Kev kaw yog los tiv thaiv kev xau, thiab lub hauv paus ntsiab lus ntawm kev kaw lub valve kuj tau kawm los ntawm kev tiv thaiv kev xau. Muaj ntau yam uas cuam tshuam rau kev ua haujlwm kaw ntawmnpauj npaim li qub, feem ntau suav nrog cov hauv qab no:
1. Cov qauv sealing
Nyob rau hauv qhov kev hloov pauv ntawm qhov kub thiab txias lossis lub zog sib khi, cov qauv ntawm cov khub sib khi yuav hloov pauv. Ntxiv mus, qhov kev hloov pauv no yuav cuam tshuam thiab hloov lub zog ntawm cov khub sib khi, yog li txo qhov kev ua haujlwm ntawm lub valve sealing. Yog li ntawd, thaum xaiv lub foob, nco ntsoov xaiv lub foob nrog elastic deformation. Tib lub sijhawm, kuj them sai sai rau qhov tuab ntawm qhov chaw sib khi. Qhov laj thawj yog tias qhov chaw sib cuag ntawm cov khub sib khi tsis tuaj yeem sib phim tag nrho. Thaum qhov dav ntawm qhov chaw sib cuag ntawm qhov chaw sib khi nce ntxiv, lub zog xav tau rau kev sib khi nce ntxiv.
2. Kev siab tshwj xeeb ntawm qhov chaw sib khi
Qhov siab tshwj xeeb ntawm qhov chaw sealing cuam tshuam rau kev ua haujlwm sealing ntawmlub valve npauj npaimthiab lub neej ua haujlwm ntawm lub valve. Yog li ntawd, qhov siab tshwj xeeb ntawm qhov chaw sealing kuj yog ib qho tseem ceeb heev. Nyob rau hauv tib qho xwm txheej, qhov siab tshwj xeeb siab dhau yuav ua rau lub valve puas tsuaj, tab sis qhov siab tshwj xeeb me dhau yuav ua rau lub valve xau. Yog li ntawd, peb yuav tsum xav txog qhov tsim nyog ntawm qhov siab tshwj xeeb thaum tsim qauv.
3. Cov khoom siv lub cev ntawm cov khoom nruab nrab
Cov khoom siv lub cev ntawm cov khoom nruab nrab kuj cuam tshuam rau kev ua haujlwm sealing ntawmlub valve npauj npaim. Cov khoom siv lub cev no suav nrog qhov kub, viscosity, thiab hydrophilicity ntawm qhov chaw, thiab lwm yam. Qhov kev hloov pauv kub tsis yog tsuas yog cuam tshuam rau qhov tsis sib xws ntawm cov khub sealing thiab qhov kev hloov pauv ntawm qhov loj ntawm cov khoom, tab sis kuj muaj kev sib raug zoo tsis sib xws nrog viscosity ntawm cov roj. Cov viscosity roj nce lossis txo qis nrog qhov kub nce lossis txo qis. Yog li ntawd, txhawm rau txo qhov cuam tshuam ntawm qhov kub ntawm kev ua haujlwm sealing ntawm lub valve, thaum tsim cov khub sealing, peb yuav tsum tsim nws ua lub valve nrog thermal compensation xws li lub rooj zaum valve elastic. Viscosity yog cuam tshuam nrog permeability ntawm cov kua. Thaum nyob rau hauv tib lub xeev, qhov ntau dua qhov viscosity, qhov tsawg dua qhov nkag mus ntawm cov kua. Qhov hydrophilicity ntawm qhov chaw txhais tau tias thaum muaj ib zaj duab xis ntawm qhov chaw hlau, zaj duab xis yuav tsum tau tshem tawm. Vim yog cov zaj duab xis roj nyias heev no, nws yuav rhuav tshem qhov hydrophilicity ntawm qhov chaw, ua rau muaj kev thaiv ntawm cov kua dej.
4. Qhov zoo ntawm kev sib khi khub
Qhov zoo ntawm cov khub sib khi feem ntau txhais tau tias peb yuav tsum xyuas qhov kev xaiv, kev sib phim thiab kev tsim khoom raug. Piv txwv li, lub valve disc haum zoo nrog lub rooj zaum sealing nto, uas tuaj yeem txhim kho kev ua haujlwm sealing.
Qhov xau ntawm lub qhov dej yog qhov tshwm sim ntau heev hauv lub neej thiab kev tsim khoom, uas tuaj yeem ua rau muaj pov tseg lossis coj kev phom sij rau lub neej, xws li xau ntawm cov qhov dej kais, thiab cov txiaj ntsig loj heev, xws li tshuaj lom, ua rau puas tsuaj, nplaim taws, tawg thiab Cov dej xau ntawm cov xov xwm corrosive, thiab lwm yam, yog qhov txaus ntshai rau kev nyab xeeb ntawm tus kheej, kev nyab xeeb ntawm cov khoom vaj khoom tsev thiab kev ua qias tuaj ib puag ncig. Xaiv cov foob tsim nyog raws li qhov chaw sib txawv thiab cov yam ntxwv siv.
Lub sijhawm tshaj tawm: Lub Yim Hli-01-2022
