暖通節(jié)能設計要點之空調(diào)冷凍水系統(tǒng)的設計
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(tǒng)的電動兩通閥或電動兩通調(diào)節(jié)閥。前者與后兩者相比,具有控制精度高、運行穩(wěn)定性強、無噪聲、體積小等優(yōu)點;新風機組、組合式空調(diào)器的回水管上,應設置動態(tài)平衡電動調(diào)節(jié)閥或電動兩通調(diào)節(jié)閥。前者只受房間溫度設定控制,不受外網(wǎng)壓力波動的影響,比后者具有更好的調(diào)節(jié)特性和更長的使用壽命。
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.
2、總供回水管之間設旁通管及由壓差控制的旁通電動調(diào)節(jié)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(huán)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(yè)配合,做好自動控制設計,使系統(tǒng)能夠根據(jù)空調(diào)負荷的變化,自動控制冷水機組及循環(huán)水泵的運行臺數(shù)。
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.
5.客戶的滿意就是對我們的肯定,歡迎您前來選購我公司的產(chǎn)品,我們一直以為您提供產(chǎn)品為己任并一直堅持這樣做。歡迎您的光臨。
5.Customer satisfaction is our affirmation. You are welcome to purchase our company's products. We have always thought that you are responsible for products and have always insisted on doing so. Welcome to your visit.
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