Mwebata dị mkpirikpi nke mmepụta igwe anaghị agba nchara okpomọkụ I

Igwe ọkụ na-ekpo ọkụ bụ ngwaọrụ na-enye ọkụ nke a na-eji maka ịnyefe ike ọkụ dị n'ime n'etiti mmiri abụọ ma ọ bụ karịa dị na okpomọkụ dị iche iche.Ọkụ ma ọ bụ tube bụ ihe dị mkpa na-eme ka ọkụ na-ekpo ọkụ, nke mmiri na-esi na ya na-asọ.Ebe ọ bụ na a pụrụ iji ihe ndị na-ekpo ọkụ na-ekpo ọkụ na-eme ihe na nhazi, ike, mmanụ ụgbọala, ụgbọ njem, ntụ oyi, refrigeration, cryogenic, okpomọkụ mgbake, mmanụ ọkụ ọzọ, na ụlọ ọrụ ndị ọzọ, a pụkwara ịkewa tubes okpomọkụ dịka tubes nke radiators, regenerators, condensers, superheaters. , preheaters, coolers, evaporators, na boilers.Enwere ike ịkwanye tubes ndị na-agbanwe ọkụ n'ụdị kwụ ọtọ, ụdị U-ehulata, ụdị eriri igwe, ma ọ bụ ụdị agwọ.N'ozuzu, ha bụ tubes enweghị nkebi ma ọ bụ welded dị na mpụga dayameta n'etiti 12.7 mm na 60.3 mm na obere mkpa mgbidi.A na-ejikọta tubes na tubesheet site na ntụgharị ma ọ bụ ịgbado ọkụ.N'ọnọdụ ụfọdụ, ọdabara tubing capillary ma ọ bụ nnukwu dayameta tubing.Enwere ike iji ntù (tupu finned) dozie tube ahụ nke na-enye arụmọrụ mbufe ọkụ.

1. Nhọrọ ihe maka ikpo ọkụ ọkụ

Na omume injinia, a ga-eme nhọrọ nke ihe maka ọkpọkọ ọkụ ọkụ.N'ozuzu, tubing ga-adaba na nkọwapụta enyere na ASME Boiler and Pressure Vessel Code Nkebi II.Nhọrọ ihe eji eme ihe ga-adabere na nleba anya na nchikota nke nrụgide na-arụ ọrụ, okpomọkụ, ọnụego nrịba, corrosion, mbuze, ịrụ ọrụ, arụmọrụ ọnụ ahịa, viscosity, imewe, na gburugburu ndị ọzọ.Na-emekarị, okpomọkụ Exchanger tubing nwere ike kwadebere na ferrous ma ọ bụ nonferrous metal ihe, nke nwere ike n'ihu nkewa dị ka carbon ígwè, ala alloy ígwè, igwe anaghị agba nchara, duplex igwe anaghị agba nchara, nickel alloy, titanium alloy, ọla kọpa alloy, aluminum alloy, tantalum na zirconium, wdg.

Nkọwa ọkọlọtọ nke ihe ndị a gụnyere: ASTM A178, A179, A209, A210, A213, A214, A249, A250, A268, A334, A423, A450, A789, A790, A803, A1016;ASTM B75, B111, B135, B161, B165, B167, B210, B221, B234, B251, B315, B338, B359, B395, B407, B423, B444, B466, B465,5, B1 622 .B626, B668, B674, B676, B677, B690, B704, B729, B751 na B829.Ngwakọta kemịkalụ, akụrụngwa akụrụngwa na ọgwụgwọ okpomọkụ ga-adaba n'ụkpụrụ ndị a kpọtụrụ aha n'otu n'otu.Enwere ike ịmepụta tubing nke na-ekpo ọkụ site na usoro ọkụ ma ọ bụ oyi.Ọzọkwa, usoro na-ekpo ọkụ na-arụ ọrụ na-emepụta ihe nkiri magnetik iron oxide dị nro na nke siri ike n'elu ya.A na-akpọkarị ụdị ihe nkiri a “ihe igwe igwe” nke a ga-emesị wepụ ya site n'usoro ntughari, nchacha ma ọ bụ ịchịkọta.

2. Nnwale na nyocha

Nnwale ọkọlọtọ na nyocha na tubes ndị na-ekpo ọkụ na-agụnyekarị nyocha anya, nyocha akụkụ, ule eddy ugbu a, ule nrụgide hydrostatic, ule pneumatic ikuku n'okpuru mmiri, ule magnetik, ule ultrasonic, ule corrosion, ule ọrụ (gụnyere tensile, flaring, flattening). na ntụgharị ule flattening), nyocha kemịkalụ (PMI), na nyocha X-ray na welds (ọ bụrụ na ọ bụla).