Ifan Hoobkas 30+ xyooKev tsim khoom txhawb xim / loj customization kev them nyiaj yug dawb.Qhov kev sib tham rau cov ntawv teev thiab kuaj dawb.Qhov no yog peb FacebookLub Vev Xaib: www.Facebook.com, Nyem rau saib yog tias cov khoom lag luam video.comared nrog cov khoom lag luam Nyom, peb li cov khoom lag luam los ntawm qhov zoo rau koj xaiv zoo tshaj plaws, zoo siab tos txais yuav!

Cov Laus Kuj Los Ntawm HDPE Cov Yeeb Nkab

Lub hauv paus rau phau ntawv

HDPE (High - Ntub - Cov Hluav Taws Xob Polyethylene) Cov yeeb nkab fittings tau siv dav hauv ntau yam kev lag luam rau lawv cov ntau yam ua kom tau zoo. Ntawm cov no, kev laus tawm tsam ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab ntev - kev cia siab rau lub neej thiab lub neej ntawm cov raj xa hluav taws xob. Kev laus hauv HDPE cov yeeb nkab fittings tuaj yeem ua rau hloov pauv hauv cov khoom muaj zog, muaj zog txo cov tshuab, thiab kev ua haujlwm zoo nkauj ntxiv. Nkag siab txog kev laus me nyuam yaus ua rau kev laus, thiab cov hau kev los txhim kho kev laus ntawm HDPE - raws li cov tes hauj lwm zoo tshaj plaws.

Laus mechanisms nyob rau hauv HDPE yeeb nkab

Oxidative Laus Laus

OXIDATION Kev laus yog ib qho ntawm thawj cov txheej txheem cuam tshuam rau HDPE cov yeeb nkab fittings. HDPE muaj cov pa roj carbon - carbon ob chav tsev nyob rau hauv nws cov qauv molecular, uas yog qhov yooj yim rau oxidation. Thaum HDPE raug rau cov pa oxygen, yog los ntawm huab cua lossis los ntawm cov kua uas nws thauj, pub dawb - raint cov tshuaj tiv thaiv tuaj yeem tshwm sim. Nyob rau hauv muaj kub, lub teeb, lossis qee cov catalysts, oxygen lwg atoms los ntawm HDPE saw, ua dawb radicals. Cov radicals dawb ces hnov ​​mob nrog cov pa roj oxygen, ua rau kev tsim cov tshuaj pej fais fab. Cov tshuaj phaxides tuaj yeem txuas ntxiv txiav txim siab, rhuav tshem cov saw polymer thiab ua rau muaj kev txo qis ntawm HDPE. Nyob rau hauv dej - cua sov system, qhov twg cov kav dej HDPE raug tshem tawm cov pa dej haus, oxidative laus tuaj yeem txo cov yeeb nkab fittings dhau sijhawm.

Thermal Kev Laus

Thermal AVE tshwm sim thaum HDPE cov yeeb nkab fittings raug rau kom nce qhov kub ntev rau ncua sijhawm. Kev kub siab tau tuaj yeem nrawm cov lus qhia molecular tsis pub dhau ntawm cov khoom siv HDPE. Qhov no nce molyular muaj peev xwm tuaj yeem ua rau hloov pauv ntawm cov khoom siv Crystalline qauv. Thaj chaw muaj crystalline hauv HDPE tej zaum yuav dhau los ua kom tsawg dua, thiab cov qib ntawm crystallinity yuav txo qis. Raws li qhov tshwm sim, cov khoom siv mechanories ntawm HDPE, xws li tensile lub zog thiab kev cuam tshuam tsis kam, tuaj yeem cuam tshuam tsis tau zoo. Nyob rau hauv ib tug txheej txheem muaj kev siv cov roj hdpe roj yog siv los thauj cov kua kub, thermal laus tuaj yeem ua rau cov yeeb nkab fittings kom tawg.

Yees duab - Laus

Daim duab - kev laus, kuj tseem hu ua ultraviolet (UV) kev laus, yog qhov kev txhawj xeeb tseem ceeb rau HDPE cov yeeb nkab fittings uas tau nthuav tawm hnub ci. HDPE nqus UV hluav taws xob, tshwj xeeb tshaj yog nyob rau hauv lub wavelength ntau ntawm {1}} nm. Lub zog los ntawm UV photons tuaj yeem tsoo cov kev sib txuas lus hauv HDPE molecules, tsim cov radicals dawb. Zoo ib yam li oxidative kev laus, cov dawb radicals tuaj yeem pib ua cov saw hlau uas ua rau qhov kev ua tsis taus ntawm cov polymer. Hauv kev siv sab nraum zoov, xws li nyob rau hauv cov dej khov kho lossis sab saud - HDPE cov yeeb nkab fittings yog ncaj qha tshav ntuj, ua daim duab - kev laus ib qho tseem ceeb los xav txog.

Yam cuam tshuam rau kev laus tiv thaiv

Qho so

Qhov kub muaj qhov cuam tshuam zoo heev rau kev laus tiv thaiv HDPE cov yeeb nkab fittings. Cov kev kub siab dua ua kom muaj txhua hom kev laus, suav nrog oxidative, thermal, thiab yees duab - laus. Nyob rau hauv ib qho chaw huab cua kub - thaj chaw nyab xeeb, cov kav dej HDPE uas siv cov kev ua haujlwm nrawm dua vim muaj cua sov ntawm cov dej thauj. Tus nqi ntawm kev siv tshuaj lom neeg muaj feem nrog kev laus cov txheej txheem nce nrog qhov kub thiab txias, ua rau lub nrawm dua ntawm cov khoom.

Tshuaj ib puag ncig

Cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov kua dej thauj los ntawm HDPE cov yeeb nkab fittings tuaj yeem cuam tshuam rau lawv cov kev laus. Qee cov tshuaj tuaj yeem ua raws li catalysts rau oxidatterat kev laus. Piv txwv li, qee cov hlau ions muaj cov kua dej tuaj yeem nrawm nrawm - radical saw cov tshuaj tiv thaiv thaum oxidation. Nyob rau hauv cov tshuaj lom neeg siv tshuaj, yog tias cov kav dej ib rub los thauj cov kua dej uas muaj cov quav hlau, cov txheej txheem kev laus ntawm cov yeeb nkab fittings tej zaum yuav ua rau hastened loj. Ib qho ntxiv, raug rau cov tshuaj ua tau zoo tuaj yeem tawm tsam cov khoom siv HDPE, ua rau muaj kev txwv tsis pub tshuaj lom neeg thiab txo nws txoj kev laus.

UV kis

Raws li tau hais ua ntej lawm, UV kis yog ib qho tseem ceeb hauv kev yees duab - kev laus. Kev siv thiab sijhawm ntawm UV hluav taws xob ua si tseem ceeb tshaj plaws. Hauv cov cheeb tsam uas muaj lub hnub ci siab siv, xws li cov suab puam lossis ze ntawm cov kab sib npaug Lub xub ntiag ntawm ozone hauv cov cua tseem tuaj yeem txhim kho cov yees duab - kev laus cov txheej txheem, raws li ozone muaj peev xwm ua tau nrog cov hluav taws xob dawb, txuas ntxiv txhawb qhov kev cuam tshuam ntawm HDPE.

Laus tiv kev tawm tsam hauv cov ntawv thov sib txawv

Cov raj av hlau av ntoo pipeline

Nyob rau hauv cov raj dej av hauv av, HDPE cov yeeb nkab fittings feem ntau feem ntau tsawg tshaj tawm txog UV hluav taws xob piv rau saum toj no - av application. Txawm li cas los xij, lawv tseem muaj kev pheej hmoo ua rau oxidative thiab thermal kev laus. Cov av ib puag ncig yuav muaj cov pa oxygen, noo noo, thiab tshuaj lom neeg uas yuav pab txhawb rau kev laus oxidative. Ib qho ntxiv, yog tias cov raj xa hluav taws xob yog siv los thauj cov kua dej kub, thermal laus tuaj yeem tshwm sim. Piv txwv li, hauv cheeb tsam tsev kawm ntawv cua sov uas muaj cov dej kub uas yuav tsum tau muaj cov cua kub kom tiv thaiv kev sib xyaw ua ke ntawm cov av kub thiab tshuaj lom neeg muaj pes tsawg leeg tshuaj lom neeg.

Cov Dej Tawm Sab Nraud Sab Nraud Sab Nraud Sab Nraud

Cov dej dej sab nraum zoov muaj cov hnub ci, ua daim duab - kev txhawj xeeb uas laus. HDPE cov yeeb nkab yeeb nkab hauv cov kab ke no yog tas li tsis tu ncua nrog UV hluav taws xob. Sij hawm dhau mus, yees duab - kev laus tuaj yeem ua rau cov fittings los ua nkig, coj mus rau txi thiab system ua tsis tiav. Hauv kev ua liaj ua teb ua liaj ua teb npog thaj chaw loj, kev laus ntawm HDPE cov fittings tuaj yeem cuam tshuam rau cov dej muab rau cov qoob loo. Yog li no, kev xaiv ntawm HDPE cov ntaub ntawv nrog HI UV - Laus kev ua haujlwm yog qhov tseem ceeb heev rau kev ua haujlwm ntev - cov haujlwm dej sab nraum zoov ntawm sab nraum zoov tshuab.

Txhim Kho Cov Laus Kuj

Ntxiv Kev Sib Koom Tes

Ib txoj hauv kev ntau tshaj plaws los txhim kho kev laus tiv thaiv HDPE cov yeeb nkab fittings yog los ntawm kev sib xyaw ua ke rau hauv HDPE resin. Antioxidants yog siv dav siv ntxiv. Lawv ua haujlwm los ntawm scavenging dawb radicals, yog li cuam tshuam rau oxidative laus cov tshuaj tiv thaiv. Hindered phenolic antioxidants, piv txwv li, tuaj yeem muab cov hydrogen atom rau ib qho dawb radical, ruaj khov nws thiab tiv thaiv kev ua kom nruj ntxiv oxidation. UV Stabilizers yog lwm hom kev ntxiv. Lawv tuaj yeem nqus UV hluav taws xob thiab tsis haum lub zog li cua sov, tiv thaiv UV photons los ntawm kev rhuav tshem cov kev sib tsoo ntawm HDPE. Hauv kev tsim khoom tsim rau HDPE cov yeeb nkab fittings, ntxiv rau ntawm cov kev sib ntxiv no tuaj yeem txhim kho cov khoom siv tiv thaiv kev laus.

Cov Khoom Siv Xaiv thiab Tsim

Xaiv txoj cai qib ntawm HDPE yog qhov tseem ceeb rau kev txhim kho kev laus tiv taus. Qee cov qib HDPE tshwj xeeb tau tsim los ua kom zoo dua rau qee cov kev laus. Piv txwv li, HDPE nrog qib siab dua ntawm cov crystallininity yuav muab kev txhim kho hluav taws xob ruaj khov thiab ua kom muaj tshuaj lom neeg. Tsis tas li ntawd, kev tsim ntawm cov yeeb nkab fittings tuaj yeem cuam tshuam kev laus. Du - Surfaced fittings tsis tshua muaj cov av thiab tshuaj lom neeg yuav ua rau muaj kev laus av. Nyob rau hauv dej - kho cov nroj tsuag, kev siv lub zoo - tsim kev kho yeeb nkab ntawm siab - tsim nyog - resistant HDPE tuaj yeem ua kom ntev - lub ntsuas kev ncaj ncees ntawm cov raj xa hluav taws xob.

Kuaj thiab ntsuas cov kev laus tiv thaiv

Nrov Cov Laus Kev Ntsuas

Nrim siab laus xeem feem ntau siv los ntsuas kev laus tiv thaiv HDPE cov yeeb nkab fittings hauv lub sijhawm luv luv. Hauv chav kuaj, cov qauv ntawm HDPE raug rau cov mob hnyav, xws li kub siab, siab - kev siv hluav taws xob, thiab txhoj puab ib puag ncig. Piv txwv li, hauv ib lub thermal - kev kuaj mob sai sai, cov kev kuaj HDPE tau muab tso rau hauv qhov cub ntawm ib qho kub (piv txwv li}} {2} degree) rau lub sijhawm tshwj xeeb) rau lub sijhawm tshwj xeeb) rau lub sijhawm tshwj xeeb) rau lub sijhawm tshwj xeeb) rau lub sijhawm tshwj xeeb) rau lub sijhawm tshwj xeeb. Cov cuab yeej ua haujlwm ntawm cov qauv, xws li tensile muaj zog thiab elongation ntawm so, yog ntsuas ua ntej thiab tom qab kev sim ntsuas qhov kev laus. Cov kev xeem no pab cov chaw tsim khoom lag luam thiab cov neeg siv khoom ntev ntev - Sij hawm ua tau zoo ntawm HDPE cov yeeb nkab fittings nyob rau hauv tiag tiag - Cov Ntawv Thov Ntiaj Teb Tiag tiag.

Ntev - Lub Sij Hawm Saib Xyuas

Ntev - Lub sij hawm ntsuas xyuas kuj tseem ceeb rau kev ntsuas qhov kev laus ntawm HDPE cov yeeb nkab fittings. Nyob rau hauv tiag tiag - cov ntawv thov tiag, HDPE kav dej thiab fittings raug ntsia hauv ntau qhov chaw, thiab lawv cov kev ua tau raug soj ntsuam dhau lub sijhawm ncua. Nyob rau hauv ib tug loj - nplai dej - Khoom siv khoom siv, HDPE cov yeeb nkab fittings tsis tau tshuaj xyuas rau cov cim, kev sib tawg, thiab kev hloov pauv hauv cov khoom siv neeg kho tshuab. Los ntawm kev sib piv rau thaj teb - cov ntaub ntawv tshuaj xyuas nrog cov txiaj ntsig ntawm kev sim sai sai ntawm kev siv cov yeeb nkab ntawm HDPE tiv thaiv tuaj yeem tau txais.

Tag

Cov laus tsis kam ntawm HDPE cov yeeb nkab fittings yog qhov nyuaj thiab cov khoom tseem ceeb uas txiav txim siab txog kev ncua ntev thiab kev ntseeg tau ntawm cov tshuab raj. Los ntawm kev nkag siab txog kev laus me nyuam yaus, qhov tseeb uas cuam tshuam kev laus, thiab cov kev ua haujlwm tuaj yeem txiav txim siab txog kev xaiv, thiab txij nkawm ntawm HDPE - raws li cov twj sib txuas lus HDPE. Qhov kev paub no yog qhov tseem ceeb rau kev ua haujlwm kom nyab xeeb thiab siv tau ntawm cov raj hluav taws xob, los ntawm cov khoom siv hluav taws xob hauv sab nraum zoov.

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