Multistage twj tso kua mis yog qhov tseem ceeb tiv thaiv cov kua dej uas yog siv dav hauv kuv li thiab kev lag luam. Coob leej ntau tus neeg paub txog cov khoom no. Txawm li cas los xij, koj paub ntau npaum li cas txog cov ntsiab lus tshwj xeeb ntawm cov qauv ntawm cov twj tso kua mis multistage?
Txoj cai tam sim no ntawm ntau lub sijhawm ntau cov twj tso kua mis feem ntau yog los ntawm cov thee kev nyab xeeb kev pov thawj kab ke, vim tias cov thee pov thawj kev nyab xeeb cov ntawv pov thawj yog qhov siab tshaj qhov yuav tsum tau muaj nyob rau hauv tag nrho cov ntau theem ntawm cov twj tso npe thov. Nrog rau qhov tshwj xeeb yuav tsum tau tawg-pov thawj, ntau yam twj nyob hauv lwm qhov kev lag luam kuj tseem siv tau raws li cov qauv ntawm kev ua lag luam mine mine.
Ntau yam ntawm cov qib twj tso kua mis tshwj xeeb, DF450-60 * 9, cov ntsiab lus tshwj xeeb yog D rau ntau theem; F rau kev tiv thaiv corrosion; 450 rau tus qauv ntws; 60 rau ib-theem kua dej siab qhov siab; 9 rau series; txheem nqa yog ib-theem * series, ntawm no yog 540 meters taub hau;
Piv txwv, MD450-60 * 9, lub ntsiab lus tshwj xeeb yog M sawv rau hnav tsis kam; D sawv rau ntau theem; 450 yog tus qauv ntws; 60 yog ib leeg-theem kua dej qhov siab; 9 yog series; txheem lub taub hau yog ib-theem * series, ntawm no yog 540- 'meter' taub hau;
Piv txwv, DFS 450-60 * 9 (P), lub ntsiab lus tshwj xeeb yog D rau ntau theem; F rau kev tiv thaiv corrosion; S rau ob chav import; 450 rau tus qauv ntws; 60 rau ib-theem kua dej siab qhov siab; 9 rau series; txheem nqa yog ib-theem * series, ntawm no yog 540 meters taub hau; kawg P rau kev ntsuas tus kheej, lub twj tso kua mis no yog kev ntsuas tus kheej lub cev ntau theem ntawm cov twj tso kua mis;
Feem ntau hais lus, ntau lub twj tso tawm tuaj yeem tuaj yeem sib txawv tau zoo heev. Cov ntawv pem hauv ntej sawv cev rau hom twj, D ntau-theem, M hnav-resistant, F tiv thaiv xeb, S ob chav nqus (ob chav inlet); tus zauv nruab nrab yog tus nqi ntws, ib leeg nqa, series; Qhov ua tiav P yog kev ntsuas tus kheej
Nco ntsoov lub ntsiab lus ntawm cov cim saum toj no, kom koj tuaj yeem paub qhov txawv tshwj xeeb ntawm ntau cov twj muaj ntau cov tub txawg, thiab xaiv hom ntau tshaj lij thiab raug.
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