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风机盘管系统的新风供应方式!

来源:http://www.ghwl-nmgzx.com/添加时间:2019-07-02 14:07:11
  1、由独立的新风系统供应新风
  1. Supply of fresh air by independent fresh air system
  风机盘管空调系统采用独立的新风系统供应新风,是把来自室外的新风经过处置后,经过送风管道送入各个空调房间,使新风也担负一局部空调负荷。
  The fan coil unit air conditioning system uses an independent fresh air system to supply fresh air. After the fresh air from the outdoor is disposed of, it is sent to each air conditioning room through the air supply pipeline, so that the fresh air also bears a part of the air conditioning load.
  2、用房间缝隙自然渗入供应新风
  2. Supply fresh air by natural infiltration of room crevices
  缝隙自然渗入供应新风方式。这时风机盘管处置的只是空调房间中的循环空气。此种空气处置办法,使风机盘管空调系统的初投资和运转费用都比拟低,但空调房间内空气的卫生请求难以保证。受无组织的自然渗入风的影响,空调房间内空气的温湿度散布不够平均。所以此种方式只适用于室内人员较小的空调房间,特别用于旧建筑物增设风机盘管空调系统。
  The gap naturally infiltrates into the fresh air supply mode. At this time, the fan coil unit only disposes of the circulating air in the air-conditioned room. This kind of air disposal method makes the initial investment and operation cost of fan-coil unit air-conditioning system comparatively low, but it is difficult to guarantee the sanitary requirement of air in air-conditioning room. Influenced by the unorganized natural infiltration wind, the air temperature and humidity in the air-conditioned room are not uniform enough. Therefore, this method is only suitable for air-conditioning rooms with small indoor personnel, especially for adding fan-coil unit air-conditioning system to old buildings.
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  3、从风机盘管反面墙洞引入新风直接进入机组
  3. Introducing fresh air directly into the unit from the reverse wall hole of fan coil unit
  从墙洞引入新风,直接进入风机盘管的方式。将风机盘管靠外墙装置,在外墙上开一恰当的洞口,用风管微风机盘管相连,从室外侧直接引入新风。新风口做成可调理的方式。在冬夏季按最小新风量运转,在春秋过渡时节加大新风量的供应。这种方式固然能保证新风量,但室内空气参数的稳定性将受外界空气负荷的影响,可增大室内空气污染和噪音,所以只顺应用于4——5层以下的建筑。采用此种方式,要做好风机盘管风口的防尘、防噪音、防雨水和冬季防冻等措施。
  The way of introducing fresh air into the wall hole and directly into the fan coil unit. The fan coil unit is attached to the outer wall device, and an appropriate opening is opened on the outer wall. The fan coil unit is connected with the air duct and the fresh air is directly introduced from the outside. The new tuyere is made into adjustable way. In winter and summer, it runs according to the minimum fresh air volume, and increases the supply of fresh air during the transitional period of spring and autumn. Although this method can ensure fresh air volume, the stability of indoor air parameters will be affected by the external air load, which can increase indoor air pollution and noise, so it is only suitable for buildings below 4-5 stories. In this way, measures such as dust prevention, noise prevention, rainwater prevention and winter freezing prevention should be taken.

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