{"id":9422,"date":"2026-07-01T06:53:21","date_gmt":"2026-06-30T23:53:21","guid":{"rendered":"https:\/\/airfiltech.vn\/?p=9422"},"modified":"2026-09-10T11:31:12","modified_gmt":"2026-09-10T04:31:12","slug":"dust-collection-systems-for-welding-and-metal-cutting-shops-choosing-the-right-system-from-the-start","status":"publish","type":"post","link":"https:\/\/airfiltech.vn\/en\/dust-collection-systems-for-welding-and-metal-cutting-shops-choosing-the-right-system-from-the-start\/","title":{"rendered":"Dust Collection Systems for Welding and Metal Cutting Shops: Choosing the Right System from the Start"},"content":{"rendered":"<p>Welding fumes, grinding dust, metal vapor, and ultra-fine particles pose risks to worker health, product quality, equipment longevity, and fire safety in metalworking facilities.<\/p>\n<h2>1. Health Risks by Particle Size<\/h2>\n<ul>\n<li>&gt;10 microns (coarse): trapped in the nose and throat, causing upper respiratory irritation<\/li>\n<li>5\u201310 microns (PM10): enters the trachea and bronchi, increasing bronchitis risk<\/li>\n<li>&lt;2.5 microns (PM2.5): penetrates deep into the alveoli, associated with pulmonary fibrosis and chronic respiratory disease<\/li>\n<li>&lt;0.1 micron (ultrafine): enters the bloodstream, affecting the nervous and cardiovascular systems<\/li>\n<\/ul>\n<h3>Welding Fume Composition<\/h3>\n<ul>\n<li>Fe2O3 (iron oxide), MnO (manganese oxide), SiO2 (silicon dioxide)<\/li>\n<li>Cr6+ (hexavalent chromium) from stainless steel welding \u2014 carcinogenic<\/li>\n<li>Ni and Zn from galvanized steel welding \u2014 risk of metal fume fever<\/li>\n<\/ul>\n<p>Per QCVN 02:2019\/BYT, occupational exposure limits require manganese concentration \u22640.2 mg\/m\u00b3 and total respirable dust \u22643 mg\/m\u00b3 per shift.<\/p>\n<h2>2. Dust Collection System Types and Applications<\/h2>\n<h3>Cartridge Dust Collector<\/h3>\n<ul>\n<li>Suited to MIG\/MAG\/TIG welding and plasma cutting<\/li>\n<li>&gt;99.9% efficiency for 0.3-micron particles<\/li>\n<li>Automatic Pulse-Jet cleaning<\/li>\n<li>PTFE-coated polyester media for ultra-fine dust and anti-clogging performance<\/li>\n<\/ul>\n<h3>Bag Filter Dust Collector<\/h3>\n<ul>\n<li>Suited to grinding, polishing, and metal cutting with heavy coarse dust loads<\/li>\n<li>Handles large airflow volumes (&gt;5,000 m\u00b3\/h)<\/li>\n<li>Lower bag replacement cost<\/li>\n<li>Lower efficiency for ultra-fine dust compared to cartridge systems<\/li>\n<\/ul>\n<h3>Mobile Welding Fume Extractor<\/h3>\n<ul>\n<li>Suited to standalone welding stations or small workshops<\/li>\n<li>Captures fumes at the source, reducing worker inhalation risk<\/li>\n<li>Integrates HEPA H13 and activated carbon for fine dust and odor control<\/li>\n<\/ul>\n<h3>Centralized Ducted System<\/h3>\n<ul>\n<li>For plants with multiple welding and cutting stations<\/li>\n<li>Connects extraction points via ductwork to a central dust collector<\/li>\n<li>Requires airflow, duct sizing, and static pressure calculations<\/li>\n<\/ul>\n<h2>3. ATEX Explosion Safety Requirements<\/h2>\n<p>Aluminum, magnesium, and titanium dust pose a combustion risk at certain concentrations. Dust collectors handling these materials must:<\/p>\n<ul>\n<li>Meet ATEX Zone 22 requirements per IEC 60079-31<\/li>\n<li>Include a spark arrestor installed before the filter unit<\/li>\n<li>Be equipped with an explosion isolation valve and explosion vent<\/li>\n<li>Be fully grounded to eliminate static buildup<\/li>\n<\/ul>\n<h2>4. Air Filtech Mechanical Workshop Solutions<\/h2>\n<ul>\n<li>Cartridge dust collectors with PTFE membrane, automatic Pulse-Jet system, and optional HEPA after-filter<\/li>\n<li>Mobile welding fume extractors with integrated HEPA H13 and activated carbon<\/li>\n<li>Pulse-Jet bag filters for grinding dust, steel filings, and heavy metal dust<\/li>\n<li>Spark arrestor solutions and ATEX-compliant consulting for aluminum, magnesium, and titanium workshops<\/li>\n<li>Centralized ducted dust collection system design with airflow\/pressure calculation and duct optimization<\/li>\n<\/ul>\n<h2>5. Featured Projects<\/h2>\n<ul>\n<li>COMA Construction Mechanical Corporation (Hanoi) \u2014 centralized dust collection for 12 welding stations, 15,000 m\u00b3\/h capacity<\/li>\n<li>\u0110\u00f4ng Anh Mechanical Factory (Hanoi) \u2014 HEPA H13 filters for a steel plate plasma cutting system<\/li>\n<li>Kim Ph\u00e1t Aluminum Casting Co., Ltd. (B\u00ecnh D\u01b0\u01a1ng) \u2014 ATEX-compliant dust collection system for a high-pressure aluminum die-casting workshop<\/li>\n<\/ul>\n<p><em>Contact Air Filtech: 08 999 44 666 | info@airfiltech.vn<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Welding fumes, grinding dust, metal vapor, and ultra-fine particles pose risks to worker health, product quality, equipment longevity, and fire safety in metalworking facilities. 1. Health Risks by Particle Size &gt;10 microns (coarse): trapped in the nose and throat, causing upper respiratory irritation 5\u201310 microns (PM10): enters the trachea and bronchi, increasing bronchitis risk &lt;2.5 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9432,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[338],"tags":[387],"class_list":["post-9422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-metal-processing","tag-hepa"],"acf":[],"_links":{"self":[{"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/posts\/9422","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/comments?post=9422"}],"version-history":[{"count":1,"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/posts\/9422\/revisions"}],"predecessor-version":[{"id":9442,"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/posts\/9422\/revisions\/9442"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/media\/9432"}],"wp:attachment":[{"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/media?parent=9422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/categories?post=9422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/airfiltech.vn\/en\/wp-json\/wp\/v2\/tags?post=9422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}