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    • 60. 发明公开
    • Indirect heating furnace for the surface treatment of a metal or the like employing a salt bath
    • 烘箱与金属表面处理的间接加热等使用盐熔体。
    • EP0072525A1
    • 1983-02-23
    • EP82107252.7
    • 1982-08-10
    • KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    • Arai, TohruTakahashi, Susumu
    • C21D1/46H05B3/60
    • H05B3/60C21D1/46
    • An indirect heating furnace for the surface treatment of a metal or the like, employing a salt bath, comprises a furnace body (1), provided with a concave portion (11) containing a thermal medium (2) mainly composed of a chloride, and a heat-resistant vessel (3) placed in the concave portion, which contains a treatment material (4) mainly composed of a borate, and at least one pair of electrodes (12) embedded in the side wall of the concave portion (11) adjacent to the bottom portion thereof. The electrodes heat the thermal medium which in its turn heats the surface treatment material. The temperature of the surface treatment material is easily raised within a short period of time so as to extend the actual useful life of the treatment material even at a temperature as high as about 1,200°C.
    • 用于金属等的表面处理的间接加热炉,采用盐浴,包括炉本体(1),设置有包含热媒体的凹部(11)(2)主要成分为氯化物,和 一个耐热容器(3)在凹部放置,其中包含一个处理材料(4)主要由硼酸盐,和至少一对电极(12)嵌入在所述凹部的侧壁(11) 邻近其底部。 电极加热这反过来加热表面处理材料的热介质。 表面处理材料的温度容易在短时间周期内提升,从而即使在温度高达延长治疗材料的实际使用寿命为大约1200℃。