Indlela yokukhethaivalvu yebhabhathane ejijekileyo ejikelezileyo?
Iivalvu zebhabhathane ezijijekileyozisetyenziswa kakhulu kwimibhobho yemveliso yemizi-mveliso. Umsebenzi wayo ophambili kukusika ukuhamba kwe-medium kwipayipi, okanye ukulungisa ukuhamba kwe-medium kwipayipi.Iivalvu zebhabhathane ezijijekileyozisetyenziswa kakhulu kwimibhobho yemveliso kumashishini ngokubanzi afana neeprojekthi zokugcina amanzi, unyango lwamanzi, ipetroliyam, ishishini leekhemikhali, kunye nokufudumeza izixeko, kwaye zingasetyenziswa nakwii-condenser kunye neenkqubo zamanzi okupholisa kwizikhululo zamandla obushushu.
Iivalvu zebhabhathane ezijijekileyozilungele ngokukodwa ukwenza iivalvu ezinkulu. Zisetyenziswa kakhulu kwicandelo lokulawula ubukhulu obukhulu. Xaivalvu yebhabhathane ejijekileyoivuliwe ngokupheleleyo, ukumelana nokuhamba kwamanzi kuncinci. Xa ipleyiti yebhabhathane ivuliwe kwi-engile emalunga ne-15-70° Xaivalvu yebhabhathane ejijekileyoinokulawula ukuhamba okuphakathi ngononophelo olukhulu.
Ukongeza, kuba ipleyiti yebhabhathane yeivalvu yebhabhathane ejijekileyoIneempawu zokusula xa ijikeleza, olu hlobo lwevalvu lungasetyenziswa kwimibhobho ene-slim particle media. Ngokwendlela eqina ngayo isitywino, ingasetyenziselwa umbhobho ophakathi omile njengomgubo kunye nowe-granular.
Uhlu lweiivalvu zebhabhathane ezijijekileyo
Iivalvu zebhabhathane zeFlangeinokwahlulwa ibe yitywina ethambileyoiivalvu zebhabhathane ezisicabakunye nesitywino esiqinileyoiivalvu zebhabhathane ezisicabangokwezinto ezisetyenziswa kumphezulu wokutywina.
Isibini sokutywinaivalvu yebhabhathane ethambileyo etywiniweyoyenziwe ngezinto zokutywina ezithambileyo ezifana nerabha kunye ne-fluoroplastics; ukutywina kwento etywiniweyoivalvu yebhabhathane ejijekileyoyenziwe ngebhodi edityanisiweyo esuka kwisinyithi iye kwisinyithi, isinyithi iye kwi-fluoroplastic kunye nebhodi edityanisiweyo enamaleko amaninzi.
Indandatho yokutywina yeivalvu yebhabhathane ethambileyo etywiniweyoingafakwa kwindawo yomzimba wevalvu, kwaye ingafakwa ijikeleze ipleyiti yebhabhathane. Xa isetyenziswa njengevalvu yokuvala, ukusebenza kwayo kokutywina kunokufikelela kwi-FCI70-2:2006 (ASME B16 104) VI Inqanaba liphezulu kakhulu kunelo levalvu yebhabhathane etywiniweyo eqinileyo; kodwa ngenxa yokuba izinto ezitywiniweyo ezithambileyo zinqunyelwe bubushushu bokusebenza, ivalvu yebhabhathane etywiniweyo ethambileyo idla ngokusetyenziswa kwicandelo lokugcina amanzi kunye nonyango lwamanzi kubushushu begumbi.
Isitywino esiqinileyo sesinyithiivalvu yebhabhathane esisangqainezibonelelo zezinto zokwakha, iyakwazi ukuziqhelanisa nobushushu obuphezulu bokusebenza, uxinzelelo oluphezulu lokusebenza, kwaye inobomi obude benkonzo kunesitywina esithambileyo, kodwa iingxaki zesitywina esiqinileyoivalvu yebhabhathane esisangqanazo zicacile. Kunzima ukufikelela ekutywinweni ngokupheleleyo, kwaye ukusebenza kokutywinwa kuphantsi kakhulu, ngoko ke olu hlobo lwevalvu yebhabhathane ejijekileyo lusetyenziswa rhoqo kwiimeko apho kungadingi ukusebenza okuphezulu kokutywinwa ukulawula ukuhamba.
Ixesha lokuthumela: Epreli-10-2023
