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    • 4. 发明申请
    • THERMAL INSULATOR FOR MOLTEN METAL
    • 用于熔融金属的热绝缘体
    • WO2010079901A3
    • 2010-09-30
    • PCT/KR2009007460
    • 2009-12-14
    • LAND BRIDGE CO LTDSHIN HEE JAE
    • SHIN HEE JAE
    • B22D11/108B22D1/00
    • B22D11/111B22D1/00
    • The present invention relates to a thermal insulator for molten metal, wherein a molten metal is insulated by using a carbonized product produced using sewage sludge discharged from a sewage-treatment plant. The thermal insulator for molten metal according to the present invention is characterised in that a starting material consisting of sewage sludge, which is an organic sludge, is subjected to drying, pulverization and forming, and then to carbonization. This procedure makes it possible to obtain, at low cost, an insulator which has outstanding heat-retaining properties and which is used in order to prevent reduction in temperature and prevent oxidation in the melt, and is also helpful in solving the environmental problems associated with incineration and landfill which occur in the disposal of waste.
    • 本发明涉及一种用于熔融金属的绝热体,其中通过使用利用从污水处理厂排放的污水污泥生产的碳化产品来将熔融金属绝热。 本发明的熔融金属用隔热材料的特征在于,将由污泥作为有机污泥构成的原料进行干燥,粉碎,成型,然后进行干馏。 该过程使得可以以低成本获得具有突出的保温性并且用于防止温度降低和防止熔体中氧化的绝缘体,并且还有助于解决与以下相关的环境问题 垃圾焚烧和垃圾填埋。