CN110448842A - A kind of high-risk complex environment compressed-air foam spray head - Google Patents
A kind of high-risk complex environment compressed-air foam spray head Download PDFInfo
- Publication number
- CN110448842A CN110448842A CN201910910857.XA CN201910910857A CN110448842A CN 110448842 A CN110448842 A CN 110448842A CN 201910910857 A CN201910910857 A CN 201910910857A CN 110448842 A CN110448842 A CN 110448842A
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- China
- Prior art keywords
- spray head
- liquid outlet
- complex environment
- air foam
- compressed
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of high-risk complex environment compressed-air foam spray heads, including nozzle body, one end of the nozzle body is equipped with inlet, the other end is closed end, the side wall of the nozzle body at least offers the first liquid outlet and the second liquid outlet, mixing chamber is equipped with inside the nozzle body, the mixing chamber and the inlet, the first liquid outlet, the second liquid outlet are interconnected；The mixing cavity wall is equipped with foam divider；First liquid outlet is connected with swirl atomizer, and the second liquid outlet is connected with limit spray head；It is compared with single nozzle, every dielectric distribution density is more consistent after compressed-air foam output of the present invention, the blind area phenomenon for avoiding large-range fire disaster region from being easy to appear when suppressing forms the multi-faceted fire behavior inhibitory effect of single-point, is conducive to the Adapter Property under the high-risk complex environment of lifting system.
Description
Technical field
The present invention relates to field of fire fighting equipment, especially a kind of high-risk complex environment compressed-air foam spray head.
Background technique
Fire branch is the injecting-unit that compressed-air foam is often matched, and when work needs personnel's hand-held, to remote, closely
Fire quickly controlled, the large labor intensity of personnel；Meanwhile single end pattern also limits compressed-air foam and goes out
Fiery systematic difference environment；Especially some high-risk complicated circumstances, fire caloradiance is big, personnel be difficult to it is close, on site
Default pipe network realizes covering all around for protection zone with spray head pattern, can promote the fire disaster emergency ability of high-risk complex environment.
And existing spray head pattern is mostly single nozzle, it is difficult to adapt to install requirement of shelter under some special occasions, lack to not Tongfang
Implement the means of prevention and control simultaneously in position.
Summary of the invention
To solve the above problems, the invention discloses a kind of high-risk complex environments is sprayed with compressed-air foam
One end of head, including nozzle body, the nozzle body is equipped with inlet, and the other end is closed end, the side wall of the nozzle body
It opens at least provided with the first liquid outlet and the second liquid outlet, is equipped with mixing chamber inside the nozzle body, the mixing chamber and described
Inlet, the first liquid outlet, the second liquid outlet are interconnected；The mixing cavity wall is equipped with foam divider.
Further, first liquid outlet is threaded with swirl atomizer, and the swirl atomizer includes jet pipe and is located at
Centrifugation spray piece inside jet pipe, the centrifugation spray piece include spray breechblock, and the spray breechblock side wall offers several vortex grooves.
Further, the vortex groove is spirally distributed on the side wall of the spray breechblock.
Further, the vortex groove is equipped with 2-6 item.
Further, the foam divider includes mixing the adaptable hollow cylindrical panel of cavity wall, institute with described
The side wall for stating hollow cylindrical panel is equipped with several segmentation holes.
Further, the diameter for separating hole is 3-10mm.
Further, the hollow cylindrical panel is equipped with pressure ring, edge on the pressure ring close to one end of the inlet
It is arranged radially positioning plate, positioning plate is equipped with location hole.
Further, the pressure ring uses elastic memory metal material.
Further, second liquid outlet is threaded with limit spray head, and the limit spray head includes spout and fixation
In the baffle of the spout outer wall.
Further, the baffle is arc surface, and the baffle is tilted towards setting at the longitudinal center line of spout.
Beneficial effects of the present invention:
(1) foam divider is arranged in the present invention in mixing chamber, and the segmentation holes of the 3-10mm of setting can be by compressed air
Foam is divided into subtle foam stream, and aperture is excessive or too small, will be a greater impact to foaming quality, the bubble that spray head of the present invention sprays
Foam stability is good, solves the problems, such as that compressed air foam extinguishing medium multiple spot density is uniformly distributed；
(2) present invention can be improved the area coverage of foam ejection by the first liquid outlet of setting and the second liquid outlet；
(3) centrifugal energy nozzle is set in the first liquid outlet, vortex is arranged on spray breechblock in the setting spray breechblock in centrifugal energy nozzle
Slot enables to foam to spray in emitting shape, further increases the area coverage of foam；
(4) baffle is arranged on the second liquid outlet in the present invention, can install the gear of proper angle according to the actual situation
Plate can adjust the injection direction of foam stream, make effective use of foam；
(5) by the pressure ring of setting elasticity, limit effectively can be fixed to hollow cylindrical panel, avoids displacement shadow
The Forming Quality of foam, while the positioning plate with location hole being arranged are rung, the disassembly of operator can be facilitated, is convenient for foam
The replacement or cleaning of divider.
(6) it is compared with single nozzle, every dielectric distribution density is more consistent after compressed-air foam output of the present invention, keeps away
Exempt from the blind area phenomenon being easy to appear when the compacting of large-range fire disaster region, forms the multi-faceted fire behavior inhibitory effect of single-point, be conducive to mention
Rise the Adapter Property under the high-risk complex environment of system.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure；
Fig. 2 is diagrammatic cross-section of the present invention；
Fig. 3 is the side view of centrifugal energy nozzle of the present invention；
Fig. 4 is the top view of inlet of the present invention；
Fig. 5 is the main view of present invention limit spray head；
Fig. 6 is the structural schematic diagram of present invention centrifugation spray piece；
In figure, 1- inlet, 101- foam divider, 102- segmentation holes, the first liquid outlet of 2-, 201- jet pipe, 202- spray
Breechblock, 203- vortex groove, the second liquid outlet of 3-, 301- spout, 302- baffle, 4- pressure ring, 401- positioning plate.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Embodiment 1
As shown in Figure 1, 2, a kind of high-risk complex environment compressed-air foam spray head, including nozzle body, spray head master
One end of body is equipped with inlet 1, and the other end is closed end, and the side wall of the nozzle body at least offers 2 He of the first liquid outlet
Second liquid outlet 3, is equipped with mixing chamber inside the nozzle body, the mixing chamber and the inlet 1, the first liquid outlet 2, the
Two liquid outlets 3 are interconnected；The mixing cavity wall is equipped with foam divider 101.
It is compared with single nozzle, every dielectric distribution density is more consistent after compressed-air foam output of the present invention, avoids
The blind area phenomenon that large-range fire disaster region is easy to appear when suppressing forms the multi-faceted fire behavior inhibitory effect of single-point, is conducive to be promoted
Adapter Property under the high-risk complex environment of system.
Embodiment 2
The present embodiment is advanced optimizing of making on the basis of embodiment 1, as shown in figures 2-6, specifically described
One liquid outlet 2 is threaded with swirl atomizer, and the swirl atomizer includes jet pipe 201 and the centrifugation spray inside jet pipe 201
Part, the centrifugation spray piece include spray breechblock 202, and 202 side wall of spray breechblock offers several vortex grooves 203.
Specifically, the vortex groove 203 is spirally distributed on the side wall of the spray breechblock 202.
The vortex groove 203 is equipped with 2-6 item, and 4 vortex grooves are arranged in the present embodiment, and foam is enabled to spray in emitting shape
Out, the area coverage of foam is further increased.
Embodiment 3
The present embodiment is advanced optimizing of making on the basis of embodiment 2, and the specifically described foam divider 101 wraps
It includes and mixes the adaptable hollow cylindrical panel of cavity wall with described, the side wall of the hollow cylindrical panel is equipped with several segmentations
Hole 102；
Specifically, the diameter for separating hole 102 is 3-10mm, and preferably 5mm, which can be by compressed-air foam point
It is cut into subtle foam stream, aperture is excessive or too small, it will be a greater impact to coefficient of foaming, so that foaming quality is influenced, the present invention
The foam stability that spray head sprays is good, solves the problems, such as that compressed air foam extinguishing medium multiple spot density is uniformly distributed.
Embodiment 4
The present embodiment is advanced optimizing of making on the basis of embodiment 3, the specifically described hollow cylindrical panel
It is equipped with pressure ring 4 close to one end of the inlet 1, is disposed radially positioning plate 401 on the pressure ring 4, positioning plate 401 is equipped with
Location hole.The pressure ring 4 uses elastic memory metal material, such as the steel ring of Nitinol material, is also possible to other elastic materials
The pressure ring of matter, it is not limited to this.Can limit effectively be fixed to hollow cylindrical panel in the setting, and displacement is avoided to influence
The Forming Quality of foam, while the positioning plate with location hole being arranged, can facilitate the disassembly of operator, convenient for foam point
The replacement or cleaning of cutter.
Embodiment 5
The present embodiment is advanced optimizing of making on the basis of embodiment 4, specifically described second liquid outlet, 3 screw thread
It is connected with limit spray head, the limit spray head includes spout 301 and the baffle 302 for being fixed on 301 outer wall of spout, specifically
Fixed form, which is adopted, to be screwed, and the fixation of other modes is also possible to, it is not limited to this.
Specifically, the baffle 302 is arc surface, and the baffle 302 inclination is towards setting at the longitudinal center line of spout 301
It sets；The setting can install the baffle of proper angle according to the actual situation, can adjust the injection direction of foam stream, sufficiently
Efficiently use foam.
When in use, after compressed-air foam flows through the pressurization mixing of overcompression air foam system, output to the spray head
Inlet 1 is sprayed into mixing chamber from the first liquid outlet 2, the second liquid outlet 3, is sprayed from the first liquid outlet 2 and is entered centrifugation spray
Mouth, along the radial ejection of vortex groove 203；It is sprayed from the second liquid outlet 3 and enters limit spray head, due to the setting of baffle 302, energy
Enough adjust its emission direction.
Above-described embodiment only describes the optimal usage mode of existing equipment, and similar conventional machinery means is used to replace this reality
The element in example is applied, protection scope is each fallen within.
Claims (10)
1. a kind of high-risk complex environment compressed-air foam spray head, it is characterised in that: including nozzle body, the nozzle body
One end be equipped with inlet (1), the other end is closed end, the side wall of the nozzle body at least offer the first liquid outlet (2) and
Second liquid outlet (3), the nozzle body inside are equipped with mixing chamber, the mixing chamber and the inlet (1), the first liquid outlet
(2), the second liquid outlet (3) is interconnected；The mixing cavity wall is equipped with foam divider (101).
2. a kind of high-risk complex environment compressed-air foam spray head according to claim 1, it is characterised in that: described
One liquid outlet (2) is threaded with swirl atomizer, and the swirl atomizer includes jet pipe (201) and is located inside jet pipe (201)
It is centrifuged spray piece, the centrifugation spray piece includes spray breechblock (202), and spray breechblock (202) side wall offers several vortex grooves
(203)。
3. a kind of high-risk complex environment compressed-air foam spray head according to claim 2, it is characterised in that: the whirlpool
Chute (203) is spirally distributed on the side wall of spray breechblock (202).
4. a kind of high-risk complex environment compressed-air foam spray head according to claim 3, it is characterised in that: the whirlpool
Chute (203) is equipped with 2-6 item.
5. a kind of high-risk complex environment compressed-air foam spray head according to any one of claims 1-4, feature
Be: the foam divider (101) includes mixing the adaptable hollow cylindrical panel of cavity wall, the hollow circle with described
The side wall of column panel is equipped with several segmentation holes (102).
6. a kind of high-risk complex environment compressed-air foam spray head according to claim 5, it is characterised in that: described point
Diameter every hole (102) is 3-10mm.
7. a kind of high-risk complex environment compressed-air foam spray head according to claim 5, it is characterised in that: in described
Hollow round column shape panel is equipped with pressure ring (4) close to one end of the inlet (1), is disposed radially positioning plate on the pressure ring (4)
(401), positioning plate (401) is equipped with location hole.
8. a kind of high-risk complex environment compressed-air foam spray head according to claim 7, it is characterised in that: the pressure
Ring (4) uses elastic memory metal material.
9. a kind of high-risk complex environment compressed-air foam spray head according to claim 5, it is characterised in that: described
Two liquid outlets (3) are threaded with limit spray head, and the limit spray head includes spout (301) and is fixed on the spout (301)
The baffle (302) of outer wall.
10. a kind of high-risk complex environment compressed-air foam spray head according to claim 9, it is characterised in that: described
Baffle (302) is arc surface, and the baffle (302) is tilted towards setting at the longitudinal center line of spout (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910857.XA CN110448842A (en) | 2019-09-25 | 2019-09-25 | A kind of high-risk complex environment compressed-air foam spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910857.XA CN110448842A (en) | 2019-09-25 | 2019-09-25 | A kind of high-risk complex environment compressed-air foam spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110448842A true CN110448842A (en) | 2019-11-15 |
Family
ID=68492715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910910857.XA Pending CN110448842A (en) | 2019-09-25 | 2019-09-25 | A kind of high-risk complex environment compressed-air foam spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110448842A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012979A (en) * | 1989-04-27 | 1991-05-07 | Cca, Inc. | Adjustable foaming chamber stem for foam-applying nozzle |
| CN203915864U (en) * | 2014-06-26 | 2014-11-05 | 惠州市惠阳大地消防设备有限公司 | A kind of air foam shower nozzle |
| CN104349819A (en) * | 2012-07-13 | 2015-02-11 | 日本碍子株式会社 | Fire-extinguisher nozzle, and fire-extinguishing method using same |
| CN208911356U (en) * | 2018-09-19 | 2019-05-31 | 公安部天津消防研究所 | A kind of compressed-air foam spray head for inflammable and explosive environment |
| CN208959199U (en) * | 2018-07-30 | 2019-06-11 | 北京南瑞怡和环保科技有限公司 | A kind of high pressure sprinkler for substation's fire-fighting |
-
2019
- 2019-09-25 CN CN201910910857.XA patent/CN110448842A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012979A (en) * | 1989-04-27 | 1991-05-07 | Cca, Inc. | Adjustable foaming chamber stem for foam-applying nozzle |
| CN104349819A (en) * | 2012-07-13 | 2015-02-11 | 日本碍子株式会社 | Fire-extinguisher nozzle, and fire-extinguishing method using same |
| CN203915864U (en) * | 2014-06-26 | 2014-11-05 | 惠州市惠阳大地消防设备有限公司 | A kind of air foam shower nozzle |
| CN208959199U (en) * | 2018-07-30 | 2019-06-11 | 北京南瑞怡和环保科技有限公司 | A kind of high pressure sprinkler for substation's fire-fighting |
| CN208911356U (en) * | 2018-09-19 | 2019-05-31 | 公安部天津消防研究所 | A kind of compressed-air foam spray head for inflammable and explosive environment |
Non-Patent Citations (1)
| Title |
|---|
| 曾光廷: "《现代新型材料》", 30 April 2006, 中国轻工业出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191115 |
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| RJ01 | Rejection of invention patent application after publication |