《苹果冷藏库设计方案 》

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1、<学生文档>苹果冷藏库设计方案-15-<学生文档>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················································2二、冷库热工负荷计算1.冷库整体设计要求··················································22.冷

2、库尺寸计算······················································23.冷库的长宽计算··················································34.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············································32.计算货物耗冷量Q2·······································

3、·········4四、设备选型的依据1.压缩机组的选型··················································42.冷风机的选-15-<学生文档>型·····················································73.膨胀阀的选型·····················································94.冷库电控箱的选型················································105.库门选型····················

4、····································116.库灯的选择·······················································12五、备材料明细表··················································13六、图纸1.冷库房模型······················································142.冷库平面图······················································143.制冷原理图

5、······················································154.电气控制图······················································15七、结论··························································16八、参考文献·····················································16-15-<学生文档>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

6、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-<学生

7、文档>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3.0m。3.冷库的长宽计算因冷库库板采用彩钢板，维护库板的尺寸为1000×1