Kedu ihe kpatara na ngwọta maka yellowing nke putty ntụ ntụ?

Ihe ndị bụ isi maka ịcha odo nke elu nke mmiri na-eguzogide mmiri Mgbe nchọpụta ihe onwunwe gasịrị, ọnụ ọgụgụ dị ukwuu nke nnwale na omume injinia, onye edemede ahụ kwenyere na isi ihe ndị na-eme ka a na-acha odo odo nke elu nke mmiri na-eguzogide mmiri bụ ndị a. :

Reason 1. Calcium hydroxide (ash calcium powder) azụ na alkali na-akpata yellowing Calcium hydroxide, molecular formula Ca (OH) 2, ikwu molecular arọ 74, agbaze ebe 5220, pH uru ≥ 12, ike alkaline, ọcha ezi ntụ ntụ, ubé Soluble na mmiri, soluble na acid, glycerin, sugar, ammonium chloride, soluble na acid iji tọhapụ nke ukwuu. nke okpomọkụ, ikwu njupụta bụ 2.24, ya doro anya aqueous ngwọta bụ a colorless, odorless alkaline transperent mmiri mmiri, nke nta nke nta absorbed, calcium oxide na-aghọ calcium carbonate. Calcium hydroxide bụ alkaline siri ike moderately, alkalinity ya na corrosiveness na-esighi ike karịa sodium hydroxide, calcium hydroxide na mmiri mmiri ngwọta ya na-emebi akpụkpọ mmadụ, uwe, wdg, ma ọ bụghị egbu egbu, na ekwesịghị ịbụ kpọmkwem kọntaktị na akpụkpọ maka a. Otee aka.

Calcium hydroxide bụ ihe na-arụ ọrụ na putty na-eguzogide mmiri iji mepụta ihe nkiri siri ike na calcium carbonate dị arọ na ntụ ntụ roba dị elu. N'ihi alkalinity siri ike na ọdịnaya alkali dị elu, akụkụ nke mmiri dị na putty ga-etinye uche na mgbidi mgbidi n'oge a na-ewu ya. Otu ike alkaline ciment ngwa agha ala, ma ọ bụ ájá-wayo ala (wayo, ájá, a obere ego nke ciment) na-etinye obi gị dum, dị ka putty oyi akwa nke nta nke nta dries na mmiri volatilizes, na alkaline bekee ke grassroots ngwa agha na putty na ụfọdụ n'ime ha. Ha anaghị akwụsi ike mgbe hydrolysis ihe ndị dị na putty (dị ka ígwè ferrous, ferric iron, wdg) ga-esi na obere oghere nke oghere ahụ pụta. putty, na mmeghachi omume kemịkalụ ga-eme mgbe ha zutere ikuku, na-eme ka elu nke putty gbanwee odo odo.

Reason 2. Volatile organic chemical gas. Dị ka carbon monoxide (CO), sulfur dioxide (SO2), benzene, toluene, xylene, formaldehyde, pyrotechnics, wdg N'ọnọdụ ụfọdụ nke injinia, e nwere ọnọdụ ebe putty elu ghọrọ odo n'ihi iji agba na a. ọkụ ka ọ na-ekpo ọkụ n'ime ụlọ ebe a ka kpụchara putty na-eguzogide mmiri, ma ọ bụ ọbụna na-esure ihe nsure ọkụ n'ime ụlọ ahụ, na ọtụtụ ndị na-aṅụ sịga n'otu oge.

Ihe kpatara 3. Mmetụta nke ihu igwe na gburugburu ebe obibi. Na mpaghara ugwu, n'oge oge mgbanwe oge, elu nke putty na-atụgharịkarị edo edo site na Nọvemba ruo Mee nke afọ na-esote, mana nke a bụ naanị ihe dịpụrụ adịpụ.

Ihe kpatara 4. Ọnọdụ ikuku na ihicha adịghị mma. Mgbidi ahụ dị mmiri. Mgbe ikpochapu mmiri na-eguzogide mmiri, ọ bụrụ na oyi akwa adịghị akọrọ kpamkpam, imechi ọnụ ụzọ na windo ruo ogologo oge ga-eme ka elu nke putty gbanwee odo odo.

Reason 5. Grassroots mbipụta. N'okpuru mgbidi ochie bụ mgbidi aja-acha ntụ ntụ (lime, ájá, obere simenti, na ụfọdụ agwakọta na gypsum). Onyenweanyị, ma a ka nwere ọtụtụ ebe a na-etinye mgbidi na wayo na plasta. Ọtụtụ n'ime ihe mgbidi bụ alkaline. Mgbe putty metụrụ mgbidi ahụ, a ga-etinye mmiri ụfọdụ na mgbidi ahụ. Mgbe hydrolysis na oxidation gasịrị, ụfọdụ ihe, dị ka alkali na ígwè, ga-esi na obere oghere nke mgbidi pụta. Mmeghachi omume kemịkalụ na-eme, na-eme ka elu nke putty gbanwee odo odo.

Ihe kpatara 6. Ihe ndị ọzọ. Na mgbakwunye na ihe ndị a nwere ike ime n'elu, a ga-enwe ihe ndị ọzọ, nke dị mkpa ka a nyochaa ọzọ.

Ngwọta iji gbochie putty na-eguzogide mmiri ịlaghachi na edo edo:

Usoro 1. Jiri ihe na-eme ka ọ bụrụ ihe na-ekpuchi azụ azụ.

Usoro 2. Maka ihe ịchọ mma mgbidi ochie, a na-ehichapụ ihe ndị na-adịghị ahụkebe nkịtị nke na-adịghị egbochi mmiri ma dị mfe ịkụcha ya. Tupu iji putty mmiri na-eguzogide mmiri dị elu, a ga-ebu ụzọ mee ọgwụgwọ teknụzụ. Usoro a bụ: buru ụzọ fesa mmiri ka mmiri dị n'elu mgbidi ahụ, ma jiri spatula hichaa ya Wepu ihe ochie ochie na agba (ruo mgbe ala siri ike) ma kpochaa ya. Mgbe mgbidi ahụ kpochara kpamkpam, kpochaa ya ọzọ ma tinye onye na-akwado ya iji kpuchie ọgwụgwọ nkwado ahụ, wee kpochaa putty na-eguzogide mmiri. edo edo.

Usoro 3. Zere gas kemịkalụ na-agbanwe agbanwe na ọkụ ọkụ. N'oge usoro ihe owuwu ahụ, karịsịa mgbe putty na-adịghị akọrọ kpamkpam mgbe e wuchara ya, anaghị aṅụ sịga ma ọ bụ gbanye ọkụ n'ime ụlọ maka ikpo ọkụ, ma ejikwala kemịkal na-agbanwe agbanwe dị ka agba na ihe ndị na-esi ísì ụtọ n'ime ụlọ n'ime ọnwa atọ.

Usoro 4. Debe saịtị ahụ ka ventilashị wee kpọọ nkụ. Tupu putty na-eguzogide mmiri na-ekpo ọkụ kpamkpam, emechila ọnụ ụzọ na windo nke ọma, ma mepee windo maka ventilashion, nke mere na oyi akwa putty nwere ike ịkpọ nkụ ozugbo enwere ike.

Usoro 5. Enwere ike itinye ego kwesịrị ekwesị nke 462 ultramarine modified na putty na-eguzogide mmiri. Usoro a kapịrị ọnụ: Dị ka 462 gbanwetụrụ ultramarine: putty powder = 0.1: 1000, buru ụzọ tinye ultramarine n'ime mmiri ụfọdụ, kpalie igbari na nzacha, tinye ultramarine aqueous solution na mmiri n'ime akpa ahụ, wee pịa ya. ngụkọta mmiri: putty ntụ ntụ = 0.5: 1 arọ ruru, tinye putty ntụ ntụ n'ime akpa ahụ, kpalie ya na igwekota ka ọ bụrụ creamy mmiri ara ehi, wee were ya. Nnwale ahụ na-egosi na ịgbakwụnye ụfọdụ nke ultramarine blue nwere ike igbochi elu nke putty ka ọ gbanwee odo odo ruo n'ókè ụfọdụ.

Usoro 6. Maka putty nke gbanwere edo edo, a chọrọ ọgwụgwọ teknụzụ. Usoro ọgwụgwọ n'ozuzu bụ: buru ụzọ tinye primer n'elu putty, wee kpochaa ma tinye akwa mmiri na-eguzogide mmiri ma ọ bụ ahịhịa ime mgbidi latex agba.

Kọwaa isi ihe ndị a dị n'elu:

N'elu-acha odo odo nke mmiri na-eguzogide ọgwụ na iṅomi poselin agba na-agụnye ọtụtụ akụkụ dị ka akụrụngwa, ọnọdụ gburugburu ebe obibi, ọnọdụ ihu igwe, mgbidi mgbidi, nkà na ụzụ ihe owuwu, wdg. Ọ bụ nsogbu dị mgbagwoju anya, na-achọkwu nyocha na mkparịta ụka.


Oge nzipu: Eprel-28-2024