utoto wokutira kapangidwe kachitsulo
Chitsulo ndi mtundu wa zipangizo zomangira zosayaka moto, chili ndi makhalidwe ozungulira, opindika ndi ena. Pogwiritsidwa ntchito moyenera, chitsulo sichimangowonjezera mphamvu ya nyumba zokha, komanso chimakwaniritsa zosowa za kapangidwe ka zomangamanga. Chimapewanso zolakwika zomwe zipangizo zomangira monga konkriti sizingapindike ndi kutambasuka. Chifukwa chake, chitsulo chakhala chikukondedwa ndi makampani omanga, nyumba zokhala ndi zipinda ziwiri, nyumba zambiri, nyumba zazitali, mafakitale, nyumba zosungiramo katundu, zipinda zodikirira, nyumba zopumulira ndi zitsulo zina ndizofala. Pofuna kuphunzira kuchokera kwa wina ndi mnzake, kugwiritsa ntchitozokutira za kapangidwe ka chitsulondichoyambira chachitsuloUtoto ndi wofunikira.
Kugawa kwa zokutira za kapangidwe ka chitsulo
Zophimba za kapangidwe ka zitsulo makamaka zimakhala ndi mitundu iwiri ya zophimba za kapangidwe kachitsulo zosapsa ndi zophimba za kapangidwe kachitsulo zotsutsana ndi dzimbiri.
(A) utoto wosapsa ndi moto wa kapangidwe ka chitsulo
- 1. Chophimba choonda kwambiri chomwe sichimayaka moto
Chophimba chachitsulo chopyapyala kwambiri chomwe sichingapse ndi moto chimatanthauza makulidwe a chophimba mkati mwa 3 mm (kuphatikiza 3 mm), kukongoletsa kwake ndi kwabwino, kumatha kukulira kutentha kwambiri, ndipo malire okana moto nthawi zambiri amakhala mkati mwa maola awiri kuchokera pachophimba chachitsulo chomwe sichingapse ndi moto. Mtundu uwu wa chophimba choletsa moto chomwe chimapangidwa ndi chitsulo nthawi zambiri chimakhala chozikidwa pa zosungunulira, chokhala ndi mphamvu yolimba yolumikizira, cholimba bwino nyengo komanso cholimba madzi, cholimba bwino, komanso mawonekedwe abwino okongoletsera; Chikawotchedwa, chimakula pang'onopang'ono ndikupanga thovu lolimba komanso lolimba losapse ndi moto. Chophimba cholimba chomwe sichingapse ndi moto chimakhala ndi mphamvu yolimba yolimbana ndi moto, zomwe zimachedwetsa kukwera kwa kutentha kwa chitsulo ndikuteteza bwino zigawo zachitsulo. Kapangidwe ka chophimba cholimba kwambiri chomwe chimapangidwa ndi chitsulo chokulirapo chomwe sichingapse ndi moto chimatha kupopedwa, kupukutidwa kapena kuzunguliridwa, nthawi zambiri chimagwiritsidwa ntchito pazofunikira za malire okana moto mkati mwa maola awiri pachovala chachitsulo cha nyumbayo. Pakhala mitundu yatsopano ya zokutira zopyapyala kwambiri zosapsa ndi moto zomwe zimapirira moto kwa maola awiri kapena kuposerapo, zomwe zimagwiritsa ntchito makamaka polymethacrylate kapena epoxy resin yokhala ndi kapangidwe kapadera ndi amino resin, chlorinated paraffin ngati maziko omangirira, yokhala ndi polymerization yapamwamba ammonium polyphosphate, dipentaerythritol, melamine ngati dongosolo loletsa moto. Titanium dioxide, wollastonite ndi zinthu zina zosapanga dzimbiri zimawonjezedwa ku mafuta osungunulira 200# ngati chophatikiza chosungunulira. Mapangidwe osiyanasiyana achitsulo chopepuka, ma gridi, ndi zina zotero, amagwiritsa ntchito mtundu uwu wa utoto wosapsa moto kuti ateteze moto. Chifukwa cha zokutira zopyapyala kwambiri za mtundu uwu wa zokutira zoletsa moto, kugwiritsa ntchito zokutira zopyapyala komanso zopyapyala zachitsulo kumachepa kwambiri, zomwe zimachepetsa mtengo wonse wa polojekitiyi, ndikupangitsa kuti kapangidwe kachitsulo kakhale koteteza moto moyenera, ndipo zotsatira zoteteza moto ndizabwino kwambiri.
- 2. Chophimba choletsa moto cha kapangidwe kachitsulo choonda
Chophimba chopanda moto cha kapangidwe ka chitsulo chopyapyala chimatanthauza chophimba chopanda moto cha kapangidwe ka chitsulo chomwe makulidwe ake ndi oposa 3mm, osakwana kapena ofanana ndi 7mm, chimakhala ndi zotsatira zina zokongoletsera, chimakula ndikukhuthala kutentha kwambiri, ndipo malire oletsa moto amakhala mkati mwa maola awiri. Mtundu uwu wa chophimba chopanda moto cha kapangidwe ka chitsulo nthawi zambiri umapangidwa ndi polima yoyenera yochokera m'madzi ngati maziko, kenako chimapangidwa ndi dongosolo lophatikizana la zoletsa moto, zowonjezera zoletsa moto, ulusi wosagwira moto, ndi zina zotero, ndipo mfundo yake yopewera moto ndi yofanana ndi mtundu woonda kwambiri. Pa mtundu uwu wa chophimba chopanda moto, polima yochokera m'madzi yomwe imafunika kusankhidwa iyenera kukhala yomatira bwino, yolimba komanso yolimba ku zitsulo. Zokongoletsa zake ndi zabwino kuposa zophimba zokhuthala zoteteza moto, zotsika poyerekeza ndi zophimba zokhuthala zoteteza moto za kapangidwe ka chitsulo, ndipo malire oletsa moto onse ali mkati mwa maola awiri. Chifukwa chake, imagwiritsidwa ntchito kwambiri m'mapulojekiti oteteza moto a kapangidwe ka chitsulo okhala ndi malire ochepera maola awiri oletsa moto, ndipo kapangidwe ka spray nthawi zambiri kamagwiritsidwa ntchito. Mu nthawi ina, idatenga gawo lalikulu, koma chifukwa cha kuonekera kwa zophimba zopyapyala kwambiri zosapsa ndi moto za kapangidwe ka chitsulo, gawo lake pamsika linasinthidwa pang'onopang'ono.
- 3. Chitsulo cholimba chosagwira moto
Chophimba choteteza moto cha kapangidwe ka chitsulo chokhuthala chimatanthauza kuti makulidwe a chophimbacho ndi oposa 7 mm, ochepera kapena ofanana ndi 45 mm, pamwamba pa granular, kachulukidwe kakang'ono, kutentha kochepa, malire oletsa moto opitilira maola awiri opitilira chitsulo choteteza moto. Popeza kapangidwe ka zophimba zokhuthala zoteteza moto nthawi zambiri zimakhala zopanda zinthu zachilengedwe, magwiridwe ake amoto ndi okhazikika ndipo zotsatira zake zimakhala zabwino kwa nthawi yayitali, koma tinthu ta utoto wake ndi tambiri, mawonekedwe a chophimbacho ndi osafanana, zomwe zimakhudza kukongola konse kwa nyumbayo, kotero chimagwiritsidwa ntchito kwambiri pakupanga zobisika za kapangidwe kake. Mtundu uwu wa chophimba choteteza moto umagwiritsa ntchito pamwamba pa granular ya chinthucho pamoto, kachulukidwe kake ndi kakang'ono, kutentha kumakhala kochepa kapena kuyamwa kwa kutentha kwa chinthucho mu chophimbacho, zomwe zimachedwetsa kukwera kwa kutentha kwa chitsulo ndikuteteza chitsulocho. Mtundu uwu wa utoto wosapsa ndi moto umapangidwa ndi chomangira choyenera cha zinthu zosapsa (monga galasi lamadzi, silica sol, aluminiyamu phosphate, simenti yotsutsa, ndi zina zotero), kenako umasakanizidwa ndi zinthu zosapsa za adiabatic (monga perlite yowonjezereka, vermiculite yowonjezereka, miyala ya m'nyanja, mikanda yoyandama, phulusa la ntchentche, ndi zina zotero), zowonjezera zoletsa moto, mankhwala ndi zinthu zolimbitsa (monga aluminiyamu silicate ulusi, ubweya wa miyala, ulusi wa ceramic, ulusi wagalasi, ndi zina zotero) ndi zodzaza, ndi zina zotero, zomwe zili ndi ubwino wotsika mtengo. Kupopera nthawi zambiri kumagwiritsidwa ntchito pomanga, komwe ndikoyenera nyumba zachitsulo zobisika mkati ndi kunja zokhala ndi malire okana moto opitilira maola awiri, nyumba zazitali zachitsulo zonse komanso nyumba zazitali zachitsulo za fakitale. Mwachitsanzo, malire okana moto a mizati ya nyumba zazitali za boma, nyumba zamafakitale ndi za boma zomwe zimathandizira mizati yambiri ziyenera kufika maola atatu, ndipo utoto wokhuthala wosapsa ndi moto uyenera kugwiritsidwa ntchito kuwateteza.
(2) kapangidwe kachitsulo utoto woletsa kuwononga
Chophimba choletsa dzimbiri cha kapangidwe ka chitsulo ndi mtundu watsopano wa chophimba choletsa dzimbiri cha kapangidwe ka chitsulo chomwe chimapangidwa pogwiritsa ntchito chophimba choletsa dzimbiri chosagwira mafuta. Utotowu umagawidwa m'mitundu iwiri ya utoto wa primer ndi wa pamwamba, kuphatikiza apo, mitundu yake yogwiritsidwa ntchito ndi yayikulu, ndipo utotowo ukhoza kusinthidwa kuti ugwirizane ndi mitundu yosiyanasiyana malinga ndi zosowa. Chophimba choletsa dzimbiri cha kapangidwe ka chitsulo ndi choyenera kugwiritsidwa ntchito m'zimbudzi, madzi a m'nyanja, madzi amafakitale, mafuta, mafuta a palafini, mafuta a dizilo, mafuta ndi matanki ena osungiramo zinthu, mafuta, mapaipi a gasi, Milatho, ma gridi, zida zamagetsi ndi mitundu yonse ya zida zamakemikolo zoteteza dzimbiri, zingagwiritsidwenso ntchito poteteza dzimbiri m'malo a konkire.
- Choyamba, sinthani mtundu wa chitsulo: ndiko kuti, chithandizo cha alloy:
Akatswiri ambiri akunja aphunzira momwe zinthu zosiyanasiyana zosakanikirana zimakhudzira kukana dzimbiri kwa chitsulo ku madzi a m'nyanja. Zapezeka kuti zitsulo zopangidwa ndi Cr, Ni, Cu, P, Si ndi rare earth zili ndi mphamvu zabwino kwambiri zotsutsana ndi dzimbiri, ndipo pachifukwa ichi, zitsulo zingapo zotsutsana ndi dzimbiri m'madzi a m'nyanja zapangidwa. Komabe, chifukwa cha zachuma ndi ukadaulo, zinthu zomwe zili pamwambapa sizigwiritsidwa ntchito kwambiri m'zitsulo zopangidwa ndi madzi a m'nyanja zomwe sizingawonongeke ndi dzimbiri.
- Chachiwiri, kupangidwa kwa gawo loteteza: ndiko kuti, kuphimba gawo loteteza losakhala lachitsulo kapena lachitsulo:
Chitsulo choteteza chitsulo chimagwiritsidwa ntchito makamaka pochiza phosphoration, oxidation ndi passivation ya chitsulo chophimbidwa. Chitsulo choteteza chosakhala chachitsulo makamaka ndi utoto, pulasitiki, enamel, mafuta amchere ndi zina zotero pamwamba pa chitsulo kuti apange chitsulo choteteza. Cholinga cha zigawo ziwirizi zoteteza ndikuchotsa zinthu zoyambira kuti zisakhudze madzi a m'nyanja, m'malo mochitapo kanthu ndi madzi a m'nyanja, motero kupanga chitetezo.
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Nthawi yotumizira: Okutobala-29-2024