郑州誉杰商务综合楼空调末端系统及冷冻热力站的设计毕业设计论文.doc
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1、摘要该设计对象位于郑州市黄河路与未来路交叉口,它是一个商务中心的空调末端系统及冷冻热力站的设计。主要内容包括:负荷计算、空气处理过程和风量的设计与计算、设备选型、风系统与水系统阻力计算以及系统控制方案的确定等。在设计中应结合建筑的具体特点制定合理的空调运行方案,在符合实际情况的前提下尽量使系统具备更强的功能性和可操作性。本设计中,空调系统分为两类:一类为全空气一次回风系统;另一类为风机盘管加独立新风系统,新风处理到室内焓值,不承担室内负荷。冷冻热力站内,夏季制冷采用螺杆式冷水机组作为冷源,冬季供暖采用城市管网作为热源,并通过板式换热器换热。制冷机房布置于地下室,冷却塔设置在建筑物裙房屋顶,水系
2、统选择闭式同程两管制变流量系统。关键词:空调系统,空气处理过程,风机盘管加独立新风,板式换热器IIAir-conditioning System Design for Zhengzhou Yujie Business BuildingAbstractThe object of this design is an air-conditioning terminal system with the refrigeration and thermal station of a standard business center which is located in Zhengzhou city. T
3、he main content includes: the load computation, the design and calculation of the air treatment process and the air flow, the selection of the equipments, the friction calculation of the wind and aqueous system and the determination of the systematic control strategies, etc. Combined with the specif
4、ic characteristics of the architecture in the process of the design, the rational operation scheme should be formulated to make the system possess better functionality and operability in accordance with practical situation. The air-conditioning system is divided into two kinds: one is the system of
5、primary air return, and the other is the system of the fan-coil unit with independent fresh air that the outdoor wind is treated to reach the indoor enthalpy, but not to bear the indoor load. In the refrigeration and thermal station, I adopt the screw water chiller to refrigerate in summer as well a
6、s the urban pipeline to transfer heat in winter through the plate heat exchanger. The generator room is fixed up in the basement, while the chilling tower is installed on the top of the podium of the building. As for the aqueous system, the closed, synchro, two-pipe and variant flow one is chosen.Ke
7、ywords: Air-conditioning system Air treatment process The fan-coil unit with independent fresh air Plate heat exchanger目录引言11. 工程概况及原始资料21.1 工程概况21.2 气象参数21.2.1 室外计算参数21.2.2 室内设计参数31.3 建筑材料简介42. 负荷计算52.1 室内冷负荷计算52.1.1 墙体和屋面传热得热引起的冷负荷52.1.2 玻璃窗传热得热引起的冷负荷52.1.3 玻璃窗日射得热引起的冷负荷52.1.4 内维护结构形成的冷负荷62.1.5 照明
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