1、摘 要目前，随着我国经济的逐步增长，人们对居住条件生活环境的舒适性的要求越来越高，对中央空调的需求越来越大，对中央空调节能、舒适、健康更加关注。本文将主要根据邯郸市的能源使用现状及目前的经济发展水平，从节能的角度出发进行设计，为人们提供一个舒适、安全、卫生的工作环境。本设计是邯郸市某办公楼空调工程设计，该建筑物一层层高为3.9米，二层到六层的层高为3.4米。根据合理利用能源的原则，因地制宜，在比较各种方案的可行性后，选择一个技术可靠，经济合理，管理方便的设计方案。最终确定方案为：采用风机盘管系统，本建筑物采用螺杆式地源热泵作为冷热源。水系统选择开式、水平异程、垂直同程式、三管制、单级泵，定流量
2、系统。设计内容包括: 空调负荷的计算；空调系统方案的确定；冷、热源的选择；空调末端处理设备的选型；水系统的设计及计算；水管系统保温层和防腐设计。关键字：中央空调系统、风机盘管系统、地源热泵AbstractAt present, with the gradual growth of Chinas economic, peoples requirements for living conditions and living environment become higher and higher. Since central air-conditioning s are more and more
3、 generally utilized, people start to pay more and more attention to central air-conditionings energy-efficient, comfort and health. According to the status quo of energy use and economic growth level in Handan, from the angle of energy-saving design, this dissertation would try to provide people wit
4、h a comfortable, safe, hygienic working environment.This design is an office building s air conditioning engineering design in Handan. The building has 5 layers., the first layer 3.9 meters tall, and the 2nd to 6th layer s3.4 metres tall.According to the principle of rational utilization of energy a
5、nd local conditions, after comparing between the flexibility of various schemes, I choose a technology-reliable, economic-rational and management-convenient design scheme. The final scheme is: the space adopting primary fancoil system; this building adopting screw flooded grand source heatpump screw
6、 chiller as cold and heat source; water system choosing opened, horizontal direct return system, vertical reverse-return system, three-pipe system., single-stage pump, variable flow system. Designing content includes: Air conditioning load calculation and system scheme determination; The cold and he
7、at source choice; Air conditioning terminal device handler choice; Water system design and calculation; Water system heat-insulating layer design and anticorrosion protecting design.Key words: The central air conditioning system, Primary fancoil systems，ground-source heat pump.目录1 绪论. .11.1设计目的.11.2
8、设计概述.11.3设计任务.12 设计依据.22.1设计任务书.22.2设计规范及标准.22.3土建资料.22.4气象资料.42.4.1冬季参数.42.4.2夏季参数.42.5室内设计参数.42.6设计原则.42.6.1空调设计.42.6.2通风设计.43 空调系统冷负荷计算. 53.1冷负荷构成及计算原理. 53.1.1维护结构瞬变传热形成冷负荷的计算方法. 53.1.2透过玻璃窗的日射得热形成的冷负荷 . 63.1.3 透过外玻璃门的日射得热形成的冷负荷. 63.1.4 人员散热引起的冷负荷. 63.1.5照明散热引起的冷负荷. 73.1.6 设备散热形成的冷负荷. 73.1.7 新风冷负
9、荷. 83.2 空气调节区的冷负荷. 83.3 空气调节系统的冷负荷. 83.4 空调湿负荷.83.5 负荷计算结果列表.84 空调热负荷计算.104.1 围护结构的基本耗热量引起的热负荷.104.2 修正基本耗热量.104.3 围护结构传热面积的丈量.114.4 建筑物总热负荷.115 空调机组选型 .125.1 风机盘管选型计算.125.2 风机盘管的布置.126 空调风系统.13 6.1 空调系统的风道.13 6.1.1 风道材质.136.2 风口及气流组织.136.2.1 送风口形式.136.3 风系统的截面积.136.4 风口布置.137 空调水系统.147.1 水系统方案的确定.147.2 管路的布置.147.2.1 凝结水设计.147.2.2 冷冻水设计.147.3 水系水力计算.147.4 水系统定压.
