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风机盘管系统的三种新风供给方式!

来源:http://www.ghwl-nmgzx.com/添加时间:2019-06-18 14:08:29
  1. 新风由独立新风系统提供
  1. Fresh air is provided by independent fresh air system.
  风机盘管空调系统采用独立新风系统提供新风,即新风经过处理后通过送风管道从室外输送到各个空调房间,使新风也承担部分空调负荷。
  The fan-coil unit air conditioning system uses an independent fresh air system to provide fresh air, that is, fresh air is transported from outdoor to each air-conditioning room through a supply duct after treatment, so that fresh air also bears part of the air-conditioning load.
  2. 提供新鲜空气与自然渗透的房间间隙
  2. Clearance between rooms providing fresh air and natural infiltration
  裂缝自然地渗透进来,提供新鲜空气。此时风机盘管只处理空调室内的循环空气。这种空气处理方法使得风机盘管空调系统的初期投资和运行成本相对较低,但很难保证空调室内空气的卫生要求。由于无组织的自然入渗风的影响,空调房间的温湿度分布不够均匀。因此,该方法仅适用于室内人员较少的空调房间,尤其适用于老建筑增加风机盘管空调系统。
  Cracks naturally permeate in to provide fresh air. At this time, the fan coil unit only deals with the circulating air in the air conditioning room. This kind of air treatment method makes the initial investment and operation cost of fan coil unit air conditioning system relatively low, but it is difficult to ensure the sanitary requirements of indoor air in air conditioning. The temperature and humidity distribution in air-conditioned rooms is not uniform due to the influence of unorganized natural infiltration air. Therefore, this method is only suitable for air-conditioning rooms with fewer indoor personnel, especially for adding fan-coil unit air-conditioning system to old buildings.
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  3.将新鲜空气从风机盘管背面墙上的孔直接吹入机组
  3. Blow fresh air directly into the unit from the hole in the back wall of the fan coil unit.
  直接将新鲜空气通过墙上的一个孔流入风机盘管。将风机盘管安装在外墙上,在外墙上开适当的孔,将风管与风机盘管连接,直接从室外引入新鲜空气。新风口做成可调形式。冬季和夏季运行小新风量,春秋过渡季节增加新风量供应量。虽然该方法可以保证新风量,但室内空气参数的稳定性会受到外部空气负荷的影响,增加室内空气污染和噪声,所以只适用于4-5层以下的建筑。这样,风机盘管风口就能做好防尘、降噪、防雨和冬季防冻措施。
  The fresh air is directly flowed into the fan coil through a hole in the wall. The fan coil unit is installed on the outer wall, and proper holes are opened on the outer wall. The fan coil unit is connected with the air pipe, and fresh air is directly introduced from the outside. The new tuyere is made into adjustable form. In winter and summer, the minimum fresh air volume will be operated, and the supply of fresh air will be increased in the transition season between spring and autumn. Although this method can ensure fresh air volume, the stability of indoor air parameters will be affected by external air load, which increases indoor air pollution and noise, so it is only suitable for buildings below 4-5 stories. In this way, the fan coil tuyere can do a good job of dust prevention, noise reduction, rain prevention and winter freeze prevention measures.

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