Video: Cov khoom siv dab tsi yog cov kav dej phwj ua los ntawm?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov kav dej kav dej ua tau ntawm yas PVC Yeeb
Polyvinyl Chloride (PVC) kav yog hom ntau tshaj plaws cov kav dej phwj tuaj hnub no Plastic pipework yog lub teeb yuag, siv tau yooj yim, thiab ua haujlwm zoo. Thaum txhim kho kom zoo, PVC cev yog qhov ua tau ntev thiab tsis tuaj yeem nkag mus rau hauv paus.
Ntawm no, cov kav dej phwj tuaj yog dab tsi?
Cov kav dej hauv tsev uas feem ntau pom niaj hnub no yog ua los ntawm tooj liab lossis cov yas polyvinyl chloride ( PVC ) thiab Acrylonitrile butadiene styrene (ABS ). Lwm hom kav dej muaj qee zaum ntsib hauv tsev ua ntej xyoo 1960, xws li cov kav dej / khib nyiab / qhov cua (DWV) ua los ntawm hlau lossis hlau.
Qhov thib ob, thaum twg cov kav dej av nplaum tau siv? Av nplaum yog ib qho ntawm cov ntaub ntawv kav dej qub tshaj plaws hauv ntiaj teb thiab hauv qee qhov chaw, nws tseem nyob siv hnub no Hauv Tebchaws Meskas, nws yog cov khoom siv xaiv los ntawm 1880s txog rau 1900s. Zoo li cib thiab pobzeb, av nplaum yog hnyav thiab thauj nws nyuaj, yog li ntau lub nroog muaj lawv tus kheej av nplaum nroj tsuag.
Ib yam li ib tug yuav nug, dab tsi yog cov khoom siv zoo tshaj plaws rau cov kav dej kav dej?
Yas : PVC thiab ABS Yas Cov yeeb nkab yeeb nkab feem ntau yog cov khoom siv rau kev ua-nws-yourselfers vim nws yog qhov sib sib zog nqus, yooj yim txiav, pheej yig, thiab muaj nyob hauv txhua lub tsev. Raws li ib qho txiaj ntsig ntxiv, yas cov yeeb nkab tuaj yeem khi rau hauv cam khwb cia hlau thiab lub cev av nplaum.
Hom PVC yog siv rau cov kav dej li cas?
Polyvinyl Chloride ( PVC ) - Lwm cov khoom siv nrov rau niaj hnub no kav dej cev yeeb nkab, PVC yog cov yeeb nkab dawb lossis grey siv rau cov dej kub siab, feem ntau yog cov khoom siv tseem ceeb hauv tsev.
Pom zoo:
Xyoo twg lawv pib siv PVC rau cov kav dej phwj tuaj?
Xyoo 1936 - Cov kav dej PVC tau pib teeb tsa rau kev faib cov dej haus thiab cov kav dej pov tseg (Lub Tebchaws Yelemees). Feem ntau tseem tab tom ua haujlwm. 1949 - Pib siv PVC yeeb nkab hauv North America. 1952 - PVC yeeb nkab qhia hauv Asmeskas
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Dab tsi yog qhov txawv ntawm cov khoom siv thiab cov khoom siv hauv kev lag luam?
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Dab tsi yog qhov txawv ntawm cov neeg siv khoom thiab cov khoom tsim khoom?
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