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摘要本设计为大庆市公安局指挥中心中央空调及供暖设计,旨在为室内工作人员提供舒适的工作环境。建筑共六层，总面积为11000㎡，首层净高5.4m，其他五层净高均为4.2m。本设计中夏季采用空调制冷，冬季采用散热器供暖。设计的空调系统采用风机盘管—新风系统,选用水冷机组制冷冻水供冷，冬季依靠市政集中供热采暖。65284
设计的主要内容包括：空调冷负荷的计算；空调系统的划分与系统方案的确定；冷源的选择；风系统的设计与计算；室内送风方式与气流组织形式的选定；水系统的设计、布置与水力计算等等。除此之外，还需要进行空调末端处理设备及机房辅助设备的选型。需要结合所选择的空调系统的特点及办公楼的建筑结构选择合适的空调机组及末端设备，合理的布置吊顶内风管与水管的位置。并根据所选择的空调机组选配合适的辅助设备：冷冻水循环水泵，冷却水循环水泵，开式水箱，冷却水塔，及相应的水管风管阀门等。
毕业论文关键词：办公楼，中央空调，水冷机组，风机盘管—新风系统
毕业设计说明书（论文）外文摘要
Title The HVAC design of a command center for the Daqing Public Security Burear
Abstract
The design of central air-conditioning system for d a command center for the Daqing Public Security Burear is aimed to givea comfortable working condition indoors. The total area of the building is about 11000m².During summer,air condition provide cooling air,while radiotor heating in winter. A fan coil units (FCUs)--fresh air system is selected and central screw water chillers are used to provide the chilling water needed. In winter, the municipal central heating system is used to supply heat and keep official room warm.Some of the main points in this design are given as follows:Cooling load calculation, the estimation of system zoning; the design of air duct system and calculation; the estimation of air distribution method and the selection of relevant equipments; the design of water system and the analysis of its resistance losses; the plan of the insulation of air duct and chilled water pipes; etc.. Meanwhile, equipment selection is also an essential part of the design. According to the requirement, a fan coil units (FCUs)--fresh air system is appropriate. Thus，the main process equipment, i.e. the chiller, the fan coil units, the circulating water pumps, the cooling tower, are also determined in the design considering their characteristics and working conditions.
KEY WORDS: official building, central air conditioning, cooling water chiller fan coil units (FCUs)--fresh air system
目 次
1.概论 1
1.1 工程概况 1
1.2 设计依据 1
1.2.1 设计范围及要求 1
1.2.2 设计规范与标准 1
2 空调负荷计算 1
2.1 空调室内外计算参数 1
2.1.1 基本气象参数 1
2.1.2 室内设计参数 2
2.1.3 体力活动性质 2
2.1.4 建筑结构特点 2
2.2 空调系统新风量的确定 3
2.3 空调冷负荷计算 4
2.3.1 围护结构瞬变传热引起的冷负荷 4