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                                                                                                                                                                            1. 關鍵詞: 七氟丙烷氣體滅火系統,氣體滅火系統,泡沫滅火系統,泡沫滅火劑
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                                                                                                                                                                              地下車庫一定要設計泡沫噴淋滅火系統嗎?

                                                                                                                                                                              發布時間:2021-10-21 點擊量: 0

                                                                                                                                                                              地下車庫一定要設計安裝泡沫噴淋滅火系統嗎?并不是所有地下車庫需要安裝泡沫噴淋滅火系統,根據《汽車庫、修車庫、停車場設計防火規范》(GB50067)規定,I類地下車庫(也就是停車數量大于300輛的汽車庫)宜設置泡沫噴淋滅火系統。什么是泡沫噴淋滅火系統呢?下面為您介紹泡沫噴淋滅火系統的組成以及工作原理。
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                                                                                                                                                                              系統組成
                                                                                                                                                                              泡沫噴淋滅火系統是由泡沫液控制閥、壓力式泡沫罐、壓力式比例混合器、濕式報警閥、水流指示器以及噴頭組成,其中采用的壓力式泡沫罐是作為主要設備,由于面對的是汽車庫場所,汽車庫場所中是具有易燃液體火災隱患的場所,面對這種易燃液體的火災,我們采用的是水成膜泡沫滅火系統,我們所使用的壓力式泡沫罐里面帶有膠囊,可以儲存水成膜泡沫液,通過消防壓力水作用將水成膜泡沫液壓出形成泡沫混合液經過灑水噴頭噴出而滅火。
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                                                                                                                                                                              工作原理
                                                                                                                                                                              地下車庫泡沫噴淋滅火系統工作原理分為兩個部分,首先是水系統動作然后是水成膜泡沫滅火系統動作,當發生火災時,閉式灑水噴頭的玻璃球破裂啟動噴水系統,水流指示器動作,濕式報警閥開啟,壓力水通過報警控制閥開始報警(為了防止出現誤噴請款,可以在警鈴響起時手動關閉系運行)壓力水經過泄放閥從而開啟泡沫液控制閥,水成膜泡沫罐動作,泡沫液釋放通過主管道的壓力式比例混合器配置一定比例的混合液后通過管網流向灑水噴頭進行滅火。
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