Xov Xwm

Taw qhia Cov xim

Hauv kev tsim kho vaj tse thiab kev lag luam ntawm cov tib neeg niaj hnub no, cov kav dej ua lub luag haujlwm tseem ceeb. Lawv zoo li cov hlab ntsha uas ntsiag to thauj cov hlab ntsha, ntsiag to thauj cov kua, gases thiab ntau yam khoom, ua kom cov khoom siv hluav taws xob, kev ua haujlwm du ntawm kev tsim khoom thiab kev yooj yim ntawm lub neej txhua hnub. Txawm li cas los xij, tom qab kev ua haujlwm ntsiag to ntawm lub raj xa dej, muaj qhov tseem ceeb "tsis pom kev tiv thaiv" - cov xim kav dej, uas muab kev tiv thaiv tseem ceeb rau cov kav dej.

1. lub ntsiab lus thiab kev ua haujlwm ntawm cov kav dej pleev xim

Cov xim yeeb nkab, raws li lub npe qhia, yog cov xim tshwj xeeb tsim los siv rau saum npoo ntawm cov kav dej. Nws lub luag haujlwm tseem ceeb mus deb dhau qhov yooj yim kho kom zoo nkauj thiab kos npe, tab sis nkag mus tob rau hauv txhua theem ntawm kev tiv thaiv cov kav dej thiab kev ua kom zoo dua qub.

(1) Kev tiv thaiv corrosion thiab xeb

Cov kav hlau hlau yog qhov ua rau corrosion thiab xeb hauv qhov chaw ntub dej, acidic lossis alkaline ib puag ncig. Qhov no yuav tsis tsuas yog luv luv lub neej kev pab cuam ntawm cov kav dej, tab sis kuj yuav ua rau cov kav dej xau, ua rau muaj kev nyab xeeb loj thiab muaj kuab paug ib puag ncig. Cov yeeb nkab pleev xim tuaj yeem tsim ib txheej ntawm cov yeeb nkab kom cais tawm qhov chaw ib puag ncig sab nraud, tiv thaiv kom tsis txhob ya raws, oxygen thiab corrosive tshuaj thiab hlau ncaj qha. Ntawm lawv, cov pigments los tiv thaiv xeb, xws li cov hlau lead liab, zinc hmoov, thiab lwm yam, tuaj yeem ua rau cov hlau ntog los tsim cov txheej txheem ruaj khov ntawm cov tebchaw, ntxiv dag zog rau kev tiv thaiv xeb. Nyob rau hauv txoj kev no, cov yeeb nkab xim ncua cov txheej txheem ntawm corrosion thiab xeb, cuam tshuam rau lub neej kev pab cuam ntawm cov yeeb nkab, thiab txo cov nqi kho thiab hloov vim cov yeeb nkab puas.

(2) Txhim khu kev tiv thaiv huab cua

Lub raj xa dej tawm sab nraud ntsib kev sim ntawm ntau yam huab cua huab cua, tshav ntuj raug tshav ntuj yuav ua rau cov txheej txheem rau hnub nyoog thiab ploj, nag yaig yuav ua rau tsis muaj zog adhesion ntawm cov txheej, thiab kev hloov pauv ntawm txias thiab kub yuav ua rau cov khoom siv hauv cov kav dej nthuav dav thiab shrink, yog li cuam tshuam rau kev ncaj ncees ntawm txheej. Cov yeeb nkab xim zoo nkauj muaj cov huab cua tiv thaiv zoo heev thiab tuaj yeem ua haujlwm ruaj khov hauv kev hloov pauv huab cua mus ntev. Nws cov txheej txheem tshwj xeeb ua rau nws tiv taus hluav taws xob ultraviolet, tiv thaiv txheej txheej laus thiab embrittlement; Nyob rau tib lub sijhawm, dej tsis zoo ua kom cov nag tsis nkag mus rau hauv cov txheej txheem, tsis txhob xeb ntawm cov hlau hauv qab. Nyob rau lub caij ntuj no txias, cov yeeb nkab pleev xim tuaj yeem tiv taus qhov kub thiab txias, tsis tawg thiab tev; Thaum lub caij ntuj sov kub, nws tuaj yeem ua kom sov rwb thaiv tsev zoo, txo qhov nce ntawm qhov kub thiab txias ntawm cov kav dej, yog li txo qhov thermal stress ntawm cov khoom siv hauv cov kav dej thiab ua kom muaj kev nyab xeeb ntawm cov kav dej.

(3) Kev txheeb xyuas thiab ceeb toom

Hauv cov kav dej sib txuas, cov kav dej rau ntau lub hom phiaj yuav tsum tau ua kom pom tseeb ntawm cov xim kom cov neeg ua haujlwm tuaj yeem txheeb xyuas thiab tswj tau sai thiab raug. Piv txwv li, cov kav dej siv roj feem ntau yog pleev xim daj kom ceeb toom txog kev phom sij thiab kev siv tshwj xeeb; Cov kav hluav taws kub tau pleev xim rau xim liab kom ntseeg tau tias lawv tuaj yeem nyob tau sai thiab siv thaum muaj xwm txheej ceev. Tsis tas li ntawd, cov yeeb nkab pleev xim kuj tseem tuaj yeem ntxiv cov cim ceeb toom qhov muag hauv thaj chaw txaus ntshai, thaj chaw muaj kev kub ntxhov lossis qhov chaw ua haujlwm tshwj xeeb, xws li "kev phom sij siab", "tsis txhob kov" thiab lwm yam. Cov paib no tuaj yeem tsis tsuas yog ceeb toom cov neeg ua haujlwm kom ua tib zoo saib xyuas kev nyab xeeb, zam kev ua haujlwm tsis raug, tab sis kuj tseem muab cov ntaub ntawv tseem ceeb rau cov neeg ua haujlwm cawm siav thaum muaj xwm txheej ceev, ua kom ceev ceev ntawm kev kho mob xwm txheej ceev, thiab txo qis kev sib tsoo.

(4) Txhim kho kev zoo nkauj

Txawm hais tias kev zoo nkauj tsis yog lub luag haujlwm tseem ceeb ntawm cov yeeb nkab pleev xim, cov xim huv si, cov xim zoo nkauj, ci ntsa iab tuaj yeem txhim kho tag nrho cov tsos ntawm cov yeeb nkab. Hauv cov chaw muaj kev lag luam, cov qauv tsim thiab sib koom ua ke cov yeeb nkab xim tuaj yeem qhia txog qib kev tswj hwm thiab cov duab ntawm kev lag luam; Hauv cov cheeb tsam pej xeem, xws li txoj kev hauv nroog, thaj chaw nyob, thiab lwm yam, cov yeeb nkab pleev xim zoo nkauj tuaj yeem txo qhov pom kev cuam tshuam thiab ua rau thaj chaw huv huv thiab ua kom zoo dua qub. Tsis tas li ntawd, qhov zoo nkauj tuaj yeem ua rau pej xeem kev ntseeg siab thiab kev txaus siab rau kev tsim kho vaj tse thiab txhim kho tag nrho cov nroog zoo.

2, hom thiab yam ntxwv ntawm cov yeeb nkab xim

Muaj ntau hom kev pleev xim rau cov kav dej, txhua tus muaj kev ua haujlwm tshwj xeeb thiab daim ntawv thov scenarios kom tau raws li kev tiv thaiv kev xav tau ntawm cov kav dej sib txawv hauv qhov chaw sib txawv thiab kev ua haujlwm.

(1) Anti-xeb xim

Anti-xeb xim yog txheej tshwj xeeb uas siv los tiv thaiv hlau xeb, thiab yog ib qho ntawm cov txheej txheem yooj yim rau kev tiv thaiv cov kav dej. Nws feem ntau muaj tshwj xeeb los tiv thaiv cov xim xeb thiab cov ntxiv, uas tuaj yeem tsim cov hlau, noo noo thiab cov hlau, thiaj li ua kom muaj kev cuam tshuam ntawm xeb.
Anti-xeb xim yog feem ntau muab faib ua ob pawg: oily anti-xeb xim thiab dej-raws li anti-xeb xim. Roj-based anti-xeb xim nrog cov organic hnyav raws li diluent, muaj cov yam ntxwv ntawm kev ziab sai thiab kev ua haujlwm zoo los tiv thaiv xeb, tab sis vim nws cov ntsiab lus tsis zoo ntawm cov organic sib txuas (VOC), muaj qee yam cuam tshuam rau ib puag ncig thiab tib neeg kev noj qab haus huv, yog li kev siv yuav raug rau qee yam kev txwv. Nyob rau hauv sib piv, dej-raws li anti-xeb xim siv dej raws li ib tug diluent, uas muaj qhov zoo ntawm kev tiv thaiv ib puag ncig, kev nyab xeeb, thiab tsis yooj yim rau hlawv, thiab ua tau raws li cov kev cai ntawm niaj hnub ib puag ncig kev cai. Txawm li cas los xij, nws lub sij hawm ziab yog qhov ntev, thiab nws cov kev ua haujlwm los tiv thaiv xeb kuj yuav ua rau me ntsis phem dua li cov roj pleev xim rau hauv qee qhov xwm txheej.
Nyob rau hauv cov nqe lus ntawm anti-xeb pigments, hom liab lead, zinc hmoov, zinc phosphate thiab hais txog. Liab txhuas cov xim pleev xim rau xim muaj qhov zoo tiv thaiv xeb, tab sis vim cov hlau lead liab muaj cov hmoov txhuas, ua rau muaj kev phom sij rau ib puag ncig thiab tib neeg lub cev, nws tau maj mam txwv. Zinc hmoov los tiv thaiv xeb xim siv cov tshuaj tiv thaiv electrochemical ntawm zinc, uas tuaj yeem muab kev tiv thaiv xeb ntev ntev rau cov hlau, tshwj xeeb tshaj yog tsim rau Marine ib puag ncig thiab lwm lub sijhawm corrosive. Zinc phosphate anti-xeb xim reacts nrog hlau nto los tsim ib tug ruaj khov phosphate tiv thaiv zaj duab xis, uas muaj zoo anti-xeb zog thiab dej kuj.

(2) Anti-corrosion xim

Anti-corrosion xim yog txheej tshwj xeeb uas tsim los tiv thaiv kev yaig ntawm cov tshuaj lom neeg, thiab ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov kav dej hauv tshuaj lom neeg, roj av, kev kho dej phwj thiab lwm yam lag luam. Raws li cov xov xwm sib txawv corrosive, cov xim tiv thaiv corrosion tuaj yeem muab faib ua cov xim acid-resistant, alkali-resistant xim, ntsev-spray xim thiab lwm yam.
Acid-resistant xim yog tsuas yog siv los tiv thaiv corrosion ntawm acidic tshuaj, xws li sulfuric acid, hydrochloric acid thiab lwm yam. Formulations feem ntau muaj cov kua qaub-resistant resins thiab tshwj xeeb muab tub lim uas tswj kev ncaj ncees thiab ruaj khov ntawm txheej hauv acidic ib puag ncig. Alkali resistant xim yog rau alkaline tshuaj, xws li sodium hydroxide, poov tshuaj hydroxide, thiab lwm yam, muaj alkali tsis kam. Cov xim pleev xim rau cov tshuaj tsw qab yog los tiv thaiv cov ntsev tsuag yaig nyob rau hauv cov ntug dej hiav txwv los yog Marine ib puag ncig, los ntawm cov txheej txheem tshwj xeeb thiab xeb tiv thaiv xim, tiv thaiv cov ntsev ntsev thiab xeb ntawm cov kav dej.
Thaum xaiv cov xim los tiv thaiv corrosion, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xav txog qhov nruab nrab, kev ua haujlwm kub, siab thiab lwm yam ntawm kev thauj mus los hauv cov kav dej. Piv txwv li, nyob rau hauv cov tshuaj yeeb dej caw, yog hais tias tus me nyuam yog heev corrosive tshuaj, nws yog tsim nyog los xaiv ib tug anticorrosive xim uas zoo heev chemical resistance, thiab xaiv cov coj resin hom thiab pigment raws li qhov tshwj xeeb ntawm cov tshuaj.

(3) Kub kub resistant xim

Hauv qee qhov kev siv tshwj xeeb hauv kev lag luam, xws li cov kav dej kub, cov kav dej hauv cov kav dej, cov kav dej ntawm lub cav, thiab lwm yam, cov kav dej yuav tsum tau ua haujlwm ntev ntev hauv qhov kub thiab txias. Kub kub resistant xim yog tsim los ua kom tau raws li qhov kev thov no.
Cov xim kub resistant tuaj yeem tswj tau qhov kev ruaj ntseg ntawm cov txheej hauv qhov kub thiab txias, tsis muaj softening, ntws, ntog thiab lwm yam tshwm sim. Nws cov khoom tseem ceeb muaj xws li kub resistant resin, tshav kub resistant pigment thiab ua hauj lwm muab tub lim. Silicone siab kub resistant xim yog ib hom zoo heev kub kuj thiab yuav siv tau rau lub sij hawm ntev nyob rau hauv qhov kub ntawm 200 ° C mus rau 600 ° C. Inorganic silicon kub xim xim tuaj yeem tiv taus qhov kub thiab txias, mus txog 800 ° C. los yog ntau tshaj 1000 ° C, tab sis nws yooj yim thiab adhesion yog qhov tsis zoo.
Txhawm rau kom ntseeg tau cov nyhuv ntawm cov xim kub kub, yuav tsum tau ua kom nruj pretreatment ntawm lub raj xa dej ua ntej kev tsim kho kom tshem tawm cov roj, xeb thiab oxide. Nyob rau tib lub sij hawm, thaum lub sij hawm tsim kho, yuav tsum tau them nyiaj mloog mus rau kev tswj lub thickness thiab uniformity ntawm lub txheej kom tsis txhob muaj qhov tshwm sim ntawm lub zos tuab heev los yog nyias.

(4) Insulating xim

Rau cov kav dej uas xa hluav taws xob lossis siv hauv cov khoom siv hluav taws xob, xws li cov kav dej tiv thaiv kab mob, cov khoom siv hluav taws xob, thiab lwm yam, kev ua haujlwm rwb thaiv tsev yog qhov tseem ceeb. Insulating pleev xim tuaj yeem tsim cov txheej txheej zoo insulating ntawm cov kav dej, tiv thaiv cov xau tam sim no, thiab ua kom muaj kev nyab xeeb ntawm cov khoom siv hluav taws xob.
Insulating xim feem ntau yog tsim los ntawm hluavtaws cob, hnyav thiab insulating muab tub lim, thiab muaj cov rwb thaiv tsev zoo, tsis kam tiv taus thiab ya raws. Cov xim insulating feem ntau suav nrog alkyd insulating xim, polyester insulating xim, epoxy insulating xim thiab lwm yam. Thaum xaiv cov xim insulating, nws yog ib qho tsim nyog yuav tsum ua tib zoo xav txog yam xws li kev ua haujlwm voltage, siv ib puag ncig thiab rwb thaiv tsev uas yuav tsum tau ua ntawm cov kav dej.

(5) Cov xim tiv thaiv ib puag ncig

Nrog rau kev txhim kho txuas ntxiv ntawm kev saib xyuas thoob ntiaj teb rau kev tiv thaiv ib puag ncig, ib puag ncig tus phooj ywg yeeb nkab xim tau dhau los ua cov qauv kev lag luam. Cov xim no txo cov emission ntawm volatile organic tebchaw (VOC) hauv kev tsim thiab siv cov txheej txheem, txo cov pa phem ntawm huab cua ib puag ncig, thiab tseem txo cov kev phom sij rau cov neeg ua haujlwm thiab cov neeg siv.
Cov xim tiv thaiv ib puag ncig feem ntau suav nrog cov xim pleev xim dej, cov xim zoo nkauj thiab cov xim tsis muaj kuab lom thiab lwm yam. Cov xim pleev xim rau cov dej siv dej ua cov tshuaj diluent, tsis muaj cov kuab tshuaj organic, muaj qhov zoo ntawm kev tiv thaiv ib puag ncig, kev nyab xeeb, tsis muaj nplaim taws thiab lwm yam. Los ntawm kev nce cov ntsiab lus hauv cov xim, kev siv cov kuab tshuaj txo qis, yog li txo VOC emissions. Cov xim tsis muaj kuab yog yuav luag tsis muaj kuab lom thiab muaj lub cev zoo thiab tshuaj lom neeg, tab sis kev tsim kho yuav tsum siab dua.
Kev tiv thaiv ib puag ncig tsis yog tsuas yog zoo heev hauv kev tiv thaiv ib puag ncig, nws cov kev ua tau zoo kuj tseem txhim kho, tuaj yeem ua tau raws li kev tiv thaiv kev xav tau ntawm ntau cov kav dej, thiab tau ua rau muaj txiaj ntsig zoo rau kev txhim kho kom ruaj khov.

3. kev xaiv cov yeeb nkab xim cov ntsiab lus

Xaiv cov xim yeeb nkab zoo yog tus yuam sij kom ntseeg tau tias muaj kev tiv thaiv thiab kev pabcuam lub neej ntawm cov yeeb nkab. Thaum txiav txim siab, ntau yam yuav tsum tau txiav txim siab kom ua tau raws li qhov yuav tsum tau ua ntawm cov kav dej hauv qhov chaw tshwj xeeb thiab kev ua haujlwm.

(A) kev siv cov kav dej ib puag ncig

Cov xwm txheej ib puag ncig ntawm cov yeeb nkab yog qhov tseem ceeb hauv kev xaiv cov yeeb nkab xim. Ib puag ncig sib txawv muaj cov kev xav tau sib txawv rau kev ua haujlwm ntawm cov txheej txheem.
Yog tias lub raj xa dej tau nruab rau hauv qhov chaw ntub dej hauv av, xws li cov kav dej phwj, cov kav dej hauv av, thiab lwm yam, nws yuav tsum xaiv cov xim uas muaj cov dej noo zoo thiab corrosion kuj. Hom xim no feem ntau muaj cov dej tsis zoo thiab cov tshuaj tiv thaiv, uas tuaj yeem tiv thaiv kev yaig ntawm cov dej thiab tshuaj lom neeg hauv av hauv av.
Rau cov kav dej uas raug rau sab nraum zoov, xws li cov kav dej kub saum taub hau, cov kav dej roj, thiab lwm yam, lawv yuav tsum tau tiv thaiv kev sim ntawm ntuj yam xws li tshav ntuj, nag yaig, cua thiab xuab zeb yaig. Yog li ntawd, cov yeeb nkab pleev xim nrog cov huab cua tsis zoo thiab hnav tsis kam yuav tsum tau xaiv kom ntseeg tau tias cov txheej txheem tseem nyob ruaj khov nyob rau hauv ib puag ncig sab nraum zoov mus ntev.
Yog hais tias lub raj xa dej nyob rau hauv ib puag ncig kub, xws li cov kav dej rauv, thermal fais fab nroj tsuag cov kav dej, thiab lwm yam, ces cov xim kub resistant yog qhov kev xaiv zoo tshaj. Cov xim no tuaj yeem tuav nws lub cev thiab tshuaj lom neeg ntawm qhov kub thiab txias, tiv thaiv cov kav dej los ntawm kev deformation, corrosion thiab lwm yam teeb meem vim qhov kub thiab txias.

(B) Cov khoom thauj los ntawm cov kav dej

Cov khoom thauj los ntawm cov raj xa dej kuj muaj qhov cuam tshuam tseem ceeb ntawm kev xaiv cov yeeb nkab xim. Cov khoom sib txawv muaj cov tshuaj sib txawv thiab lub cev sib txawv, uas yuav ua rau corrosion, tawg lossis hnav ntawm cov yeeb nkab txheej.
Yog tias lub raj xa dej thauj cov kua corrosive, xws li cov kua qaub, alkalis, ntsev, thiab lwm yam, ces koj yuav tsum xaiv cov xim pleev xim uas tuaj yeem tiv taus qhov yaig ntawm cov khoom siv tshuaj sib xws. Piv txwv li, lub raj xa hluav taws xob thauj cov sulfuric acid yuav tsum siv cov kua qaub-resistant xim, thiab cov kav dej thauj cov tshuaj sodium hydroxide yuav tsum tau siv cov xim alkali-resistant.
Rau kev sib kis ntawm cov khoom siv hluav taws xob thiab cov khoom tawg xws li roj thiab cov nkev, ntxiv rau kev xav txog kev ua haujlwm tiv thaiv corrosion, nws tseem yuav tsum tau xaiv cov kav dej pleev xim nrog kev ua haujlwm zoo los tiv thaiv zoo li qub los tiv thaiv cov hluav taws xob zoo li qub los ntawm kev ua kom hluav taws kub. los yog tawg xwm txheej.
Yog tias nws yog cov khoom noj lossis cov kav dej haus, kev xaiv cov xim yuav tsum nruj dua, yuav tsum siv cov xim tsis muaj tshuaj lom ib puag ncig tiv thaiv uas ua tau raws li cov qauv kev noj qab haus huv, kom ntseeg tau tias cov khoom thauj tsis muaj paug, tiv thaiv kev noj qab haus huv thiab kev nyab xeeb ntawm pej xeem. .

(C) Kev tsim kho tej yam kev mob

Kev tsim kho cov xwm txheej muaj kev cuam tshuam ncaj qha rau kev xaiv thiab kev tsim kho ntawm cov kav dej pleev xim. Txoj kev tsim kho, qhov cua ntawm qhov chaw tsim kho, thiab cov txheej txheem kho saum npoo yog txhua yam uas yuav tsum tau xav txog.
Cov yeeb nkab xim sib txawv yog tsim rau ntau txoj kev tsim kho. Piv txwv li, qee cov xim pleev xim yog tsim rau kev txhuam hniav vim lawv cov viscosity siab thiab tuaj yeem txuas nrog rau saum npoo ntawm cov yeeb nkab nyob rau hauv qhov kev txiav txim ntawm txhuam; Lwm cov xim zoo dua rau kev txau vim tias lawv tsim cov txheej nyias nyias.
Qhov cua ntawm qhov chaw tsim kho kuj tseem ceeb heev. Nyob rau hauv qhov chaw tsis zoo, cov xim pleev xim nrog cov ntsiab lus tsis tshua muaj volatile organic compounds (VOC) yuav tsum tau xaiv los txo qhov kev puas tsuaj rau kev noj qab haus huv ntawm cov neeg ua haujlwm tsim kho thiab cov pa phem rau ib puag ncig.
Tsis tas li ntawd, cov kev kho mob ntawm cov yeeb nkab saum npoo yuav cuam tshuam rau kev xaiv cov xim. Yog hais tias qhov saum npoo ntawm cov kav dej yog xeb heev los yog muaj cov pa phem xws li roj, nws yog ib qho tsim nyog yuav tau xaiv cov xim kav dej uas tseem tuaj yeem ua tau zoo nyob rau hauv qhov chaw tsis zoo, lossis kev kho deg nruj dua ua ntej kev tsim kho.

(D) Nyiaj txiag

Thaum xaiv cov xim yeeb nkab, pob nyiaj siv kuj yog ib qho tseem ceeb uas tsis tuaj yeem tsis quav ntsej. Tus nqi ntawm ntau hom thiab hom ntawm cov yeeb nkab xim sib txawv heev, yog li nws yog ib qho tsim nyog yuav tsum xaiv qhov tsim nyog raws li cov peev nyiaj hauv qab qhov chaw ua tau raws li cov kev cai tiv thaiv.
Feem ntau, cov yeeb nkab ua yeeb yam zoo nkauj kuj tseem kim, tab sis lawv tuaj yeem muab kev pabcuam ntev dua thiab kev tiv thaiv zoo dua. Yog tias cov peev nyiaj tsawg, koj tuaj yeem xaiv qee cov khoom siv tau zoo, tab sis nco ntsoov tias nws qhov kev ua tau zoo tuaj yeem ua tau raws li cov kev xav tau kev tiv thaiv yooj yim ntawm cov kav dej.
Nyob rau tib lub sijhawm, nws tseem yuav tsum tau xav txog kev saib xyuas tus nqi ntawm cov yeeb nkab xim. Qee cov yeeb nkab xim zoo nkauj, txawm hais tias thawj zaug peev yog siab, tej zaum yuav siv nyiaj ntau dua nyob rau lub sijhawm ntev vim lawv cov kav ntev thiab tsis tshua muaj txij nkawm.

4, kev tsim kho technology ntawm pipeline xim

Kev tsim kho tshuab kom raug yog qhov txuas tseem ceeb los xyuas kom muaj kev tiv thaiv ntawm cov kav dej pleev xim. Tsuas yog los ntawm kev ua raws li cov txheej txheem tsim kho nruj me ntsis tuaj yeem ua kom ntseeg tau tias qhov zoo thiab kev ua haujlwm ntawm cov txheej txheem ua tau raws li cov hom phiaj xav tau.

(1) Kev kho deg

Kev kho deg yog cov kauj ruam tseem ceeb ntawm kev siv cov kav dej pleev xim, thiab nws qhov zoo ncaj qha cuam tshuam rau qhov adhesion thiab tiv thaiv cov nyhuv ntawm txheej.
Ua ntej kev kho deg, qhov chaw ntawm lub raj xa dej yuav tsum tau ntxuav kom huv si kom tshem tawm cov pa phem xws li roj, plua plav, xeb, thiab oxide. Rau cov kav hlau uas muaj xeb heev, kev kho xeb tshem tawm feem ntau yog ua los ntawm sandblasting, pickling, sib tsoo thiab lwm txoj kev. Xuab zeb blasting yog ib hom kev tshem tawm xeb, uas tshem tawm cov xeb thiab oxidation txheej los ntawm kev tsoo lub npoo ntawm cov raj xa dej nrog cov xuab zeb txau ntawm kev kub ceev, kom lub ntsej muag nce mus txog qee qhov roughness thiab txhim kho cov adhesion ntawm txheej. Pickling yog siv cov kua qaub kom yaj cov xeb thiab oxide nyob rau saum npoo ntawm cov kav dej, tab sis nws yog ib qho tsim nyog yuav tsum tau ua tib zoo saib xyuas cov kev kho mob nruab nrab thiab ntxuav tom qab pickling kom tsis txhob muaj cov kua qaub seem los ntawm kev ua rau cov kav xa dej. Kev sib tsoo yog tsim rau cov xeb hauv zos lossis thaj chaw me me kho qhov chaw.
Ntxiv nrog rau kev tshem tawm xeb, nws tseem yuav tsum tau tshem tawm cov roj thiab hmoov av ntawm qhov chaw ntawm cov kav dej. Cov txheej txheem xws li kev ntxuav cov kuab tshuaj, tshuaj ntxuav lye lossis kev siv dej siab siab tuaj yeem siv. Tom qab kev kho saum npoo tiav lawm, nws yuav tsum tau kuaj xyuas lub sijhawm kom ntseeg tau tias cov yeeb nkab nto ua tau raws li qhov yuav tsum tau ua kom huv thiab roughness.

(2) Pre-coating

Pre-txheej txheej yog txheej txheem ua ntej txheej txheej ntawm cov raj xa dej uas nyuaj rau xim, xws li cov vuam, lub kaum sab xis, cov ntsia hlau txuas.
Vim yog cov duab tsis yooj yim, cov khoom no ua rau muaj teeb meem xws li cov txheej nyias nyias thiab cov txheej txheem uas ploj lawm hauv cov txheej txheem tha xim, yog li lawv yuav tsum tau kho ua ntej. Cov xim uas siv rau hauv cov txheej txheem ua ntej yuav tsum zoo ib yam li cov txheej txheem tseem ceeb, thiab kev tsim kho yuav tsum tau nqa nrog txhuam los yog rab phom me me kom ntseeg tau tias cov khoom no muaj kev tiv thaiv zoo.

(3) Kev kos duab

Painting yog qhov txuas tseem ceeb ntawm cov kav dej pleev xim rau kev tsim kho, raws li hom kev siv lub raj xa dej thiab kev tsim kho, xaiv txoj kev pleev xim kom tsim nyog.
Txhuam txheej yog txheej txheem txheej txheem, haum rau thaj chaw me me, cov duab zoo ntawm cov yeeb nkab lossis kho hauv zos. Thaum siv cov txhuam hniav, xyuam xim rau qhov hardness thiab dav ntawm cov bristles, nrog rau cov kev taw qhia thiab lub zog ntawm cov txhuam hniav, kom ntseeg tau tias cov txheej txheem tsis sib xws thiab tsis muaj qhov to.
Cov menyuam txheej yog tsim rau thaj tsam loj ntawm cov kav dej tiaj tus, tuaj yeem txhim kho kev tsim kho, tab sis cov txheej txheej yog nyias nyias.
Cov menyuam txheej yog tsim rau thaj tsam loj ntawm cov kav dej tiaj tus, tuaj yeem txhim kho kev tsim kho, tab sis cov txheej txheej yog nyias nyias.

Hais txog peb

Peb lub tuam txhabyeej ib txwm ua raws li "'science thiab technology, zoo ua ntej, ncaj ncees thiab trustworthy, strictimplementation ntawm ls0900l:.2000 thoob ntiaj teb zoo tswj system.Our rigorous managementtechnologicdinnovation, zoo kev pab cuam cam khwb cia cov khoom zoo, yeej qhov kev lees paub ntawm feem coob ntawm cov neeg siv. .Raws li ib tug professionalastandard thiab muaj zog Suav Hoobkas, peb tuaj yeem muab cov qauv rau cov neeg siv khoom xav yuav, yog tias koj xav tau cov xim, thov hu rau peb.