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    • 2. 发明授权
    • Cooling system for a metallurgical furnace
    • 冶金炉冷却系统
    • US06793874B2
    • 2004-09-21
    • US10258240
    • 2002-10-22
    • Giang Kien LyRobert Schmeler
    • Giang Kien LyRobert Schmeler
    • C21C500
    • C21B7/103
    • A cooling system for a blast furnace includes a cooling circuit (10) closed by a return line (16) and at least one circulation pump (26, 26′, 26″) for circulating cooling water through the closed cooling circuit. An emergency feed line (36) with an emergency feed valve (38), which opens in case of a power failure, is connected to the cooling circuit (10). An emergency overflow valve (68) is located at the highest point of the closed cooling circuit (10). This emergency overflow valve (68) opens in case of a power failure, so that the closed cooling circuit (10) becomes an open cooling circuit (10) with an atmospheric pressure discharge at its highest point. A pressure vessel (34), which is connected to the emergency feed line (36), contains a certain volume of emergency water which is pressurised by a gas, so that, in case of a power failure, an emergency water flow establishes through the open cooling circuit (10).
    • 一种用于高炉的冷却系统包括由回流管线(16)封闭的冷却回路(10)和用于使冷却水循环通过闭合冷却回路的至少一个循环泵(26,26',26“)。 具有紧急供给阀(38)的紧急供给管线(36)在断电的情况下打开,连接到冷却回路(10)。 紧急溢流阀(68)位于封闭冷却回路(10)的最高点处。 这种紧急溢流阀(68)在断电的情况下打开,使得封闭冷却回路(10)成为其最高点大气压力排放的开放冷却回路(10)。 连接到紧急供给管线(36)的压力容器(34)包含一定量的由气体加压的应急水,使得在停电的情况下,紧急水流通过 开放冷却回路(10)。