{"id":591,"date":"2024-04-13T20:57:36","date_gmt":"2024-04-13T12:57:36","guid":{"rendered":"https:\/\/siliconcarbide.net\/?p=591"},"modified":"2024-07-12T19:31:21","modified_gmt":"2024-07-12T11:31:21","slug":"strikaci-trysky-z-karbidu-kremiku-fgd","status":"publish","type":"post","link":"https:\/\/siliconcarbide.net\/cs\/silicon-carbide-fgd-spray-nozzles\/","title":{"rendered":"Rozpra\u0161ovac\u00ed trysky FGD z karbidu k\u0159em\u00edku"},"content":{"rendered":"

Rozpra\u0161ovac\u00ed trysky FGD z karbidu k\u0159em\u00edku<\/h1>\n

Karbid k\u0159em\u00edku (SiC) je mimo\u0159\u00e1dn\u011b tvrd\u00fd \u017e\u00e1ruvzdorn\u00fd keramick\u00fd materi\u00e1l slo\u017een\u00fd z oxidu k\u0159emi\u010dit\u00e9ho a uhl\u00edku, kter\u00fd se celosv\u011btov\u011b osv\u011bd\u010dil jako obl\u00edben\u00fd mezi \u017e\u00e1ruvzdorn\u00fdmi materi\u00e1ly a odoln\u00fd proti korozi. na\u0161e trysky z karbidu k\u0159em\u00edku pro syst\u00e9my mokr\u00e9ho ods\u00ed\u0159en\u00ed v\u00e1pence vynikaj\u00ed rovnom\u011brn\u00fdm rozlo\u017een\u00edm kapek a hladk\u00fdm pr\u016ftokov\u00fdm kan\u00e1lem bez jak\u00e9hokoli blokovac\u00edho jevu. Jejich odolnost proti korozi, oxidaci a vysok\u00fdm teplot\u00e1m je p\u016fsobiv\u00e1.<\/p>\n

Vysok\u00e1 odolnost proti korozi<\/h2>\n

Keramika z karbidu k\u0159em\u00edku (SiC) je navr\u017eena pro vynikaj\u00edc\u00ed chemickou odolnost a lze ji tvarovat do velmi slo\u017eit\u00fdch tvar\u016f. Keramika SiC nab\u00edz\u00ed \u0161irok\u00fd p\u00e1sov\u00fd odstup, dobrou tepelnou vodivost, n\u00edzk\u00fd koeficient tepeln\u00e9 rozta\u017enosti a vysokou tvrdost - vlastnosti, kter\u00e9 zaji\u0161\u0165uj\u00ed v\u011bt\u0161\u00ed odolnost proti kysel\u00e9 korozi a oxidaci ne\u017e jak\u00fdkoli jin\u00fd materi\u00e1l.<\/p>\n

SiC je \u0161iroce pou\u017e\u00edv\u00e1n jako materi\u00e1l pro mokr\u00e9 rozpra\u0161ovac\u00ed trysky pro syst\u00e9my ods\u00ed\u0159en\u00ed spalin v elektr\u00e1rn\u00e1ch a velk\u00fdch kotl\u00edch d\u00edky sv\u00e9 vynikaj\u00edc\u00ed odolnosti proti kysel\u00e9 korozi, proto\u017ee na sv\u00e9m povrchu vytv\u00e1\u0159\u00ed oxidovou bari\u00e9ru, kter\u00e1 zabra\u0148uje p\u0159\u00edm\u00e9 reakci mezi substr\u00e1tem a \u00fato\u010d\u00edc\u00edmi l\u00e1tkami a tak\u00e9 dopl\u0148ov\u00e1n\u00ed z vodn\u00e9ho prost\u0159ed\u00ed.<\/p>\n

Vysok\u00e1 tvrdost<\/h2>\n

Trysky z karbidu k\u0159em\u00edku s vysokou tvrdost\u00ed vydr\u017e\u00ed n\u00e1ro\u010dn\u00e9 prost\u0159ed\u00ed s mal\u00fdm rizikem zlomen\u00ed, co\u017e pom\u00e1h\u00e1 vyhnout se n\u00e1kladn\u00fdm zlomen\u00edm trysek v d\u016fsledku tlakov\u00fdch r\u00e1z\u016f p\u0159i spou\u0161t\u011bn\u00ed, pokus\u016f o uvoln\u011bn\u00ed ucpan\u00fdch trysek nebo b\u011b\u017en\u00fdch \u010dinnost\u00ed \u00fadr\u017eby, jako je chemick\u00e9 \u010di\u0161t\u011bn\u00ed.<\/p>\n

Slinut\u00fd karbid k\u0159em\u00edku (SiC) je d\u00edky sv\u00e9 vynikaj\u00edc\u00ed tvrdosti hlavn\u00ed keramickou alternativou karbidu wolframu pro aplikace tryskac\u00edch trysek. Trvanlivost SiC tak\u00e9 umo\u017e\u0148uje efektivn\u011b udr\u017eovat vnit\u0159n\u00ed geometrii a z\u00e1rove\u0148 omezovat opot\u0159eben\u00ed trysek pro optim\u00e1ln\u00ed \u00fa\u010dinnost a minim\u00e1ln\u00ed opot\u0159eben\u00ed.<\/p>\n

Reak\u010dn\u011b v\u00e1zan\u00fd karbid k\u0159em\u00edku (RBSC\/SiSiC) je univerz\u00e1ln\u00ed \u017e\u00e1ruvzdorn\u00fd keramick\u00fd materi\u00e1l, kter\u00fd lze tvarovat do nosn\u00edk\u016f, v\u00e1lc\u016f, trubek chladic\u00edho vzduchu, ochrann\u00fdch trubek termo\u010dl\u00e1nk\u016f, trubek pro m\u011b\u0159en\u00ed teploty a dal\u0161\u00edch speci\u00e1ln\u00edch tvarov\u00fdch konstruk\u010dn\u00edch d\u00edl\u016f. RBSC m\u00e1 vynikaj\u00edc\u00ed pevnost, tvrdost, odolnost proti ot\u011bru, odolnost proti korozi, oxidaci a tepeln\u00fdm \u0161ok\u016fm - d\u00edky tomu je jedn\u00edm z nejvyhled\u00e1van\u011bj\u0161\u00edch \u017e\u00e1ruvzdorn\u00fdch materi\u00e1l\u016f pou\u017e\u00edvan\u00fdch v energetice a v syst\u00e9mech ods\u00ed\u0159en\u00ed spalin velk\u00fdch kotl\u016f.<\/p>\n

Odolnost proti vysok\u00fdm teplot\u00e1m<\/h2>\n

Odolnost trysek proti opot\u0159eben\u00ed je hlavn\u00edm faktorem ur\u010duj\u00edc\u00edm jejich \u017eivotnost. Mezi tradi\u010dn\u00ed materi\u00e1ly trysek pat\u0159\u00ed keramika, nerezov\u00e1 ocel, mosaz a polymery - p\u0159i\u010dem\u017e polymer je odoln\u011bj\u0161\u00ed ne\u017e keramika, ale m\u00e9n\u011b tvrd\u00fd ne\u017e nerezov\u00e1 ocel a mosaz. Jedn\u00edm ze zp\u016fsob\u016f, jak zv\u00fd\u0161it odolnost trysek z polymer\u016f proti opot\u0159eben\u00ed, je pou\u017eit\u00ed disperzn\u00edch plniv.<\/p>\n

Slinut\u00fd karbid k\u0159em\u00edku je vynikaj\u00edc\u00ed volbou materi\u00e1lu pro t\u011bsnic\u00ed plochy chemick\u00fdch \u010derpadel. Odol\u00e1v\u00e1 korozi, ot\u011bru, n\u00e1raz\u016fm a snadno se opracov\u00e1v\u00e1, co\u017e zaru\u010duje dlouhou \u017eivotnost a spolehliv\u00fd v\u00fdkon se sn\u00ed\u017een\u00fdm kluzn\u00fdm t\u0159en\u00edm proti r\u016fzn\u00fdm kryc\u00edm materi\u00e1l\u016fm.<\/p>\n

Rozpra\u0161ovac\u00ed trysky FGD jsou z\u00e1kladn\u00edmi sou\u010d\u00e1stmi tepeln\u00fdch elektr\u00e1ren, velk\u00fdch kotl\u016f a odsi\u0159ovac\u00edch za\u0159\u00edzen\u00ed. Jejich pou\u017eit\u00ed zahrnuje v\u00ed\u0159iv\u00e9 trysky v\u00ed\u0159iv\u00e9ho typu spir\u00e1lov\u00e9ho typu kapalinov\u00e9ho sloupcov\u00e9ho typu dut\u00fdch ku\u017eelov\u00fdch trysek; s rovnom\u011brn\u011b rozpt\u00fdlen\u00fdmi kapkami spreje, kter\u00e9 plynule proud\u00ed bez ucp\u00e1v\u00e1n\u00ed v jejich pr\u016ftokov\u00fdch kan\u00e1lech; na\u0161e spole\u010dnost vyr\u00e1b\u00ed r\u016fzn\u00e9 druhy trysek FGD vhodn\u00fdch pro r\u016fzn\u00e1 pou\u017eit\u00ed.<\/p>\n

Vysok\u00e1 pevnost<\/h2>\n

Slinut\u00fd karbid k\u0159em\u00edku vynik\u00e1 vynikaj\u00edc\u00ed pevnost\u00ed a tvrdost\u00ed, tak\u017ee je vynikaj\u00edc\u00ed alternativou karbidu wolframu pro tryskac\u00ed trysky. D\u00edky sv\u00e9 odolnosti v\u016f\u010di erozi a korozi je vhodn\u00fd pro aplikace trysek pro trysk\u00e1n\u00ed FGD, zat\u00edmco jeho dlouh\u00e1 \u017eivotnost sni\u017euje n\u00e1roky na kompresor a prostoje spojen\u00e9 s v\u00fdm\u011bnou trysek pro trysk\u00e1n\u00ed.<\/p>\n

nab\u00edz\u00edme \u0161irok\u00fd v\u00fdb\u011br trysek FGD vhodn\u00fdch pro syst\u00e9my mokr\u00e9ho ods\u00ed\u0159en\u00ed spalin v\u00e1pencem, v\u010detn\u011b trysek pro rozst\u0159ikov\u00e1n\u00ed absorb\u00e9ru, trysek oxida\u010dn\u00edho vzduchu a recykla\u010dn\u00edch kalov\u00fdch \u010derpadel. Trysky FGD jsou ned\u00edlnou sou\u010d\u00e1st\u00ed ka\u017ed\u00e9ho syst\u00e9mu FGD, a pokud chcete dos\u00e1hnout optim\u00e1ln\u00edho v\u00fdkonu, mus\u00ed vydr\u017eet.<\/p>\n

Trysky z keramick\u00fdch materi\u00e1l\u016f odoln\u00fdch proti ot\u011bru jsou ide\u00e1ln\u00ed volbou pro trysky FGD, proto\u017ee chr\u00e1n\u00ed p\u0159ed eroz\u00ed a koroz\u00ed z pop\u00edlkov\u00e9 suspenze, maj\u00ed vy\u0161\u0161\u00ed modul p\u0159etr\u017een\u00ed (MOR) a zvl\u00e1dnou nam\u00e1h\u00e1n\u00ed spojen\u00e9 s \u010dast\u00fdmi cykly spou\u0161t\u011bn\u00ed a odstavov\u00e1n\u00ed. Jejich MOR je obvykle p\u011btkr\u00e1t a\u017e sedmkr\u00e1t vy\u0161\u0161\u00ed ne\u017e u jin\u00fdch keramick\u00fdch materi\u00e1l\u016f, co\u017e umo\u017e\u0148uje odl\u00e9vat trysky RBSC do slo\u017eit\u011bj\u0161\u00edch tvar\u016f ne\u017e SNBSC.<\/p>\n

Dlouh\u00e1 \u017eivotnost<\/h2>\n

Keramika z karbidu k\u0159em\u00edku je tvrd\u00fd a odoln\u00fd materi\u00e1l ide\u00e1ln\u00ed pro pou\u017eit\u00ed v drsn\u00e9m prost\u0159ed\u00ed. Jejich n\u00edzk\u00e1 tepeln\u00e1 rozta\u017enost znamen\u00e1, \u017ee je lze pou\u017e\u00edvat i p\u0159i vy\u0161\u0161\u00edch teplot\u00e1ch, ani\u017e by se v\u00fdrazn\u011b zv\u00fd\u0161ila tepeln\u00e1 rozta\u017enost, co\u017e pom\u00e1h\u00e1 p\u0159edch\u00e1zet po\u0161kozen\u00ed nebo poruch\u00e1m zp\u016fsoben\u00fdm vibracemi, n\u00e1razy nebo kol\u00eds\u00e1n\u00edm teploty. Krom\u011b toho je tato keramika odoln\u00e1 v\u016f\u010di kyselin\u00e1m a chemik\u00e1li\u00edm zp\u016fsobuj\u00edc\u00edm korozi a tak\u00e9 poskytuje ochranu proti po\u0161kozen\u00ed nebo poru\u0161e zp\u016fsoben\u00e9 vibracemi, ot\u0159esy nebo kol\u00eds\u00e1n\u00edm teploty. Trysky FGD mus\u00ed spolehliv\u011b fungovat po del\u0161\u00ed dobu v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch, v\u010detn\u011b vysok\u00fdch teplot a koroze, kter\u00e9 se vyskytuj\u00ed v uheln\u00fdch elektr\u00e1rn\u00e1ch. V\u00fdb\u011br vhodn\u00fdch trysek m\u016f\u017ee zajistit optim\u00e1ln\u00ed pr\u016fb\u011bh procesu. Trysky z karbidu k\u0159em\u00edku p\u0159evy\u0161uj\u00ed ty ocelov\u00e9, proto\u017ee jsou odoln\u011bj\u0161\u00ed a maj\u00ed dlouhou \u017eivotnost; \u0161et\u0159\u00ed tak pen\u00edze a prostoje zp\u016fsoben\u00e9 n\u00e1klady na nepl\u00e1novanou \u00fadr\u017ebu. podle pot\u0159eb va\u0161\u00ed aplikace jsou k dispozici r\u016fzn\u00e9 trysky FGD, z nich\u017e si m\u016f\u017eete vybrat, v\u010detn\u011b trysek s dut\u00fdm ku\u017eelem, v\u00ed\u0159iv\u00fdch tangenci\u00e1ln\u00edch trysek a trysek ve tvaru X. Velk\u00fd pr\u016fm\u011br voln\u00e9ho pr\u016fchodu trysek tvaru X umo\u017e\u0148uje m\u00e9n\u011b \u010dast\u00e9 ucp\u00e1v\u00e1n\u00ed a \u00fadr\u017ebu a z\u00e1rove\u0148 je konstruk\u010dn\u011b dostate\u010dn\u011b pevn\u00fd, aby odolal tlakov\u00fdm r\u00e1z\u016fm p\u0159i spou\u0161t\u011bn\u00ed nebo p\u0159i \u010di\u0161t\u011bn\u00ed zablokovan\u00fdch trysek.<\/p>\n

\"Rozpra\u0161ovac\u00ed<\/a><\/p>","protected":false},"excerpt":{"rendered":"

St\u0159\u00edkac\u00ed trysky z karbidu k\u0159em\u00edku pro syst\u00e9my FGD Karbid k\u0159em\u00edku (SiC) je mimo\u0159\u00e1dn\u011b tvrd\u00fd \u017e\u00e1ruvzdorn\u00fd keramick\u00fd materi\u00e1l slo\u017een\u00fd z oxidu k\u0159emi\u010dit\u00e9ho a uhl\u00edku, kter\u00fd se celosv\u011btov\u011b t\u011b\u0161\u00ed velk\u00e9 oblib\u011b mezi \u017e\u00e1ruvzdorn\u00fdmi materi\u00e1ly a materi\u00e1ly odoln\u00fdmi proti korozi. Na\u0161e trysky z karbidu k\u0159em\u00edku pro syst\u00e9my mokr\u00e9ho ods\u00ed\u0159en\u00ed v\u00e1pencem v syst\u00e9mech FGD vynikaj\u00ed rovnom\u011brn\u00fdm rozptylem kapek a hladk\u00fdm pr\u016ftokov\u00fdm kan\u00e1lem, kter\u00fd se nezan\u00e1\u0161ej\u00ed\u2026 <\/p>","protected":false},"author":1,"featured_media":621,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-591","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sic-ceramic-nozzle"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/591","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/comments?post=591"}],"version-history":[{"count":5,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/591\/revisions"}],"predecessor-version":[{"id":593,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/posts\/591\/revisions\/593"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/media\/621"}],"wp:attachment":[{"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/media?parent=591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/categories?post=591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbide.net\/cs\/wp-json\/wp\/v2\/tags?post=591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}