{"id":12308,"date":"2025-06-26T08:06:18","date_gmt":"2025-06-26T08:06:18","guid":{"rendered":"https:\/\/8ruiyan.com\/?p=12308"},"modified":"2025-06-26T08:06:28","modified_gmt":"2025-06-26T08:06:28","slug":"vacuum-cleanning-furnace","status":"publish","type":"post","link":"https:\/\/8ruiyan.com\/ru\/vacuum-cleanning-furnace\/","title":{"rendered":"Vacuum Cleaning Ovens: Advanced Process for Efficient Polymer Residue Removal"},"content":{"rendered":"<p>Vacuum cleaning ovens <a href=\"https:\/\/8ruiyan.com\/en\/all-vacuum-cleaning-furnaces\/\">https:\/\/8ruiyan.com\/en\/all-vacuum-cleaning-furnaces\/<\/a>have become an efficient and environmentally friendly cleaning solution in modern industrial production,,especially in the maintenance of polymer processing equipment. This article details the working principle of vacuum cleaning ovens and their standard cleaning process.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Overview of Vacuum Cleaning Ovens<\/h2>\n\n\n\n<p>A vacuum cleaning oven is a specialized device designed to remove polymer residues from industrial equipment such as molds, spinnerets, and screws. Compared to traditional chemical or mechanical cleaning methods, vacuum cleaning technology offers the following advantages:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No chemical solvents, making it environmentally safe<\/li>\n\n\n\n<li>Thorough residue removal without leaving blind spots<\/li>\n\n\n\n<li>No damage to the base material of the equipment<\/li>\n\n\n\n<li>High automation level and simple operation<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Cleaning process<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-5fa77fbc wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/8ruiyan.com\/wp-content\/uploads\/2025\/06\/2.png ,https:\/\/8ruiyan.com\/wp-content\/uploads\/2025\/06\/2.png 780w, https:\/\/8ruiyan.com\/wp-content\/uploads\/2025\/06\/2.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/8ruiyan.com\/wp-content\/uploads\/2025\/06\/2.png\" alt=\"Cleaning process\" class=\"uag-image-12310\" width=\"611\" height=\"391\" title=\"Cleaning process\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Phase 1: Heating Stage (0\u2013300\u00b0C, 45 minutes)<\/h3>\n\n\n\n<p>The cleaning process begins with a gentle heating stage. Over 45 minutes, the furnace temperature gradually increases from room temperature to 300\u00b0C. The main objectives of this phase are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Softening the residual polymers gradually<\/li>\n\n\n\n<li>Avoiding thermal shock caused by rapid temperature rise<\/li>\n\n\n\n<li>Preparing for the subsequent melting stage<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Phase 2: Polymer Melting (300\u00b0C, 60 minutes)<\/h3>\n\n\n\n<p>The temperature is stabilized at 300\u00b0C for 60 minutes. During this stage:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Most thermoplastic polymers reach a molten state<\/li>\n\n\n\n<li>Some low-molecular-weight components begin to volatilize<\/li>\n\n\n\n<li>Molten polymers start to detach from the equipment surface<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Phase 3: Continued Heating (300\u2013450\u00b0C, 45 minutes)<\/h3>\n\n\n\n<p>The temperature rises from 300\u00b0C to 450\u00b0C. In this phase:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High-melting-point polymer components begin to decompose<\/li>\n\n\n\n<li>Partial thermal cracking of polymers occurs<\/li>\n\n\n\n<li>The vacuum system effectively removes volatile components<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Phase 4: Vacuum Cracking (450\u00b0C, 360 minutes)<\/h3>\n\n\n\n<p>This is the core stage of the entire cleaning process, maintaining 450\u00b0C under vacuum for six hours:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polymer macromolecular chains break down into smaller molecules<\/li>\n\n\n\n<li>The vacuum system continuously extracts cracking byproducts<\/li>\n\n\n\n<li>Residues are completely decomposed and removed<\/li>\n\n\n\n<li>The equipment surface undergoes deep cleaning<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Phase 5: Oxidation Stage (450\u00b0C, 60 minutes)<\/h3>\n\n\n\n<p>While maintaining 450\u00b0C, a controlled amount of air is introduced into the furnace:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oxidizing residual carbides<\/li>\n\n\n\n<li>Further purifying the equipment surface<\/li>\n\n\n\n<li>Ensuring no organic residues remain<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Phase 6: Cooling Stage<\/h3>\n\n\n\n<p>Finally, the system undergoes natural cooling:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cooling rate is typically controlled at 5\u201310\u00b0C per minute<\/li>\n\n\n\n<li>The furnace can be opened once it reaches a safe temperature<\/li>\n\n\n\n<li>Total cooling time depends on the equipment size<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>TYPICAL POLYMERS<\/strong><\/h2>\n\n\n\n<p>Polyolefins: PE, HDPE, PP, PB, EVA, EVOH<\/p>\n\n\n\n<p>Polyesters: PET, PBT, PC, PTT, PEN<\/p>\n\n\n\n<p>Polyamides: PA6, PA6.6, PA12, PPA<\/p>\n\n\n\n<p>Polyacrylates: PAN, PBA, PMA, PMMA<\/p>\n\n\n\n<p>Polystyrenes: PS, ABS, SB, SBS, SAN<\/p>\n\n\n\n<p>Biopolymers: PLA, PEA, PVAL, PPOX<\/p>\n\n\n\n<p>Polyetherketones: PAE, PEK, PEEK<\/p>\n\n\n\n<p>Polyimides: PI, PBI, PEI, PBO, PMI<\/p>\n\n\n\n<p>Polyurethanes: PUR, TPA, TPO, TPU, Spandex<\/p>\n\n\n\n<p>Special Polymers: LCP, POM, BR, NBR<\/p>\n\n\n\n<p>Other polymers on request<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Cleaning Effect Comparison<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-75549612 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/8ruiyan.com\/wp-content\/uploads\/2024\/12\/\u5bf9\u6bd42.jpg ,https:\/\/8ruiyan.com\/wp-content\/uploads\/2024\/12\/\u5bf9\u6bd42.jpg 780w, https:\/\/8ruiyan.com\/wp-content\/uploads\/2024\/12\/\u5bf9\u6bd42.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/8ruiyan.com\/wp-content\/uploads\/2024\/12\/\u5bf9\u6bd42.jpg\" alt=\"Vacuum Cleaning oven\uff1aBefore and After Cleaning Comparison\" class=\"uag-image-9316\" width=\"596\" height=\"400\" title=\"Vacuum Cleaning oven\uff1aBefore and After Cleaning Comparison\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-3a6acf8b wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/8ruiyan.com\/wp-content\/uploads\/2024\/12\/\u5bf9\u6bd41-1.jpg ,https:\/\/8ruiyan.com\/wp-content\/uploads\/2024\/12\/\u5bf9\u6bd41-1.jpg 780w, https:\/\/8ruiyan.com\/wp-content\/uploads\/2024\/12\/\u5bf9\u6bd41-1.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/8ruiyan.com\/wp-content\/uploads\/2024\/12\/\u5bf9\u6bd41-1.jpg\" alt=\"Cleaning Effect Comparison\" class=\"uag-image-9243\" width=\"596\" height=\"400\" title=\"Cleaning Effect Comparison\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Safety Precautions<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Ensure proper sealing before operation<\/li>\n\n\n\n<li>Strictly follow temperature control procedures<\/li>\n\n\n\n<li>Allow cooling below 80\u00b0C before opening the furnace<\/li>\n\n\n\n<li>Regularly inspect vacuum system performance<\/li>\n\n\n\n<li>Equip necessary safety protection facilities<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udce2 Final Recommendation:<\/strong><\/h3>\n\n\n\n<p>For technical inquiries, contact Ruiyuan\u2019s official support team!<\/p>\n\n\n\n<p><strong>\ud83d\udcde&nbsp;\ud83d\udcde&nbsp;\ud83d\udcde&nbsp;<\/strong><\/p>\n\n\n\n<p>Whatsapp:86-19106101570<\/p>\n\n\n\n<p>wechat:86-19106101570<\/p>\n\n\n\n<p>email:nieyili@cnryan.com<\/p>\n\n\n\n<p><a href=\"http:\/\/www.8ruiyan.com\/\">http:\/\/www.8ruiyan.com<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Vacuum cleaning ovens https:\/\/8ruiyan.com\/en\/all-vacuum [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12308","post","type-post","status-publish","format-standard","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vacuum Cleaning ovens: cleaning process and effect comparison<\/title>\n<meta name=\"description\" content=\"Vacuum cleaning ovens provide an efficient solution for removing polymer residues through a six-stage thermal and vacuum process\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/8ruiyan.com\/ru\/vacuum-cleanning-furnace\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta 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