In the view of insufficiency in water supply of circulation water pumps in ZhuJiang power plant, the circulation water pumps were retrofitted with the aim of increasing flow rate and saving energy.
针对珠江电厂循环水泵供水不足、泵叶片强度不够等问题，对循环水泵进行了增流节能技术改造。
The safety design of gas supply system, hot water circulation system, alarm system and so on in atmospheric gas hot-water heating boiler room is discussed.
探讨了燃气常压热水供热锅炉房燃气供气系统、热水循环系统、报警系统等的安全设计。
The configuration and variable frequency adjusting speed of water circulation pump in city heat-supply system are introduced, and the effects of energy saving are analyzed.
对城市供热系统中循环水泵的配置及变频调速进行了介绍，分析了其节能效果。
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