Nkhani

zitsulo kapangidwe zokutira utoto

Chitsulo ndi mtundu wa zinthu zomangira zosawotcha, zimakhala ndi zivomezi, zopindika ndi zina. Pogwiritsira ntchito, zitsulo sizingangowonjezera mphamvu zolemetsa za nyumba, komanso zimakwaniritsa zofunikira za kukongola kwa mapangidwe a zomangamanga. Zimapewanso zolakwika zomwe zida zomangira monga konkriti sizingapindike ndikutambasula. Choncho, zitsulo zakhala zikuyanjidwa ndi makampani omangamanga, malo amodzi, masitepe ambiri, ma skyscrapers, mafakitale, malo osungiramo katundu, zipinda zodikirira, maholo onyamuka ndi zitsulo zina ndizofala. Kuti tiphunzire kwa wina ndi mzake, kugwiritsa ntchitozitsulo kapangidwe zokutirandichitsulo choyambirirautoto ndi wofunikira.

Gulu la zokutira zomangira zitsulo

Zovala zachitsulo zimakhala ndi mitundu iwiri yazitsulo zotchingira moto komanso zokutira zachitsulo zotsutsana ndi dzimbiri.
(A) chitsulo kapangidwe utoto moto

1. Chophimba chowonda kwambiri chopanda moto

Chitsulo chopyapyala kwambiri chotchinga ndi moto chimatanthawuza makulidwe opaka mkati mwa 3 mm (kuphatikiza 3 mm), mawonekedwe okongoletsa ndi abwino, amatha kukulira pa kutentha kwakukulu, ndipo malire okana moto amakhala mkati mwa 2 h ya chitsulo chotchingira moto. Mtundu woterewu wachitsulo chotchinga moto chotchingira moto nthawi zambiri chimakhala chosungunulira, chokhala ndi mphamvu zomangirira zapamwamba, kukana kwanyengo komanso kukana madzi, kusanja bwino, kukongoletsa bwino; Ikayatsidwa ndi moto, imakula pang'onopang'ono ndikuchita thovu kupanga tsinde lolimba komanso lolimba lotchingira moto. Chosanjikiza chopanda moto chimakhala ndi mphamvu yolimbana ndi moto, kuchedwetsa kutentha kwa chitsulo ndikuteteza bwino zigawo zachitsulo. Kupanga kwazitsulo zowonda kwambiri zokulirapo zotchingira moto zimatha kupopera, kupukuta kapena kukulunga, zomwe zimagwiritsidwa ntchito pazofunikira zoletsa moto mkati mwa 2 h pamapangidwe achitsulo. Pakhala pali mitundu yatsopano ya kopitilira muyeso-woonda zitsulo kapangidwe zokutira moto ndi kukana moto wa 2 h kapena kuposa, amene makamaka ntchito polymethacrylate kapena epoxy utomoni ndi dongosolo lapadera ndi amino utomoni, chlorinated paraffin monga m'munsi binder, ndi mkulu polymerization digiri ammonium polyphosphate, dipentaerythritol, melamine monga dongosolo moto retardant. Titanium dioxide, wollastonite ndi zinthu zina zosungunulira zimawonjezedwa ku 200 # zosungunulira zamafuta ngati zosungunulira. Mitundu yosiyanasiyana yazitsulo zopepuka, ma gridi, ndi zina zambiri, gwiritsani ntchito utoto wamtundu uwu kuti muteteze moto. Chifukwa cha zokutira kopitilira muyeso-woonda kwambiri wa mtundu uwu wa ❖ kuyanika kwamoto, kugwiritsa ntchito zitsulo zowonda komanso zowonda kwambiri zotchingira moto zimachepetsedwa kwambiri, zomwe zimachepetsa mtengo wokwanira wa polojekitiyo, ndikupanga mawonekedwe azitsulo kupeza chitetezo chamoto chogwira ntchito, komanso chitetezo chamoto chimakhala chabwino kwambiri.

2. Chophimba chotchinga moto chazitsulo zopyapyala

Chitsulo chopyapyala chopangidwa ndi chitsulo chotchinga moto chimatanthawuza zitsulo zopangira moto zomwe makulidwe ake ndi aakulu kuposa 3mm, ocheperapo kapena ofanana ndi 7mm, ali ndi zokongoletsera zina, amakula ndikukula pa kutentha kwakukulu, ndipo malire okana moto ali mkati mwa 2 h. Mtundu woterewu wotchinga moto wopangira zitsulo nthawi zambiri umapangidwa ndi polima yoyenera yochokera m'madzi monga maziko ake, kenako amapangidwa ndi gulu lazinthu zoletsa moto, zowonjezera zoletsa moto, ulusi wosagwira moto, ndi zina zambiri, ndipo mfundo yake yoletsa moto ndi yofanana ndi mtundu wowonda kwambiri. Kwa mtundu uwu wa zokutira zamoto, polima yopangidwa ndi madzi yomwe imayenera kusankhidwa iyenera kukhala yomatira bwino, yokhazikika komanso yokana madzi ku gawo lapansi lachitsulo. Kukongoletsa kwake ndikwabwino kuposa zokutira zothina ndi moto, zocheperako kuposa zokutira zowonda kwambiri zachitsulo zosapsa ndi moto, ndipo malire oletsa moto amakhala mkati mwa 2 h. Choncho, nthawi zambiri amagwiritsidwa ntchito muzitsulo zotetezera moto zomwe zimakhala ndi malire osakwana 2 h, ndipo nthawi zambiri amagwiritsidwa ntchito popanga kupopera. Munthawi imodzi, idatenga gawo lalikulu, koma pakutuluka kwazitsulo zowonda kwambiri zotchingira moto, gawo lake la msika lidasinthidwa pang'onopang'ono.

3. Wokhuthala zitsulo kapangidwe ❖ kuyanika moto

Wandiweyani zitsulo kapangidwe moto retardant ❖ kuyanika amatanthauza ❖ kuyanika makulidwe ndi wamkulu kuposa 7 mm, zosakwana kapena wofanana 45 mm, granular pamwamba, kachulukidwe yaing'ono, otsika matenthedwe madutsidwe, moto kukana malire oposa 2 H zitsulo kapangidwe moto retardant ❖ kuyanika. Popeza zikuchokera zokutira wandiweyani retardant moto makamaka zinthu inorganic, ntchito yake moto ndi khola ndi zotsatira ntchito kwa nthawi yaitali zabwino, koma particles wa zigawo zake utoto waukulu, maonekedwe ❖ kuyanika ndi wosagwirizana, zimakhudza kukongola wonse wa nyumbayo, choncho nthawi zambiri amagwiritsidwa ntchito pa zomangamanga zobisika. Mtundu woterewu wotchinga moto umagwiritsa ntchito granular pamwamba pa zinthu pamoto, kachulukidwe kakang'ono, kutsekemera kwa kutentha kumakhala kochepa kapena kutentha kwa zinthu zomwe zili muzovala, zomwe zimachedwetsa kutentha kwa chitsulo ndikuteteza chitsulo. Mtundu uwu wa ❖ kuyanika moto amapangidwa ndi oyenera inorganic binder (monga galasi madzi, silika sol, aluminiyamu mankwala, refractory simenti, etc.), Ndiye wothira zinthu zosawerengeka opepuka adiabatic aggregate zipangizo (monga anawonjezera perlite, kukod vermiculite, bouldering nyanja, wothandizila zoyandama, mikanda zoyandama, etc.) zida zolimbikitsira (monga aluminiyamu silicate ulusi, ubweya wa miyala, ulusi wa ceramic, ulusi wagalasi, etc.) ndi zodzaza, ndi zina, zomwe zimakhala ndi ubwino wa mtengo wotsika. Kupopera mbewu mankhwalawa nthawi zambiri kumagwiritsidwa ntchito pomanga, komwe kuli koyenera zitsulo zobisika zamkati ndi zakunja zokhala ndi malire oletsa moto oposa 2 h, zitsulo zazitsulo zonse ndi zitsulo zamafakitale ambiri. Mwachitsanzo, malire oletsa moto wa mizati ya nyumba zokwera kwambiri, nyumba zamafakitale ndi zachitukuko zomwe zimathandizira mizati yamitundu ingapo ziyenera kufika 3h, ndipo zokutira zotchinga moto ziyenera kugwiritsidwa ntchito kuziteteza.

(2) chitsulo kapangidwe kapenti anticorrosive

Anti-corrosion corrosion for zitsulo kapangidwe ndi mtundu watsopano wa anti-corrosion ❖ kuyanika kwa chitsulo kapangidwe kamene kamapangidwa pamaziko a mafuta osagwira anti-corrosion. Utoto umagawidwa m'mitundu iwiri ya primer ndi utoto wapamwamba, kuwonjezera apo, mawonekedwe ake ogwiritsira ntchito ndi okulirapo, ndipo utoto ukhoza kusinthidwa kukhala mitundu yosiyanasiyana malinga ndi zosowa. Chitsulo dongosolo odana ndi dzimbiri ❖ kuyanika ndi oyenera zimbudzi, madzi a m'nyanja, madzi mafakitale, mafuta, palafini, dizilo ndege mafuta, gasi ndi akasinja yosungirako, mafuta, mapaipi gasi, milatho, grids, zida mphamvu ndi mitundu yonse ya zida mankhwala odana dzimbiri chitetezo, Angagwiritsidwenso ntchito zipangizo konkire dzimbiri chitetezo.

Choyamba, kusintha chikhalidwe cha zitsulo: mwachitsanzo, mankhwala aloyi:

Akatswiri ambiri ochokera kumayiko ena aphunzira mmene zitsulo zimagwirira ntchito polimbana ndi dzimbiri la madzi a m'nyanja. Zimapezeka kuti zitsulo za alloy zochokera ku Cr, Ni, Cu, P, Si ndi dziko losowa kwambiri zimakhala ndi zinthu zabwino kwambiri zotsutsana ndi dzimbiri, ndipo pazifukwa izi, zitsulo zosagwirizana ndi madzi a m'nyanja zapangidwa. Komabe, chifukwa cha malingaliro a zachuma ndi zamakono, zinthu zomwe zili pamwambazi sizikugwiritsidwa ntchito kwambiri muzitsulo zosagwirizana ndi madzi a m'nyanja.

Chachiwiri, mapangidwe oteteza wosanjikiza: ndiye ❖ kuyanika sanali zitsulo kapena zitsulo zoteteza wosanjikiza:

Chitsulo choteteza chitsulo chimagwiritsidwa ntchito makamaka popanga phosphating, oxidation ndi passivation chithandizo cha zitsulo zokutidwa. Zosanjikiza zopanda zitsulo zoteteza makamaka kupaka utoto, pulasitiki, enamel, mafuta amchere ndi zina zotero pamwamba pazitsulo kuti zikhale zotetezera. Cholinga cha zigawo ziwiri zotetezazi ndikulekanitsa zinthu zapansi kuti zisakhudzidwe ndi madzi a m'nyanja, m'malo mochita ndi madzi a m'nyanja, motero kupanga chitetezo.

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