冻干机设计+CAD图纸+文献综述
目前工业中使用的冻干机体型都比较大，而本次设计的为小型冻干机，包含了其最主要的几个部分，比如冻干箱，水汽凝结器，控制系统等，可以基本满足冻干机的一个简单工作流程，这期间的工作主要是选型，凭自己对冻干机的了解，对各个部分进行一个拼接，自己发挥的程度比较大。
毕业论文关键词：冻干机、冷冻、干燥、系统
Design of the Lyophilizer
Abstract:Lyophilizer , the full name is vacuum freeze dryer,which is including cooling, drying, heating, electrical and control system. Because it has its unique drying method that has been widely used in the fields of medicine, biology, medicine, agriculture and so on,even in molecular biology, gene engineering, new biomedical, the new preparation of traditional Chinese medicine, high-quality convenient food, archeology, powder materials, manufacturing, and other fields.
The industrial use of freeze dry machine body are relatively large,and this time design for small-sized freeze drying machine, contains the several parts of the main, such as freezing and drying box, water vapor condenser, control system can basically meet the freezing and drying machine and a simple workflow, this period selection, by our own understanding of freeze dryer, of each part of a mosaic,play to their degree is relatively large.
Key words: Lyophilizer freeze dry system
目录
1.绪论 1
1.1真空冷冻干燥的原理 1
1.2真空冷冻干燥发展方向 1
2.真空冷冻干燥的理论基础 3
2.1冻干的优点 3
2.2冻干的应用 3
2.3冷冻干燥的基本过程: 4
2.4制品冷冻的物理基础 6
2.5冻干制品溶液的共熔点和共晶点 7
2.6冻干曲线制定过程 9
3.冻干机结构的设计 11
3.1.设计基本要求 12
3.2冻干箱的设计 12
3.2.1筒体的设计 12
3.2.2法兰的设计 16
3.2.3测温热电偶的设计 17
3.2.4分液器组件的设计 17
3.2.5真空规管的设计 21
3.2.6搁板的设计 21
3.2.7搁物架架体的设计 22
3.2.8观察窗的设计 22
3.2.9放气阀的设计 23
3.2.10冻干箱箱门铰链及锁紧装置设计 24
3.2.11冻干箱保温层的设计 26
3.2.12冻干箱热负荷的计算 27
3.2.13冻干箱工况的计算 29
3.3水汽凝结器的设计 30
3.3.1水汽凝结器的要求 30
3.3.2水汽凝结器的结构 31
3.3.3水汽凝结器筒体内径计算 31
3.3.4封头的设计 32
3.3.5水汽凝结器所需传热面积的计算 32
3.3.6水汽凝结器所需冷量的计算 33
3.4真空系统设计 34
3.4.1真空泵的选择 35
3.5制冷系统 36
3.5.1阀门的选择 37
3.5.2压缩机的选择 38
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