由于疏水阀泄漏和凝结水箱与水泵的同标高布置等原因，该系统不能正常运行，成为集中跑汽排水的开式系统。
Because of trap leaking and condensed water tank and pump being installed at the same elevation, the system didn't run normally and became a open one leaking steam largely.
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.
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