北京某会议中心综合服务楼空调系统设计毕业论文

 2022-06-21 11:06

论文总字数:52012字

摘 要

查阅北京市相关气象参数和围护结构资料,计算出各个房间的冷负荷,根据得出的冷负荷与设计要求确定送风量、新风量和回风量,进行末端设备选型,依据规范标准布置完风系统和水系统后进行水力计算,校核水力平衡并根据压头和流量进行风机和泵的选型。

根据空调手册提供的相关参数,完成制冷机组、水泵等选型,将其反应在图纸上,从而完成整个空调系统的设计。

关键词:空调系统 空气处理机组 风机盘管 新风机组 风冷热泵 通风系统

ABSTRACT

Now Beijing meteorological parameters and envelope-related data is calculated cooling load of each room, according to the results of the cooling load and design requirements to determine the amount of air, fresh air and return air volume for terminal equipment selection, arranged according to normative standards after air system and water system hydraulic calculation, checking water balance and fan and pump selection based on pressure head and flow.

According to the relevant parameters conditioned manual provides complete refrigeration units, pumps and other selection, which was reflected in the drawing, thereby completing the design of the entire air conditioning system.

Key Words:Air conditioning system: Air handling unit: Fan coil: New air handling units:Air source heat pump:Ventilation System.

目录

  1. 设计资料...............................................1

1.1工程概况....................................................1

1.2设计参数....................................................1

  1. 冷负荷计算.............................................4

2.1围护结构传热冷负荷..........................................4

2.2辐射得热冷负荷..............................................6

2.3室内热源散热冷负荷..........................................7

2.4人体散湿量..................................................9

2.5各层负荷汇总................................................9

  1. 热负荷计算............................................12

3.1围护结构基本耗热量的计算...................................12

3.2围护结构基本耗热量的修正...................................13

3.3冷风渗透耗热量的计算.......................................13

3.4外门冷风侵入耗热量的计算...................................14

3.5房间总耗热量...............................................14

3.6各层房间热负荷.............................................14

  1. 空调方案的确定........................................16

4.1空调系统的选择.............................................16

4.2空调系统方案的确定.........................................19

4.3空调水系统方案的选择及特点.................................20

4.4回风方案的选择及特点.......................................21

  1. 送风量的计算及设备选择................................23

5.1房间送风量的计算...........................................23

5.2设备的选型及个数确定.......................................29

  1. 气流组织..............................................35

6.1气流组织的基本要求.........................................35

6.2气流组织的计算.............................................35

  1. 水力计算..............................................38

7.1风系统水力计算.............................................38

7.1水系统水力计算.............................................45

第八章 冷热源系统及制冷机房的设计............................48

8.1冷热源选择的原则...........................................48

8.2冷热源方案的比较...........................................48

8.3冷热源方案的确定...........................................50

8.4冷水机组的选择.............................................50

8.5水泵选择...................................................50

8.6定压方式的选择.............................................50

8.7集水器、分水器的设计.......................................51

8.8冷却塔的选择...............................................51

  1. 卫生间通风设计........................................52

9.1排风量的确定...............................................52

9.2排风扇的选择...............................................52

  1. 管道保温、防腐和系统消声减震设计......................53

10.1保温设计..................................................53

10.2防腐设计..................................................54

10.3消声设计..................................................55

10.4减震设计..................................................55

小结.........................................................57

参考文献.....................................................58

  1. 设计资料

1.1工程概况

项目名称:北京某会议中心综合服务楼空调系统设计。

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