CN102068780A - Air-water mixed fire extinguishing spray nozzle - Google Patents
Air-water mixed fire extinguishing spray nozzle Download PDFInfo
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- CN102068780A CN102068780A CN 201110023105 CN201110023105A CN102068780A CN 102068780 A CN102068780 A CN 102068780A CN 201110023105 CN201110023105 CN 201110023105 CN 201110023105 A CN201110023105 A CN 201110023105A CN 102068780 A CN102068780 A CN 102068780A
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- fire extinguishing
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Abstract
The invention aims to provide an air-water mixed fire extinguishing spray nozzle. The nozzle comprises an outer sleeve, a rectifying pore plate, a water collecting disc, a mixing cavity, a foaming silk screen and a sealing ring, wherein an air injection hole is formed on the outer sleeve; the sealing ring is arranged at the bottom of the outer sleeve; the mixing cavity is arranged in the outer sleeve; an air guide hole is formed on the mixing cavity; an air collecting cavity is formed between the mixing cavity and the outer sleeve; the water collecting disc is arranged on the mixing cavity; small throttle holes are distributed on the water collecting disc; the rectifying pore plate is arranged on the water collecting disc; a cavity is formed between the rectifying pore plate and the water collecting disc; and the foaming silk screen is arranged on the lower part of the mixing cavity. The air-water mixed fire extinguishing spray nozzle has the advantages of simple structure, uniform gas-water mixing, large coverage on a fired body, high fire extinguishing efficiency, particularly obvious fire extinguishing effect on oil, low pollution to environment and the like.
Description
Technical field
What the present invention relates to is a kind of shower nozzle, a kind of specifically fire extinguishing sprayer that is used for fire-fighting fire extinguishing facility technology field.
Background technology
Fire extinguishing sprayer is the important composition parts of fire-fighting fire extinguishing facility, and the performance of fire extinguishing sprayer directly affects the effect of fire extinguishing.
Traditional water jet fire extinguishing sprayer water consumption height, and high speed water jet impact can produce the phenomenon that splashes of current when catching fire body, reduces the fire extinguishing effect greatly.The structure improved fire extinguishing sprayer of patent No. ZL200820086893.6, it is a kind of fountain fire extinguishing sprayer that is fixed in the roof, recycled the water that spatters originally on the wall by adding baffle plate, but the current that it does not still have to solve when the surface is caught fire in the direct impact of high-velocity flow splash problem, and only be applicable to that being fixed on wall uses, be not suitable for portable fire extinguishing system, this kind shower nozzle projected area is big, when the bulk area hour waste great lot of water resources of catching fire, and water damage is big, remove this when the body that catches fire is oily substance, only will lose the fire extinguishing effect as extinguishing chemical with water.
The carbon-dioxide fire engine shower nozzle is widely used, the low pressure CO 2 system-specific shower nozzle that is provided as patent No. ZL200620078102.6, after the carbon dioxide ejection through distributing damper to around spray, but the carbon dioxide after the gasification can not effectively cover the surface that catches fire, foamite amount is big, caused the effect of suffocating of large space, long-time use causes scene of a fire personnel to suffocate easily.
Fine water mist fire-extinguishing system is effective, still, the mist-generating nozzle complex structure, water mist system pressure height, to pipeline, accessory, and the operating pressure of water pump require corresponding raising.
At present all there is certain defective in several fire extinguishing sprayers that use: extinguishing chemical is single, big to oils fire extinguishing weak effect, foamite amount, to object of protection and shortcoming such as the people is harmful, nozzle structure is complicated, poor to the body spreadability of catching fire, fire-fighting efficiency is low.Therefore need a kind of simple in structure, novel, fire extinguishing sprayer efficiently.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, do not splash, good to the body spreadability of catching fire, can be used for oils fire extinguishing, fire-fighting efficiency height, harmless air water mixed type fire extinguishing sprayer.
The object of the present invention is achieved like this:
Gas-water mixed type fire extinguishing sprayer of the present invention, comprise outer sleeve, it is characterized in that: also comprise rectification orifice plate, water-collecting tray, hybrid chamber, foaming silk screen and sealing ring, have injecting hole on the outer sleeve, sealing ring is installed in the outer sleeve bottom, hybrid chamber is installed in the outer sleeve, have gas port on the hybrid chamber, form air collecting chamber between hybrid chamber and the outer sleeve, water-collecting tray is installed on the hybrid chamber, is furnished with throttling pore on the water-collecting tray, and the rectification orifice plate is installed on the water-collecting tray, form cavity between rectification orifice plate and the water-collecting tray, the foaming silk screen is installed on the bottom of hybrid chamber.
The present invention can also comprise:
1, described outer sleeve one end has the screw thread that is connected with fire extinguisher canvas hose, and injecting hole is positioned at the side of outer sleeve, and the quantity of injecting hole is 3-6, and the fixedly boss and the flange that seal washer, sealing air collecting chamber are installed of hybrid chamber also are set on the outer sleeve.
2, the quantity of described gas port is 18-20 and is evenly distributed on the hybrid chamber, and hybrid chamber is the individual layer cylindrical shell, and hybrid chamber is provided with flange, and the hybrid chamber lower end diameter is less than upper end diameter, and air collecting chamber is a wedge shape.
3, the boss of throttling pore and spacing rectification orifice plate is set on the described water-collecting tray.
4, described foaming silk screen has the 1-2 layer.
Advantage of the present invention is: the present invention is simple in structure, and gas-vapor mix is even, and is good to the body spreadability of catching fire, and the fire-fighting efficiency height is especially obvious to oily substance fire extinguishing effect, and environmental pollution is little.
Description of drawings
Fig. 1 is the profile of the hybrid fire extinguishing sprayer of the present invention;
Fig. 2 is an outer sleeve schematic diagram of the present invention;
Fig. 3 is an A-A profile of the present invention;
Fig. 4 is a hybrid chamber schematic diagram of the present invention;
Fig. 5 is a B-B profile of the present invention;
Fig. 6 is a water-collecting tray schematic diagram of the present invention;
Fig. 7 is a C-C profile of the present invention.
The specific embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
Embodiment 1:
In conjunction with Fig. 1～7, the primary structure of gas-water mixed type fire extinguishing sprayer of the present invention comprises outer sleeve 1, rectification orifice plate 2, water-collecting tray 3, hybrid chamber 4, foaming silk screen 5, wherein on the hybrid chamber 4 gas port 6 is arranged, injecting hole 7 is arranged on the outer sleeve 1, form air collecting chamber 8 between outer sleeve 1 and the hybrid chamber 4, sealing ring 9 is contained in outer sleeve 1 bottom.
In conjunction with Fig. 1～3, evenly have three injecting holes 7 on the outer sleeve 1, the hole is centered close to 3/7 place, outer sleeve 1 lower end, is used for the injection of carbon dioxide; Internal thread on it is connected with fire extinguisher canvas hose; There is a circle boss screw thread below, is used for fixing hybrid chamber 4; One flange is arranged below the outer sleeve 1, be used to lay sealing ring and seal air collecting chamber 8.
In conjunction with Fig. 4～5, a circle flange is arranged at individual layer hybrid chamber 4 tops, and lug upper surface is used for spacing water-collecting tray 3, and flange lower surface block is in the boss of outer sleeve 1; Hybrid chamber 4 belows contact with the flange of outer sleeve 1 below, by sealing ring 9 sealings, prevent gas leakage; Hybrid chamber 4 outer wall hypomere external diameters reduce gradually, and therefore fixing back and outer sleeve 1 form the air collecting chamber 8 of a wedge shape; Uniform 18 gas ports 6 on the hybrid chamber 4, gas port 6 are centered close to 2/5 place, hybrid chamber 4 lower ends, the carbon dioxide in the air collecting chamber 8 evenly can be mixed with water; Two-layer foaming silk screen 5 is installed in hybrid chamber 4 belows, is used for carbon dioxide is broken into tiny bubble, with the abundant blending of current.
In conjunction with Fig. 6～7, the boss in the water-collecting tray 3 is used for fixing rectification orifice plate 2, makes and forms a cavity between rectification orifice plate 2 and the water-collecting tray 3; The flange block in water-collecting tray 3 outsides is in the flange of hybrid chamber 4; The throttle orifice that gathers on the water-collecting tray 3 makes the incoming flow current form the multiply line streaming, and throttling is quickened, and forms negative pressuren zone in hybrid chamber 4, helps mixing of carbon dioxide and water; During work, water-collecting tray 3 tops add a sealing ring, cooperate with fire extinguisher canvas hose, prevent to leak.
Above-mentioned efficient mixing fire extinguishing sprayer is when work, and current enter water-collecting tray 3 through rectification orifice plate 2, under the throttling action of aperture on the water-collecting tray 3, improves flow velocity, forms the multiply line streaming in hybrid chamber 4, and produces negative pressure.By carbon dioxide injecting hole 7 injecting carbon dioxide gases, owing to have higher pressure reduction in injecting hole 7 and the hybrid chamber 4, therefore carbon dioxide enters the air collecting chamber 8 of wedge shape by injecting hole 7, and enter hybrid chamber 4 and the blending of main flow water, and can reach degree uniformly by uniform gas port 6.Mixed air-water mixture sprays by three layers of foaming silk screen 5.The even a lot of carbon dioxide bubble of blending in the current, when air-water mixture impacts comburant, because air water mixes, make water and carbon dioxide promptly cover the comburant surface, do not splash phenomenon, cover under the double action of suffocating, reach the purpose of high-effect fire-extinguishing in the cooling of water and carbon dioxide bubble, and the consumption of carbon dioxide and water is less, to not injury of human body.In addition, this efficient air water mixing fire extinguishing sprayer is fine to combustible liquid fire effects such as oils, and air-water mixture can be layered on liquid surface apace, and secluding air reduces temperature, controls fire spreading and fire extinguishing fast.
Claims (9)
1. gas-water mixed type fire extinguishing sprayer, comprise outer sleeve, it is characterized in that: also comprise rectification orifice plate, water-collecting tray, hybrid chamber, foaming silk screen and sealing ring, have injecting hole on the outer sleeve, sealing ring is installed in the outer sleeve bottom, hybrid chamber is installed in the outer sleeve, have gas port on the hybrid chamber, form air collecting chamber between hybrid chamber and the outer sleeve, water-collecting tray is installed on the hybrid chamber, is furnished with throttling pore on the water-collecting tray, and the rectification orifice plate is installed on the water-collecting tray, form cavity between rectification orifice plate and the water-collecting tray, the foaming silk screen is installed on the bottom of hybrid chamber.
2. gas-water mixed type fire extinguishing sprayer according to claim 1, it is characterized in that: described outer sleeve one end has the screw thread that is connected with fire extinguisher canvas hose, injecting hole is positioned at the side of outer sleeve, the quantity of injecting hole is 3-6, and the fixedly boss and the flange that seal washer, sealing air collecting chamber are installed of hybrid chamber also are set on the outer sleeve.
3. gas-water mixed type fire extinguishing sprayer according to claim 1 and 2, it is characterized in that: the quantity of described gas port is 18-20 and is evenly distributed on the hybrid chamber that hybrid chamber is the individual layer cylindrical shell, and hybrid chamber is provided with flange, the hybrid chamber lower end diameter is less than upper end diameter, and air collecting chamber is a wedge shape.
4. gas-water mixed type fire extinguishing sprayer according to claim 1 and 2 is characterized in that: the boss that throttling pore and spacing rectification orifice plate are set on the described water-collecting tray.
5. gas-water mixed type fire extinguishing sprayer according to claim 3 is characterized in that: the boss that throttling pore and spacing rectification orifice plate are set on the described water-collecting tray.
6. gas-water mixed type fire extinguishing sprayer according to claim 1 and 2 is characterized in that: described foaming silk screen has the 1-2 layer.
7. gas-water mixed type fire extinguishing sprayer according to claim 3 is characterized in that: described foaming silk screen has the 1-2 layer.
8. gas-water mixed type fire extinguishing sprayer according to claim 4 is characterized in that: described foaming silk screen has the 1-2 layer.
9. gas-water mixed type fire extinguishing sprayer according to claim 5 is characterized in that: described foaming silk screen has the 1-2 layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100231055A CN102068780B (en) | 2011-01-16 | 2011-01-16 | Air-water mixed fire extinguishing spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100231055A CN102068780B (en) | 2011-01-16 | 2011-01-16 | Air-water mixed fire extinguishing spray nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102068780A true CN102068780A (en) | 2011-05-25 |
| CN102068780B CN102068780B (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100231055A Expired - Fee Related CN102068780B (en) | 2011-01-16 | 2011-01-16 | Air-water mixed fire extinguishing spray nozzle |
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| CN (1) | CN102068780B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928319A (en) * | 2012-10-22 | 2013-02-13 | 哈尔滨工程大学 | Experiment and measurement device for researching flow characteristics of two-phase pulsating flow in rectangular channel |
| CN105363160A (en) * | 2015-11-24 | 2016-03-02 | 中国民用航空飞行学院 | Controllable air inlet foam gun |
| CN108378003A (en) * | 2018-03-26 | 2018-08-10 | 朱德仲 | A kind of deinsectization flusher for forestry |
| CN110806774A (en) * | 2019-11-28 | 2020-02-18 | 广州大学 | Intelligent environment planting system and control method thereof |
| CN111957000A (en) * | 2020-08-16 | 2020-11-20 | 嘉兴新博信息科技有限公司 | Intelligent building equipment automatic control alarm device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000012177A1 (en) * | 1998-08-12 | 2000-03-09 | Edvardsen Odd J | Method for production of a fire fighting foam, nozzle head and an arrangement in a fire extinguishing installation |
| CN2460131Y (en) * | 2000-11-29 | 2001-11-21 | 北京市昌平县亚东金属结构厂 | Middle-low multiple foam generator |
| CN200951280Y (en) * | 2006-09-06 | 2007-09-26 | 南京消防器材股份有限公司 | Nozzle used specially for low pressure carbon dioxide fire fighting system |
-
2011
- 2011-01-16 CN CN2011100231055A patent/CN102068780B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000012177A1 (en) * | 1998-08-12 | 2000-03-09 | Edvardsen Odd J | Method for production of a fire fighting foam, nozzle head and an arrangement in a fire extinguishing installation |
| CN2460131Y (en) * | 2000-11-29 | 2001-11-21 | 北京市昌平县亚东金属结构厂 | Middle-low multiple foam generator |
| CN200951280Y (en) * | 2006-09-06 | 2007-09-26 | 南京消防器材股份有限公司 | Nozzle used specially for low pressure carbon dioxide fire fighting system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928319A (en) * | 2012-10-22 | 2013-02-13 | 哈尔滨工程大学 | Experiment and measurement device for researching flow characteristics of two-phase pulsating flow in rectangular channel |
| CN105363160A (en) * | 2015-11-24 | 2016-03-02 | 中国民用航空飞行学院 | Controllable air inlet foam gun |
| CN108378003A (en) * | 2018-03-26 | 2018-08-10 | 朱德仲 | A kind of deinsectization flusher for forestry |
| CN110806774A (en) * | 2019-11-28 | 2020-02-18 | 广州大学 | Intelligent environment planting system and control method thereof |
| CN111957000A (en) * | 2020-08-16 | 2020-11-20 | 嘉兴新博信息科技有限公司 | Intelligent building equipment automatic control alarm device |
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| Publication number | Publication date |
|---|---|
| CN102068780B (en) | 2012-03-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Tao Inventor after: Han Jia Inventor after: Wang Song Inventor after: Wang Zhongyi Inventor after: Luan Yigang Inventor after: Qu Yonglei Inventor after: Sun Haiou Inventor before: Sun Tao Inventor before: Han Jia Inventor before: Wang Song Inventor before: Wang Zhongyi Inventor before: Luan Gang Inventor before: Qu Yonglei Inventor before: Sun Haiou |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SUN TAO HAN JIA WANG SONG WANG ZHONGYI LUAN GANG QU YONGLEI SUN HAIOU TO: SUN TAO HAN JIA WANG SONG WANG ZHONGYI LUAN YIGANG QU YONGLEI SUN HAIOU |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20190116 |