Trubkov\u00e9 v\u00fdm\u011bn\u00edky tepla s pl\u00e1\u0161t\u011bm z karbidu k\u0159em\u00edku odoln\u00e9ho proti korozi jsou ur\u010deny k chlazen\u00ed, kondenzaci, oh\u0159evu a odpa\u0159ov\u00e1n\u00ed vysoce korozivn\u00edch chemik\u00e1li\u00ed. Tyto v\u00fdm\u011bn\u00edky tepla, vyroben\u00e9 z p\u0159\u00edmo slinut\u00fdch trubek z karbidu k\u0159em\u00edku ut\u011bsn\u011bn\u00fdch v rozvodn\u00fdch hlav\u00e1ch pota\u017een\u00fdch PFA\/FFKM nebo v ocelov\u00fdch rozvodn\u00fdch hlav\u00e1ch, se vyzna\u010duj\u00ed vynikaj\u00edc\u00ed odolnost\u00ed proti korozi.<\/p>\n
Spole\u010dnost TEMA klasifikuje v\u00fdm\u011bn\u00edky tepla podle konfigurace jejich p\u0159edn\u00ed pevn\u00e9 hlavy a pl\u00e1\u0161t\u011b. Mohou pracovat bu\u010f v paraleln\u00edm, nebo v protiproud\u00e9m re\u017eimu.<\/p>\n
Trubkov\u00fd v\u00fdm\u011bn\u00edk tepla se skl\u00e1d\u00e1 z trubek z karbidu k\u0159em\u00edku uzav\u0159en\u00fdch v pl\u00e1\u0161ti z nerezov\u00e9 oceli nebo s PFA v\u00fdstelkou, p\u0159i\u010dem\u017e jedna tekutina cirkuluje uvnit\u0159 trubek, zat\u00edmco druh\u00e1 proud\u00ed kolem nich a skrz samotn\u00fd pl\u00e1\u0161\u0165, p\u0159i\u010dem\u017e teplo se p\u0159en\u00e1\u0161\u00ed veden\u00edm z jedn\u00e9 tekutiny na druhou. Mezi vhodn\u00e9 aplikace pro tento typ v\u00fdm\u011bn\u00edku pat\u0159\u00ed chladic\u00ed, kondenza\u010dn\u00ed a oh\u0159\u00edvac\u00ed procesy, stejn\u011b jako absorp\u010dn\u00ed nebo odpa\u0159ovac\u00ed aplikace.<\/p>\n
Karbid k\u0159em\u00edku vykazuje vynikaj\u00edc\u00ed odolnost proti korozi a dob\u0159e odol\u00e1v\u00e1 kyselin\u011b s\u00edrov\u00e9, kyselin\u011b dusi\u010dn\u00e9, kyselin\u011b fosfore\u010dn\u00e9, sm\u011bs\u00edm kyselin, kyselin\u011b fluorovod\u00edkov\u00e9 a siln\u00fdm z\u00e1sad\u00e1m. D\u00edky tomu p\u0159edstavuje vynikaj\u00edc\u00ed n\u00e1hradu za grafit ve vysoce korozivn\u00edch prost\u0159ed\u00edch. Krom\u011b toho lze p\u0159\u00edmo slinut\u00fd karbid k\u0159em\u00edku (SSiC) snadno sva\u0159ovat ve srovn\u00e1n\u00ed s SiSiC, kter\u00fd obsahuje voln\u00fd oxid k\u0159emi\u010dit\u00fd, jen\u017e m\u016f\u017ee b\u00fdt napaden chemick\u00fdmi roztoky a vyplaven z v\u00fdm\u011bn\u00edku tepla v d\u016fsledku chemick\u00e9ho p\u016fsoben\u00ed na voln\u00fd oxid k\u0159emi\u010dit\u00fd p\u0159\u00edtomn\u00fd v infiltrovan\u00e9m karbidu k\u0159em\u00edku (SiSiC).<\/p>\n
Trubkov\u00e9 v\u00fdm\u011bn\u00edky tepla jsou kompaktn\u011bj\u0161\u00ed ne\u017e deskov\u00e9 v\u00fdm\u011bn\u00edky tepla a maj\u00ed tu v\u00fdhodu, \u017ee je lze snadno otev\u0159\u00edt za \u00fa\u010delem kontroly, ani\u017e by bylo nutn\u00e9 je demontovat. V\u00fdm\u011bn\u00edky tepla typu SR od spole\u010dnosti GAB Neumann jsou vybaveny syst\u00e9mem p\u0159ep\u00e1\u017eek ulo\u017een\u00fdch na oto\u010dn\u00fdch \u010depech, co\u017e umo\u017e\u0148uje p\u0159\u00edstup k \u010di\u0161t\u011bn\u00ed z obou konc\u016f \u2013 a zaji\u0161\u0165uje tak snadn\u00fd p\u0159\u00edstup pro \u00fadr\u017ebu z obou stran.<\/p>\n
Karbid k\u0159em\u00edku nach\u00e1z\u00ed \u0161irok\u00e9 uplatn\u011bn\u00ed v pr\u016fmyslov\u00e9m prost\u0159ed\u00ed a p\u0159edstavuje ekonomickou alternativu k b\u011b\u017en\u011bj\u0161\u00edm materi\u00e1l\u016fm pro p\u0159enos tepla. D\u00edky vynikaj\u00edc\u00ed odolnosti proti korozi a tepeln\u00e9 vodivosti zaji\u0161\u0165uje karbid k\u0159em\u00edku del\u0161\u00ed \u017eivotnost, ni\u017e\u0161\u00ed n\u00e1klady na \u00fadr\u017ebu a vy\u0161\u0161\u00ed energetickou \u00fa\u010dinnost.<\/p>\n
V\u00fdm\u011bn\u00edky tepla t\u00e9to konstrukce se skl\u00e1daj\u00ed z uzav\u0159en\u00e9ho svazku trubek, jimi\u017e prot\u00e9k\u00e1 jedna kapalina, zat\u00edmco druh\u00e1 kapalina proud\u00ed kolem nich, p\u0159i\u010dem\u017e jsou jejich dr\u00e1hy odd\u011bleny a nedoch\u00e1z\u00ed k p\u0159\u00edm\u00e9mu kontaktu mezi kapalinami. Turbulence vyvolan\u00e1 pr\u016ftokov\u00fdmi p\u0159ep\u00e1\u017ekami v pl\u00e1\u0161ti a vnit\u0159n\u00edmi turbul\u00e1tory uvnit\u0159 trubek pom\u00e1h\u00e1 zv\u00fd\u0161it v\u00fdkon t\u00edm, \u017ee eliminuje jak\u00e9koli mrtv\u00e9 z\u00f3ny v r\u00e1mci dan\u00fdch proces\u016f.<\/p>\n
Keramick\u00e9 trubky se vyzna\u010duj\u00ed hustou strukturou, kter\u00e1 p\u0159irozen\u011b odol\u00e1v\u00e1 usazov\u00e1n\u00ed ne\u010distot, \u010d\u00edm\u017e prodlu\u017euje intervaly mezi \u010di\u0161t\u011bn\u00edm a sni\u017euje prostoje. Nav\u00edc d\u00edky vynikaj\u00edc\u00ed tepeln\u00e9 vodivosti a n\u00edzk\u00e9mu koeficientu tepeln\u00e9 rozta\u017enosti je SiC vynikaj\u00edc\u00ed volbou pro aplikace s rychl\u00fdmi teplotn\u00edmi v\u00fdkyvy.<\/p>\n
V\u00fdm\u011bn\u00edky tepla Umax se vyzna\u010duj\u00ed hygienick\u00fdm proveden\u00edm, kter\u00e9 usnad\u0148uje \u010di\u0161t\u011bn\u00ed a opravy, ani\u017e by bylo nutn\u00e9 zasahovat do ostatn\u00edch trubek v sestav\u011b nebo demontovat jednotliv\u00e9 sou\u010d\u00e1sti. To v\u00fdrazn\u011b sni\u017euje prostoje a n\u00e1klady, p\u0159i\u010dem\u017e povrch, kter\u00fd je ze sv\u00e9 podstaty odoln\u00fd proti usazov\u00e1n\u00ed ne\u010distot, lze bez po\u0161kozen\u00ed \u010distit tlakovou vodou nebo chemicky; spolehlivost je d\u00e1le zv\u00fd\u0161ena d\u00edky dvojit\u00fdm O-krou\u017ekov\u00fdm t\u011bsn\u011bn\u00edm, kter\u00e1 jsou sou\u010dasn\u011b pou\u017eita jak na trubkov\u00fdch desk\u00e1ch, tak na sekund\u00e1rn\u00ed protidesce.<\/p>\n
Trubkov\u00e9 v\u00fdm\u011bn\u00edky tepla s pl\u00e1\u0161t\u011bm z karbidu k\u0159em\u00edku zaji\u0161\u0165uj\u00ed p\u0159enos tepla mezi hork\u00fdmi a studen\u00fdmi tekutinami pomoc\u00ed trubek ulo\u017een\u00fdch uvnit\u0159 v\u00e1lcov\u00e9ho ocelov\u00e9ho pl\u00e1\u0161t\u011b. Jedn\u00edm z kl\u00ed\u010dov\u00fdch po\u017eadavk\u016f na tyto v\u00fdm\u011bn\u00edky tepla je jejich schopnost zvl\u00e1dat velk\u00e9 teplotn\u00ed rozd\u00edly a vysok\u00e9 tlaky; p\u0159ep\u00e1\u017eky pom\u00e1haj\u00ed \u0159\u00eddit proud\u011bn\u00ed, zat\u00edmco vnit\u0159n\u00ed turbul\u00e1tory zaji\u0161\u0165uj\u00ed rovnom\u011brnou turbulenci na stran\u011b trubek, \u010d\u00edm\u017e zvy\u0161uj\u00ed \u00fa\u010dinnost p\u0159enosu tepla a z\u00e1rove\u0148 sni\u017euj\u00ed probl\u00e9my s usazov\u00e1n\u00edm ne\u010distot.<\/p>\n
Odolnost proti korozi je ned\u00edlnou sou\u010d\u00e1st\u00ed konstrukce trubkov\u00fdch v\u00fdm\u011bn\u00edk\u016f tepla s pl\u00e1\u0161t\u011bm z karbidu k\u0159em\u00edku a tato za\u0159\u00edzen\u00ed se \u010dasto vyu\u017e\u00edvaj\u00ed v chemick\u00fdch \u010di farmaceutick\u00fdch procesech, p\u0159i nich\u017e se pracuj\u00ed s vysoce korozivn\u00edmi l\u00e1tkami. Aby si zachovala svou schopnost odol\u00e1vat p\u016fsoben\u00ed nejr\u016fzn\u011bj\u0161\u00edch chemik\u00e1li\u00ed, je na trubk\u00e1ch i pl\u00e1\u0161ti \u010dasto pou\u017eita v\u00fdstelka z materi\u00e1lu F4 nebo PFA.<\/p>\n
D\u00edky sv\u00e9 kompaktn\u00ed struktu\u0159e jsou keramick\u00e9 trubky z SiC p\u0159irozen\u011b odoln\u00e9 proti usazov\u00e1n\u00ed ne\u010distot ve srovn\u00e1n\u00ed s jin\u00fdmi materi\u00e1ly b\u011b\u017en\u011b pou\u017e\u00edvan\u00fdmi v aplikac\u00edch pro p\u0159enos tepla, co\u017e v\u00fdrazn\u011b prodlu\u017euje dobu provozu mezi \u00fadr\u017ebov\u00fdmi odst\u00e1vkami a vede k vy\u0161\u0161\u00ed produktivit\u011b. Tento typ keramiky se nav\u00edc vyzna\u010duje vysokou tepelnou vodivost\u00ed, n\u00edzk\u00fdmi hodnotami koeficientu tepeln\u00e9 rozta\u017enosti (CTE) a v\u00fdjime\u010dnou pevnost\u00ed, d\u00edky \u010demu\u017e je prakticky odoln\u00fd v\u016f\u010di tepeln\u00fdm \u0161ok\u016fm.<\/p>\n
Konstrukce trubkov\u00e9ho v\u00fdm\u011bn\u00edku tepla z karbidu k\u0159em\u00edku je do zna\u010dn\u00e9 m\u00edry ur\u010dena procesn\u00edmi podm\u00ednkami, a proto v\u00fdb\u011br vhodn\u00e9ho typu a velikosti za\u0159\u00edzen\u00ed z\u00e1vis\u00ed p\u0159edev\u0161\u00edm na faktorech, jako jsou pr\u016ftok, teplotn\u00ed rozsah, konstruk\u010dn\u00ed tlakov\u00e9 a teplotn\u00ed rozsahy, kompatibilita materi\u00e1l\u016f a probl\u00e9my s usazov\u00e1n\u00edm ne\u010distot, jako\u017e i na mnoha dal\u0161\u00edch aspektech. Organizace TEMA rovn\u011b\u017e upravuje konstruk\u010dn\u00ed \u0159e\u0161en\u00ed t\u011bchto za\u0159\u00edzen\u00ed prost\u0159ednictv\u00edm specifick\u00fdch identifikac\u00ed a klasifikac\u00ed r\u016fzn\u00fdch typ\u016f trubkov\u00fdch v\u00fdm\u011bn\u00edk\u016f tepla.<\/p>\n
Tepeln\u00e9 za\u0159\u00edzen\u00ed se obvykle skl\u00e1d\u00e1 z pl\u00e1\u0161t\u011b s krytem kan\u00e1lu, kter\u00fd je vybaven p\u0159ep\u00e1\u017ekami. Vnit\u0159ek tohoto kan\u00e1lu je vylo\u017een trubkovou deskou, na n\u00ed\u017e jsou um\u00edst\u011bny trubky. Ka\u017ed\u00e1 trubkov\u00e1 deska m\u00e1 vlastn\u00ed upev\u0148ovac\u00ed sedlo vybaven\u00e9 kruhov\u00fdmi souos\u00fdmi sedly, kter\u00e1 jsou ur\u010dena k uchycen\u00ed koncov\u00fdch \u010d\u00e1st\u00ed trubek z karbidu k\u0159em\u00edku.<\/p>\n
Trubky z karbidu k\u0159em\u00edku jsou ut\u011bsn\u011bny pomoc\u00ed O-krou\u017ek\u016f z perfluoroelastomeru (PFKM), kter\u00e9 jsou sou\u010dasn\u011b natla\u010deny na ob\u011b trubkov\u00e9 desky, \u010d\u00edm\u017e vznik\u00e1 dvojit\u00e9 t\u011bsn\u011bn\u00ed chr\u00e1n\u00edc\u00ed v\u00fdm\u011bn\u00edk tepla p\u0159ed agresivn\u00edmi chemik\u00e1liemi i vysok\u00fdmi teplotami a tlaky. \u0158ada trubkov\u00fdch v\u00fdm\u011bn\u00edk\u016f SR a blokov\u00fdch v\u00fdm\u011bn\u00edk\u016f SE spole\u010dnosti Corresic nab\u00edz\u00ed \u0161irokou \u0161k\u00e1lu \u0159e\u0161en\u00ed pro vysoce korozivn\u00ed nebo abrazivn\u00ed pr\u016fmyslov\u00e9 procesy, v\u010detn\u011b \u0159ed\u011bn\u00ed koncentrovan\u00e9 kyseliny s\u00edrov\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon Carbide Shell and Tube Heat Exchanger Corrosion resistant silicon carbide shell and tube heat exchangers are designed for cooling, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","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":"","theme-transparent-header-meta":"default","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-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-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-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-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-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-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-329","post","type-post","status-publish","format-standard","hentry","category-product-related"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/comments?post=329"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/329\/revisions"}],"predecessor-version":[{"id":330,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/329\/revisions\/330"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/media?parent=329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/categories?post=329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/tags?post=329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}