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    • 9. 发明申请
    • ELECTRIC FURNACE
    • 电炉
    • WO1997028409A1
    • 1997-08-07
    • PCT/JP1997000217
    • 1997-01-30
    • NIKKATO CORP.NAKATANI, MasanoriABE, TakeshiKAWANAMI, Toshio
    • NIKKATO CORP.
    • F27D11/02
    • H05B3/64F27B17/00F27D11/02H05B3/141H05B3/62
    • An electric furnace comprising a heating element formed of lanthanum chromite based hollow ceramics and opened at both ends thereof and having such terminal portions that a cross-sectional area of the ceramics at surfaces of both ends thereof perpendicular to a lengthwise direction are made larger than that of the ceramics at a surface of a central portion thereof perpendicular to the lengthwise direction and having electrodes for high temperature and metallic lead wires mounted to the terminal portions to make an intermediate portion between the terminal portions a heating portion, a heat insulator fitted over the heating element, and a hollow ceramics body mounted in a hollow portion of the heating element with a hollow portion thereof serving as an effective heating chamber. The electric furnace is a small-sized one which is stably usable even at 1400 DEG C or higher, and is excellent in durability, profitability and handling property.
    • 一种电炉,包括由亚铬酸镧基中空陶瓷形成并在其两端开口的加热元件,并且具有这样的端部,使得其两端的表面垂直于纵向方向的陶瓷的横截面积大于 的陶瓷在垂直于长度方向的中心部分的表面上并且具有安装到端子部分的高温金属引线的电极,以在端子部分之间形成加热部分的中间部分, 加热元件和安装在加热元件的中空部分中的中空陶瓷体,其中空部分用作有效加热室。 电炉是小型的,即使在1400℃以上也能够稳定地使用,耐久性,盈利性和处理性优异。