Zifukwa zazikulu za chikasu cha pamwamba pa putty yosagwira madzi Pambuyo pofufuza zakuthupi, zoyesera zambiri ndi machitidwe a uinjiniya, wolembayo amakhulupirira kuti zinthu zazikulu zomwe zimapangitsa kuti chikasu chapamwamba pa putty chosagwira madzi chikhale chonchi. :
Chifukwa 1. Calcium hydroxide (phulusa la calcium ufa) kubwerera ku alkali kumayambitsa chikasu Calcium hydroxide, molecular formula Ca (OH) 2, molecular molecular weight 74, melting point 5220, pH value ≥12, alkaline wamphamvu, ufa woyera wonyezimira, Wosungunuka pang'ono mu madzi, sungunuka mu asidi, glycerin, shuga, ammonium chloride, sungunuka mu asidi kutulutsa zambiri kutentha, kachulukidwe wachibale ndi 2.24, yankho lake lomveka bwino lamadzimadzi ndi lopanda utoto, lopanda fungo lamchere lamadzimadzi, pang'onopang'ono limatengedwa, calcium okusayidi imakhala calcium carbonate. Calcium hydroxide ndi zamchere zolimba kwambiri, zamchere komanso kuwononga kwake ndizochepa kwambiri kuposa sodium hydroxide, calcium hydroxide ndipo njira yake yamadzi imawononga khungu la munthu, zovala, ndi zina, koma yopanda poizoni, ndipo sayenera kukhudzana mwachindunji ndi khungu. nthawi yayitali.
Calcium hydroxide ndi chodzaza chokhazikika mu putty wosamva madzi kupanga filimu yolimba yokhala ndi heavy calcium carbonate ndi ufa wonyezimira wa rabara. Chifukwa cha mphamvu zake zamchere komanso zamchere zamchere, gawo lina lamadzi mu putty lidzatengedwa ndi khoma pomanga. Yemweyo mwamphamvu zamchere simenti matope pansi, kapena mchenga-laimu pansi (laimu, mchenga, pang'ono simenti) odzipereka, monga putty wosanjikiza pang'onopang'ono uphwetsa ndi madzi volatilizes, ndi zamchere zinthu mu matope matope ndi putty ndi ena mwa Iwo sakhazikika pambuyo hydrolysis Zinthu mu putty (monga chitsulo chachitsulo, chitsulo chachitsulo, etc.) adzatuluka kudzera kakang'ono. pores a putty, ndipo zochita za mankhwala zidzachitika pambuyo pokumana ndi mpweya, zomwe zimapangitsa kuti pamwamba pa putty ikhale yachikasu.
Chifukwa 2. Kusakhazikika kwa organic mankhwala mpweya. Monga carbon monoxide (CO), sulfure dioxide (SO2), benzene, toluene, xylene, formaldehyde, pyrotechnics, ndi zina zotero. Nthawi zina zauinjiniya, pakhala pali nthawi yomwe putty surface imasanduka yachikasu chifukwa chogwiritsa ntchito utoto ndi utoto. moto kuti ukhale wofunda m'chipinda momwe putty yosagwira madzi yangophwanyidwa, kapena kuwotcha zofukiza m'chipindamo, ndipo anthu ambiri amasuta nthawi yomweyo.
Chifukwa 3. Zotsatira za nyengo ndi chilengedwe. Kuchigawo chakumpoto, panthawi ya kusinthana kwa nyengo, pamwamba pa putty nthawi zambiri amasanduka achikasu kuyambira Novembala mpaka Meyi chaka chamawa, koma izi ndizochitika zokhazokha.
Chifukwa 4. Mpweya wabwino ndi kuyanika mpweya si wabwino. Khoma lanyowa. Pambuyo pochotsa putty yosagwira madzi, ngati wosanjikiza wa putty siwouma, kutseka zitseko ndi mazenera kwa nthawi yayitali kumapangitsa kuti pamwamba pa putty kukhala chikasu.
Chifukwa 5. Nkhani zaku Grassroots. Pansi pa khoma lakale nthawi zambiri mumakhala mchenga wotuwa (laimu, mchenga, simenti yochepa, ndi zina zosakaniza ndi gypsum). Ambuye, koma pali malo ambiri omwe makoma amapaka laimu ndi pulasitala. Zambiri mwazinthu zamakoma ndi zamchere. Pambuyo pa putty kukhudza khoma, madzi ena amatengedwa ndi khoma. Pambuyo pa hydrolysis ndi oxidation, zinthu zina, monga alkali ndi chitsulo, zimatuluka kudzera mu tinthu ting'onoting'ono ta khoma. A chemical reaction zimachitika, kuchititsa pamwamba pa putty kukhala chikasu.
Chifukwa 6. Zinthu zina. Kuphatikiza pazifukwa zomwe zili pamwambazi, padzakhalanso zinthu zina, zomwe ziyenera kufufuzidwanso.
Njira yothetsera putty yosagwira madzi kuti isabwerere kuchikasu:
Njira 1. Gwiritsani ntchito chosindikizira kumbuyo kuti musindikize kumbuyo.
Njira 2. Pazokongoletsa zakale zamakoma, putty wamba wamba wocheperako yemwe salimbana ndi madzi komanso wosavuta kupukuta adaphwanyidwa kale. Musanagwiritse ntchito putty yapamwamba yosagwira madzi, chithandizo chaukadaulo chiyenera kuchitidwa poyamba. Njirayi ndi: choyamba kupopera madzi kuti munyowetse khoma pamwamba, ndipo gwiritsani ntchito spatula kuti mupukute Chotsani putty wakale ndi utoto (mpaka pansi molimba) ndikuyeretsani. Khoma litauma, yeretsaninso ndikugwiritsira ntchito wothandizira kuti aphimbe chithandizo chothandizira, kenaka pukutani putty yosagwira madzi. yellow.
Njira 3. Pewani mpweya wamankhwala osakhazikika komanso zozimitsa moto. Pa nthawi yomanga, makamaka pamene putty si youma kotheratu pambuyo pomanga, musasute kapena kuyatsa moto m'nyumba kuti muwotche, ndipo musagwiritse ntchito mankhwala osokoneza bongo monga utoto ndi zowonda zake m'nyumba mkati mwa miyezi itatu.
Njira 4. Sungani malowo ndi mpweya wabwino komanso wouma. Putty yosagwira madzi isanayambe kuuma, musatseke zitseko ndi mazenera mwamphamvu, koma tsegulani mawindo a mpweya wabwino, kotero kuti putty wosanjikiza akhoza kuuma mwamsanga.
Njira 5. Mulingo woyenera wa 462 wosinthidwa ultramarine ukhoza kuwonjezeredwa ku putty wosamva madzi. Njira yeniyeni: Malinga ndi chiŵerengero cha 462 yosinthidwa ultramarine: putty powder = 0.1: 1000, choyamba onjezerani ultramarine mumadzi enaake, yambitsani kusungunuka ndi kusefa, onjezerani ultramarine yamadzimadzi ndi madzi mumtsuko, ndiyeno dinani madzi okwana: putty powder = 0.5: 1 kulemera kwa chiŵerengero, ikani ufa wa putty mu chidebe, sakanizani mofanana ndi chosakanizira kuti mupange mkaka wotsekemera, ndiyeno mugwiritse ntchito. Mayesowa akuwonetsa kuti kuwonjezera kuchuluka kwa ultramarine buluu kumatha kuletsa pamwamba pa putty kukhala chikasu pamlingo wina.
Njira 6. Kwa putty yomwe yasanduka chikasu, chithandizo chaukadaulo chimafunikira. Njira yochizira ndiyo: choyamba ikani zoyambira pamwamba pa putty, kenaka pewani ndikuyika utoto wapamwamba wosamva madzi kapena bulashi mkati mwa khoma la latex.
Fotokozerani mwachidule mfundo zomwe zili pamwambazi:
Kupaka utoto wachikasu wa putty wosamva madzi ndi utoto wa porcelain wotsanzira kumaphatikizapo zinthu zambiri monga zopangira, chilengedwe, nyengo, makoma a khoma, luso la zomangamanga, ndi zina zotero. Ndizovuta zovuta, ndipo kufufuza kwina ndi kukambirana kumafunika.
Nthawi yotumiza: Apr-28-2024