This is what is called a closed cooling system.
这也叫做封闭式的制冷系统。
This article introduces the ways of leak detection and equipments for closed cooling system with soft water for BF and the flow characteristics of the cooling system.
本文介绍了高炉软水密闭循环冷却系统泄漏监测方法和设备，以及软水密闭循环冷却系统水流特性。
The closed cooling system for the treated water provided with a air cooler can improve coo-ling effect. It becomes an important measure to increase the blast furnace campaign.
配备有空气冷却器的软水闭路循环冷却系统改善了高炉循环水的冷却状态，是延长高炉冶炼寿命的一项重要措施。
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