1. Intshayelelokwiivalvu zeButterfly
1.1. Inkcazo kunye nemisebenzi esisiseko
A ivalvu yebhabhathanesisixhobo esilawula ukuhamba kombhobho. Silawulwa ngokujikelezisa idiski ngekota. Zihlala zisetyenziswa kwiindawo apho zivala ngokukhawuleza.
1.2. Imbali yeeValve zeButterfly
Iivalvu zebhabhathane zinokulandelwa emva ekupheleni kwenkulungwane ye-19. Uhlobo lwevalvu yebhabhathane yanamhlanje lwazalwa phakathi kwenkulungwane yama-20. Emva kweminyaka emininzi yophuhliso, iye yaba sisisombululo esiguquguqukayo sokulawula imidiya kumashishini ahlukeneyo.
Uphuhliso lwetekhnoloji lweevalvu zeebhabhathane aluzange luyeke. Kwixesha elizayo, iivalvu zeebhabhathane ziya kuba lula kwaye zibe ncinci ngakumbi. Zingasetyenziswa nakwiimeko ezinzima kakhulu (ezifana noxinzelelo oluphezulu kakhulu kunye nobushushu obuphantsi kakhulu). Mhlawumbi zingasetyenziswa kwizicelo ezintsha kwicandelo lamandla avuselelekayo, njengamandla elanga, amandla omoya kunye neeprojekthi zamandla e-hydrogen eluhlaza.
1.3. Ukusetyenziswa kweeValve zeButterfly kwiiShishini ezahlukeneyo
1.3.1. Unyango kunye noSasazo lwaManzi
Kwiindawo zokucoca amanzi nakwiinkqubo zokusasaza amanzi, iivalvu zebhabhathane azinamsebenzi. Zilawula kwaye zahlula ukuhamba kwamanzi okusela ngokufanelekileyo. Ukuhla koxinzelelo oluphantsi kunye nokukwazi kwazo ukuvala imigca emibini kuluncedo kakhulu ekuqinisekiseni ukuba amanzi ahlala ekho.
1.3.2. Iinkqubo ze-HVAC
Kwiinkqubo zokufudumeza nokupholisa umoya (HVAC), iivalvu zebhabhathane zisetyenziselwa ukulawula ukujikeleza kwamanzi. Ukulula kwazo kokuzisebenzela kuzenza zilungele ukulawula iinkqubo zamanzi abandayo nashushu.
1.3.3. Izityalo zeKhemikhali kunye nePetrochemical
Iivalvu zebhabhathane ezisebenza kakuhle kunye nezisebenza kakuhle zinokuphatha uluhlu olubanzi lweekhemikhali, kuquka ulwelo olurhabaxa nolurhabaxa. Ukukwazi kwazo ukusebenza kumaqondo obushushu aphezulu kunye noxinzelelo kuzenza zilungele ukusetyenziswa njengeenkqubo zokucubungula iikhemikhali, ukugcina kunye nokuhambisa.
1.3.4. Ishishini leoyile negesi
Ishishini leoyile negesi lixhomekeke kwiivalvu zeebhabhathane kwizicelo ezifana nokwahlulwa kwemibhobho, ukulawulwa kokuhamba kwamanzi, kunye neenkqubo zeetanki. Ukuhambelana kweevalvu zeebhabhathane kunye noluhlu olubanzi lwezinto kuqinisekisa ukusebenza kwazo ngokukhuselekileyo kwishishini leoyile negesi.
1.3.5. Ukulungiswa kokutya neziselo
Ucoceko lubaluleke kakhulu ekulungisweni kokutya neziselo. Iivalvu zebhabhathane ezineemizobo zococeko kunye nomphezulu ocoliweyo zingasetyenziselwa ukugcina ucoceko kunye nokuthintela ungcoliseko xa kuphathwa ulwelo olufana nejusi, iimveliso zobisi, kunye neziselo. Zombini irabha eqinisekisiweyo yi-wras kunye nentsimbi engagqwaliyo yokutya zinokuhlangabezana nalo mgangatho.
1.3.6. Ulwandle kunye nokwakha iinqanawa
Iivalvu zebhabhathane ze-aluminium bronze zenzelwe ukusetyenziswa elwandle ukulawula iinkqubo ze-ballast, amanzi okupholisa, kunye nemigca yepetroli. Izinto ezisetyenziswa kwiivalvu zebhabhathane ezimelana nokugqwala zenza ukuba zilungele ukusetyenziswa kwiindawo ezimanzi ezinzima.
1.3.7. Izikhululo zoMbane
Kwizityalo zombane, iivalvu zebhabhathane zisetyenziswa kwiinkqubo zokupholisa, imigca yomphunga, kunye neenkqubo zokukhupha i-flue gas desulfurization. Ziyakwazi ukuphatha uxinzelelo oluphezulu kunye nolwelo oluphezulu.
1.3.8. Izityalo Zokucoca Amanzi Amdaka
Iivalvu zebhabhathane zibalulekile ekulawuleni udaka, umoya ophumayo, kunye nokuhamba kwamanzi kwiindawo zokucocwa kwamanzi amdaka.
1.3.9. Ushishino lwePulp nePhepha
Ishishini le-pulp nephepha lixhamla kwiivalvu zebhabhathane kwiinkqubo ezifana nokupheka i-pulp, ukufiphalisa, kunye nokubuyiselwa kweekhemikhali. Ukuxhathisa kwazo i-pulp kunye neekhemikhali ezirhabaxa kwandisa ukusebenza kakuhle kunye nobomi benkonzo.
2. Ukwakhiwa kweValve yeBhabhathane
2.1. Izinto eziyinxalenye yeValve yeButterfly
Izinto eziphambili ziquka:
Umzimba wevalvu: Yindlu egcina ezinye izinto zangaphakathi.
Idiski yevalvu: Ivula kwaye ivale ngokujikeleza iidigri ezingama-90.
Isiqu: Iqhagamshela idiski kwi-actuator.
Isihlalo: Sibonelela ngesitywino sokuthintela ukuvuza.
2.2. Iintlobo zeevalvu zebhabhathane ezisekelwe kwisakhiwo
Uhlobo lwe-wafer: Ifakwe phakathi kwee-flanges zombhobho kwaye iqiniswe ngeebholiti.
Uhlobo lwe-Lug: Isebenzisa izinto ezifakwe ngemisonto xa ifakelwa.
Uhlobo lweflange: Ineflange ezimbini kwaye ifakwe kunye nombhobho.
2.3. Izinto ezisetyenziswa kwiivalvu zeebhabhathane
Umzimba: Isinyithi esibunjiweyo, intsimbi engatyiwayo okanye intsimbi yekhabhoni.
Idiski: Intsimbi eqhotsiweyo (egqunywe yi-nickel, i-nylon, i-PTFE, kunye ne-EPDM, njl.njl.), i-WCB, intsimbi engatyiwayo, ibronze.
Isihlalo: Irabha, iTeflon okanye isinyithi.
3. Umgaqo wokusebenza wevalvu yebhabhathane
3.1. Ukusebenza kwevalvu yebhabhathane
Ivalvu yebhabhathane isebenza ngokujikeleza idiski efakwe kwisiqu esiphakathi. Indawo yediski imisela ukulawulwa kokuhamba kwamanzi.
3.2. Iindidi zeendlela zokuqhuba iivalvu zebhabhathane
Isandla: Isebenza ngesiphatho kunye nezixhobo zempethu.
I-Pneumatic: Isebenzisa umoya ocinezelweyo.
Umbane: Ulawulwa yimoto yombane.
I-Hydraulic: Iqhutywa luxinzelelo lolwelo (olungasetyenziswa rhoqo).
3.3. Iingenelo kunye nemida yeevalvu zeebhabhathane
Iingenelo: uyilo oluncinci (ubude besakhiwo obufutshane), ixabiso eliphantsi (izinto ezincinci), ukusebenza ngokukhawuleza (ukujikeleza kweedigri ezingama-90).
Imida: Iivalvu zebhabhathane azinakusetyenziselwa ukusika amasuntswana anobunzima obuphezulu, ulwelo oluxineneyo kunye nokungcola okune-fibrous.
3.4. Iintlobo zeevalvu zebhabhathane
3.4.1 Ivalvu yebhabhathane ehlala iqinile
Iimpawu: Isihlalo sevalvu ngokubanzi senziwe ngezinto ezithambileyo ezifana nerabha kunye ne-PTFE, kwaye isitywino siqinile.
Ityala lokusetyenziswa: uxinzelelo oluphantsi kunye nobushushu obuphantsi.
3.4.2.Ivalvu yebhabhathane esebenza kakuhle (ivalvu yebhabhathane ephindwe kabini)
Iimpawu: Uyilo oluphindwe kabini, oluhlala ixesha elide.
Imeko yokusetyenziswa: iinkqubo zoxinzelelo oluphantsi noluphakathi.
3.4.3. Ivalvu yebhabhathane ephindwe kathathu ephoswe kwi-offset
Iimpawu: Isiciko sesihlalo sesinyithi esingenazo iingxabano.
Imeko yokusetyenziswa: ubushushu obugqithisileyo kunye noxinzelelo.
4. Ukufakwa kunye nokugcinwa kweevalvu zeebhabhathane
4.1 Indlela echanekileyo yokufaka iivalvu zebhabhathane
Vula iivalvu yebhabhathaneipleyiti kwi-engile ye-0-90 degrees.
Qiniseka ukuba ugcina indawo eyaneleyo kwezinye izinto.
Qinisekisa ukuba ipleyiti yevalvu ayichukumisi iflange yombhobho.
Qinisekisa ukulungelelaniswa kunye nokususwa kokujikeleza kwediski.
4.2. Ukugcinwa kwemihla ngemihla kweevalvu zeebhabhathane
Jonga ukuba ayigugi kwaye uyitshintshe ukuba kuyimfuneko.
Thambisa iindawo ezihambayo njengoko kufuneka.
4.3. Iingxaki kunye nezisombululo eziqhelekileyo zokusombulula iingxaki
Ukuvuza: Jonga ukuthembeka kwesihlalo.
Ibhajwe: Coca inkunkuma kwindawo yesihlalo kwaye uqinisekise ukuba ithambisiwe kakuhle.
5. Thelekisa nezinye iintlobo zeevalvu
5.1 Ivalvu yebhabhathane xa ithelekiswa nevalvu yebhola
Ivalvu yebhabhathane: Ikhaphukhaphu kwaye incinci ngakumbi.
Ivalvu yebhola: Ilungele ngakumbi ukuhamba kwebhore epheleleyo, ingasetyenziswa njenge-viscous kunye ne-fibrous fluids.
5.2. Ivalvu yebhabhathane xa ithelekiswa nevalvu yesango
Ivalvu yebhabhathane: Ukusebenza ngokukhawuleza.
Ivalvu yesango: Ilungele ngakumbi ukuvulwa nokuvalwa ngokupheleleyo.