closed-circuit cooling

Closed-loop soft water cooling system shall be controlled fully automatically and necessary consideration shall be taken on such critical aspects as anticorrosion measures, water quality, control on water temperature difference ( At) and hot load ( Q) to assure normal operation of the system.

软水密闭循环冷却系统应实现全自动控制，考虑必要的防腐措施、水质问题，水温差（Δt）和热负荷（Q）参数的控制等关键因素，以保证系统的正常运行。

Development on Vacuum Valve for Closed Container of Thermoelectric Cooling Video Camera

热电制冷摄象机密封腔真空阀的研制

The study shows that the molybdate combined inhibitor is applicable for the quality stability of soft water closed circulation system as well as low hardness cooling water system.

研究表明，钼系复合配方对闭路软水及低硬度循环水的水质稳定，有重要应用价值。

Closed circulating process of cooling water in crystallizer of chloroactic acid

氯乙酸结晶釜冷却水封闭循环工艺

The author puts forward the following opinions on several discussible problems of closed loop soft water cooling system for blast: furnace.

作者针对高炉软水密闭循环冷却系统存在的几个可讨论性问题提出了如下观点：冷却介质采用软水或纯水都是可靠的；