Anticorrosive txheej kav

Tag nrho cov hlau lug uas yog siv nyob rau hauv kev tsim kho, yuav tsum tau nti tiv thaiv tiv thaiv tej yam ntawm ntau yam ib puag ncig yam tseem ceeb, tab sis ua ntej ntawm tag nrho cov, tiv thaiv corrosion. Yuav ua li cas cov ntaub yog siv rau qhov no? Cia peb piav ntxiv.

Txheej txheem cej luam

Corrosion yog ib tug physico-tshuaj txoj kev nyob rau hauv uas tus sis ntawm cov hlau nrog nws ib puag ncig. Thaum lub sij hawm no cov tshuaj tiv thaiv lub zog ntawm cov khoom sib txawv. Raws li ib tug ntawm xws li dab pib mus ua txhaum down.

Anti-xeb tiv thaiv coatings

Lawv yog siv rau lub ua ntsiab los mus tiv thaiv lawv puas tsuaj. Anticorrosive txheej muaj tuaj raws li tshwj xeeb xim tsev los yog enamels, muaj ob peb qhov tsav piv rau lwm yam ntaub ntawv muaj xws li cov khoom. Ntawm cov ntsiab zoo ntawm tej khoom yuav tsum tau muab sau tseg:

• Muaj peev xwm mus lis loj lug thiab cov ntsiab ntawm cov complex configuration.
• Tejzaum ntawm daim ntawv thov.
• Efficiency, muaj peev xwm rov qab los ntawm lub lag luam.
• Kuj pheej yig tus nqi nyob rau hauv kev sib piv nrog rau lwm cov ntaub ntawv.
• Ib lub sij hawm kom tau ib tug txawv xim ntawm lub txheej.

Cov feem ntau tebchaw

Anti-xeb txheej ntawm steel lug rau ntau raug tuam txhab uas muag yog lub ntsiab kev ua si. Ntau ntaub ntawv no yog siv rau lug thiab ua ntsiab. Ntawm lawv yog cov:

• Xim "Nerzhamet". Qhov no hniav tau ko ob huv si chaw thiab them nrog xeb.
• Xim "Nerzhalyuks". Qhov no muaj pes tsawg leeg muaj siab adhesion. Qhov no xim yog thov mus rau ib tug zoo nkauj thiab kev tiv thaiv nto kev kho mob ntawm cov hlau lead, duralumin, txhuas, tooj dag, titanium, tooj liab thiab zinc.
• Xim "Akvametallik" - aqueous acrylic muaj pes tsawg leeg.
• Sib tov sib xyaw "Bystromet" yog ib tug ceev-kom qhuav xim.
• Urethane txha hniav laus "Polimeron". Qhov no muaj pes tsawg leeg muaj siab durability.
• Xim "Tsikrol". Nws yog siv nyob rau hauv qhov kev ntawm lub ru tsev, kev hais ntawm galvanizing.
• Muaj pes tsawg leeg "Serebrol". Qhov no anti-xeb txheej rau hlau muaj nyiaj-dawb xim.
• Hniav txha hniav laus "Nerzhaplast". Nws yog ib tug ua kua yas.
• "Moloteks" - yog ib tug rauj xim.
• "Nerzhamet-tsuag" - yog muaj nyob rau hauv kaus poom.
• "Fosfogrunt" - siv rau tsis yog-ferrous thiab ferrous hlau.
• "Fosfomet" - yog ib tug phosphate-modifier, ib tug xeb converter.

Yuav ua li cas yog xeb tiv thaiv ntawm pipelines? Mus leg xws ntsiab yog siv:

• "Nerzhahim". Qhov no anticorrosion txheej piping yog sib resistant yas primer enamel.
• "Poliuretol" - roj-resistant thiab petrol polyurethane sib tov.
• "Epostat" - epoxy anticorrosive txheej sib resistant kav (primer txha hniav laus).
• "Tsinkonol" - tsinkonapolnennaya polyurethane primer.

Sib tov sib xyaw "Urizol"

Los ntawm txhais tau tias ntawm no muaj pes tsawg leeg yog nqa anticorrosive txheej kav thauj roj av khoom, heev crude thiab cov nkev. Qhov no sib tov yog ua fittings, crane Cheebtsam, fasteners. Muaj pes tsawg leeg yog siv rau kev tiv thaiv tiv thaiv atmospheric corrosion thiab underground pipelines tso, compressor, siv faib noj, headworks, depots, sib rau txoj kev npaj thiab cia ntawm raw cov ntaub ntawv, thiab lwm cov uas zoo sib xws lug, nws khiav hauj lwm kub txog li 60 degrees. Sib tov sib xyaw "Urizol" yog siv rau cov kev rho tawm ntawm pawg thiab lwm yam pob zeb ntsiab.

nta muaj pes tsawg leeg

Ua ntej ntawm tag nrho cov, nws yuav tsum tau muab sau tseg qhov yooj yim thiab yooj yim uas tso npe thov cov sib tov. Kev ua hauj lwm, nws yog feem ntau thov Cav Tshuab Pa Tshuaj. Txij li thaum lub tebchaw ntawm tivthaiv cov tshuaj tiv thaiv pib, thaum lub sij hawm uas tus tsim Polyurea. Tom ntej no, lub kaw lus kis los ntawm ib tug kua rau ib tug nonflowing gel, thiab tom qab lub khoom hauv lub xeev. Thaum ib tug insufficiently siab npaum li cas ntawm polymerization yuav tsim streaks. Lawv, nyob rau hauv lem, tiv thaiv qhov yuav tsum tau los tsim kom tau txheej tuab. Yog li rau ib ntev lub sij hawm yuav nyob tacky. Nws hinders qhov kev siv cov kev tswj ntsuam intermediate thickness thiab uniformity ntawm txheej. Thaum siab dhau heev lawm polymerization tus nqi tsawg adhesion ntawm muaj pes tsawg leeg rau saum npoo av. Nyob rau tib lub rwb thaiv tsev thickness yog tsis niaj hnub. Cov tshuaj tsuag rab phom ntawm kev ua hauj lwm nyob rau hauv cov ntaub ntawv no haum sai sai txhaws. Yuav kom tiv thaiv rau tej lub sijhawm yuav tsum tau xaiv ceev faj ntawm Cheebtsam ntawm muaj pes tsawg leeg thiab kev npaj ntawm ib tug sib tov nyob rau hauv raws li kev qhia.

ib co tswv yim pom zoo

Tag nrho cov Cheebtsam ntawm sib tov "Urizol" muaj cov khoom nyob rau hauv tshwj xeeb steel drums. Cia cov khoom siv yog nyob hauv tsev nyob rau hauv ib cov thawv ntim. Kev cai blending ntawm lub Cheebtsam yog nqa tawm nrog tshwj xeeb khoom - ib tug ob-tivthaiv tsuag system. Nws muab leej metering ntawm cov khoom xyaw rau hauv ib lub kev faib ua feem ntawm 1: 1. Qhov no koom tes qhov tsim nyog siab (yam tsawg kawg 150 atmospheres) thiab kub (60-80 DEG.). Txau yog nqa tawm nrog ib tug nyias txheej. Ua ntej yuav daim ntawv thov cov Cheebtsam yog pre-tov nyob rau hauv lub thawv. Ua li no, drums yob thiab co.

Qhov zoo ntawm cov muaj pes tsawg leeg

Yuav tsum vov "Urizol", tsis zoo li ntau lwm yam polymeric tebchaw, uas muaj ib qhov nqi ntawm volatile organic solvents, nws yog ib tug muaj pes tsawg leeg muaj ib puas feem pua cov khib nyiab. Polyurea tsis muaj plasticizers uas yog cov nquag mus lub sij hawm mus rau "exudation". Qhov no tus txheej txheem no nrog los ntawm ib tug gradual nce nyob rau hauv shrinkage thiab brittleness ntawm tus tiv thaiv zaj duab xis. Cov sib tov muaj xws li ib thiab thee ib yam feem ntau ntxiv rau txo tau tus nqi ntawm cov ntaub ntawv uas, tab sis muaj ib tug carcinogenic ntxim rau cov tib neeg lub cev. Nyob rau hauv tas li ntawd, raws li ib feem ntawm tej khoom fillers provoking puas ntawm siv cov khoom, nozzles nyob rau hauv cov tshuaj tsuag cov nroj tsuag thiab nws lag. Vim lub high school lub reactivity ntawm Polyurea Cheebtsam muaj ib theem siab tsis muaj polymerization catalysts. Nce kev ntseeg vim txheej kuj tsis tshua muaj rhiab heev rau kub thiab humidity hloov. Piv txwv li, ib tug zoo xws li cov nyhuv ntawm lwm yam polyurethane niam muaj ib tug ntau dua ib txwm tsim tau ib cov ntxeem tau zaj duab xis nyob rau hauv tus ntawm noo noo, uas, nyob rau hauv lem, yeej ib txwm tam sim no nyob rau hauv lub pib raw khoom Cheebtsam. Txawm li cas los, nws yuav tsum tau muab sau tseg tias Polyurea ntseeg ensured xwb los ceev faj ua raws cai nrog rau yuav tsum nyob rau hauv kev npaj ntawm ua lug thiab hais.

Daim ntawv thov ntawm anti-corrosive txheej

Cov kev kho mob muaj xws li ob peb kauj ruam. Ua ntej ntawm tag nrho cov, nws yuav tsum tau muab sau tseg tias daim ntawv thov ntawm anti-xeb txheej - ua hauj lwm yog heev yooj yim. Qhov kawg tshwm sim yuav nyob ntawm seb on ceev faj npaj thiab qhov zoo tshaj ntawm cov ntsiab siv pes tsawg leeg. Qhov loj tshaj teeb meem no feem ntau yog los tiv thaiv corrosion txheej ntawm lub qab ntawm lub tsev. Tom ntej no, peb xav txog lub ntsiab theem ntawm kev ua hauj lwm.

kev soj ntsuam

Ua ntej siv corrosion-resistant txheej ntawm cov hlau Siv, tsim nyog rau kev ntsuam xyuas lawv tus mob. Cov no yog leej twg los ua hauj lwm nyob rau hauv lub teb. Nyob rau hauv tus txheej txheem ntawm kev soj ntsuam yog txiav txim los ntawm cov neeg kawm ntawv ntawm kev puas tsuaj ntawm qhov chaw. Cov kev ntsuam xyuas no yog ua kev kwv yees. Ntau yam pom tau hais tias nyob rau hauv lub chav kawm ntawm no ua hauj lwm. Cov no muaj xws, nyob rau hauv particular, muaj xws li kub, uas sau lub lag luam ntawm chaw. Tsis tas li ntawd tus ntawm atmospheric phenomena thiab lwm yam corrosive xov xwm, lub hom phiaj ntawm lub ntsiab, hom ntawm cov khoom, uas yog siv nyob rau hauv lawv siv thiab ua. Raws li, nws yuav tsum xaiv los yog lwm yam los tiv thaiv corrosion hlau txheej. Mus leg loj lug feem ntau yuav tsum tau tshwj xeeb cov khoom.

nto npaj

Ua ntej siv cov anti-xeb txheej, lug los yog nto caij yuav tsum tau ntxuav. Nyob rau hauv kev npaj tuskheej paug ntau yam keeb kwm, lub qub xim. Purification ntawm cov kwv yuav ua tau hydroabrasive, hydrodynamic, abrasive blasting. Ces nws yog tsim nyog los degrease qhov chaw. Ua li no, hydrocarbon kuab tshuaj yuav siv. Thaum kawm tiav ntawm no theem ntawm kev tsim kho cheeb tsam no yog ntsuam xyuas dua.

ua

Anticorrosive txheej siv nyob rau hauv tej yam tej yam kev mob. Tam sim ntawd ua ntej kev kho mob muaj pes tsawg leeg yog npaj nyob rau hauv raws li lub tshuab. Raws li txoj cai, tus txheej txheem yog nqa tawm airless. Qhov no yog vim hais tias cov loj tshaj efficiency ntawm tus txheej txheem. Anticorrosive txheej yog nqa tawm nyob rau hauv ob peb khaubncaws sab nraud povtseg. Yog li ua ntej koj thov tom ntej no yav dhau los yuav tsum qhuav mus ua degrees (cov ntaub ntawv no yog muaj nyob rau hauv cov lus qhia kev siv rau).

Cov theem kawg

Tom qab ua tiav yuav anticorrosive txheej hlau ua kev soj ntsuam chaw los yog lub caij. tshwj xeeb cov khoom kuj yuav siv tau nyob rau hauv nrug muaj feem luj qhov zoo ntawm cov chaw ua hauj lwm. Cov tshwm sim ntawm qhov kev xeem los xyuas txog cov muaj los yog tsis tuaj kawm ntawv uas tsis xws luag los yog ntxhib chaw. Nws yog kwv yees li lub theem ntawm adhesion nrog tus nplaim muaj pes tsawg leeg, zoo txheej zog. Tsis tas li ntawd, nws yog ib qho tseem ceeb kom paub tias thiab qhuav zaj duab xis thickness. Lub optimum tus nqi yog hais tias yuav 240-300 microns. Raws li hais saum toj no, xws dab yog nqa tawm los ntawm cov kws tshwj xeeb. Tom qab tus txheej txheem, tus neeg muas zaub tau txais ib tug kwv. Txawm li cas los, nws kuj tau txais tag nrho cov tsim nyog cov ntaub ntawv.