Pressure-storage premix type water mist foam fire extinguishing apparatus for ships
A foam fire extinguishing and water mist technology, which is used in fire rescue and other directions to achieve the effect of high fire extinguishing efficiency, protection and compact structure
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Embodiment 1
[0014] see figure 1 and figure 2 , the marine pressure storage premixed water mist foam fire extinguishing device includes a high-pressure gas cylinder 1, a storage tank 2, a hose 3, a reel 4 and a water mist foam nozzle 6; a safety valve 10 and a water inlet are installed on the top of the storage tank 2 8. Pressure gauge 21 and high-pressure gas inlet 17, Yishui port 9 is provided on one side of storage tank 2, drain port 19 is installed at the bottom of storage tank 2; reel 4 is installed on the top of storage tank 2, and one end of hose 3 is connected to the storage tank The liquid outlet 14 of the tank 2 and the other end of the hose 3 are connected to the fine water mist foam nozzle 6 through the nozzle handle 16 , and the hose 3 is coiled on the reel 4 .
[0015] A foam stock solution bottle 5 is installed on the inside of the top of the storage tank 2, and the foam stock solution bottle 5 is connected to a high-pressure gas inlet 17, which is connected to a high-pres...
Embodiment 2
[0018] The downward outlet of the three-way valve 12 is connected with two horizontal spray nozzles 11 mounted on the back through pipe fittings. The nozzle 11 is located at 1 / 2 below the liquid level in the storage irrigation;
[0019] The fine water mist foam nozzle 6 is hemispherical, and 13 nozzles are uniformly distributed on the hemispherical spherical surface, and the divergence angle of the fine water mist foam nozzle 6 is 180 degrees.
[0020] Other structures are with embodiment 1.
[0021] The fine water mist foam nozzle 6 sprays outwards at 180 degrees, which can protect the firefighters who hold the nozzle handle 16 while efficiently extinguishing the fire. Experimental result shows, the device 50L specification of present embodiment, foam mixture concentration 1.5%, when the working pressure in the storage tank is 4MPa, can extinguish 6m in 30 seconds. 2 gasoline fire, extinguish 10m within 60 seconds 2 aviation kerosene fire and 15m 2 diesel fire.
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