Gabaɗaya, bawul ɗin masana'antu ba a fuskantar gwajin ƙarfi lokacin da ake amfani da su, amma jikin bawul da murfin bawul bayan gyare-gyare ko jikin bawul da murfin bawul tare da lalata lalata yakamata a yi gwajin ƙarfi. Don bawuloli masu aminci, saiti da matsa lamba na wurin zama da sauran gwaje-gwaje yakamata su bi tanadin umarninsu da ƙa'idodin da suka dace. Ya kamata a ba da bawul ɗin ƙarfin ƙarfi da gwaje-gwajen hatimi bayan shigarwa. 20% na ƙananan bawuloli ana duba su ba tare da izini ba, kuma idan ba su cancanta ba, ya kamata a duba su 100%; Ya kamata a duba bawuloli masu matsakaici da matsa lamba 100%. Kafofin watsa labaru da aka saba amfani da su don gwajin matsa lamba na bawul sune ruwa, mai, iska, tururi, nitrogen, da dai sauransu. Hanyoyin gwajin matsin lamba na bawul ɗin masana'antu daban-daban ciki har da bawul ɗin pneumatic sune kamar haka:

1. Hanyar gwajin matsi don bawul ɗin ball

Ya kamata a yi gwajin ƙarfin ƙarfin ƙwallon ƙafa na pneumatic tare da ƙwallon rabin buɗewa.

① Ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙafa: sanya bawul a cikin rabin-bude jihar, gabatar da matsakaicin gwajin a ƙarshen ɗaya, kuma rufe ɗayan ƙarshen; kunna ƙwallon sau da yawa, buɗe ƙarshen rufaffiyar lokacin da bawul ɗin yana cikin rufaffiyar yanayi, kuma duba aikin hatimin marufi da gasket a lokaci guda. Kada a sami yabo. Sannan gabatar da matsakaicin gwajin daga ɗayan ƙarshen kuma maimaita gwajin da ke sama.

② Kafaffen ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙafa: Kafin gwajin, juya ƙwallon sau da yawa ba tare da kaya ba, ƙayyadadden ƙwallon ƙwallon yana cikin yanayin da aka rufe, kuma an gabatar da matsakaicin gwajin daga ƙarshen ƙarshen zuwa ƙayyadaddun ƙimar; yi amfani da ma'aunin matsa lamba don duba aikin hatimi na ƙarshen shigarwar, kuma yi amfani da ma'aunin matsa lamba tare da daidaiton matakin 0.5 zuwa 1 da kewayon sau 1.5 na gwajin gwajin. A cikin ƙayyadadden lokacin, idan babu raguwar matsa lamba, ya cancanta; Sannan gabatar da matsakaicin gwajin daga ɗayan ƙarshen kuma maimaita gwajin da ke sama. Sa'an nan, bawul ɗin yana cikin yanayin buɗewa, duka biyun an rufe su, rami na ciki yana cike da matsakaici, kuma ana duba marufi da gasket a ƙarƙashin gwajin gwajin. Dole ne babu yabo.

③Ya kamata a gwada bawul ɗin ƙwallon ƙafa uku don yin hatimi a wurare daban-daban.

2. Hanyar gwajin matsi na duba bawul

Gwajin gwajin bawul: Ƙaƙwalwar faifan bawul na bawul ɗin dubawa na ɗagawa yana cikin matsayi daidai da a kwance; madaidaicin tashar tashar da ma'auni na diski na bawul na ƙwanƙwasa mai juyawa suna cikin matsayi kusan daidai da layin kwance.

A lokacin gwajin ƙarfin, ana gabatar da matsakaicin gwajin daga ƙarshen mashigai zuwa ƙayyadadden ƙimar, kuma ɗayan ƙarshen yana rufe. Ya cancanci ganin cewa babu yabo a jikin bawul da murfin bawul.

Gwajin hatimi yana gabatar da matsakaicin gwajin daga ƙarshen fitarwa, kuma yana bincika saman rufewa a ƙarshen mashigai. Marufi da gasket sun cancanta idan babu yabo.

3. Hanyar gwajin matsi na matsa lamba rage bawul

① Ƙwararriyar ƙarfin ƙarfin ƙarfin bawul ɗin rage matsin lamba yana haɗuwa gabaɗaya bayan gwaji ɗaya, kuma ana iya gwada shi bayan haɗuwa. Tsawon gwajin ƙarfi: 1min na DN<50mm; fiye da 2min na DN65 ~ 150mm; fiye da 3min don DN> 150mm. Bayan bellows da taro suna welded, ana yin gwajin ƙarfin ƙarfi tare da iska a sau 1.5 matsakaicin matsa lamba bayan matsa lamba rage bawul.

② Ana yin gwajin hatimi bisa ga ainihin matsakaicin aiki. Lokacin gwaji tare da iska ko ruwa, ana yin gwajin a 1.1 sau da yawa matsa lamba; lokacin gwaji tare da tururi, ana yin gwajin a matsakaicin matsakaicin aiki da aka yarda a zafin aiki. Bambanci tsakanin matsa lamba mai shiga da matsa lamba ana buƙatar ya zama ƙasa da 0.2MPa. Hanyar gwajin ita ce: bayan an saita matsa lamba, sannu a hankali daidaita madaidaicin bawul ɗin ta yadda matsa lamba na iya canzawa a hankali da ci gaba a cikin matsakaicin matsakaicin ƙimar ƙimar, kuma dole ne babu tsayawa ko toshewa. Don matsa lamba na rage bawuloli, lokacin da aka daidaita matsa lamba mai shiga, an rufe bawul ɗin kashewa a bayan bawul ɗin, kuma matsa lamba mafi girma kuma mafi ƙasƙanci. A cikin mintuna 2, haɓakar matsin lamba ya kamata ya dace da buƙatun Teburin 4.176-22. A lokaci guda, ƙarar bututun da ke bayan bawul ɗin ya cika buƙatun Table 4.18 don cancanta; don ruwa da matsa lamba na iska na rage bawuloli, lokacin da aka daidaita matsa lamba na shigarwa kuma matsa lamba ba shi da sifili, ana rufe bawul ɗin rage matsin lamba don gwajin hatimi, kuma babu wani zube cikin mintuna 2 da ya cancanta.

4. Hanyar gwajin matsin lamba na bawul ɗin malam buɗe ido

Gwajin ƙarfi na bawul ɗin malam buɗe ido na pneumatic iri ɗaya ne da na bawul ɗin tsayawa. Gwajin aikin hatimi na bawul ɗin malam buɗe ido ya kamata ya gabatar da matsakaicin gwajin daga matsakaicin matsakaicin matsakaici, ya kamata a buɗe farantin malam buɗe ido, ɗayan ƙarshen ya kamata a rufe, kuma matsa lamba ya kamata a allura zuwa ƙimar da aka ƙayyade; bayan an duba cewa babu yabo a cikin marufi da sauran sassan rufewa, sai a rufe farantin malam buɗe ido, buɗe ɗayan ƙarshen, sannan a duba cewa babu ɗigogi a cikin ɓangaren liti na malam buɗe ido don cancanta. Bawul ɗin malam buɗe ido da aka yi amfani da shi don daidaita kwarara ba ya buƙatar a gwada aikin hatimi.

5. Hanyar gwajin matsa lamba na toshe bawul

① Lokacin da aka gwada bawul ɗin fulogi don ƙarfi, ana gabatar da matsakaici daga ƙarshen ɗaya, an rufe sauran nassi, kuma ana jujjuya filogi zuwa wuraren aiki da aka buɗe gabaɗaya don gwaji. Jikin bawul ɗin ya cancanta idan ba a sami yabo ba.

② A lokacin gwajin hatimi, madaidaiciyar bawul ɗin toshe ya kamata ya kiyaye matsa lamba a cikin rami daidai da wancan a cikin nassi, juya filogi zuwa wurin da aka rufe, duba daga ɗayan ƙarshen, sannan juya filogin 180 ° don maimaitawa. a sama gwajin; Wutar filogi ta hanyoyi uku ko hudu ya kamata ya kiyaye matsa lamba a cikin rami daidai da wancan a ƙarshen hanyar, juya filogi zuwa wurin da aka rufe bi da bi, gabatar da matsa lamba daga ƙarshen kusurwar dama, kuma duba daga sauran ƙare a lokaci guda.

Kafin gwada bawul ɗin filogi, an ba da izinin yin amfani da wani nau'in mai na bakin ciki na bakin ciki mara acidic akan saman rufewa. Idan ba a sami ɗigogi ko faɗaɗa ɗigon ruwa a cikin ƙayyadadden lokacin ba, ya cancanci. Lokacin gwaji na bawul ɗin fulogi na iya zama ya fi guntu, gabaɗaya an ƙayyade shi azaman mintuna 1 zuwa 3 gwargwadon diamita na ƙima.

Ya kamata a gwada bawul ɗin toshe don iskar gas don matsananciyar iska a sau 1.25 na matsin aiki.

6. Hanyar gwajin matsa lamba na bawul ɗin diaphragm Ƙarfin gwajin ƙarfin diaphragm shine don gabatar da matsakaici daga kowane ƙarshen, buɗe diski na bawul, kuma rufe ɗayan ƙarshen. Bayan gwajin gwajin ya tashi zuwa ƙayyadaddun ƙimar, duba idan babu yabo a jikin bawul da murfin bawul. Sa'an nan kuma rage matsa lamba zuwa matsa lamba gwajin hatimi, rufe faifan bawul, buɗe ɗayan ƙarshen don dubawa, kuma wuce idan babu yabo.

7. Hanyar gwajin matsa lamba na bawuloli tasha da magudanar ruwa

Don ƙarfin gwajin ƙarfin tasha da bawul ɗin magudanar ruwa, galibi ana sanya bawul ɗin da aka haɗa a cikin kwandon gwajin matsa lamba, ana buɗe diski ɗin bawul, ana allurar matsakaici zuwa ƙimar da aka ƙayyade, kuma ana bincika jikin bawul da murfin bawul don gumi yabo. Hakanan ana iya yin gwajin ƙarfin akan yanki ɗaya. Ana yin gwajin hatimin ne kawai akan bawul ɗin tsayawa. A lokacin gwajin, bawul ɗin bawul ɗin bawul ɗin tsayawa yana cikin yanayin tsaye, ana buɗe diski ɗin, kuma ana gabatar da matsakaici daga ƙarshen ƙarshen diski zuwa ƙimar da aka ƙayyade, kuma ana duba fakitin da gasket; bayan ƙetare gwajin, an rufe diski ɗin bawul kuma an buɗe ɗayan ƙarshen don bincika yatsan yatsa. Idan za a yi gwaje-gwajen ƙarfin bawul da na hatimi, za a iya yin gwajin ƙarfin da farko, sannan za a iya rage matsa lamba zuwa ƙayyadaddun ƙimar gwajin hatimi, kuma za a iya bincika kaya da gasket; sannan za'a iya rufe diski na bawul kuma za'a iya buɗe ƙarshen ƙarshen don duba ko saman rufewa yana yoyo.