R717双蒸发温度回路三级混流制冷系统的研究设计  

Research and design on a three-stage refrigeration system with double evaporating circuits using R717

作　　者：谢堃[1] 刘天玉[2] 王丰兴 葛茂泉[1] 

机构地区：[1]上海海洋大学食品学院,上海200090 [2]烟台大学海洋学院,烟台264005 [3]山东蓬莱京鲁渔业有限公司,蓬莱265609

出　　处：《低温与超导》2009年第2期56-59,共4页Cryogenics and Superconductivity

基　　金：山东省科技攻关计划项目(鲁科计字(2007)199号)资助

摘　　要：基于降低初投资、节约能源、与环境友好及符合国情的原则,从制冷剂选用和制冷系统构成两个方面,探究"超低温"冷库制冷系统的设计方案和适用技术路线,完成了以天然工质氨为制冷剂,双蒸发温度回路三级混流制冷系统的可行性研究及其关键设备的开发设计,并以此建造了具有-30℃和-60℃库温,库容分别为30吨和200吨双冷间的"超低温"实验冷库。试运行半年,完全达到设计要求,已通过山东省科技厅专家组技术鉴定。Based on the principles of reducing the initial investment, saving energy, protecting environment and according with the situation of our country, the design scheme and applicable technical route for a ultra - low temperature refrigeration warehouse system were discussed through selecting refrigerant and the configuration of the refrigeration system. A three - stage refrigeration system with double evaporating temperature circuits using R717 was explored. The ultra- low temperature refrigeration warehouse has two storehouses with the capacity of 30t and 200t, and room temperature -30℃ and -60℃, respectively. After half a yearg running, it was approved by the experts group from Shandong Science and Technology Office that the ultra - low temperature refrigeration warehouse can meet the design requests.

关 键 词：超低温冷库 R717 气液分离热交换器 双温混流低压循环桶 

分 类 号：TB65[一般工业技术—制冷工程] TB657