CN201049165Y - Negative pressure compressed air A kind foam fire-extinguishing device - Google Patents
Negative pressure compressed air A kind foam fire-extinguishing device Download PDFInfo
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- CN201049165Y CN201049165Y CNU2007200523442U CN200720052344U CN201049165Y CN 201049165 Y CN201049165 Y CN 201049165Y CN U2007200523442 U CNU2007200523442 U CN U2007200523442U CN 200720052344 U CN200720052344 U CN 200720052344U CN 201049165 Y CN201049165 Y CN 201049165Y
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Abstract
The utility model relates to a negative pressure type compressed air class A foam fire-fighting device, belonging to the fire-fighting apparatus field, particularly relating to a negative pressure type foam fire-fighting device, wherein a water pump is connected with a pressure gauge control valve, a fire-fighting lance, a fire-fighting monitor and a fire-fighting reel, forming a water supply pipeline; a foam liquid box is connected with a control valve, a foam proportional valve and a foam mixer, forming a foam liquid supply pipeline; an air compressor is connected with a pressure gauge, an air tank, a control valve, an air and liquid mixer for lance, an air and liquid mixer for monitor and an air and liquid mixer for reel, forming an air supply pipeline; the water supply pipeline, the foam liquid supply pipeline, the air supply pipeline, a control valve, a spoiler for lance, a spoiler for monitor and a spoiler for reel are connected with each other, forming a compressed air foam pipeline. The foam mixer generates the negative pressure for sucking in the foam liquid to mix with the water, forming the mixed liquor. The utility model has the advantages of simple structure, reasonable design, superior fire-extinguishing and heat insulation protection effects, convenient operation and easy maintenance.
Description
Technical field
The utility model suction type compressed-air type A foam extinguishing device belongs to the fire-fighting equipment field, particularly relates to a kind of suction type compressed-air type A foam extinguishing device.
Background technology
Fixed froth installation can fixedly mount or be provided to fire-fighting vehicle, is made up of with flow spoiler, fire monitor, fire-fighting lance, fire-fighting bobbin disk etc. with air and liquid mixer, reel with flow spoiler, reel with air and liquid mixer, rifle with flow spoiler, rifle with air and liquid mixer, big gun water pump, foam proportioning unit, air compressor, big gun.The pressure water source that water pump the provides foam mixer of flowing through; form mixed liquor; ratio between water and the foam solution is by the foam proportional valve control; the compressed air that air compressor provides enters into pipeline by air and liquid mixer; through the flow spoiler stirring action compressed air is fully mixed with mixed liquor again; after fire water monitor, fire-fighting lance or fire-fighting bobbin disk eject, can reach fire extinguishing and thermal insulation protection effect.The present domestic positive-pressure type compressed-air type A foam extinguishing device that has; but positive-pressure type compressed-air type A foam extinguishing device depended on pressure water extrudes foam solution; so device need be shut down in the time of need annotating foam solution water is bled off; the easy like this scene of fire discontinuity in when fire extinguishing that causes; and be subjected to the influence of hydraulic pressure height, the ratio of mixed liquor is difficult to more accurately control.And the price comparison of external similar compressed-air type A foam extinguishing device expensive be several times of homemade price.
Summary of the invention
The purpose of this utility model is to avoid weak point of the prior art and provides a kind of foam solution to mix with water by the suction type blender; foam solution fully mixes with water; guarantee the jeting effect and the quality of foam, produce the suction type fixed froth installation of desirable fire extinguishing and thermal insulation protection effect.
The purpose of this utility model reaches by following measure, the suction type compressed-air type A foam extinguishing device is by water pump, by-pass valve control, foam mixer, the foam proportioning valve, the rifle air and liquid mixer, the big gun air and liquid mixer, the reel air and liquid mixer, the rifle flow spoiler, the big gun flow spoiler, the reel flow spoiler, air compressor is formed, water pump is connected on the foam mixer, the foam solution case is connected on the foam mixer, air compressor is connected on the air and liquid mixer, foam mixer is connected on the air and liquid mixer, air and liquid mixer connects flow spoiler, foam mixer produces negative pressure to be mixed the foam solution suction with water, water pump and Pressure gauge by-pass valve control, fire-fighting lance, fire monitor, fire-fighting bobbin disk links to each other and constitutes supply channel, foam solution case and by-pass valve control, the foam proportioning valve, foam mixer links to each other and constitutes for the foam solution pipeline, air compressor and Pressure gauge, gas tank, by-pass valve control, the rifle air and liquid mixer, the big gun air and liquid mixer, reel links to each other with air and liquid mixer and constitutes supply air line, supply channel, for the foam solution pipeline, supply air line, by-pass valve control, the rifle flow spoiler, the big gun flow spoiler, reel links to each other with flow spoiler and constitutes the compressed-air foam pipeline.Foam mixer is the suction type blender.
Water pump provides pressure water source, and water pump is connected on the foam mixer, and the foam solution case provides foam, the foam solution case is connected on the foam mixer, foam solution mixes with water in foam mixer, forms mixed liquor, and the ratio between water and the foam solution is by the foam proportional valve control.Air compressor is connected on the air and liquid mixer, foam mixer is connected on the air and liquid mixer, compressed air is fully mixed with mixed liquor, and air and liquid mixer connects flow spoiler, and flow spoiler connects fire water monitor, fire-fighting lance or fire-fighting bobbin disk.
Foam mixer is the suction type blender, on the foam mixer housing mixer nozzle is installed, and forms a negative pressure cavity at the foam mixer spray nozzle front end, and trunnion communicates with negative pressure cavity, is communicated with on negative pressure cavity at the foam inlet that is provided with on the foam mixer.Foam mixer produces negative pressure to be mixed the foam solution suction with water, form mixed liquor.
The utility model is simple in structure, and is reasonable in design, can reach superior fire extinguishing and thermal insulation protection effect, easy to operate, safeguards simple.
Description of drawings
Accompanying drawing 1 is a work schematic diagram of the present utility model.
Accompanying drawing 2 is structural representations of the present utility model.
Accompanying drawing 4 is side-looking structural representations of accompanying drawing 1.
Accompanying drawing 5 is foam mixer structural representations of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, shown in the accompanying drawing 4, the utility model is to go out foam line 1 by big gun, big gun outlet pipeline 2, water foam solution mixed pipe line 3, foam solution pipeline 4, foam solution pipeline 5, control cabinet and control panel 6, foam solution case 7, reel assembly 8, reel water spray foam line 9, big gun air inlet pipe 10, air compressor 11, air compressor transmission mechanism 12, water pump 13, fire-fighting lance outlet pipeline 14, fire-fighting lance outlet pipeline 14, fire-fighting lance goes out foam line 15, exit of pump check-valves 16, pump water inlet road 17, reel air inlet pipeline 18, fire-fighting lance air inlet pipeline 19, fire-fighting lance air inlet pipeline 20, fire-fighting lance outlet pipeline 21, water injecting pipeline 22 is formed.Water pump 13 link to each other with Pressure gauge, by-pass valve control, fire-fighting lance, fire monitor 42, fire-fighting bobbin disk 8 constitute supply channel, foam solution case 7 links to each other with by-pass valve control, foam proportioning valve 33, foam mixer 32 and constitutes for the foam solution pipeline, air compressor 11 and Pressure gauge, gas tank 41, by-pass valve control, rifle with air and liquid mixer 35, big gun with air and liquid mixer 39, reel with the air and liquid mixer 37 formation supply air line that links to each other.Supply channel, linking to each other with flow spoiler 38 with flow spoiler 40, reel with flow spoiler 36, big gun for foam solution pipeline, supply air line, by-pass valve control, rifle constitutes the compressed-air foam pipelines.The pressure water source that water pump the provides foam mixer of flowing through, foam mixer produce negative pressure and foam solution is sucked mix with water, the formation mixed liquor, and the ratio between water and the foam solution is by the foam proportional valve control.The compressed air that air compressor provides enters into pipeline by air and liquid mixer, through the flow spoiler stirring action compressed air is fully mixed with mixed liquor again, forms the compressed air class A foam.The compressed air class A foam can reach superior fire extinguishing and thermal insulation protection effect after fire water monitor, fire-fighting lance or fire-fighting bobbin disk eject.
As shown in Figure 5, foam mixer of the present utility model is the suction type blender, mixer nozzle 47 is installed on foam mixer housing 46, form a negative pressure cavity 45 at the foam mixer spray nozzle front end, trunnion 44 communicates with negative pressure cavity, be communicated with on negative pressure cavity at the foam inlet that is provided with on the foam mixer, when the mixer nozzle on the current process foam mixer, the jet of nozzle dwindles suddenly, makes current quicken the trunnion of current directive spray nozzle front end, when the water column that current form passes through negative pressure cavity, air in the negative pressure cavity is taken away, in negative pressure cavity, produced vacuum, thereby foam solution is sucked.Foam solution mixes with water by the suction type blender.No matter hydraulic pressure is high or low in the pipeline, foam solution can both fully mix with water.The flow of foam solution can be more accurately controlled in the adjustment of position, the hole size on the foam proportioning valve, thereby can reach more accurate mixing ratio.Air and liquid mixer fully enters in the pipeline compressed air, has guaranteed to install required frostproof froth n multiple.Flow spoiler fully mixes mixed liquor, compressed air two phase flow, guarantees the jeting effect and the quality of foam, produces the foam of desirable fire extinguishing and thermal insulation protection effect.
Claims (3)
1. suction type compressed-air type A foam extinguishing device, form by water pump, by-pass valve control, foam mixer, foam proportioning valve, air and liquid mixer, flow spoiler, air compressor, it is characterized in that water pump is connected on the foam mixer, the foam solution case is connected on the foam mixer, air compressor is connected on the air and liquid mixer, foam mixer is connected on the air and liquid mixer, air and liquid mixer connects flow spoiler, foam mixer is the suction type blender, and foam mixer produces negative pressure to be mixed the foam solution suction with water.
2. suction type compressed-air type A foam extinguishing device according to claim 1, it is characterized in that water pump and Pressure gauge by-pass valve control, fire-fighting lance, fire monitor, fire-fighting bobbin disk links to each other and constitutes supply channel, foam solution case and by-pass valve control, the foam proportioning valve, foam mixer links to each other and constitutes for the foam solution pipeline, air compressor and Pressure gauge, gas tank, by-pass valve control, the rifle air and liquid mixer, the big gun air and liquid mixer, reel links to each other with air and liquid mixer and constitutes supply air line, supply channel, for the foam solution pipeline, supply air line, by-pass valve control, the rifle flow spoiler, the big gun flow spoiler, reel links to each other with flow spoiler and constitutes the compressed-air foam pipeline.
3. suction type compressed-air type A foam extinguishing device according to claim 1, it is characterized in that on the foam mixer housing, mixer nozzle being installed, form a negative pressure cavity at the foam mixer spray nozzle front end, trunnion communicates with negative pressure cavity, is communicated with on negative pressure cavity at the foam inlet that is provided with on the foam mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200523442U CN201049165Y (en) | 2007-05-30 | 2007-05-30 | Negative pressure compressed air A kind foam fire-extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200523442U CN201049165Y (en) | 2007-05-30 | 2007-05-30 | Negative pressure compressed air A kind foam fire-extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201049165Y true CN201049165Y (en) | 2008-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200523442U Expired - Fee Related CN201049165Y (en) | 2007-05-30 | 2007-05-30 | Negative pressure compressed air A kind foam fire-extinguishing device |
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| CN (1) | CN201049165Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000407A (en) * | 2010-09-30 | 2011-04-06 | 天津龙盛世博安全设备有限公司 | High expansion foam generator |
| CN103028333A (en) * | 2012-12-04 | 2013-04-10 | 北京中卓时代消防装备科技有限公司 | High-efficient foaming device for compressed air A-type foams |
| CN106621147A (en) * | 2017-01-23 | 2017-05-10 | 中国民用航空飞行学院 | Foaming multiple adjustable airborne foam nozzle |
| CN107519595A (en) * | 2017-10-11 | 2017-12-29 | 南京德沃克自动化有限公司 | A kind of big flow CAFS |
| CN109882443A (en) * | 2019-04-03 | 2019-06-14 | 浙江华球机械制造有限公司 | A kind of Novel firefighting pump |
| WO2021211571A1 (en) * | 2020-04-14 | 2021-10-21 | Minimax Viking Research & Development Gmbh | High-expansion foam generator having a nozzle with a tip having a conical configuration |
-
2007
- 2007-05-30 CN CNU2007200523442U patent/CN201049165Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000407A (en) * | 2010-09-30 | 2011-04-06 | 天津龙盛世博安全设备有限公司 | High expansion foam generator |
| CN103028333A (en) * | 2012-12-04 | 2013-04-10 | 北京中卓时代消防装备科技有限公司 | High-efficient foaming device for compressed air A-type foams |
| CN103028333B (en) * | 2012-12-04 | 2014-10-15 | 北京中卓时代消防装备科技有限公司 | Foaming device for compressed air A-type foams |
| CN106621147A (en) * | 2017-01-23 | 2017-05-10 | 中国民用航空飞行学院 | Foaming multiple adjustable airborne foam nozzle |
| CN107519595A (en) * | 2017-10-11 | 2017-12-29 | 南京德沃克自动化有限公司 | A kind of big flow CAFS |
| CN109882443A (en) * | 2019-04-03 | 2019-06-14 | 浙江华球机械制造有限公司 | A kind of Novel firefighting pump |
| WO2021211571A1 (en) * | 2020-04-14 | 2021-10-21 | Minimax Viking Research & Development Gmbh | High-expansion foam generator having a nozzle with a tip having a conical configuration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI JIN-WU FIRE EQUIPMENT CO., LTD. Free format text: FORMER OWNER: GUANGZHOU WUJIN FIRE FIGHTING EQUIPMENT CO., LTD. Effective date: 20080926 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080926 Address after: Shanghai Yuexiu Road No. 353, building 4, 3 floor, zip code: 200072 Patentee after: Shanghai Wujin Fire Fighting Apparatus Co., Ltd. Address before: Guangzhou City, Guangdong province Panyu District Shawan Town maggots Yong Industrial Zone, zip code: 511486 Patentee before: Guangzhou Wujin Fire Fighting Equipment Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 |