某实验室净化空调系统设计

论文总字数：33800字

摘 要

本文依据规定《民用建筑供暖通风与空气调节设计规范（GB50736-2012）》、《洁净厂房设计规范（GB50073-2013）》的要求，利用已具备的建筑结构和基本参数，设计了位于四川省绵阳市一间多功能实验室的净化空调系统。

首先，充分调研了洁净室以及净化空调系统工程的发展过程和设计要点；根据规范要求，确定了多功能实验室的新风量；综合考虑围护结构、人体、设备和新风耗热量，对实验室的净化空调系统进行设计冷热负荷计算；分析了多功能实验室夏季和冬季不同的工况、热湿处理过程，进行焓湿图计算，确定了各状态点的参数，依次设计计算出了送风量、一二次回风量、空调机组总耗冷量以及空调机组总加热量；计算多功能实验室的换气次数和颗粒物浓度。

最后，对比了各种不同的空调系统方案，为实验室的净化空调系统选用了组合式空调系统，对系统不同功能段进行分别设置；为满足本实验室的要求特参考了工业上成熟的风口产品，在进出风口选用风刀设计，完成高速气流的喷射保证了实验室对洁净度等级和特殊工艺的要求。

关键词：净化空调系统，洁净室，负荷计算，颗粒物浓度，风刀

Abstract

This paper designs the located structure in Sichuan Province by using the existing building structure and basic parameters，regarding to the design code of "Code for Design of Heating, Ventilation and Air Conditioning for Civil Buildings" (GB50736-2012) and "Code for Design of Clean Plants" (GB50073-2013). The clean air conditioning system lies in a multi-function lab in Mianyang in Sichuan Province.

First of all, fully researched the development process and design points of the clean room and purification air conditioning system project; I determined the new air volume of the multi-function lab, with regard to the needs of the specification; comprehensive consideration of the enclosure structure, human body, equipment and new wind heat consumption, the laboratory The purification air conditioning system is designed to calculate the cooling and heating load; the various working conditions of the multi-function lab in winter and summer, and the heat and humidity handling process are analyzed, the calculation of the dampness map is carried out, the parameters of each state point are determined, and the design is calculated and sent in turn. Air volume, primary air return volume, total air conditioning unit cooling capacity and total heating capacity of air conditioning units; calculation of multi-function laboratory ventilation times and particulate matter concentration.

Finally, comparing various air conditioning system schemes, a combined air conditioning system was selected for the laboratory's purification air conditioning system, and different functional sections of the system were separately set; in order to meet the requirements of the laboratory, the industrial mature air outlet was especially referenced. The product is designed with air knife at the inlet and outlet, and the high-speed air jet is sprayed to ensure the laboratory's requirements for cleanliness level and special process.

KEY WORDS: purification air conditioning system, clean room, load calculation, Particulate matter concentration，air knife

目 录

摘要…………………………………………………………………………………3

Abstract………………………………………………………………………………3

1. 绪论………………………………………………………………………8

1.1 引言………………………………………………………………………8

1.2 净化空调系统与一般空调系统的区别…………………………………8

1.2.1 参数控制…………………………………………………………8

1.2.2 空气过滤…………………………………………………………8

1.2.3 压差控制…………………………………………………………8

1.2.4 系统气密性………………………………………………………8

1.3 净化空调系统的分类……………………………………………………8

1.3.1 集中式净化空调系统……………………………………………9

1.3.2 半集中式净化空调系统…………………………………………9

1.3.3 分散式净化空调系统……………………………………………9

1.4 净化空调系统的现状及发展……………………………………………9

1.4.1 国内外研究现状…………………………………………………9

1.4.2 净化空调系统的发展历程及未来趋势………………………10

1.5 净化空调系统的主要应用………………………………………………10

1.5.1 电子工业领域…………………………………………………10

1.5.2 医疗制药领域…………………………………………………10

1.6 净化空调系统的节能措施………………………………………………11

1.6.1 新风被集中冷却和除湿…………………………………………11

1.6.2 提高密封性，减少漏风…………………………………………11

1.6.3 减少风量………………………………………………………12

1. 概述…………………………………………………………………………13

2.1 设计要求…………………………………………………………………13

2.2 工程概况…………………………………………………………………13

2.2.1 基本建筑参数…………………………………………………13

2.2.2 室外气象参数和室外空气计算参数…………………………14

2.2.3 室内设计参数…………………………………………………14

2.2.4 室内空气洁净度………………………………………………14

2.2.5 土建资料………………………………………………………14

2.2.6 洁净室特性参数………………………………………………16

2.3 设计步骤…………………………………………………………………17

2.4 设计依据…………………………………………………………………17

1. 空调负荷计算………………………………………………………………18

3.1 室内冷负荷计算…………………………………………………………18

3.1.1 室内冷负荷的组成……………………………………………18

3.1.2 外墙（或屋面）传热冷负荷的计算……………………………18

3.1.3外窗传热冷负荷的计算…………………………………………19

3.1.4 太阳辐射冷负荷………………………………………………19

3.1.5 内围护结构的传热冷负荷……………………………………20

3.1.6 地面传热冷负荷………………………………………………21

3.1.7 人体散热冷负荷………………………………………………22

3.1.8 灯具冷负荷……………………………………………………22

3.1.9 设备显热冷负荷………………………………………………22

3.1.10 新风冷负荷……………………………………………………22

3.1.11 详细冷负荷……………………………………………………23

3.2 热负荷计算……………………………………………………………24

3.2.1 室内热负荷的组成……………………………………………24

3.2.2 围护结构总耗热量的计算……………………………………24

3.2.3 冷风渗透耗热量的计算………………………………………26

3.2.4 冷风侵入耗热量的计算………………………………………26

3.2.5 详细热负荷……………………………………………………27

1. 洁净空调系统的设计与分析………………………………………………28

4.1 空调系统的组成…………………………………………………………28

4.2 空调系统方案的选择……………………………………………………28

4.2.1 空调系统的对比………………………………………………28

4.2.2 空调系统方案的选择…………………………………………30

4.4 空气处理设备的选择……………………………………………………31

1. 气流组织的设计……………………………………………………………32

5.1 气流组织的设计…………………………………………………………32

5.1.1 气流组织的选择………………………………………………32

5.1.2 气流组织的形式及要求………………………………………32

5.2 设计送风量………………………………………………………………32

5.2.1 保证空气洁净度所需送风量…………………………………32

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