Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A corundum slag-coal gangue refractory castable which is excellent in use performance and low in production cost is prepared by adopting corundum slag, coal gangue, magnesia, aluminum ash, silicon carbide, silicon nitride, boron carbide, andalusite, polycrystalline alumina fiber, sodium tripolyphosphate, carboxyl methyl cellulose sodium and pure calcium aluminate cement as raw materials, so as to achieve the purposes of comprehensively recycle corundum slag and coal gangue and reducing the production cost; the performance indexes of the corundum slag-coal gangue refractory castable are as follows: after the corundum slag-coal gangue refractory castable is dried for 24h at the temperature of 110 DEG C, the cold crushing strength is 23.7-27.5 MPa; after the corundum slag-coal gangue refractory castable is calcined for 3h at the temperature of 1350 DEG C, the cold crushing strength is 150-190 MPa, and the volume density is 2.8-3.4 g/cm<3>.
A corundum slag-coal gangue refractory castable which is excellent in use performance and low in production cost is prepared by adopting corundum slag, coal gangue, magnesia, aluminum ash, silicon carbide, silicon nitride, boron carbide, andalusite, polycrystalline alumina fiber, sodium tripolyphosphate, carboxyl methyl cellulose sodium and pure calcium aluminate cement as raw materials, so as to achieve the purposes of comprehensively recycle corundum slag and coal gangue and reducing the production cost; the performance indexes of the corundum slag-coal gangue refractory castable are as follows: after the corundum slag-coal gangue refractory castable is dried for 24h at the temperature of 110 DEG C, the cold crushing strength is 23.7-27.5 MPa; after the corundum slag-coal gangue refractory castable is calcined for 3h at the temperature of 1350 DEG C, the cold crushing strength is 150-190 MPa, and the volume density is 2.8-3.4 g/cm<3>.
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| Europäisches Patentamt | 2015
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