Ob chav nqus twj tso kua mis thiab qhov kawg-suction twj yog ob hom kev lag luam nrov twj, txhua tus muaj nws tus kheej zoo thiab qhov tsis zoo. Ntawm no, peb yuav tham txog qhov zoo ntawm ob lub twj tso kua mis.
Ob chav nqus twj tso kua mis yog tsim los kom muaj qhov nqus nqus dej ntawm ob sab ntawm lub impeller. Lub ntsiab kom zoo dua ntawm cov twj tso kua mis no yog lawv lub peev xwm txaus siab, uas tso cai rau lawv txav mus los ntawm cov kua dej loj. Lawv kuj muaj txiaj ntsig zoo, ua rau lawv muaj txiaj ntsig zoo rau kev siv hauv kev lag luam. Tsis tas li ntawd, ob-suction twj zoo li yuav tsum muaj qhov qis dua qhov zoo nqus lub taub hau, uas txhais tau tias lawv tuaj yeem ua haujlwm tau zoo nyob rau hauv cov xwm txheej uas tsis tshua muaj siab inlet.
End-suction twj, tseem hu ua single-suction twj, muaj ib tug suction inlet ntawm ib sab ntawm impeller. Lawv nrov rau lawv cov qauv tsim yooj yim thiab kev saib xyuas yooj yim. Cov twj tso kua mis kawg kuj tseem muaj ntau yam, muaj peev xwm tuav tau ntau yam kua thiab cov kua viscosity siab. Lawv tuaj yeem muaj qhov siab siab thiab qis qis. Tsis tas li ntawd, cov twj tso kua mis kawg tau paub txog lawv txoj kev ntseeg tau thiab kav ntev.
Ob lub twj tso kua mis ob zaug thiab lub twj tso kua mis kawg muaj lawv lub zog thiab qhov tsis muaj zog. Thaum xaiv ntawm ob, nws yog ib qho tseem ceeb rau kev ntsuam xyuas cov kev xav tau tshwj xeeb ntawm daim ntawv thov los txiav txim siab seb lub twj tso kua mis twg yuav ua haujlwm zoo tshaj plaws. Cov yam tseem ceeb uas yuav tsum xav txog yuav suav nrog tus nqi ntws, qhov xav tau zoo ntawm lub taub hau, viscosity ntawm cov kua, thiab tag nrho cov nqi-zoo ntawm lub twj tso kua mis.
Nyob rau hauv cov ntsiab lus, ob-suction twj muaj peev xwm txaus thiab efficiency, thaum kawg-suction twj muaj ntau yam thiab txhim khu kev qha. Los ntawm kev xav txog cov kev cai tshwj xeeb ntawm daim ntawv thov, cov neeg siv kawg tuaj yeem txiav txim siab ntawm ob hom twj tso kua mis no.