苹果冷藏库设计方案(2).pdf

苹果冷藏库设计方案 目录 一、设计基本资料 1. 设计目的· ·························································2 2. 设计项目· ·························································2 3. 冷库室内外设计参数· ···············································2 二、冷库热工负荷计算 1. 冷库整体设计要求· ·················································2 2. 冷库尺寸计算· ·····················································2 3. 冷库的长宽计算· ·················································3 4. 库板厚度计算· ···················································3 三、库房冷负荷的计算 1. 计算围护结构耗冷量 Q1············································3 2. 计算货物耗冷量 Q2················································4 四、设备选型的依据 1. 压缩机组的选型· ·················································4 2. 冷风机的选型· ····················································7 3. 膨胀阀的选型· ····················································9 4. 冷库电控箱的选型· ···············································10 5. 库门选型· ·······················································11 6. 库灯的选择· ······················································12 五、备材料明细表· ·················································13 六、图纸 1. 冷库房模型· ·····················································14 2. 冷库平面图· ·····················································14 3. 制冷原理图· ·····················································15 4. 电气控制图· ·····················································15 七、结论· ·························································16 八、参考文献 ·····················································16 一、设计基本资料 1. 设计目的： 通过本设计初步了解建筑与设备工程的设计内容， 了解 设计计算的步骤和方法， 懂得识图和制图， 学会查找设计规范和设计 手册。通过设计掌握有关冷库制冷工艺设计的内容、 程序及基本原则 和制冷工艺设计计算方法并提高绘制设计图纸的能力。 2. 设计项目： 30t 苹果冷库设计 3 . 冷库室内外设计参数 库房名称 相对湿度 温度 苹果冷库 85% 0 ℃ 柳州室外 84% 30.3 ℃ 地坪 85% 25 ℃ 二、冷库热工负荷计算 1. 冷库的整体设计要求 设计一个水果冷库， 产品为晚熟苹果， 进库温度 25℃，库温