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By total load which calculates, the definite system form, in this time design, the system main air conditioning plan adds the new atmosphere system for the air blower serpentined, uses the air blower serpentined to undertake the air conditioned room cold load and the heat load, in each work room suspended ceiling places an air blower serpentined.The new atmosphere first sends in the air blower serpentined through the independent new atmosphere pipeline, then together sends in the room with the blast mix.According to the load and so on the parameter choice air blower serpentined and the new atmosphere unit which calculates.Each 3 new atmosphere unit places in separately 3 air conditioning engine rooms, the new atmosphere unit bears this air conditioned room separately the new atmosphere load.This air-conditioning system merit is takes the floor space to be few, the adjustment is convenient.
The parameter which according to which assigns the design variable and calculates, searches the corresponding material handbook, carries on the system the water power computation, in the water power computation, according to already the system schematic diagram which draws, the definite system most disadvantageous length of pipe, the labelling most disadvantageous length of pipe node, uses the hypothesis speed of flow law to carry on the partition the water power computation, obtains the entire pipeline the caliber and the entire pipeline hydraulic loss, carries on the caliber adjustment regarding the pipeline hydraulic loss great length of pipe, obtains reasonably along the regulation total hydraulic loss.And selects the appropriate pipeline size.
Guards against regarding the garage discharges fume the system design, enters the amount of wind generally for a row of amount of wind 80~85%.The garage enters, the exhaust blower uses multi-Taiwan suitably parallel or the frequency conversion air blower, the union discharges fume the system to be possible to use the two speed high temperature to discharge fume the air blower.Discharges fume the air blower to discharge fume the quantity not to be smaller than according to the air change number of times 6 /h computation determination.Divides one by 2000m2 to guard against the smoke district, altogether some 6 guard against the smoke district.Figures out according to the standard discharges fume the quantity, and is guarding against the smoke stair hall establishment compression blast.
目 录
绪 论 1
1 设计说明 2
1.1 工程概况 2
1.1.1 工程简介 2
1.1.2 建筑资料 2
1.2 设计依据 2
1.3 设计参数 3
1.3.1 上海市气象参数 3
1.3.2 室内设计参数 3
2 负荷计算 4
2.1 冷、热、湿负荷的概念 4
2.2 夏季冷负荷计算 4
2.3 冬季热负荷计算 6
2.4 湿负荷计算 7
2.5 新风负荷计算 8
2.6 负荷计算数据汇 9
3 空调系统的设计方案确定 11
3.1 方案选择原则 11
3.2 空调方式比选 11
3.2.1 空调系统的分类 11
3.2.2 方案确定 15
4 防排烟系统的设计方案确定 17
4.1 方案选择原则 17
4.1.1 车库的通风量计算 17
4.1.2 车库的通风系统的布置 17
4.2 车库通风系统的设计 18
4. 3 机械加压送风和机械排烟设计 19
5 空调设备选型 21
5.1 风机盘管的选择 21
6 水力计算 23
6.1 风管布置 23