Hauv kev tsim khoom thiab kev tsim vaj tsev hauv nroog, cov dej khib nyiab pov tseg yog ib feem tseem ceeb ntawm kev tswj hwm ib puag ncig huv thiab ua kom muaj kev ua haujlwm zoo ntawm cov txheej txheem tsim khoom. Valves yog ib qho ntawm cov khoom tseem ceeb ntawm cov dej khib nyiab pov tseg, vim tias lawv tswj cov kev taw qhia thiab ntws tus nqi ntawm cov dej khib nyiab thiab cov khoom paug. Yog li, dab tsi yog qhov feem ntau siv cov dej khib nyiab pov tseg?
Rooj vag valve
Lub rooj vag li qub tau siv dav hauv cov kav dej loj - txoj kab uas hla vim lawv qhov yooj yim ntawm - tawm haujlwm. Lawv tswj cov kua dej ntws los ntawm kev nce lossis txo lub rooj vag, ua rau lawv tshwj xeeb tshaj yog siv rau kev tuav cov dej khib nyiab uas muaj cov khoom tsis zoo lossis cov khoom khov. Ib qho txiaj ntsig tseem ceeb ntawm cov rooj vag li qub yog lawv cov dej ntws tsis zoo, ua rau lawv zoo tagnrho rau siab - ntws dej khib nyiab.
Npauj Npaim Valves:
Npauj npaim li qub tau paub txog lawv cov qauv tsim thiab lub teeb yuag, thiab feem ntau yog siv los tswj cov nqi ntws thiab kaw tawm xov xwm. Lawv yooj yim rau kev khiav lag luam thiab qhib thiab kaw sai, ua rau lawv haum rau cov kav dej uas yuav tsum tau kaw cov kua dej sai sai -tawm. Lawv feem ntau siv rau hauv cov chaw kho dej khib nyiab thiab cov cua daj cua dub.
Pob Valves
Pob li qub qhib thiab kaw los ntawm kev tig lub pob kom ua kom zoo lossis ua tsis zoo rau qhov qhib. Lawv haum rau me me - mus rau nruab nrab - cov kav dej loj. Lawv muaj kev sib khi zoo heev thiab tsis tshua muaj dej tsis kam, ua rau lawv tshwj xeeb tshaj yog haum rau kev tshaj tawm uas muaj cov khoom hnyav lossis cov uas ua rau crystallization. Pob li qub yog tshwj xeeb tshaj yog muaj txiaj ntsig zoo hauv cov dej khib nyiab pov tseg thiab kuaj cov dej khib nyiab.
Kuaj li qub
Kos li qub yog siv los tiv thaiv kev thim rov qab ntawm cov kua dej thiab tiv thaiv cov kav dej los ntawm kev puas tsuaj. Hauv cov kav dej, lawv xyuas kom meej tias cov dej khib nyiab thiab cov khib nyiab ntws hauv ib qho kev taw qhia nkaus xwb, tiv thaiv cov dej paug rov qab. Kuaj li qub yog qhov tseem ceeb tshwj xeeb rau cov kav dej hauv qhov qis -dej.
Txhua hom valve muaj nws tus kheej zoo thiab kev siv tshwj xeeb. Thaum xaiv cov kav dej, cov yam ntxwv xws li cov khoom ntawm cov kua dej (piv txwv li, qhov kub thiab txias, siab, tshuaj muaj pes tsawg leeg, thiab cov ntsiab lus ntawm cov khib nyiab), cov yeeb nkab loj, thiab kev yooj yim ntawm kev khiav hauj lwm thiab kev saib xyuas yuav tsum raug coj mus rau hauv tus account. Kev xaiv kom raug thiab siv cov li qub yog qhov tseem ceeb rau kev txhim kho kev ua haujlwm thiab kev ntseeg siab ntawm cov kav dej thiab ua kom muaj kev nyab xeeb ntawm ib puag ncig.