KA20C-50制冷机经济器改造可行性论证  

Argumentation of economizer transformation in refrigerating units

作　　者：蔡栋[1] 张树森[1] 关盛军[1] 邢杰[1] 

机构地区：[1]大庆油田有限责任公司,黑龙江大庆163457

出　　处：《华北电力大学学报（自然科学版）》2003年第5期125-127,共3页Journal of North China Electric Power University：Natural Science Edition

摘　　要：阐述了经济器螺杆制冷循环系统的工作原理和特点,并通过普通螺杆制冷机组、一级节流及二级节流经济器螺杆制冷机组的制冷能力对比,分析国产KA20C-50制冷机组加装经济器改造的可行性,对现有老制冷机组的挖潜改造具有重要的指导意义。Introduces the refrigeration circulation system's performing theory and characteristics of the rotary screw compressor units with economizer. Compares the refrigerating capacity of normal, first stage throttling economizer and second stage throttling economizer units. Analyzes the feasibility of installing economizer in homemade KA20C-50 units. It's important guide to the redevelopment of the used units.

关 键 词：KA20C-50型 制冷机 经济器 技术改造 可行性 

分 类 号：TB651[一般工业技术—制冷工程]