{"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":"

Silicon Carbide FGD spray nozzles Silicon Carbide (SiC) is an exceptionally hard refractory ceramic material composed of silica and carbon that has proven popular among refractories and corrosion resistant worldwide. our FGD silicon carbide nozzles for limestone wet desulfurization systems stand out with their uniform droplet distribution and smooth flow channel, free from any blocking […]<\/p>\n","protected":false},"author":1,"featured_media":621,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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}]}}