Cov Cryogenic Valves yog dab tsi: Hom, Daim Ntawv Thov (LNG, Kev Kho Mob)

1. Kev Taw Qhia Txog Cryogenic Valves

Cov twj tso kua mis cryogenicyog cov twj tso kua dej tshwj xeeb uas siv los tswj cov dej thiab cov pa roj txias heev, feem ntau ntawm qhov kub hauv qab no-40°C (-40°F)Cov li qub no tseem ceeb heev rau kev lag luamroj av ua kua (LNG), kua nitrogen, oxygen, hydrogen, thiab helium, qhov twg cov li qub txheem yuav ua tsis tiav vim muaj kev ntxhov siab thermal, cov khoom siv brittleness, lossis kev ua tsis tiav ntawm lub foob.

Txhawm rau kom muaj kev nyab xeeb thiab ua haujlwm tau zoo, cov li qub cryogenic tau tsim nrog cov khoom siv tshwj xeeb, cov kav ntev, thiab cov txheej txheem kaw tshwj xeeb kom tiv taus qhov kub qis heev yam tsis muaj kev xau lossis kev ua haujlwm tsis zoo.

2. Cov Qauv Tseem Ceeb ntawm Cryogenic Valves

Tsis zoo li cov li qub ib txwm muaj, cov li qub cryogenic suav nrog cov qauv tsim tshwj xeeb los tswj cov huab cua txias heev:

2.1 Lub Taub Hau Ntev (Ncua Ntev ntawm Qia)

- Tiv thaiv kev hloov pauv cua sov los ntawm ib puag ncig mus rau lub cev valve, txo cov dej khov.

- Khaws cov khoom ntim thiab cov actuator ntawm qhov kub thiab txias kom ntseeg tau tias ua haujlwm zoo.

2.2 Cov Khoom Siv Sealing Tshwj Xeeb

- SivPTFE (Teflon), graphite, lossis hlau foobkom kaw ruaj ruaj txawm tias nyob rau hauv qhov kub thiab txias cryogenic.

- Tiv thaiv kev xau, uas yog qhov tseem ceeb rau cov pa phem xws li LNG lossis cov pa oxygen.

2.3 Cov Khoom Siv Lub Cev Ruaj Khob

- Ua los ntawmhlau tsis xeb (SS316, SS304L), tooj dag, lossis cov hlau nickelkom tiv taus brittleness.

- Qee lub tshuab cua txias siab sivhlau forgedrau lub zog ntxiv.

2.4 Kev Rwb Thaiv Cua (Xaiv tau rau Qhov Txias Heev)

- Qee cov valve muaj cov yam ntxwvob chav phab ntsa nqus tsev jacketskom txo qis cua sov ingress hauv ultra-low-temperature applications.

3. Kev faib tawm ntawm Cryogenic Valves

3.1 Los ntawm Qhov Kub thiab Txias

3.2 Los ntawm Hom Valve

- Cryogenic Pob Valves- Zoo tshaj plaws rau kev kaw sai; feem ntau hauv LNG thiab cov tshuab roj industrial.

- Cryogenic Rooj Vag Valves- Siv rau kev tswj hwm qhib / kaw tag nrho nrog qhov siab poob qis.

- Cryogenic Globe Valves- Muab kev tswj hwm qhov ntws kom meej hauv cov kav dej cryogenic.

- Cov Khoom Siv Cryogenic Check Valves- Tiv thaiv kev rov qab ntws hauv cov kab ke kub qis.

- Cryogenic Npauj Npaim Valves- Lub teeb yuag thiab me me, zoo tagnrho rau cov kav dej loj. 

3.3 Los ntawm Daim Ntawv Thov

- LNG Valves- Siv cov roj av uas ua kua ntawm-162°C (-260°F).

- Kev Ua Si thiab Kev Tiv Thaiv Huab Cua- Siv rau hauv cov roj foob pob hluav taws (kua hydrogen & oxygen).

- Kev Kho Mob & Kev Tshawb Fawb- Pom muaj nyob rau hauv cov tshuab MRI thiab cov chaw cia khoom cryogenic.

- Kev Ua Roj Av Hauv Kev Lag Luam- Siv rau hauv cov nroj tsuag sib cais cua (oxygen, nitrogen, argon).

4. Cov txiaj ntsig ntawm Cryogenic Valves

✔Kev Ua Tau Zoo Tsis Muaj Qhov Xaus- Kev sib khi zoo heev tiv thaiv cov pa roj txaus ntshai.

✔Kev Ua Haujlwm Zoo ntawm Thermal- Cov kaus mom ntev thiab cov rwb thaiv tsev txo cov cua sov hloov pauv.

✔Kev ruaj khov- Cov ntaub ntawv zoo tiv taus kev tawg thiab brittleness.

✔Kev Ua Raws Cai Kev Nyab Xeeb- Sib ntsibASME, BS, ISO, thiab APIcov qauv rau kev siv cryogenic.

✔Kev Saib Xyuas Tsawg- Tsim los rau kev ntseeg siab mus sij hawm ntev hauv cov xwm txheej hnyav.

5. Qhov Txawv Tseem Ceeb Ntawm Cryogenic Thiab Ordinary Valves

Xaus lus

Cov twj tso kua mis cryogenicyog qhov tseem ceeb rau cov lag luam uas cuam tshuam nrog cov kua dej kub qis heev. Lawv txoj kev tsim tshwj xeeb - muajcov kaus mom ntev, cov foob ua haujlwm siab, thiab cov khoom siv ruaj khov - ua kom muaj kev nyab xeeb thiab ua haujlwm tau zoo hauv cov xwm txheej hnyav. Kev nkag siab txog lawv cov kev faib tawm, qhov zoo, thiab qhov sib txawv ntawm cov li qub txheem pab xaiv cov li qub zoo rau cov ntawv thov cryogenic uas xav tau kev kub ntxhov.