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    • 12. 发明公开
    • 경량 골재용 조성물
    • 轻质聚集体组合物
    • KR1020030011756A
    • 2003-02-11
    • KR1020020085890
    • 2002-12-28
    • 이기강
    • 이기강김정환
    • C04B18/04
    • C04B18/027C04B38/009Y02W30/91Y02W30/92Y02W30/94C04B18/025C04B18/0409C04B18/06C04B18/103C04B18/142C04B35/62204C04B38/02
    • PURPOSE: Provided is a lightweight aggregate composition with high mechanical strength, low water absorption and low production costs by using one or more of wastes such as coal ash, electric arc furnace(EAF) dust, steelmaking slag, etc. CONSTITUTION: The lightweight aggregate composition comprises 3-62pts.wt. of clay, and two or more of wastes selected from 3-2pts.wt. of EAF dust, 5-35pts.wt. of coal ash, 15-55pts.wt. of stone powder, 5-45pts.wt. of sewage sludge ash, and optionally 5-35pts.wt. of red mud or 3-17pts.wt. of aluminum dross generated in production of Al(OH)3. The wastes like EAF dust, steelmaking slag and red mud form liquid phase at the sintering temperature and generate O2 gas, and the other wastes like coal ash, sewage sludge ash and aluminum dross promotes formation of O2 gas, resulting in lightweight aggregates.
    • 目的:通过使用煤灰,电弧炉(EAF)粉尘,炼钢渣等废弃物中的一种或多种,​​具有机械强度高,吸水率低,生产成本低的轻质骨料组合物。组分:轻质骨料 组合物包含3-62pts.wt。 的粘土和两种或更多种选自3-2pts.wt的废物。 的EAF粉尘,5-35pts.wt。 煤灰,15-55pts.wt。 的石粉,5-45pts.wt。 的污水泥灰,可选择5-35pts.wt。 红泥或3-17pts.wt。 的Al(OH)3生产中产生的铝渣。 EAF粉尘,炼钢渣和红泥等废物在烧结温度下形成液相,产生O2气,其他废物如煤灰,污泥,灰渣和铝渣促进O2气的形成,形成轻质聚集体。
    • 18. 发明授权
    • 경량 골재용 조성물
    • 경량골재용조성
    • KR100392933B1
    • 2003-07-28
    • KR1020020085890
    • 2002-12-28
    • 이기강
    • 이기강김정환
    • C04B18/04
    • C04B18/027C04B38/009Y02W30/91Y02W30/92Y02W30/94C04B18/025C04B18/0409C04B18/06C04B18/103C04B18/142C04B35/62204C04B38/02
    • PURPOSE: Provided is a lightweight aggregate composition with high mechanical strength, low water absorption and low production costs by using one or more of wastes such as coal ash, electric arc furnace(EAF) dust, steelmaking slag, etc. CONSTITUTION: The lightweight aggregate composition comprises 3-62pts.wt. of clay, and two or more of wastes selected from 3-2pts.wt. of EAF dust, 5-35pts.wt. of coal ash, 15-55pts.wt. of stone powder, 5-45pts.wt. of sewage sludge ash, and optionally 5-35pts.wt. of red mud or 3-17pts.wt. of aluminum dross generated in production of Al(OH)3. The wastes like EAF dust, steelmaking slag and red mud form liquid phase at the sintering temperature and generate O2 gas, and the other wastes like coal ash, sewage sludge ash and aluminum dross promotes formation of O2 gas, resulting in lightweight aggregates.
    • 目的:通过使用一种或多种如煤灰,电弧炉(EAF)粉尘,炼钢渣等废料,提供一种具有高机械强度,低吸水性和低生产成本的轻质骨料组合物。组成:轻骨料 组合物包含3-62pts.wt。 的粘土,以及选自3-2pts.wt的两种或更多种废物。 的电炉烟尘,5-35pts.wt。 的煤灰,15-55pts.wt。 的石粉,5-45pts.wt。 的污泥灰分,和任选地5-35pts.wt。 赤泥或3-17pts.wt。 在生产Al(OH)3时产生铝渣。 电炉烟尘,炼钢炉渣,赤泥等废物在烧结温度下形成液相,产生氧气,其余废渣如煤灰,污泥灰和铝渣,促进了氧气的形成,产生轻质集料。