Zaɓin zaɓi mai ma'ana na nau'in bawul zai iya rage yawan amfani da kayan, rage juriya na gida da amfani da makamashi, sauƙaƙe shigarwa da rage kulawa.A cikin wannan labarin, Dongsheng Valve ya gabatar muku da bawuloli da ake amfani da su don ruwan teku.
1. Shut-kashe bawul
Diamita na tsarin bututu a cikin tsaftataccen ruwan teku gabaɗaya shine DN300-DN1600, wanda ya wuce iyakar amfani da na gaba ɗaya.ball bawulolida globe valves.Idan aka kwatanta dabakin kofana wannan caliber (Z41H), damalam buɗe idoyana da fa'idodin tsari mai sauƙi, juriya mai sauƙin lalata, ɗan gajeren lokacin shigarwa, ƙarancin ƙarfin ƙarfe, da makamancin juriya na juriya na bawul.Yana da mafi tattali da aiki don zaɓar bawul ɗin malam buɗe ido azaman bawul ɗin kashewa.Dangane da matakin matsa lamba, ana iya raba bawul ɗin malam buɗe ido zuwa ƙananan bawul ɗin malam buɗe ido da manyan bawul ɗin malam buɗe ido.
Low matsa lamba malam buɗe ido bawul
Bawul ɗin malam buɗe ido mai ƙarancin ƙarfi zai iya ɗaukar bawul ɗin roba na malam buɗe ido mara layi na tsakiya.Lokacin da bawul ɗin malam buɗe ido ya yi ƙasa da ko daidai da DN500, ana ɗaukar haɗin wafer.Lokacin da bawul ɗin malam buɗe ido ≥DN550, an karɓi haɗin flange.Lokacin da diamita na bawul ɗin malam buɗe ido bai kai ko daidai da 6in ba.(DN150), ƙarfin buɗewa bai wuce 400N ba, kuma ana sarrafa shi ta hannun hannu.Lokacin da diamita na bawul ɗin malam buɗe ido ya kasance ≥8in.(DN200), ana sarrafa shi da akwatin kaya.Saboda ƙananan matsa lamba na ƙananan bawul ɗin matsa lamba, yin amfani da tsarin tsakiya ba zai ƙara yawan karfin juyi ba.Wannan tsarin yana da hatimi guda biyu.Ana samun babban hatimi ta hanyar daɗaɗɗen ƙarfi na farantin malam buɗe ido da wurin zama na bawul, kuma hatimi na biyu yana samuwa ne ta hanyar tsangwama na tushen bawul da ramin wurin zama.Tun da bawul ɗin bawul ɗin ya keɓe gaba ɗaya daga matsakaici kuma baya ɗauka a cikin ruwan teku, ana iya yin bututun bawul na 2Cr13 ko kayan daidai.Jikin bawul ɗin an yi shi ne da rufin ƙarfe na ductile EPDM don haɓaka aikin hatimi.Tun da jikin bawul ɗin ba ya hulɗa tare da matsakaici, abubuwan da ake buƙata na kayan aiki na jikin bawul sun ragu.
Babban matsa lamba malam buɗe ido
Lokacin zabar kayan bawul ɗin malam buɗe ido, ban da la'akari da abubuwan lalata na ruwan teku, ana buƙatar la'akari da juriya na kayan.Lokacin da matsa lamba na aiki shine 69bar kuma matsakaicin matsa lamba shine ≥85bar (matsi na rufewa na reverse osmosis high-matsi famfo), saboda babban matsa lamba na baya, don rage Torque, babban matsin malam buɗe ido yana ɗaukar tsarin eccentric sau biyu.Lokacin da girman girman bawul ɗin malam buɗe ido shine ≤DN500, ana ɗaukar haɗin wafer.Lokacin da girman girman bawul ɗin malam buɗe ido shine ≥DN550, ana ɗaukar haɗin flange.Matsayin matsin lamba shine CI600, jikin bawul da farantin malam buɗe ido an yi su ne da ƙarfe mai dual-lokaci ASTMA995GR.4A.Saboda ƙwanƙolin bawul ɗin yana nunawa ga matsakaici, an yi shi da ASTMA276UNS31803, kuma kayan wurin zama na bawul shine RPTFE.Tsarin eccentric sau biyu yana ƙara ƙarfin juriya na gida.Farantin malam buɗe ido da bututun bawul ɗin suna buƙatar fil don gyarawa, kuma buƙatun hana lalata na fil ɗin daidai suke da sauran abubuwan da ke gudana ta hanyar.
Ana shigar da bawul ɗin rajistan ne a mashigar famfon ruwan teku don hana komawar ruwan teku da guduma daga lalata kayan aiki.A halin yanzu, bawul ɗin rajistan da ake amfani da su a cikin ayyukan tsabtace ruwan teku sun haɗa da bawul ɗin binciken malam buɗe ido a hankali, mai cikakken layin roba.malam buɗe ido wafer duba bawuloli,maɗaukakin wafer cak guda ɗayada guda m duplex karfe wafer duba bawuloli.
Sannun rufewar malam buɗe ido duba bawul
Babban abu na jinkirin rufewa malam buɗe ido duba bawul ne ductile baƙin ƙarfe.Injin ko na'ura mai aiki da karfin ruwa mai rufe guduma yana da kyakkyawan juriya ga guduma na ruwa kuma ya dace da amfani da ƙarancin matsa lamba.Aikace-aikacen sashin ruwa na samfurin aikin lalata ruwan teku.
Nau'in wafer duba bawul mai cikakken roba mai layi na malam buɗe ido
Cikakken roba-layi nau'in malam buɗe ido nau'in wafer duba bawul shine haɓakawa a cikin rigakafin lalata na jinkirin-kusa da nau'in malam buɗe ido.Jikin bawul da kara suna da cikakken layi na roba, kuma za'a iya yin bawul ɗin ƙugiya da bakin karfe mai duplex ko tagullar nickel aluminum.An saita irin wannan nau'in bawul a mashigin ruwa na ruwa mai ƙananan ruwa kuma ya dace da shigarwa a kan manyan bututun diamita.Matsakaicin ƙididdiga na bawul yana cikin kewayon DN200-1200.Wajibi ne a kula da bukatun sararin samaniya na shigarwa na bawul yayin zane.Rashin shigar da bawul ɗin da ba daidai ba zai haifar da diski na bawul da bazara don yin aiki a kan bututun bawul na dogon lokaci, lalata hatimin a lamba tsakanin jikin bawul da bututun bawul, shiga cikin matsakaici, kuma ya sa jikin bawul ɗin ya lalace.
Bawul ɗin wafer mara guda ɗaya
Bawul ɗin rajistan wafer na leaf guda ɗaya yana da tsari mai sauƙi da ƙaramin sarari shigarwa, kuma ana iya amfani dashi a ƙarƙashin ƙananan matsa lamba ko yanayin matsa lamba.Bawul ɗin yana ɗaukar duplex bakin karfe gabaɗaya, wanda ke da kyakkyawan juriya na lalata ruwan teku, nauyi mai sauƙi, ana iya shigar da shi a kwance da kuma a tsaye, kuma yana da sauƙin amfani.A cikin masana'antar sarrafa ruwan teku, ana amfani da bawul ɗin duban wafer ≤DN250 gabaɗaya.Lokacin da girman bawul ɗin bawul ɗin ya fi DN250 girma, guduma na ruwa yana da tasirin gaske kuma ƙarar aikin yana da ƙarfi.Babban diamita guda ɗaya mai duba bawul ana amfani dashi sosai a bututun iskar gas.Bawul ɗin yana da ƙarancin buɗaɗɗen bawul, matsakaicin buɗaɗɗen buɗaɗɗen bawul ɗin shine 45 °, ƙarfin juriya yana ƙaruwa, ƙarfin kwarara yana raguwa.
Lokacin aikawa: Satumba-30-2021