Hlahloba Kakaretso ea Valve
Valve ea ho hlahloba ke valve e iketsang e sebelisang khatello ea mokelikeli le boima ba disc ho thibela phallo e khutlelang morao. E tsejoang hape e le valve e sa khutleleng morao, e tsamaeang ka tsela e le 'ngoe, e khutlelang morao, kapa e itšehlang thajana, mosebetsi oa eona oa mantlha ke ho netefatsa phallo e le 'ngoe ho sireletsa litsamaiso tsa liphaephe tšenyong ea phallo e khutlelang morao.
Kamoo Li-valve tsa ho Hlahloba li Sebetsang Kateng
Phallo ea pele: Kgatelelo ya mokelikeli e phahamisa diski, e dumella tsela.
Phallo e khutlelang morao: Disiki e kwala ka kgatello ya matla a khoheli/mokelikeli, e thibelang mecha ya phatlalatso.
Likarolo tsa Bohlokoa tsa Li-Check Valve
Likarolo tsa bohlokoa li kenyelletsa:
'Mele oa Valve: Liphaephe tse hokahanyang tse nang le sekoahelo sa kantle
Disiki: Karolo ea selefouno e nolofalletsang taolo ea phallo
Setulo: E etsa bokaholimo ba ho koala ka diski
Selemo: E qobella ho koaloa ha disc (mefuteng e thusang nakong ea selemo)
Lekola Letšoao la Valve ho Setšoantšo sa PID
Ho Utloisisa Letšoao la Valve ea ho Hlahloba
1.Selikalikoe: E emela 'mele oa valve.
2.Motsu kapa Mohala o Lehlakoreng le Lehlakoreng: E bontša tsela eo phallo e tsamaeang ka eona. Sena se bohlokoa bakeng sa ho kenngoa, kaha se netefatsa hore valve e behiloe ka nepo ka har'a sistimi.
3.Litlhaloso tse Eketsehileng: Ka linako tse ling, lintlha tse ling kapa mabitso a mang a ka tsamaea le letšoao ho fana ka tlhaiso-leseling e batsi, joalo ka boholo ba valve, thepa, kapa tekanyo ea khatello.
Hlahloba Maemo a Moralo oa Li-valve
Ho latela melao ho akaretsa maemo a naha, a indasteri le a machaba bakeng sa thepa, kaho, ts'ebetso le ho kenya:
Maemo a Machaba
API 594: E koahela li-valve tsa ho hlahloba liphaephe tsa oli/khase
ASME B16.34: Litlhaloso tsa moralo bakeng sa li-valve tse flanged/welded
API 6DLi-valve tsa liphaephe (li-valve tsa bolo/cheke/heke) bakeng sa liindasteri tsa peterole
Maemo a Naha a Chaena
GB/T12233-2006: Li-valve tsa ho hlahloba lifti tsa tšepe (≤PN40)
GB/T13932-1992: Li-valve tsa ho hlahloba ho tjheseletsa ka tšepe (DN50-DN1800, metsi/mouoane)
GB/T12235-2007: Li-valve tsa ho hlahloba tšepe bakeng sa litsamaiso tsa peterole tse nang le T/P e ngata
Maemo a Ikhethang a Valve
CJ/T282-2008: Li-valve tsa ho hlahloba tse koalang butle-butle tsa serurubele (liphaephe tsa ho pompo)
GB/T21387-2008: Li-valve tsa ho hlahloba phallo ea axial (khanyetso ea phallo e tlase)
Litlhoko tsa Khetho le Moralo
Tekanyo: Mofuta oa ho tjheseletsa bakeng sa ≤350mm; serurubele bakeng sa ≥400mm
Khatello e phahameng(≥4.0MPa): Sebelisa li-valve tse peli kapa valve + ho tima ha maemo a tšohanyetso
Teko: Teko ea khatello ea khetla ea PN ea 1.5x; Teko ea tiiso ea lefela ea PN ea 1.1x
Melemo ea ho Hlahloba Valve
Melemo ea Moralo le Ts'ebetso
E iketsang: Ha ho hlokahale matla a kantle (matla a khoheli/selemo/le tsamaisoang ke mokelikeli)
Karabelo e potlakileng: Ho koaloa ha ≤0.05s (li-vacuum valve) ho thibela tšilafalo ea phallo ea mali
Meralo e feto-fetohang:
• Mofuta oa lifti: Tiiso e ntle bakeng sa mecha ea phatlalatso e hloekileng ea P e phahameng
• Mofuta oa ho thekesela: Khanyetso e tlase bakeng sa liphaephe tse nang le likaroloana
• Disiki tse pedi: E nyane bakeng sa litsamaiso tse nang le sebaka se fokolang
Tshebetso le Polokeho
• E thibela phallo e kgutlelang morao ya mecha ya radioactive/e senyang (dimela tsa nyutlelia/dikhemikhale)
• E fokotsa tšenyo ea hamore ea metsi ka mekhoa ea ho koala ka potlako
• E boloka botšepehi ba vacuum (10⁻⁶~10⁻⁸ Ho dutla ha Pa·m³/s)
Moruo le ho Tsamaellana
• E bolokang eneji: Tšebeliso ea matla e sa khaotseng ha e eo
• Mefuta e mengata ea thepa: Tšepe e sa ruseng/serame/rabara ea fluoro (-200°C~800°C)
• Tšebeliso ea indasteri e mengata: Metsi/oli/khase/HVAC/litsamaiso tsa lik'hemik'hale
Likopo tse Tloaelehileng
E thibela phallo ea mali maemong a bohlokoa:
• Mekhoa ea Metsi: Liphaephe tsa ho pompa, phepelo ea metsi a phahameng, lithapo tsa phepelo ea boiler
• Khemikhale/T e Phahameng: Phetisetso ea mecha ea phatlalatso e senyang, litsamaiso tsa mouoane tse 400°C+
• Linyeoe tse Ikhethang: Lipompo tsa mollo (thibelo ea hamore ea metsi), moea o hatelletsoeng, liphaephe tsa oli
Keletso ea Khetho: Nahana ka ho teteana ha media, khatello, mekhoa ea phallo. Kenya ka nepo (mohlala, mefuta ea lifti e otlolohileng).
Tlhophiso ea Valve ea ho Hlahloba
Ka Sebopeho
• Li-valve tsa ho hlahloba lifti:
Motsamao oa disk o otlolohileng (o thusoa ke selemo/matla a khoheli)
E ntle ka ho fetisisa bakeng sa DN≤200mm e hloekileng ea mecha ea phatlalatso (metsi)
•Li-valve tsa ho hlahloba ho Swing:
Disiki e potoloha hodima phini e ka morao
Khanyetso e tlase bakeng sa liphaephe tse kholo
Mefuta e menyenyane: E nang le Flanged, wafer, single-disc
•Li-valve tsa ho hlahloba lipoleiti tse peli:
Moralo o moqotetsane oa wafer
E loketse litsamaiso tsa tšireletso ea mollo
• Li-valve tsa ho hlahloba phallo ea axial:
Ho thellisa diski ka har'a mohala
E fokotsa hamore ea metsi (liphaephe tsa khase)
• Mefuta e Ikhethileng
Diaphragm: E hanela ts'enyeho bakeng sa mecha ea litaba ea lik'hemik'hale
Bolo: Litsamaiso tsa High-P small-bore
NozzleTaolo ea phallo ea litsela tse peli
Khatello e Tiisitsoeng ea Bonnet Check Valve:Sebetsa bakeng sa Khatello e Phahameng (Sehlopha sa 900, Sehlopha sa 1500, Sehlopha sa 2500), Mocheso o Phahameng.
•Tlhophiso ea Bobeli
Khokahano: E phuthetsoe, e phuthetsoe ka khoele, e tjheseditswe, e tjheseditswe ka wafer
Khatello: Tlase-P (≤1.6MPa), e phahameng-P (≥100MPa)
Mosebetsi: Khutso, ho koala butle, ho potoloha ha mali ka bohona
Nako ea poso: Mphalane-28-2024