Cov yeeb nkab THauv cov txheej txheem kho dej feem ntau ntsib kev xeb hnyav. Qhov xeb no ua rau lub kaw lus tsis ua haujlwm, muaj kuab paug, thiab kho kim heev. Cov kws tshaj lij daws qhov teeb meem no los ntawm kev xaiv cov ntaub ntawv tsim nyog. Lawv kuj siv cov txheej tiv thaiv. Ntxiv mus, kev siv cov tswv yim txij nkawm zoo ua kom lub kaw lus ruaj khov thiab siv tau ntev rau cov yeeb nkab T.
Cov Ntsiab Lus Tseem Ceeb
- Kev xeb hauv cov kav dej ua rau muaj teeb meem loj. Nws ua rau cov kav dej tawg thiab dej qias neeg. Kev xaiv cov ntaub ntawv thiab cov txheej txheem zoo yuav pab tiv thaiv qhov no.
- Cov ntaub ntawv sib txawv xws li cov hlau tsis xeb,cov yas, thiab cov fiberglass tshwj xeeb tiv taus xeb. Txhua tus ua haujlwm zoo tshaj plaws rau qee yam dej. Qhov no ua rau cov kav dej khov kho.
- Tsim qauv zoo, kev teeb tsa zoo, thiab kev kuaj xyuas tsis tu ncua ua rau cov kav dej muaj kev nyab xeeb. Qhov no suav nrog kev tsis txhob kov cov hlau sib txawv thiab ntxuav cov kav dej ntau zaus. Cov kauj ruam no ua rau cov kav dej kav ntev dua.
Nkag Siab Txog Kev Xeb Hauv Kev Kho Dej T Cov Yeeb Nkab
Hom Kev Xeb Uas Cuam Tshuam Rau Cov Khoom Siv Yeeb Nkab T
Kev xeb tshwm sim hauv ntau hom hauv cov txheej txheem kho dej. Kev xeb sib xws suav nrog kev tawm tsam dav dav thoob plaws qhov chaw. Kev xeb pitting tsim cov qhov hauv zos, feem ntau ua rau nkag mus sai. Kev xeb galvanic tshwm sim thaum ob lub hlau sib txawv sib txuas hauv electrolyte. Kev xeb tawg pib hauv qhov chaw kaw, thaum kev xeb-xeb yog los ntawm kev sib xyaw ua ke ntawm kev hnav tshuab thiab kev tawm tsam tshuaj lom neeg. Txhua hom ua rau muaj kev hem thawj rau kev ua tiav ntawm cov khoom.
Cov Yam Uas Ua Rau Kev Xeb Sai Dua Hauv Cov Chaw Kho Dej
Muaj ntau yam ib puag ncig uas ua rau xeb sai dua, tshwj xeeb tshaj yog nyob rau hauv cov khoom xws liCov Khoom Siv Yeeb Nkab T. Cov tshuaj lom neeg ntawm dej ua lub luag haujlwm tseem ceeb. Cov dej uas muaj kua qaub, uas muaj pH qis, ua rau cov kav dej hlau xeb sai dua. Ntawm qhov tod tes, cov dej alkaline heev kuj tseem tuaj yeem tsim teeb meem rau cov khoom siv yeeb nkab tshwj xeeb. Txawm li cas los xij, cov dej alkaline me ntsis pab tiv thaiv kev xeb ntawm cov kav dej thiab cov khoom siv. Cov pa oxygen yaj kuj cuam tshuam rau cov nqi xeb; cov concentration siab dua feem ntau ua rau oxidation nce. Ntxiv mus, cov dej mos lossis corrosive ua rau cov hlau lead thiab tooj liab tawm ntawm cov kav dej sai dua. Cov hlau lead ntau dua feem ntau tshwm sim hauv cov dej mos dua nrog pH qis dua. Hlau ntau dhau hauv dej ua rau xeb thiab xim av. Yog tias cov kab mob hlau muaj nyob, lawv tuaj yeem ua rau cov av gelatinous thiab cov kav dej encrustation. Kub thiab qhov ceev ntws kuj cuam tshuam rau kinetics xeb.
Cov txiaj ntsig ntawm kev xeb hauv cov txheej txheem kho dej
Kev xeb hauv cov txheej txheem kho dej ua rau muaj kev cuam tshuam loj heev rau kev ua haujlwm thiab kev nyab xeeb. Nws ua rau lub kaw lus tsis ua haujlwm, ua rau yuav tsum tau kho thiab siv sijhawm ntev. Cov khoom xeb tuaj yeem ua rau muaj cov pa phem rau hauv cov dej kho, ua rau cov dej zoo thiab kev noj qab haus huv pej xeem puas tsuaj. Kev ua haujlwm ntawm cov dej ntws tsawg dua thiab cov nqi twj tso kua mis ntau dua yog vim cov yeeb nkab sab hauv tawg thiab thaiv. Thaum kawg, kev xeb ua rau lub neej ntawm cov khoom siv luv dua, ua rau hloov cov khoom siv kim dua ua ntej lub sijhawm.
Kev Xaiv Khoom Siv Rau Cov Khoom Siv T Yeeb Nkab Uas Tiv Thaiv Kev Xeb
Kev xaiv cov khoom siv zoo rau cov yeeb nkab T yog qhov tseem ceeb heev rau kev tiv thaiv kev xeb hauv cov txheej txheem kho dej. Cov khoom siv sib txawv muaj ntau qib kev tiv taus rau cov neeg ua haujlwm xeb thiab cov xwm txheej ib puag ncig. Kev xaiv zoo ua kom lub kaw lus ua haujlwm ntev thiab ua haujlwm tau zoo.
Cov Hlau Stainless rau T Cov Yeeb Nkab Fittings
Cov hlau tsis xeb yog cov kev xaiv nrov rau kev siv dej kho vim lawv tiv taus xeb zoo heev. Lawv muaj chromium, uas tsim ib txheej passive rau ntawm qhov chaw, tiv thaiv cov hlau los ntawm oxidation.
- 304 Cov Hlau Stainless: Qib no siv dav. Nws muaj kev tiv thaiv xeb zoo heev thiab ua tau zoo. Nws muaj 18% chromium thiab 8% nickel. Qhov no ua rau nws haum rau kev siv dav dav thiab yog qhov kev xaiv txheem rau ntau lub tshuab raj.
- 316 Cov Hlau Stainless: Qib no suav nrog molybdenum. Nws muab kev tiv thaiv xeb zoo dua, tshwj xeeb tshaj yog tiv thaiv chlorides thiab hauv cov chaw nyob hauv dej hiav txwv. Nws yog qhov zoo dua rau kev ua cov tshuaj lom neeg, kev teeb tsa ntug dej hiav txwv, thiab cov ntawv thov tshuaj uas xav tau kev tiv thaiv xeb ntau dua.
Cov chaw kho dej hauv nroog thiab cov chaw lim dej ntsev siv cov khoom siv hlau tsis xeb vim lawv siv tau ntev thiab ntseeg tau. Cov khoom siv no tiv taus chlorine thiab lwm yam tshuaj kho dej ua rau muaj kev pabcuam tsis muaj teeb meem ntau xyoo. Qhov no tiv thaiv kev noj qab haus huv pej xeem thaum txo qis qhov yuav tsum tau saib xyuas.
Duplex stainless hlau muaj kev tiv thaiv corrosion zoo dua. Duplex stainless hlau (UNS S31803) qhia txog Pitting Resistance Equivalent Number (PREN) ntawm 35. Qhov no zoo dua li Hom 304 thiab Hom 316 stainless hlau. Nws kuj tiv taus kev ntxhov siab corrosion cracking, uas yog qhov tseem ceeb hauv cov ntawv thov xws li cov nroj tsuag desalination. Duplex stainless hlau tsis tshua raug kev txom nyem los ntawm kev ntxhov siab corrosion cracking (SCC). Super Duplex 2507 (UNS S32750) yog cov hlau stainless hlau super duplex siab. Nws muaj tus nqi PRE tsawg kawg nkaus ntawm 42. Qhov no ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau lub zog tshwj xeeb thiab kev tiv thaiv corrosion. Nws cov molybdenum, chromium, thiab nitrogen ntau ua rau nws tiv taus corrosion, chloride pitting, thiab crevice corrosion tawm tsam. Lub qauv duplex muab kev tiv thaiv zoo kawg nkaus rau chloride kev ntxhov siab corrosion cracking. Qhov no ua rau nws tshwj xeeb tshaj yog haum rau cov chaw muaj kev kub ntxhov xws li dej hiav txwv sov chlorinated thiab acidic, chloride-muaj media. Super Duplex 2507 muaj nyob rau hauv ntau yam fittings, suav nrog T yeeb nkab fittings. Super Duplex UNS S32750 qhia tau tias muaj kev tiv thaiv xeb zoo heev hauv ntau yam xov xwm corrosive. Qhov no suav nrog kev tiv thaiv zoo rau kev xeb pitting thiab crevice hauv dej hiav txwv thiab lwm qhov chaw muaj chloride. Nws muaj qhov kub thiab txias tseem ceeb tshaj 50 ° C. Nws kuj muaj kev tiv thaiv zoo heev rau kev ntxhov siab corrosion cracking hauv cov chaw chloride. Qhov no ua rau nws haum rau kev lag luam roj thiab roj av qhov twg cov khoom siv hauv qab dej ntsib cov xwm txheej chloride hnyav.
Cov Hlau Tsis Yog Hlau Hauv Cov Khoom Siv T Yeeb Nkab
Cov hlau uas tsis yog hlau, xws li tooj dag, kuj muab kev tiv thaiv xeb zoo hauv cov xwm txheej kho dej tshwj xeeb. Cov hlau tooj dag ua rau muaj kev tiv thaiv xeb zoo heev. Kev txhuam lossis siv cov txheej tiv thaiv xws li lacquer, enamel, lossis kev kho saum npoo plated tuaj yeem tiv thaiv kev puas tsuaj ntuj.
Tooj dag muaj kev tiv taus xeb zoo heev, tshwj xeeb tshaj yog los ntawm cov dej uas muaj ntau yam minerals. Qhov no ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv dej haus. Nws yog ib yam khoom siv ruaj khov uas muaj peev xwm tswj tau qhov siab thiab kub nruab nrab. Tooj dag yooj yim rau kev siv tshuab, ua rau muaj cov xov uas raug, kaw ruaj khov. Nws siv dav hauv cov dej haus, suav nrog cov khoom siv, cov li qub, thiab cov kais dej. Lub tee txo tooj dag 20mm x 1/2″ muaj qhov siab ua haujlwm siab tshaj plaws ntawm 10 bar. Nws qhov kub ua haujlwm yog 0-60 ° C. Qhov sib xws no sib xws nrog 20mm PVC yeeb nkab siab thiab cov khoom siv spigot, thiab 1/2″ BSP txiv neej xov. Nws yog qhov tsim nyog rau kev ua dej thiab kev kho mob.
Cov Yas thiab Cov Polymers rau T Cov Yeeb Nkab Fittings
Cov yas thiab cov polymers muaj ib qho kev xaiv uas sib dua thiab pheej yig dua li cov hlau. Lawv muab kev tiv thaiv zoo heev rau ntau yam tshuaj lom neeg. ABS thiab PVC yog cov yas siv rau cov kav dej thiab cov khoom siv hauv kev kho dej, suav nrog cov tshuab rau dej haus. ABS yog qhov tsim nyog tshwj xeeb rau cov ntawv thov uas kub tsawg. Nws tseem ductile ntawm qhov kub qis li -40ºC. Rau cov ntawv thov uas kub tsawg, ABS pipework raug pom zoo vim nws tswj nws cov ductility ntawm qhov kub qis mus rau -40ºC.
Cov yeeb nkab PVC T tiv taus dej chlorinated. Qhov no ua rau lawv tsim nyog siv rau hauv pas dej ua luam dej, chaw so, thiab chaw ua si. Lawv kuj siv rau hauv cov chaw kho dej rau kev thauj cov dej nyoos thiab dej kho. Qhov no yog vim lawv lub zog thiab tiv taus kev tawg thiab xeb, txawm tias thaum raug cov tshuaj lom neeg hnyav. PVC-U qhia tau tias muaj kev tiv thaiv tshuaj zoo heev rau feem ntau cov tshuaj ntawm cov kua qaub, alkalis, ntsev, thiab cov tshuaj sib xyaw dej. Nws tsis tiv taus cov roj carbon uas muaj ntxhiab thiab chlorinated. Kev raug ntev ntawm sab hauv ntawm qhov sib koom ua ke rau qee cov kua qaub ntau dhau yuav ua rau kev sib txuas cement puas tsuaj. Qhov no suav nrog sulfuric acid ntau dua 70%, hydrochloric acid ntau dua 25%, nitric acid ntau dua 20%, thiab hydrofluoric acid hauv txhua qhov kev sib xyaw. Cov yeeb nkab PVC T qhia tau tias muaj kev tiv thaiv tshuaj zoo heev rau feem ntau cov tshuaj ntawm cov kua qaub, alkalis, thiab ntsev, nrog rau cov kuab tshuaj uas tuaj yeem sib xyaw nrog dej.
Cov Yas Fiberglass Uas Muaj Zog Rau Cov Khoom Siv T Yeeb Nkab
Cov Yas Uas Muaj Fiberglass Reinforced Plastic (FRP) muab kev daws teeb meem zoo heev rau cov chaw uas muaj xeb heev uas cov kev xaiv hlau yuav ua tsis tau zoo. FRP/GRP yog cov kev daws teeb meem uas sib dua thiab ruaj khov. Nws tiv taus kev cuam tshuam, xeb, thiab tawg. Qhov no ua rau nws haum rau cov chaw uas xav tau kev kub ntxhov xws li cov chaw kho dej. Nws tsis xeb. Nws tsis ua rau muaj hluav taws thiab tuaj yeem tswj tau ntau yam tshuaj lom neeg. Qhov no ua rau nws zoo tagnrho rau cov chaw uas muaj kev kub ntxhov.
FRP ua tau zoo heev rau kev tiv thaiv xeb, ua rau lub neej ntev dua hauv ntau qhov chaw sib txawv. Nws lub cev tsis hnyav ua rau cov txheej txheem teeb tsa yooj yim dua. Nws tiv taus ntau yam tshuaj lom neeg, tsim nyog rau cov chaw nyuaj. Sab hauv du thiab yooj yim ua rau dej ntws tau zoo. Nws pom nws lub zog hauv cov ntawv thov tshwj xeeb vim nws tiv taus tshuaj lom neeg thiab ruaj khov. FRP kuj tau txais txiaj ntsig los ntawm kev ua hluav taws xob qis, tsim nyog rau thaj chaw ze ntawm kev teeb tsa hluav taws xob. Kev ua kom sov qis tiv thaiv nws kom tsis txhob 'txias rau kov' hauv qhov kub thiab txias heev.
Cov Txheej Txheem Tiv Thaiv thiab Cov Ntaub Npog rau Cov Khoom Siv Yeeb Nkab T
Cov txheej tiv thaiv thiab cov ntaub thaiv muab ib txheej tseem ceeb ntawm kev tiv thaiv tiv thaiv corrosion rauCov yeeb nkab Tthiab lwm yam khoom hauv cov txheej txheem kho dej. Cov ntawv thov no tsim ib qho kev thaiv ntawm qhov chaw dej uas muaj zog thiab cov khoom siv hauv qab. Qhov no ua rau lub neej ua haujlwm ntawm cov khoom siv ntev dua thiab tswj kev ua haujlwm ntawm lub kaw lus.
Cov Txheej Txheem Epoxy rau T Cov Yeeb Nkab
Cov txheej epoxy muab kev tiv thaiv zoo rau ntau yam khoom, suav nrog cov yeeb nkab T, hauv cov chaw kho dej. Cov txheej no tsim ib txheej tawv, ruaj khov uas tiv taus kev tawm tsam tshuaj lom neeg thiab kev sib txhuam. Piv txwv li, Sikagard®-140 Pas Dej Ua Si, ib txheej acrylic resin, qhia tau tias tiv taus dej chlorinated thiab cov neeg ua haujlwm ntxuav pas dej ua si ib txwm muaj. Cov no suav nrog cov tshuaj ntxuav acidic thiab alkaline thiab cov tshuaj tua kab mob. Qhov kev tiv thaiv no muaj tseeb thaum cov neeg ua haujlwm siv cov khoom siv kho dej tswj. Txawm li cas los xij, cov tshuaj chlorine ntau dua, tshaj 0.6 mg / l, lossis kev kho ozone, raws li DIN 19643-2, yuav ua rau chalking lossis discoloration ntawm qhov chaw. Qhov no yuav xav tau kev kho dua tshiab rau qhov laj thawj zoo nkauj. Cov txheej tshwj xeeb no tsis haum rau cov pas dej ua si siv electrolysis-based disinfection.
Cov txheej epoxy, tshwj xeeb tshaj yog cov uas tau txais kev pom zoo los ntawm Drinking Water Inspectorate (DWI), tau lees paub dav hauv kev khaws dej. Lawv muaj kev tiv thaiv tshuaj lom neeg thiab kev ua haujlwm ntev. Lawv tiv thaiv tau ntau yam tshuaj lom neeg, suav nrog chlorine. Chlorine yog cov tshuaj tua kab mob hauv kev kho dej haus. Cov txheej txheem ntxuav dej feem ntau tsim cov thoob dej thiab cov thav duab los ntawm cov hlau epoxy-coated kom ntseeg tau tias muaj kev tiv thaiv corrosion. Tsis tas li ntawd, cov skids feem ntau siv cov ntaub ntawv MS epoxy-coated. Cov ntaub ntawv no yog NACE tau ntawv pov thawj rau kev tiv thaiv corrosion siab tshaj plaws.
Cov Txheej Txheem Polyurethane rau T Cov Yeeb Nkab
Cov txheej polyurethane muab lwm txoj hauv kev zoo rau kev tiv thaiv cov yeeb nkab T thiab lwm yam khoom siv yeeb nkab. Cov txheej no paub txog lawv qhov yooj ywm, tawv, thiab tiv taus kev sib txhuam zoo heev. Cov ntaub polyurethane linings raug siv rau sab hauv ntawm cov yeeb nkab. Lawv tiv thaiv ob qho tib si xeb thiab kev sib txhuam. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv cov kab ke uas dej nqa cov khoom khov lossis ntws ntawm qhov ceev ceev. Kev siv cov txheej polyurethane rau cov yeeb nkab pab txuas lawv lub neej. Qhov no txo qhov zaus ntawm kev hloov pauv thiab kev saib xyuas.
Cov roj hmab hauv cov yeeb nkab T
Cov roj hmab txheej muab ib txheej tiv thaiv uas yoog tau thiab ruaj khov rau cov yeeb nkab T, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas muaj cov khoom siv abrasive slurries lossis cov tshuaj lom neeg. Cov chaw tsim khoom siv ntau hom roj hmab, xws li roj hmab ntuj lossis cov elastomers hluavtaws, rau sab hauv ntawm cov khoom siv. Cov txheej no nqus tau qhov cuam tshuam thiab tiv taus kev hnav los ntawm cov khoom me me. Lawv kuj muab kev tiv thaiv tshuaj zoo heev rau ntau yam kua qaub, alkalis, thiab ntsev. Cov txheej roj hmab zoo tshwj xeeb tshaj yog nyob rau hauv ib puag ncig uas thermal nthuav dav thiab kev cog lus yuav ua rau cov txheej txheem tawv dua.
Iav Linings rau T Yeeb Nkab Fittings
Cov ntaub iav muaj cov tshuaj tiv thaiv zoo heev, ua rau lawv haum rau cov chaw kho dej uas muaj zog tshaj plaws. Cov ntaub no muaj ib txheej iav nyias nyias sib xyaw rau ntawm qhov chaw hlau ntawm cov yeeb nkab T thiab lwm yam khoom siv. Qhov du thiab tsis muaj qhov ntawm cov ntaub iav tiv thaiv kev lo rau ntawm cov nplai thiab kev loj hlob ntawm cov kab mob. Qhov no tswj kev ntws zoo thiab txo qhov yuav tsum tau ntxuav. Cov ntaub iav tiv taus cov kua qaub thiab cov hauv paus muaj zog, txawm tias nyob rau qhov kub siab. Qhov no ua rau lawv zoo tagnrho rau cov ntawv thov tshwj xeeb uas lwm yam kev tiv thaiv yuav tsis ua haujlwm.
Tsim thiab Txhim Kho Cov Khoom Siv T Yeeb Nkab Uas Tiv Thaiv Kev Xeb
Tsim qauv zoo thiab kev teeb tsa zoo yog qhov tseem ceeb rau kev tiv thaiv kev xeb hauv cov txheej txheem kho dej. Cov kev coj ua no ua kom ntseeg tau tias cov khoom siv tau ntev thiab ntseeg tau. Lawv kuj txo qhov xav tau kev saib xyuas.
Txo Cov Kev Nyuaj Siab thiab Cov Qhov Ceg Hauv Cov Khoom Siv T Yeeb Nkab
Cov neeg tsim qauv yuav tsum txo cov ntsiab lus ntxhov siab thiab cov kab nrib pleb hauv T Pipe Fittings. Cov cheeb tsam no tuaj yeem ntes cov neeg ua haujlwm corrosive. Lawv kuj tsim cov chaw ib puag ncig uas xeb nrawm dua. Kev hloov pauv du thiab cov ces kaum puag ncig pab txo cov kev ntxhov siab. Cov txheej txheem tsim khoom kom zoo tiv thaiv cov npoo ntse thiab cov qhov sib txawv. Txoj kev tsim qauv no txwv cov chaw rau xeb kab nrib pleb. Nws kuj tseem txhim kho kev ua haujlwm tag nrho ntawm lub cev.
Cov Txheej Txheem Sib Koom Tes Zoo Rau Cov Khoom Siv Yeeb Nkab T
Cov txheej txheem sib koom ua ke kom raug yog qhov tseem ceeb rau kev tiv thaiv xeb. Cov pob qij txha vuam yuav tsum du thiab tsis muaj qhov tsis zoo. Cov qhov tsis zoo no tuaj yeem ua rau muaj xeb. Cov kev sib txuas flanged xav tau kev xaiv gasket kom raug thiab zawm bolt kom nruj. Qhov no tiv thaiv kev xau thiab tswj kom lub foob ruaj khov. Cov kev sib txuas threaded xav tau cov sealant tsim nyog. Cov sealant no tiv thaiv cov kua dej nkag thiab tom qab ntawd xeb.
Tsis Txhob Sib Chwv Cov Hlau Sib Txawv Hauv Cov Khoom Siv T Yeeb Nkab
Kev xeb galvanic tshwm sim thaum cov hlau sib txawv sib txuas hauv electrolyte. Cov neeg tsim qauv yuav tsum tsis txhob sib cuag ncaj qha ntawm cov hlau sib txawv. Txhawm rau tiv thaiv kev xeb galvanic ntawm cov kav dej ua los ntawm cov khoom sib txawv, cov khoom sib txuas dielectric feem ntau siv. Cov khoom sib txuas no feem ntau muaj cov txiv ntoo, cov xov sab hauv, thiab cov xov sab nraud. Lawv pab txhawb kev sib txuas thaum muab kev rho tawm hluav taws xob. TM198 yog ib txheej thermoplastic barrier pliable siv ua cov resin yaj. Nws zoo tiv thaiv cov khoom hlau, suav nrog cov kav dej, los ntawm galvanic pitting thiab atmospheric corrosion. Cov txheej no kuj muab kev tiv thaiv tiv thaiv dej thiab hmoov av ingress. Nws yog tsim rau kev rho tawm hluav taws xob conductor. Nws lub zog dielectric tau raug sim raws li ASTM D149.
Xyuas kom meej tias cov dej ntws zoo thiab tiv thaiv kev tsis sib haum xeeb hauv cov yeeb nkab T
Kev tso dej kom zoo yuav tiv thaiv kom dej tsis txhob ntws. Cov dej ntws tuaj yeem ua rau xeb hauv zos. Tsim cov txheej txheem nrog cov nqes hav thiab cov chaw tso dej. Qhov no ua kom muaj kev nchuav tag nrho thaum lub sijhawm kaw. Tsis txhob muaj ceg tuag lossis thaj chaw uas dej tuaj yeem sib sau ua ke. Kev yaug tsis tu ncua kuj pab tshem tawm cov tshuaj xeb thiab tiv thaiv kev tsim cov biofilm.
Kev Txij Nkawm thiab Kev Saib Xyuas rau T Pipe Fittings Lub Neej Ntev
Kev saib xyuas zoo thiab kev saib xyuas zoo ua rau lub neej ntawm lub cuab yeej ntev dua.Cov yeeb nkab TCov kev coj ua no tiv thaiv kev ua tsis tiav ua ntej thiab ua kom lub kaw lus ua haujlwm tas mus li. Lawv kuj txo cov nqi khiav lag luam tag nrho.
Kev Tshuaj Xyuas Tsis Tu Ncua thiab Kev Saib Xyuas Cov Khoom Siv T Yeeb Nkab
Cov neeg ua haujlwm ua qhov kev tshuaj xyuas pom ntawm cov yeeb nkab T. Lawv nrhiav cov cim ntawm kev xeb sab nraud, kev xau, lossis kev puas tsuaj ntawm lub cev. Cov chaw kuj siv cov txheej txheem kev sim tsis ua puas tsuaj (NDT). Kev sim ultrasonic lossis kev sim tam sim no ntsuas qhov tuab ntawm phab ntsa sab hauv thiab nrhiav pom cov qhov tsis zoo uas zais cia. Cov kev kuaj xyuas tsis tu ncua no txheeb xyuas cov teeb meem uas yuav tshwm sim thaum ntxov. Kev kuaj pom thaum ntxov tso cai rau kev cuam tshuam raws sijhawm.
Kev Tswj Xyuas Dej Chemistry rau T Pipe Fittings
Kev tswj cov tshuaj lom neeg hauv dej kom zoo yog qhov tseem ceeb rau kev tiv thaiv kev xeb. Cov chaw ua haujlwm saib xyuas cov pH, cov tshuaj chlorine, thiab cov pa oxygen uas yaj tas li. Kev tswj cov qib zoo tshaj plaws rau cov kev ntsuas no txo cov tshuaj tiv thaiv xeb. Cov chaw kho dej feem ntau ntxiv cov tshuaj tiv thaiv xeb. Cov tshuaj no tsim cov zaj duab xis tiv thaiv rau ntawm cov hlau. Cov zaj duab xis no tiv thaiv cov khoom siv los ntawm cov dej uas muaj zog.
Kev Ntxuav thiab Tshem Tawm Cov Nplaum rau Cov Khoom Siv Yeeb Nkab T
Kev ntxuav tas li tshem tawm cov nplai, cov av qias neeg, thiab cov biofilm ntawm cov yeeb nkab T. Cov av qias neeg no tuaj yeem tsim cov chaw xeb hauv zos. Cov txheej txheem ntxuav tshuab, xws li kev txhuam lossis txhuam, tshem tawm cov khib nyiab xoob. Cov tshuaj descaling agents yaj cov minerals uas tawv ncauj. Kev ntxuav zoo tswj tau qhov ua haujlwm hydraulic thiab tiv thaiv kev xeb sai.
Kev Kho thiab Hloov Cov Txheej Txheem rau T Cov Yeeb Nkab Fittings
Cov chaw tsim cov txheej txheem meej rau kev daws cov teeb meem ntawm cov yeeb nkab T uas puas lawm. Cov teeb meem me me, xws li cov xau me me, yuav tso cai rau kev kho ib ntus siv cov clamps lossis sealants. Txawm li cas los xij, yog tias muaj xeb ntau, tawg, lossis poob khoom ntau yuav tsum tau hloov tam sim ntawd. Kev khaws cov khoom seem ntawm cov khoom seem ua kom kho tau sai. Qhov no txo qhov kev ua haujlwm tsis ua haujlwm thiab tswj kev ua haujlwm zoo.
Kev tiv thaiv xeb zoo hauv cov yeeb nkab T rau kev kho dej xav tau ntau txoj hauv kev. Cov kws tshaj lij ua ke xaiv cov khoom siv paub zoo, cov txheej txheem tiv thaiv zoo, kev tsim qauv zoo, thiab kev saib xyuas zoo. Cov kev daws teeb meem no ua rau lub neej ntev, kev ua haujlwm zoo, thiab kev nyab xeeb ntawm cov kab ke kho dej.
Cov Lus Nug Feem Ntau
Hom xeb twg feem ntau cuam tshuam rau cov yeeb nkab T?
Kev xeb los ntawm cov qhov feem ntau cuam tshuam rau cov yeeb nkab T. Nws tsim cov qhov hauv zos. Qhov no tuaj yeem ua rau nkag mus sai thiab ua rau lub kaw lus tsis ua haujlwm. Kev xeb los ntawm cov hlau galvanic kuj tshwm sim thaum cov hlau sib txawv sib txuas.
Vim li cas cov kws tshaj lij feem ntau xaiv cov hlau tsis xeb rau cov yeeb nkab T?
Cov kws tshaj lij xaiv cov hlau tsis xeb vim nws tiv taus xeb zoo heev. Nws tsim ib txheej tsis ua haujlwm. Txheej no tiv thaiv cov hlau los ntawm kev ua kom sov. Cov qib zoo li 316 muab kev tiv taus zoo dua rau cov chlorides.
Cov txheej tiv thaiv ua li cas thiaj ua rau lub neej ntawm cov yeeb nkab T ntev dua?
Cov txheej tiv thaiv tsim ib qho thaiv. Qhov thaiv no cais cov khoom siv sib txuas ntawm cov dej xeb. Qhov no tiv thaiv kev tawm tsam los ntawm tshuaj lom neeg thiab kev hloov pauv. Cov txheej xws li epoxy thiab polyurethane ua rau lub neej ua haujlwm ntev dua.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-06-2025