Cov kauj ruam ntxaws ntxaws ntawm yuav ua li cas tshem tawm cov xim daj daj ntawm marble

Lub ntuj marble, uas yog tsim los ntawm carbonatite, tsis yog acid resistant. Lub marble hloov liab feem ntau vim hais tias cov ferrous sulfate nyob rau hauv lub pob zeb reacts nrog oxygen nyob rau hauv cov huab cua los tsim hlau oxide, uas yog liab. Lub yellowing ntawm marble feem ntau yog vim yog infiltration ntawm sodium peroxide thiab sulfur rau hauv marble.

Muaj ntau ntau hom tshuaj siv rau pob zeb xim pob zeb, xeb me ntsis thiab xim daj ntawm lub khw:

1. Tus neeg sawv cev ntawm hydrogen peroxide

2. Tus neeg sawv cev ntawm hypochlorous acid

3. Hydrogen sulfuric acid composite tus neeg sawv cev

4. Inorganic acid composite agent

5. Txiv qaub acid compound tus neeg sawv cev (tsuas yog tshem tawm cov xeb xeb)

Cov tshuaj ntxuav pob zeb muaj xws li: tus neeg saib xyuas degreasing, degreasing paste, nruab nrab tu tus neeg saib xyuas, dej qhov chaw tshem tawm, thiab lwm yam.

Derusting cov kauj ruam:

1, Pob zeb nrhiav pom

(1). Xyuas seb lub pob zeb puas nqus dej. Yog tias lub pob zeb muaj kev tiv thaiv thiab tsis tuaj yeem nqus dej, sim nws nrog cawv kom pom tias nws nqus dej cawv. Yog tias nws tsis nqus dej thiab cawv, lub pob zeb pem hauv ntej tiv thaiv tau teeb tsa feem ntau ntawm cov khoom nkag. Nyob rau lub sijhawm no, koj tuaj yeem xaiv xa cov khoom pov tseg daj, xws li tshuaj pleev kom tshem tawm. Yog tias lub pob zeb tuaj yeem nqus dej cawv, koj tuaj yeem siv cov tshuaj ntxuav dej tam sim ntawd tom qab infiltrating lub pob zeb nrog cawv.

(2). Tsim tus nqi pH ntawm cov tshuaj ntxuav tes. Yog tias tus nqi pH tsawg dua 5, sim tus neeg sawv cev ntawm marble. Yog tias muaj corrosion, nws tsis tuaj yeem siv rau marble derusting

(3). Cov tshuaj xaiv tau raug kuaj ntawm marble chloasma, thiab cov tshuaj uas txo qis thiab tshem tawm tau raug xaiv.

2, Cov txheej txheem tshem tawm daj

Tom qab xaiv cov tshuaj, siv cov ntaub so ntswg nqus ntawm cov kab mob chloasma kom tshem tawm, tom qab ntawd muab cov tshuaj sib npaug ntawm daim ntawv phuam, coj mus rhaub nws maj mam nrog cov txhuam hniav yas los lim tawm cov npuas, kom cov ntaub so ntswg puv ntawm cov tshuaj. nruj nreem thov rau lub pob zeb nto. Tom qab ntawd npog cov yeeb yaj kiab tshiab rau ntawm daim ntawv phuam, moisturize ntau tshaj li ib nrab teev, thiab cia cov tshuaj nkag mus rau hauv pob zeb. tuaj yeem tiv nrog cov tshuaj daj daj los tsim cov tshuaj lom neeg. Tom qab ib nrab ib teev, tshem tawm cov yeeb yaj kiab preservative thiab qhuav hauv qhov ntxoov ntxoo kom txog thaum daim ntawv phuam qhuav tag.

Xyuas cov nyhuv yellowing. Yog tias nws zoo tab sis tsis zoo, rov ua cov txheej txheem yellowing saum toj no. Yog tias nws tseem tsis zoo tom qab ntau tshaj peb zaug, hloov nws nrog lwm tus neeg ua haujlwm rau kev sim.

3, Daim ntawv thov dej huv

Nws yog ib qho tseem ceeb uas yuav tsum tau ua kom tiav tom qab ncav cuag ntawm kev tshem tawm qhov muag daj; Kev thov nrog dej huv yog siv ntau txheej ntawm cov ntaub so ntswg nrog dej huv. Cov txheej txheem yog tib yam li kev thov tus neeg sawv cev. Lub hom phiaj ntawm qhov no yog tshem tawm cov residual agent thiab cov av tom qab cov tshuaj tiv thaiv los ntawm lub pob zeb.

4, Ua haujlwm zoo hauv kev tiv thaiv pob zeb

Tom qab ua tiav txoj haujlwm tshem tawm daj saum toj no, txoj haujlwm tiv thaiv kev rov tshwm sim tsis tiav. Lub pob zeb tom qab tshem tawm cov chloasma yuav tsum tau qhuav kom huv si thiab tiv thaiv kom tsis txhob pob zeb los ntawm yellowing dua tom qab nqus dej.