Hanyoyin Gwajin Matsi Don Bawul ɗin Masana'antu

Gabaɗaya, ba a yin gwajin ƙarfin ƙarfin lokacin da ake amfani da bawul ɗin masana'antu, amma yakamata a yi gwajin ƙarfin bayan an gyara jikin bawul da murfin bawul ko lalata.Don bawul ɗin aminci, matsinsa akai-akai da matsa lamba na dawowa da sauran gwaje-gwaje ya kamata su kasance daidai da umarninsa da ƙa'idodin da suka dace.Gwajin ƙarfin bawul da gwajin hatimin bawul ya kamata a yi a kan benci na gwajin bawul kafin shigar da bawul.Low matsa lamba bawul tabo duba 20%, idan bai cancanta ba ya kamata 100% dubawa;Ya kamata a duba bawul ɗin matsakaita da babban matsin lamba 100%.Kafofin watsa labarai da aka saba amfani da su don gwajin matsa lamba na bawul sune ruwa, mai, iska, tururi, nitrogen, da sauransu.
1. Hanyar gwajin matsa lamba na globe valve da magudanar ruwa
A cikin ƙarfin gwajinglobe bawulda bawul ɗin magudanar ruwa, bawul ɗin da aka haɗa yawanci ana sanya shi a cikin firam ɗin gwajin matsa lamba, ana buɗe diski ɗin bawul, ana allurar matsakaici zuwa ƙimar da aka ƙayyade, kuma duba ko jikin bawul ɗin da bawul ɗin yana rufe gumi da zubar.Hakanan za'a iya yin gwajin ƙarfi akan yanki ɗayaglobe bawul.A lokacin gwajin, tushen tushenglobe bawulyana tsaye a tsaye, ana buɗe faifan, sannan a gabatar da matsakaicin daga ƙasan faifan zuwa ƙayyadadden ƙimar, sannan a duba marufi da gasket.Bayan cancanta, rufe diski ɗin bawul ɗin kuma buɗe ɗayan ƙarshen don bincika yayyo. Idan duka ƙarfin bawul da gwajin hatimi suna buƙatar yin, na iya fara yin gwajin ƙarfi, sannan ƙasa zuwa ƙayyadadden ƙimar gwajin hatimi, duba marufin. da gasket;sa'an nan kuma rufe diski kuma buɗe mashigar don duba ko saman rufewa yana yoyo. Idan ƙarfin bawul ɗin da ƙarfin gwajin za a yi, za ku iya yin gwajin ƙarfin da farko, sannan ku depressurize zuwa ƙimar gwajin ƙarfi, duba marufi gasket;Sa'an nan kuma rufe faifan, buɗe ƙarshen maɓuɓɓugar don duba ko yayyowar saman rufewa.
2. Hanyar gwajin matsa lamba na ƙofar bawul
Gwajin ƙarfi nabakin kofadaidai yake da naglobe bawul.Akwai hanyoyi guda biyu don gwada tightness nabakin kofa.
(1) Ƙofar ta buɗe, don haka matsa lamba a cikin bawul ɗin ya tashi zuwa ƙimar da aka ƙayyade;Sannan rufe gate, nan da nan fitar dabakin kofa, Bincika ko akwai yabo a cikin hatimi a bangarorin biyu na ƙofar ko kuma saka matsakaicin gwajin kai tsaye a cikin filogi a kan murfin bawul zuwa ƙimar da aka ƙayyade, duba hatimin a bangarorin biyu na ƙofar.Hanyar da ke sama ana kiranta gwajin matsa lamba na matsakaici.Wannan hanya bai dace da gwajin hatimi nabakin kofatare da ƙananan diamita DN32mm a ƙasa.
(2) Wata hanyar ita ce buɗe ƙofar, don haka gwajin gwajin bawul zuwa ƙimar da aka ƙayyade;Sa'an nan kuma rufe ƙofar, buɗe ƙarshen farantin makafi, duba ko yayyowar saman rufewa.Sannan a juye, maimaita gwajin da ke sama har sai kun cancanta.
Gwajin matsatsi a tattarawa da gasket na pneumaticbakin kofaza a gudanar kafin tightness gwajin nabakin kofa.

3. Hanyar gwajin matsa lamba ball
Cutar huhuball bawulgwajin ƙarfin ya kamata ya kasance a cikin ƙwallonball bawulrabin bude jihar.
(1) gwajin hatimi naiyo ball bawul: Bawul ɗin yana cikin yanayin buɗewa, an gabatar da ƙarshen ɗaya a cikin matsakaicin gwajin, ɗayan kuma yana rufe.Juya ƙwallon sau da yawa, buɗe ƙarshen rufaffiyar lokacin da bawul ɗin ke rufe, kuma duba aikin hatimin na'urar filler da gasket a lokaci guda, kuma kada a sami zubewa.Sa'an nan kuma ana gabatar da matsakaicin gwajin daga ɗayan ƙarshen don maimaita gwajin da ke sama.
(2) Gwajin hatimi nakafaffen bawul: ƙwallon yana juyawa sau da yawa ba tare da kaya ba kafin gwajin, da kumakafaffen bawulan rufe shi, kuma an gabatar da matsakaicin gwajin daga wannan ƙarshen zuwa ƙayyadadden ƙimar;Ana amfani da ma'aunin matsa lamba don duba aikin rufewar ƙarshen mashigai.Matsakaicin ma'aunin matsa lamba shine 0.5-1, kuma kewayon shine sau 1.6 na gwajin gwajin.A cikin ƙayyadaddun lokaci, babu wani sabon abu na saukarwa da ya cancanci;sannan ana gabatar da matsakaicin gwajin daga wancan gefen don maimaita gwajin da ke sama.Sa'an nan kuma, bawul ɗin yana cikin yanayin buɗewa, duka ƙarshen suna rufe, rami na ciki yana cike da matsakaici, kuma ana duba filler da gasket a ƙarƙashin gwajin gwajin ba tare da yabo ba.
(3) Bawul ɗin ƙwallon ƙafa uku ya kamata ya kasance a kowane matsayi don gwajin hatimi.
4. Hanyar gwajin matsa lamba na toshe bawul
(1) Lokacin da aka yi gwajin ƙarfin ƙarfin filogi, ana gabatar da matsakaici daga ƙarshen ɗaya, kuma an rufe sauran hanyoyin.Ana juya filogi zuwa kowane matsayi na aiki na cikakken buɗewa bi da bi don gwaji.Kuma ba a samun yabo a jikin bawul din.
(2) A cikin gwajin hatimi, zakara madaidaiciya ya kamata ya kiyaye matsa lamba a cikin rami daidai da wancan a cikin hanya, juya filogi zuwa wurin da aka rufe, duba daga ɗayan ƙarshen, sannan juya filogi ta 180 ° zuwa maimaita gwajin da ke sama.Hanya uku ko hudu na toshe bawul ya kamata ya kiyaye matsa lamba a cikin ɗakin daidai da wancan a ƙarshen tashar, kuma filogi ya kamata a juya zuwa wurin da aka rufe bi da bi.Ya kamata a gabatar da matsa lamba daga ƙarshen kusurwar dama kuma a duba daga ɗayan ƙarshen a lokaci guda.
A gaban benci na gwajin bawul ɗin toshe, an ba da izini a yi amfani da wani Layer na man da ba acid dilute mai lubricating akan farfajiyar rufewa, kuma ba a sami ɗigogi da faɗaɗa ɗigon ruwa a cikin ƙayyadadden lokaci.Lokacin gwajin toshe bawul na iya zama ya fi guntu, gabaɗaya bisa ga ƙayyadaddun diamita na l ~ 3min.
Ya kamata a gwada bawul ɗin fulogi don iskar gas don matsananciyar iska a sau 1.25 na matsin aiki.
5. Hanyar gwajin matsa lamba na bawul ɗin malam buɗe ido
Gwajin ƙarfi napneumatic malam buɗe idodaidai yake da naglobe bawul.The sealing yi gwajin namalam buɗe idoyakamata a gabatar da matsakaicin gwajin daga matsakaicin matsakaicin matsakaici, yakamata a buɗe farantin malam buɗe ido, ɗayan ƙarshen yakamata a rufe, kuma matsa lamba na allura yakamata ya kai ƙimar da aka ƙayyade.Bayan duba marufi da sauran lilin lilin, rufe farantin malam buɗe ido, buɗe ɗayan ƙarshen, Ya cancanci bincika cewa babu yabo a cikin hatimin farantin malam buɗe ido.Butterfly bawuldon daidaita kwarara ba zai iya yin gwajin aikin hatimi ba.

6. Hanyar gwajin matsa lamba diaphragm
Thediaphragm bawulGwajin ƙarfin yana gabatar da matsakaici daga kowane ƙarshen, buɗe diski, kuma ɗayan ƙarshen yana rufe.Bayan gwajin gwajin ya tashi zuwa ƙayyadaddun ƙimar, ya cancanci ganin cewa jikin bawul da murfin bawul ba su da ɗigo.Sa'an nan kuma rage matsa lamba zuwa matsi na gwajin hatimi, rufe diski, buɗe sauran ƙarshen don dubawa, babu yabo da ya cancanta.
7. Hanyar gwajin matsa lamba na duba bawul
Duba bawulMatsayin gwaji: ɗaga duba bawul diski axis a cikin wani wuri perpendicular zuwa kwance;tashar tashar tashar da diski axis najuzu'i rajistan bawulsuna kusan layi daya da layin kwance.
A cikin gwajin ƙarfin, ana gabatar da matsakaicin gwajin daga ƙarshen shigarwa zuwa ƙayyadaddun ƙimar, kuma an rufe ɗayan ƙarshen.Ya cancanci ganin cewa jikin bawul da murfin bawul ba su da yabo.
Gwajin hatimi yana gabatar da matsakaicin gwajin daga ƙarshen fitarwa, kuma yana bincika saman rufewa a ƙarshen mashigai.Babu yabo a cikin filler da gasket ya cancanta.
8. Hanyar gwajin matsa lamba na bawul ɗin aminci
(1) Gwajin ƙarfin ƙarfin bawul ɗin aminci daidai yake da na sauran bawuloli, waɗanda aka gwada da ruwa.Lokacin gwada ƙananan ɓangaren bawul ɗin, an gabatar da matsa lamba daga mashigin I = I ƙare, kuma an rufe murfin rufewa;Lokacin gwada babban jiki da bonnet, ana gabatar da matsa lamba daga ƙarshen El kuma an rufe sauran ƙarshen.Jikin bawul da bonnet za su cancanci ba tare da yayyo ba cikin ƙayyadadden lokacin.
(2) Gwajin tsauri da gwajin matsa lamba akai-akai, matsakaicin gama gari da ake amfani da shi shine: bawul ɗin aminci na tururi tare da cikakken tururi azaman matsakaicin gwaji;Ammoniya ko sauran bawul ɗin gas tare da iska azaman matsakaicin gwaji;Bawul ɗin ruwa da sauran abubuwan da ba su lalacewa suna amfani da ruwa azaman matsakaicin gwaji.Don wasu mahimman matsayi na bawul ɗin aminci da aka fi amfani da nitrogen azaman matsakaicin gwaji.
Gwajin hatimi tare da ƙimar matsa lamba na ƙima azaman gwajin matsa lamba, adadin lokutan baya ƙasa da sau biyu, a cikin ƙayyadadden lokacin ba a sami ɗigogi ba.Akwai hanyoyi guda biyu na gano ɗigogi: ɗaya shine don rufe haɗin haɗin bawul ɗin aminci, da manna takarda nama tare da man shanu a kan flange na El, takarda na nama don zubarwa, ba kumbura don cancanta ba;Na biyu shi ne a yi amfani da man shanu don rufe farantin filastik na bakin ciki ko wasu faranti a cikin ƙananan ɓangaren fitilun fitilun, a cika ruwa don rufe diski ɗin bawul, da kuma duba cewa ruwan ba ya kumfa.Lokacin gwaji na matsa lamba akai-akai da matsa lamba na bawul ɗin aminci ba zai zama ƙasa da sau 3 ba.
9. Hanyar gwajin matsi na matsa lamba rage bawul
(1) Gwajin ƙarfin ƙarfin bawul ɗin rage matsin lamba yana haɗuwa gabaɗaya bayan gwaji ɗaya, ko bayan haɗuwa.Tsawon gwajin ƙarfin: DN<50mm 1min;Dn65-150mm ya fi tsayi fiye da 2min;DN>150mm ya fi tsayi fiye da 3 min.
Bayan an yi amfani da bellows da abubuwan da aka gyara, sau 1.5 na matsa lamba mafi girma bayan an yi amfani da bawul ɗin rage matsa lamba, kuma ana yin gwajin ƙarfi tare da iska.
(2) Ana yin gwajin ƙarfi bisa ga ainihin matsakaicin aiki.Lokacin gwaji tare da iska ko ruwa, za a gudanar da gwajin a 1.1 sau da yawa matsa lamba;Za a gudanar da gwajin tururi a madaidaicin matsin aiki da aka yarda a yanayin zafin aiki.Bambanci tsakanin matsa lamba mai shiga da matsa lamba ba zai zama ƙasa da 0.2MPa ba.Hanyar gwajin ita ce: bayan an saita matsa lamba na shigarwa, ana daidaita madaidaicin madaidaicin bawul ɗin a hankali, ta yadda matsa lamba na iya canzawa a hankali da ci gaba a cikin matsakaicin matsakaicin ƙimar ƙimar, kuma ba za a sami tsangwama da toshewa ba.Don bawul ɗin rage tururi, lokacin da aka cire matsa lamba mai shiga, rufe bawul ɗin da aka yanke a bayan bawul ɗin, kuma matsa lamba mafi girma kuma mafi ƙarancin ƙima.A cikin minti 2, godiyar matsa lamba ya kamata ya dace da buƙatun da suka dace.A lokaci guda, ƙarar bututun da ke bayan bawul ɗin ya cancanci daidai da buƙatun da ake buƙata.Don ruwa da iska mai rage bawul, lokacin da aka saita matsa lamba na shigarwa kuma matsa lamba ya zama sifili, ana rufe bawul ɗin rage don gwajin hatimi.Ya cancanci idan babu yabo a cikin mintuna 2.