暖通空调设计计算书

暖通空调设计计算书2021届建筑环境与设备工程毕业设计目录第一章设计资料.............................................................51.1设计题目...............................................................51.2设计任务和目的.........................................................51.3设计原始资料...........................................................51.3.1土建资料...........................................................51.3.2建筑概况...........................................................51.3.3气象资料...........................................................51.3.3动力资料...........................................................61.3.4围护结构资料.......................................................6第二章供热系统热负荷计算....................................................92.1确定室内设计温度......................................................92.2房间耗热量............................................................92.3通过围护结构的耗热量.................................................102.3.1围护结构的基本耗热量.............................................102.4围护结构附加耗热量...................................................122.4.1朝向修正耗热量...................................................122.4.2风力附加耗热量...................................................122.4.3外门附加耗热量...................................................122.4.4高度附加耗热量...................................................122.5冷风渗透耗热量的计算：...............................................132.5.1按缝隙法计算多层建筑的冷风渗透耗热量.............................132.5.2用换气次数法计算冷风渗透耗热量...................................142.5.3用百分数法计算冷风渗透耗热量.....................................142.6冷风侵入耗热量.......................................................152.7户间传热.............................................................152.8供暖设计负荷计算举例.................................................162.9总计算负荷与值班负荷.................................................18第三章供暖系统的选择.......................................................193.1.供暖系统的分类.....................................................193.2供暖热媒的选择.......................................................193.3供暖热源的选择.......................................................193.4供暖方案的提出.......................................................193.5典型供暖系统型式的比较...............................................1912021届建筑环境与设备工程毕业设计3.6供暖形式的提出和比较：...............................................203.6.1技术可行性及经济可行性比较.......................................203.6.2方案的确定......................................................203.7供暖管路的布置.......................................................20第四章供暖系统的散热设备..................................................234.1散热器的选择.........................................................234.1.1高压铸铝散热器...................................................234.2散热器的计算.........................................................244.2.1散热面积的计算...................................................244.2.2散热器内热媒平均温度tpj计算......................................254.2.3散热器计算举例..................................................264.3散热器的布置.........................................................264.4暖风的选择...........................................................264.4.1暖风机的选型计算.................................................264.5暖风机的布置.........................................................284.6热风幕的选型.........................................................284.6.1大门空气幕的计算.................................................284.6.2热风幕的选型.....................................................28第五章水力计算.............................................................315.1室内热水供暖系统管路水力计算的基本原理...............................315.2室内热水供暖系统并联环路的压力损失最大不平衡率控制...................315.2.1并联环路的压力损失不平衡率控制...................................315.2.2并联环路流速限制.................................................315.3.3水利计算举例.....................................................32第六章系统定压方式选择....................................................356.1用户支管定压.........................................................356.2热水供热系统定压方式................................................356.2.1膨胀水箱定压.....................................................356.2.2普通补水泵定压...................................................356.2.3气体定压罐定压...................................................356.2.4蒸汽定压.........................................................356.2.5补水泵变频调速定压...............................................356.2.6自来水定压.......................................................356.2.7溢水定压形式.....................................................3622021届建筑环境与设备工程毕业设计6.3本设计的定压方式.....................................................36第七章换热站的选型及计算................................................377.1换热器的选择.........................................................377.1.1换热器的分类.....................................................377.1.2换热器的选型及计算...............................................377.2循环水泵的选择.......................................................387.2.1循环水泵的选择原则...............................................387.2.2循环水泵参数的确定...............................................397.3补水泵的选型及计算...................................................397.4全自动软水装置的选择.................................................407.5软化水箱的选择.......................................................40第八章辅助设备的选择.......................................................418.1除污器...............................................................418.2供暖管道.............................................................418.3阀门.................................................................418.4管道的放气排水装置...................................................418.5补偿器...............................................................428.5.1套管补偿器.......................................................428.5.2套管补偿器伸长量计算.............................................428.6管道支座.............................................................43第九章保温及防腐...........................................................459.1管道的保温...........................................................459.2管道的防腐...........................................................46第十章热计量.............................................................49附表1......................................................................51附表2......................................................................67附表3......................................................................72附表4......................................................................73附表4-1....................................................................82附表5......................................................................90附表5-1....................................................................95总结.......................................................................97参考文献...................................................................98致谢.......................................................................9932021届建筑环境与设备工程毕业设计42021届建筑环境与设备工程毕