Transformation of First set of 110 kV Main Transformer Foam Water Spray System in Jinhua Completed

|ChinaNews|Published:2022-12-02 20:31:42

On November 17, the linkage test of 110 kV Paint Water Transformation No.2 main transformer foam water spray system of Dongyang Power Supply Company of State Grid passed successfully, marking that the first set of 110 kV substation foam water spray system project has been completed and put into use.

It is reported that the system covers an area of 144 square meters, which is mainly composed of water supply pump set, foam pump set, water supply pipeline, rain valve set, foam nozzle, foam mixture and fire alarm linkage control system and other components. It is a set of foam water spray fire extinguishing system that can independently complete fire detection, alarm and control, and can also be linked with other fire alarm control systems.

According to the fire characteristics of the protected area in the substation, the system adopts 3% water-forming foam extinguishing agent with high fire extinguishing efficiency. It is equipped with special foam nozzle for transformer with the minimum working pressure of 0.35 mpa and large capacity stainless steel water tank with a load of 70T, sustainable spray for 30 minutes. At the same time, the system has automatic, manual and emergency start three start modes, with dual fire power supply automatic switch supply, stable and reliable start, the main transformer provides no dead Angle protection, at the same time during the operation will not pose any safety risks to the surrounding facilities.

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