{"id":1514,"date":"2026-09-15T13:27:00","date_gmt":"2026-09-15T05:27:00","guid":{"rendered":"https:\/\/www.dawosmachinery.com\/?p=1514"},"modified":"2026-09-15T13:27:00","modified_gmt":"2026-09-15T05:27:00","slug":"series-2-how-does-the-oil-air-separation-system-work-in-a-screw-air-compressor","status":"publish","type":"post","link":"https:\/\/www.dawosmachinery.com\/ru\/blog\/series-2-how-does-the-oil-air-separation-system-work-in-a-screw-air-compressor\/","title":{"rendered":"\u0421\u0435\u0440\u0438\u044f #2: \u041a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043c\u0430\u0441\u043b\u044f\u043d\u043e-\u0432\u043e\u0437\u0434\u0443\u0448\u043d\u043e\u0439 \u0441\u0435\u043f\u0430\u0440\u0430\u0446\u0438\u0438 \u0432 \u0432\u0438\u043d\u0442\u043e\u0432\u043e\u043c \u0432\u043e\u0437\u0434\u0443\u0448\u043d\u043e\u043c \u043a\u043e\u043c\u043f\u0440\u0435\u0441\u0441\u043e\u0440\u0435?"},"content":{"rendered":"<p class=\"isSelectedEnd\">In an oil-injected screw air compressor, lubricating oil is injected into the airend to cool,<br \/>\nlubricate, and seal the rotors during compression. As a result, the compressed air leaving the airend contains a<br \/>\nmixture of compressed air and oil. The oil-air separation system is responsible for separating most of this oil and<br \/>\nreturning it to the oil circulation system, while allowing the compressed air to continue to the downstream system.<\/p>\n<p>&nbsp;<\/p>\n<h3>Oil-Air Separation Tank and Separator Element<\/h3>\n<p>&nbsp;<\/p>\n<p class=\"isSelectedEnd\">The oil-air separation system is not simply one filter. It normally consists of a<br \/>\n<strong>separator tank (or separator vessel)<\/strong> and an <strong>oil separator element<\/strong>, together with<br \/>\nthe related oil return system.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1518\" src=\"https:\/\/dawosmachinery.bcdn8.com\/dawosi\/uploads\/2026\/09\/20260915032627414.png\" alt=\"\" width=\"1038\" height=\"481\" srcset=\"https:\/\/dawosmachinery.bcdn8.com\/dawosi\/uploads\/2026\/09\/20260915032627414.png 1038w, https:\/\/dawosmachinery.bcdn8.com\/dawosi\/uploads\/2026\/09\/20260915032627414-300x139.png 300w, https:\/\/dawosmachinery.bcdn8.com\/dawosi\/uploads\/2026\/09\/20260915032627414-1024x475.png 1024w, https:\/\/dawosmachinery.bcdn8.com\/dawosi\/uploads\/2026\/09\/20260915032627414-768x356.png 768w, https:\/\/dawosmachinery.bcdn8.com\/dawosi\/uploads\/2026\/09\/20260915032627414-18x8.png 18w\" sizes=\"auto, (max-width: 1038px) 100vw, 1038px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p class=\"isSelectedEnd\">First, the oil-air mixture from the airend enters the separator tank. By reducing flow velocity<br \/>\nand changing the flow direction, a large portion of the oil is separated from the compressed air and collected in<br \/>\nthe tank.<\/p>\n<p class=\"isSelectedEnd\">The compressed air then passes through the <strong>oil separator element<\/strong> inside the<br \/>\nseparator vessel. The separator element captures fine oil droplets and coalesces them into larger droplets, which<br \/>\nare returned to the oil circuit. The separated compressed air then continues through the compressor&#8217;s downstream<br \/>\ncomponents.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"row\">\n<div class=\"col-md-6\" style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/dawosmachinery.bcdn8.com\/dawosi\/uploads\/2026\/09\/20260915032613418.png\" alt=\"\" \/><\/div>\n<div class=\"col-md-6\" style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/dawosmachinery.bcdn8.com\/dawosi\/uploads\/2026\/09\/20260915032620932.png\" alt=\"\" \/><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p class=\"isSelectedEnd\">This distinction is important: the <strong>separator tank is the larger pressure<br \/>\nvessel<\/strong>, while the <strong>separator element is the replaceable separation cartridge installed inside<br \/>\nit<\/strong>. Together, they form the core of the oil-air separation system.<\/p>\n<p>&nbsp;<\/p>\n<h3>Why Is the Oil-Air Separation System Important?<\/h3>\n<p class=\"isSelectedEnd\">A well-designed oil-air separation system provides several important benefits.<\/p>\n<p class=\"isSelectedEnd\"><strong>1. Lower Oil Carryover<\/strong><\/p>\n<p class=\"isSelectedEnd\">Effective separation reduces the amount of lubricating oil carried out with the compressed air.<br \/>\nThis helps protect downstream air treatment equipment and reduces unnecessary oil consumption.<\/p>\n<p class=\"isSelectedEnd\"><strong>2. Controlled Pressure Loss<\/strong><\/p>\n<p class=\"isSelectedEnd\">The oil separator element needs to provide efficient separation while maintaining reasonable<br \/>\npressure drop. Excessive pressure loss can increase the energy required to produce compressed air, so separator<br \/>\ndesign and condition are important to overall compressor efficiency.<\/p>\n<p class=\"isSelectedEnd\"><strong>3. Efficient Oil Recovery<\/strong><\/p>\n<p class=\"isSelectedEnd\">The separated oil is returned to the compressor oil circuit rather than being continuously<br \/>\ndischarged with the compressed air. This supports stable lubrication, cooling, and sealing performance inside the<br \/>\nairend.<\/p>\n<p class=\"isSelectedEnd\"><strong>4. Reliable Long-Term Operation<\/strong><\/p>\n<p class=\"isSelectedEnd\">The separator element is a service component. As it becomes loaded with contaminants or its<br \/>\nseparation performance changes, pressure drop and oil carryover can increase. Regular inspection and replacement<br \/>\naccording to the compressor manufacturer&#8217;s maintenance requirements help maintain stable performance.<\/p>\n<p>&nbsp;<\/p>\n<h3>Application Value in Different Industries<\/h3>\n<p class=\"isSelectedEnd\">For <strong>food packaging and pharmaceutical production<\/strong>, controlling oil carryover is<br \/>\nimportant because compressed air can come into contact with sensitive production processes.<\/p>\n<p class=\"isSelectedEnd\">For <strong>electronics and precision manufacturing<\/strong>, stable compressed air quality<br \/>\nhelps protect downstream equipment and production processes.<\/p>\n<p class=\"isSelectedEnd\">For <strong>textiles, chemicals, metal processing, and other industrial applications<\/strong>,<br \/>\nefficient oil-air separation supports continuous operation while helping control lubricant consumption and<br \/>\nmaintenance costs.<\/p>\n<p class=\"isSelectedEnd\">For this reason, the oil-air separation system is much more than a simple filter. It is an<br \/>\nimportant part of the compressor&#8217;s internal air and oil circulation system.<\/p>\n<p>&nbsp;<\/p>\n<p class=\"isSelectedEnd\">A reliable <strong>screw air compressor<\/strong> needs the separator tank, oil separator<br \/>\nelement, oil return system, and related pressure-control components to work together correctly.<\/p>\n<p>In the next article of the <strong>Air Compressor Components Deep-Dive Series<\/strong>, we will look at another<br \/>\nimportant part of a screw air compressor: <strong>Air\/Oil Control Valves<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<p>In an oil-injected screw air compressor, lubricating oil is injected into the airend to cool, lubricate, and seal the rotors during compression. As a result, the compressed air leaving the airend contains a mixture of compressed air and oil. The oil-air separation system is responsible for separating most of this oil and returning it to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[46],"tags":[],"class_list":["post-1514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/posts\/1514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/comments?post=1514"}],"version-history":[{"count":8,"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/posts\/1514\/revisions"}],"predecessor-version":[{"id":1526,"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/posts\/1514\/revisions\/1526"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/media\/1515"}],"wp:attachment":[{"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/media?parent=1514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/categories?post=1514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dawosmachinery.com\/ru\/wp-json\/wp\/v2\/tags?post=1514"}],"curies":[{"name":"\u0432\u043f","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}