{"id":10213,"date":"2024-07-16T19:24:33","date_gmt":"2024-07-16T17:24:33","guid":{"rendered":"https:\/\/firebox.com.ua\/?p=10213"},"modified":"2024-08-08T13:31:30","modified_gmt":"2024-08-08T11:31:30","slug":"teploobmennik-opredelenie","status":"publish","type":"post","link":"https:\/\/firebox.com.ua\/ro\/teploobmennik-opredelenie\/","title":{"rendered":"Schimb\u0103tor de c\u0103ldur\u0103 (defini\u021bie)"},"content":{"rendered":"<p><strong>Schimb\u0103tor de c\u0103ldur\u0103<\/strong> este un dispozitiv conceput pentru a transfera c\u0103ldur\u0103 \u00eentre dou\u0103 medii f\u0103r\u0103 a le amesteca. Func\u021bia principal\u0103 a designului este de a transfera eficient <a href=\"\/ro\/teplovaya-jenergiya-chto-jeto\/\">energie termal\u0103<\/a> dintr-un mediu \u00een altul. Schimb\u0103toarele de c\u0103ldur\u0103 sunt utilizate pe scar\u0103 larg\u0103 \u00een diverse sisteme tehnice precum \u00eenc\u0103lzire, aer condi\u021bionat, refrigerare, procese industriale \u0219i termoficare. Eficien\u021ba circuitului de schimb de c\u0103ldur\u0103 depinde de zona de schimb de c\u0103ldur\u0103.<\/p>\n<h3>Componentele principale \u0219i principiul de func\u021bionare:<\/h3>\n<ol>\n<li><strong>Schimbarea suprafe\u021belor<\/strong> - acestea sunt suprafetele pe care are loc schimbul de caldura intre doua medii. Suprafe\u021bele de schimb pot fi realizate sub form\u0103 de pl\u0103ci, elemente tubulare, radiatoare sau alte structuri care asigur\u0103 o zon\u0103 de contact maxim\u0103 \u00eentre medii.<\/li>\n<li><strong>Fluxurile media<\/strong> \u2014 schimb\u0103torul de c\u0103ldur\u0103 are cel pu\u021bin dou\u0103 fluxuri de mediu: un lichid de r\u0103cire (un mediu care degaj\u0103 c\u0103ldur\u0103) \u0219i un mediu \u00eenc\u0103lzit (un mediu care prime\u0219te c\u0103ldur\u0103). Aceste medii pot fi lichide, gaze sau o combina\u021bie a ambelor.<\/li>\n<li><strong>Suprafata de transfer termic<\/strong> - locul unde are loc contactul fizic \u0219i transferul de c\u0103ldur\u0103 \u00eentre dou\u0103 medii. Schimbul de c\u0103ldur\u0103 poate avea loc prin contact direct cu suprafa\u021ba, prin conduc\u021bie (conduc\u021bie) sau convec\u021bie (transfer de c\u0103ldur\u0103 prin mi\u0219carea unui mediu).<\/li>\n<\/ol>\n<h3>Functii:<\/h3>\n<ul>\n<li><strong>Transfer de c\u0103ldur\u0103<\/strong> \u2014 func\u021bia principal\u0103 a unui schimb\u0103tor de c\u0103ldur\u0103 este de a transfera c\u0103ldur\u0103 de la un mediu la altul f\u0103r\u0103 a le amesteca.<\/li>\n<li><strong>Reglarea termic\u0103<\/strong> \u2014 v\u0103 permite s\u0103 men\u021bine\u021bi condi\u021biile de temperatur\u0103 specificate \u00een sistemele de \u00eenc\u0103lzire, r\u0103cire sau procese industriale.<\/li>\n<li><strong>Economie de energie<\/strong> \u2014 transferul eficient de c\u0103ldur\u0103 ajut\u0103 la reducerea costurilor energetice \u0219i la cre\u0219terea eficien\u021bei energetice a sistemelor tehnice.<\/li>\n<\/ul>\n<h3>Aplicarea schimbatoarelor de caldura:<\/h3>\n<p>Circuitele de schimb de c\u0103ldur\u0103 sunt utilizate pe scar\u0103 larg\u0103 \u00een diverse industrii \u0219i gospod\u0103rii. Sunt utilizate \u00een sistemele de \u00eenc\u0103lzire central\u0103 pentru a transfera c\u0103ldura de la cazane la calorifere sau \u00eenc\u0103lzire prin pardoseal\u0103, \u00een sistemele de aer condi\u021bionat pentru r\u0103cirea sau \u00eenc\u0103lzirea aerului, \u00een sistemele de refrigerare pentru r\u0103cirea lichidelor \u0219i gazelor \u0219i \u00een procesele industriale pentru r\u0103cirea sau \u00eenc\u0103lzirea mediilor.<\/p>\n<p>Alegerea tipului de dispozitiv de schimb de c\u0103ldur\u0103 depinde de condi\u021biile tehnice. De exemplu, \u00een <a href=\"\/ro\/tverdotoplivnye-pelletnye-kotly\/\">cazane pe pele\u021bi FOCUS<\/a> Pe l\u00e2ng\u0103 un schimb\u0103tor de c\u0103ldur\u0103 pe \u021bevi, se folose\u0219te un schimb\u0103tor de c\u0103ldur\u0103 cu pl\u0103ci, care \u00eendepline\u0219te \u0219i sarcinile unui filtru de cenu\u0219\u0103.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0422\u0435\u043f\u043b\u043e\u043e\u0431\u043c\u0435\u043d\u043d\u0438\u043a \u2014 \u044d\u0442\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0435 \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0442\u0435\u043f\u043b\u0430 \u043c\u0435\u0436\u0434\u0443 \u0434\u0432\u0443\u043c\u044f \u0441\u0440\u0435\u0434\u0430\u043c\u0438 \u0431\u0435\u0437 \u0438\u0445 \u0441\u043c\u0435\u0448\u0438\u0432\u0430\u043d\u0438\u044f. \u041e\u0441\u043d\u043e\u0432\u043d\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 \u0437\u0430\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0435 \u0442\u0435\u043f\u043b\u043e\u0432\u043e\u0439 \u044d\u043d\u0435\u0440\u0433\u0438\u0438 \u043e\u0442 \u043e\u0434\u043d\u043e\u0439 \u0441\u0440\u0435\u0434\u044b \u043a \u0434\u0440\u0443\u0433\u043e\u0439. \u0422\u0435\u043f\u043b\u043e\u043e\u0431\u043c\u0435\u043d\u043d\u0438\u043a\u0438 \u0448\u0438\u0440\u043e\u043a\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0432 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u043e\u0442\u043e\u043f\u043b\u0435\u043d\u0438\u0435, \u043a\u043e\u043d\u0434\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0432\u043e\u0437\u0434\u0443\u0445\u0430, \u0445\u043e\u043b\u043e\u0434\u0438\u043b\u044c\u043d\u044b\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438, \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u044b \u0438 \u0442\u0435\u043f\u043b\u043e\u0441\u043d\u0430\u0431\u0436\u0435\u043d\u0438\u0435. \u042d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u0442\u0435\u043f\u043b\u043e\u043e\u0431\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0443\u0440\u0430 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u0442\u0435\u043f\u043b\u043e\u043e\u0431\u043c\u0435\u043d\u0430. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b [&#8230;]\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[85],"tags":[],"class_list":["post-10213","post","type-post","status-publish","format-standard","hentry","category-baza-terminov-po-otopleniyu"],"_links":{"self":[{"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/posts\/10213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/comments?post=10213"}],"version-history":[{"count":3,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/posts\/10213\/revisions"}],"predecessor-version":[{"id":10415,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/posts\/10213\/revisions\/10415"}],"wp:attachment":[{"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/media?parent=10213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/categories?post=10213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/tags?post=10213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}