Njerwa Zopepuka za Mullite

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Njerwa Zopepuka za Mullite 1.0

Njerwa zopepuka za mullite zimapangidwa ndi zida zapamwamba kwambiri zodzitchinjiriza, malinga ndi mphamvu yokoka ya chinthucho, zodzaza ndi organic composite zimawonjezeredwa, vacuum extruded ndi sintered pa kutentha kwakukulu kuti apange zinthu zopepuka za mullite. Ndi kulemera kwake kopepuka komanso ntchito yabwino yotchinjiriza matenthedwe, njerwa zopepuka za mullite zimagwiritsidwa ntchito kwambiri pazowotchera zowotcha kapena zigawo za zida zosiyanasiyana zotenthetsera, ndikupanga mikhalidwe yopititsira patsogolo mphamvu yogwiritsira ntchito mphamvu.

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Kufotokozera kwa Njerwa Yopepuka ya Mullite

Zida zopangira aluminiyamu zapamwamba zokhala ndi mullite monga gawo lalikulu la kristalo nthawi zambiri zimakhala ndi aluminiyamu ya 50% -75%. Kutentha kwa refractory kwa njerwa za mullite zopepuka kumatha kufika pamwamba pa 1790 ℃. The katundu kufewetsa kuyambira kutentha ndi 1600-1700 ℃. Kukaniza kutentha kwachipinda ndi kuwala kwa 70-260MPa. Kukana kwamphamvu kwamafuta. Pali mitundu iwiri: njerwa za sintered mullite ndi njerwa zosakanikirana za mullite.

Njerwa za sintered mullite zimapangidwa ndi aluminiyamu yapamwamba kwambiri ya bauxite clinker monga zopangira zazikulu, ndi dongo laling'ono kapena bauxite yaiwisi monga binder, ndipo amapangidwa ndi sintered. Njerwa za mullite zopangidwa ndi aluminiyamu wapamwamba kwambiri, aluminiyamu yamafakitale ndi dongo losungunuka, ndi makala kapena tinthu tating'onoting'ono tomwe timawonjezera ngati chochepetsera. Pambuyo pakupanga, amapangidwa ndi njira yochepetsera fusion. Makhiristo a mullite wosakanikirana ndiakuluakulu kuposa a sintered mullite, ndipo kukana kutenthedwa kwamafuta kuli bwino kuposa kwazinthu zotayidwa. Kutentha kwawo kwakukulu kumadalira zomwe zili ndi alumina ndi kufanana kwa kugawa kwa gawo la mullite ndi galasi.

A aluminiyamu refractory zinthu ndi mullite (3Al2O3 · 2SiO2) monga gawo lalikulu la kristalo. Zambiri za aluminiyamu zili pakati pa 65% ndi 75%. Kuphatikiza pa mullite, kapangidwe ka mchere kamakhala ndi gawo laling'ono lagalasi ndi quartz yokhala ndi aluminiyamu yotsika; ndi kachulukidwe kakang'ono ka corundum chokhala ndi aluminiyamu yapamwamba kwambiri. Njerwa zopepuka za mullite zitha kugwiritsidwa ntchito mwachindunji pazowotchera zotentha kwambiri, ndipo pakadali pano zimagwiritsidwa ntchito kwambiri m'makina otenthetsera, mawotchi odzigudubuza, magalasi ndi ng'anjo za petrochemical.

Zosintha zakuthupi ndi zamankhwala za njerwa zopepuka za mullite ndi izi:

Mawonekedwe a njerwa ya mullite yopepuka:

Ferrosilicon ng'anjo ndi ng'anjo yamagetsi yamafakitale yomwe imadya mphamvu zambiri ndipo ndi mtundu wa ng'anjo ya arc yomizidwa. Ferrosilicon ng'anjo imaphatikizapo chipolopolo cha ng'anjo, chivundikiro cha ng'anjo, ng'anjo ya ng'anjo, ukonde waufupi, makina ozizirira madzi, makina otulutsa utsi, njira yochotsera fumbi, chipolopolo cha electrode, kutulutsa mphamvu ya electrode ndi kukweza dongosolo, kutsegula ndi kutsitsa, chowongolera, chipangizo chowotcha, hydraulic. system, thiransifoma Ndipo zida zosiyanasiyana zamagetsi, ndi zina zambiri, kugwiritsa ntchito zida zosinthira kumafunikiranso.

Mu 2006, fakitale yathu inakhazikitsidwa ku Yuzhou, ore ya bauxite yamtengo wapatali. High-alumina bauxite mumsika wa refractory nthawi zambiri amatanthauza miyala ya bauxite yokhala ndi calcined Al₂O₃ yoposa 48% ndi Fe₂O₃ yotsika.

Zagwiritsidwa ntchito ku:

Galasi yosungunula ng'anjo yam'mwamba yopangira njerwa, mbale zosinthira, kukonza ng'anjo yamoto, E-magalasi osungunula njerwa zamoto. Zoyatsira moto, ng'anjo zosungunulira, zida zoyenga, zida zotenthetsera, ndi zida zina zotenthetsera. madera ntchito: ceramic makampani, magalasi makampani, mafakitale zitsulo, makampani petrochemical, mafakitale zotayidwa, ndi minda ina mafakitale.