Yuav ua li cas degrease qhov chaw? Nws pib degreaser

2024 Tus sau: Erin Ralphs | [email protected]. Kawg hloov kho: 2024-02-19 16:11

Ib ntus, yuav tsum tau so cov roj stain los ntawm qhov chaw ntawm lub cev lub tsheb. Hauv nroog, qhov no tsuas yog ua tau ntawm lub tsheb ntxuav. Txawm li cas los xij, feem ntau yuav tsum tau degreasing thaum pleev xim lub tsheb. Nws yog dab tsi? Ua tsaug rau cov txheej txheem no, ib qho adhesion zoo ntawm lub cev nrog cov xim pleev xim yog ua kom tiav. Dab tsi thiab yuav ua li cas degrease yuav tsum tau txiav txim siab txawm tias ua ntej pib ua haujlwm. Nws yog tsim nyog xav tias cov pa txhais tau tias rau cov hom phiaj no tsis yog ib txwm haum. Nyob rau hauv tas li ntawd, thaum ua nto nrog compositions, nws yog tsim nyog los coj mus rau hauv tus account ib co nuances. Yog li yuav ua li cas degrease qhov chaw?

nws yog dab tsi

Ua ntej teb cov lus nug ntawm yuav ua li cas degrease qhov chaw ua ntej pleev xim, nws tsim nyog nrhiav seb nws yog dab tsi. Raws li txoj cai, hlau yog kho nrog xws li cov khoom sib xyaw nkaus xwb kom ntseeg tau tias ib txwm adhesion ntawm cov khoom siv los ntawm lub cev thiab cov xim pleev xim. Qee zaum, qhov no tsuas yog tsim nyog. Nyob rau hauv rooj plaub uas lub tsheb yog repainted kiag li, lub cev yuav tsum tau them nrog ib tug txheej ntawm ib tug tshwj xeeb primer. Degreasing tseem yuav tsum tau ua kom zoo adhesion.

Adhesion, qhov tseeb, yogadhesion ntawm ib yam khoom mus rau lwm tus. Hauv qhov no, txhua yam tshwm sim ntawm qib molecular. Yog tias muaj cov roj txheej ntawm cov hlau los yog primer thiab cov xim pleev xim, ces lawv cov adhesion yuav tsis txaus. Nyob rau tib lub sijhawm, qhov no tuaj yeem cuam tshuam rau cov tsos ntawm lub tsheb. Los ntawm ib qho kev vibration, cov xim pleev xim yuav maj mam poob.

Dab tsi ua rau adhesion

Tsheb degreaser tshem tawm ntau dua li roj. Av av, ntau yam organics, oily tshuaj ntawm lub hauv paus chiv keeb, thiab hais txog - tag nrho cov no txo cov adhesion ntawm cov ntaub ntawv nyob rau hauv molecular theem. Tsis tas li ntawd, qhov adhesion yog cuam tshuam los ntawm oxide nyias zaj duab xis. Nws zoo li me ntsis txheej ntawm xeb ntawm qhov chaw ntawm lub cev. Zaj duab xis no kuj pom zoo kom muab tshem tawm. Yog tias nws tsis tuaj yeem tshem tawm cov quav hniav kom tiav, ces koj yuav tsum tau tig nws mus rau hauv cov tshuaj ruaj khov uas tsis cuam tshuam nrog cov adhesion ntawm cov hlau thiab cov xim pleev xim rau ntawm qib molecular.

Yuav ua li cas degrease qhov chaw ua ntej gluing lossis pleev xim

Feem ntau, Ntsuj Plig Dawb Huv yog siv los ua lub cev. Txawm li cas los xij, ntau tus neeg tsis meej pem qhov kev kho no nrog cov roj av zoo tib yam lossis cov roj diesel, vim lawv yuav luag tib yam tsis hnov tsw. Qhov sib txawv ntawm cov tshuaj no tsawg heev. Ob lub tebchaw yog sib xyaw ntawm carbohydrates. Cov kua zoo sib xws yog tsim los ntawm kev faib cov roj feem.

Qee phau ntawv qhia hais tias "White Spirit" yog ib lub teeb ntawm kerosene. Nws yog ib nqi sau cia hais tias cov khoom dissolves zoo greasy, bituminous, roj hmab stains, raws li zoo raws li mastic. ATtsis zoo li roj av, "White Spirit" yog yooj yim dua los ntxuav lub tsheb nrog dej zoo tib yam. Ob yam tshuaj yog tsim nyog rau degreasing nto. Nyob rau tib lub sijhawm, "White Spirit" yog lub teeb sib xyaw uas ib nrab evaporates, thiab cov khoom seem ntawm cov khoom tsis ua mob rau txheej tom qab pleev xim.

Kuv yuav tsum siv roj av

Degreasing nto yog txheej txheem yooj yim uas tuaj yeem ua tau hauv tsev. Qhov tseem ceeb tshaj plaws yog xaiv cov cuab yeej zoo. Qee lub tsheb ntxuav tsheb ua haujlwm siv roj av, vim lawv siv cov cuab yeej tshwj xeeb los ua lub cev lub tsheb. Qhov no tso cai rau koj kom tshem tawm tag nrho cov khoom ntawm qhov chaw, tsis muaj ntxhiab tsw. Yog hais tias degreasing lub tsheb yog nqa tawm nyob rau hauv lub chaw nres tsheb, ces rau cov hom phiaj no nws yog pom zoo kom siv Dawb Ntsuj Plig los yog cov khoom raws li nws. Nws yog qhov zoo tshaj los yuav cov tebchaw uas tau hydrotreated. Qhov ntsuas no yuav tsum tau them nyiaj tshwj xeeb, tshwj xeeb tshaj yog tias cov khoom tsim tawm hauv tsev.

Yuav tsis pom zoo

Dab tsi tuaj yeem degrease qhov chaw, thiab dab tsi yuav tsum tsis txhob siv? Ntau tus tsis pom zoo kom siv cov roj diesel, roj av thiab roj diesel. Ntawm chav kawm, lawv degrease zoo. Txawm li cas los xij, cov tshuaj no tuaj yeem tsim kev puas tsuaj.

Ceev faj thaum siv cov kuab tshuaj suav nrog xws li 645, 646 thiab lwm yam, nrog rau acetone. Cov tshuaj no yooj yim yaj tsis tau tsuas yog organics, av thiab roj, tab sis kuj pleev xim rau. Nws raug tso cai kho lub cev nrog acetone thiab cov kuab tshuaj tsuas yog ua ntej muab tshuaj.

YogYog tias tsis muaj cov khoom tshwj xeeb, ces koj tuaj yeem siv cov kua txiv hmab txiv ntoo sib xyaw nrog ob peb tee ntawm cov tshuaj ntxuav tais diav.

Dab tsi yog siv hauv lub hoobkas

Hauv lub Hoobkas, cov tshuaj sodium carbonate (35-50 g / l) lossis sodium hydroxide tov (90-150 g / l) yog siv. Xws li lub degreaser rau tsheb yuav tsum tau siv nrog ceev faj heev. Ua ntej pib ua haujlwm, nws raug nquahu kom hnav hnab looj tes, vim tias sodium nws tus kheej yog caustic heev. Kev daws tsis tau tsuas yog tshem tawm cov rog ntawm lub cev, tab sis kuj ua rau cov tawv nqaij ntawm ob txhais tes.

Tsis tas li, cov tshuaj alkaline tsis tuaj yeem tshem tawm cov roj stains thiab cov roj thickened. Xws li cov tshuaj muaj cov tshuaj tsis zoo. Nws raug nquahu kom siv cov alkali tsuas yog tom qab nws tau rhaub rau 90 ° C. Koj tsis tuaj yeem coj nws mus rau ib qho boil. Nws yog ib qho tsim nyog sau cia tias cov tshuaj acidic tshem tawm cov oxide zaj duab xis zoo, tab sis tsis txhob ntxuav cov roj kom zoo. Yog li dab tsi yog txoj hauv kev zoo tshaj plaws los degrease qhov chaw ntawm lub cev?

Trichlorethylene

Qee zaum, trichlorethylene lossis tshuaj uas muaj nws yog siv los ntxuav lub cev. Txawm li cas los xij, cov cuab yeej no muaj lawv qhov tsis zoo. Lawv tsis tuaj yeem siv rau aluminium. Hauv kev tsim khoom, trichlorethylene tsuas yog siv rau degreasing ferrous hlau.

tawg tuaj yeem tshwm sim ntawm kev sib cuag nrog txhuas. Nws tseem tsis tau pom zoo kom sib tov trichlorethylene nrog dej, vim tias cov nplaum nplaum thiab tawv-rau-muab tshem tawm pib tsim. Ntau zausTag nrho cov khoom siv tsis yog hauv daim ntawv ntshiab, tab sis nyob rau hauv daim ntawv ntawm emulsions. Yuav ua li cas degrease qhov chaw yuav tsum tau txiav txim siab ua ntej kom tsis txhob ua rau lub cev lub tsheb puas lawm yav tom ntej.

ntxuav ntau kauj ruam

Yog tias koj tsis paub yuav ua li cas thiab yuav ua li cas degrease qhov chaw, koj tuaj yeem tiv tauj cov kws tshaj lij. Hauv lub Hoobkas, kev ntxuav yog nqa tawm hauv ob peb theem. Hauv qhov no, degreasing tshwm sim ntawm thawj theem. Pib nrog, qhov saum npoo ntawm lub cev raug kho nrog Ntsuj Plig Dawb Huv. Yog hais tias cov hlau yog corroded nyob rau hauv tej qhov chaw, nws yog pom zoo kom ntxuav nws nrog ib tug sib tov ntawm cawv thiab phosphoric acid. Hauv qhov no, nws tsim nyog saib qhov feem pua ntawm cov tshuaj:

1. Phosphoric acid + dej: 1 txog 5. Cov tshuaj yuav tsum nyob nruab nrab ntawm 65 thiab 75%.
2. Isopropyl cawv - 13 txog 18%.
3. Ethyl cawv - los ntawm 10 mus rau 14%.
4. Emulsifier OP-7 - 0.5%.
5. YNitrobenzene - 0.1%.

Nws nyuaj heev los ua cov kev daws teeb meem hauv tsev. Txawm li cas los xij, cov thev naus laus zis niaj hnub tso cai rau ntau lub tuam txhab tsim cov chav ua kom huv. Lawv tuaj yeem siv tsis muaj teeb meem hauv tsev. Cov tshuaj no yog hu ua anti-silicones. Nws tsuas yog tsis yooj yim sua kom muab cov lus qhia dav dav rau lawv siv, txij li txhua cov kua muaj nws cov khoom. Nws yog ib nqi sau cia hais tias ntau anti-silicones yog ib tug sib tov ntawm ob peb organic solvents, uas muaj tsawg toxicity. Lawv tuaj yeem siv tau yam tsis muaj kev ntshai ntawm kev puas tsuaj rau kev noj qab haus huv. Txawm li cas los xij, los ntawm qhov chaw ntawm lub cev ua ntej pleev xim, nws raug pom zootshem tawm lawv cov khoom seem.

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Tam sim no koj paub yuav ua li cas degrease qhov chaw. Ua ntej yuav cov cuab yeej tshwj xeeb, nws tsim nyog xav txog qee qhov nuances. Txawm hais tias siv cov tshuaj tsis muaj kev phom sij, nws raug nquahu kom hnav hnab looj tes thiab daim npog qhov ncauj.

Txhawm rau ua tiav cov txheej txheem degreasing, nws tsim nyog siv ob daim ntaub so: ib qho yuav tsum tau siv cov muaj pes tsawg leeg, thiab qhov thib ob kom tshem tawm cov seem.

Kev ua haujlwm yuav tsum tau ua tom qab xuab zeb thiab tsuas yog ua ntej pleev xim. Cov khoom ua los ntawm txhuas yuav tsum tau muab kev saib xyuas tshwj xeeb. Tom qab tag nrho, tsis yog txhua yam khoom muaj kev nyab xeeb rau cov hlau no. Nws tsis pom zoo kom siv cov xim muaj pes tsawg leeg tam sim ntawd mus rau qhov chaw degreased, txij li lub cev yuav tsum sov mus rau chav sov.