Na'urar musayar zafi ita ce na'urar canja wuri mai zafi da ake amfani da ita don canja wurin makamashin zafi na ciki tsakanin ruwa biyu ko fiye da ake samu a yanayin zafi daban-daban.Bututu ko bututu wani abu ne mai mahimmanci na mai fitar da zafi, ta inda ruwa ke gudana.Tun da ana iya amfani da masu musayar zafi a cikin tsari, wutar lantarki, man fetur, sufuri, kwandishan, firiji, cryogenic, dawo da zafi, madadin mai, da sauran masana'antu, ana iya rarraba bututun musayar zafi daidai da bututu na radiators, masu sake haɓakawa, na'urori masu ƙarfi, superheaters. , preheaters, coolers, evaporators, da tukunyar jirgi.Za a iya samar da bututun musayar zafi cikin madaidaiciyar nau'in, nau'in U-lankwasa, nau'in murɗa, ko salon maciji.Gabaɗaya, bututu marasa ƙarfi ko welded suna samuwa a cikin diamita na waje tsakanin 12.7 mm zuwa 60.3 mm tare da bangon bakin ciki.Yawanci ana haɗa bututun tare da bututu ta hanyar birgima ko walda.A wasu lokuta, tubing capillary ko babban diamita tubing yana aiki.Za a iya samar da bututun da finns (finned tube) wanda ke ba da ingantaccen yanayin canjin zafi.
1. Zaɓin Kayan Kayan Kayan Kayan Kayan Wuta na Tuba
A aikin injiniya, zaɓin kayan aikin bututun musayar zafi dole ne a gudanar da shi da ƙarfi.Gabaɗaya, tubing ɗin zai kasance daidai da ƙayyadaddun bayanai da aka bayar a cikin Boiler ASME da Sashe na Lambar Jirgin Ruwa na Matsakaicin Sashin II.Zaɓin zaɓin kayan zai dogara ne akan cikakken la'akari da lissafin matsa lamba na aiki, zafin jiki, ƙimar kwarara, lalata, yashewa, iya aiki, ƙimar farashi, danko, ƙira, da sauran mahalli.Yawancin lokaci, zafi Exchanger tubing za a iya sa a cikin ferrous ko nonferrous karfe kayan, wanda za a iya kara classified a matsayin carbon karfe, low gami karfe, bakin karfe, duplex bakin karfe, nickel gami, titanium gami, jan alloy, aluminum gami, tantalum da kuma zirconium, da dai sauransu.
Daidaitaccen ƙayyadaddun kayan sun haɗa da: 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, B465,52 622 .B626, B668, B674, B676, B677, B690, B704, B729, B751 da B829.Abubuwan sinadaran, kaddarorin inji da maganin zafi duk zasu dace da ka'idodin da aka ambata a sama bi da bi.Ana iya samar da bututun musayar zafi ta hanyar zafi ko sanyi.Bugu da ƙari, tsarin aiki mai zafi yana samar da fim ɗin bakin ciki da ƙaƙƙarfan baƙin ƙarfe baƙin ƙarfe oxide a samansa.Irin wannan fim ana kiransa “ma’aunin niƙa” wanda daga baya za a cire shi ta hanyar juyi, goge-goge, ko ɗora.
2. Gwaji da dubawa
Gwaji na yau da kullun da dubawa akan bututun musayar zafi yawanci sun haɗa da gwajin gani, dubawa mai girma, gwajin eddy na yanzu, gwajin matsa lamba na hydrostatic, gwajin iska-ƙarƙashin ruwa, gwajin ƙwayar maganadisu, gwajin ultrasonic, gwaje-gwajen lalata, gwaje-gwajen injin (ciki har da tensile, flaring, flattening, da gwaje-gwajen juzu'i), nazarin sinadarai (PMI), da duban X-ray akan walda (idan akwai).
Lokacin aikawa: Nuwamba-28-2022