Ka'idar aiki da ginin da kuma shigarwa na bawul ɗin malam buɗe ido na roba

Thebawul ɗin malam buɗe ido na robawani nau'in bawul ne wanda ke amfani da farantin malam buɗe ido mai zagaye a matsayin ɓangaren buɗewa da rufewa kuma yana juyawa tare da sandar bawul don buɗewa, rufewa da daidaita hanyar ruwa. Farantin malam buɗe ido nabawul ɗin malam buɗe ido na robaan sanya shi a cikin hanyar diamita ta bututun. A cikin hanyar silinda tabawul ɗin malam buɗe ido na robajiki, farantin malam buɗe ido mai siffar faifan yana juyawa a kusa da axis, kuma kusurwar juyawa tana tsakanin 0° da 90°. Idan ya juya zuwa 90°, bawul ɗin yana buɗe gaba ɗaya.

Gine-gine da wuraren shigarwa

1. Matsayin shigarwa, tsayi, da kuma alkiblar shigo da kaya da fitarwa dole ne su cika buƙatun ƙira, kuma haɗin ya kamata ya kasance mai ƙarfi da ƙarfi.

2. Ga duk wani nau'in bawuloli na hannu da aka sanya a kan bututun hana zafi, kada a yi amfani da makullin ƙasa.

3. Dole ne a yi duba na gani kafin a shigar da bawul ɗin, kuma farantin sunan bawul ɗin ya kamata ya cika buƙatun ƙa'idar ƙasa ta yanzu "General Valve Mark" GB12220. Ga bawul ɗin da matsin aikinsa ya fi 1.0MPa kuma yana taka rawa wajen yanke babban bututu, ya kamata a yi gwajin ƙarfi da aiki mai tsauri kafin a shigar da shi, kuma a bar shi ya yi amfani da shi bayan ya ci jarrabawar. A lokacin gwajin ƙarfi, matsin lambar gwajin ya ninka matsin lamba na asali sau 1.5, kuma tsawon lokacin ba zai wuce mintuna 5 ba. Ya kamata a daidaita wurin shigar bawul da marufi ba tare da zubewa ba. A cikin gwajin matsewa, matsin lambar gwajin ya ninka matsin lamba na asali sau 1.1; matsin lambar gwajin ya kamata ya cika buƙatun ƙa'idar GB50243 a lokacin gwajin, kuma saman rufe faifan bawul ɗin ya cancanci idan babu zubewa.

Wuraren zaɓin samfur

1. Babban sigogin sarrafawa nabawul ɗin malam buɗe ido na robasune ƙayyadaddun bayanai da girma.

2. Ana iya sarrafa shi da hannu, ta hanyar lantarki ko kuma ta hanyar zik, kuma ana iya gyara shi a kowace kusurwa a cikin kewayon 90°.

3. Saboda sandar guda ɗaya da farantin bawul ɗaya, ƙarfin ɗaukar kaya yana da iyaka, kuma tsawon rayuwar bawul ɗin ya yi gajere a ƙarƙashin yanayin babban bambancin matsin lamba da babban ƙimar kwarara.