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ABSTRACT ·······························································Ⅴ
1 前 言 ····································································1
2 工程概况
2.1 原始资料·································································2
2.2 计算参数·································································2
2.2.1 室外计算参数 ·························································2
2.2.2 室内计算参数··························································2
2.2.3 其他设计参数··························································2
2.2.4 房间编号······························································3
3 设计方案的论证
3.1 酒店综合楼的空调特点·····················································4
3.2 方案比较·································································4
3.3 方案的确定·······························································7
3.4 风机盘管机组的结构和工作原理·············································7
4 空调冷负荷计算
4.1 冷负荷构成及计算原理·····················································9
4.1.1 围护结构瞬变传热形成冷负荷的计算方法·································10
4.1.2 透过玻璃窗的日射得热引起的冷负荷·····································10
4.1.3 设备散热形成的冷负荷·················································10
4.1.4 照明散热形成的冷负荷 ················································11
4.1.5 人体散热形成的冷负荷·················································11
4.2 新风冷负荷······························································11
4.3 湿负荷 人体散湿量······················································12
4.4 各层房间负荷计算························································12
4.5 各房间送风状态的确定····················································12
4.5.1 方案 ································································12
4.5.2 各个房间的新风量及新风负荷的确定·····································13
4.6 制冷系统负荷的确定······················································13
5 风机盘管加新风系统选型计算
5.1 风机盘管系统选型计算····················································15
5.2 新风机组选型····························································17
6 空调机组的选型·························································18
7 水系统的设计计算
7.1空调水系统的确定·························································19
7.2空调水系统的布置·························································19
7.3风机盘管水系统水力计算···················································20
7.3.1 基本公式····························································20
7.3.2 各层的冷冻水供回水管路水力计算······································21
7.3.3 空调风机盘管水系统凝水管考虑········································23
7.3.4 风机盘管系统的水系统················································24
8 空调风系统
8.1 空调房间气流组织························································26
8.2 风口的布置······························································26
8.2.1 新风入口注意事项····················································26
8.2.2 风道的布置和制作要求················································26
8.2.3 百叶送风口的选择步骤················································26
8.3 风口的选择······························································27
8.3.1 气流组织设计计算····················································27
8.3.2 新风设计计算························································30
9 制冷机房各种设备的选择
9.1 制冷机组的选择··························································33
9.1.1 机组的选型··························································33
9.1.2 机组的选型计算······················································33
9.2 分水器和集水器的选择····················································33
9.2.1 分水器和集水器的构造和用途··········································33
9.2.2 分水器和集水器的尺寸················································34
9.3 补水定压系统的选型与计算················································35
9.3.1 补给水箱的选型和计算················································35
9.3.2 补给水泵的选型和计算················································35
9.4 水泵的选型和计算························································36
9.4.1 冷冻水泵的选型和计算················································36
9.4.2 冷却水泵的选型和计算················································37
9.4.3 冷冻水泵配管布置····················································38
9.4.3 冷却塔选型··························································38
10消声减振方面的设计考虑
10.1概述····································································39
10.2消声设备选型····························································39
10.3空调装置的防振··························································39
11管道保温设计的设计考虑
11.1保温管道防结露··························································40
11.2保温材料的选用··························································40
11.3保温度材料的经济厚度····················································40
12 结论····································································41
谢辞·······································································42
参考文献···································································43
附录 ······································································44
附录1冷负荷汇总····························································44
附录2热负荷的计算··························································45
附录3管路水力计算··························································49
摘 要
本设计为上海华信国际大酒店空调工程设计，本人负责地下一层和四层部分。通过方案比较，在负荷计算的基础上，采用了风机盘管加新风和全空气两种空调系统形式。风机盘管为卧式暗装，新风不承担室内负荷，室内回风与新风混合后经双层百叶风口送出；全空气系统为一次回风系统，室内送风采用侧送风方式，风口为双层百叶风口。新风从墙洞或新风竖井引入，再由机房的新风机组集中处理供应。冷冻水由地下室的冷冻机房供应，采用了闭式异程两管制水系统。水管用泡沫橡塑保温，风管采用离心玻璃棉。设计工程中考虑了消声、减振和防火排烟的措施。
关键词：空调；风机盘管加新风系统；全空气系统；新风