CN201906381U - Composite jet firefighting gun - Google Patents
Composite jet firefighting gun Download PDFInfo
- Publication number
- CN201906381U CN201906381U CN2010205843171U CN201020584317U CN201906381U CN 201906381 U CN201906381 U CN 201906381U CN 2010205843171 U CN2010205843171 U CN 2010205843171U CN 201020584317 U CN201020584317 U CN 201020584317U CN 201906381 U CN201906381 U CN 201906381U
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- Prior art keywords
- nozzle
- annular
- pipeline
- outer cover
- fire
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- Expired - Fee Related
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Abstract
The utility model relates to a composite jet firefighting gun, which comprises a gun body and a handle connected with the gun body, wherein two independent nozzles are arranged at the head part of the gun body; two independent inlets used for connecting external pipes are arranged at the tail part of the gun body; a first inlet is communicated with a first nozzle through a first pipeline; a second inlet is communicated with a second nozzle through a second pipeline; an annular outer cover is sleeved at the outer side of the first nozzle; an annular water separating disc is in threaded connection with the outlet end of the first nozzle; an annular bulge coaxial with the annular water separating disc is arranged at a position corresponding to the head part of the annular outer cover on the outer wall of the annular water separating disc; and the bulge and the head part of the annular outer cover form the second nozzle. The utility model provides the composite jet firefighting gun which can jet various types of extinguishants, and has a good mixing effect.
Description
Technical field
The utility model relates to a kind of compound jet Fire branch, belongs to the extinguishant jetting device of fire-fighting domain.
Background technology
Development along with fire prevention, we find two or more extinguishing chemicals are ejected the formation compound fire-extinguishing agent simultaneously, have higher fire-fighting efficiency, particularly at oil, chemical industry fire, electrical fire etc., compound fire-fighting technique demonstrates its fire extinguishing advantage more.Compound jet ejecting extinguishing technology is meant with the high-velocity flow to be carrier, water/foam premixed liquid and hydrophobic ultra-fine dry powder is penetrated simultaneously through combustion zone, fire extinguishing rapidly from spray gun.And how multiple extinguishing chemical is ejected into the scene of fire simultaneously, just become a technical barrier.The particularly injection of powder extinguishing agent, because dry powder is solid, light specific gravity, particle is thin, thereby jet length is short, can not satisfy the requirement of jet length in a lot of scenes of fire, and this is restricted with regard to the application that makes powder extinguishing agent.
Existing fire-fighting technique generally adopts extinguishing chemical fire extinguishings such as water, foam solution, dry powder, by single tube road conveying extinguishing agent to spray gun or big gun, the extinguishing chemical that ejects becomes the nature physical state, that is: water becomes water column or spray water, foam solution becomes natural shaped regular-type foam by contacting with atmosphere, and dry powder is directly injected to the scene of fire.Existing compound jet rifle generally by two independently pipeline delivery of dry powder, water/extinguishing chemicals such as foam premixed liquid to injection apparatus, two jets by injection apparatus penetrate respectively, but existing two jets are arranged side by side, and the extinguishing chemical mixed effect that ejects is unsatisfactory.
The utility model content
The purpose of this utility model is to overcome the defective that prior art exists, and a kind of compound jet Fire branch of the multiple extinguishing chemical good mixing effect that ejects simultaneously is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of compound jet Fire branch, comprise rifle body and the handle that is connected with the rifle body, described rifle body head is provided with two independently nozzles, rifle body afterbody is provided with two and independently is used for the import that is connected with outer tube, described first import is communicated with first nozzle by first pipeline, described second import is communicated with second nozzle by second pipeline, the outside of described first nozzle is with annular outer cover, the port of export of the described first nozzle annular water diversion disk that has been threaded, position corresponding with annular outer cover head on the described annular water diversion disk outer wall is provided with the annular protrusion coaxial with annular water diversion disk, and this projection and annular outer cover head form second nozzle.
Further, for the sectional area size of the delivery port that can realize regulating second nozzle, the through hole internal diameter of described annular outer cover head reduces in the past backward gradually, forms a slope within it on the wall.
Further, for fastening annular water diversion disk, described annular water diversion disk inwall front end is connected with ring lock tight coupling outer wall thread.
Further, for extinguishing chemical flow and pressure in the control valve, be respectively arranged with control valve in described first pipeline and second pipeline.
Further, when guaranteeing the second nozzle water outlet around evenly, be provided with the branch water wheels in described second pipeline.
The beneficial effects of the utility model: the organic assembling of (one) water/foam premixed liquid and hydrophobic ultra-fine dry powder, accomplished the performance compatibility, to have complementary advantages, its blow-off velocity is unusual, within the specific limits, almost is the moment fire extinguishing; (2) anti-resume combustion effect is splendid, be present any extinguishing chemical can not compare; (3) confined space and infinite space all are suitable for; (4) environment-friendly type fire-fighting technique does not truly almost have fall-out after the hydrophobic ultra-fine dry powder fire extinguishing, and the glassy cover layer that sticks to red-hot surface is on a small quantity very easily removed; (5) compound jet is the synthetic of high-efficiency fire-extinguishant, possesses wide spectrum fire extinguishing effect, be specially adapted to put out a fire to save life and property A, B, C class fire.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the main TV structure schematic diagram of preferred embodiment of the present utility model;
Fig. 2 is the broken section structural representation of Fig. 1;
Fig. 3 is the backsight structural representation of preferred embodiment of the present utility model;
Fig. 4 is the perspective view of preferred embodiment of the present utility model.
Wherein: 1, rifle body; 2, handle; 3, first import; 31, annular water diversion disk; 32, annular protrusion; 33, ring lock tight coupling; 4, second import; 5, annular outer cover; 6,7, control valve; 8, divide water wheels.
The specific embodiment
As Fig. 1-a kind of compound jet Fire branch shown in Figure 4, comprise rifle body 1 and the handle 2 that is connected with rifle body 1, described rifle body 1 head is provided with two independently nozzles, rifle body 1 afterbody is provided with two and independently is used for the import 3 that is connected with outer tube, 4, described first import 3 is communicated with first nozzle by first pipeline, described second import 4 is communicated with second nozzle by second pipeline, the outside of described first nozzle is with annular outer cover 5, fixedly connected with rifle body 1 in these annular outer cover 5 rear ends, the port of export of the described first nozzle annular water diversion disk 31 that has been threaded, the position corresponding with annular outer cover 5 heads is provided with the annular protrusion 32 coaxial with annular water diversion disk 31 on these annular water diversion disk 31 outer walls, this projection 32 is the spray angles that are used to change extinguishing chemical, and this projection 32 forms second nozzle with outer cover 5 heads.The through hole internal diameter of described annular outer cover 5 heads reduces in the past backward gradually, forms a slope within it on the wall.In order to lock annular water diversion disk 31, described annular water diversion disk 31 inwall front ends are connected with ring lock tight coupling 33 outer wall threads.Be respectively arranged with the control valve 6,7 that is used for interior extinguishing chemical flow of control valve and pressure in described first pipeline and second pipeline.Be provided with branch water wheels 8 in described second pipeline, it can make the flow of extinguishing chemical mixed liquor uniform, and is even all around when guaranteeing the second nozzle water outlet with this.
Operation principle: the utility model is carrier with the fire fighting truck, utilize gas cylinder, water/foam tank and ultra-fine dry powder jar on the fire fighting truck, gas in the gas cylinder enters water/foam tank by pressure-reducing valve, air delivering pipeline, water in water/foam tank/foam premixed liquid is pressed into second import of the present utility model by hydraulic pipeline, ultra-fine dry powder in the ultra-fine dry powder jar enters first import of the present utility model by powder output valve, dry powder pipeline, ultra-fine dry powder penetrates from first nozzle, and water/foam premixed liquid penetrates from second nozzle.By the demonstration, the sectional area of water/foam premixed liquid be ultra-fine dry powder sectional area 1/3 the time, the fire extinguishing best results.Owing to form a slope on the head through-hole wall of annular outer cover 5, therefore, can regulate the sectional area size of the delivery port of second nozzle by moving forward and backward annular water diversion disk 31, and the sectional area of the delivery port of second nozzle is more little, then the expulsion pressure of water/foam premixed liquid is big more, can be locked by ring lock tight coupling 33 when being transferred to the appropriate location.Because water/foam premixed liquid can be ejected into larger distance, ultra-fine dry powder is surrounded by water/foam premixed liquid after penetrating muzzle, and mix in order, utilize the attached wall effect of the kinetic energy and the water of water, ultra-fine dry powder is ejected into and water/foam premixed liquid distance much at one, water has certain cooling and fire extinguishing effect, and dry powder has powerful fire extinguishing effect, form compound fire-extinguishing agent efficiently, contrast proof by experiment, its fire-fighting efficiency is several times even tens times of single extinguishing chemical.
The ratio of water/foam premixed liquid flow and ultra-fine dry powder flow is an important parameter, learns that by calculating and experiment this ratio was 3: 1 o'clock best results.System works pressure also is an index, and it will directly influence jet length and ultra-fine dry powder forms the state of cold air sol, thereby influences fire-fighting efficiency.By calculating and experimental verification, discharge pressure is 1.0MPa, when the ultra-fine dry powder expulsion pressure is 1.6MPa, can reaches best quenching distance and fire-fighting efficiency.
Claims (5)
1. compound jet Fire branch, comprise rifle body (1) and the handle (2) that is connected with rifle body (1), described rifle body (1) head is provided with two independently nozzles, rifle body (1) afterbody is provided with two and independently is used for the import (3 that is connected with outer tube, 4), described first import (3) is communicated with first nozzle by first pipeline, described second import (4) is communicated with second nozzle by second pipeline, it is characterized in that: the outside of described first nozzle is with annular outer cover (5), the port of export of the described first nozzle annular water diversion disk (31) that has been threaded, position corresponding with annular outer cover (5) head on described annular water diversion disk (31) outer wall is provided with the annular protrusion (32) coaxial with annular water diversion disk (31), and this projection (32) forms second nozzle with annular outer cover (5) head.
2. a kind of compound jet Fire branch according to claim 1 is characterized in that: the through hole internal diameter of described annular outer cover (5) head reduces in the past backward gradually, forms a slope within it on the wall.
3. a kind of compound jet Fire branch according to claim 1 and 2 is characterized in that: described annular water diversion disk (31) inwall front end is connected with ring lock tight coupling (33) outer wall thread.
4. a kind of compound jet Fire branch according to claim 1 and 2 is characterized in that: be respectively arranged with the control valve (6,7) that is used for interior extinguishing chemical flow of control valve and pressure in described first pipeline and second pipeline.
5. a kind of compound jet Fire branch according to claim 1 and 2 is characterized in that: be provided with branch water wheels (8) in described second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205843171U CN201906381U (en) | 2010-11-01 | 2010-11-01 | Composite jet firefighting gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205843171U CN201906381U (en) | 2010-11-01 | 2010-11-01 | Composite jet firefighting gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201906381U true CN201906381U (en) | 2011-07-27 |
Family
ID=44298591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205843171U Expired - Fee Related CN201906381U (en) | 2010-11-01 | 2010-11-01 | Composite jet firefighting gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201906381U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451536A (en) * | 2010-11-01 | 2012-05-16 | 江苏卡威专用汽车制造有限公司 | Compound-jet-flow fire gun |
| CN102886111A (en) * | 2012-09-17 | 2013-01-23 | 姬永兴 | Dual-fire extinguishing agent spray gun and method thereof |
-
2010
- 2010-11-01 CN CN2010205843171U patent/CN201906381U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451536A (en) * | 2010-11-01 | 2012-05-16 | 江苏卡威专用汽车制造有限公司 | Compound-jet-flow fire gun |
| CN102886111A (en) * | 2012-09-17 | 2013-01-23 | 姬永兴 | Dual-fire extinguishing agent spray gun and method thereof |
| CN102886111B (en) * | 2012-09-17 | 2015-09-09 | 姬永兴 | A kind of two extinguishing chemical ejecting gun and method thereof |
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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: 20110727 Termination date: 20151101 |
|
| EXPY | Termination of patent right or utility model |