供热工程课程设计

摘要设计名称学院专业班级姓名学号指导教师设计时间JilinJianzhuUniversity

课程设计计算书

供热工程课程设计市政与环境工程学院城市燃气工程

2015.7.03第1页吉林建筑大学本科毕业设计摘要本次设计的是拉萨市某六层两单元住宅区的热水供暖系统。针对该住宅楼的功能要求和特点，以及该地区气象条件和供暖要求，参考有关文献资料对该楼的热水供暖系统进行了概况分析、设计计算和方案布置。

本系统为单户循环采暖系统。采暖方案是采暖系统采用室外同程式，室内异程式，室内为单管跨越式。关键词

住宅；采暖；设计

第2页目录目录摘要....................................................................................................................................................1第1章设计概况..................................................................................................................................3第2章设计负荷..................................................................................................................................42.1计算参数.................................................................................................................................42.2室外气象参数.........................................................................................................................42.3室内空气计算参数·····················································································42.4房间围护结构传热耗热量计算............................................................................................42.5冷风渗透耗热量.....................................................................................................................42.6冷风侵入耗热量························································································52.7整个建筑或房间总耗热量············································································52.8附加修正耗热量.....................................................................................................................52.8.1朝向修正........................................................................................................................62.8.2风力附加修正·····················································································62.8.3房高附加修正................................................................................................................62.8.4通过维护结构的总传热耗热.......................................................................................62.9地面传热带的划分·····················································································72.10散热器计算...................................................................................................................................82.10.1散热器面积的计算...........................................................................................................82.10.2散热器内热媒的平均温度...............................................................................................82.10.3散热器的传热系数·················································································82.10.4散热器片数的计算·················································································9第3章方案布置................................................................................................................................103.1方案选择...............................................................................................................................10第4章水力计算................................................................................................................................114.1系统原理图...........................................................................................................................114.2系统水力计算.......................................................................................................................124.2.1选择最不利环路..........................................................................................................124.2.2最不利环路的作用压力.............................................................................................124.2.3确定最不利环路管段管径.........................................................................................12参考文献..............................................................................................................................................14附录..................................................................................................................................................15第3页吉林建筑大学本科课程设计第1章设计概况本次设计的任务是拉萨市某住宅楼的室内采暖系统设计，每层两个单元，每单元两个住户。具体设计的步骤有：冷、热负荷的计算，散热器的选择，散热器片数的计算，系统的设计方案，水力计算，设备的选型与布置，平衡计算等。系统与室外管网连接，该工程采用接外热网机械循环下供下回式热水供暖系统，单管跨越式。

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