Gabatarwa na asali na flange
Flanges bututu da gaskets da fasteners ana kiransu gaba ɗaya azaman haɗin gwiwar flange.
Aikace-aikace:
Flange haɗin gwiwa wani nau'i ne na ɓangaren da ake amfani da shi sosai a ƙirar injiniya.Yana da mahimmanci na ƙirar bututu, kayan aikin bututu da bawuloli, da kuma mahimman kayan aiki da sassa na kayan aiki (kamar hole, ma'aunin matakin gilashin gani, da sauransu).Bugu da ƙari, ana amfani da haɗin gwiwar flange sau da yawa a wasu fannoni, kamar tanderun masana'antu, injiniyan zafi, samar da ruwa da magudanar ruwa, dumama da iska, sarrafa atomatik, da dai sauransu.
Nau'in kayan abu:
Karfe karfe, WCB carbon karfe, bakin karfe, 316L, 316, 304L, 304, 321, Chrome-molybdenum karfe, chrome-molybdenum-vanadium karfe, molybdenum titanium, roba rufi, fluorine rufi kayan.
Rabewa:
Flat waldi flange, wuyansa flange, butt walda flange, zobe haɗa flange, socket flange, da makafi farantin, da dai sauransu.
Matsayin gudanarwa:
Akwai jerin GB (misali na ƙasa), jerin JB (sashen injina), jerin HG (sashen sinadarai), ASME B16.5 (daidaitan Amurka), BS4504 (daidaitan Birtaniyya), DIN (daidaitan Jamus), JIS (daidaitan Jafananci).
Tsarin daidaitaccen bututun flange na duniya:
Akwai manyan ka'idojin flange na bututu na duniya guda biyu, wato tsarin flange na bututun Turai wanda DIN Jamus ke wakilta (ciki har da tsohuwar Tarayyar Soviet) da tsarin flange na bututun Amurka wanda ke wakilta ta bututun ANSI na Amurka.
1. Plate irin lebur waldi flange
amfani:
Ya dace don samun kayan aiki, mai sauƙi don ƙira, ƙananan farashi da amfani da yawa.
Rashin hasara:
Saboda rashin ƙarfi nasa, bai kamata a yi amfani da shi a cikin tsarin bututun sinadarai tare da buƙatun samarwa da buƙatu ba, ƙonewa, fashewa da babban digiri, kuma a cikin yanayi masu haɗari sosai.
Nau'in shimfidar hatimi yana da lebur da filaye masu ma'ana.
2. Flat waldi flange tare da wuyansa
Zamewa-on waldi flange tare da wuyansa nasa ne na kasa daidaitaccen tsarin ma'auni na flange.Yana da nau'i ɗaya na flange na ƙasa (wanda kuma aka sani da GB flange) kuma ɗayan flanges da aka saba amfani da su akan kayan aiki ko bututun.
amfani:
Shigarwa a kan shafin ya dace, kuma ana iya barin aiwatar da aikin waldawa
Rashin hasara:
Tsayin wuyansa na zamewa-kan flange waldi tare da wuyansa yana da ƙasa, wanda ke inganta ƙarfin hali da ƙarfin flange.Idan aka kwatanta da flange waldi na butt, aikin walda yana da girma, yawan amfani da sandar walda yana da girma, kuma ba zai iya jure yanayin zafi da matsa lamba ba, maimaita lankwasawa da canjin yanayin zafi.
3. Wuyan butt waldi flange
Siffofin rufewa na wuyan butt walda flange sun haɗa da:
RF, FM, M, T, G, FF.
amfani:
Haɗin ba shi da sauƙi don lalata, tasirin rufewa yana da kyau, kuma ana amfani dashi ko'ina.Ya dace da bututun da ke da manyan sauye-sauye a yanayin zafi ko matsa lamba, zazzabi mai zafi, matsa lamba da ƙarancin zafin jiki, da kuma bututun jigilar kayayyaki masu tsada, kafofin watsa labaru masu ƙonewa da fashewa, da iskar gas mai guba.
Rashin hasara:
Flange-welding na wuyan wuya yana da girma, mai girma, tsada, kuma yana da wuyar shigarwa da gano wuri.Sabili da haka, yana da sauƙin yin karo yayin sufuri.
4. Socket walda flange
Socket waldi flangeflange ne wanda aka yi masa walda da bututun karfe a gefe guda kuma a rufe a daya karshen.
Nau'in rufewa:
Tasowar fuska (RF), concave da convex fuska (MFM), tenon da tsagi (TG), fuskar haɗin gwiwa ta zobe (RJ)
Iyakar aikace-aikacen:
Boiler da matsa lamba jirgin ruwa, man fetur, sinadaran, shipbuilding, Pharmaceutical, karafa, inji, stamping gwiwar hannu abinci da sauran masana'antu.
Yawanci ana amfani dashi a cikin bututu tare da PN ≤ 10.0MPa da DN ≤ 40.
5. Zare flange
Wurin da aka zare shi ne flange wanda ba a welded ba, wanda ke tafiyar da rami na ciki na flange zuwa zaren bututu kuma yana haɗuwa da bututun da aka saƙa.
amfani:
Idan aka kwatanta da lebur waldi flange ko butt walda flange,zaren flangeyana da halaye masu dacewa da shigarwa da kulawa, kuma ana iya amfani da su akan wasu bututun da ba a yarda da su a walda su a wurin ba.Alloy karfe flange yana da isasshen ƙarfi, amma ba sauki weld, ko waldi yi ba shi da kyau, threaded flange kuma za a iya zaba.
Rashin hasara:
Lokacin da zafin jiki na bututun ya canza sosai ko kuma zafin jiki ya wuce 260 ℃ kuma ƙasa da -45 ℃, ana ba da shawarar kada a yi amfani da flange mai zaren don guje wa ɗigon ruwa.
6. Makafi
Hakanan an san shi da murfin flange da farantin makafi.Flange ne wanda ba shi da ramuka a tsakiya don rufe bututun.
Ayyukan iri ɗaya ne da na welded head da zaren hular bututu, sai dai wannanmakafi flangekuma za a iya cire hular bututu mai zare a kowane lokaci, yayin da shugaban welded ba zai iya ba.
Flange cover sealing surface:
Flat (FF), fuska mai tasowa (RF), madaidaicin fuska da fuska (MFM), fuska mai tsayi da tsagi (TG), fuskar haɗin gwiwa ta zobe (RJ)
Lokacin aikawa: Fabrairu-28-2023
