主要介绍了开式冷却塔水系统节能措施改造的技术难点、解决方法、试验效果以及进一步完善方案。
Technical difficulties, solutions and test results in energy-saving technical transformation of the open cooling column system are mainly introduced with the project further perfected.
推导出了开式冷却塔并联运行时底部所设平衡管管径的计算公式，分析了开式冷却塔并联运行时出现溢漏现象的原因。
This paper deducts the formula of balanced pipe diameter and analyzes the cause of overflow phenomenon when opening cooling-tower operates with parallel connection.
指出集中空调冷却水系统为开式系统，一般不适用功率三次方定律，静压头应为冷却塔塔体扬程，并提出了冷却水泵变速时轴功率的计算公式；
Points out that the cubic law of pump power is not valid for the cooling water system of central air conditioning for it is an open system. The static head should be the lift in a cooling tower.
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