{"id":1474,"date":"2023-11-20T17:11:53","date_gmt":"2023-11-20T09:11:53","guid":{"rendered":"https:\/\/oxynitra.com\/?p=1474"},"modified":"2023-11-21T00:17:32","modified_gmt":"2023-11-20T16:17:32","slug":"how-psa-oxygen-generator-work","status":"publish","type":"post","link":"https:\/\/oxynitra.com\/ro\/how-psa-oxygen-generator-work\/","title":{"rendered":"Cum func\u021bioneaz\u0103 un generator de oxigen PSA"},"content":{"rendered":"<p>Generatoarele de oxigen cu adsorb\u021bie prin varia\u021bie de presiune (PSA) asigur\u0103 o alimentare constant\u0103 cu oxigen pur din aerul ambiant. Sunt utilizate \u00een multe aplica\u021bii medicale \u0219i industriale care necesit\u0103 o surs\u0103 de oxigen la fa\u021ba locului. Dar cum func\u021bioneaz\u0103 de fapt tehnologia PSA pentru a separa oxigenul de azot?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Prezentare general\u0103 asupra gener\u0103rii de oxigen PSA<\/strong><\/h2>\n\n\n\n<p><strong>Generatoarele PSA utilizeaz\u0103 o sit\u0103 molecular\u0103 din zeolit pentru a absorbi azotul din aerul comprimat. Aceasta las\u0103 un flux de produse \u00eembog\u0103\u021bite cu oxigen care poate atinge o puritate peste 90%.<\/strong><\/p>\n\n\n\n<p>Procesul PSA opereaz\u0103 \u00eentr-un mod ciclic. Aerul este presurizat \u0219i alimentat \u00een vase care con\u021bin adsorbantul zeolit. Zeolitul capteaz\u0103 selectiv moleculele de azot \u00een timp ce permite oxigenului s\u0103 treac\u0103. Dup\u0103 ce adsorbantul devine saturat, presiunea este redus\u0103 pentru a desorbi \u0219i a elibera azotul. Aceast\u0103 etap\u0103 de regenerare reactiveaz\u0103 zeolitul astfel \u00eenc\u00e2t s\u0103 poat\u0103 repeta procesul de adsorb\u021bie \u00een ciclul urm\u0103tor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Cum func\u021bioneaz\u0103 sitele moleculare cu zeolit<\/strong><\/h2>\n\n\n\n<p>Zeolitul folosit \u00een generatoarele de PSA con\u021bine pori minusculi care capteaz\u0103 azotul \u00een timp ce permit oxigenului s\u0103 curg\u0103 liber. Acest material de sit\u0103 molecular\u0103 are o afinitate mai mare pentru azot \u00een compara\u021bie cu oxigenul.<\/p>\n\n\n\n<p>Unele propriet\u0103\u021bi care fac zeolitul eficient pentru generarea de oxigen PSA includ:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suprafa\u021b\u0103 mare \u00een structura sa poroas\u0103<\/li>\n\n\n\n<li>Capacitatea de a adsorbi rapid azotul sub presiune<\/li>\n\n\n\n<li>Desorb\u021bie u\u0219oar\u0103 a azotului atunci c\u00e2nd presiunea este redus\u0103<\/li>\n\n\n\n<li>Selectivitate ridicat\u0103 pentru azot fa\u021b\u0103 de oxigen<\/li>\n<\/ul>\n\n\n\n<p>Adsorban\u021bii cu zeoli\u021bi ca acesta permit sistemelor PSA s\u0103 produc\u0103 oxigen cu puritate de peste 90%.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pa\u0219ii procesului PSA explica\u021bi<\/strong><\/h2>\n\n\n\n<p>Procesul de generare a oxigenului PSA implic\u0103 trecerea \u00eentre adsorb\u021bia la presiune mai mare \u0219i desorb\u021bia la presiune mai mic\u0103. Iat\u0103 pa\u0219ii cheie:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Presurizare<\/strong> \u2013 Compresorul de aer alimenteaz\u0103 aer ambiental \u00eentr-un singur vas. Aceasta \u00eencepe faza de adsorb\u021bie.<br><\/li>\n\n\n\n<li><strong>Adsorb\u021bia azotului<\/strong> \u2013 La presiune mai mare, moleculele de azot din aer sunt adsorbite de preferin\u021b\u0103 pe zeolit.<br><\/li>\n\n\n\n<li><strong>Produc\u021bia de oxigen<\/strong> \u2013 Oxigenul purificat trece prin patul de adsorbant \u0219i iese din vas. Acest produs gaz are peste 90% oxigen.<br><\/li>\n\n\n\n<li><strong>Desorb\u021bie<\/strong> \u2013 \u00cenainte ca azotul s\u0103 sature zeolitul, vasul este depresurizat. Aceasta permite desorb\u021bia azotului prins.<br><\/li>\n\n\n\n<li><strong>Epurare<\/strong> \u2013 O parte din oxigen din produs curge \u00eenapoi prin vas pentru a elimina gazul de azot eliberat. Aceasta regenereaz\u0103 adsorbantul.<br><\/li>\n\n\n\n<li><strong>Depresurizarea<\/strong> \u2013 Vasul revine la presiune mai mare \u0219i repet\u0103 faza de adsorb\u021bie.<br><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"620\" src=\"https:\/\/oxynitra.com\/wp-content\/uploads\/2023\/08\/PSA-Oxygen-Generator-Workflow.jpg\" alt=\"Fluxul de lucru al generatorului de oxigen PSA\" class=\"wp-image-738\" srcset=\"https:\/\/oxynitra.com\/wp-content\/uploads\/2023\/08\/PSA-Oxygen-Generator-Workflow.jpg 750w, https:\/\/oxynitra.com\/wp-content\/uploads\/2023\/08\/PSA-Oxygen-Generator-Workflow-300x248.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>\u00cen timp ce un vas este \u00een modul de adsorb\u021bie, cel\u0103lalt vas sufer\u0103 desorb\u021bie\/purjare pentru a produce continuu oxigen gazos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Componentele majore ale unui generator PSA<\/strong><\/h2>\n\n\n\n<p>Un sistem de generare a oxigenului PSA con\u021bine urm\u0103toarele componente principale:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Compresor de aer<\/strong> \u2013 Comprim\u0103 aerul de admisie la presiunile necesare<\/li>\n\n\n\n<li><strong>Rezervoare de aer<\/strong> \u2013 Stocheaz\u0103 debitul de aer comprimat \u0219i tamponeaz\u0103<\/li>\n\n\n\n<li><strong>Paturi de sit\u0103 molecular\u0103<\/strong> \u2013 Con\u021bine zeolit pentru a absorbi azotul<\/li>\n\n\n\n<li><strong>Depozitarea oxigenului<\/strong> \u2013 Stocheaz\u0103 produsul cu oxigen purificat<\/li>\n\n\n\n<li><strong>Panou de control<\/strong> \u2013 Automatizeaz\u0103 ciclul PSA prin supape<\/li>\n\n\n\n<li><strong>Tuburi \u0219i supape<\/strong> \u2013 Fluxuri directe de aer pentru adsorb\u021bie \u0219i desorb\u021bie<\/li>\n<\/ul>\n\n\n\n<p>Ciclul PSA este controlat de supape pneumatice automate care se deschid \u0219i se \u00eenchid pentru a direc\u021biona aerul c\u0103tre vasul corespunz\u0103tor. Acest lucru asigur\u0103 o aprovizionare lin\u0103 \u0219i continu\u0103 de oxigen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ob\u021bine\u021bi propriul generator de oxigen PSA<\/strong><\/h2>\n\n\n\n<p>Dac\u0103 ave\u021bi nevoie de o surs\u0103 de oxigen la fa\u021ba locului, Oxynitra ofer\u0103 generatoare de oxigen personalizate PSA pentru utiliz\u0103ri medicale, industriale \u0219i de laborator. Cu peste 40 de ani de experien\u021b\u0103 \u00een tehnologia PSA, Oxynitra poate furniza sisteme de generare a oxigenului fiabile, de \u00eenalt\u0103 puritate, pentru a satisface cerin\u021bele dumneavoastr\u0103 specifice.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Concluzie<\/strong><\/h2>\n\n\n\n<p>Generatoarele de oxigen PSA produc o alimentare continu\u0103 cu oxigen prin adsorb\u021bia de azot pe site moleculare de zeolit. Principiile de adsorb\u021bie prin schimbarea presiunii, adsorban\u021bii specializa\u021bi cu zeoli\u021bi \u0219i automatizarea sistemului permit generatoarelor PSA s\u0103 furnizeze oxigen de \u00eenalt\u0103 puritate pentru diferite nevoi la fa\u021ba locului.<\/p>","protected":false},"excerpt":{"rendered":"<p>Generatoarele de oxigen cu adsorb\u021bie cu presiune oscilant\u0103 (PSA) furnizeaz\u0103 o cantitate constant\u0103 de oxigen pur din aerul \u00eenconjur\u0103tor. Acestea sunt utilizate \u00een multe aplica\u021bii medicale \u0219i industriale care necesit\u0103 o surs\u0103 de oxigen la fa\u021ba locului. Dar cum func\u021bioneaz\u0103 de fapt tehnologia PSA pentru a separa oxigenul de azot? Prezentare general\u0103 a gener\u0103rii de oxigen PSA Generatoarele PSA utilizeaz\u0103 o sit\u0103 molecular\u0103 realizat\u0103 [...]<\/p>","protected":false},"author":1,"featured_media":1473,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","ast-disable-related-posts":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oxygen-generator"],"_links":{"self":[{"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/posts\/1474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/comments?post=1474"}],"version-history":[{"count":3,"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/posts\/1474\/revisions"}],"predecessor-version":[{"id":1484,"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/posts\/1474\/revisions\/1484"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/media\/1473"}],"wp:attachment":[{"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/media?parent=1474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/categories?post=1474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oxynitra.com\/ro\/wp-json\/wp\/v2\/tags?post=1474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}