中山市金源购物广场空调系统设计.doc
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- 中山市 购物 广场 空调 系统 设计
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1、摘要本次设计的内容是广东省中山市金源购物广场空调系统的设计,其目的是通过对空调系统的设计,来了解空调系统的设计流程及具体的方法,进而巩固所学的基础知识。首先,查阅设计地点的地理资料得出相应的气象条件,根据当地具体的条件以及维护结构计算夏季整个系统的冷负荷。考虑经济因素,采用现在经常使用的一次回风加新风的风机盘管系统和全空气系统。一到三层共分为三个全空气系统,其他住宿房间均采用风机盘管加新风系统的方案。新风由新风机组处理到室内焓值,通过送风管道,送至风机盘管后部,同室内回风混合后经风机盘管送出,改善室内卫生条件。根据系统所需的冷量,选用空调机组,计算风管管径。然后再根据系统所需冷量选取两台活塞式
2、冷水机组,为了提高水力稳定性,使流量均匀分配,水系统管路采用补水泵和定压罐来分别对系统进行补水和定压。另外还阐述了空调系统的消声和防振,使之运行达到经济合理的要求。同时,在相应的计算过程中,根据设计的过程及计算结果运用CAD绘制标准层空调系统平面图,水系统图、空调机房平面图以及冷冻机房平面图。通过本次设计使室内环境得到改善,基本达到了设计要求。关键词全空气空调系统;风机盘管独立新风系统;空调水系统;室内焓值I AbstractThe content of this design is the Jin Yuan shopping mall center air-conditioning syst
3、em design. Its purpose is to understand the designing process and the concert method of central air-conditioning from the designing of central air-conditioning, further more consolidate the basic knowledge that I had learned in four years. First, the meteorological condition was gotten with looking
4、up the geography data. According the idiographic condition & maintenance structure to counting cool burthen in summer, and selecting the air-condition system. Considering economy factor, adopting the common form of dealing air that is fan-coil unit systems with once air return. Nine floors are divid
5、ed into three air systems altogether, all rooms were taken the form of fan-coil and fresh air. Fresh air is dealt to the enthalpy value of indoor by the new fan group, and by wind pipeline, sends to the back of the fan -coil unit. According to the cold capacity that the system needed, choosing the a
6、ir-condition unit, and calculating the diameter of air pipeline, mixed with indoor air return after the fan-coil out, to improve indoor health conditions. According cold capacity to choose two cold water units cooling with wind, and in order to raise the waterpower stability, making the even distrib
7、ution of volume of flow, the system uses the water tank expanding to supply water and the pressure was stabilized. Moreover, noise was eliminated and prevented, making the running of the system economically. At the same time ,in process of calculating , we draw the standard floor air-condition syste
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