China fekitari yezvidhinha ine light huremu hwakawanda hwe alumina inodziya | Rongsheng

Tsananguro pfupi:

Chidhinha chine alumina yakawanda chinodzivirira kupisa imhando yechinhu chisingadzoreki, icho chikamu chikuru chiri Al2O3. Kana huwandu hweAl2O3 hwakakwira kupfuura 90%, hunonzi chidhinha che corundum. Nekuda kwezviwanikwa zvakasiyana, mwero wenyika dzakasiyana hausi kuenderana zvachose. Semuenzaniso, munyika dzeEurope, muganho wakaderera wehuwandu hweAl2O3 kune huwandu hwakawanda hwe alumina i42%. MuChina, huwandu hweAl2O3 mudhinha rine alumina yakawanda hunowanzo kamurwa kuita magiredhi matatu: Giredhi I - huwandu hweAl2O3 > 75%; giredhi II - huwandu hweAl2O3 i60-75%; giredhi III - huwandu hweAl2O3 i48-60%.


Ruzivo rweChigadzirwa

Matagi eChigadzirwa

Ruzivo rweUnyanzvi:

Zita Chidhinha cheAlumina Chirebvu Chishoma
LG-0.6 LG-0.8 LG-1.0
Kuwanda kwehuwandu (g/cm3) 0.6 0.8 1.0
Simba reKupwanya Rinotonhora (Mpa) ≥ 1.9 2.9 4.0
Kuchinja Kwemutsetse Kusingaperi 1300℃ * 12h (%)≤ 0.5 0.5 0.5
Kufambisa Kwekupisa Avhareji yekupisa 350±25℃ W/( m·K) ≤0.250 ≤0.320 ≤0.450
Kusasimba kwemusana pasi pemutoro 0.1Mpa (℃) ≥ 1300 1350 1380
Al2O3(%)≥ 50 52 52
Fe2O3(%)≤ 1.8 1.6 1.5
Tembiricha Yepamusoro Yebasa (℃) 1300 1350 1380

Kushandiswa:

Zvidhinha zvealuminium zvine insulation yakawanda zvinonyanya kushandiswa pakuvaka mainlinings emaindasitiri, akadai sema "blast furnaces", "hot blast furnaces", "electric furnace top", "reverberator", "rotary cement furnace" nezvimwewo. Pamusoro pezvo, zvidhinha zvealuminium zvine insulation yakawanda zvinoshandiswawo zvakanyanya se "regenerative checker" zvidhinha, "stopper of continuous casting system", "nozzle bricks", nezvimwewo.


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