文章介绍了上世纪七、八十代土建冷库的现状,着重解释了现代冷库螺杆机组、油冷却系统及热虹吸器的工作原理、蒸发式冷凝器及其安装设计等几个新技术新工艺,表明了冷库制冷新技术新工艺的发展促进了制冷专业的实践教学,对高职院校同类专业实践教学具有借鉴意义。 This paper introduces the status quo of civil refrigerating warehouses in the 70th and 80th centuries in the last century, and emphatically explains the working principle of the modern refrigerating screw units, the oil cooling system and the thermosyphon, several new technologies and new technologies such as the evaporative condenser and its installation design, It shows that the development of new technology and refrigeration refrigeration technology promotes the practice teaching of refrigeration specialty and has reference significance for the practice teaching of similar specialty in higher vocational colleges.