单螺杆式冷水机组中油压差控制器监控设计探讨  

Study on monitoring design of oil pressure differential controller of single screw chiller

作　　者：张兆华[1] 

机构地区：[1]江苏春兰动力制造有限公司

出　　处：《制冷与空调》2014年第8期36-37,59,共3页Refrigeration and Air-Conditioning

摘　　要：介绍单螺杆式冷水机组中油压差控制器的作用,以及油压差控制器在机组回油系统中的设计,并通过实例对设计方案进行分析比较,排除油压差控制器频繁报警现象,总结油压差控制器在系统设计过程中应注意事项。The function of oil pressure differential controller of single screw chiller and the design of oil pressure differential controller in unit＇s oil return system are introduced.Through the analysis and comparison on a project of design scheme,this design has less alarm phenomenon.At the same time,some precautions in the design processing of oil pressure differential controller are summarized.

关 键 词：冷水机组 油压差控制器 压力损失 质量流量 

分 类 号：TB657[一般工业技术—制冷工程]