3. Rage matsin lambabawulhanyar gwajin matsin lamba

① Gwajin ƙarfi na bawul ɗin rage matsin lamba gabaɗaya ana haɗa shi bayan gwaji ɗaya, kuma ana iya haɗa shi bayan gwajin. Tsawon lokacin gwajin ƙarfi: Minti 1 tare da DN<50mm; DN65 ~ 150mm ya fi minti 2; Idan DN ya fi 150mm, ya fi minti 3. Bayan an haɗa bellows ɗin da abubuwan haɗin, ana amfani da matsi mafi girma sau 1.5 bayan bawul ɗin rage matsin lamba, kuma ana yin gwajin ƙarfi da iska.
② Ana yin gwajin matsewa bisa ga ainihin yanayin aiki. Lokacin gwaji da iska ko ruwa, ana yin gwajin sau 1.1 na matsin lamba na asali; Lokacin gwaji da tururi, ana yin sa a mafi girman matsin lamba na aiki da aka yarda a zafin aiki. Bambanci tsakanin matsin lamba na shiga da matsin lamba na fita bai kamata ya zama ƙasa da 0.2MPa ba. Hanyar gwaji ita ce kamar haka: bayan an daidaita matsin lamba na shiga, ana daidaita sukurori na daidaitawa na bawul ɗin a hankali don a iya canza matsin lamba na fita cikin sauƙi da ci gaba a cikin matsakaicin da mafi ƙarancin ƙima, ba tare da tsayawa da toshewa ba. Ga bawul ɗin rage matsin lamba na tururi, lokacin da aka cire matsin lamba na shiga, ana rufe bawul ɗin sannan a yanke bawul ɗin, kuma matsin lamba na fita shine mafi girma da mafi ƙanƙanta. A cikin mintuna 2, ƙimar matsin lamba na fita ya kamata ta bi ƙa'idodin. Don bawul ɗin rage matsin lamba na ruwa da iska, lokacin da aka daidaita matsin lamba na shiga kuma matsin lamba na fita sifili ne, ana rufe bawul ɗin rage matsin lamba don gwajin rufewa, kuma babu wani zubewa cikin mintuna 2 da aka cancanta.

4. Bawul ɗin malam buɗe idohanyar gwajin matsin lamba

Gwajin ƙarfi na bawul ɗin malam buɗe ido na iska iri ɗaya ne da na bawul ɗin duniya. Gwajin aikin rufewa na bawul ɗin malam buɗe ido ya kamata ya gabatar da matsakaicin gwajin daga ƙarshen shigowa, farantin malam buɗe ido ya kamata a buɗe, ɗayan ƙarshen kuma a rufe, kuma matsin lamba na allura ya kamata ya kai ƙimar da aka ƙayyade; Bayan duba cewa babu ɓuɓɓuga a cikin marufi da sauran hatimai, rufe farantin malam buɗe ido, buɗe ɗayan ƙarshen, kuma duba cewa babu ɓuɓɓuga a cikin hatimin farantin malam buɗe ido. Bawul ɗin malam buɗe ido da ake amfani da su don daidaita kwarara ba sa yin gwajin aikin rufewa.

5.Bawul ɗin toshewahanyar gwajin matsin lamba
①Lokacin da aka gwada ƙarfin bawul ɗin toshewa, ana shigar da matsakaici daga gefe ɗaya, sauran hanyar za a rufe ta, kuma ana juya toshewar zuwa wurin aiki a buɗe don gwaji, kuma ba a ga jikin bawul ɗin yana zubewa ba.
② A cikin gwajin rufewa, zakara mai madaidaiciya ya kamata ya kiyaye matsin lamba a cikin ramin daidai da hanyar wucewa, juya toshe zuwa matsayin rufewa, duba daga ɗayan ƙarshen, sannan juya toshe 180° don maimaita gwajin da ke sama; Bawul ɗin toshe mai hanyoyi uku ko huɗu ya kamata ya kiyaye matsin lamba a cikin ramin daidai da ƙarshen hanyar wucewa, juya toshe zuwa matsayin rufewa bi da bi, gabatar da matsin lamba daga ƙarshen kusurwar dama, kuma duba ɗayan ƙarshen a lokaci guda.
Kafin gwajin bawul ɗin toshewa, ana ba shi damar shafa wani Layer na mai mai narkewa mara acidic a saman rufewa, kuma ba a sami ɗigon ruwa da faɗaɗa ba a cikin takamaiman lokacin. Lokacin gwajin bawul ɗin toshewa na iya zama gajere, gabaɗaya ana ƙayyade shi azaman l ~ minti 3 bisa ga diamita na asali.
Ya kamata a gwada bawul ɗin toshe iskar gas don tabbatar da cewa iskar tana da ƙarfi sau 1.25 fiye da matsin lamba na aiki.

6.Bawul ɗin Diaphragmhanyar gwajin matsin lamba

Gwajin ƙarfin bawul ɗin diaphragm yana gabatar da matsakaici daga kowane ƙarshen, yana buɗe faifan bawul, sannan ya rufe ɗayan ƙarshen. Bayan matsin lambar gwajin ya tashi zuwa ƙimar da aka ƙayyade, ya cancanci ganin cewa jikin bawul da murfin bawul ba su da ɓuɓɓuga. Sannan rage matsin lamba zuwa matsin lambar gwajin matsewa, rufe faifan bawul, buɗe ɗayan ƙarshen don dubawa, babu wani ɓuɓɓuga da aka cancanta.

7.Bawul ɗin tsayawakumabawul ɗin maƙullihanyar gwajin matsin lamba
Gwajin ƙarfi na bawul ɗin duniya da bawul ɗin matsi yawanci ana sanya bawul ɗin da aka haɗa a cikin rack ɗin gwajin matsi, a buɗe faifan bawul, a allurar matsakaici zuwa ƙimar da aka ƙayyade, sannan a duba ko jikin bawul ɗin da murfin bawul ɗin suna gumi da zubar da ruwa. Haka kuma ana iya yin gwajin ƙarfi daban-daban. Gwajin matsi yana kan bawul ɗin tsayawa ne kawai. A lokacin gwajin, tushen bawul ɗin tsayawa yana cikin yanayi a tsaye, ana buɗe faifan bawul ɗin, ana gabatar da matsakaici daga ƙasan faifan bawul ɗin zuwa ƙimar da aka ƙayyade, kuma ana duba marufi da gasket. Idan an cancanta, rufe faifan bawul ɗin kuma buɗe ɗayan ƙarshen don duba ko akwai zubewa. Idan za a yi gwajin ƙarfi da matsi na bawul, za a iya yin gwajin ƙarfi da farko, sannan a rage matsin zuwa ƙimar da aka ƙayyade na gwajin matsi, kuma ana duba marufi da gasket. Sannan a rufe faifan bawul ɗin, a buɗe ƙarshen fitarwa don duba ko zubewar saman rufewa.