Air storage type compressed air type a foam fire extinguishing device
A compressed air and foam fire extinguishing technology, which is applied in fire rescue and other fields, can solve the problems of complex system, high operation and maintenance requirements, and high cost, and achieve the effect of simple process, low maintenance operation requirements, and low cost
Active Publication Date: 2011-12-21
上海芜津消防设备有限公司 +1
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Problems solved by technology
[0002] In the past, when the compressed air Class A foam rice removal device system generates foam, the required air is provided by the air compressor. In order to match the pressure water source provided by the water source with the pressure and flow rate of the compressed air, the system is equipped with water pumps and air compressors. In addition to power, it is also necessary to configure the pressure balance system components of water source and air, which makes the system complex, expensive, and requires high operation and maintenance.
Method used
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Embodiment Construction
[0011] The present invention will be further described below, and the present invention is relatively clear to those skilled in the art.
[0012] When it needs to be used, open the pressure reducing valve on the compressed gas cylinder 1 to make it in a standby state, and then open the control valve 2 to control the pressure required to supply the gas-liquid mixer 7, water tank 8 and foam liquid tank 3 , and to control whether to spray dry foam or wet foam, it is controlled by switching the dry foam control valve 4 or the wet foam control valve 5, because the openings of the dry foam control valve 4 and the wet foam control valve 5 are set in the former larger than the latter Small, by switching dry foam control valve or wet foam control valve, the amount of the foam liquid mixed with water entering the water-liquid mixer 6 is also the former large and the latter small, and water enters the gas-liquid mixer after mixing with the foam liquid 7 The fire extinguishing agent that ...
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The invention relates to the technical field of A-type foam fire extinguishing devices, in particular to an air-storage compressed air A-type foam fire-extinguishing device. The inlet end of the water tank, the outlet end of the foam liquid tank is connected to the foam liquid inlet end of the water-liquid mixer, the water outlet end of the water tank is connected to the water inlet end of the water-liquid mixer, and the outlet end of the water-liquid mixer is connected to the gas-liquid The liquid inlet end of the mixer and the outlet end of the gas-liquid mixer are connected to a hose, and the hose is connected to the foam gun. A dry foam control valve and a wet foam control valve are arranged in parallel on the pipeline between the foam liquid tank and the water-liquid mixer. Foam control valve. Compared with the prior art, the compressed air provided by the gas storage bottle doubles as the water source power, the mixing power of water and foam liquid, and the air required for foam generation, the device structure is reasonable, the process is simple, the maintenance and operation requirements are low, and the cost is low. , Simple operation and reliable performance.
Description
[technical field] [0001] The invention relates to the technical field of a class A foam fire extinguishing device, in particular to an air storage type compressed air class A foam fire extinguishing device. [technical background] [0002] In the past, when the compressed air Class A foam rice removal device system generates foam, the required air is provided by the air compressor. In order to match the pressure water source provided by the water source with the pressure and flow rate of the compressed air, the system is equipped with water pumps and air compressors. In addition to power, it is also necessary to configure the pressure balance system components of water source and air, which makes the system complex, expensive, and requires high operation and maintenance. [Content of the invention] [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, to replace the air compressor with the gas storage bottle, the compressed air provi...
Claims
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IPC IPC(8): A62C35/00A62C35/68A62C5/02
Inventor 倪昌国陈斌
Owner 上海芜津消防设备有限公司