Kafin a shigar da bawul ɗin, gwajin ƙarfin bawul da gwajin hatimin bawul ya kamata a yi a kan benci na gwajin hydraulic valve. 20% na ƙananan bawuloli ya kamata a bincika bazuwar, kuma 100% yakamata a bincika idan basu cancanta ba; 100% na matsakaici da matsa lamba ya kamata a duba. Kafofin watsa labarai da aka saba amfani da su don gwajin matsa lamba na bawul sune ruwa, mai, iska, tururi, nitrogen, da sauransu.
Hanyar gwajin matsi na bawul
Gwajin ƙarfi na bawul ɗin malam buɗe ido na pneumatic iri ɗaya ne da na bawul ɗin duniya. A cikin gwajin aikin hatimi na bawul ɗin malam buɗe ido, yakamata a gabatar da matsakaicin gwajin daga ƙarshen ƙarshen matsakaici, buɗe farantin malam buɗe ido, sauran ƙarshen yakamata a rufe, kuma matsa lamba na allura yakamata ya kai ƙimar da aka ƙayyade; bayan an duba cewa babu yabo a cikin marufi da sauran hatimi, rufe farantin malam buɗe ido, buɗe ɗayan ƙarshen, sannan a duba bawul ɗin malam buɗe ido. Babu yabo a hatimin farantin da ya cancanta. Ba za a iya gwada bawul ɗin malam buɗe ido da aka yi amfani da shi don daidaita kwararar ruwa don aikin rufewa ba.
Hanyar gwajin matsi na duba bawul
Bincika yanayin gwajin bawul: madaidaicin faifan ɗaga duba bawul ɗin diski yana cikin matsayi daidai da a kwance; axis na tashar bawul ɗin dubawa na lilo da axis diski suna cikin matsayi kusan daidai da layin kwance.
A lokacin gwajin ƙarfin, ana gabatar da matsakaicin gwajin daga shigarwar zuwa ƙayyadadden ƙimar, kuma ɗayan ƙarshen yana rufe, kuma ya cancanci ganin cewa bawul ɗin bawul da murfin bawul ba su da yabo.
A cikin gwajin hatimi, ana gabatar da matsakaicin gwajin daga ƙarshen kanti, kuma ana duba wurin rufewa a ƙarshen mashigan, kuma babu yabo a marufi da gasket ɗin da suka cancanta.
Hanyar gwajin matsa lamba na ƙofar bawul
Gwajin ƙarfi na bawul ɗin ƙofar daidai yake da na bawul ɗin duniya. Akwai hanyoyi guda biyu don gwajin matsi na bawul ɗin ƙofar.
①Bude ƙofar don sanya matsa lamba a cikin bawul ɗin ya tashi zuwa ƙimar da aka ƙayyade; sa'an nan kuma rufe ƙofar, fitar da bawul ɗin ƙofar nan da nan, duba ko akwai ɗigogi a hatimai a bangarorin biyu na ƙofar, ko kuma kai tsaye allurar matsakaicin gwaji a cikin filogi a kan murfin bawul zuwa ƙimar da aka ƙayyade, duba hatimi akan duka biyun. bangarorin kofar. Hanyar da ke sama ana kiranta gwajin matsa lamba na matsakaici. Bai kamata a yi amfani da wannan hanyar ba don gwajin hatimi a kan bawul ɗin ƙofar da ke da diamita na ƙididdiga ƙasa da DN32mm.
②Wata hanya ita ce buɗe ƙofar don yin gwajin gwajin bawul ya tashi zuwa ƙimar da aka ƙayyade; sa'an nan rufe ƙofar, bude daya gefen farantin makafi, da kuma duba ko da sealing surface yana zubo. Sa'an nan kuma juya baya kuma maimaita gwajin da ke sama har sai ya cancanta.
Gwajin matsananciyar marufi da gasket na bawul ɗin ƙofar pneumatic za a yi shi kafin gwajin ƙarfi na ƙofar.
Hanyar gwajin matsa lamba na rage matsi
①Gwajin ƙarfin ƙarfin bawul ɗin rage matsin lamba ana haɗa shi gabaɗaya bayan gwajin yanki ɗaya, kuma ana iya gwada shi bayan haɗuwa. Tsawon gwajin ƙarfin: 1min na DN<50mm; fiye da 2min na DN65～150mm; fiye da 3min don DN> 150mm.
Bayan an haɗa ɓangarorin da abubuwan haɗin gwiwa, yi amfani da sau 1.5 matsakaicin matsa lamba na bawul ɗin rage matsa lamba, kuma gudanar da gwajin ƙarfi tare da iska.
②Za a gudanar da gwajin hana iska bisa ga ainihin matsakaicin aiki. Lokacin gwaji tare da iska ko ruwa, gwada a 1.1 sau da matsa lamba mara kyau; lokacin gwaji tare da tururi, yi amfani da matsakaicin matsi na aiki da aka yarda a ƙarƙashin zafin aiki. Bambanci tsakanin matsa lamba mai shiga da matsa lamba ana buƙatar ya zama ƙasa da 0.2MPa. Hanyar gwaji ita ce: bayan an daidaita matsa lamba na shigarwa, sannu a hankali daidaita madaidaicin madaidaicin bawul, ta yadda matsa lamba na iya canzawa a hankali da ci gaba a cikin kewayon mafi girma da mafi ƙarancin ƙima, ba tare da tsangwama ko cunkoso ba. Don matsa lamba na rage bawul, lokacin da aka daidaita matsa lamba mai shiga, ana rufe bawul bayan an rufe bawul, kuma matsa lamba mafi girma da mafi ƙasƙanci. A cikin 2min, karuwa a cikin matsa lamba ya kamata ya dace da buƙatun a cikin Table 4.176-22. A lokaci guda, bututun da ke bayan bawul ɗin ya kamata ya zama Ƙarfin ya dace da buƙatun da ke cikin Tebur 4.18 don cancanta; don ruwa da matsa lamba na iska na rage bawuloli, lokacin da aka saita matsa lamba na shigarwa kuma matsa lamba ba shi da sifili, ana rufe bawul ɗin rage matsa lamba don gwajin matsewa, kuma babu zubar cikin mintuna 2 da ya cancanta.
Hanyar gwajin matsi don bawul ɗin globe da bawul ɗin magudanar ruwa
Don ƙarfin gwajin ƙarfin globe bawul da bawul ɗin magudanar ruwa, ana sanya bawul ɗin da aka haɗa yawanci a cikin firam ɗin gwajin matsa lamba, ana buɗe diski ɗin bawul, ana allurar matsakaici zuwa ƙimar da aka ƙayyade, kuma ana duba jikin bawul da murfin bawul don gumi kuma yabo. Hakanan ana iya yin gwajin ƙarfin akan yanki ɗaya. Gwajin matsewa don bawul ɗin kashewa ne kawai. A lokacin gwajin, bawul ɗin bawul ɗin bawul ɗin globe yana cikin yanayin tsaye, an buɗe diski na bawul, ana gabatar da matsakaici daga ƙarshen ƙarshen diski zuwa ƙimar da aka ƙayyade, kuma ana duba tattarawa da gasket; bayan an gama gwajin, an rufe diski ɗin bawul ɗin, sannan a buɗe ɗayan ƙarshen don bincika ko akwai yabo. Idan ana so a yi gwajin ƙarfi da ƙarfi na bawul ɗin, za a iya yin gwajin ƙarfin da farko, sannan za a rage matsa lamba zuwa ƙayyadadden ƙimar gwajin ƙarfi, kuma ana duba marufi da gasket; sa'an nan a rufe bawul diski, da kuma bude kanti karshen don duba ko da sealing surface yana yoyo.
Hanyar gwajin matsi na ball bawul
Gwajin ƙarfin ƙarfin ƙwallon ƙafa na pneumatic ya kamata a gudanar da shi a cikin rabin buɗaɗɗen yanayin ƙwallon ƙwallon.
①Gwajin hatimin ƙwallon ƙwallon ƙwallon ƙafa: sanya bawul ɗin a cikin rabin buɗewa, gabatar da matsakaicin gwajin a ƙarshen ɗaya, kuma rufe ɗayan ƙarshen; juya ƙwallon sau da yawa, buɗe ƙarshen rufaffiyar lokacin da bawul ɗin yana cikin rufaffiyar yanayin, kuma duba aikin hatimi a marufi da gasket a lokaci guda. Kada a sami yabo. Ana gabatar da matsakaicin gwajin daga ɗayan ƙarshen kuma ana maimaita gwajin da ke sama.
②Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa yana cikin Rufaffen Jihar , kuma an gabatar da matsakaicin gwajin daga wannan ƙarshen zuwa ƙayyadadden ƙimar; Ana duba aikin hatimi na ƙarshen gabatarwar tare da ma'aunin ma'auni, kuma daidaitaccen ma'auni shine 0.5 zuwa 1, kewayon shine sau 1.6 na gwajin gwajin. A cikin ƙayyadadden lokacin, idan babu wani abin damuwa na damuwa, ya cancanta; sannan gabatar da matsakaicin gwajin daga ɗayan ƙarshen, kuma maimaita gwajin da ke sama. Sa'an nan kuma, sanya bawul ɗin a cikin rabin-bude bude, rufe duka iyakar, kuma cika rami na ciki tare da matsakaici. Bincika marufi da gasket a ƙarƙashin matsi na gwaji, kuma dole ne babu yabo.
③Za a gwada bawul ɗin ƙwallon ƙwallon ƙafa uku don matsa lamba a kowane matsayi.
Lokacin aikawa: Maris-02-2022
