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柜式七氟丙烷氣體滅火裝置的工作原理

2019-09-12 02:13:55 PM

貯存容器是焊接壓力容器,七氟丙烷滅火劑以液態形式貯存在容器內,通過氮氣增壓至設計壓力。當保護區發生火災時,火災報警控制器輸出DC-24V電流,接通電磁型驅動裝置中的電磁鐵,電磁鐵動作推動電磁型驅動裝置中的刺破針擊穿容器閥的密封膜片開啟容器閥;使滅火劑從容器閥出口釋放。流經連接管,通過噴嘴噴射進行滅火。滅火劑瓶組內噴放的壓力推動信號反饋裝置活塞推桿,接通微動開關,使火災報警控制器面板指示燈顯亮,顯示裝置已啟動。


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