论文总字数：37261字

摘 要

国内关于热源塔热泵的研究多数关于闭式或是开式塔结构换热的影响因素，所以本文就其在设计中的综合整体性能进行了研究分析。使用DeST计算出全年冷热负荷和全年温度分布并绘制相应图表。基于全年温度分布把一年划分成制冷季、采暖季和过渡季三个时段。结合温度分布曲线和负荷分布图分析了影响负荷的因素。室外温度、人员在室率和围护结构的热延迟时间都会影响负荷。根据负荷选择机组并计算初投资，根据效率算出全年运行能耗，并和其他类型的热泵进行了对比，得出热源塔不仅综合制冷制热效率高而且总体费用低的结论。由于DeST中没有CAD的辅助制图功能，用鸿业对设计建筑的空调系统进行了设计，并绘制系统图和平面图。根据综合办公楼的功能特点，选择热源塔作为冷热源，室内末端采用集散式的风机盘管系统，上送上回式设计。由于建筑面积较大，分为东区和西区两个系统，东区的冷热量由两台热源塔热泵机组供应，西区的冷热量由三台热源塔热泵机组供应。

关键词：热源塔热泵系统，DeST，负荷，系统设计

Abstract

Most of the domestic research on heat tower heat pump is concerned with the heat transfer of closed or open tower structure, so this paper studies and analyzes its comprehensive overall performance in design. It is the software called DeST that was used to calculate and drawing the curve of the integrated office edifice’s whole year load and temperature. The refrigeration systerm and the heating system’s working period is separate by the annual temperature distribution. Combined with the cooling and heating load distribution map and the temperature distribution curve, the elements influencing the load are analyzed. The outdoor temperature, the personnel room rate and the thermal delay time of the enclosure structure all affect the load. According to the load, the unit is selected and the initial investment is calculated. Using the efficiency to calculate the power consumption of the whole year, and compared with other types of heat pumps, it is concluded that the heating tower heat pump not only has high comprehensive cooling efficiency but also low overall cost. Since DeST does not have the auxiliary drawing function with CAD, Hongye has designed the air conditioning system of the design building and draws the system diagram and floor plan. According to the functional characteristics of the integrated office building, choose the heating tower heat pump to be the energy source. The indoor end adopts a centralized and distributed fan coil system to supply air from above and return air from above. Due to the large construction area, the building is divided into two systems: the east zone and the west zone. The cooling capacity and heating capacity in the east zone is supplied by two heating tower heat pump units, the cooling capacity and heating capacity in the west zone is supplied by three heating tower heat pump units.

KEY WORDS: heating tower heat pump, DeST, load, system design

目 录

摘 要 I

Abstract II

第一章 绪论 1

1.1 课题背景 1

1.1.1 热泵的工作原理及发展过程 2

1.1.2 现有热泵分析 2

1.1.3 热源塔热泵简介 3

1.2 国内外研究现状 3

1.2.1 国内研究进展 3

1.2.2 国外研究进展 4

1.3 本文的设计分析方法和研究内容 4

第二章 建筑负荷模拟计算 5

2.1 现有建筑模拟软件介绍 5

2.2 设计工程概况 6

2.2.1 城市地理位置和气候参数 6

2.2.2 综合办公楼基本概况 6

2.3 基于DeST的建筑模型负荷计算 6

2.3.1 模型概况 6

2.3.2 建筑参数设定 8

2.4 模拟结果统计分析 10

2.4.1 全年温度分析和季节划分 10

2.4.2 全年空调负荷分析 15

第三章 冷热源方案的选择分析 18

3.1 方案初定 18

3.2 经济性能分析 19

3.2.1 初投资及运行费用分析 19

3.2.2 生命周期费用分析 20

3.3 结论 20

第四章 基于鸿业暖通软件的设计计算 22

4.1 空调负荷计算 22

4.2 室内末端形式设计 22

4.2.1 室内空调末端方案设计 22

4.2.2 焓湿图计算 23

4.2.3 风机盘管选型 24

4.2.4 风管及散流器选型 25

4.2.5 水力管网设计分析 27

4.2.6 新风系统设计说明 28

4.2.7 水泵的选择 28

4.3.8 冬季运行工况校核 28

第五章 结论与展望 30

5.1 总结 30

5.2 展望 31

参考文献 32

附录A 风机盘管承担冷负荷及室内送回风量 34

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