苹果冷藏库设计方案

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1、苹果冷藏库设计方案班级：2009制冷与冷藏技术班姓名：黄雅雄唐艳珍学号：2009021201120090212008指导老师：蒋文胜日期：2011年6月1日-15-目录一、设计基本资料1.设计目的··························································22.设计项目··························································23.冷库室内外设计参数····································

2、············2二、冷库热工负荷计算1.冷库整体设计要求··················································22.冷库尺寸计算······················································23.冷库的长宽计算··················································34.库板厚度计算····················································3三

3、、库房冷负荷的计算1.计算围护结构耗冷量Q1············································32.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··················································42.冷风机的选-15-型·····················································73.膨胀阀的选

4、型·····················································94.冷库电控箱的选型················································105.库门选型························································116.库灯的选择·······················································12五、备材料明细表··················

5、································13六、图纸1.冷库房模型······················································142.冷库平面图······················································143.制冷原理图······················································154.电气控制图···································

6、···················15七、结论··························································16八、参考文献·····················································16-15-一、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

7、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0℃，库容为40%，每天的进货量是10t/24h，采用组拼装式冷库，制冷系统为氟利昂制冷系统。苹果的冷藏条件：贮藏温度1℃相对湿度为85%-90%O2的含量为1.5%CO2的含量为1%贮藏期为120天-15-2.冷库尺寸计算根据公式：吨位=冷库容积×库容率×食品比重式中G—冷库计算吨位（t）；V1—冷

8、库的容积（m3）；η—库容率；ρs—食品的比重（t/m3）根据《冷库设计规范》表3.0.5查得水果的密度为ρs=230kg/m3根据《冷库设计规范》表3.0.3初步估计其η=0.4得到冷库的公称体积V=326m3冷库高度的确定：净高为