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暖通節能設計要點之空調冷凍水系統的設計

暖通節能設計要點之空調冷凍水系統的設計

發布日期:2018-04-11 作者:地源熱泵 點擊:

1、風機盤管的回水管上應設置浮點式電熱閥,也可采用傳統的電動兩通閥或電動兩通調節閥。前者與后兩者相比,具有控制精度高、運行穩定性強、無噪聲、體積小等優點;新風機組、組合式空調器的回水管上,應設置動態平衡電動調節閥或電動兩通調節閥。前者只受房間溫度設定控制,不受外網壓力波動的影響,比后者具有更好的調節特性和更長的使用壽命。

1. The floating-point type electric heating valve should be set on the backwater pipe of the fan coil, and the traditional electric two - way valve or the electric two - way regulating valve can be used. Compared with the latter two, the former has the advantages of high control accuracy, strong operation stability, no noise and small volume. The dynamic balancing electric control valve or electric two way regulating valve should be set up on the return pipe of the new air unit and the combined air conditioner. The former is only controlled by the temperature setting of the room, which is not affected by the pressure fluctuation of the external network, and has better regulation characteristics and longer service life than the latter.

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2、總供回水管之間設旁通管及由壓差控制的旁通電動調節閥,旁通管管徑應按1臺冷水機組的冷凍水流量確定。

2. There is a bypass pipe and a bypass electric regulating valve controlled by pressure difference. The bypass pipe diameter should be determined according to the freezing water flow rate of 1 chillers.

3、冷水機組和冷凍水循環泵之間宜采用一一對應的連接方式。當采用方式連接困難時,可采用共用集管連接,但此時應在每臺冷水機組的入口或出口水管道上設置電動隔斷閥,并應與對應的冷水機組和水泵連鎖開關。

3. A one-to-one corresponding connection should be adopted between the cold water set and the frozen water circulating pump. When the way connection is difficult, the common collector pipe connection can be used, but at this time, the electric partition valve should be installed on the inlet or outlet piping of each chiller, and should be connected with the corresponding chiller and water pump interlocking switch.

4、應密切與電器專業配合,做好自動控制設計,使系統能夠根據空調負荷的變化,自動控制冷水機組及循環水泵的運行臺數。

4, we should closely cooperate with electrical equipment and do automatic control design, so that the system can automatically control the running number of chillers and circulating pumps according to the change of air conditioning load.

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關鍵詞:地源熱泵,地源熱泵公司,地源熱泵工程

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