本 科 毕 业 设 计 论 文
题 目 系 别 专 业 班 级 学号 学生姓名 指导老师
摘要
本文的论述意图是，较为系统地审视地源热泵的技术。在介绍地源热泵种类的基础上，探析地源热泵的技术特点，展示出不同热源种类的热泵各自技术的特征。并结合节能与环保概念解析地源热泵的技术特点，透视地源热泵的应用和未来发展。
关键词：地源热泵,热泵技术, 水资源利用, 空调系统
ABSTRACT
This paper is intended to systematically review the ground-source heat pump technology.Introducing the ground source heat pump types, based on the Analysis of the technical characteristics of ground source heat pump, demonstrating the different types of heat pump respective technical characteristics.Combined with the technical characteristics of energy saving and environmental protection concept of the ground source heat pump,Perspective ground source heat pump applications and future development.
KEY WORES:Ground-Source Heat Pump ,
Heat PumpTechnology , Water Resources Utilization , Air-conditioning System
目 录
1 设计依据
1.1 建筑平面图和剖面图 ............................................................................................................ 1 1.2 国家主要规范和行业标准 .................................................................................................... 1 1.3 设计范围 ................................................................................................................................ 1 1.4 建筑围护结构的热工性能 .................................................................................................... 1 1.5 设计原则 ................................................................................................................................ 2 1.6 设计参数 ................................................................................................................................ 2 2 空调冷负荷计算
2.1 空调冷负荷的计算 ................................................................................................................ 3 2.2 冷负荷的计算示例 ................................................................................................................ 5 3 新风负荷计算
3.1 新风量的确定 ........................................................................................................................ 9 3.2 夏季空调新风冷负荷的计算 ................................................................................................ 9 4 系统选择
4.1 空调系统的选择 .................................................................................................................. 10
4.1.2空调系统方案的比较 ................................................................................................. 10 4.2 空调系统方案的确定 .......................................................................................................... 12 5 空气处理设备的选择
5.1 新风机组的选择 .................................................................................................................. 13 5.2 风机盘管的选择 .................................................................................................................. 14
5.2.1风机盘管加独立新风系统的处理过程以及送风参数计算 ..................................... 14 5.2.2 风机盘管的选取 ........................................................................................................ 14 5.2.3 风机盘管的布置 ........................................................................................................ 16
6 气流组织
6.1 气流组织分布 ...................................................................................................................... 17
6.2 风口布置 .............................................................................................................................. 18 6.3风口选择计算 ....................................................................................................................... 18 7 风系统水力计算
7.1 风管水力计算方法 ............................................................................................................ 19 7.2 风管水力计算过程 .............................................................................................................. 19 7.3风管的布置及附件 ............................................................................................................... 21 8 水系统水力计算
8.1空调水系统的设计 ............................................................................................................... 23
8.1.1空调水系统的设计原则 ............................................................................................. 23 8.1.2空调水系统方案的确定 ............................................................................................. 23 8.2冷水系统的水力计算 ........................................................................................................... 23 8.3 冷凝水管道设计 .................................................................................................................. 25
8.3.1 设计原则： ................................................................................................................ 25 8.3.2管径确定 ..................................................................................................................... 26 8.4 水系统安装要求 .................................................................................................................. 26 9 水源热泵机组选择计算
9.1水源热泵机组选型计算 ....................................................................................................... 28
9.1.1冷冻水泵的设计计算 ................................................................................................. 29 9.2 膨胀水箱 .............................................................................................................................. 29 10 地下埋管设计与计算
10.1 确定地下换热器的埋管形式 ............................................................................................ 31 10.2 确定管路连接方式 ............................................................................................................ 31 10.3 选择地下换热器管材及竖埋管直径 ................................................................................ 31
10.3.1钻孔数目的确定 ....................................................................................................... 31 10.3.2 地下换热器阻力计算 .............................................................................................. 32 10.4 地下换热器环路水泵选型 ................................................................................................ 34
10.4.1 循环水泵的选择 ...................................................................................................... 34 10.4.2 冷冻水泵配管布置 .................................................................................................. 35 10.5 阀门安装 ............................................................................................................................ 35
11 管道保温与防腐
11.1管道保温 ............................................................................................................................. 37
11.1.1 保温目的 .................................................................................................................. 37 11.1.2 保温材料的选用 ...................................................................................................... 37 11.1.3 保温经济厚度 .......................................................................................................... 38 11.2 管道防腐 ............................................................................................................................ 38 12 消声减震设计
12.1消声设计 ............................................................................................................................. 39
12.1.1 管道系统消声设计的步骤 ...................................................................................... 39 12.1.2 消声器使用过程中应当注意的几个问题： .......................................................... 39 12.2 减震设计 ............................................................................................................................ 39 参考文献…... ...................................................................................................................................... 41 致谢 ..................................................................................................................................................... 42 附录A空调冷负荷及新风总量汇总 ................................................................................................ 43