CN220070577U - Aerosol fire extinguishing device capable of improving diffusion capacity and reducing nozzle temperature - Google Patents
Aerosol fire extinguishing device capable of improving diffusion capacity and reducing nozzle temperature Download PDFInfo
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- CN220070577U CN220070577U CN202320708714.2U CN202320708714U CN220070577U CN 220070577 U CN220070577 U CN 220070577U CN 202320708714 U CN202320708714 U CN 202320708714U CN 220070577 U CN220070577 U CN 220070577U
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- nozzle temperature
- aerosol
- enhancing
- set forth
- reducing nozzle
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- 239000000443 aerosol Substances 0.000 title claims abstract description 52
- 238000009792 diffusion process Methods 0.000 title abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 239000002826 coolant Substances 0.000 claims description 17
- 230000001629 suppression Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 14
- 238000001816 cooling Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke 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 an aerosol fire extinguishing device capable of improving the diffusion capacity and reducing the nozzle temperature, which comprises an outer cylinder and an aerosol generating agent arranged in the outer cylinder, wherein one end of the aerosol generating agent is connected with the tail end of a starting part, the upper end of the outer cylinder is provided with an annular spraying cavity, and the side wall of the annular spraying cavity is provided with an air inlet; according to the utility model, the annular spraying cavity and the air inlet are arranged, so that the diffusion capacity of fire extinguishing substances can be effectively improved, and the nozzle temperature can be reduced.
Description
Technical Field
The utility model relates to the technical field of fire control, in particular to an aerosol fire extinguishing device capable of improving diffusion capacity and reducing nozzle temperature.
Background
The aerosol fire extinguishing device mainly extinguishes fire in the closed space or the semi-closed space by total flooding, so whether the fire extinguishing device can enable aerosol fire extinguishing agent to rapidly flood in the whole protection space becomes a key whether the fire extinguishing device can rapidly extinguish fire.
The problem that the nozzle temperature is too high exists when the traditional aerosol fire extinguishing device is sprayed, if the nozzle temperature cannot be effectively controlled, secondary damage is possibly caused to other properties in a protection space, the traditional cooling mode mainly comprises low cooling efficiency of physical coolant (and heat absorbing substances such as stones and iron skips), the device is too large in size, the spraying strength of the device can be reduced due to the fact that the large-size fire extinguishing device is matched with the coolant, and the diffusion capacity of the fire extinguishing substances is reduced.
There is a need for an aerosol fire suppression device that increases the diffusing capacity and reduces the nozzle temperature.
Disclosure of Invention
The utility model aims to overcome the defects and provide the aerosol fire extinguishing device which can improve the diffusion capability and reduce the nozzle temperature, and can improve the diffusion capability of fire extinguishing substances and reduce the nozzle temperature.
The utility model aims to solve the technical problems, and adopts the technical scheme that: the aerosol fire extinguishing device comprises an outer cylinder and an aerosol generating agent arranged in the outer cylinder, wherein one end of the aerosol generating agent is connected with the tail end of a starting component, an annular spraying cavity is arranged at the upper end of the outer cylinder, and an air inlet is formed in the side wall of the annular spraying cavity.
Preferably, the annular spraying cavity comprises an outer shell fixedly connected with the upper end of the outer cylinder, an inner shell is arranged in the outer shell, the upper end and the lower end of the outer shell are open, the top of the inner shell is open, a bottom cover is arranged at the bottom of the inner shell, and air inlets are formed in the side walls of the outer shell and the inner shell.
Preferably, the bottom cover is fixedly connected with the sieve plate through a supporting rod, the outer edge of the sieve plate is fixedly connected with the inner wall of the outer cylinder, and sieve holes are formed in the surface of the sieve plate.
Preferably, a coolant is further arranged between the sieve plate and the aerosol generating agent, and the starting component is an electric ignition head or a thermosensitive wire structure.
Preferably, a protective cover net is arranged at the tail end of the starting part, and a coolant is arranged between the outer side of the protective cover net and the sieve plate.
Preferably, a plurality of separation nets are further arranged in the coolant, and separation columns are arranged between the separation nets.
Preferably, the surface of the bottom cover is also provided with a pressure relief hole, and the top of the outer shell and the top of the inner shell are both cambered structures.
Preferably, a pressure release membrane is further arranged in the pressure release hole.
Preferably, the aerosol generating agent is in a grain structure, and a silica gel sleeve for heat insulation is arranged on the surface of the aerosol generating agent.
Preferably, the lower end of the outer cylinder is provided with a rear cover in threaded fit with the outer cylinder, and the rear cover is provided with a through hole for penetrating the starting component.
The utility model has the beneficial effects that:
according to the utility model, the annular spraying cavity and the air inlet are arranged, so that the diffusion capacity of fire extinguishing substances can be effectively improved, and the nozzle temperature can be reduced.
Drawings
FIG. 1 is a schematic view showing the internal structure of an aerosol fire extinguishing apparatus capable of improving the diffusing capability and reducing the temperature of a nozzle;
fig. 2 is a schematic structural view of an aerosol fire extinguishing apparatus capable of improving the diffusing capability and reducing the nozzle temperature.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 and 2, an aerosol fire extinguishing device capable of improving the diffusion capability and reducing the nozzle temperature comprises an outer barrel 1 and an aerosol generating agent 2 arranged in the outer barrel 1, wherein one end of the aerosol generating agent 2 is connected with the tail end of a starting component 3, an annular spraying cavity 4 is arranged at the upper end of the outer barrel 1, and an air inlet 5 is formed in the side wall of the annular spraying cavity 4. In this embodiment, when the starting member 3 ignites the aerosol generating agent 2, a large amount of fire extinguishing substance (aerosol or gas) is generated, and then is ejected from the annular ejection chamber 4, when the air flow is ejected from the top of the annular ejection chamber 4, a jet flow is formed, so that negative pressure is generated inside the annular ejection chamber 4, and air outside the annular ejection chamber 4 enters inside the annular ejection chamber 4 along the air inlet 5, and after a large amount of air is flushed through the air inlet 5, on one hand, the flow of the air plays a role in heat dissipation and cooling on the area where the nozzle is located, the nozzle temperature is reduced, and on the other hand, the flow rate of the air near the fire extinguishing device is increased, so that the air mobility of the fire extinguishing area is enhanced, the fire extinguishing medium is rapidly filled in the whole fire extinguishing space, and thus quick fire extinguishing can be realized.
Preferably, the annular spraying cavity 4 comprises an outer shell 4.1 fixedly connected with the upper end of the outer cylinder 1, an inner shell 4.2 is arranged in the outer shell 4.1, the upper end and the lower end of the outer shell 4.1 are open, the top of the inner shell 4.2 is open, a bottom cover 4.3 is arranged at the bottom, and an air inlet 5 is formed in the side walls of the outer shell 4.1 and the inner shell 4.2.
Preferably, the bottom cover 4.3 is fixedly connected with the sieve plate 7 through the supporting rods 6, the outer edge of the sieve plate 7 is fixedly connected with the inner wall of the outer cylinder 1, and sieve holes are formed in the surface of the sieve plate 7. In this embodiment, the supporting rods 6 may also form a certain buffer zone for supporting the screen deck 7. In addition, the screen plate 7 can also prevent the coolant 9 below from being sprayed upwards to block the annular spraying cavity 4
Preferably, a coolant 9 is further disposed between the screen 7 and the aerosol generating agent 2, and the actuating member 3 is an electric ignition head or a heat-sensitive wire structure. The coolant 9 can cool the passing fire extinguishing substances, so that the temperature of the nozzle area is prevented from being too high; in addition, in this embodiment, when the starting component 3 is in an electric ignition head structure, it is connected with a fire detection device, the fire detection device is a temperature sensor and/or a smoke sensor, when a fire, overheat or the like occurs, the fire detection device detects that the outside generates a high temperature environment due to the fire and sends a signal to the microprocessor, and the microprocessor controls the starting component 3 to ignite the aerosol generating agent 2. When the starting component 3 is in a thermosensitive wire structure, high temperature or flame can directly ignite the thermosensitive wire after a fire disaster occurs, and finally, the aerosol generating agent 2 is directly ignited, and an additional fire disaster detection device and other external devices are not needed to be matched.
Preferably, the end of the starting part 3 is provided with a protective cover net 10, and a coolant 9 is arranged between the outer side of the protective cover net 10 and the sieve plate 7. The rear protective cover net 10 is designed to form a protective cover to protect the tail end of the starting component 3 (the thermosensitive wire or the ignition head), so that the energy of the coolant 9 is not reduced during starting, and the phenomenon that the fire extinguishing device cannot be started is effectively avoided.
Preferably, a plurality of separating nets 11 are further arranged in the coolant 9, and separating columns 12 are arranged between the separating nets 11. The buffer space can be supported and separated in the coolant 9 through the separating column 12, so that on one hand, the buffer effect can be generated on aerosol fire extinguishing substances generated by the aerosol generating agent 2, and on the other hand, the contact area between the coolant 9 and the aerosol fire extinguishing substances is increased, and the cooling efficiency is improved.
Preferably, the surface of the bottom cover 4.3 is also provided with a pressure relief hole 13, and the top of the outer casing 4.1 and the top of the inner casing 4.2 are both cambered structures. By arranging the pressure relief holes 13, the internal pressure of the outer cylinder 1 can be discharged through the pressure relief holes 13 if being overlarge in the fire extinguishing process, so that the risk of explosion is reduced; in addition, the top of the outer shell 4.1 and the top of the inner shell 4.2 are both of cambered structures, so that the top of the annular spraying cavity 4 forms a cambered shape which is folded towards the circle center, and the spraying speed of fire extinguishing substances is certainly accelerated from the aerodynamic perspective.
Preferably, a pressure release membrane is further disposed in the pressure release hole 13. Through set up the pressure release diaphragm in pressure release hole 13 inside, when extinguishing device starts like this, if spout normally, the bottom 4.3 of cavity 4 is sealed state is spouted to the annular like this, can guarantee like this that aerosol fire extinguishing substance can spout along annular and spout the cavity 4 blowout, exert its heat dissipation and diffusion effect, and when extinguishing device inside pressure suddenly increases too big, pressure release diaphragm can take place to break because of pressure effect to fire extinguishing substance in time discharges from pressure release hole 13, carries out the pressure release process, effectively avoids the risk of explosion.
Preferably, the aerosol generating agent 2 is in a grain structure, and a silica gel sleeve 14 for heat insulation is arranged on the surface of the grain structure. The silica gel sleeve 14 can avoid the situation that the temperature of the outer cylinder 1 is too high in the fire extinguishing process.
Preferably, the lower end of the outer cylinder 1 is provided with a rear cover 8 in threaded fit with the outer cylinder, and the rear cover 8 is provided with a through hole for penetrating the starting component 3.
The working principle of the embodiment is as follows:
when a fire occurs outside, the starting component 3 ignites the aerosol generating agent 2, the aerosol generating agent 2 in the embodiment is a grain pressed by the aerosol generating agent, and the aerosol generating agent 2 burns to generate fire extinguishing substances (such as aerosol or gas); after passing through the protective cover net 10, the fire extinguishing substance is cooled by the cooling agent 9, enters the annular spraying cavity 4 after passing through the sieve holes of the sieve plate 7, is sprayed out from the annular spraying cavity 4, and forms jet flow when air flow is sprayed out from the top of the annular spraying cavity 4, so that negative pressure is generated in the annular spraying cavity 4, air outside the annular spraying cavity 4 enters the annular spraying cavity 4 along the air inlet 5, and after a large amount of air flows in through the air inlet 5, on one hand, the air flow plays a role in heat dissipation and cooling on the area where the nozzle is located, the nozzle temperature is reduced, and on the other hand, the air flow rate near the fire extinguishing device is increased, so that the air flow of the fire extinguishing area is enhanced, the fire extinguishing medium is rapidly filled in the whole fire extinguishing space, and quick fire extinguishing can be realized.
The above embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments of the present utility model may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (10)
1. The utility model provides an aerosol extinguishing device that can improve diffusivity and reduce spout temperature, includes urceolus (1) and locates inside aerosol generating agent (2) of urceolus (1), aerosol generating agent (2) one end and start-up member (3) end-to-end connection, its characterized in that: the novel water heater is characterized in that an annular spraying cavity (4) is arranged at the upper end of the outer barrel (1), and an air inlet (5) is formed in the side wall of the annular spraying cavity (4).
2. An aerosol fire suppression apparatus for enhancing diffusing capacity and reducing nozzle temperature as set forth in claim 1 wherein: the annular spraying cavity (4) comprises an outer shell (4.1) fixedly connected with the upper end of the outer cylinder (1), an inner shell (4.2) is arranged inside the outer shell (4.1), the upper end and the lower end of the outer shell (4.1) are open, the top of the inner shell (4.2) is open, a bottom cover (4.3) is arranged at the bottom, and an air inlet (5) is formed in the side walls of the outer shell (4.1) and the inner shell (4.2).
3. An aerosol fire suppression apparatus for enhancing diffusing capability and reducing nozzle temperature as set forth in claim 2 wherein: the bottom cover (4.3) is fixedly connected with the sieve plate (7) through the supporting rod (6), the outer edge of the sieve plate (7) is fixedly connected with the inner wall of the outer cylinder (1), and sieve holes are formed in the surface of the sieve plate (7).
4. An aerosol fire suppression apparatus for enhancing diffusing capacity and reducing nozzle temperature as set forth in claim 3 wherein: a coolant (9) is also arranged between the sieve plate (7) and the aerosol generating agent (2), and the starting component (3) is an electric ignition head or a thermosensitive wire structure.
5. An aerosol fire suppression apparatus for enhancing diffusing capacity and reducing nozzle temperature as set forth in claim 4 wherein: the tail end of the starting part (3) is provided with a protective cover net (10), and a coolant (9) is arranged between the outer side of the protective cover net (10) and the sieve plate (7).
6. An aerosol fire suppression apparatus for enhancing diffusing capacity and reducing nozzle temperature as set forth in claim 4 or 5 wherein: a plurality of separation nets (11) are further arranged in the coolant (9), and separation columns (12) are arranged between the separation nets (11).
7. An aerosol fire suppression apparatus for enhancing diffusing capability and reducing nozzle temperature as set forth in claim 2 wherein: the surface of the bottom cover (4.3) is also provided with a pressure relief hole (13), and the top of the outer shell (4.1) and the top of the inner shell (4.2) are both cambered structures.
8. An aerosol fire suppression apparatus for enhancing diffusing capacity and reducing nozzle temperature as set forth in claim 7 wherein: and a pressure relief diaphragm is also arranged in the pressure relief hole (13).
9. An aerosol fire suppression apparatus for enhancing diffusing capacity and reducing nozzle temperature as set forth in claim 1 wherein: the aerosol generating agent (2) is of a grain structure, and a silica gel sleeve (14) for heat insulation is arranged on the surface of the aerosol generating agent.
10. An aerosol fire suppression apparatus for enhancing diffusing capacity and reducing nozzle temperature as set forth in claim 4 wherein: the lower end of the outer cylinder (1) is provided with a rear cover (8) in threaded fit with the outer cylinder, and the rear cover (8) is provided with a through hole for penetrating the starting component (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320708714.2U CN220070577U (en) | 2023-04-03 | 2023-04-03 | Aerosol fire extinguishing device capable of improving diffusion capacity and reducing nozzle temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320708714.2U CN220070577U (en) | 2023-04-03 | 2023-04-03 | Aerosol fire extinguishing device capable of improving diffusion capacity and reducing nozzle temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220070577U true CN220070577U (en) | 2023-11-24 |
Family
ID=88814560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320708714.2U Active CN220070577U (en) | 2023-04-03 | 2023-04-03 | Aerosol fire extinguishing device capable of improving diffusion capacity and reducing nozzle temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220070577U (en) |
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2023
- 2023-04-03 CN CN202320708714.2U patent/CN220070577U/en active Active
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