{"id":67,"date":"2024-09-26T05:00:55","date_gmt":"2024-09-26T05:00:55","guid":{"rendered":"https:\/\/pwhtsolutions.net\/?p=67"},"modified":"2024-09-26T05:00:55","modified_gmt":"2024-09-26T05:00:55","slug":"seznam-zarizeni-pwht","status":"publish","type":"post","link":"https:\/\/pwhtsolutions.net\/cs\/pwht-equipment-list\/","title":{"rendered":"Seznam za\u0159\u00edzen\u00ed PWHT"},"content":{"rendered":"

PWHT (tepeln\u00e9 zpracov\u00e1n\u00ed po sva\u0159ov\u00e1n\u00ed) ozna\u010duje \u0159adu proces\u016f, jejich\u017e c\u00edlem je zajistit, aby svary a spoje \u00fa\u010dinn\u011b fungovaly za p\u0159edpokl\u00e1dan\u00fdch provozn\u00edch podm\u00ednek. M\u016f\u017ee se jednat o odstra\u0148ov\u00e1n\u00ed pnut\u00ed, p\u0159edeh\u0159\u00edv\u00e1n\u00ed, tepeln\u00e9 zpracov\u00e1n\u00ed po sva\u0159ov\u00e1n\u00ed a mezivrstvov\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed.<\/p>\n

Na trhu je k dispozici \u0161irok\u00e1 \u0161k\u00e1la za\u0159\u00edzen\u00ed pro tepeln\u00e9 zpracov\u00e1n\u00ed po sva\u0159ov\u00e1n\u00ed (PWHT) a tento \u010dl\u00e1nek p\u0159edstav\u00ed n\u011bkter\u00e9 z nej\u010dast\u011bji pou\u017e\u00edvan\u00fdch typ\u016f.<\/p>\n

1. Stroje pro tepeln\u00e9 zpracov\u00e1n\u00ed<\/h2>\n

Za\u0159\u00edzen\u00ed pro induk\u010dn\u00ed tepeln\u00e9 zpracov\u00e1n\u00ed nab\u00edzej\u00ed celou \u0159adu mo\u017enost\u00ed, v\u010detn\u011b kalen\u00ed (povrchov\u00e9ho a pr\u016fchoz\u00edho), zm\u011bk\u010dov\u00e1n\u00ed, popou\u0161t\u011bn\u00ed, odstra\u0148ov\u00e1n\u00ed nap\u011bt\u00ed a normalizace. Za\u0159\u00edzen\u00ed pro tepeln\u00e9 zpracov\u00e1n\u00ed po sva\u0159ov\u00e1n\u00ed (PWHT) se \u0161iroce vyu\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch odv\u011btv\u00edch, jako je automobilov\u00fd pr\u016fmysl, v\u00fdroba \u017eelezni\u010dn\u00edch voz\u016f, jadern\u00e9 elektr\u00e1rny a t\u011b\u017eebn\u00ed pr\u016fmysl; p\u0159esn\u00e9 lok\u00e1ln\u00ed oh\u0159\u00edv\u00e1n\u00ed omezuje tepeln\u00e9 ztr\u00e1ty a deformace, \u010d\u00edm\u017e se zvy\u0161uje v\u00fdrobn\u00ed v\u00fdkon.<\/p>\n

Spole\u010dnost Byington Steel nab\u00edz\u00ed \u0159e\u0161en\u00ed pro p\u0159edeh\u0159ev, mezivrstvov\u00e9 oh\u0159evy, oh\u0159evy po sva\u0159ov\u00e1n\u00ed nebo odstra\u0148ov\u00e1n\u00ed pnut\u00ed a\u017e do teploty 2 150 stup\u0148\u016f F, a to s izolac\u00ed z \u017e\u00e1ruvzdorn\u00fdch cihel o tlou\u0161\u0165ce \u010dty\u0159 palc\u016f dopln\u011bnou tepeln\u00fdmi bari\u00e9rami \u2013 bez ohledu na teplotn\u00ed po\u017eadavky va\u0161\u00ed aplikace. Na\u0161e stroje disponuj\u00ed plnou regulac\u00ed teploty a\u017e do 2 150 stup\u0148\u016f F a jsou chr\u00e1n\u011bny tepeln\u00fdmi bari\u00e9rami, kter\u00e9 zaji\u0161\u0165uj\u00ed dodate\u010dnou izolaci.<\/p>\n

Spole\u010dnost Byington Steel nab\u00edz\u00ed p\u0159enosnou vysokoteplotn\u00ed pec s \u017e\u00e1ruvzdornou v\u00fdstelkou, ur\u010denou pro n\u00e1stroj\u00e1rnu a p\u0159esn\u00e9 odl\u00e9v\u00e1n\u00ed uhl\u00edkov\u00e9 oceli, litiny a hlin\u00edku p\u0159i teplot\u00e1ch a\u017e 2 150 stup\u0148\u016f F. Pec je vybavena digit\u00e1ln\u00edm ovl\u00e1d\u00e1n\u00edm a bezpe\u010dnostn\u00edm syst\u00e9mem proti p\u0159eh\u0159\u00e1t\u00ed pro maxim\u00e1ln\u00ed provozn\u00ed teplotu, kter\u00e1 m\u016f\u017ee dos\u00e1hnout 2 150 stup\u0148\u016f Fahrenheita; dal\u0161\u00ed informace o tomto za\u0159\u00edzen\u00ed najdete v technick\u00e9m listu zde. V sou\u010dasn\u00e9 dob\u011b m\u00e1me na sklad\u011b n\u00e1\u0161 produkt FireBox-HT, proto n\u00e1s nev\u00e1hejte kontaktovat ohledn\u011b va\u0161ich pot\u0159eb v oblasti PWHT! Spole\u010dnost Byington Steel je l\u00eddrem v oboru pr\u016fmyslov\u00e9ho vybaven\u00ed a spot\u0159ebn\u00edho materi\u00e1lu!<\/p>\n

2. P\u0159edeh\u0159\u00edva\u010de<\/h2>\n

P\u0159edeh\u0159\u00edva\u010de jsou nezbytnou sou\u010d\u00e1st\u00ed mnoha pr\u016fmyslov\u00fdch proces\u016f, p\u0159i nich\u017e doch\u00e1z\u00ed k oh\u0159evu kapalin, plyn\u016f nebo pevn\u00fdch l\u00e1tek. T\u00edm, \u017ee zvy\u0161uj\u00ed teplotu p\u0159ed vstupem do zpracovatelsk\u00e9 jednotky, sni\u017euj\u00ed p\u0159edeh\u0159\u00edva\u010de tepeln\u00e9 nam\u00e1h\u00e1n\u00ed za\u0159\u00edzen\u00ed a z\u00e1rove\u0148 zvy\u0161uj\u00ed \u00fa\u010dinnost a v\u00fdkon. P\u0159edeh\u0159\u00edva\u010de se pou\u017e\u00edvaj\u00ed v ropn\u00fdch rafin\u00e9ri\u00edch ke zlep\u0161en\u00ed separa\u010dn\u00edch a konverzn\u00edch proces\u016f, zat\u00edmco chemick\u00e9 z\u00e1vody je vyu\u017e\u00edvaj\u00ed k zaji\u0161t\u011bn\u00ed toho, aby reak\u010dn\u00ed l\u00e1tky dos\u00e1hly ide\u00e1ln\u00ed teploty p\u0159ed zah\u00e1jen\u00edm reakce.<\/p>\n

Tyto jednotky se skl\u00e1daj\u00ed ze hadovit\u011b vinut\u00fdch \u017eebrovan\u00fdch trubek uvnit\u0159 ocelov\u00e9ho pl\u00e1\u0161t\u011b, jimi\u017e proud\u00ed oh\u0159\u00e1t\u00e1 term\u00e1ln\u00ed kapalina, kter\u00e1 oh\u0159\u00edv\u00e1 kapalinu v jejich okol\u00ed. Tato hadovit\u00e1 konfigurace zv\u011bt\u0161uje povrchovou plochu p\u0159ibli\u017en\u011b o 800% ve srovn\u00e1n\u00ed s hol\u00fdmi trubkami, co\u017e umo\u017e\u0148uje mnohem \u00fa\u010dinn\u011bj\u0161\u00ed p\u0159enos tepla, ne\u017e jak\u00e9ho lze dos\u00e1hnout pomoc\u00ed tradi\u010dn\u00edch trubkov\u00fdch svazk\u016f; modula\u010dn\u00ed regulace tak\u00e9 umo\u017e\u0148uje p\u0159esnou regulaci teploty s odchylkou v \u0159\u00e1du stup\u0148\u016f od po\u017eadovan\u00e9 nastaven\u00e9 hodnoty.<\/p>\n

P\u0159edeh\u0159\u00edva\u010de vzduchu se vyr\u00e1b\u011bj\u00ed bu\u010f v trubkov\u00e9m, nebo v odlitkov\u00e9m proveden\u00ed. Po vyroben\u00ed v d\u00edln\u011b jsou tyto moduly d\u016fkladn\u011b smontov\u00e1ny a podrobeny zkou\u0161ce t\u011bsnosti, aby byl zaji\u0161t\u011bn bez\u00fanikov\u00fd provoz na m\u00edst\u011b instalace. Modul\u00e1rn\u00ed konstrukce zkracuje dobu instalace v z\u00e1vod\u011b a umo\u017e\u0148uje odstran\u011bn\u00ed vodn\u00edho kamene nebo usazenin uvnit\u0159 modul\u016f za provozu, ani\u017e by do\u0161lo k p\u0159eru\u0161en\u00ed v\u00fdroby. P\u0159edeh\u0159\u00edva\u010de jsou rovn\u011b\u017e vybaveny velk\u00fdmi v\u00fdtla\u010dn\u00fdmi p\u00edsty poh\u00e1n\u011bn\u00fdmi hydraulick\u00fdmi agreg\u00e1ty s redundantn\u00edmi \u010derpadly, co\u017e zaji\u0161\u0165uje vysokou dostupnost a spolehlivost syst\u00e9mu.<\/p>\n

3. Po sva\u0159ov\u00e1n\u00ed<\/h2>\n

Tepeln\u00e9 zpracov\u00e1n\u00ed po sva\u0159ov\u00e1n\u00ed (PWHT) spo\u010d\u00edv\u00e1 v oh\u0159evu v\u0161ech svar\u016f na teploty vy\u0161\u0161\u00ed ne\u017e jsou teploty z\u00e1kladn\u00edch materi\u00e1l\u016f, a to za \u00fa\u010delem sn\u00ed\u017een\u00ed zbytkov\u00fdch nap\u011bt\u00ed a zabr\u00e1n\u011bn\u00ed z\u00e1va\u017en\u00e9mu zkreslen\u00ed nebo zkolabov\u00e1n\u00ed konstrukc\u00ed v p\u0159\u00edpad\u011b nespr\u00e1vn\u00e9ho proveden\u00ed. PWHT je vy\u017eadov\u00e1no mnoha sva\u0159ovac\u00edmi normami pro kovy, jako jsou vysoce kvalitn\u00ed uhl\u00edkov\u00e1 ocel, ocel zpevn\u011bn\u00e1 tv\u00e1\u0159en\u00edm a nerezov\u00e1 ocel.<\/p>\n

Trhliny vyvolan\u00e9 vod\u00edkem (HIC) mohou p\u0159edstavovat mimo\u0159\u00e1dn\u011b z\u00e1va\u017enou hrozbu pro d\u00e1lkov\u00e9 potrubn\u00ed rozvody a velk\u00e9 tlakov\u00e9 n\u00e1doby, v nich\u017e se p\u0159epravuj\u00ed kapaln\u00e9 a plynn\u00e9 uhlovod\u00edky. K HIC doch\u00e1z\u00ed, kdy\u017e vod\u00edk pronik\u00e1 do svar\u016f a zp\u016fsobuje nahromad\u011bn\u00ed nap\u011bt\u00ed, kter\u00e9 nakonec vede k prasknut\u00ed svar\u016f. Dodate\u010dn\u00e9 zah\u0159\u00edv\u00e1n\u00ed m\u016f\u017ee HIC minimalizovat t\u00edm, \u017ee rozpt\u00fdl\u00ed vod\u00edk pry\u010d z oblast\u00ed svar\u016f je\u0161t\u011b p\u0159edt\u00edm, ne\u017e dojde k ochlazen\u00ed na okoln\u00ed teplotu.<\/p>\n

Pro tento \u00fakon je nutn\u00e9 svar a okoln\u00ed z\u00e1kladn\u00ed materi\u00e1l zah\u0159\u00e1t na ur\u010ditou teplotu a udr\u017eet je v tomto stavu po dobu, kter\u00e1 se odv\u00edj\u00ed od tlou\u0161\u0165ky materi\u00e1lu. Tento proces obvykle zahrnuje lok\u00e1ln\u011b um\u00edst\u011bn\u00e9 topn\u00e9 prvky rozm\u00edst\u011bn\u00e9 po obvodu svaru nebo v z\u00f3n\u011b ovlivn\u011bn\u00e9 teplem (HAZ); tepeln\u00e1 izolace pom\u00e1h\u00e1 zajistit, aby teplo neunikalo do oblast\u00ed, kter\u00e9 vyh\u0159\u00edv\u00e1n\u00ed nepot\u0159ebuj\u00ed; normy a provozn\u00ed po\u017eadavky stanovuj\u00ed \u010das a teplotn\u00ed rozsah pro udr\u017eov\u00e1n\u00ed teploty.<\/p>","protected":false},"excerpt":{"rendered":"

PWHT (Post Weld Heat Treatment) ozna\u010duje \u0159adu proces\u016f pou\u017e\u00edvan\u00fdch k zaji\u0161t\u011bn\u00ed efektivn\u00ed funkce svar\u016f a spoj\u016f v ur\u010den\u00fdch provozn\u00edch podm\u00ednk\u00e1ch. M\u016f\u017ee zahrnovat uvol\u0148ov\u00e1n\u00ed nap\u011bt\u00ed, p\u0159edeh\u0159ev, n\u00e1sledn\u00fd svar a mezisva\u0159ov\u00e1n\u00ed. K dispozici je cel\u00e1 \u0159ada za\u0159\u00edzen\u00ed PWHT a v tomto \u010dl\u00e1nku budou pops\u00e1ny n\u011bkter\u00e9 z nej\u010dast\u011bji pou\u017e\u00edvan\u00fdch typ\u016f. 1. ... <\/p>\n

P\u0159e\u010dt\u011bte si v\u00edce “PWHT Equipment List”<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-67","post","type-post","status-publish","format-standard","hentry","category-pwht-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/posts\/67","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/comments?post=67"}],"version-history":[{"count":1,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/posts\/67\/revisions"}],"predecessor-version":[{"id":68,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/posts\/67\/revisions\/68"}],"wp:attachment":[{"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/media?parent=67"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/categories?post=67"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/tags?post=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}