HDPE Corrugated yeeb nkab
⑴ Txhim khu kev sib txuas: cov yeeb nkab polyethylene txuas nrog hluav taws xob kub yaj, thiab lub zog ntawm kev sib koom ua ke yog siab dua lub zog ntawm cov yeeb nkab lub cev.
⑵ Cov kub tsis zoo cuam tshuam tsis zoo: Qhov kub thiab txias ntawm polyethylene tsis tshua muaj siab, thiab nws tuaj yeem siv rau qhov kub thiab txias ntawm -60-60 ℃.Thaum lub sij hawm tsim kho nyob rau hauv lub caij ntuj no, vim hais tias cov khoom muaj kev cuam tshuam zoo, cov yeeb nkab yuav tsis nkig.
⑶ Zoo kev ntxhov siab tawg tsis kam: HDPE muaj qhov tsis tshua muaj siab, siab shear zog thiab zoo khawb tsis kam, nrog rau qhov zoo ntawm ib puag ncig kev ntxhov siab tawg.
⑷ Cov tshuaj tiv thaiv corrosion zoo: HDPE cov kav dej tuaj yeem tiv taus kev xeb ntawm ntau yam tshuaj lom neeg, thiab cov tshuaj lom neeg hauv av yuav tsis ua rau muaj kev puas tsuaj rau cov kav dej.Polyethylene yog ib qho hluav taws xob insulator, yog li nws yuav tsis rot, xeb lossis electrochemical corrosion;Tsis tas li ntawd, nws yuav tsis txhawb kev loj hlob ntawm algae, kab mob los yog fungi.
⑸ Kev laus ua haujlwm thiab kev ua haujlwm ntev: Cov yeeb nkab polyethylene uas muaj 2-2.5% sib npaug ntawm cov pa roj carbon dub tuaj yeem khaws cia lossis siv sab nraum zoov rau 50 xyoo yam tsis muaj kev puas tsuaj los ntawm hluav taws xob ultraviolet.
⑹ Zoo abrasion tsis kam: Qhov kev sib piv ntawm kev puas tsuaj ntawm cov kav dej HDPE thiab cov kav hlau hlau qhia tau hais tias kev puas tsuaj ntawm cov kav dej HDPE yog 4 npaug ntawm cov kav hlau.Hauv kev thauj mus los ntawm av nkos, HDPE kav dej muaj qhov hnav zoo dua li cov kav hlau, uas txhais tau hais tias HDPE kav muaj lub neej ntev kev pab cuam thiab kev lag luam zoo dua.
⑺ Kev ua tau zoo: Kev hloov pauv ntawm HDPE kav dej ua rau nws yooj yim rau khoov.Hauv engineering, obstacles tuaj yeem hla los ntawm kev hloov cov kev taw qhia ntawm cov kav dej.Feem ntau, qhov yooj yim ntawm cov raj xa dej tuaj yeem txo cov yeeb nkab fittings thiab txo nqi installation.
⑻ Cov dej ntws me me: HDPE yeeb nkab muaj qhov sib luag sab hauv, thiab nws cov Manning coefficient yog 0.009.Qhov kev ua tau zoo thiab cov khoom tsis muaj nplaum ua kom ntseeg tau tias HDPE kav dej muaj peev xwm ntau dua li cov kav dej ib txwm muaj, thiab tib lub sijhawm txo qis kev poob siab ntawm cov kav dej thiab lub zog siv dej xa mus.
⑼ Kev tuav yooj yim: HDPE kav yog sib dua li cov kav dej ua vaj tse, cov kav dej galvanized thiab cov kav hlau.Nws yog ib qho yooj yim los lis thiab nruab.Cov neeg ua haujlwm qis dua thiab cov khoom siv uas yuav tsum tau ua txhais tau hais tias tus nqi installation ntawm qhov project tau txo qis heev.
⑽ Ntau yam kev tsim kho tshiab: HDPE pipeline muaj ntau yam kev siv thev naus laus zis.Ntxiv rau cov txheej txheem excavation ib txwm muaj, nws kuj tseem tuaj yeem siv ntau yam tshiab uas tsis yog excavation technologies xws li yeeb nkab jacking, directional drilling, liner, Nws yog ib qho kev xaiv zoo rau qee qhov chaw uas tsis pub khawb.
High-density polyethylene (HDPE) muaj tshuaj lom neeg ruaj khov, kev laus ua haujlwm thiab ib puag ncig kev ntxhov siab tawg ua haujlwm.HDPE ob-phab ntsa corrugated yeeb nkab uas tsim los ntawm nws yog ib tug saj zawg zog yeeb nkab.Nws lub luag haujlwm tseem ceeb yog raws li hauv qab no:
Muaj zog tsis kam mus rau sab nraud
Sab nrauv phab ntsa muaj ib lub nplhaib-zoo li tus corrugated qauv, uas zoo heev txhim khu lub nplhaib nruj ntawm cov yeeb nkab, yog li pab txhawb kev tiv thaiv ntawm cov yeeb nkab rau av loads.Hauv qhov kev ua tau zoo no, HDP loj ob-phab ntsa corrugated yeeb nkab muaj qhov pom tseeb zoo piv nrog lwm cov kav dej.
Tus nqi qis qhov project
Nyob rau hauv cov xwm txheej ntawm kev sib npaug, HDPE ob-phab ntsa corrugated yeeb nkab tsuas yog xav tau cov phab ntsa nyias nyias kom tau raws li qhov yuav tsum tau ua.Yog li ntawd, piv nrog cov khoom-phab ntsa theem kav ntawm tib cov khoom thiab cov kev qhia tshwj xeeb, nws tuaj yeem txuag tau txog ib nrab ntawm cov khoom siv raw, yog li tus nqi ntawm HDPE ob-phab ntsa corrugated kav kuj qis dua.Qhov no yog lwm qhov zoo ntawm cov yeeb nkab.
Kev tsim kho yooj yim
Raws li HDPE ob-phab ntsa corrugated yeeb nkab yog lub teeb hauv qhov hnyav, yooj yim rau nqa thiab txuas, yog li kev tsim kho sai thiab kev saib xyuas yooj yim.Nyob rau hauv nruj raws sij hawm thiab kev tsim kho.
Nyob rau hauv cov xwm txheej tsis zoo, nws qhov zoo yog qhov pom tseeb dua.
Me me kev sib txhuam coefficient, loj txaus
HDPE ob-phab ntsa corrugated kav ua los ntawm HDPE tuaj yeem dhau qhov dej ntws loj dua li lwm cov kav dej ntawm tib lub caliber.Hauv lwm lo lus, nyob rau hauv tib qhov kev xav tau, HDPE ob-phab ntsa corrugated kav nrog lub taub me me tuaj yeem siv.
Tsawg kub thiab cuam tshuam tsis kam
Lub embrittlement kub ntawm HDPE ob-phab ntsa corrugated yeeb nkab yog -70 ℃.Nyob rau hauv ib txwm muaj qhov kub thiab txias (siab tshaj -30 ℃), kev tiv thaiv tshwj xeeb tsis tsim nyog rau kev tsim kho.Kev tsim kho yog yooj yim rau lub caij ntuj no.Tsis tas li ntawd, HDPE ob phab ntsa corrugated yeeb nkab muaj kev cuam tshuam zoo.
Zoo tshuaj stability
Txij li HDPE molecules tsis muaj polarity, lawv muaj tshuaj lom neeg ruaj khov zoo heev.Tsuas yog qee qhov muaj zog oxidants, feem ntau cov tshuaj lom neeg tsis tuaj yeem ua rau nws puas tsuaj.Cov av, hluav taws xob, thiab cov kua qaub-puag ntawm qhov chaw siv dav dav yuav tsis ua rau cov kav xa dej puas, yuav tsis yug cov kab mob, yuav tsis ntsuas, thiab nws cov cheeb tsam ncig yuav tsis txo qis nrog lub sijhawm ua haujlwm nce.
kav ntev
Lub neej ntawm HDPE ob-phab ntsa corrugated yeeb nkab tuaj yeem ncav cuag ntau tshaj 50 xyoo nyob rau hauv qhov xwm txheej ntawm tsis raug tshav ntuj thiab ultraviolet rays.
Zoo heev hnav tsis kam
Lub teb chaws Yelemees tau siv cov kev ntsuam xyuas los ua pov thawj tias qhov hnav tsis kam ntawm HDPE txawm tias ob peb zaug siab dua li cov kav hlau.
Tsim nyog deflection
Qee qhov ntev ntawm HDPE ob-phab ntsa corrugated yeeb nkab tuaj yeem hloov kho me ntsis hauv cov kev taw qhia axial, thiab tsis cuam tshuam los ntawm qee qhov kev sib haum xeeb ntawm cov av.Nws tuaj yeem muab tso ncaj qha rau hauv qhov tsis sib xws me ntsis yam tsis muaj cov yeeb nkab fittings, thiab lwm yam.
