{"id":559,"date":"2024-06-06T10:05:08","date_gmt":"2024-06-06T02:05:08","guid":{"rendered":"https:\/\/www.cmecsteel.com\/?post_type=products&p=559"},"modified":"2024-08-02T11:14:29","modified_gmt":"2024-08-02T03:14:29","slug":"heat-exchanger","status":"publish","type":"products","link":"https:\/\/www.cmecsteel.com\/cs\/products\/heat-exchanger\/","title":{"rendered":"Vysoce v\u00fdkonn\u00fd v\u00fdm\u011bn\u00edk tepla \u0159e\u0161\u00ed probl\u00e9my tepeln\u00e9ho hospod\u00e1\u0159stv\u00ed v pr\u016fmyslov\u00fdch aplikac\u00edch"},"content":{"rendered":"

Podrobnosti o produktu<\/span><\/p>\n

N\u00e1\u0161 v\u00fdm\u011bn\u00edk tepla je \u0161iroce a hojn\u011b vyu\u017e\u00edv\u00e1n v mnoha oblastech, jako je chemick\u00e9 zpracov\u00e1n\u00ed, v\u00fdroba energie a syst\u00e9my HVAC, a to d\u00edky sv\u00e9 vysok\u00e9 \u00fa\u010dinnosti p\u0159enosu tepla, siln\u00e9 odolnosti, \u00faspo\u0159e energie a ochran\u011b \u017eivotn\u00edho prost\u0159ed\u00ed a mnoha dal\u0161\u00edm vynikaj\u00edc\u00edm vlastnostem v\u00fdrobku; n\u00e1\u0161 v\u00fdm\u011bn\u00edk tepla pomohl z\u00e1kazn\u00edk\u016fm dos\u00e1hnout mnoha zlep\u0161en\u00ed, jako je zlep\u0161en\u00ed \u00fa\u010dinnosti v\u00fdm\u011bny tepla, sn\u00ed\u017een\u00ed \u010detnosti \u00fadr\u017eby a sn\u00ed\u017een\u00ed spot\u0159eby energie, co\u017e jim pom\u00e1h\u00e1 zlep\u0161it provozn\u00ed \u00fa\u010dinnost v\u00fdrobk\u016f a projekt\u016f, zv\u00fd\u0161it m\u00edru v\u00fdt\u011b\u017enosti a sn\u00ed\u017eit provozn\u00ed n\u00e1klady. Za \u00fa\u010delem dosa\u017een\u00ed t\u011bchto zm\u011bn na\u0161e spole\u010dnost zlep\u0161ila a optimalizovala kvalitu materi\u00e1lu, v\u00fdrobn\u00ed proces a povrchovou \u00fapravu Heat Exchangeru prost\u0159ednictv\u00edm dlouhodob\u00e9ho v\u00fdzkumu v\u00fdrobk\u016f a zlep\u0161ov\u00e1n\u00ed technologi\u00ed; z\u00e1rove\u0148 budeme tak\u00e9 pravideln\u011b komunikovat se z\u00e1kazn\u00edky o technick\u00fdch pot\u0159eb\u00e1ch, zp\u011btn\u00e9 vazb\u011b z trhu a n\u00e1vrz\u00edch na zlep\u0161en\u00ed v\u00fdrobk\u016f, abychom z\u00edskali nejnov\u011bj\u0161\u00ed pot\u0159eby trhu a aktu\u00e1ln\u00ed bolestiv\u00e9 body trhu, a zlep\u0161ili tak na\u0161e schopnosti zpracov\u00e1n\u00ed v\u00fdrobk\u016f na m\u00edru.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Specifikace produktu<\/span><\/p>\n

Materi\u00e1l: vysoce pevn\u00e1 nerezov\u00e1 ocel, slitina titanu, slitina hlin\u00edku atd.<\/span><\/p>\n

Typy povrchov\u00fdch \u00faprav: antikorozn\u00ed n\u00e1t\u011br, eloxov\u00e1n\u00ed, ochrana n\u00e1t\u011brem atd.<\/span><\/p>\n

Rozsah tolerance: \u00b10,01 mm<\/span><\/p>\n

Metody zpracov\u00e1n\u00ed: p\u0159esn\u00e9 kov\u00e1n\u00ed, CNC soustru\u017een\u00ed, CNC fr\u00e9zov\u00e1n\u00ed atd.<\/span><\/p>\n

Kontrola kvality: ultrazvukov\u00e1 detekce vad, tlakov\u00e1 zkou\u0161ka, t\u0159\u00edsou\u0159adnicov\u00fd m\u011b\u0159ic\u00ed p\u0159\u00edstroj.<\/span><\/p>\n

Jedine\u010dn\u00e9 prodejn\u00ed v\u00fdhody produktu<\/span><\/p>\n

Prodejn\u00ed bod 1: S ohledem na probl\u00e9m n\u00edzk\u00e9 \u00fa\u010dinnosti v\u00fdm\u011bny tepla v sou\u010dasn\u00e9m chemick\u00e9m pr\u016fmyslu provedla na\u0161e spole\u010dnost c\u00edlen\u00e9 \u00fapravy v\u00fdm\u011bn\u00edku tepla. Na\u0161e spole\u010dnost inovovala konstruk\u010dn\u00ed \u0159e\u0161en\u00ed v\u00fdm\u011bn\u00edku tepla a inovativn\u011b vy\u0159e\u0161ila probl\u00e9m n\u00edzk\u00e9 \u00fa\u010dinnosti v\u00fdm\u011bny tepla.<\/span><\/p>\n

Prodejn\u00ed bod 2: S ohledem na probl\u00e9m s \u017eivotnost\u00ed za\u0159\u00edzen\u00ed v sou\u010dasn\u00e9m odv\u011btv\u00ed v\u00fdroby energie provedla na\u0161e spole\u010dnost c\u00edlen\u00e9 \u00fapravy v\u00fdm\u011bn\u00edku tepla. Na\u0161e spole\u010dnost inovovala v\u00fdb\u011br materi\u00e1lu v\u00fdm\u011bn\u00edku tepla a inovativn\u011b vy\u0159e\u0161ila probl\u00e9m s \u017eivotnost\u00ed za\u0159\u00edzen\u00ed.<\/span><\/p>\n

Prodejn\u00ed bod 3: S ohledem na probl\u00e9m spot\u0159eby energie sou\u010dasn\u00e9ho syst\u00e9mu HVAC provedla na\u0161e spole\u010dnost c\u00edlen\u00e9 \u00fapravy v\u00fdm\u011bn\u00edku tepla. Na\u0161e spole\u010dnost inovovala energeticky \u00faspornou konstrukci v\u00fdm\u011bn\u00edku tepla a inovativn\u011b vy\u0159e\u0161ila probl\u00e9m spot\u0159eby energie.<\/span><\/p>\n

Prodejn\u00ed bod 4: V reakci na probl\u00e9m koroze v sou\u010dasn\u00e9m potravin\u00e1\u0159sk\u00e9m pr\u016fmyslu provedla na\u0161e spole\u010dnost c\u00edlen\u00e9 \u00fapravy v\u00fdm\u011bn\u00edku tepla. Na\u0161e spole\u010dnost inovovala antikorozn\u00ed vlastnosti v\u00fdm\u011bn\u00edku tepla a inovativn\u011b vy\u0159e\u0161ila probl\u00e9m koroze.<\/span><\/p>\n

Pr\u016fmysl pou\u017eit\u00ed v\u00fdrobku<\/span><\/p>\n

Chemick\u00e9 zpracov\u00e1n\u00ed: V projektu v\u00fdm\u011bny tepla v chemick\u00e9m pr\u016fmyslu jsme p\u0159i pr\u016fzkumu trhu zjistili probl\u00e9m n\u00edzk\u00e9 \u00fa\u010dinnosti v\u00fdm\u011bny tepla. Tento probl\u00e9m v\u00e1\u017en\u011b ovlivnil efektivitu v\u00fdroby, n\u00e1klady na \u00fadr\u017ebu a kvalitu v\u00fdrobk\u016f z\u00e1kazn\u00edk\u016f. Proto na\u0161e spole\u010dnost provedla c\u00edlen\u00e9 \u00fapravy v\u00fdrobku v\u00fdm\u011bn\u00edku tepla. V souvisej\u00edc\u00edch projektech, jako je vysok\u00e1 \u00fa\u010dinnost p\u0159enosu tepla, siln\u00e1 odolnost a \u00faspora energie a ochrana \u017eivotn\u00edho prost\u0159ed\u00ed, na\u0161i z\u00e1kazn\u00edci pou\u017e\u00edvali na\u0161e v\u00fdrobky, \u010d\u00edm\u017e zlep\u0161ili efektivitu v\u00fdroby, sn\u00ed\u017eili n\u00e1klady na \u00fadr\u017ebu a zlep\u0161ili kvalitu v\u00fdrobk\u016f.<\/span><\/p>\n

V\u00fdroba energie: V projektu v\u00fdm\u011bny tepla v energetice jsme p\u0159i pr\u016fzkumu trhu narazili na probl\u00e9m \u017eivotnosti za\u0159\u00edzen\u00ed. Tento probl\u00e9m v\u00e1\u017en\u011b ovlivnil provozn\u00ed stabilitu, \u010detnost \u00fadr\u017eby a energetickou \u00fa\u010dinnost za\u0159\u00edzen\u00ed z\u00e1kazn\u00edk\u016f. Proto na\u0161e spole\u010dnost provedla c\u00edlen\u00e9 \u00fapravy v\u00fdrobku Heat Exchanger. V souvisej\u00edc\u00edch projektech, jako je v\u00fdb\u011br materi\u00e1l\u016f s vysokou pevnost\u00ed, p\u0159esn\u00e1 v\u00fdroba a \u00faspora energie a ochrana \u017eivotn\u00edho prost\u0159ed\u00ed, na\u0161i z\u00e1kazn\u00edci pou\u017e\u00edvali na\u0161e v\u00fdrobky, \u010d\u00edm\u017e zlep\u0161ili provozn\u00ed stabilitu za\u0159\u00edzen\u00ed, sn\u00ed\u017eili \u010detnost \u00fadr\u017eby a zlep\u0161ili energetickou \u00fa\u010dinnost.<\/span><\/p>\n

Syst\u00e9m HVAC: V projektu v\u00fdm\u011bny tepla v syst\u00e9mu HVAC jsme p\u0159i pr\u016fzkumu trhu zjistili probl\u00e9m spot\u0159eby energie, kter\u00fd v\u00e1\u017en\u011b ovlivnil provozn\u00ed n\u00e1klady z\u00e1kazn\u00edka, \u00fa\u010dinnost syst\u00e9mu a dopad na \u017eivotn\u00ed prost\u0159ed\u00ed. Proto na\u0161e spole\u010dnost provedla c\u00edlen\u00e9 \u00fapravy v\u00fdrobku Heat Exchanger. V souvisej\u00edc\u00edch projektech, jako je vysok\u00e1 \u00fa\u010dinnost p\u0159enosu tepla, energeticky \u00fasporn\u00fd design a trvanliv\u00e1 ochrana, na\u0161i z\u00e1kazn\u00edci pou\u017e\u00edvali na\u0161e v\u00fdrobky, kter\u00e9 sn\u00ed\u017eily provozn\u00ed n\u00e1klady, zlep\u0161ily \u00fa\u010dinnost syst\u00e9mu a sn\u00ed\u017eily dopad na \u017eivotn\u00ed prost\u0159ed\u00ed.<\/span><\/p>\n

Zpracov\u00e1n\u00ed potravin: V projektu v\u00fdm\u011bny tepla v potravin\u00e1\u0159sk\u00e9m pr\u016fmyslu jsme b\u011bhem pr\u016fzkumu trhu zjistili probl\u00e9m s koroz\u00ed, kter\u00fd v\u00e1\u017en\u011b ovlivnil \u017eivotnost za\u0159\u00edzen\u00ed z\u00e1kazn\u00edka, n\u00e1klady na \u00fadr\u017ebu a bezpe\u010dnost v\u00fdrobk\u016f. Proto na\u0161e spole\u010dnost provedla c\u00edlen\u00e9 \u00fapravy v\u00fdrobku v\u00fdm\u011bn\u00edku tepla. V souvisej\u00edc\u00edch projektech, jako je vysok\u00e1 \u00fa\u010dinnost p\u0159enosu tepla, antikorozn\u00ed vlastnosti a siln\u00e1 odolnost, pou\u017e\u00edvali na\u0161i z\u00e1kazn\u00edci na\u0161e v\u00fdrobky, kter\u00e9 zlep\u0161ily \u017eivotnost za\u0159\u00edzen\u00ed, sn\u00ed\u017eily n\u00e1klady na \u00fadr\u017ebu a zv\u00fd\u0161ily bezpe\u010dnost v\u00fdrobk\u016f.<\/span><\/p>\n

Jako za\u0159\u00edzen\u00ed pro p\u0159enos tepla, kter\u00e9 p\u0159ed\u00e1v\u00e1 \u010d\u00e1st tepla hork\u00e9 kapaliny mezi materi\u00e1ly studen\u00e9 kapalin\u011b, se v\u00fdm\u011bn\u00edk tepla \u0161iroce pou\u017e\u00edv\u00e1 v ka\u017edodenn\u00edm \u017eivot\u011b lid\u00ed a v pr\u016fmyslov\u00fdch odv\u011btv\u00edch, jako je ropn\u00fd, chemick\u00fd, energetick\u00fd, l\u00e9ka\u0159sk\u00fd, atomov\u00fd a jadern\u00fd pr\u016fmysl. M\u016f\u017ee b\u00fdt pou\u017eit jako samostatn\u00e9 za\u0159\u00edzen\u00ed, nap\u0159\u00edklad oh\u0159\u00edva\u010d, kondenz\u00e1tor, chladi\u010d atd.; m\u016f\u017ee b\u00fdt tak\u00e9 pou\u017eit jako sou\u010d\u00e1st n\u011bkter\u00fdch technologick\u00fdch za\u0159\u00edzen\u00ed, nap\u0159\u00edklad v\u00fdm\u011bn\u00edk tepla v n\u011bkter\u00fdch chemick\u00fdch za\u0159\u00edzen\u00edch.
\nZejm\u00e9na v chemick\u00e9m pr\u016fmyslu s vysokou spot\u0159ebou energie jsou v\u00fdm\u011bn\u00edky tepla nepostradateln\u00fdm za\u0159\u00edzen\u00edm v procesu v\u00fdm\u011bny a p\u0159enosu tepla v chemick\u00e9 v\u00fdrob\u011b a tvo\u0159\u00ed tak\u00e9 zna\u010dnou \u010d\u00e1st cel\u00e9ho za\u0159\u00edzen\u00ed chemick\u00e9 v\u00fdroby.
\nZ hlediska sv\u00e9 funkce je v\u00fdm\u011bn\u00edk tepla na jedn\u00e9 stran\u011b ur\u010den k zaji\u0161t\u011bn\u00ed specifick\u00e9 teploty po\u017eadovan\u00e9 pr\u016fmyslov\u00fdm procesem pro m\u00e9dium a na druh\u00e9 stran\u011b je tak\u00e9 hlavn\u00edm za\u0159\u00edzen\u00edm pro zlep\u0161en\u00ed vyu\u017eit\u00ed energie. Podle konstruk\u010dn\u00ed formy se rozli\u0161uj\u00ed p\u0159edev\u0161\u00edm deskov\u00e9 v\u00fdm\u011bn\u00edky tepla, v\u00fdm\u011bn\u00edky tepla s plovouc\u00ed hlavou, pevn\u00e9 trubkov\u00e9 deskov\u00e9 v\u00fdm\u011bn\u00edky tepla a U-trubkov\u00e9 v\u00fdm\u011bn\u00edky tepla atd. Krom\u011b deskov\u00fdch v\u00fdm\u011bn\u00edk\u016f tepla pat\u0159\u00ed ostatn\u00ed typy k trubkov\u00fdm v\u00fdm\u011bn\u00edk\u016fm tepla.
\nJeliko\u017e m\u00e1 pl\u00e1\u0161\u0165ov\u00fd v\u00fdm\u011bn\u00edk tepla velkou teplosm\u011bnnou plochu na jednotku objemu, dobr\u00fd teplosm\u011bnn\u00fd \u00fa\u010dinek, pevnou konstrukci, dobrou p\u0159izp\u016fsobivost, vysp\u011bl\u00fd v\u00fdrobn\u00ed proces a dal\u0161\u00ed v\u00fdhody, stal se nej\u010dast\u011bji pou\u017e\u00edvan\u00fdm typick\u00fdm v\u00fdm\u011bn\u00edkem tepla.
\nSpojen\u00ed mezi trubkami pro v\u00fdm\u011bnu tepla a trubkov\u00fdmi plechy vpl\u00e1\u0161\u0165ov\u00fdch a trubkov\u00fdch v\u00fdm\u011bn\u00edc\u00edch tepla
\nU pl\u00e1\u0161\u0165ov\u00fdch a trubkov\u00fdch v\u00fdm\u011bn\u00edk\u016f tepla jsou teplosm\u011bnn\u00e9 trubky a trubkov\u00e9 plechy jedinou bari\u00e9rou mezi trubkovou a pl\u00e1\u0161\u0165ovou stranou v\u00fdm\u011bn\u00edku tepla. Konstrukce a kvalita spojen\u00ed mezi trubkami pro v\u00fdm\u011bnu tepla a trubkov\u00fdmi plechy ur\u010duje kvalitu a \u017eivotnost v\u00fdm\u011bn\u00edku tepla, co\u017e je rozhoduj\u00edc\u00ed \u010dl\u00e1nek v\u00fdrobn\u00edho procesu v\u00fdm\u011bn\u00edku tepla.
\nK v\u011bt\u0161in\u011b po\u0161kozen\u00ed a poruch v\u00fdm\u011bn\u00edk\u016f tepla doch\u00e1z\u00ed v m\u00edst\u011b spojen\u00ed mezi trubkami a trubkov\u00fdmi plechy. Kvalita spojovac\u00edch spoj\u016f tak\u00e9 p\u0159\u00edmo ovliv\u0148uje bezpe\u010dnost a spolehlivost chemick\u00fdch za\u0159\u00edzen\u00ed a p\u0159\u00edstroj\u016f. Proto se proces spojen\u00ed mezi teplosm\u011bnn\u00fdmi trubkami a trubkov\u00fdmi plechy v pl\u00e1\u0161\u0165ov\u00fdch a trubkov\u00fdch v\u00fdm\u011bn\u00edc\u00edch tepla stal nejkriti\u010dt\u011bj\u0161\u00edm kontroln\u00edm \u010dl\u00e1nkem v syst\u00e9mu zaji\u0161t\u011bn\u00ed kvality v\u00fdroby v\u00fdm\u011bn\u00edk\u016f tepla. V sou\u010dasn\u00e9 dob\u011b se ve v\u00fdrobn\u00edm procesu v\u00fdm\u011bn\u00edk\u016f tepla spoj mezi teplosm\u011bnn\u00fdmi trubkami a trubkov\u00fdmi plechy skl\u00e1d\u00e1 p\u0159edev\u0161\u00edm ze sva\u0159ov\u00e1n\u00ed, dilatace, dilatace plus sva\u0159ov\u00e1n\u00ed a lepen\u00ed plus dilatace.
\n1. Sva\u0159ov\u00e1n\u00ed
\nPokud jsou teplosm\u011bnn\u00e1 trubka a trubkov\u00fd plech spojeny sva\u0159ov\u00e1n\u00edm, jsou n\u00e1roky na zpracov\u00e1n\u00ed trubkov\u00e9ho plechu n\u00edzk\u00e9, v\u00fdrobn\u00ed proces je jednoduch\u00fd, t\u011bsn\u011bn\u00ed je dobr\u00e9 a sva\u0159ov\u00e1n\u00ed, kontrola vzhledu a \u00fadr\u017eba jsou velmi pohodln\u00e9. V sou\u010dasn\u00e9 dob\u011b je to nejpou\u017e\u00edvan\u011bj\u0161\u00ed zp\u016fsob spojen\u00ed teplosm\u011bnn\u00e9 trubky a trubkov\u00e9ho plechu v pl\u00e1\u0161\u0165ov\u00e9m v\u00fdm\u011bn\u00edku tepla. P\u0159i sva\u0159ov\u00e1n\u00ed se rozli\u0161uje pevnostn\u00ed sva\u0159ov\u00e1n\u00ed, kter\u00e9 zaru\u010duje t\u011bsnost a pevnost v tahu svarov\u00e9ho spoje, a t\u011bsnic\u00ed sva\u0159ov\u00e1n\u00ed, kter\u00e9 zaru\u010duje pouze ut\u011bsn\u011bn\u00ed spoje mezi teplosm\u011bnnou trubkou a trubkov\u00fdm plechem. V\u00fdkon pevnostn\u00edho sva\u0159ov\u00e1n\u00ed je omezen\u00fd a je vhodn\u00fd pouze pro p\u0159\u00edpady s mal\u00fdmi vibracemi a bez koroze mezer.
\nP\u0159i sva\u0159ov\u00e1n\u00ed nesm\u00ed b\u00fdt vzd\u00e1lenost mezi teplosm\u011bnn\u00fdmi trubkami p\u0159\u00edli\u0161 mal\u00e1, jinak bude ovlivn\u011bna teplem a nebude snadn\u00e9 zaru\u010dit kvalitu svaru. Z\u00e1rove\u0148 by m\u011bla b\u00fdt na konc\u00edch trubek ponech\u00e1na ur\u010dit\u00e1 vzd\u00e1lenost, aby se sn\u00ed\u017eilo vz\u00e1jemn\u00e9 nap\u011bt\u00ed p\u0159i sva\u0159ov\u00e1n\u00ed. D\u00e9lka teplosm\u011bnn\u00e9 trubky vy\u010dn\u00edvaj\u00edc\u00ed z trubkov\u00e9ho plechu mus\u00ed spl\u0148ovat stanoven\u00e9 po\u017eadavky, aby byla zaji\u0161t\u011bna jej\u00ed \u00fa\u010dinn\u00e1 nosnost. Pokud jde o metody sva\u0159ov\u00e1n\u00ed, sva\u0159ov\u00e1n\u00ed lze prov\u00e1d\u011bt obloukov\u00fdm sva\u0159ov\u00e1n\u00edm, sva\u0159ov\u00e1n\u00edm TIG, sva\u0159ov\u00e1n\u00edm CO2 atd. podle materi\u00e1lu teplosm\u011bnn\u00e9 trubky a trubkov\u00e9ho plechu. Sva\u0159ov\u00e1n\u00ed TIG je vhodn\u00e9 pro v\u00fdm\u011bn\u00edky tepla s vysok\u00fdmi po\u017eadavky na spojen\u00ed mezi teplosm\u011bnn\u00fdmi trubkami a trubkov\u00fdmi plechy, jako jsou v\u00fdm\u011bn\u00edky tepla s vysok\u00fdm konstruk\u010dn\u00edm tlakem, vysokou konstruk\u010dn\u00ed teplotou, velk\u00fdmi teplotn\u00edmi zm\u011bnami a v\u00fdm\u011bn\u00edky tepla se st\u0159\u00eddav\u00fdm zat\u00ed\u017een\u00edm, v\u00fdm\u011bn\u00edky tepla s tenk\u00fdmi trubkov\u00fdmi plechy atd.
\nB\u011b\u017en\u00e9 metody sva\u0159ov\u00e1n\u00ed jsou n\u00e1chyln\u00e9 ke korozi a p\u0159eh\u0159\u00e1t\u00ed v d\u016fsledku mezery mezi trubkou a otvorem v trubkov\u00e9m plechu a tepeln\u00e9 nap\u011bt\u00ed vznikaj\u00edc\u00ed ve svarov\u00e9m spoji m\u016f\u017ee rovn\u011b\u017e zp\u016fsobit korozi pod nap\u011bt\u00edm a po\u0161kozen\u00ed, co\u017e v\u0161e zp\u016fsob\u00ed selh\u00e1n\u00ed v\u00fdm\u011bn\u00edku tepla. V sou\u010dasn\u00e9 dob\u011b se ve v\u00fdm\u011bn\u00edc\u00edch tepla pou\u017e\u00edvan\u00fdch v dom\u00e1c\u00edm jadern\u00e9m pr\u016fmyslu, energetice a dal\u0161\u00edch pr\u016fmyslov\u00fdch odv\u011btv\u00edch za\u010d\u00edn\u00e1 pou\u017e\u00edvat technologie sva\u0159ov\u00e1n\u00ed vnit\u0159n\u00edch otvor\u016f mezi trubkami v\u00fdm\u011bn\u00edku tepla a trubkov\u00fdmi plechy. Tato metoda spojen\u00ed m\u011bn\u00ed koncov\u00e9 sva\u0159ov\u00e1n\u00ed trubek pro v\u00fdm\u011bnu tepla a trubkov\u00fdch plech\u016f na sva\u0159ov\u00e1n\u00ed svazk\u016f trubek vnit\u0159n\u00edmi otvory, pou\u017e\u00edv\u00e1 formu pln\u00e9ho pr\u016fvaru, odstra\u0148uje mezeru koncov\u00fdch svar\u016f a zlep\u0161uje schopnost odol\u00e1vat korozi v meze\u0159e a korozi pod nap\u011bt\u00edm.
\nM\u00e1 vysokou odolnost proti \u00fanav\u011b vibracemi, odol\u00e1v\u00e1 vysok\u00fdm teplot\u00e1m a vysok\u00fdm tlak\u016fm a m\u00e1 dobr\u00e9 mechanick\u00e9 vlastnosti svarov\u00fdch spoj\u016f; spoje lze podrobit vnit\u0159n\u00edm nedestruktivn\u00edm zkou\u0161k\u00e1m, lze kontrolovat vnit\u0159n\u00ed kvalitu svaru a zv\u00fd\u0161it spolehlivost svaru. Technologie sva\u0159ov\u00e1n\u00ed vnit\u0159n\u00edch otvor\u016f se v\u0161ak obt\u00ed\u017en\u011b montuje, m\u00e1 vysok\u00e9 po\u017eadavky na technologii sva\u0159ov\u00e1n\u00ed, je slo\u017eit\u00e1 na v\u00fdrobu a kontrolu a m\u00e1 pom\u011brn\u011b vysok\u00e9 v\u00fdrobn\u00ed n\u00e1klady. S rozvojem v\u00fdm\u011bn\u00edk\u016f tepla sm\u011brem k vysok\u00fdm teplot\u00e1m, vysok\u00fdm tlak\u016fm a velk\u00fdm rozm\u011br\u016fm jsou po\u017eadavky na kvalitu jejich v\u00fdroby st\u00e1le vy\u0161\u0161\u00ed a technologie sva\u0159ov\u00e1n\u00ed vnit\u0159n\u00edch otvor\u016f se bude pou\u017e\u00edvat st\u00e1le \u010dast\u011bji.
\n2. Roz\u0161\u00ed\u0159en\u00ed
\nExpanze je tradi\u010dn\u00ed zp\u016fsob spojov\u00e1n\u00ed trubek pro v\u00fdm\u011bnu tepla a trubkov\u00fdch plech\u016f. Pou\u017e\u00edv\u00e1 se expanzn\u00ed za\u0159\u00edzen\u00ed, kter\u00e9 zp\u016fsob\u00ed, \u017ee trubkov\u00fd plech a trubka se pru\u017en\u011b plasticky deformuj\u00ed a t\u011bsn\u011b p\u0159il\u00e9haj\u00ed k sob\u011b, \u010d\u00edm\u017e se vytvo\u0159\u00ed pevn\u00fd spoj, kter\u00fd dos\u00e1hne \u00fa\u010delu ut\u011bsn\u011bn\u00ed a odolnosti proti vytr\u017een\u00ed. Ve v\u00fdrobn\u00edm procesu v\u00fdm\u011bn\u00edk\u016f tepla je expanze vhodn\u00e1 pro p\u0159\u00edpady bez siln\u00fdch vibrac\u00ed, nadm\u011brn\u00fdch teplotn\u00edch zm\u011bn a siln\u00e9 koroze pod nap\u011bt\u00edm.
\nV sou\u010dasn\u00e9 dob\u011b se pou\u017e\u00edvaj\u00ed p\u0159edev\u0161\u00edm mechanick\u00e9 v\u00e1lcovac\u00ed expanze a hydraulick\u00e9 expanze. Mechanick\u00e1 v\u00e1lcovan\u00e1 expanze je nerovnom\u011brn\u00e1, a jakmile dojde k poru\u0161e spojen\u00ed mezi trubkou a plechem, je velmi obt\u00ed\u017en\u00e9 ji opravit pomoc\u00ed expanzn\u00edch trubek; hydraulick\u00e1 expanze s kapalinov\u00fdm vakem je \u0159\u00edzena po\u010d\u00edta\u010dem, m\u00e1 vysokou p\u0159esnost a m\u016f\u017ee zajistit, \u017ee t\u011bsnost expanze je rovnom\u011brn\u00e1 a konzistentn\u00ed a spolehlivost spojen\u00ed je lep\u0161\u00ed ne\u017e u mechanick\u00e9 expanze. M\u00e1 v\u0161ak p\u0159\u00edsn\u00e9 po\u017eadavky na p\u0159esnost zpracov\u00e1n\u00ed a je tak\u00e9 obt\u00ed\u017en\u00e9 zajistit \u00fasp\u011b\u0161nost expanze u hust\u00fdch spoj\u016f. Pokud dojde k poru\u0161e, je tak\u00e9 obt\u00ed\u017en\u00e9 ji opravit pomoc\u00ed dilatace.
\n3. Roz\u0161\u00ed\u0159en\u00ed plus sva\u0159ov\u00e1n\u00ed
\nP\u0159i vysok\u00e9 teplot\u011b a tlaku a p\u016fsoben\u00edm tepeln\u00e9 deformace, tepeln\u00e9ho \u0161oku, tepeln\u00e9 koroze a tlaku kapaliny se spojen\u00ed mezi teplosm\u011bnnou trubkou a trubkov\u00fdm plechem velmi snadno po\u0161kod\u00ed. Je obt\u00ed\u017en\u00e9 zajistit pevnost spoje a po\u017eadavky na t\u011bsn\u011bn\u00ed dilatac\u00ed nebo sva\u0159ov\u00e1n\u00edm. V sou\u010dasn\u00e9 dob\u011b se \u0161iroce pou\u017e\u00edv\u00e1 metoda dilatace a sva\u0159ov\u00e1n\u00ed. Konstrukce dilatace plus sva\u0159ov\u00e1n\u00ed m\u016f\u017ee \u00fa\u010dinn\u011b tlumit po\u0161kozen\u00ed svaru zp\u016fsoben\u00e9 vibracemi trubkov\u00e9ho svazku, \u00fa\u010dinn\u011b eliminovat korozi pod nap\u011bt\u00edm a korozi v meze\u0159e a zlep\u0161it \u00fanavovou odolnost spoje, \u010d\u00edm\u017e se zvy\u0161uje \u017eivotnost v\u00fdm\u011bn\u00edku tepla. M\u00e1 vy\u0161\u0161\u00ed pevnost a t\u011bsnost ne\u017e prost\u00e9 dilata\u010dn\u00ed nebo pevnostn\u00ed sva\u0159ov\u00e1n\u00ed. U b\u011b\u017en\u00fdch v\u00fdm\u011bn\u00edk\u016f tepla se obvykle pou\u017e\u00edv\u00e1 forma \"lepic\u00ed expanze + pevnostn\u00ed sva\u0159ov\u00e1n\u00ed\", zat\u00edmco v\u00fdm\u011bn\u00edky tepla s n\u00e1ro\u010dn\u00fdmi provozn\u00edmi podm\u00ednkami vy\u017eaduj\u00ed formu \"pevnostn\u00ed expanze + t\u011bsnic\u00ed sva\u0159ov\u00e1n\u00ed\". Expanzi plus sva\u0159ov\u00e1n\u00ed lze rozd\u011blit na dva typy podle po\u0159ad\u00ed expanze a sva\u0159ov\u00e1n\u00ed v procesu: nejprve expanze a pak sva\u0159ov\u00e1n\u00ed a nejprve sva\u0159ov\u00e1n\u00ed a pak expanze.
\n(1) Nejprve expanze a pak sva\u0159ov\u00e1n\u00ed Mazac\u00ed olej pou\u017eit\u00fd p\u0159i expanzi pronikne do sp\u00e1rov\u00e9 mezery a je velmi citliv\u00fd na sva\u0159ovac\u00ed trhliny, p\u00f3ry atd., co\u017e zp\u016fsobuje, \u017ee fenom\u00e9n vad p\u0159i sva\u0159ov\u00e1n\u00ed je z\u00e1va\u017en\u011bj\u0161\u00ed. Olej a ne\u010distoty, kter\u00e9 proniknou do mezery, se obt\u00ed\u017en\u011b \u010dist\u00ed, proto se pou\u017e\u00edv\u00e1 postup expanze p\u0159ed sva\u0159ov\u00e1n\u00edm a metoda mechanick\u00e9 expanze nen\u00ed vhodn\u00e1. P\u0159esto\u017ee expanzn\u00ed metoda nen\u00ed odoln\u00e1 v\u016f\u010di tlaku, dok\u00e1\u017ee odstranit mezeru mezi trubkou a otvorem v desce trubky, tak\u017ee m\u016f\u017ee \u00fa\u010dinn\u011b tlumit vibrace svazku trubek do sva\u0159ovac\u00ed \u010d\u00e1sti \u00fast\u00ed trubky.
\nKonven\u010dn\u00ed ru\u010dn\u00ed nebo mechanicky \u0159\u00edzen\u00e1 metoda expanze v\u0161ak nem\u016f\u017ee dos\u00e1hnout po\u017eadavku na rovnom\u011brnou expanzi, zat\u00edmco metoda expanze v kapaln\u00e9m vaku s po\u010d\u00edta\u010dem \u0159\u00edzen\u00fdm expanzn\u00edm tlakem m\u016f\u017ee pohodln\u011b a rovnom\u011brn\u011b dos\u00e1hnout po\u017eadavku na expanzi. B\u011bhem sva\u0159ov\u00e1n\u00ed se vlivem vysokoteplotn\u00edho roztaven\u00e9ho kovu plyn v meze\u0159e zah\u0159\u00edv\u00e1 a rychle expanduje. Tyto vysokoteplotn\u00ed a vysokotlak\u00e9 plyny zp\u016fsob\u00ed p\u0159i \u00faniku ur\u010dit\u00e9 po\u0161kozen\u00ed t\u011bsnic\u00edho v\u00fdkonu pevnostn\u00ed expanze.
\n(2) Nejprve sva\u0159ov\u00e1n\u00ed a pot\u00e9 roz\u0161i\u0159ov\u00e1n\u00ed U procesu sva\u0159ov\u00e1n\u00ed p\u0159ed roz\u0161i\u0159ov\u00e1n\u00edm je hlavn\u00edm probl\u00e9mem kontrola p\u0159esnosti a koordinace otvoru trubky a trubkov\u00e9 desky. Pokud je mezera mezi trubkou a otvorem v desce trubky mal\u00e1 do ur\u010dit\u00e9 hodnoty, proces roz\u0161i\u0159ov\u00e1n\u00ed nepo\u0161kod\u00ed kvalitu svarov\u00e9ho spoje. Schopnost svaru odol\u00e1vat smykov\u00e9 s\u00edle je v\u0161ak pom\u011brn\u011b n\u00edzk\u00e1, tak\u017ee p\u0159i pevnostn\u00edm sva\u0159ov\u00e1n\u00ed, pokud kontrola nespl\u0148uje po\u017eadavky, m\u016f\u017ee doj\u00edt k selh\u00e1n\u00ed nadm\u011brn\u00e9 expanze nebo po\u0161kozen\u00ed svarov\u00e9ho spoje v d\u016fsledku expanze.
\nB\u011bhem v\u00fdrobn\u00edho procesu vznik\u00e1 velk\u00e1 mezera mezi vn\u011bj\u0161\u00edm pr\u016fm\u011brem teplosm\u011bnn\u00e9 trubky a otvorem v trubkov\u00e9m plechu a mezera mezi vn\u011bj\u0161\u00edm pr\u016fm\u011brem ka\u017ed\u00e9 teplosm\u011bnn\u00e9 trubky a otvorem v trubkov\u00e9m plechu je v axi\u00e1ln\u00edm sm\u011bru nerovnom\u011brn\u00e1. Kdy\u017e je dilata\u010dn\u00ed spoj po sva\u0159en\u00ed dokon\u010den, mus\u00ed se st\u0159edov\u00e1 \u010d\u00e1ra trubky shodovat se st\u0159edovou \u010d\u00e1rou trubkov\u00e9ho otvoru trubkov\u00e9ho plechu, aby byla zaji\u0161t\u011bna kvalita spoje. Pokud je mezera velk\u00e1, dojde v d\u016fsledku velk\u00e9 tuhosti trubky k nadm\u011brn\u00e9 dilata\u010dn\u00ed deformaci, kter\u00e1 po\u0161kod\u00ed svarov\u00fd spoj a dokonce zp\u016fsob\u00ed odp\u00e1jen\u00ed svaru.
\n4. Lepen\u00ed a dilata\u010dn\u00ed sp\u00e1ry
\nPou\u017eit\u00ed lepidla a dilata\u010dn\u00edch sp\u00e1r pom\u00e1h\u00e1 \u0159e\u0161it probl\u00e9my s net\u011bsnostmi a pr\u016fsaky, kter\u00e9 se \u010dasto objevuj\u00ed ve spojen\u00ed mezi teplosm\u011bnnou trubkou a trubkov\u00fdm plechem ve v\u00fdm\u011bn\u00edku tepla. Je d\u016fle\u017eit\u00e9 spr\u00e1vn\u011b zvolit lepidlo podle pracovn\u00edch podm\u00ednek lepen\u00fdch \u010d\u00e1st\u00ed. P\u0159i realizaci procesu by m\u011bly b\u00fdt parametry procesu zvoleny v kombinaci s konstrukc\u00ed a velikost\u00ed v\u00fdm\u011bn\u00edku tepla, zejm\u00e9na v\u010detn\u011b vytvrzovac\u00edho tlaku, vytvrzovac\u00ed teploty, expanzn\u00ed s\u00edly atd. a b\u011bhem v\u00fdrobn\u00edho procesu p\u0159\u00edsn\u011b kontrolov\u00e1ny. Tento proces je jednoduch\u00fd, snadn\u00fd a spolehliv\u00fd. Byl uzn\u00e1n p\u0159i skute\u010dn\u00e9m pou\u017e\u00edv\u00e1n\u00ed v podnic\u00edch a m\u00e1 propaga\u010dn\u00ed hodnotu.<\/span><\/p>\n

P\u0159\u00edpad pro z\u00e1kazn\u00edka<\/span><\/p>\n

Pozad\u00ed z\u00e1kazn\u00edka<\/span><\/p>\n

Spole\u010dnost, kter\u00e9 tento v\u00fdrobek slou\u017eil, je spole\u010dnost vyr\u00e1b\u011bj\u00edc\u00ed chemick\u00e1 za\u0159\u00edzen\u00ed v chemick\u00e9m pr\u016fmyslu v N\u011bmecku. Spole\u010dnost p\u016fsob\u00ed v oblasti chemick\u00e9ho pr\u016fmyslu a jej\u00edmi hlavn\u00edmi produkty jsou reaktory, separa\u010dn\u00ed za\u0159\u00edzen\u00ed a v\u00fdm\u011bn\u00edky tepla. M\u00e1 800 zam\u011bstnanc\u016f a ro\u010dn\u00ed obrat 100 milion\u016f eur.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Probl\u00e9my z\u00e1kazn\u00edk\u016f<\/span><\/p>\n

Hlavn\u00edmi probl\u00e9my, kter\u00fdm tato spole\u010dnost v sou\u010dasn\u00e9 dob\u011b \u010del\u00ed, jsou n\u00edzk\u00e1 \u00fa\u010dinnost v\u00fdm\u011bny tepla, n\u00edzk\u00e1 \u017eivotnost za\u0159\u00edzen\u00ed a vysok\u00e1 spot\u0159eba energie. Tento probl\u00e9m vedl k \u010dast\u00fdm poruch\u00e1m za\u0159\u00edzen\u00ed, vysok\u00fdm n\u00e1klad\u016fm na \u00fadr\u017ebu a n\u00edzk\u00e9 efektivit\u011b v\u00fdroby v sou\u010dasn\u00e9m stavu podnik\u00e1n\u00ed spole\u010dnosti, co\u017e zp\u016fsobilo mnoho \u0159et\u011bzov\u00fdch reakc\u00ed, jako je klesaj\u00edc\u00ed spokojenost z\u00e1kazn\u00edk\u016f, sn\u00ed\u017een\u00ed objedn\u00e1vek a oslaben\u00ed konkurenceschopnosti na trhu.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u0158e\u0161en\u00ed<\/span><\/p>\n

Na z\u00e1klad\u011b v\u00fd\u0161e uveden\u00fdch t\u0159\u00ed skute\u010dn\u00fdch probl\u00e9m\u016f tohoto z\u00e1kazn\u00edka provedla na\u0161e spole\u010dnost kontroly a anal\u00fdzy a technick\u00e9 \u00fapravy konstruk\u010dn\u00edho n\u00e1vrhu, v\u00fdb\u011bru materi\u00e1lu a povrchov\u00e9 \u00fapravy v\u00fdm\u011bn\u00edku tepla a provedla c\u00edlen\u00e9 \u00fapravy \u00fa\u010dinnosti p\u0159enosu tepla, trvanlivosti a odolnosti proti korozi v\u00fdm\u011bn\u00edku tepla na m\u00edru, \u010d\u00edm\u017e poskytla inovativn\u00ed \u0159e\u0161en\u00ed pro \u0159e\u0161en\u00ed n\u00edzk\u00e9 \u00fa\u010dinnosti v\u00fdm\u011bny tepla, n\u00edzk\u00e9 trvanlivosti za\u0159\u00edzen\u00ed a vysok\u00e9 spot\u0159eby energie.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u00da\u010dinek produktu<\/span><\/p>\n

V re\u00e1ln\u00e9m provozu z\u00e1kazn\u00edk\u016f n\u00e1\u0161 v\u00fdm\u011bn\u00edk tepla skute\u010dn\u011b pomohl z\u00e1kazn\u00edk\u016fm zlep\u0161it \u00fa\u010dinnost v\u00fdm\u011bny tepla, \u017eivotnost za\u0159\u00edzen\u00ed a vyu\u017eit\u00ed energie a sn\u00ed\u017eit poruchovost za\u0159\u00edzen\u00ed, n\u00e1klady na \u00fadr\u017ebu a spot\u0159ebu energie p\u0159i v\u00fdrob\u011b. D\u00edky nim z\u00e1kazn\u00edci dos\u00e1hli zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti v\u00fdm\u011bny tepla o 30%, sn\u00ed\u017een\u00ed poruchovosti za\u0159\u00edzen\u00ed o 25% a sn\u00ed\u017een\u00ed spot\u0159eby energie o 20% b\u011bhem realizace projektu.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Kontaktn\u00ed informace pro dotazy t\u00fdkaj\u00edc\u00ed se tepeln\u00fdch v\u00fdm\u011bn\u00edk\u016f<\/span><\/strong><\/p>\n

Dal\u0161\u00ed informace o V\u00fdm\u011bn\u00edk tepla<\/strong> nebo z\u00edskat \u0159e\u0161en\u00ed na m\u00edru, kontaktujte n\u00e1s:<\/span><\/p>\n