对配组式双级压缩制冷系统热力循环的计算与分析  

Analysis and calculation of thermodynamic cycle about two-stage compression refrigeration system

作　　者：关朋 赵凯 翟百强 吴岭 张雁斌 

机构地区：[1]开封空分集团制冷设备工程公司 [2]开封空分集团安装工程有限公司 [3]开封空分集团板翅式换热器分厂

出　　处：《制冷与空调》2007年第2期43-47,共5页Refrigeration and Air-Conditioning

摘　　要：利用由多台螺杆压缩机组成的配组式双级压缩制冷系统,在高压级、低压级压缩机理论输气量之比不同的运行工况下,对其进行热力计算与分析,并对制冷量、轴功率、单位轴功率制冷量作综合的比较与分析。Through two-stage compression refrigeration system composed by multi-screw compressor,When the ratio of theoretical displacement of high pressure stage and low pressure stage is differently, calculates and analyzes the thermodynamic cycle. Compares and analyzes refrigerating capacity, shaft power and refrigerating capacity per shaft power.

关 键 词：双级压缩制冷系统 螺杆压缩机 中间压力 中间温度 输气系数 制冷量 电机功率 单位轴功率制冷量 

分 类 号：TB65[一般工业技术—制冷工程]