A multi-agent combined fire extinguishing system and method based on liquid carbon dioxide
A technology of liquid carbon dioxide and fire extinguishing system, which is applied in fire rescue and other fields, can solve the problems of not being able to extinguish liquid fires in oil tanks, fail to meet fire extinguishing requirements, and quickly extinguish fires of difficult-to-combustible materials, and achieve reduced gas supply costs, easy promotion, and uniform size Effect
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[0084] Such as figure 1 and figure 2 Shown, a kind of multi-agent combined fire extinguishing system based on liquid carbon dioxide of the present invention, comprises packing liquid CO2 2 Dewar 3, the Dewar 3 gas-phase CO 2 Outlet via gas phase CO 2 The main pipeline 4 is connected with the first three-way valve 10, and the gas phase CO 2 The main pipeline 4 is sequentially provided with a pressure reducing and stabilizing valve 5 and an electromagnetic shut-off valve 9; the first three-way valve 10 separates the first gas phase CO 2 pipeline and second gas phase CO 2 Pipeline two-way pipeline;
[0085] The first gas phase CO 2 The pipeline is provided with a first manual ball valve 12, a one-way valve 32, a metal rotameter 14, a first small flow regulating valve 21 and a one-way valve 32 in sequence, and is finally connected to the air intake pipeline of the gas-liquid mixing chamber 15;
[0086] It should be noted that the settings of the first manual ball valve 12,...
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