Tuam Tshoj Tus Kho deg Tuam Txhab Phosphating tsim khoom zoo siab txais tos vist Hoobkas thiab tuam ntxhab

Tus neeg sawv cev tu deg Phosphating tsim khoom txais tos vist

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Tus neeg sawv cev rau kev kho mob yog hais txog kev siv tshuaj los kho cov nplaim ntawm cov khoom kom ua tiav lub hom phiaj tshwj xeeb, suav nrog tus neeg sawv cev rau saum npoo hlau kho, polytetrafluoroethylene deg kho tus neeg sawv cev thiab silica gel deg kho tus neeg sawv cev.
Tus sawv cev rau saum npoo hlau yog hais txog hlau saum npoo rau ntau yam kev kho mob ntawm cov tshuaj lom neeg ntawm cov npe dav dav. Kev kho cov hlau saum npoo suav nrog nrog kev ua kom tsis muaj paug, xeb tshem tawm, phosphating, tiv thaiv xeb thiab lwm yam kev kho mob ua ntej, yog rau cov txheej txheem hlau txheej txheem, hlau tiv thaiv technology los npaj, qhov zoo ntawm lub hauv paus kev kho mob ua ntej muaj qhov cuam tshuam zoo rau kev npaj tom qab thiab siv cov hlau.
PTFE deg kho tus neeg saib xyuas: Txhawm rau txhim kho qhov kev sib koom tes ntawm PTFE thiab nthuav cov ntawv thov ntau ntawm PTFE, saum npoo ntawm PTFE kho los ntawm PTFE deg kho tus neeg saib xyuas yog hydrophilic, yog li nws tuaj yeem sib raug zoo nrog cov kua nplaum.

Kev kho mob silicone roj hmab tshwj xeeb yog siv rau cov roj hmab silicone muab tshuaj txhuam ob npaug rau daim nplaum kho tus neeg sawv cev. Nws yog thov rau cov ntawv ntim roj hmab silicone qhov siab, thiab tom qab ntawd ces ntxiv cov nplaum rau cov nplaum, cov nplaum ob npaug tau muab zuaj kom khov rau daim ntawv silicone roj hmab. Nws yog dav siv hauv silicone roj hmab ko taw, silicone roj hmab roj hmab hnab yas thiab lwm yam rov qab ob daim kab xev, cim lag luam, ntawv lo thiab lwm yam affixed rau silicone roj hmab.

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Khoom Nthuav dav

Cov khoom lag luam

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Thov

Kho txheej txheem sib tshooj ntu ntawv xov hlau kho tus neeg sawv cev

Nws feem ntau suav nrog kev tu tus neeg sawv cev, tus neeg saib xyuas kev ua hauj lwm thiab cov tshuaj phosphating. Cov cuab yeej siv tshuaj kho saum npoo hlau tau muab faib ua kev kho tshuab (xws li sandblasting, polishing, dej siab yaug dej, thiab lwm yam) thiab kev kho tshuaj lom neeg ntawm ob pawg. Raws li rau txheej txheej, electroplating thiab lwm yam thev naus laus zis tau tsim nws tus kheej ua kev tiv thaiv kev tiv thaiv kev tiv thaiv hlau, cov tshuaj siv feem ntau tsis suav nrog cov khoom ntawm cov hlau kho cov khoom siv kho tau xa mus rau ntawm no.

Folding Tov Los Ntxuav

Cov hlau thiab lawv cov khoom lag luam feem ntau tuaj yeem ua nrog ntau cov hmoov av thiab tsis huv rau saum npoo av thaum ua haujlwm. Kev ntxuav tu yog ib feem tseem ceeb ntawm kev kho cov hlau saum npoo av. Txhawm rau kom degrease cov roj degreasing rau lub hom phiaj tseem ceeb ntawm tus neeg tu kom huv yog roj av, tus neeg saib xyuas kev huv, chlorinated hydrocarbon tu tus neeg saib xyuas, alkaline tu tus neeg sawv cev thiab tshuaj ntxuav tus neeg sawv cev uas muaj surfactants, thiab lwm yam.

Cov roj av ntxuav cov neeg sawv cev tu cev

Cov tseem ceeb yog cov roj av roj, roj av lossis roj teeb. Nws txoj haujlwm ua haujlwm yog feem ntau yog siv nws txoj kev ua kom zoo ntawm cov hlau hlau roj. Vim tias hom kuab tshuaj no muaj qhov nkag tau zoo thiab cov cuab yeej zoo, nws feem ntau siv rau kev txhuam kom tshem tawm cov roj ntau ntau hauv cov av. Tab sis nyob rau hauv kev siv tiag tiag, feem ntau ntxiv qee yam ntawm cov hluavtaws surfactant, kom nws muaj lub peev xwm los ntxuav cov dej-soluble av, thiab qee zaum kuj ntxiv me me ntawm cov tshuaj tua kab mob, thiaj li hais tias tom qab tu lub npoo tau lub sijhawm luv luv ntawm cov muaj peev xwm antirust. Cov. Qhov no roj av-ua haujlwm tu tus neeg saib xyuas tshwj xeeb, tshwj xeeb tshaj yog roj av, vim tias nplaim taws, kev siv hluav taws kev nyab xeeb kev ntsuas yuav tsum muaj txaus.

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Cov Lus Qhia Ceev

Chlorinated hydrocarbon xab npum

Cov kuab tshuaj uas siv feem ntau yog trichlorethylene thiab carbon tetrachloride. Cov kuab tshuaj no yog tus cwj pwm los ntawm lawv cov solubility muaj zog rau cov roj thiab cov rog, tab sis muaj cov ntsiab lus npau npau thiab muaj feem ntau tsis kub hnyiab. Ntxiv mus, tshwj xeeb cov cua sov yog qhov me thiab latent tshav kub ntawm evaporation yog me me, yog li qhov ntsuas kub nce thiab hws sai sai. Nws qhov ntom ntog feem ntau ntau dua li huab cua, thiab yog li muaj nyob hauv qis qis ntawm huab cua. Vim tias cov yam ntxwv no, nws tuaj yeem siv rau hauv vapor degreasing. Raws li cov kuab tshuaj no kim, lawv feem ntau rov qab siv dua lossis rov ua dua tshiab. Qee cov kuab tshuaj, xws li trichlorethylene, muaj qee yam tshuaj lom. Thaum lub teeb, huab cua thiab ya raws txheej, hydrogen chloride yog tsim los ntawm kev ua kom zoo, uas tuaj yeem yooj yim rau cov hlau tsis xeb; thaum sib xyaw nrog alkali muaj zog, nws tuaj yeem yooj yim ua rau tawg, thiab lwm yam Yuav tsum ceev faj thaum siv lawv.

Alkaline tu tus neeg sawv cev

Feem ntau sodium hydroxide, sodium carbonate, sodium silicate, sodium phosphate, thiab lwm yam., Yaj hauv dej los ua alkaline tu tus neeg sawv cev. Lawv cov ntsiab lus ntawm kev ua yog yuav tsum muaj peev xwm thiab cov roj hauv cov rog fatty glycerol ester saponification tshwm sim los ua thawj cov tshuaj ntxuav tes, kom cov roj ua dej-soluble thiab yaj kom tshem tawm. Ntawm lawv, sodium hydroxide thiab sodium carbonate muaj qhov ua haujlwm ntawm neutralizing acidic av. Sodium phosphate, sodium tripolyphosphate, sodium hexametaphosphate, thiab lwm yam. Ob qho tib si nrog rau cov nyhuv ua kom huv, tab sis kuj tseem yuav ua rau lub luag haujlwm ntawm kev xeb. Sodium silicate muaj qhov sib txawv, tawg, thiab lwm yam, kev ua kom huv si yog qhov zoo dua. Cov tshuaj ntxuav tes vim tias tus nqi qis, tsis muaj tshuaj lom, tsis haum thiab lwm yam, kev siv ntau dua. Tab sis hauv kev siv cov tshuaj ntxuav tes yuav tsum xyuam xim rau cov khoom siv ntawm cov hlau kom huv, xaiv cov pH tsim nyog ntawm cov tshuaj alkali. Ntxiv rau, thaum siv cov tshuaj ntxuav tes alkaline, surfactants feem ntau ntxiv rau tsim cov qauv sib xyaw kom muaj txiaj ntsig kev txhim kho kev ua kom huv.

Tus tuav cov tshuaj tiv thaiv kab mob

Nws yog chav kawm ntawm cov tshuaj lom neeg tso rau ntxiv rau ntau yam xov xwm xws li dej, roj lossis roj nyob rau cov hom phiaj tiv thaiv xeb tiv thaiv. Nws tuaj yeem raug faib ua tus dej-soluble antirust tus neeg sawv cev, roj-soluble antirust tus neeg sawv cev, emulsified antirust tus neeg sawv cev thiab roj theem antirust tus neeg sawv cev.

Dej-soluble antirust tus neeg sawv cev

Lawv tuaj yeem ua kom yaj nyob hauv dej los tsim cov tshuaj tov, thiab cov hlau tau kho nrog cov kua dej no kom tiv thaiv kom tsis txhob xeb thiab xeb. Lawv txoj kev los tiv thaiv xeb tuaj yeem muab faib ua peb pawg. (1) Cov hlau thiab tus neeg sawv cev cov neeg ua haujlwm tiv thaiv ua cov insoluble thiab ntuag oxide zaj duab xis, yog li tiv thaiv anodic yaj ntawm cov hlau lossis txhawb qhov passivation ntawm cov hlau, yog li inhibiting qhov corrosion ntawm cov hlau. Cov xeb inhibitors tseem muaj npe hu ua passivating agents, xws li sodium nitrite thiab potassium dichromate. Thaum siv lawv, ib qho nyiaj txaus yuav tsum xyuas kom meej. Thaum qhov ntau npaum li cas tsis txaus, ua tiav oxide zaj duab xis tsis tuaj yeem tsim, thiab ntawm cov hlau me me tsis pom qhov chaw, qhov ntom ntom ntawm xeb tam sim no yuav nce ntxiv, uas yuav yooj yim ua rau xeb hauv zos. Cov kav hlau thiab cov ua yeeb yaj kiab ua rau cov kua tshuaj tsis haum, yog li cais cov hlau los ntawm qhov nruab nrab tsis huv thiab tiv thaiv nws kom tsis txhob xeb. Piv txwv li: qee qhov ntawm phosphate tuaj yeem ua haujlwm nrog cov hlau los tsim cov hlau tsis muaj ntsev. qee qhov silicate tuaj yeem thiab cov hlau, txhuas lub luag haujlwm los tsim cov insoluble silicate thiab hais txog. (3) Cov kav hlau thiab cov neeg ua yeeb yaj kiab ua rau thaj chaw tsis yooj yim, uas npog cov npoo hlau thiab tiv thaiv cov hlau tsis xeb. Piv txwv li, benzotriazole thiab tooj liab tuaj yeem tsim chelate Cu (C6H4N3) 2, uas yog cov dej hauv dej tsis dhau los yog roj, yog li nws tuaj yeem tiv thaiv tooj liab.

Roj-soluble antirust tus neeg sawv cev

Kuj tseem hu ua roj-soluble corrosion inhibitors. Lawv feem ntau yog cov pa roj carbon ntev cov saw organic sib txuas nrog pawg sib xyaw. Cov ncov qaumteb qabteb pawg nyob rau hauv lawv cov lwg me me tau tsim tawm ze rau ntawm cov xov hlau los ntawm kev them nqi; cov pawg tsis muaj hom ntawm cov pa roj carbon ntev ntev cov roj carbon hydrocarbons tau ncaj qha rau sab nraud ntawm cov hlau, thiab tuaj yeem sib xyaw nrog roj, kom tus neeg sawv cev tiv thaiv kab mob cov pa roj carbon monoxide muaj txheej txheem ncaj qha rau ntawm cov hlau, ua ib qho kev tiv thaiv adsorptive zaj duab xis los tiv thaiv hlau los ntawm kev yaig ntawm dej thiab oxygen. Raws li nws pawg polar, nws tuaj yeem faib ua tsib yam: ① sulfonate, tshuaj lom neeg cov tshuaj yog (R-SO3. Feem ntau siv yog cov hlau alkali lossis alkaline ntiaj teb hlau ntsev ntawm cov roj av sulfonic acid, xws li barium roj av sulfonate, sodium roj av sulfonate. , barium dinonylnaphthalene sulfonate thiab lwm yam. Carboxylic acids thiab lawv cov xab npum, tshuaj lom cov tshuaj rau R-COOH thiab (R-COO) nMm. li xeb inhibitor carboxylic acids yog tsiaj thiab zaub roj ntawm cov roj acids, xws li stearic acid, oleic acid, lwm yam, lwm cov oxyfuel, alkenesuccinic acid thiab lwm cov kua hluavtaws carboxylic kua qaub, nrog rau cov khoom siv roj av xws li naphthenic acid. Lub polarity ntawm cov hlau xab npum ntawm carboxylic acid yog qhov muaj zog tshaj qhov sib xyaw carboxylic acid, yog li cov txiaj ntsig antirust zoo dua, tab sis cov roj solubility muaj tsawg dua.Thiab nws yuav dej los ntawm dej, thiab nws yuav tsis ruaj khov thaum tawg rau hauv roj, qee zaum nws yog los ntawm cov roj. ③Ester, tshuaj siv tshuaj feem ntau yog RCOOR ′. Lanolin thiab beesw taus yog ntuj ester tebchaw, thiab tseem yog hlau zoo antirust sealing cov ntaub ntawv. Esters ntawm polyalcohols muaj cov tshuaj tua kab mob zoo, xws li pentaerythrityl monooleate thiab sorbitan monooleate (Span-80), uas yog cov hlau zoo antirust tus neeg sawv cev thiab tau siv dav. (4) Amines, cov qauv mis dav dav yog R-NH2, xws li octadecylamine, thiab lwm yam. Txawm li cas los xij, amines yooj yim tau siv dav hauv cov roj ntxhia. Txawm li cas los xij, amines yooj yim tsis zoo txaus los tiv thaiv xeb hauv cov roj ntxhia, tab sis amine ntsev lossis lwm cov tebchaw tsim los ntawm amines thiab organic acids, xws li octadecylamine oleate, cyclohexylamine stearate, thiab lwm yam. (5) cov leej faj, nitrogen heterocyclic tebchaw, cov kab sib xyaw heterocyclic uas muaj cov leej faj lossis nitrogen thiab qee yam kev ua kom zoo nkauj, kuj tseem zoo dua cov hlau xeb inhibitors, xws li imidazoline alkyl phosphate ntsev, benzotriazole thiab α-mercaptobenzothiazole thiab lwm yam. Imidazoline siv rau kev tiv thaiv tsis muaj hlau thiab tsis muaj hlau tsis huv, thaum benzotriazole tsuas yog siv rau tooj liab thiab lwm yam tsis muaj hlau los tiv thaiv xeb.

Emulsified antirust tus neeg sawv cev

Muaj ob hom emulsified antirust tus neeg sawv cev: ib qho yog kev ncua ntawm cov roj tawm hauv dej, piv txwv li cov roj-hauv-dej emulsion, uas feem ntau yog xim dawb; lwm qhov yog kev ncua ntawm cov dej hauv cov roj, piv txwv li cov roj-hauv-dej emulsion, uas feem ntau yog pob tshab lossis translucent kua. Cov emulsified antirust tus neeg sawv cev tsis tau tsuas yog ua haujlwm antirust, tab sis kuj muaj kev ua kom zoo thiab txias, yog li nws feem ntau siv cov roj nplua nyeem rau kev txiav cov hlau. Yav dhau los, emulsifier hauv emulsified antirust tus neeg sawv cev yog ib txwm siv hauv cov roj zaub thiab cov rog (xws li cov roj zaub, roj castor, thiab lwm yam) los ntawm cov txheej txheem saponification, thiab nyob rau xyoo pua 21st, triethanolamine oleate, sulfonated roj lossis non-ionic surfactant. yog siv. Txhawm rau txhawm rau txhim kho qhov kev ua kom tsis muaj xeb, thaum sib xyaw ua emulsion nrog dej, qee qhov nqi ntawm cov dej-tiv thaiv cov dej tua kab mob, xws li sodium nitrite thiab sodium carbonate, sodium nitrite thiab triethanolamine tuaj yeem txuas ntxiv. Tsis tas li ntawd, txhawm rau tiv thaiv thiab maj mam ua kom cov roj ntsha tawg tsis zoo, cov tshuaj tua kab mob me me, xws li phenol, pentachlorophenol, sodium benzoate, thiab lwm yam tuaj yeem ntxiv.

Hlauv cov tshuaj phosphate

Phosphate yog txoj hauv kev tseem ceeb ntawm kev tiv thaiv xeb tiv thaiv cov khoom siv hlau, lub hom phiaj yog los tiv thaiv xeb tiv thaiv cov hlau, rau kev pleev xim ua ntej ua ntej, txhawm rau txhim kho lub nplaum ntawm txheej txheej thiab tiv thaiv corrosion thiab hauv cov hlau ua los ntawm kev txhuam txo thiab lubrication. Phosphating siv feem ntau pretreatment technology, lub hauv paus ntsiab lus yuav tsum yog tshuaj lom neeg hloov kho yeeb yaj kiab. Cov kev siv engineering yog feem ntau steel qhov ntawm lub phosphate nto, tab sis cov hlau tsis muaj qhov tsis xws li txhuas, zinc qhov chaw kuj tuaj yeem thov phosphate.