Liphaephe tsa lik'hemik'hale le li-valve ke karolo ea bohlokoa haholo tlhahisong ea lik'hemik'hale 'me ke sehokelo lipakeng tsa mefuta e fapaneng ea lisebelisoa tsa lik'hemik'hale.Li-valve tse 5 tse atileng haholo liphaepeng tsa lik'hemik'hale li sebetsa joang?Sepheo se seholo?Liphaephe tsa lik'hemik'hale le li-valve tsa ho kenya ke life?(mefuta e 11 ea lipeipi + mefuta e 4 ea li-fittings + li-valve tse 11) lik'hemik'hale tsa liphaephe lintho tsena, ho tšoara ka ho feletseng!
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11 li-valve tse kholo
Sesebelisoa se sebelisetsoang ho laola ho phalla ha mokelikeli phapeng se bitsoa valve.Likarolo tsa eona tse kholo ke:
Bula le ho koala karolo - khaola kapa u buisane le phallo ea mokelikeli phapeng;
Tokiso - ho lokisa sekhahla sa phallo ea mokelikeli phapeng, ho phalla;
Throttling - mokelikeli o phalla ka valve, o fella ka ho theoha ho hoholo ha khatello.
Sehlopha:
Ho ea ka karolo ea karolo ea valve ka pipeline e fapane, e ka aroloa ka valve e khaotsoeng (e tsejoang hape e le valve ea globe), valve ea throttle, valve ea ho hlahloba, li-valve tsa tšireletso joalo-joalo;
Ho ea ka mefuta e fapaneng ea sebopeho sa li-valve li ka aroloa ka li-valve tsa heke, plug (hangata e bitsoa Cocker), li-valve tsa bolo, li-valve tsa serurubele, li-valve tsa diaphragm, li-valve tse nang le lined joalo-joalo.
Ho phaella moo, ho ea ka tlhahiso ea lisebelisoa tse fapaneng bakeng sa li-valve, 'me e arotsoe ka li-valve tsa tšepe tse sa hloekang, li-valve tsa tšepe tse entsoeng ka tšepe, li-valve tsa polasetiki, li-valve tsa ceramic joalo-joalo.
Khetho e fapaneng ea li-valve e ka fumanoa libukeng le lisampole tse amehang, ke mefuta e tloaelehileng feela ea li-valve tse hlahisoang mona.
① Globe Valve
Ka lebaka la sebopeho se bonolo, se bonolo ho se etsa le ho se boloka, se sebelisoang haholo liphaepheng tsa khatello e tlaase le e bohareng.E kenngoa ka har'a stem ea valve ka tlas'a diski ea valve e pota-potileng (hlooho ea valve) le karolo ea 'mele oa valve (setulo sa valve) ho finyella morero oa ho khaola phallo ea metsi.
The valve stem e ka fetoloa ka khoele e phahamisa tekanyo ea ho bula valve, e phetha karolo e itseng ho laola.Ka lebaka la phello ea ho khaoha ha valve ke ho itšetleha ka hlooho ea valve le setulo sa sefofane sa sefofane, se sa lokelang ho sebelisoa pompong e nang le likaroloana tse tiileng tsa mokelikeli.
Globe Valve e ka sebelisoa ho latela litšoaneleho tsa mecha ea litaba ho khetha hlooho e nepahetseng ea li-valve, setulo, thepa ea khetla.Bakeng sa tšebeliso ea valve ka lebaka la ho tiisoa hampe kapa hlooho, setulo le likarolo tse ling tsa valve li senyehile, o ka nka thipa e khanyang, ho sila, ho pota-pota le mekhoa e meng ea ho lokisa le ho e sebelisa, e le ho lelefatsa bophelo ba tšebeletso. belofo.
②Lebelo la Keiti
Ke perpendicular ho tataiso ea phallo ea mecha ea litaba ka poleiti e le 'ngoe kapa tse peli tse bataletseng, tse nang le sebaka sa ho tiisa 'mele oa valve ho finyella morero oa ho koala.Letlapa la valve le phahamisitsoe ho bula valve.
Letlapa le bataletseng le potolohang kutu ea valve le ho phahamisa, ka boholo ba lesoba ho laola phallo ea mokelikeli.Khanyetso ena ea li-valve e nyane, ts'ebetso e ntle ea ho tiisa, ho fetola mosebetsi o pholosang, haholo-holo ho loketse liphaephe tse kholo tsa caliber, empa sebopeho sa li-valve tsa heke se rarahane ho feta, mefuta e mengata.
Ho ea ka sebopeho sa stem se fapane, ho na le kutu e bulehileng le kutu e lefifi;ho ea ka sebopeho sa poleiti ea valve e arotsoe ka mofuta oa wedge, mofuta o tšoanang joalo-joalo.
Ka kakaretso, poleiti ea valve ea mofuta oa wedge ke poleiti e le 'ngoe ea valve,' me mofuta o tšoanang o sebelisa lipoleiti tse peli tsa valve.Mofuta o tšoanang o bonolo ho o etsa ho feta mofuta oa chedge, ho lokisoa hantle, ho sebelisoa ha ho bonolo ho deformation, empa ha hoa lokela ho sebelisoa bakeng sa ho tsamaisa litšila ka phala ea mokelikeli, ho feta bakeng sa ho tsamaisa metsi, khase e hloekileng, oli le liphaephe tse ling.
③ Li-valve tsa plug
Plug e atisa ho tsejoa e le Cocker, ke tšebeliso ea 'mele oa valve ho kenya lesoba le bohareng ka plug ea conical ho bula le ho koala phaephe.
Plaka ho ea ka mefuta e fapaneng ea ho tiisa, e ka aroloa ka plug ea ho paka, plug e tiisitsoeng ka oli 'me ha e na plug ea ho paka joalo-joalo.Sebopeho sa plug se bonolo, litekanyo tse nyane tsa kantle, li bulehile ebile li koalehile ka potlako, ho bonolo ho sebetsa, ho hanyetsa mokelikeli o monyenyane, ho bonolo ho etsa kabo ea litsela tse tharo kapa tse 'nè kapa valve ea ho fetola.
Plug sealing surface e kholo, e bonolo ho apara, ho fetola ho sebetsa ka thata, ha ho bonolo ho fetola phallo, empa ho khaola kapele.Plug e ka sebelisoa bakeng sa khatello e tlase le mocheso kapa bohareng bo nang le likaroloana tse tiileng phapeng ea mokelikeli, empa ha ea lokela ho sebelisoa bakeng sa khatello e phahameng, mocheso o phahameng kapa phaephe ea mouoane.
④Trottle Valve
Ke ea mofuta o le mong oa li-valve tsa lefats'e.Sebōpeho sa hlooho ea li-valve tsa eona ke conical kapa streamlined, e leng se ka laolang ho phalla ha metsi a laoloang kapa ho laola le khatello ea khatello.Valve e hloka ho nepahala ha tlhahiso e phahameng le ts'ebetso e ntle ea ho tiisa.
Haholo-holo e sebelisoa bakeng sa taolo ea lisebelisoa kapa sampole le liphaephe tse ling, empa ha ea lokela ho sebelisoa bakeng sa viscosity le likaroloana tse tiileng tsa phaephe.
⑤Balofo ea bolo
Ball valve, eo hape e tsejoang e le ball center valve, ke mofuta oa valve o ntlafalitsoeng ka potlako lilemong tsa morao tjena.E sebelisa bolo e nang le lesoba bohareng e le setsi sa valve, se itšetlehile ka ho potoloha ha bolo ho laola ho bula kapa ho koala ha valve.
E tšoana le plug, empa e nyane ho feta sebaka se tiisitsoeng sa plug, sebopeho sa compact, switching-saving, e sebelisoang haholo ho feta plug.
Ka ntlafatso ea mokhoa o nepahetseng oa tlhahiso ea li-valve tsa bolo, li-valve tsa bolo ha li sebelisoe feela liphaepheng tse nang le khatello e tlase, hape li sebelisitsoe liphaepheng tsa khatello e phahameng.Leha ho le joalo, ka lebaka la mefokolo ea thepa ea ho tiisa, ha e loketse ho sebelisoa liphaepheng tse phahameng tsa mocheso.
⑥ Li-valve tsa diaphragm
Tse fumanehang hangata ke li-valve tsa rabara diaphragm.Ho bula le ho koala ha valve ena ke diaphragm e khethehileng ea rabara, diaphragm e tlameletsoe pakeng tsa 'mele oa valve le sekoahelo sa valve,' me disc e tlas'a kutu ea valve e hatella diaphragm ka thata holim'a 'mele oa valve ho finyella ho tiisoa.
Sephahla sena se na le mohaho o bonolo, ho tiisa ho ka tšeptjoang, tlhokomelo e bonolo le ho hanyetsa metsi a fokolang.E loketse ho fetisa mecha ea litaba e nang le asiti le liphaephe tsa mokelikeli tse nang le lintho tse tiileng tse emisitsoeng, empa ka kakaretso ha ea lokela ho sebelisoa bakeng sa likhatello tse phahameng kapa lithempereichara tse fetang 60 ℃, ha ea lokela ho sebelisoa bakeng sa ho fetisa metsoako ea lintho tse hlapollang le liphaephe tse matla tsa oxidizing.
⑦ Hlahloba Valofo
E boetse e tsejoa e le li-valve tse sa khutleng kapa li-check valves.E kenngoa ka pipeline e le hore mokelikeli o ka phalla ka tsela e le 'ngoe feela,' me ho khutlela morao ha ho lumelloe.
Ke mofuta oa valve e koalang ka boiketsetso, ho na le valve kapa poleiti ea rocking 'meleng oa valve.Ha seaplane se phalla hantle, mokelikeli o tla bula leqhubu la valve ka bohona;ha mokelikeli o phalla ka morao, mokelikeli (kapa matla a selemo) a tla koala sekoti sa valve ka boeona.Ho ea ka sebopeho se fapaneng sa valve ea ho hlahloba, e arotsoe ka mefuta e 'meli ea ho phahamisa le ho swing.
Phahamiso ea li-valve e shebileng ka mokhoa o ts'oanang le motsamao oa ho phahamisa mocha oa li-valve, o sebelisoang ka liphaephe tse otlolohileng kapa tse otlolohileng;rotary check valve valve flap e atisa ho bitsoa rocker plate, rocker plate side e hokahane le shaft, rocker plate e ka pota-potiloe ho potoloha shaft, valve ea rotary check valve hangata e kenngoa phala e tšekaletseng, hobane bophara bo bonyenyane bo ka kenngoa phaephe e otlolohileng, empa ela hloko phallo ha ea lokela ho ba kholo haholo.
Hangata valve ea ho hlahloba e sebetsa ho lipeipi tse hloekileng tsa mecha ea litaba, tse nang le likaroloana tse tiileng le viscosity ea pipeline ea mecha ea litaba ha ea lokela ho sebelisoa.Ts'ebetso e koetsoeng ea mofuta oa Phahamisa e ntle ho feta mofuta oa swing, empa mofuta oa swing check valve fluid resistance o nyane ho feta mofuta oa lift.Ka kakaretso, valve ea ho hlahloba swing e loketse pipeline e kholo ea caliber.
⑧Butterfly Valve
Butterfly valve ke disk e rotatable (kapa oval disk) ho laola ho bula le ho koala ha phala.Ke mohaho o bonolo, litekanyo tse nyenyane tsa ka ntle.
Ka lebaka la sebopeho sa ho tiisa le mathata a thepa, ts'ebetso ea valve e koetsoe e fokola, feela bakeng sa taolo ea lipeipi tse nang le khatello e tlase, e bophara bo boholo, e sebelisoang hangata phetisong ea metsi, moea, khase le mecha e meng ea phatlalatso ea liphaephe.
⑨ Sephahla se Fokotsang Khatello
Ke ho fokotsa khatello e mahareng ho boleng bo itseng ba valve ea othomathiki, khatello e akaretsang kamora hore valve e be tlase ho 50% ea khatello pele ho valve, e itšetlehileng haholo ka diaphragm, selemo, piston le likarolo tse ling tsa seaplane. ho laola phapang ea khatello pakeng tsa sephahla sa valve le lekhalo la setulo sa valve ho finyella sepheo sa ho fokotsa khatello.
Ho na le mefuta e mengata ea li-valve tse fokotsang khatello, piston e tloaelehileng le mofuta oa bobeli oa diaphragm.
⑩ valve ea lesela
E le ho thibela ho bola ha seaplane, li-valve tse ling li hloka ho kenngoa ka lisebelisoa tse thibelang kutu (tse kang lead, rabara, enamel, joalo-joalo) 'meleng oa valve le hlooho ea li-valve, lisebelisoa tsa lesela li lokela ho khethoa ho ea ka mofuta oa seaplane.
Bakeng sa boiketlo ba lesela, li-valve tse nang le lined hangata li entsoe ka mofuta o nepahetseng kapa mofuta oa phallo e tobileng.
⑪Li-valve tsa tšireletso
E le ho netefatsa polokeho ea tlhahiso ea lik'hemik'hale, tsamaisong ea liphaephe tlas'a khatello, ho na le sesebelisoa sa ts'ireletso se sa feleng, ke hore, ho khethoa ha lesela le itseng la tšepe, joalo ka ho kenya poleiti e foufetseng e kentsoeng qetellong ea pipeline kapa tee segokanyimmediamentsi sa sebolokigolo.
Ha khatello ea pipeline e phahama, lakane e robehile ho finyella morero oa ho fokotsa khatello.Lipoleiti tsa ho phatloha ka kakaretso li sebelisoa liphaepheng tse nang le khatello e tlaase, tse bophara bo boholo, empa liphaepheng tse ngata tsa lik'hemik'hale tse nang le li-valve tsa tšireletso, li-valve tsa tšireletso li na le mefuta e mengata, li ka aroloa ka mokhoa o pharaletseng ka lihlopha tse peli, e leng, e tletseng selemo le ea mofuta oa lever.
Li-valve tsa tšireletso tse tletseng selemo li itšetlehile haholo ka matla a selemo ho finyella ho tiisa.Ha khatello ea phala e feta matla a selemo, valve e buloa ke seaplane, 'me mokelikeli oa pipe o ntšoa, e le hore khatello e fokotsehe.
Hang ha khatello ea pipe e theoha ka tlas'a matla a selemo, valve e koala hape.Li-valve tsa tšireletso tsa mofuta oa Lever haholo-holo li itšetlehile ka matla a boima holim'a lever ho finyella ho tiisa, molao-motheo oa ketso le mofuta oa selemo.Khetho ea li-valve tsa polokeho, e ipapisitse le khatello ea ho sebetsa le mocheso oa ho sebetsa ho fumana boemo ba khatello ea lebitso, boholo ba eona bo ka baloa ho ipapisitsoe le lipehelo tse nepahetseng ho tseba.
Mofuta oa sebopeho sa li-valve tsa polokeho, lisebelisoa tsa li-valve li lokela ho khethoa ho ea ka mofuta oa mahareng, maemo a ho sebetsa.Khatello ea ho qala, teko le ho amoheloa ha valve ea tšireletso e na le litokisetso tse khethehileng, ho lekanngoa kamehla ke lefapha la tšireletso, khatiso ea tiiso, e sebelisoang e ke ke ea lokisoa ka mokhoa o ikemetseng ho netefatsa tšireletso.
Nako ea poso: Dec-01-2023