CN212016510U - Gas fire extinguishing device - Google Patents
Gas fire extinguishing device Download PDFInfo
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- CN212016510U CN212016510U CN202020571478.0U CN202020571478U CN212016510U CN 212016510 U CN212016510 U CN 212016510U CN 202020571478 U CN202020571478 U CN 202020571478U CN 212016510 U CN212016510 U CN 212016510U
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Abstract
The utility model discloses a gas fire extinguishing device, which comprises a fire extinguishing assembly and a gas driving assembly, wherein the fire extinguishing assembly comprises a fire extinguishing valve, a spray pipe, a piston plate and a fire extinguishing agent storage tank with a tank cover and a tank bottom, the fire extinguishing valve is communicated with the inner cavity of the fire extinguishing agent storage tank, the spray pipe is arranged on the fire extinguishing valve, and the piston plate is in sliding connection with the inner cavity of the fire extinguishing agent storage tank; the gas driving assembly comprises a driving gas storage bottle, a driving gas valve, a first pipeline and a second pipeline, the driving gas valve is communicated with the inner cavity of the gas storage bottle, the two ends of the first pipeline are respectively connected with the driving gas valve and the fire extinguishing valve, the two ends of the second pipeline are respectively connected with the fire extinguishing valve and the bottom of the tank and communicated with the inner cavity of the fire extinguishing agent storage tank, the driving gas opens the fire extinguishing valve, and meanwhile the driving gas enters the fire extinguishing agent storage tank to drive the piston plate to move towards one end of the tank cover. The gas fire extinguishing device does not need a suction pipe, does not limit the installation and placement posture of the fire extinguishing agent storage tank, can completely extrude the fire extinguishing agent in the fire extinguishing agent storage tank, makes the best use of things and avoids waste.
Description
Technical Field
The utility model belongs to the technical field of fire-fighting equipment, concretely relates to gaseous extinguishing device.
Background
The fire extinguisher is a portable fire extinguishing tool. Chemical substances are placed in the fire extinguisher for saving and extinguishing fire. The fire extinguisher is one of common fire-proof facilities, is stored in public places or places where fire disasters may happen, and different fire extinguishers of different types are filled with different components and are specially designed for different fires. Care must be taken in use to avoid adverse effects and risks.
The existing fire extinguishing agent storage device or bottle group can only be set with an inherent placing posture, or placed vertically or placed horizontally or installed, and the fire extinguishing valve is arranged on the upper portion or the side face of the storage device, so that the storage device or the bottle group is required to be provided with the suction pipe, and when the fire extinguishing agent is sprayed, the fire extinguishing agent has certain residue and is wasted due to the fact that the bottom of the suction pipe is away from the bottom of the storage device.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the utility model aims at providing a gas fire extinguishing device to solve current storage device or bottle group and can only set up the inherent posture of putting, storage device or bottle group need set up the straw, have certain distance because of straw bottom and storage tank bottom, make fire extinguishing agent have certain surplus, cause extravagant problem.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a gas fire-extinguishing device comprising:
the fire extinguishing assembly comprises a fire extinguishing valve, a spray pipe, a piston plate and a fire extinguishing agent storage tank with a tank cover and a tank bottom, wherein the fire extinguishing valve is arranged on the tank cover and communicated with an inner cavity of the fire extinguishing agent storage tank, the spray pipe is arranged on the fire extinguishing valve, and the piston plate is in sliding connection with the inner cavity of the fire extinguishing agent storage tank; and
the gas driving assembly comprises a driving gas storage bottle, a driving gas valve, a first pipeline and a second pipeline, wherein the driving gas valve is arranged at a bottle opening of the gas storage bottle and communicated with an inner cavity of the gas storage bottle, two ends of the first pipeline are respectively connected with the driving gas valve and the fire extinguishing valve, two ends of the second pipeline are respectively connected with the fire extinguishing valve and a tank bottom, the second pipeline is communicated with the inner cavity of the fire extinguishing agent storage tank, the driving gas passes through the first pipeline to open the fire extinguishing valve, the first pipeline is communicated with the second pipeline through the fire extinguishing valve, and the driving gas enters the fire extinguishing agent storage tank to drive the piston plate to move towards one end of the tank cover.
The gas drive assembly opens the fire valve through drive gas, puts out a fire through spray tube blowout fire extinguishing agent, and drive gas gets into fire extinguishing agent storage tank drive piston board simultaneously and moves the pressure in order to keep the fire extinguishing agent in the fire extinguishing agent storage tank to cover one end and remain stable, when the piston board moved the end of the cover one end of fire extinguishing agent storage tank, can extrude the fire extinguishing agent in the fire extinguishing agent storage tank completely moreover. The gas fire extinguishing device does not need a suction pipe, does not limit the installation and placement posture of the fire extinguishing agent storage tank, can completely extrude the fire extinguishing agent in the fire extinguishing agent storage tank, makes the best use of things and avoids waste.
Further, the fire extinguishing assembly further comprises a nozzle, and the nozzle is arranged at the end of the spray pipe. The nozzle enables the extinguishing agent to be spread farther and more evenly.
Furthermore, the fire extinguishing assembly further comprises an inflating nozzle, and the inflating nozzle is arranged on the tank cover. The fire extinguishing agent can be filled into the fire extinguishing agent storage tank through the charging connector, so that the fire extinguishing agent storage tank can be used for a longer time.
Furthermore, the fire extinguishing valve comprises a valve body and a valve core assembly, wherein the valve body is provided with a driving gas inlet hole, a slide hole, a first communication hole, a driving gas outlet hole, a fire extinguishing agent inlet hole and a fire extinguishing agent outlet hole; the driving gas inlet hole is communicated with the first communication hole through the sliding hole, the first communication hole is communicated with the driving gas outlet hole, and the fire extinguishing agent inlet hole is communicated with the fire extinguishing agent outlet hole through the sliding hole; the valve core assembly is provided with a second communication hole and is arranged in the sliding hole; the valve core assembly is arranged at two different positions in the sliding hole, so that the fire extinguishing valve has a closed state and an open state, the closed state blocks the communication between the driving gas inlet hole and the first communication hole, and simultaneously blocks the communication between the fire extinguishing agent inlet hole and the fire extinguishing agent outlet hole; when the fire extinguishing device is in an open state, the driving gas inlet hole is communicated with the first communicating hole through the sliding hole, and meanwhile, the fire extinguishing agent inlet hole is communicated with the fire extinguishing agent outlet hole through the second communicating hole; the first pipeline is communicated with the driving gas inlet hole, the spray pipe is communicated with the fire extinguishing agent outlet hole, and the second pipeline is communicated with the driving gas outlet hole. The driving gas can push the valve core assembly to move through the driving gas inlet hole, so that the fire extinguishing valve is opened.
Furthermore, the valve core assembly comprises a valve core body and an elastic element, the valve core body is arranged in the sliding hole in a sliding mode, and two ends of the elastic element are connected with one end of the valve core body and the inner wall of one end of the sliding hole respectively. The elastic element is used for tightly propping the valve core body to enable the fire extinguishing valve to be in a closed state, and when the fire extinguishing valve is closed due to the fact that the fire extinguishing agent needs to be stopped to be used, the driving gas in the first pipeline is decompressed, and the valve core body can move under the action of the restoring force of the elastic element, so that the fire extinguishing valve is closed.
Further, the gas drive assembly further comprises a solenoid valve connected with the drive gas valve. The electromagnetic valve is used for opening and closing the driving gas valve so as to control the opening and closing of the driving gas valve.
Further, the gas driving assembly further comprises a low-leakage high-sealing valve, and the low-leakage high-sealing valve is arranged on the first pipeline. The low-leakage high-sealing valve is used for avoiding that the fire extinguishing valve is not mistakenly opened when the driving gas valve slightly leaks, and in addition, the low-leakage high-sealing valve can also be used for pressure relief of the driving gas in the first pipeline.
Further, the gas drive assembly further comprises a gas one-way valve, and the gas one-way valve is arranged on the second pipeline and is communicated with the inner cavity of the fire extinguishing agent storage tank. The gas one-way valve prevents the gas in the fire extinguishing agent storage tank from flowing back, and the safety of the pipeline is improved.
Furthermore, a one-way valve is arranged on the piston plate and leads to one side of the tank cover. The fire extinguishing agent is driven to spray outwards by the double functions of the driving gas entering from the one-way valve and the piston plate, so that the piston plate moves slowly, and the pressure change of the outward spraying of the fire extinguishing agent is small.
Furthermore, gas pressure displays are arranged on the fire extinguishing agent storage tank and the driving gas storage bottle. The pressure display is used for checking whether the air pressure of the fire extinguishing agent storage tank and the driving gas storage bottle is normal or not and checking the leakage condition.
Compared with the prior art, the beneficial effects of the utility model are that:
1. open the fire valve door through drive gas, put out a fire through spray tube blowout fire extinguishing agent, drive gas gets into fire extinguishing agent storage tank drive piston board simultaneously and moves in order to keep the pressure of the fire extinguishing agent in the fire extinguishing agent storage tank to cover one end and keep stable, need not to set up the straw in the fire extinguishing agent storage tank, can set up the installation of fire extinguishing agent storage tank wantonly and put the posture.
2. When the piston plate moves to the end head at one end of the tank cover of the fire extinguishing agent storage tank, the fire extinguishing agent in the fire extinguishing agent storage tank can be completely extruded, the piston plate can be used as the best thing, and waste can not be caused.
3. The device is flexible and reliable, and the applicability is strong.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
fig. 2 is a top view of the structure of the present invention;
FIG. 3 is an enlarged view A of FIG. 1;
fig. 4 is a schematic structural view of the closed state of the fire extinguishing valve of the present invention;
fig. 5 is a schematic structural view of the open state of the fire extinguishing valve of the present invention.
Reference numerals:
1-fire extinguishing component, 11-fire extinguishing agent storage tank, 12-fire extinguishing valve, 121-valve body, 122-valve core component, 12 a-driving gas inlet hole, 12 b-slide hole, 12 c-first communicating hole, 12 d-driving gas outlet hole, 12 e-fire extinguishing agent inlet hole, 12 f-fire extinguishing agent outlet hole, 12 g-second communicating hole, 1221-valve core body, 1222-elastic element, 13-spray pipe, 14-piston plate, 141-one-way valve, 15-nozzle and 16-charging nozzle;
2-a gas driving component, 21-a gas storage bottle, 22-a driving gas valve, 23-a first pipeline, 24-a second pipeline, 25-an electromagnetic valve, 26-a low-leakage high-sealing valve and 27-a gas one-way valve;
3-pressure display.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or structures must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the present invention.
Referring to fig. 1, the gas fire extinguishing apparatus of the present embodiment includes: fire extinguishing module 1 and gas drive module 2.
Referring to fig. 2, the fire extinguishing assembly 1 includes a fire extinguishing valve 12, a nozzle 13, a piston plate 14, and a fire extinguishing agent storage tank 11 having a tank cover and a tank bottom, the fire extinguishing valve 12 is disposed on the tank cover and communicated with an inner cavity of the fire extinguishing agent storage tank 11, the nozzle 13 is disposed on the fire extinguishing valve 12, and the piston plate 14 is slidably connected with the inner cavity of the fire extinguishing agent storage tank 11. In this embodiment, the fire suppressant storage tank 11 is cylindrical. In particular, the fire extinguishing assembly 1 can also be provided with a nozzle 15, the nozzle 15 being provided at the end of the lance 13. The nozzles 15 enable the extinguishing agent to be spread more evenly and more evenly. The fire extinguishing assembly 1 can also be provided with an inflating nozzle 16, and the inflating nozzle 16 is arranged on the tank cover. The fire extinguishing agent can be filled into the fire extinguishing agent storage tank 11 through the charging nozzle 16, so that the fire extinguishing agent storage tank 11 can be used for a longer time. The fire suppressant tank 11 may be further provided with a pressure display 3. The pressure display 3 is used to check whether the pressure of the fire extinguishing agent storage tank 11 is normal and to check for leakage.
Gas drive assembly 2, including drive gas storage bottle 21, drive gas valve 22, first pipeline 23 and second pipeline 24, drive gas valve 22 locates the bottleneck of gas storage bottle 21 and communicates with the inner chamber of gas storage bottle 21, first pipeline 23 both ends are connected with drive gas valve 22 and fire valve 12 respectively, 24 both ends of second pipeline are connected with fire valve 12 and tank bottoms respectively, and second pipeline 24 communicates with the inner chamber of fire extinguishing agent storage tank 11, drive gas opens fire valve 12 through first pipeline 23, first pipeline 23 communicates through fire valve 12 with second pipeline 24 simultaneously, drive gas gets into 11 drive piston plates 14 of fire extinguishing agent storage tank and moves to cover one end. In this embodiment, the driving gas storage cylinder 21 has a cylindrical shape.
Of course, the gas drive assembly 2 may also be provided with a solenoid valve 25, the solenoid valve 25 being connected to the drive gas valve 22. The electromagnetic valve 25 is used to open and close the drive gas valve 22 so as to control the opening and closing of the drive gas valve 22. The gas driving assembly 2 may further be provided with a low-leakage high-sealing valve 26, and the low-leakage high-sealing valve 26 is disposed on the first pipeline 23. The low-leakage high-sealing valve 26 is used to prevent the fire valve 12 from being opened by mistake when the driving gas valve 22 leaks slightly, and the low-leakage high-sealing valve 26 can also be used to release the driving gas in the first pipeline 23. The gas drive assembly 2 may also be provided with a gas check valve 27, the gas check valve 27 being provided on the second conduit 24 and opening into the interior of the fire suppressant storage tank 11. The gas check valve 27 prevents gas in the fire extinguishing agent storage tank 11 from flowing back, and improves the safety of the pipeline. The driving gas storage bottle 21 may be further provided with a pressure display 3. The pressure display 3 is used to check whether the gas pressure of the driving gas storage cylinder 21 is normal and to check the leakage condition.
Referring to fig. 3-5, the fire valve 12 includes a valve body 121 and a valve core assembly 122, the valve body 121 is provided with a driving gas inlet hole 12a, a sliding hole 12b, a first communication hole 12c, a driving gas outlet hole 12d, a fire extinguishing agent inlet hole 12e and a fire extinguishing agent outlet hole 12 f; the driving gas inlet hole 12a is communicated with the first communication hole 12c through a slide hole 12b, the first communication hole 12c is communicated with the driving gas outlet hole 12d, and the fire extinguishing agent inlet hole 12e is communicated with the fire extinguishing agent outlet hole 12f through a slide hole 12 b; the spool assembly 122 is provided with a second communication hole 12g and the spool assembly 122 is arranged in the slide hole 12 b; the spool assembly 122 has two different positions in the slide hole 12b so that the fire extinguishing valve 12 has a closed state and an open state, the closed state blocks the communication between the driving gas inlet hole 12a and the first communication hole 12c, and simultaneously blocks the communication between the fire extinguishing agent inlet hole 12e and the fire extinguishing agent outlet hole 12 f; in the open state, the driving gas inlet hole 12a is communicated with the first communicating hole 12c through the slide hole 12b, and the fire extinguishing agent inlet hole 12e is communicated with the fire extinguishing agent outlet hole 12f through the second communicating hole 12 g; the first pipe 23 is communicated with the driving gas inlet hole 12a, the nozzle 13 is communicated with the fire extinguishing agent outlet hole 12f, and the second pipe 24 is communicated with the driving gas outlet hole 12 d. The driving gas can push the valve core assembly 122 to move through the driving gas inlet hole 12a, so as to open the fire extinguishing valve 12. Specifically, the valve core assembly 122 includes a valve core 1221 and an elastic element 1222, the valve core 1221 is slidably disposed in the slide hole 12b, and two ends of the elastic element 1222 are respectively connected to one end of the valve core 1221 and one end of the inner wall of the slide hole 12 b. The elastic element 1222 is used to tightly support the valve body 1221 so that the fire valve 12 is in a closed state, and when the fire valve 12 needs to be closed due to the stopping of the fire extinguishing agent, the driving gas in the first pipeline 23 is decompressed, and the valve body 1221 can move under the action of the restoring force of the elastic element 1222, so as to close the fire valve 12. In this embodiment, the elastic member 1222 is a spring.
In this embodiment, the piston plate 14 may further include a one-way valve 141, and the one-way valve 141 opens to one side of the tank cover. The fire extinguishing agent is driven to be sprayed outwards through the dual action of the driving gas entering through the one-way valve 141 and the piston plate 14, so that the piston plate 14 can move slowly, and the pressure change of the fire extinguishing agent sprayed outwards is small.
Referring to fig. 1 to 5, the working principle of the gas fire extinguishing apparatus is as follows:
initially, the fire suppression valve 12 is in a closed state. When fire is needed to be extinguished, the electromagnetic valve 25 receives a starting signal, the electromagnetic valve 25 operates to start the driving gas valve 22, the driving gas pushes the valve core body 1221 in the fire extinguishing valve 12 through the first pipeline 23, the elastic element 1222 is compressed, the fire extinguishing valve 12 is opened, the spray pipe 13 is communicated with the fire extinguishing agent storage tank 11, and the fire extinguishing agent is sprayed outwards through the nozzle 15 of the spray pipe 13 to extinguish the fire; meanwhile, the first pipeline 23 is communicated with the second pipeline 24, the driving gas flows through the second pipeline 24 and flows through the gas one-way valve 27 to enter the bottom of the fire extinguishing agent storage tank 11, and the driving gas drives the piston plate 14 to move towards the tank cover side, so that the space on one side of the fire extinguishing agent is compressed, the pressure of the fire extinguishing agent is kept stable, and the fire extinguishing effect is good. Part of the driving gas can enter the space on one side of the fire extinguishing agent from the one-way valve 141, the dual functions of the driving gas and the piston plate 14 drive the fire extinguishing agent to be sprayed outwards, so that the piston plate 14 can move slowly, and the pressure change of the fire extinguishing agent sprayed outwards is small. The low-leakage high-sealing valve 26 is used to prevent the fire valve 12 from being opened by mistake when the driving gas valve 22 leaks slightly. Two pressure displays 3 are used for checking whether the air pressure of the fire extinguishing device is normal.
When the gas fire extinguishing device needs to be closed, the electromagnetic valve 25 receives a closing signal, the electromagnetic valve 25 acts to close the driving gas valve 22, and the low-leakage high-sealing valve 26 is manually opened, so that gas in the fire extinguishing agent storage tank 11 cannot flow back due to the action of the gas one-way valve 27 on the second pipeline 24, the gas pressure in the first pipeline 23 and the gas one-way valve 27 to the first pipeline 23 is reduced, the compressed elastic element 1222 acts at the moment to drive the valve core body 1221 in the fire extinguishing valve 12 to move, so that the fire extinguishing valve 12 is closed, the communication between the spray pipe 13 and the fire extinguishing agent storage tank 11 is cut off, and the fire extinguishing valve 12 is in an initial closed state to be used continuously for the next time.
By adopting the gas fire extinguishing device, the fire extinguishing valve 12 is opened by driving gas, the fire extinguishing agent is sprayed out through the spray pipe 13 for fire extinguishing, meanwhile, the driving gas enters the fire extinguishing agent storage tank 11 to drive the piston plate 14 to move towards one end of the tank cover so as to keep the pressure of the fire extinguishing agent in the fire extinguishing agent storage tank 11 stable, a suction pipe is not required to be arranged in the fire extinguishing agent storage tank 11, and the installation and placement postures of the fire extinguishing agent storage tank 11 can be randomly set; when the piston plate 14 moves to the end of one end of the tank cover of the fire extinguishing agent storage tank 11, the fire extinguishing agent in the fire extinguishing agent storage tank 11 can be completely extruded out, the best use of things is achieved, and no waste is caused; the device is flexible and reliable, and the applicability is strong.
It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A gas fire-extinguishing apparatus, comprising:
the fire extinguishing assembly comprises a fire extinguishing valve, a spray pipe, a piston plate and a fire extinguishing agent storage tank with a tank cover and a tank bottom, wherein the fire extinguishing valve is arranged on the tank cover and communicated with an inner cavity of the fire extinguishing agent storage tank, the spray pipe is arranged on the fire extinguishing valve, and the piston plate is in sliding connection with the inner cavity of the fire extinguishing agent storage tank; and
the gas driving assembly comprises a driving gas storage bottle, a driving gas valve, a first pipeline and a second pipeline, wherein the driving gas valve is arranged at a bottle opening of the gas storage bottle and communicated with an inner cavity of the gas storage bottle, two ends of the first pipeline are respectively connected with the driving gas valve and the fire extinguishing valve, two ends of the second pipeline are respectively connected with the fire extinguishing valve and a tank bottom, the second pipeline is communicated with the inner cavity of the fire extinguishing agent storage tank, the driving gas passes through the first pipeline to open the fire extinguishing valve, the first pipeline is communicated with the second pipeline through the fire extinguishing valve, and the driving gas enters the fire extinguishing agent storage tank to drive the piston plate to move towards one end of the tank cover.
2. A gas fire-extinguishing apparatus according to claim 1, wherein the fire-extinguishing assembly further comprises a nozzle provided at an end of the lance.
3. A gas fire-extinguishing apparatus according to claim 1, wherein the fire-extinguishing assembly further comprises an inflation nozzle provided on the lid.
4. The gas fire extinguishing apparatus according to claim 1, wherein the fire extinguishing valve comprises a valve body and a valve core assembly, the valve body is provided with a driving gas inlet hole, a slide hole, a first communication hole, a driving gas outlet hole, a fire extinguishing agent inlet hole and a fire extinguishing agent outlet hole; the driving gas inlet hole is communicated with the first communication hole through the sliding hole, the first communication hole is communicated with the driving gas outlet hole, and the fire extinguishing agent inlet hole is communicated with the fire extinguishing agent outlet hole through the sliding hole; the valve core assembly is provided with a second communication hole and is arranged in the sliding hole; the valve core assembly is arranged at two different positions in the sliding hole, so that the fire extinguishing valve has a closed state and an open state, the closed state blocks the communication between the driving gas inlet hole and the first communication hole, and simultaneously blocks the communication between the fire extinguishing agent inlet hole and the fire extinguishing agent outlet hole; when the fire extinguishing device is in an open state, the driving gas inlet hole is communicated with the first communicating hole through the sliding hole, and meanwhile, the fire extinguishing agent inlet hole is communicated with the fire extinguishing agent outlet hole through the second communicating hole; the first pipeline is communicated with the driving gas inlet hole, the spray pipe is communicated with the fire extinguishing agent outlet hole, and the second pipeline is communicated with the driving gas outlet hole.
5. The gas fire extinguishing apparatus according to claim 4, wherein the valve core assembly includes a valve core body and an elastic element, the valve core body is slidably disposed in the slide hole, and two ends of the elastic element are respectively connected to one end of the valve core body and an inner wall of one end of the slide hole.
6. A gas fire suppression apparatus as recited in claim 1, wherein said gas drive assembly further comprises a solenoid valve connected to said drive gas valve.
7. A gas fire-extinguishing apparatus according to claim 1, wherein the gas drive assembly further comprises a low-leakage high-sealing valve provided on the first pipeline.
8. A gas fire suppression apparatus as recited in claim 1, wherein said gas drive assembly further comprises a gas check valve disposed on said second conduit and opening into an interior cavity of said fire suppressant storage tank.
9. A gas fire extinguishing apparatus as recited in claim 1, wherein the piston plate is provided with a one-way damper that opens to one side of the tank cover.
10. A gas fire extinguishing apparatus as recited in claim 1, wherein gas pressure displays are provided on both the fire suppressant storage tank and the driving gas storage bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571478.0U CN212016510U (en) | 2020-04-17 | 2020-04-17 | Gas fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571478.0U CN212016510U (en) | 2020-04-17 | 2020-04-17 | Gas fire extinguishing device |
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| CN212016510U true CN212016510U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020571478.0U Active CN212016510U (en) | 2020-04-17 | 2020-04-17 | Gas fire extinguishing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717309A (en) * | 2020-12-18 | 2021-04-30 | 郑州大学 | Fan blade type turbulent fire extinguishing device |
-
2020
- 2020-04-17 CN CN202020571478.0U patent/CN212016510U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717309A (en) * | 2020-12-18 | 2021-04-30 | 郑州大学 | Fan blade type turbulent fire extinguishing device |
| CN112717309B (en) * | 2020-12-18 | 2021-10-08 | 郑州大学 | Fan blade type turbulent fire extinguishing device |
| WO2022127931A1 (en) * | 2020-12-18 | 2022-06-23 | 周崇博 | Turbulent flame experiment device |
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