Chassix project man- ager Frank Burton at the new cooling tower and its pumps.
Chassix公司项目经 理Frank Burton在新 的冷却塔和泵前。
Cooling System Basics Induction furnaces of all types and sizes normally are
cooled by water flowing through the furnaces’ coils, which are made of heavy copper tubing. Tese coils generate high levels of heat, principally from the enormous electrical cur- rents flowing through them and only to a much lesser extent from heat produced by the molten metal held in the furnace. Induction power supplies also require water cooling of their electrical components. Without an effective cooling system, induction furnaces will not operate. At its most basic level, an induction furnace cooling
system includes pumps circulating water through the furnace to absorb heat and on to a cooling tower where that heat is released. But to be safe and effective, a cooling system must incorporate a variety of vital subsystems. Tese include: • Filters and other devices to keep the water clean and flowing.
• Heat exchangers, inline heaters and cold water diversion valves to maintain the optimal water temperature.
• Automatic city water makeup to keep the cooling system full.
• Flow sensors, pressure gauges, thermometers, water meters, and other monitoring and control devices needed to be sure it’s all working properly.
通常，所有类型和尺寸的感应炉是由流经炉体线圈的水 冷却，线圈由重型铜管绕制。这些线圈产生的高热，主 要由流经其中的巨大电流所产生，仅有少部分由炉体内 的熔融金属的热辐射导致。感应熔炼系统电源的电气部 件也需要水冷却。如果没有有效的冷却系统，感应炉将 无法运行。
感应炉冷却系统的最基本配置包括泵和冷却塔，循环 水在流经炉体时吸收热量，流经冷却塔时热量被释放。 但为了安全和有效，冷却系统必须包含各种重要的子系 统。这些包括：
•过滤器及辅助装置，以保持水的清洁和流动。 •换热器，内嵌式加热器和冷水分流阀，以保持最佳的 水温。
•自动的自来水补水装置，以保持冷却系统充满。 •流量传感器，压力表，温度表，水计量表，及其他确保 正常工作所需的其他监测和控制装置。
•应急备用系统，泵故障或停电的情况下保持炉体冷却。 由于冷却系统是如此重要，当Chassix公司的系统在
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FOUNDRY-PLANET.COM | MODERN CASTING | CHINA FOUNDRY ASSOCIATION September 2014
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