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This Privacy Policy explains how we collect, use, retain, and protect your personal information when you visit this website, submit an inquiry, upload attachments, or use its features.","privacyControllerTitle":"1. Data controller","privacyControllerLabel":"Data controller:","privacyAddressLabel":"Address:","privacyEmailLabel":"Privacy inquiries:","privacyPhoneLabel":"Phone:","privacyContactNote":"If you have questions about this Privacy Policy or how we handle personal information, please contact us through the details above.","privacyDataTitle":"2. Data we collect","privacyDataProvidedTitle":"2.1 Information you provide","privacyDataProvidedIntro":"When you submit a contact form, inquiry, or technical question, we may collect:","privacyDataName":"Your name;","privacyDataCompany":"Your company name;","privacyDataEmail":"Your email address;","privacyDataPhone":"Your phone number;","privacyDataRequest":"Your inquiry, message, and technical requirements; and","privacyDataAttachments":"Drawings, files, or other attachments you choose to upload.","privacySensitiveDataWarning":"Please do not upload sensitive personal information that is not needed for your inquiry.","privacyAutoInfoTitle":"2.2 Automatically generated information","privacyAutoInfoIntro":"When you visit this website, our servers or website systems may record:","privacyAutoInfoIp":"Your IP address;","privacyAutoInfoBrowser":"Browser and device type;","privacyAutoInfoAccessTime":"Date and time of access;","privacyAutoInfoPageLogs":"Page addresses and basic activity logs; and","privacyAutoInfoSecurity":"Information needed to secure the website and troubleshoot problems.","privacyAutoInfoConfigNote":"The information actually collected depends on the configuration of our hosting, security, and website management systems.","privacyCookieAnalyticsTitle":"2.3 Cookies and analytics information","privacyCookieConsentBefore":"This website uses strictly necessary cookies to","privacyCookieConsentAfter":"record your privacy choices for approximately 182 days.","privacyAnalyticsStorageIntro":"After you consent, this website may use first-party analytics storage, including:","privacyAnalyticsUsage":"Page address, page name, device type, language, visit count, and time spent on the page.","privacyAnalyticsAccessNumber":"accessNumber; and","privacyAnalyticsDetails":"Analytics are off by default. 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Children","privacyChildrenDescription":"This website is primarily intended for business customers and professional users. We do not knowingly collect personal information from children. If you believe a child has provided us with personal information, please contact us so we can take appropriate steps to delete it.","privacyChangesTitle":"9. Changes to this policy","privacyChangesDescription":"We may update this Privacy Policy when our website features, service providers, or legal requirements change. The updated version will be published on this page with a revised Last updated date.","headerM001":"English","headerM002":"English","header001":"English","header002":"Contact us","footer001":"Technical support: Global Marketing","footer002":"Sitemap","online":"Online","sidefixedGreeting":"Hello!","sidefixedCloseWhatsapp":"Close WhatsApp","sidefixedCloseemail":"Close email window","sidefixedHelpPrompt":"Need help? Contact us on WhatsApp","sidefixedSalesManager":"Sales manager","sidefixedSalesName":"Lei Zhang","sidefixedQuickQuoteByEmail":"Get a quick quote now! Send us an email","sidefixedAvatarPrompt":"Click the avatar to start a conversation","sidefixedCopySuccess":"Copied successfully","sidefixedSendEmail":"Send email","sidefixedEmailReplyTime":"We will reply within 24 hours after receiving your email","sidefixedSendImmediately":"Click to send now","sidefixedLanguageEnglish":"English","sidefixedCopyPhone":"Copy phone number","sidefixedCopyEmail":"Copy email","sidefixedContactMethods":"Contact methods","sidefixedBackToTop":"Back to top","email":"Email","successTitle":"Message sent","successMessage":"Your message was submitted successfully. We will contact you shortly!","successRemaining":"Returning in","successSeconds":"seconds","successReturn":"Return now","regionDefaultCountry":"China","regionSelect":"Select Region","regionPickerTitle":"Select a country or region","regionSearchPlaceholder":"Search countries/regions","regionTipTitle":"The language for this region is not your local language,","regionTipDescription":"Based on your location, we recommend the language version that suits you best.","navSearch":"Search","searchConsultTitle":"Search products and news","searchConsultPlaceholder":"Enter a keyword","searchSubmit":"Search","searchResultsLabel":"Search results","searchInitialPrompt":"Enter a keyword to start searching","searchNoResults":"No relevant content found","productGeneric":"Product","commonArticle":"Article","info010":"View article","aboutText001":"About us","aboutText002":"Bonchun is committed to bringing Chinese environmental equipment and technology to global markets under the vision of global technology and green win-win growth. We continue to advance product innovation and upgrades, guided by customer needs and supported by reliable products, professional service, and long-term technical support. Together with our partners, we promote green industry and green manufacturing for coordinated economic growth and environmental protection, building a clean, low-carbon, and sustainable future.","aboutText003":"Corporate culture","aboutText004":"Rooted in purpose, trusted for the long term","aboutText005":"The name Bonchun reflects the idea of returning to the original and staying true to our principles. We remain committed to the fundamentals of the industry and honest business practices, guided by integrity, quality, and win-win cooperation while focusing on industrial environmental innovation.","aboutText006":"Integrity first","aboutText007":"Integrity is the foundation of our business. We keep our promises and build lasting trust with customers, partners, and employees.","aboutText008":"Quality first","aboutText009":"Quality is the foundation of sustainable growth. Through strict standards and lean management, we keep design, manufacturing, and service reliable and deliver environmental solutions customers can trust.","aboutText010":"Win-win cooperation","aboutText011":"Long-term value comes from growing together. We work with customers and suppliers, share resources, and pursue sustainable development.","aboutText012":"Our vision","aboutText013":"To become a trusted global provider of Chinese industrial environmental equipment and solutions.","aboutText014":"Social responsibility","aboutText015":"Global technology, green growth","aboutText016":"Bonchun is committed to bringing Chinese environmental equipment manufacturing capabilities and technology to global markets, providing efficient and reliable environmental solutions for countries and regions worldwide and advancing the green industry together.","aboutText017":"Advancing green development","aboutText018":"As a participant in the environmental sector, we continue to advance environmental technology and product upgrades, helping customers improve pollution-control efficiency, reduce energy use, and increase resource utilization while contributing to environmental protection and sustainable development.","aboutText019":"Our responsibility to customers","aboutText020":"We are always guided by customer needs. We provide safe and reliable products, professional and efficient service, and stable long-term technical support, creating value with a responsible approach.","aboutText021":"Building a sustainable future together","aboutText022":"Bonchun works with customers, partners, and industry colleagues to advance green manufacturing and environmental industries. We seek coordinated economic and environmental gains and contribute to a cleaner, low-carbon, and sustainable future.","blogDetailText001":"News list","blogDetailText002":"Views:","blogDetailText003":"Frequently asked questions related to this article.","blogText001":"related news items","blogText002":"Search news","blogText003":"No matching news found.","blogText004":"News pagination","caseText001":"Chloride-containing highly corrosive exhaust gas treatment project","caseText002":"Project overview:","caseText003":"The client is a pharmaceutical company in Shijiazhuang, Hebei, operating in the pharmaceutical and chemical industry. It needed to treat highly corrosive exhaust gas containing chloride ions and dichloromethane. Organic gas concentration fluctuated significantly, with an outlet requirement of ≤50 mg/m³. The complete system combines alkaline spray washing, absorption, distillation, and resin adsorption. Resin steam desorption extends corrosion protection service life to 8-10 years while recovering organic solvents during gas treatment.","caseText004":"Acid mist and ammonia exhaust purification project","caseText005":"The client is an electronic materials manufacturer in Jiangsu. It needed to treat acidic mist from reaction vessels and ammonia exhaust from the workshop. The gas was released intermittently at high temperature and required explosion protection. The project uses multi-stage spray scrubbers, explosion-proof corrosion-resistant fans, and online monitoring. Multi-stage counter-current spraying with online pH/TDS monitoring improves the workshop environment and keeps odor levels compliant.","caseText006":"Water-soluble and oil-soluble organic solvent separation and purification project","caseText007":"The client is a pharmaceutical and fine-chemical company in Cangzhou, Hebei. The project developed multiple distillation systems for separating and purifying mixed water-soluble and oil-soluble organic solvents and for batch production of multiple solvents. Solvent purity reaches 98% or above 99%, enabling resource recovery and reuse.","caseText008":"Biological deodorization project with wastewater tank cover","caseText009":"The client is a wastewater treatment plant in an industrial park in Jiangxi, serving the municipal wastewater sector. It needed to treat fugitive hydrogen sulfide and ammonia odors from wastewater tanks. The equipment is designed for humid outdoor conditions and includes sealed covers, a spray tower, a biological deodorization unit, and a corrosion-resistant fan. Modular sealed collection and biodegradation keep chemical consumption low, resist weathering and aging, and solve odor nuisance around the plant.","caseText010":"Multi-unit VOC exhaust gas treatment project","caseText011":"The client is a listed biotechnology company in Tianjin. The project involved a Class A explosion-proof pilot and research environment with large airflow differences between workshops and complex gas compositions. Multiple independent modular treatment units use water or alkaline spraying plus activated-carbon adsorption. The modular control system and full explosion-proof configuration suit changing research conditions, while reserved environmental testing and sampling ports simplify inspection and acceptance.","commonText001":"Total","commonText002":"Absorption tower","commonText003":"Activated-carbon adsorption tank","commonText004":"After-sales operation and maintenance","commonText005":"Distributor services","commonText006":"Bonchun has a professional team with deep experience in environmental protection, machinery, technology, project management, and international trade.","commonText007":"Bonchun focuses on industrial environmental protection and resource recovery, providing a complete product range and system solutions. Our business covers VOC exhaust treatment, dust removal, waste-heat recovery, utility systems, and separation and purification equipment. Core products include spray towers, activated-carbon adsorption units, biological deodorization equipment, bag filters, heat exchangers, and distillation towers. We can customize standalone equipment, modular systems, and complete environmental engineering solutions for specific conditions.","commonText008":"Biological deodorization tank","commonText009":"Book a consultation now","commonText010":"Brand growth support","commonText011":"Brand-owner services","commonText012":"Branded production management","commonText013":"Channel and marketing support","commonText014":"Chris Lebon","commonText015":"Chris Lebon, founder and general manager, leads strategic development across the Asia-Pacific region. With extensive experience in industrial exhaust treatment, he is committed to building a world-class environmental company guided by value and sound business practices.","commonText016":"Complete equipment and project delivery","commonText017":"Core product range","commonText018":"Custom export packaging","commonText019":"Requirement customization","commonText020":"Details","commonText021":"End-user services","commonText022":"Export packaging","commonText023":"FAQs","commonText024":"Manufacturing and services","commonText025":"Founder and general manager","commonText026":"From product customization to project delivery, we provide professional, efficient, one-stop environmental services for brand owners, distributors, and end users.","commonText027":"Full-lifecycle technical service","commonText028":"End-to-end customer service system","commonText029":"Installation and commissioning","commonText030":"We integrate industrial exhaust treatment equipment, engineering execution, logistics delivery, and customer management to provide reliable solutions for global projects.","commonText031":"Long-term after-sales support","commonText032":"Market and product-selection support","commonText033":"Market coverage and international business","commonText034":"New-energy lithium battery materials","commonText035":"Next page","commonText036":"Next product","commonText037":"OEM customization","commonText038":"OEM/ODM custom development","commonText039":"Get your tailored solution","commonText040":"Process-condition customization","commonText041":"Our solutions","commonText042":"Our experts are ready to provide a tailored solution","commonText043":"Our expertise","commonText044":"Pharmaceuticals and fine chemicals","commonText045":"Precision design","commonText046":"Precision manufacturing","commonText047":"Previous page","commonText048":"Previous product","commonText049":"Request a quote","commonText050":"Products","commonText051":"Product upgrade support","commonText052":"Professional team and service system","commonText053":"Search","commonText054":"Related articles","commonText055":"Related products","commonText056":"Supported by an established supply chain and international trade team, our products are sold across Asia, the Middle East, Africa, Europe, and South America and comply with local environmental standards.","commonText057":"Sales and technical training","commonText058":"Shijiazhuang Bonchun Trading Co., Ltd. is based in Shijiazhuang, Hebei, and focuses on exporting industrial environmental equipment and engineering solutions. We combine R&D, manufacturing, international trade, and technical service to provide compliant, reliable one-stop environmental system solutions worldwide. With honest business practices and skilled manufacturing, backed by a complete production system, strict quality control, and extensive project experience, we provide standalone equipment, modular equipment, and complete engineering services.","commonText059":"Spray tower","commonText060":"Reliable supply","commonText061":"Stainless-steel spray tower","commonText062":"Standardized manufacturing","commonText063":"Technical support","commonText064":"We focus on environmental protection, specializing in exhaust treatment, dust removal, waste-heat recovery, and solvent separation and purification projects.","commonText065":"Products you may be interested in","commonText066":"Through counter-current gas-liquid contact, the spray tower efficiently removes acidic and alkaline gases, water-soluble pollutants, and dust.","commonText067":"Upload drawings/files","commonText068":"View details","commonText069":"We could not find what you need. Please contact our team.","commonText070":"WhatsApp","commonText071":"How it works","commonText072":"Process analysis and tailored solution","commonText073":"Biopharmaceuticals","commonText074":"Files","commonText075":"Industry cases","commonText076":"Industry experience","commonText077":"Industry challenges","commonText078":"Municipal wastewater","commonText079":"News","commonText080":"Pharmaceuticals and chemicals","commonText081":"Solutions","commonText082":"Submit","commonText083":"Team","commonText084":"China | English","contactCommonText001":"Phone","contactCommonText002":"Email","contactCommonText003":"WeChat","contactCommonText004":"WhatsApp QR code","contactCommonText005":"WeChat QR code","contactCommonText006":"Contact us","contactCommonText007":"If you have questions or need help, contact our team for dedicated support.","contactCommonText008":"We look forward to hearing from you","contactCommonText009":"Name","contactCommonText010":"Email","contactCommonText011":"Phone","contactCommonText012":"Message","contactCommonText013":"Submit","cookieText001":"Cookie","faqText001":"related FAQs","faqText002":"Search FAQs","faqText003":"No matching FAQs found.","faqText004":"FAQ pagination","fileText001":"files","fileText002":"Search files","fileText003":"Requirement coordination and process analysis....pdf","fileText004":"227.7 MB","fileText005":"No matching files found.","footerText001":"Navigation","footerText002":"Cookie List","footerText003":"Privacy Policy","footerText004":"Technical support: Global Marketing","footerText005":"Sitemap","footerText006":"Copyright &copy;","headerText001":"Global","headerText002":"Global","headerText003":"Industrial exhaust treatment equipment","headerText004":"About us","headerText005":"Chloride-containing corrosive exhaust treatment solutions","headerText006":"Cases","headerText007":"Services","headerText008":"Content","headerText009":"Get a quote","indexText001":"Efficient industrial exhaust treatment for factories worldwide","indexText002":"Previous product","indexText003":"Next product","indexText004":"More","indexText005":"Process flow","indexText006":"Step 2 Step 3 Step 4 Step 5","indexText007":"Identify pollution sources","indexText008":"Understand where exhaust gas is generated.","indexText009":"Analyze the production process, pollutants, emission concentrations, and site conditions to support the solution design.","indexText010":"Step 1","indexText011":"Step 3 Step 4 Step 5","indexText012":"Efficient exhaust collection","indexText013":"Reduce fugitive dispersion and feed the treatment system steadily.","indexText014":"Collection hoods, enclosures, and ductwork gather polluted exhaust and deliver it to the purification equipment.","indexText015":"Step 1 Step 2","indexText016":"Step 4 Step 5","indexText017":"Multi-stage pretreatment","indexText018":"Remove interfering components first to protect the core equipment.","indexText019":"Cool, filter, dehumidify, and demist high-temperature gas, dust, oil mist, and water mist.","indexText020":"Step 1 Step 2 Step 3","indexText021":"Step 5","indexText022":"Core-process purification","indexText023":"Select the right treatment technology for the pollutants.","indexText024":"Remove pollutants through spray absorption, activated-carbon adsorption, biological deodorization, bag filtration, catalytic oxidation, and other processes.","indexText025":"Step 1 Step 2 Step 3 Step 4","indexText026":"Advanced treatment and compliant discharge","indexText027":"Monitor continuously to ensure stable compliance.","indexText028":"Discharge through fans, stacks, and monitoring systems, with operation, maintenance, and performance testing carried out as required.","indexText029":"Exhaust treatment","indexText030":"Customized industrial exhaust treatment systems provide one-stop purification for dust, acidic and alkaline gases, and VOCs while meeting environmental emission standards in different countries.","indexText031":"Learn more","indexText032":"Dust removal","indexText033":"Who we are","indexText034":"Answers to common questions about exhaust treatment solutions, engineering, and equipment.","indexText035":"FAQ categories","productDetailText001":"Breadcrumb navigation","productDetailText002":"Home","productDetailText003":"Product details","productDetailText004":"Filtration efficiency","productDetailText005":"≤10 mg/m³","productDetailText006":"Outlet concentration","productDetailText007":"OEM","productDetailText008":"Customized for your process conditions","productDetailText009":"Get a tailored solution","productDetailText010":"Filter bag material","productDetailText011":"Filtration area","productDetailText012":"Dimensions","productDetailText013":"OEM customization","prosText001":"We provide integrated industrial equipment for VOC treatment, dust control, waste-heat recovery, and material purification.","prosText002":"Product categories","prosText003":"No products available.","serviceText001":"Our services cover the entire country","serviceText002":"Requirement discussion and process analysis","serviceText003":"The customer provides basic information such as project requirements, process flow, medium, treatment airflow, emission standards, and site conditions. The Bonchun technical team evaluates the requirements and analyzes the actual process conditions to define a practical solution direction.","serviceText004":"Solution design and equipment selection","serviceText005":"Based on customer needs and site conditions, we provide equipment-selection advice, process-flow design, system configuration, and technical parameters. For special conditions or customized projects, we also provide tailored designs and technical optimization.","serviceText006":"Solution confirmation and commercial quotation","serviceText007":"After both parties confirm the technical solution, product configuration, delivery schedule, and commercial terms, we provide formal quotation, technical, and contract documents so that project requirements and cooperation terms are clear and transparent.","serviceText008":"Production and quality inspection","serviceText009":"Once the project starts production, we manufacture strictly according to technical standards and quality-management procedures. Before shipment, we complete performance testing, quality inspection, and document preparation to ensure the product meets design and delivery requirements.","serviceText010":"Packaging, transport, and export delivery","serviceText011":"We provide professional packaging based on the equipment and transport requirements and arrange international logistics. Packing lists, commercial invoices, technical documents, and necessary export documents are provided to ensure safe and efficient delivery to the customer's designated location.","serviceText012":"Installation, commissioning, and technical guidance","serviceText013":"After the equipment arrives on site, we provide installation guidance, commissioning support, and operator training. Remote meetings, video guidance, and technical documents help the customer complete project startup smoothly.","serviceText014":"Long-term after-sales and ongoing service","serviceText015":"After delivery, we continue to provide technical support, spare parts, maintenance guidance, and equipment upgrades, helping customers keep the equipment stable over the long term and continue realizing project value.","serviceText016":"After-sales service","serviceText017":"Professional technical support","serviceText018":"The Bonchun technical team responds quickly with equipment advice, process optimization, fault diagnosis, and technical guidance to resolve issues during project operation.","serviceText019":"Remote service, installation, and commissioning","serviceText020":"Through email, WhatsApp, video, and other channels, we provide remote support worldwide. Combined with drawings and operating manuals, our guidance covers installation, parameter adjustment, and operator training to ensure smooth startup.","serviceText021":"Spare parts and operation optimization","serviceText022":"A complete spare-parts system ensures the supply of wear parts and core components, reducing downtime. We also provide regular maintenance guidance and operation-optimization plans to extend equipment life and improve management efficiency.","serviceText023":"Upgrades and rapid response","serviceText024":"We provide equipment modifications and system expansion upgrades for new processes and environmental standards. A rapid-response mechanism matches remote or dedicated technical solutions to different situations.","sidefixedText001":"Ray Zhang","solution1Text001":"Water-soluble and oil-soluble mixed exhaust treatment solution","solution1Text002":"This solution is widely suited to fine chemicals, pharmaceutical synthesis, coatings, and similar processes. It targets mixed pollutants such as water-soluble organic gases, water-soluble acidic and alkaline gases, oil-soluble VOCs, and oil mist. The gas composition is complex, concentrations fluctuate, dry and wet components are mixed, and small amounts of dust and sticky impurities may be present. Emissions are usually continuous, with high airflow and medium-to-low concentrations, making this one of the most common mixed exhaust conditions in industry.","solution1Text003":"Complex mixed exhaust makes stable compliance difficult","solution1Text004":"Water-soluble and oil-soluble exhaust exist together","solution1Text005":"A single water-washing or adsorption process cannot fully purify and deodorize the gas","solution1Text006":"Difficult to meet strict environmental standards in Europe, the United States, and Southeast Asia","solution1Text007":"Easy to clog, poorly adaptable, and costly to operate","solution1Text008":"Oil mist and sticky pollutants clog the adsorbent, causing activated carbon to fail quickly and require frequent replacement","solution1Text009":"Standard equipment cannot adapt to fluctuating exhaust concentrations","solution1Text010":"Treatment efficiency falls, equipment fails, and production may be interrupted","solution1Text011":"Organic solvents cannot be recovered, causing major resource waste","solution1Text012":"The exhaust contains recoverable organic solvents","solution1Text013":"Traditional destruction processes cannot recycle resources","solution1Text014":"High raw-material losses increase production costs","solution1Text015":"For water-soluble and oil-soluble mixed exhaust, we use an integrated process of spray pretreatment, absorption and concentration, distillation purification, deep adsorption, and desorption regeneration.","solution1Text016":"The core equipment includes a spray tower, absorption tower, distillation tower, activated-carbon adsorption tank with steam desorption, and induced draft fan.","solution1Text017":"The multi-stage process first removes water-soluble impurities, dust, and oil mist, then absorbs and concentrates organic components. Distillation purifies and recovers solvents, while final deep adsorption ensures compliant emissions. The process combines compliant exhaust treatment with resource recovery and reuse for overseas plants with continuous production and high environmental standards.","solution1Text018":"Process flow for water-soluble and oil-soluble mixed exhaust treatment","solution1Text019":"Preliminary survey","solution1Text020":"Collect operating data such as airflow, concentration, composition, and temperature from overseas customers. Combine site dimensions and local emission standards to develop a tailored solution.","solution1Text021":"Design and drawings","solution1Text022":"Professional engineers use CAD and 3D modeling to prepare equipment, process-flow, and installation drawings that meet overseas installation standards.","solution1Text023":"Production and manufacturing","solution1Text024":"Use CNC cutting and integrated winding or welding. Perform non-destructive weld testing and install packing and accessories to standardized specifications. Complete hydrostatic, airtightness, and pressure-drop tests before shipment.","solution1Text025":"Standardized packaging","solution1Text026":"Use fumigated solid-wood export packaging with moisture, shock, and corrosion protection for long-distance sea and air transport.","solution1Text027":"Provide remote installation guidance or on-site installation and commissioning overseas, including equipment connection, parameter adjustment, and trial operation.","solution1Text028":"Provide a one-year warranty, remote troubleshooting, regular maintenance guidance, and consumable replacement, with support for local after-sales coordination overseas.","solution1Text029":"Can the treated mixed exhaust meet European and American emission standards?","solution1Text030":"Through staged purification and advanced treatment, the complete process can continuously control VOCs, acidic and alkaline pollutants, and particulate matter within international limits. It meets environmental requirements in the EU, Southeast Asia, the Middle East, and other regions, with test reports available.","solution1Text031":"Will frequent desorption shorten activated-carbon life?","solution1Text032":"Steam desorption uses controlled temperature and thorough regeneration. Under normal conditions, activated carbon can be reused for 1-5 years, greatly reducing consumable replacement costs.","solution1Text033":"Does the equipment require a large footprint, and can it fit a small factory?","solution1Text034":"The equipment supports modular customization and compact layouts. Its size can be adjusted to the customer's site and is suitable for large, medium, and small production facilities.","solution1Text035":"What is the purity of recovered distillation solvent, and can it be reused directly?","solution1Text036":"Multi-stage distillation can raise recovered solvent purity above 95%. The solvent can return directly to the production line for reuse, reducing raw-material purchasing costs.","solution2Text001":"Chloride-containing corrosive exhaust treatment solution","solution2Text002":"This solution is suited to electroplating, metallurgy, chlor-alkali chemicals, pharmaceuticals, new-energy materials, and other industries. It targets highly corrosive exhaust containing chloride ions, hydrogen chloride, chlorobenzene, and chlorinated hydrocarbons. The gas is strongly acidic, highly corrosive, volatile, relatively simple in composition but extremely destructive, usually continuous, and humid, placing very high demands on equipment corrosion resistance.","solution2Text003":"Extremely corrosive","solution2Text004":"Chloride-containing exhaust can severely corrode ordinary carbon-steel and stainless-steel equipment, causing perforation, aging, and damage. Short service life and frequent replacement increase operating costs.","solution2Text005":"Difficult to treat","solution2Text006":"Ordinary spray scrubbing cannot completely remove trace chlorinated organic gases, while a single adsorption process can corrode and fail. Odors and residual pollutants are difficult to keep compliant.","solution2Text007":"Multiple operation and maintenance risks","solution2Text008":"Traditional equipment has limited corrosion protection. Long-term operation can cause pipe corrosion, leaks, and exhaust escape, creating safety risks and polluting the plant environment.","solution2Text009":"Because chloride exhaust is highly corrosive and difficult to purify completely, we use a dedicated process of wet pretreatment, resin adsorption, and vacuum desorption regeneration.","solution2Text010":"The core equipment includes a spray tower, resin adsorption tank with vacuum desorption, and corrosion-resistant fan.","solution2Text011":"The spray tower first removes most inorganic chlorine pollutants. Resin then selectively adsorbs chloride components and is regenerated through low-temperature vacuum desorption. This delivers compliant treatment, long equipment life, and adsorbent reuse, making it suitable for highly corrosive industrial conditions overseas.","solution2Text012":"Process flow for chloride-containing corrosive exhaust treatment","solution2Text013":"Collect chloride concentration, airflow, temperature, and composition data, then customize corrosion-resistant processes and equipment specifications according to local environmental standards.","solution2Text014":"Enhanced corrosion-resistant design","solution2Text015":"Optimize the equipment structure for chlorine corrosion and strengthen protection at welds, connections, and seals to eliminate weak points.","solution2Text016":"Use integrated forming and refined manufacturing. Complete negative-pressure, airtightness, and corrosion-resistance tests before shipment.","solution2Text017":"Use fumigated solid-wood packaging with moisture and rust protection for long-distance sea transport.","solution2Text018":"Provide remote guidance or on-site installation overseas. Adjust equipment pressure, desorption parameters, and spray flow to ensure stable compliant emissions.","solution2Text019":"Provide free repairs during the warranty period, resin regeneration maintenance, equipment corrosion inspections, and dedicated technical support for overseas customers.","solution2Text020":"Will chloride exhaust corrode the entire equipment system?","solution2Text021":"The complete system uses corrosion-resistant components, including 316 or 2205 tower bodies and adsorption tanks, corrosion-resistant fans, and piping. It is designed specifically for chlorine corrosion and can achieve a normal service life of 8-10 years.","solution2Text022":"Does the resin adsorbent need frequent replacement?","solution2Text023":"The resin can be repeatedly regenerated by vacuum desorption. Under normal conditions, its service life is 3-5 years, so frequent replacement is unnecessary and maintenance costs remain low.","solution2Text024":"Can the equipment treat high-concentration chloride exhaust?","solution2Text025":"Multi-stage adsorption and spray scrubbing can be customized to the gas concentration, covering both high- and low-concentration chloride exhaust while maintaining treatment efficiency above 98%.","solution2Text026":"How safe is the vacuum desorption process?","solution2Text027":"Low-temperature vacuum desorption avoids high-temperature and high-pressure risks. Explosion protection, pressure relief, and alarm systems ensure safe and stable operation in line with international industrial safety standards.","solution3Text001":"Wastewater tank exhaust collection and deodorization solution","solution3Text002":"This solution is suited to municipal wastewater plants, industrial wastewater stations, chemical wastewater tanks, aquaculture wastewater tanks, slaughterhouse wastewater tanks, and similar sites. It treats fugitive hydrogen sulfide, ammonia, methanethiol, VOCs, and odor gases. These emissions are diffuse, strong-smelling, humid, complex, and continuously released, easily spreading odors around the plant, exceeding local limits, and worsening working conditions.","solution3Text003":"Diffuse emissions are difficult to collect","solution3Text004":"Traditional wastewater tanks lack sealed structures, allowing gas to escape freely","solution3Text005":"Odors spread widely and are difficult to collect centrally","solution3Text006":"Difficult to pass environmental acceptance","solution3Text007":"Insufficient deodorization and poor adaptability","solution3Text008":"A single deodorization unit cannot handle humid, complex odor gases","solution3Text009":"Odors are not fully removed and return strongly in hot weather","solution3Text010":"Corrosion and clogging increase maintenance costs","solution3Text011":"Humid corrosive gas can corrode and clog ordinary equipment","solution3Text012":"Frequent consumable replacement and high energy use","solution3Text013":"Heavy manual maintenance creates high long-term costs","solution3Text014":"For wastewater tank exhaust with diffuse emissions, high humidity, strong odors, and corrosiveness, we provide an integrated solution of sealed collection, wet pretreatment, and biological deodorization.","solution3Text015":"The core equipment includes sealed wastewater tank covers, a spray tower, biological deodorization equipment, and an induced draft fan.","solution3Text016":"The sealed cover collects exhaust completely and prevents fugitive release. Spray pretreatment removes dust, corrosive impurities, and some odor components. Microorganisms then deeply degrade odor pollutants for efficient deodorization, stable long-term operation, and low energy use.","solution3Text017":"Process flow for wastewater tank exhaust collection and deodorization","solution3Text018":"Site survey","solution3Text019":"Measure the wastewater tank size and shape, assess site conditions, confirm gas concentration and required airflow, and customize the sealing and treatment solution.","solution3Text020":"Modular design","solution3Text021":"Use customized modular covers and integrated equipment for different wastewater tank conditions to simplify transport, installation, and later maintenance.","solution3Text022":"Covers are molded as integrated units. Equipment is CNC-machined with enhanced corrosion protection. Airtightness, pressure-drop, and deodorization-efficiency tests are completed before shipment.","solution3Text023":"Export packaging and transport","solution3Text024":"Use moisture- and shock-resistant packaging and ship modules separately to reduce sea freight costs.","solution3Text025":"On-site installation and commissioning","solution3Text026":"Assemble and install the covers on site, connect the equipment piping, and adjust airflow, spray flow, and microbial culture maintenance parameters.","solution3Text027":"Operation and maintenance service","solution3Text028":"Provide regular culture replenishment, equipment cleaning, and cover inspection and repair, with full technical support during the warranty period.","solution3Text029":"Will the sealed cover collect water or become damaged?","solution3Text030":"The cover can use an arched design with drainage slopes to prevent standing water. FRP or PP materials resist impact and aging, with outdoor warranties of more than 10 years and low risk of damage or deformation.","solution3Text031":"Does biological deodorization require frequent culture replacement?","solution3Text032":"Specialized deodorizing microorganisms reproduce naturally. Under normal conditions, only a small periodic replenishment is needed, so frequent replacement is unnecessary and maintenance costs remain low.","solution3Text033":"Will rain, snow, or hot weather affect deodorization?","solution3Text034":"The system is designed for outdoor heat, cold, rain, and snow. Sealed collection is not affected by weather, and stable culture conditions keep deodorization continuously compliant.","solution3Text035":"Is the equipment noisy, and will it affect the plant environment?","solution3Text036":"The system uses a low-noise corrosion-resistant fan and integrated noise reduction. Operating noise is low, making it suitable for production and office areas.","solution4Text001":"Finned heat exchanger exhaust treatment application","solution4Text002":"The finned heat exchanger is a core supporting heat-transfer unit in exhaust treatment systems. It suits high-temperature or high-humidity industrial exhaust, solvent-containing gas, desorption regeneration gas, distillation tail gas, and similar conditions. It can support steam desorption of activated carbon, distillation recovery, exhaust cooling, condensation recovery, and waste-heat reuse. It covers most treatment scenarios in chemicals, pharmaceuticals, coatings, printing, and new-energy industries and is important for resource recovery and stable equipment operation.","solution4Text003":"High-temperature gas threatens downstream equipment","solution4Text004":"Industrial exhaust and desorption tail gas can be very hot","solution4Text005":"Direct entry into adsorption and deodorization units can ruin consumables and deform equipment","solution4Text006":"Exhaust treatment efficiency declines","solution4Text007":"Waste heat is lost and energy costs rise","solution4Text008":"High-temperature exhaust carries substantial waste heat","solution4Text009":"It is discharged directly without heat recovery","solution4Text010":"Factory energy consumption increases","solution4Text011":"Standard heat exchangers adapt poorly to process conditions","solution4Text012":"They scale and clog easily and have weak corrosion resistance","solution4Text013":"Impurities and corrosive components can damage the equipment","solution4Text014":"Heat-transfer efficiency falls quickly","solution4Text015":"Process matching","solution4Text016":"Based on exhaust temperature, composition, airflow, and heat-transfer requirements, we customize heat-exchanger specifications, heat-transfer area, and medium type.","solution4Text017":"Use 3D modeling to optimize fin spacing and piping layout, improving heat transfer while preventing dust accumulation and clogging.","solution4Text018":"Precision manufacturing","solution4Text019":"Use CNC tube bending, seamless welding, and mechanical tube expansion so fins fit tightly against the tube wall without gaps. Complete pressure, heat-transfer-efficiency, and airtightness tests before shipment.","solution4Text020":"Use customized rust-, moisture-, and shock-resistant packaging suitable for sea transport.","solution4Text021":"Connect the heat exchanger to the complete exhaust treatment system and adjust temperature-control parameters and circulation flow to achieve the required heat transfer, condensation, and waste-heat recovery.","solution4Text022":"Provide regular cleaning, descaling, and inspection, with free repair of faults during the warranty period.","solution4Text023":"Are finned heat exchangers prone to dust accumulation and clogging?","solution4Text024":"Wide-pitch corrugated fins and smooth tube walls resist scaling. A removable cleaning structure allows impurities to be cleared quickly and maintains stable heat-transfer efficiency over long-term use.","solution4Text025":"Can the heat exchanger handle high-temperature, highly corrosive exhaust?","solution4Text026":"316L or 2205 stainless-steel versions can handle strong acids, strong alkalis, and high-temperature corrosive exhaust. The fully corrosion-resistant structure supports long-term operation.","solution4Text027":"How efficient is the heat transfer, and are the energy savings significant?","solution4Text028":"A customized high-efficiency heat-transfer structure can achieve more than 95% efficiency and greatly reduce downstream equipment losses. Waste-heat reuse can cut production energy use by more than 30%.","solution4Text029":"Can equipment size and operating parameters be customized?","solution4Text030":"Full-range customization is supported. We independently design and manufacture the equipment according to airflow, temperature, available space, and recovery requirements.","solution5Text001":"Industrial supporting fire-water tank solution","solution5Text002":"Our industrial fire-water tanks suit exhaust-treatment workshops, chemical plants, industrial buildings, warehouse parks, municipal supporting projects, and similar sites. They are designed for industrial environmental equipment production lines. Exhaust-treatment equipment often contains flammable materials such as organic solvents and activated carbon, making these key fire-safety areas. The tanks provide fire storage, emergency firefighting, equipment cooling, and makeup water for spray systems while meeting industrial fire-compliance requirements at home and abroad.","solution5Text003":"Difficult to meet overseas fire-compliance requirements","solution5Text004":"Overseas industrial fire codes are strict","solution5Text005":"Basic tanks lack storage capacity and use non-compliant materials","solution5Text006":"Unable to pass fire-safety acceptance","solution5Text007":"Insufficient material reliability and limited functions","solution5Text008":"Steel or plastic tanks can corrode, leak, and age, creating a high failure risk during emergencies","solution5Text009":"Traditional tanks only store water and lack pressure stabilization, makeup water, and warning functions","solution5Text010":"Unable to meet spray, cooling, and emergency firefighting needs at the same time","solution5Text011":"Poor installation adaptability and leakage risk","solution5Text012":"Non-standard tank dimensions are irregular and difficult to fit into limited site space","solution5Text013":"Poor assembly quality","solution5Text014":"Prone to leakage and deformation","solution5Text015":"For critical fire-safety needs in industrial sites, especially exhaust-treatment workshops, we provide an integrated solution combining standardized fire-water storage, emergency pressure stabilization, intelligent water makeup, and long-term corrosion protection.","solution5Text016":"Customized for industrial environmental applications, the product meets domestic and international fire codes and works with various exhaust-treatment equipment. It provides emergency firefighting, equipment spray makeup water, and system pressure stabilization.","solution5Text017":"The solution is structurally strong, corrosion-resistant, durable, and intelligently maintained, helping companies pass overseas fire-compliance acceptance.","solution5Text018":"Made to order","solution5Text019":"Customize tank specifications according to the customer's plant fire code, site dimensions, required storage volume, and supporting equipment.","solution5Text020":"CNC stamping and integrated forming create the tank panels, followed by precision finishing to remove burrs and deformation. Accessories are selected according to standardized specifications.","solution5Text021":"Assembly and testing","solution5Text022":"Complete module trial assembly, hydrostatic testing, leak detection, and intelligent-system commissioning before shipment to ensure no leakage and stable operation.","solution5Text023":"Package modules separately with fumigated solid-wood protection for sea transport and reduced shipping damage.","solution5Text024":"On-site installation","solution5Text025":"Quickly assemble the modular tank on site, connect it to the fire system and the makeup-water system for exhaust equipment, and commission the intelligent operation and maintenance functions.","solution5Text026":"Acceptance and after-sales support","solution5Text027":"Assist customers with fire-compliance acceptance and provide lifetime maintenance, spare-parts replacement, and system upgrade services.","solution5Text028":"Does the tank meet overseas industrial fire standards?","solution5Text029":"The product is manufactured strictly according to international industrial fire codes. Its materials, storage volume, and pressure-stabilization performance meet relevant standards. Complete qualification documents can be provided to support acceptance.","solution5Text030":"How long will the tank last, and will it leak?","solution5Text031":"A 304 stainless-steel tank can last more than 15 years under normal use. Precision modular assembly and double sealing prevent leakage.","solution5Text032":"Is the tank suitable for outdoor installation?","solution5Text033":"The tank resists UV exposure, aging, wind, and rain. Its dedicated outdoor corrosion-resistant design supports long-term open-air use.","solution5Text034":"Does the intelligent system support remote monitoring?","solution5Text035":"Optional IoT remote monitoring provides real-time water-level, water-pressure, and operating-status views, with remote alarms and control.","solution6Text001":"Distillation tower resource-recovery solution","solution6Text002":"This distillation tower is a core resource-recovery unit in exhaust treatment systems. It suits fine chemicals, pharmaceuticals, coatings, inks, organic-solvent production, and other industries. It can process exhaust absorption liquid, mixed organic waste liquid, and solvent-containing tail-gas condensate. The equipment separates mixed solvent liquid generated during exhaust treatment by exploiting differences in boiling points, purifying, recovering, and reusing waste solvents in medium- and high-concentration organic exhaust applications.","solution6Text003":"Waste-liquid recovery is difficult and hazardous-waste disposal is costly","solution6Text004":"Mixed waste liquid after exhaust absorption is difficult to separate and purify","solution6Text005":"It can only be handled as hazardous waste","solution6Text006":"Organic solvents are wasted and disposal costs are high","solution6Text007":"Low purification accuracy and poor equipment adaptability","solution6Text008":"Traditional distillation produces low-purity solvent that cannot be reused directly","solution6Text009":"General distillation equipment has weak corrosion resistance, scales easily, and consumes much energy","solution6Text010":"Difficult to operate steadily with complex mixed-solvent conditions","solution6Text011":"Low automation and high labor costs","solution6Text012":"Traditional equipment depends on manual operation","solution6Text013":"Inaccurate parameter control makes purification efficiency unstable","solution6Text014":"High labor input","solution6Text015":"According to solvent composition, boiling point, throughput, and purity requirements, we customize the distillation tower size, packing stages, and heating parameters.","solution6Text016":"Use 3D modeling to optimize the tower structure, packing arrangement, and reflux system, maximizing distillation efficiency and purification accuracy.","solution6Text017":"Use CNC tube rolling, seamless welding, and polishing to complete pressure, high-temperature, and airtightness tests for the tower, then install packing precisely.","solution6Text018":"Use dedicated moisture- and rust-resistant packaging and ship the equipment in sections for sea transport.","solution6Text019":"Connect the equipment to the exhaust treatment system on site, adjust temperature, pressure, and reflux parameters, and deliver it after trial production meets the requirements.","solution6Text020":"Provide operation and maintenance guidance, packing cleaning and replacement, parameter optimization, upgrades, and lifetime technical support.","solution6Text021":"What solvent purity can the distillation tower achieve?","solution6Text022":"Depending on the solvent composition, purified solvent can reach 95%-99% purity, fully meeting production-line reuse requirements and greatly reducing raw-material purchasing costs.","solution6Text023":"Is the equipment energy-intensive, and what are the operating costs?","solution6Text024":"Intelligent precision temperature control and heat reuse keep energy consumption low. Automated operation needs no continuous attendance, so long-term benefits exceed operation and maintenance costs.","solution6Text025":"Can it process mixed waste liquid containing several organic solvents?","solution6Text026":"A multi-stage distillation process can be customized according to boiling-point differences and can purify mixed organic waste liquid containing esters, alcohols, ketones, hydrocarbons, and other solvents.","solution6Text027":"Is the equipment prone to scaling and blockage?","solution6Text028":"A smooth stainless-steel tower, high-voidage structured packing, and front-end filtration help prevent blockage, while the equipment remains easy to clean and maintain.","indexText036":"Company profile and capabilities","indexText037":"Water-soluble and oil-soluble mixed exhaust treatment","indexText038":"Chloride-containing corrosive exhaust treatment","indexText039":"Wastewater tank exhaust collection and deodorization","indexText040":"Finned-tube heat exchanger exhaust treatment","indexText041":"Industrial fire-water tank system","indexText042":"Distillation tower resource recovery","prosText004":"Previous page","prosText005":"Next page","privacyPolicyText001":"Bonchun"}

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Product details

Filter cage

≥99.5%

Filtration efficiency

≤10 mg/m³

Outlet concentration

Equipment Introduction

A filter cage (dust collector skeleton) is a metal framework used inside a fabric filter dust collector to support the filter bags. It maintains the shape of the bags and ensures the effectiveness of pulse-jet cleaning. Constructed by welding longitudinal ribs and circumferential rings, the cage is treated with an anti-corrosion coating. These cages are available in single-piece or multi-section (interlocking) designs and serve as a core component of fabric filter dust collectors.

Application Areas

Comprehensive pulse-jet bag filter solutions for applications in metallurgy, construction materials, chemicals, boilers, waste incineration, woodworking, and grain processing.

Product Advantages

Welds are robust, with weld points ground smooth to prevent damage to the filter bags;
Various anti-corrosion treatments are available, suitable for operating conditions ranging from ambient temperature up to 220°C;
Available in single-section or multi-section configurations, accommodating requirements for long filter bags intended for overseas export.

Parameters and Specifications

Diameter: φ100, φ120, φ125, φ130, φ133, φ150, φ160, φ180, φ200 mm
Length: 500–8000 mm (customizable)
Longitudinal wires: 8, 10, 12, 16, 20, 24
Steel wire diameter: 3.0 mm, 3.2 mm, 3.5 mm, 4.0 mm, 5.0 mm
Horizontal ring spacing: 100 mm, 150 mm, 200 mm
Top configuration: Spring-type, flange-type, chuck-type, Venturi-type
Connection method: Plug-in, butt-joint, threaded, snap-fit

Customization details: All dimensions, anti-corrosion treatments, and structural configurations can be tailored to meet the requirements of overseas projects.

Applicable Operating Conditions (by Material Category)

Material Classification	definition	advantage	shortcoming	Applicable Operating Conditions	Inapplicable operating conditions
Cold-galvanized (electro-galvanized) filter bag cage	Electrochemical galvanizing of carbon steel, resulting in a thin zinc coating	Low cost, bright appearance; provides standard rust protection at room temperature.	The zinc coating is thin, making it prone to rusting in highly humid, corrosive environments.	Dust collection for ambient-temperature, dry dust—applicable to woodworking, grain handling, and general mining operations.	High humidity, high salt spray, corrosive flue gas, waste incineration
Hot-dip galvanized filter cage	Carbon steel immersed in molten zinc, resulting in a thick zinc-alloy layer	Superior corrosion resistance compared to cold galvanizing; moisture-resistant with a long service life.	Higher cost than cold galvanizing; potential for zinc nodules or burrs.	Standard boilers, general operating conditions in cement, metallurgical, and mining industries, and outdoor equipment	Highly corrosive flue gas containing strong acids, strong bases, high levels of chlorine, and high levels of sulfur
Epoxy-coated filter bag cage	Electrostatic epoxy resin coating on carbon steel following rust removal and phosphating	Resistant to weak acids and weak bases; smooth surface protects the filter bag; good electrical insulation properties.	Low upper temperature limit (≤120°C)	Mildly corrosive operating conditions at ambient temperature; dust removal for woodworking machinery	Operating conditions involving high-temperature flue gas, severe corrosion, and large pressure differentials
Silicone-coated filter bag cage	High-temperature resistant, anti-corrosive silicone coating for carbon steel frameworks	Withstands high temperatures of 150–220°C; commonly used in asphalt mixing plants.	Poor coating processes can lead to delamination and an inability to withstand severe corrosion.	Medium-to-high-temperature flue gas from boilers, asphalt mixing plants, and cement kiln tail ends	Flue gas characterized by strong acids, strong bases, and high chloride ion concentrations (which cause corrosion)
304 Stainless Steel Filter Bag Cage	All-304 stainless steel welding	Highly corrosion-resistant, high-temperature resistant, and long-lasting	High cost; risk of pitting corrosion in environments containing chloride ions.	Chemical, pharmaceutical, and food industries; high-humidity, corrosive flue gases	Very low budget, typical usage scenario (performance exceeds requirements)

How to Choose Anti-Corrosion Treatment for Filter Cages? A Comparison of Cold Galvanizing, Hot-Dip Galvanizing, Spray Coating, and Stainless Steel

Dust removal equipment

1793242999000

How to Choose Anti-Corrosion Treatment for Filter Cages? A Comparison of Cold Galvanizing, Hot-Dip Galvanizing, Spray Coating, and Stainless Steel

How to Determine Filter Bag Cage Dimensions? An Explanation of Diameter, Length, and Connection Structure

Dust removal equipment

1793242980000

How to Determine Filter Bag Cage Dimensions? An Explanation of Diameter, Length, and Connection Structure

Single-Section or Multi-Section Filter Cages? Considerations for the Transport and Installation of Long Filter Bags

Dust removal equipment

1793242931000

Single-Section or Multi-Section Filter Cages? Considerations for the Transport and Installation of Long Filter Bags

OEM

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FAQs

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View details

How can one prevent filter bags from being scratched or worn by the cage?

It should be verified that the longitudinal bars and circumferential rings are securely welded, with weld points and surfaces finished to be smooth. Additionally, ensure that the diameter and length of the filter cage are compatible with the filter bag. The presence of burrs, deformation, or rust on the surface of the filter cage may increase the risk of wear on the filter bag during both installation and operation.

How should one choose between a single-section filter cage and a multi-section plug-in (modular) filter cage?

A single-piece structure is suitable for equipment where length and transport conditions permit; a multi-section, plug-in (interlocking) design facilitates segmented transport and on-site assembly, making it appropriate for applications such as those involving longer filter bags. When making a selection, it is also necessary to ensure compatibility regarding the cage connection method, available installation space, and the structure of the filter bags.

What dimensions and structural configurations can be customized for filter cages?

The diameter ranges from φ100 to φ200 mm, with customizable lengths between 500 and 8000 mm. Specifications such as the number of longitudinal wires, wire diameter, spacing of transverse rings, top design, and connection method can also be selected according to requirements. When customizing, please verify the dimensions of the filter bags, the aperture size of the dust collector’s tube sheet, and the installation structure.

What is the difference between cold-galvanized and hot-galvanized filter cages?

Cold galvanizing produces a thinner zinc coating at a lower cost and is suitable for general operating conditions, such as dry environments at ambient temperatures. Hot-dip galvanizing, by contrast, provides a thicker zinc coating with superior moisture resistance, making it appropriate for applications involving standard boilers, cement production, metallurgy, and outdoor equipment. Neither method is suitable for environments exposed to strong acids, strong alkalis, or highly corrosive flue gases.

What are the common anti-corrosion treatments for filter cages?

Common types include cold galvanizing, hot-dip galvanizing, epoxy coating, silicone coating, and 304 stainless steel. Since each treatment method is suited to different temperature, humidity, and corrosive conditions, the choice should be based on the actual flue gas operating conditions.

What is the function of a filter cage in a fabric dust collector?

A filter cage—also known as a dust collector cage—consists of welded longitudinal wires and circumferential rings. It serves to support the filter bag, maintain its shape, and facilitate dust removal via pulse-jet cleaning. The quality of the welds and the surface treatment can also affect the installation of the filter bag and the risk of wear during operation.

Phone

+86 13603215080

info@benchunenv.com

WeChat

+86 13603215080

+86 17367753604

If you have questions or need help, contact our team for dedicated support.

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