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    • 7. 发明申请
    • IMPROVEMENTS IN AND RELATING TO FURNACES AND METHODS OF MELTING
    • 熔点和熔融方法的改进和相关
    • WO02033339A1
    • 2002-04-25
    • PCT/GB2001/004579
    • 2001-10-16
    • F27D27/00F27B3/12F27D3/00F27D3/14F27D23/04H05B6/34
    • F27D27/00F27B3/12F27D3/14F27D2003/0054Y10S266/90
    • The invention provides an improved furnace structure and methods of melting material in furnaces, particularly aimed at reducing the start up time for such furnaces. The furnace (2) defines a container for the molten metal having a maximum depth of molten metal in that container during use. A flow generator (30) for the molten metal within the furnace is fed through a first conduit (32) and supplies material back to the furnace through a second conduit (36). The first conduit entrance is provided in the upper 60 % of the maximum depth of the molten metal in the container and/or the second conduit exit is provided in the lower 25 % of the maximum depth of the molten metal in the container. The flow generator may receive material preferentially from around the periphery of the container and/or direct material towards the centre of the container. The inlet and outlet to the flow generator my be angled downwards towards the container. All of these features improve heat transfer and material circulation within the furnace.
    • 本发明提供了一种改进的炉结构和熔炉中的材料的方法,特别是旨在减少这种炉的启动时间。 炉(2)在使用期间限定了用于熔融金属的容器,该容器在该容器中具有熔融金属的最大深度。 用于炉内的熔融金属的流动发生器(30)通过第一导管(32)进料,并通过第二导管(36)将材料返回到炉中。 第一导管入口设置在容器中熔融金属的最大深度的上部60%中,和/或第二导管出口设置在容器中的熔融金属的最大深度的25%内。 流动发生器可以优选地从容器的周边和/或直接材料朝向容器的中心接收材料。 流量发生器的入口和出口我朝向容器向下倾斜。 所有这些特征都改善了炉内的热传递和物料循环。