摘要: 本人的毕业设计题目是1200t土建式冷库设计。首先为了满足1200t土建式冷库的设计要求,我根据建筑工艺的要求和冷藏库的功能等确定了冷藏间的房间数量及平面尺寸大小和房间的高度。通过阅览资料,领悟到所设计的冷库在建筑材料方面主要采用砖墙、钢筋混凝土梁、柱和板建成。在制冷方面,考虑到经济和环保问题,采用氨制冷剂;由于氨泵供液相对稳定,所以此次设计选用氨泵供液。冷分配的设备选用冷风机。此次设计的冷库用来冻结与冷藏肉类食品,所以设计不考虑冷藏间和冻结间通风换气,但是地坪采用的是炉渣并装设通风管。 方案确定之后,我将根据所学到的知识,计算出冷库的冷负荷,并根据冷库的冷负荷选定制冷压缩机,以及冷凝器、冷风机、中间冷却器等各种设备。在完成选型后,进行机房的布置,管道的布置,设备保温等等。76288
毕业论文关键词: 土建式冷库;制冷案的确定;冷库负荷计算;制冷压缩机;管道设计;冷凝器
1200 Tons Of Civil Type Refrigerator Design
Abstract: My graduation design topic is the 1200t Civil Engineering Type Refrigerating House Design。 First of all to meet the requirement of 1200t civil engineering type refrigerator, I according to the requirement of the construction process and the function of the cold storage and so on。 In the aspect of refrigeration, considering the environmental and economic problems, using ammonia refrigerants, due to the ammonia pump for liquid to stability, so this design also selected for liquid ammonia pump。 The rolls cold distribution equipment adopts air cooler。 The design of cold storage for food freezing and cold storage of pork, so this design does not consider a refrigeration and freezing room ventilated take a breath, but the floor USES is slag and installing ventilation tube。 After determine the scheme, I will be according to the learned knowledge to calculate the cooling load of the refrigerator and according to the cooling load of cold storage refrigeration compressor, and the cooling fan, condenser, intercooler and other equipment。 After complete the selection, then go to the pipe arrangement, the layout of the room, equipment insulation, etc。
Keywords: Civil engineering type refrigerator;Scheme determination;Cold storage load calculation;Refrigeration compressor;Piping design;Condenser
目 录
1 绪论 1
1。1 课题的目的和意义 1
1。3 国内冷库的发展趋势 2
2 总体方案设计 3
2。1 冷库的布置 3
2。2 冷库的选材 5
2。2。1 隔热材料的选择 5
2。2。2 防潮层的材料选择 6
2。3 制冷系统方案的确定 6
2。3。1 制冷剂的选择 6
2。3。2 压缩级数的确定 7
2。3。3 制冷机组型式的选择 7
2。3。4 冷凝器型式的选择 7
2。3。5 供液方式的确定 7
2。3。6 蒸发回路的确定 8
2。3。7 冷却方式的确定 8
2。3。8 融霜的确定 8 1200t土建式冷库设计+CAD图纸:http://www.youerw.com/gongcheng/lunwen_87515.html