CN201565019U - Device for generating foam in high-speed gas jet - Google Patents
Device for generating foam in high-speed gas jet Download PDFInfo
- Publication number
- CN201565019U CN201565019U CN2009202358491U CN200920235849U CN201565019U CN 201565019 U CN201565019 U CN 201565019U CN 2009202358491 U CN2009202358491 U CN 2009202358491U CN 200920235849 U CN200920235849 U CN 200920235849U CN 201565019 U CN201565019 U CN 201565019U
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- Prior art keywords
- foam
- fire
- water
- jet
- liquid film
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- Expired - Fee Related
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- 239000006260 foam Substances 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000007921 spray Substances 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 231100000331 toxic Toxicity 0.000 abstract description 5
- 230000002588 toxic effect Effects 0.000 abstract description 5
- 239000011324 bead Substances 0.000 abstract description 4
- 239000003595 mist Substances 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 7
- 239000011493 spray foam Substances 0.000 description 5
- 230000009969 flowable effect Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 101710110539 Probable butyrate kinase 1 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a device for generating foam in a high-speed gas jet, foam fire-extinguishing liquid is jetted to be a liquid membrane-shaped jet, a high-speed gas stream impacts a liquid membrane, and the liquid membrane is torn and mixed with gas to generate foam beads which become a foam jet containing no flowing liquid water. Through the utility model, a turbojet fire engine has the means of jetting a foam fire-extinguishing agent, and the fire extinguishing efficiency is greatly improved. When a foam jetting button is not pressed, a gas-fine water mist jet is jetted by the turbojet fire engine and used for dissipating toxic smog in a fire field, controlling the fire behavior, lowering the temperature of the fire field and saving people in the fire field; when the foam jetting button is pressed, a gas-foam jet is jetted and used for rapidly extinguishing a big oil and gas fire and preventing the reburning of the fire, so that the turbojet fire engine with thousands of kilowatts of jetting power becomes real jumbo fire protection equipment.
Description
Technical field
The utility model belongs to fire-fighting domain, particularly a kind of device that foam fire-fighting liquid is generated foam in the high-speed gas jet of turbojet engine.
Background technology
Turbojet fire engine serves as to spray power with the huge aviation turbojet engine of power, with the high-speed gas jet is carrier, eject the thin jet spray of big flow high rate of fire, its injection capacity/complete vehicle quality is the motor driven type fire-fighting equipment of injection capacity maximum than surpassing 100 kilowatts/ton.Present many countries are used for putting out fast the oil gas big fire developing whirlpool spray fire plant, blow down toxic smog.For example, Hungary is installed in 2 P11 Ф-300 turbojet engines on the T-34 tank side by side, and high-speed gas jet cuts into thin jet spray with the direct current water of injecting, and becomes the huge whirlpool spray fire plant of injection capacity, is used for putting out fast the oil well big fire; Russia is installed in 1 BK-1 type turbojet engine on the truck chassis, sprays the spray water jet, becomes the turbojet fire engine of high maneuverability; Germany is installed in automobile chassis side by side with 2 retired La Zhake (Larzac) turbofans that are used for Alpha's jet trainer, sprays at a high speed thin water smoke, becomes the turbofan fire fighting truck.Spray fire plants in these whirlpools are putting out the oil gas big fire, are dispersing toxic smog that fire produces, brought into play important function aspect the coolings of the scene of a fire.But they also exist an important shortcoming: can not the spray foam extinguishing chemical.This not only influences the further raising of its blow-off velocity, and must rely on and other foam truck combined operation, could stop the resume combustion of oil gas fire.
In conventional foam truck, air enters spray gun to be mixed the method that the back produces foam and is divided into negative pressure method, positive platen press, nethike embrane method three classes with foam fire-fighting liquid.These methods can not make foam fire-fighting liquid generate foam in the high-speed gas jet of turbojet engine, and this is the reason place that the countries in the world turbojet fire engine can not the spray foam extinguishing chemical.China is the country that develops turbojet fire engine the earliest, the method that 90101257.2 and the 200810019411.X utility model patent of China provides vortex jetting fire extinguisher and sprayed thin water smoke, its nozzle also designs for spray thin water smoke in high velocity air, does not relate to the injection method of fire foam.
The utility model content
The purpose of this utility model is to provide a kind of big flow foam fire-fighting liquid to generate the device of foam in high-speed gas jet, the big flow foam hose stream of its high rate of fire can instantaneous covering large tracts of land very, put out the oil gas fire fast and stop its resume combustion.
The technical solution that realizes the utility model purpose is: a kind of device of realizing the above-mentioned method of foam that generates in high-speed gas jet, water is imported in the water pump through conveyance conduit by water tank, the import conveyance conduit of water pump also is connected with pump formula proportioner; Aqueous foam-forming solution or class A foam liquid from the foam solution case enter in the import conveyance conduit of water pump through pump formula proportioner and electromagnetic switch, the mixed liquid of water after the water pump pressurization or water and foam, enter in the liquid film nozzle through the annular duct road, inject in the air-water energy exchange spray tube with the shaped liquid film jet, with high velocity air bump from turbojet engine, liquid film is torn, and generates the foam beads jet that does not contain flowable aqueous water with the gas blending, penetrates at a high speed.
The utility model compared with prior art, its remarkable advantage is: (1) makes turbojet fire engine have the means of spray foam extinguishing chemical, and fire-fighting efficiency significantly improves.When not pressing the spray foam button, turbojet fire engine ejects gas-thin jet spray and is used to disperse scene of a fire toxic smog, and the control intensity of a fire for scene of a fire cooling, is used for the scene of a fire and rescues the people; Eject gas-foam hose stream after pressing " spray foam " button, be used for putting out fast the oil gas big fire and stop its resume combustion, the turbojet fire engine that makes injection capacity reach thousands of kilowatts becomes real " giant " fire-fighting equipment.(2) utility model MJPZ extinguishing chemical or class A foam extinguishing chemical sprayed be the new method of foam hose stream, AFFF that turbojet fire engine ejects or class A foam pearl jet do not contain flowable aqueous water, be also referred to as " dry foam ", not only become bubble rate height, and without the trickling can form the large tracts of land foam blanket, the advantage that the big flow fire foam that ejects shrouds big fire in addition, its high-speed jet has makes foam penetrate ability in the flame, makes turbojet fire engine be suitable for putting out fast petrochemical factory more, booster station, the gas station, the oil gas well, the big fire of aircraft etc.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the utility model generates the device of foam in high-speed gas jet a general structure schematic diagram.
Fig. 2 is the utility model annular duct road and the installation diagram of liquid film nozzle on air-water energy exchange spray tube.
Fig. 3 is the A-A cutaway view of the utility model Fig. 2.
Fig. 4 is the utility model liquid film nozzle arrangements profile.
Fig. 5 is the B-B cutaway view of the utility model Fig. 4.
Reference numeral and corresponding part thereof among the figure: water tank 1, water pump 2, conveyance conduit 3, proportioner 4, electromagnetic switch 5, fire foam case 6, liquid film nozzle 7, air-water energy exchange spray tube 8, annular duct road 9
The specific embodiment
In conjunction with Fig. 1 and Fig. 2, realize the device of the above-mentioned method of foam that in high-speed gas jet, generates, water to be imported in the water pump 2 through conveyance conduit 3 by water tank 1, the import conveyance conduit 3 of water pump 2 also is connected with pump formula proportioner 4; Aqueous foam-forming solution or class A foam liquid from foam solution case 6 enter in the import conveyance conduit 3 of water pump 2 through pump formula proportioner 4 and electromagnetic switch 5, water after water pump 2 pressurizations or water and the mixed liquid of foam, enter in the liquid film nozzle 7 through annular duct road 9, it is the shaped liquid film jet that foam fire-fighting liquid is sprayed, inject in the air-water energy exchange spray tube 8 with the shaped liquid film jet, with high velocity air bump from turbojet engine, liquid film is torn, generate the foam beads jet that does not contain flowable aqueous water with the gas blending, penetrate at a high speed.Wherein, the quantity of liquid film nozzle 7 can be 8～16, and the pressure that enters the foam fire-fighting liquid of liquid film nozzle is 0.8～1.2MP, and flow is 60～100kg/s.The exit end face of liquid film nozzle 7 is fan-shaped, covering of the fan extended corner β is 60～90 °, the gap in the exit of the injection channel that forms between the covering of the fan up and down is 2～3mm, the liquid film that liquid film nozzle 7 penetrates becomes 40～60 ° angle with the flow direction α that the air-flow in the tube 8 is sprayed in the air-water energy exchange, liquid film nozzle 7 is 45～60 ° with the angle that air-water energy exchange spray tube 8 axis form, as Fig. 3, Fig. 4 and Fig. 5.
Embodiment: in conjunction with Fig. 1 and Fig. 2, water is imported in the water pump 2 through conveyance conduit 3 by water tank 1, the import conveyance conduit 3 of water pump 2 also is connected with proportioner 4; Aqueous foam-forming solution or class A foam liquid from foam solution case 6 enter in the import conveyance conduit 3 of water pump 2 through pump formula proportioner 4 and electromagnetic switch 5, its setting enter the flow-rate ratio of mixing in the conveyance conduit 3 with water, be set at 1%, 3%, 6% when using the MJPZ extinguishing chemical; Be set at 0.5%, 1%, 3% when using the class A foam extinguishing chemical, also can set as required.
Water after water pump 2 pressurizations or water and the mixed liquid of fire foam, enter in the liquid film nozzle 7 through annular duct road 9, inject in the air-water energy exchange spray tube 8 with the shaped liquid film jet, with high velocity air bump from turbojet engine, liquid film is torn, generate the foam beads jet that does not contain flowable aqueous water with the gas blending, penetrate at a high speed.When the discharge in entering air-water energy exchange spray tube 8 was 60kg/s, the range of foam hose stream can reach 90～100m, and the instantaneous covering of foam scene of a fire area is 200m
2
Import fire foam in predefined ratio to water pump 2 imports by pumping formula foam proportioner 4 when electromagnetic switch 5 is opened, this moment, turbojet fire engine ejected " gas--foam hose stream "; When electromagnetic switch 5 was not opened, pumping formula foam proportioner 4 was not worked, and turbojet fire engine only ejects " air-water mist dual-phase jet ", was used to control the intensity of a fire, drives away toxic and harmful, reduced fire scene temperature, was beneficial to rescue.
Claims (2)
1. device that in high-speed gas jet, generates foam, it is characterized in that: water is imported in the water pump [2] through conveyance conduit [3] by water tank [1], the import conveyance conduit [3] of water pump [2] also is connected with pump formula proportioner [4]; Aqueous foam-forming solution or class A foam liquid from foam solution case [6] enter in the import conveyance conduit [3] of water pump [2] through pump formula proportioner [4] and electromagnetic switch [5], the mixed liquid of water after water pump [2] pressurization or water and foam, enter in the liquid film nozzle [7] through annular duct road [9], inject in the air-water energy exchange spray tube [8] with the shaped liquid film jet.
2. the device that in high-speed gas jet, generates foam according to claim 1, it is characterized in that: the exit end face of liquid film nozzle [7] is fan-shaped, the covering of the fan extended corner is 60～90 °, the gap in the exit of the injection channel that forms between the covering of the fan up and down is 2～3mm, the liquid film that liquid film nozzle [7] penetrates becomes 40～60 ° angle with the flow direction that the air-flow in the tube [8] is sprayed in the air-water energy exchange, and liquid film nozzle [7] is 45～60 ° with the angle of air-water energy exchange spray tube [8] axis formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202358491U CN201565019U (en) | 2009-09-28 | 2009-09-28 | Device for generating foam in high-speed gas jet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202358491U CN201565019U (en) | 2009-09-28 | 2009-09-28 | Device for generating foam in high-speed gas jet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201565019U true CN201565019U (en) | 2010-09-01 |
Family
ID=42657299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202358491U Expired - Fee Related CN201565019U (en) | 2009-09-28 | 2009-09-28 | Device for generating foam in high-speed gas jet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201565019U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399210A (en) * | 2014-11-20 | 2015-03-11 | 中国船舶重工集团公司第七二六研究所 | Composite fire extinguishing method combining fine water mist fire extinguishment and clean gas fire extinguishment |
| CN105749463A (en) * | 2016-05-03 | 2016-07-13 | 曹景怡 | Novel vehicle-mounted fire extinguishing system and fire prevention method |
| CN109045527A (en) * | 2018-07-03 | 2018-12-21 | 公安部天津消防研究所 | Big flow compressed-air foam water tower fire truck and application method |
| CN111298346A (en) * | 2020-03-31 | 2020-06-19 | 国网江苏省电力有限公司 | A fire extinguisher for a fire truck and a fire truck with the fire extinguisher |
| CN114652983A (en) * | 2020-12-22 | 2022-06-24 | 中国石油化工股份有限公司 | Water mist and foam coupling thermal protection system |
| CN115666736A (en) * | 2020-04-10 | 2023-01-31 | 耶特克斯创新有限股份公司 | Fire-extinguishing system with fire-fighting nozzles |
-
2009
- 2009-09-28 CN CN2009202358491U patent/CN201565019U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399210A (en) * | 2014-11-20 | 2015-03-11 | 中国船舶重工集团公司第七二六研究所 | Composite fire extinguishing method combining fine water mist fire extinguishment and clean gas fire extinguishment |
| CN104399210B (en) * | 2014-11-20 | 2017-10-24 | 中国船舶重工集团公司第七二六研究所 | The composite fire extinguishing method that fine mist fire-fighting and clean gas fire extinguishing are combined |
| CN105749463A (en) * | 2016-05-03 | 2016-07-13 | 曹景怡 | Novel vehicle-mounted fire extinguishing system and fire prevention method |
| CN109045527A (en) * | 2018-07-03 | 2018-12-21 | 公安部天津消防研究所 | Big flow compressed-air foam water tower fire truck and application method |
| CN109045527B (en) * | 2018-07-03 | 2023-10-20 | 公安部天津消防研究所 | High-flow compressed air foam lifting jet fire truck and use method thereof |
| CN111298346A (en) * | 2020-03-31 | 2020-06-19 | 国网江苏省电力有限公司 | A fire extinguisher for a fire truck and a fire truck with the fire extinguisher |
| CN115666736A (en) * | 2020-04-10 | 2023-01-31 | 耶特克斯创新有限股份公司 | Fire-extinguishing system with fire-fighting nozzles |
| CN114652983A (en) * | 2020-12-22 | 2022-06-24 | 中国石油化工股份有限公司 | Water mist and foam coupling thermal protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |