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Dab tsi yog qhov txiaj ntsig ntawm HDPE cov txheej txheem - cov yeeb nkab phab ntsa rau loj - cov dej ntws thiab cov chaw ua si hauv chaw ua si?

Loj -scale kev lag luam dej thiab chaw nres tsheb irrigation yuav tsum tau piping uas muaj peev xwm lis ntsoog sab nraud loads thaum tshuav lub teeb txaus rau kev ceev installation. HDPE cov txheej txheem- cov yeeb nkab phab ntsa muab cov kev daws teeb meem zoo tshaj plaws los ntawm kev siv tus qauv tsim uas ua rau lub ntsej muag du thiab lub corrugated lossis ribbed sab nrauv phab ntsa. Qhov "tsim" tsim no muab lub nplhaib siab nruj nrog cov khoom siv tsawg dua li cov khoom siv - cov yeeb nkab phab ntsa ntawm tib txoj kab uas hla, ua rau nws muaj kev lag luam zoo thiab ib puag ncig zoo rau cov chaw tsim khoom thiab cov chaw ua si pej xeem. Raws li Shanghai siab- thev naus laus zis kev lag luam, peb tsim cov kav dej no siv cov thev naus laus zis extrusion uas ua kom muaj kev sib raug zoo zoo ntawm cov txheej txheem tav thiab sab hauv liner. Qhov no tiv thaiv delamination, uas yog ib qho kev ua tsis tau zoo nyob rau hauv qis dua -piping zoo. Peb txoj kev npaj loj muaj xws li hloov cov pob zeb laus thiab cov kav dej hlau hauv cov tsev kawm ntawv thiab tsoomfwv cov chaw nrog cov kev ua tau zoo HDPE no.

Kev paub txog kev lag luam nyob ib puag ncig cov qauv tsim- cov kav dej phab ntsa tsom rau "load-cov kabmob muaj peev xwm" thiab "cov tshuaj tiv thaiv." Vim tias cov kav dej no feem ntau muab faus rau hauv txoj kev lossis cov tshuab hnyav hauv cov chaw ua haujlwm, lawv yuav tsum tiv thaiv cov av hloov thiab cov tsheb hnyav. Peb cov xwm txheej raws li Shanghai tshwj xeeb thiab kev lag luam tshiab ua kom ntseeg tau tias txhua lub yeeb nkab raug sim rau nws lub peev xwm los tiv thaiv kev sib tsoo. Cov lus qhia siv rau cov kav dej no feem ntau cuam tshuam nrog electro- fusion lossis roj hmab nplhaib sib koom ua ke, muab qhov hloov tau yooj yim tsis tau xau- pov thawj kev sib txuas uas yog qhov tseem ceeb rau kev tiv thaiv ib puag ncig ntawm cov khoom pov tseg. Nrog rau peb cov kev muag khoom loj thiab kev pabcuam network, peb txhawb nqa kev xa tawm cov kav dej no hauv cov xwm txheej tseem ceeb xws li tshav dav hlau thiab siab - chaw nres tsheb ciav hlau ceev, qhov chaw hauv av yuav tsum tau hloov sai sai yam tsis muaj kev cuam tshuam ntev -. Raws li Shanghai thev naus laus zis-raws li kev lag luam me thiab nruab nrab- loj, peb tseem tab tom tshawb fawb txog kev siv HDPE rov ua dua tshiab hauv cov txheej txheem txheej txheej sab nrauv kom txuas ntxiv kev lag luam ncig. Los ntawm kev xaiv HDPE cov txheej txheem- cov yeeb nkab phab ntsa, cov neeg ua haujlwm tuaj yeem txo lawv cov nqi kev teeb tsa los ntawm 30% thaum muaj kev ruaj ntseg rau cov kav dej uas tiv thaiv xeb thiab kev loj hlob ntawm cov kab mob lom, ua kom tiav peb cov lus cog tseg ntawm kev hwm zoo thiab kev tsim kho tshiab.

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