Cov yeeb nkab twg yog qhov zoo dua rau cov yeeb nkab dej? Ua rau txoj kev xaiv

Kev tsis zoo ntawm cov khoom siv dej hauv cov tsev laus yog qhov muaj tseeb los hloov nws nrog ib tus tshiab, niaj hnub no. Qhov teeb meem ntawm kev xaiv ntawm tej lug yog feem ntau tsim nyog thiab cov tswv ntawm tshiab lub tsev lub zos lub tsev nyob. Hais txog dab yeeb nkab zoo dua rau cov yeeb nkab dej thiab yuav ua li cas thiaj xaiv txoj kev xaiv, cia peb tham ntxiv hauv tsab xov xwm.

Cov khoom siv hlau

Xws li cov kav dej nyob hauv tsev yog siv tsawg heev. Txawm li cas los xij, vim yog lawv lub cev tsis muaj zog thiab qhov tshwj xeeb tshaj plaws, lawv tseem nyob tau nrov. Piv txwv, thaum txiav txim siab tias cov yeeb nkab yog zoo dua rau cov yeeb nkab dej, cov tswv ntawm lub teb chaws cov tsev qee zaus them nqi rau qhov kev xaiv no. Feem ntau, cov kav hlau siv hlua polyethylene yog siv. Cov khoom siv no tuaj yeem kav ntev heev. Tsis tas li ntawd, nws yog characterized los ntawm lub zog txaus, ua hauj rau kev poob siab nyob rau hauv cov yeeb nkab dej, thiab kuj mus rau high kub. Hlau, ntawm chav kawm, yog prone rau xeb, yog li los ntawm hauv lub kav dej them nrog polyethylene. Tsis tas li ntawd, qee tus tswv tsev nyiam qhov nruab ntug tsis muaj ntxhua plhaws. Txawm li cas los xij, qhov no tshwm sim tsis tshua muaj vim yog cov nqi siab ntawm cov ntaub ntawv zoo li no.

Cov kav dej

Rau ib tug heev nplua nuj Ll tswv ntawm cov flats thiab cov tsev, cov lus nug ntawm cov yeeb nkab yog zoo dua rau cov yeeb nkab dej tsis yog txhua qhov. Rau lub hom phiaj no, lawv xaiv hom kev ruaj ntseg tshaj plaws ntawm cov khoom siv rau hnub - tooj. Xws li cov kav dej yuav tuaj yeem kho dua mus rau 50 xyoo, lawv yooj yim rau nruab thiab muaj kev hla ntau dua hlau. Tsis tas li ntawd, tooj liab muaj peev xwm ua kom dej huv thiab ua rau nws lub cev zoo dua.

Polypropylene sau

Rau cov uas tsis-metallic lug siv rau lub installation ntawm khiav dej nyob rau hauv lub qhov thiab lub tsev muaj xws li polypropylene khoom, raws li zoo raws li PVC, yas thiab polyethylene seamless. Thawj hom siv ntau zaus. Cov lus nug ntawm cov kav dej uas zoo dua rau cov yeeb nkab dej, cov tswv tsev ntawm cov tsev txiav txim siab feem ntau nyiam ua cov qauv zoo li no. Polypropylene - cov khoom yog unusually ruaj khov. Xws li cov kav dej muaj kev txhim khu hauv cov pob qij txha thiab muaj kev sib haum xeeb txawm tias lub siab ntawm 20 atmospheres (siv zog dua). Rau lawv cov kev zoo kuj yog ib qhov ua tau kom pheej yig. Cov xwm txheej tom kawg rau ib qhov kev lag luam loj ua rau lawv nrov heev.

Khoom ua los ntawm polyethylene thiab PVC

Kev txiav txim siab twg cov kav dej ua kom cov yeeb nkab ua tau zoo dua, ntau tus neeg tau xaiv nyuam qhuav xaiv cov txheej txheem tsis sib xws. Hom khoom ntawm cov khoom siv tsis yog xim hlau yog nyob deb ntawm cov txhim khu feem ntau. Tshaj li cov kav dej ntau dua tsis ntev los no. Thiab tam sim ntawd ua nrov nrov nrog tus neeg tau txais kev pab. Qhov lawv tseem ceeb distinguishing yog lub zog thiab elasticity. Tsis tas li ntawd, thaum siv cov txheej txheem xws li, cov pos hniav tsis siv, uas ua rau lawv txhim khu kev ua tau zoo.

PVC-khoom yog cov hom ntev ntawm cov kav dej tsis yog hlau. Xws li cov txheej txheem, ntawm lwm yam, yog cov tshuaj tua kab mob. Yog tias tsim nyog, lawv tuaj yeem tu tau yam tsis ntshai, siv cov tshuaj tshwj xeeb los yog alkaline.

Yog li, lo lus teb rau lo lus nug ntawm cov yeeb nkab yog zoo dua rau cov yeeb nkab dej yooj yim heev. Ntawm cov txheej hlau, qhov kev txhim khu feem kev txhim khu yuav yog cov khoom siv tooj liab. Ntawm non-metallic - seamless polyethylene los yog polypropylene.