Isingeniso se-Butterfly Valve

Isingeniso:

Ivalvu yebhabhathaneivela emndenini wama-valve abizwa ngokuthiamavalvu okujika kwekota. Lapho isebenza, ivalvu ivuleka noma ivaliwe ngokuphelele uma idiski ijikeleziswa ikota yokujika. “Uvemvane” yidiski yensimbi efakwe endukwini. Uma ivalvu ivaliwe, idiski ijikeleziswa ukuze ivale ngokuphelele indlela yokuhamba. Uma ivalvu ivuliwe ngokuphelele, idiski ijikeleziswa ikota yokujika ukuze ivumele ukudlula koketshezi okucishe kungabi namingcele. Ivalvu ingavulwa kancane kancane ukuze kugeleze i-throttle.

Kunezinhlobo ezahlukene zamavalvu e-butterfly, ngalinye lilungele ukucindezela okuhlukile kanye nokusetshenziswa okuhlukile. Ivalvu ye-butterfly engu-zero-offset, esebenzisa ukuguquguquka kwerabha, inesilinganiso sokucindezela esiphansi kakhulu. Ivalvu ye-butterfly engu-double offset esebenza kahle kakhulu, esetshenziswa ezinhlelweni zokucindezela okuphezulu kancane, isuswa emgqeni ophakathi wesihlalo sediski kanye nesivalo somzimba (i-offset eyodwa), kanye nomugqa ophakathi we-bore (i-offset ezimbili). Lokhu kudala isenzo se-cam ngesikhathi sokusebenza sokuphakamisa isihlalo siphume esivalweni okuholela ekungqubuzaneni okuncane kunalokho okudalwe ekwakhiweni kwe-offset engu-zero futhi kunciphisa ukuthambekela kwaso kokuguga. Ivalvu efaneleka kakhulu ezinhlelweni zokucindezela okuphezulu yivalvu ye-butterfly engu-triple offset. Kule valve i-axis yokuxhumana yesihlalo sediski isusiwe, esebenza ukuqeda ngokuphelele ukuxhumana okushelelayo phakathi kwediski nesihlalo. Endabeni yamavalvu e-triple offset, isihlalo senziwe ngensimbi ukuze sikwazi ukushintshwa ukuze kufezwe ukuvalwa okuqinile kwebhamuza lapho sithintana nediski.

Izinhlobo

1. Amavalvu ebhabhathane aqinile– lolu hlobo lwevalvu lunesihlalo serabha esiqinile esinediski yensimbi.
2. Amavalvu ebhabhathane anombala ophindwe kabili(ama-valve e-butterfly asebenza kahle kakhulu noma ama-valve e-butterfly aphindwe kabili) – izinhlobo ezahlukene zezinto zisetshenziselwa isihlalo kanye nediski.
3. Amavalvu ebhabhathane anombala ohlukile(amavalvu ebhabhathane amathathu) – izihlalo zenziwe nge-laminate noma nge-solid metal seat design.

Amavalvu ebhabhathane esitayela se-wafer

Iivalvu yebhabhathane yesitayela se-waferiklanyelwe ukugcina uphawu luphikisana nomehluko wokucindezela oqondene nezinhlangothi ezimbili ukuvimbela noma yikuphi ukugeleza emuva ezinhlelweni ezenzelwe ukugeleza okuqondene nezinhlangothi zombili. Ifeza lokhu ngophawu oluhambisana kahle; okungukuthi, i-gasket, i-o-ring, umshini oqondile, kanye nobuso be-valve eyisicaba ezinhlangothini eziphezulu nezaphansi ze-valve.

Ivalvu yebhabhathane yesitayela se-Lug

Amavalvu esitayela se-Luginezifakelo ezinezintambo ezinhlangothini zombili zomzimba wevalvu. Lokhu kuvumela ukuthi zifakwe ohlelweni olusebenzisa amasethi amabili amabhawodi futhi azikho amantongomane. Ivalvu ifakwa phakathi kwamaflange amabili kusetshenziswa isethi ehlukile yamabhawodi eflange ngayinye. Lokhu kusetha kuvumela ukuthi noma yiluphi uhlangothi lwesistimu yamapayipi lunqanyulwe ngaphandle kokuphazamisa olunye uhlangothi.

Ivalvu yebhabhathane yesitayela se-lug esetshenziswa enkonzweni ye-dead end ngokuvamile inesilinganiso sokucindezela esincishisiwe. Isibonelo, ivalvu yebhabhathane yesitayela se-lug efakwe phakathi kwama-flange amabili inesilinganiso sokucindezela esingu-1,000 kPa (150 psi). Ivalvu efanayo efakwe ne-flange eyodwa, enkonzweni ye-dead end, inesilinganiso esingu-520 kPa (75 psi). Amavalvu aboshwe amelana kakhulu namakhemikhali kanye nezinyibilikisi futhi angaphatha amazinga okushisa afinyelela ku-200 °C, okwenza kube yisisombululo esiguquguqukayo.

Ukusetshenziswa embonini

Ezimbonini zemithi, zamakhemikhali, kanye nezokudla, ivalvu yebhabhathane isetshenziswa ukuphazamisa ukugeleza komkhiqizo (okuqinile, okuwuketshezi, igesi) ngaphakathi kwenqubo. Amavalvu asetshenziswa kulezi zimboni avame ukukhiqizwa ngokweziqondiso ze-cGMP (umkhuba omuhle wokukhiqiza wamanje). Amavalvu ebhabhathane ngokuvamile athatha indawo yamavalvu ebhola ezimbonini eziningi, ikakhulukazi uphethiloli, ngenxa yezindleko eziphansi kanye nokulula kokufakwa, kodwa amapayipi aqukethe amavalvu ebhabhathane awakwazi 'ukuhlanzwa' ukuze ahlanzwe.

Izithombe