yeeb nkab kws

15 Xyoo Kev Tsim Khoom

PE yeeb nkab tau qhia

PE yog yas polyethylene, yas yooj yim tshaj plaws, hnab yas, qhwv yas, thiab lwm yam, yog PE, HDPE yog qib siab ntawm crystallinity, tsis yog-polar thermoplastic cob. Cov tsos ntawm thawj HDPE yog xim dawb, nrog rau qee qhov kev txhais tau zoo hauv ntu nyias. PE muaj kev tiv taus zoo rau feem ntau tsev neeg thiab tshuaj lom neeg.

PE yeeb nkab muaj nruab nrab ceev polyethylene yeeb nkab thiab kev kub ceev polyethylene yeeb nkab. Nws tau muab faib ua SDR11 thiab SDR17.6 raws li phab ntsa tuab. Cov qub yog tsim rau thauj cov khoom siv roj av nkev, nkev nkev thiab cov roj av liquefied, thaum kawg yog siv los thauj cov pa nkev. Piv nrog cov yeeb nkab steel, txheej txheem kev tsim kho yog yooj yim, muaj qee qhov hloov pauv tau, qhov tseem ceeb dua yog tsis siv rau kev kho los tiv thaiv xeb, yuav txuag ntau cov txheej txheem. Qhov tsis zoo ntawm cov cuab yeej tsis zoo li cov yeeb nkab steel, kev tsim kho tshwj xeeb rau kev nyab xeeb ntawm qhov cua sov cua sov sib nrug, thiab tsis tuaj yeem raug cua hauv lub hnub, thiab nkag siab rau tshuaj lom neeg, txhawm rau tiv thaiv cov dej phwj tuaj puas .

Tuam Tshoj txoj kev lag luam yeeb nkab hauv nroog, cov yeeb nkab yas tau txhim kho tsis tu ncua, PE raj, PP-R raj, UPVC raj muaj qhov chaw, ntawm lawv Lub zog txhim kho lub zog ntawm PE raj yog qhov muag pom tshaj plaws. PE yeeb nkab tau siv dav. Cov kav dej phwj tuaj thiab cov yeeb nkab roj yog nws ob daim ntawv thov kev lag luam loj tshaj plaws.

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Lub raj xa dej zoo yuav tsum tsis tsuas yog muaj kev lag luam zoo, tab sis kuj muaj cov txiaj ntsig zoo xws li kev ruaj khov thiab txhim khu kev qha, cuam tshuam tiv thaiv, tawg tsis kam, tiv taus kev laus thiab tiv taus xeb.

HDPE kav dej qhov zoo:

1. Txhim khu kev sib txuas: cov kav dej polyethylene txuas nrog hluav taws xob cua sov, thiab lub zog sib koom ua ke siab dua li lub zog ntawm cov yeeb nkab lub cev.

2, qhov kub tsis kam tiv taus yog qhov zoo: qhov kub tsis txias embrittlement kub ntawm polyethylene yog qhov tsawg heev, thiab tuaj yeem siv tau yam tsis muaj kev kub ntxhov ntawm -60-60 ℃. Hauv kev tsim kho lub caij ntuj no, cov yeeb nkab yuav tsis tawg vim qhov cuam tshuam zoo ntawm cov khoom.

3, kev nyuab siab tawg ua haujlwm tsis zoo: HDPE muaj qhov ua rau qis qis qis, siab txiav lub zog thiab tiv thaiv khawb tau zoo, ib puag ncig kev nyuaj siab tawg kuj tseem zoo heev.

4, tshuaj tiv thaiv xeb zoo: HDPE lub raj xa dej tuaj yeem tiv taus qhov xeb ntawm ntau yam tshuaj lom neeg, muaj cov tshuaj nyob hauv av yuav tsis ua rau muaj kev puas tsuaj ntawm cov raj xa dej. Polyethylene yog hluav taws xob rwb thaiv tsev, yog li nws yuav tsis rot, xeb lossis xeb hluav taws xob; Nws kuj tseem tsis txhawb kev loj hlob ntawm algae, kab mob lossis kab mob hu ua fungi.

5, kev laus tiv taus, kev ua haujlwm ntev: polyethylene yeeb nkab muaj 2-2.5% kev faib cov pa roj carbon dub tuaj yeem khaws cia sab nraum zoov lossis siv tau 50 xyoo, yuav tsis raug puas tsuaj los ntawm hluav taws xob ultraviolet.

6, hnav tsis kam: Qhov hnav tsis kam ntawm HDPE yeeb nkab thiab kev sib piv cov yeeb nkab steel qhia tau tias qhov hnav tsis kam ntawm HDPE yeeb nkab yog 4 npaug ntawm cov yeeb nkab steel. Hauv kev thauj av, HDPE cov kav dej muaj kev tiv taus zoo dua piv rau cov kav hlau, uas txhais tau tias kev pab lub neej ntev dua thiab kev lag luam zoo dua.

7. Kev hloov pauv tau zoo: Qhov hloov pauv tau yooj yim ntawm HDPE yeeb nkab ua rau nws yooj yim khoov, thiab cov teeb meem tuaj yeem hla dhau los ntawm kev hloov cov kev taw qhia ntawm cov yeeb nkab hauv kev tsim vaj tsev. Hauv ntau qhov xwm txheej, kev hloov pauv ntawm cov yeeb nkab tuaj yeem txo tus nqi ntawm cov yeeb nkab fittings thiab txo nqi kev teeb tsa.

8. Cov dej ntws tsis txaus: HDPE cov kav dej muaj qhov sib xyaw sab hauv thiab Manning coefficient ntawm 0.009. Kev ua tau zoo thiab cov yam ntxwv tsis-nplaum ntawm HDPE cov kav dej kom ntseeg tau tias muaj peev xwm xa khoom ntau dua li cov pa tubing, thaum txo kev poob siab thiab siv dej.

9, yooj yim los tuav: HDPE yeeb nkab yog sib zog dua cov yeeb nkab yeeb nkab, cov yeeb nkab galvanized thiab cov yeeb nkab steel, nws yooj yim los tuav thiab teeb tsa, txo qis kev ua haujlwm thiab khoom siv xav tau, txhais tau tias kev teeb tsa tus nqi ntawm txoj haujlwm tau txo qis heev.

10, ntau txoj hauv kev tsim kho tshiab: HDPE yeeb nkab muaj ntau yam kev siv thev naus laus zis, ntxiv rau cov txheej txheem kev khawb av ib txwm tuaj yeem siv rau kev tsim kho, kuj tseem tuaj yeem siv ntau yam thev naus laus zis tshiab tsis siv neeg xws li cov yeeb nkab txuas, cov kev taw qhia drilling, kab hauv qab, nyob rau hauv daim ntawv ntawm cov yeeb nkab thiab kev tsim kho, rau qee qhov tsis tso cai rau qhov chaw khawb av, yog qhov kev xaiv nkaus xwb, yog li HDPE cov yeeb nkab tau dav dua daim ntawv thov.

 


Sijhawm Tshaj Tawm: Sep-30-2021