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CN210873842U - Air bag type air-pushing type water system fire extinguisher - Google Patents

Air bag type air-pushing type water system fire extinguisher Download PDF

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Publication number
CN210873842U
CN210873842U CN201921497326.4U CN201921497326U CN210873842U CN 210873842 U CN210873842 U CN 210873842U CN 201921497326 U CN201921497326 U CN 201921497326U CN 210873842 U CN210873842 U CN 210873842U
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gas
air
bag
fire extinguisher
medicament storage
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魏晋武
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Xi'an Suntech Safety Technology Co ltd
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Xi'an Suntech Safety Technology Co ltd
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Abstract

The utility model relates to an air bag type air-pushing type water system fire extinguisher, which is characterized in that a nozzle is arranged at the top of a cylinder, the inner cavity of the cylinder is divided into a gas generating cavity and a medicament storage cavity by a sealing partition plate, the medicament storage cavity is arranged above the gas generating cavity, the outlet end of the medicament storage cavity is opposite to the nozzle of the cylinder, a water system fire extinguishing agent is packaged in the medicament storage cavity, the center of the sealing partition plate is provided with an air flow valve and an air bag, the air bag extends into the medicament storage cavity and is embedded in the water system fire extinguishing agent, the air leakage hole of the air flow valve is arranged in the air bag to inflate the air bag, the utility model mainly utilizes the gas generating agent to ignite instant gas generation to instantly generate high-pressure gas as a power source to open the air flow valve, the air flow valve is filled with gas in the air bag, the fire extinguishing agent in the medicament, the safety is better, and the storage time is longer.

Description

Air bag type air-pushing type water system fire extinguisher
Technical Field
The utility model belongs to the technical field of fire extinguishing apparatus, it especially relates to a gasbag formula gas pushes away type river system fire extinguisher.
Background
The fire extinguisher is an indispensable device when fire danger occurs, can effectively inhibit fire,the fire disaster is eliminated at the beginning. The existing fire extinguishers are mainly divided into dry powder fire extinguishers and water-based fire extinguishers, wherein the dry powder fire extinguishers have high air pressure and are easy to cause danger, and meanwhile, the fire extinguisher steel cylinder has the possibility of air leakage and air leakage, so that the fire extinguishers cannot be normally used during fire extinguishment due to air leakage, and unexpected loss is caused to families. Can cause serious environmental pollution when in use. The water-based fire extinguisher belongs to a non-toxic, harmless and pollution-free fire extinguisher, and is easy to clean after fire extinguishment, so that the water-based fire extinguisher is popular in the market. However, the existing water-based fire extinguishers are mainly stored under pressure, i.e. inert gas or CO is mostly used2The fire extinguisher is used as a power source to push a water system fire extinguishing agent to be sprayed, the spraying speed can be slowed down along with time in the storage and spraying mode, the fire extinguishing agent is easy to remain to influence the fire extinguishing effect, and the storage of inert gas enables the fire extinguisher to be complex in structure, not easy to carry and poor in storage stability.
Disclosure of Invention
In order to overcome the not enough that the river system fire extinguisher among the prior art exists, the utility model provides a gasbag formula air push type river system fire extinguisher, it can guarantee that a section of thick bamboo internal gas pressure is stable, and fire extinguishing efficiency is high, duration extension and storage stability are good.
The utility model adopts the technical proposal that:
the utility model provides a gasbag formula gas pushes away type river system fire extinguisher, includes the barrel, is provided with nozzle 8 at the top of barrel, the barrel inner chamber is separated for producing gas chamber 2 and medicament storage chamber 1 through seal partition board 6, is equipped with gas production agent and ignition head 4 in producing gas chamber 2 intussuseption, and medicament storage chamber 1 is in the top of producing gas chamber 2, and the exit end of medicament storage chamber 1 is relative with nozzle 8 of barrel, and the water system fire extinguishing agent is sealed in medicament storage chamber 1, the center of seal partition board 6 is provided with the air vent, is provided with air current valve 7 and gasbag 10 on the air vent, and gasbag 10 extends to and buries underground in medicament storage chamber 1 in the river system fire extinguishing agent, and the hole that loses of air current valve 7 sets up in gasbag 10, aerifys gasbag 10.
Further, the sealing partition plate 6 is an arc panel or a conical panel protruding towards the spraying direction of the fire extinguishing agent, so that the fire extinguishing agent is prevented from remaining in a dead angle at the bottom when the air bag is unfolded.
Further preferably, the central angle of the arc-shaped section of the sealing and separating plate 6 is 100-160 degrees.
Further inject, the inner wall of the cylinder is provided with a diversion trench, so that the fire extinguishing agent can be longitudinally upwards or transversely circulated along with the upward extrusion of the air bag, no residue is generated, and the full and effective utilization of the agent is achieved.
Further preferably, the guide grooves are crosswise arranged along the cylinder wall.
Further, the ratio of the volumes of the gas generating chamber 2 and the medicament storage chamber 1 is 0.12 to 0.24: 1, the inner diameters of the gas generating cavity 2 and the medicament storage cavity 1 are consistent, and a reasonable medicament ratio is achieved.
Further limiting, a fire blocking piece 5 is arranged at the upper port of the gas generating cavity 2 along the radial direction, so that the gas generating agent generates gas at a uniform speed.
Preferably, the fire-blocking sheet 5 is a grid structure formed by opening a central nozzle hole in the center of a base plate, and the base plate on the periphery of the central nozzle hole is formed by circumferentially spreading a plurality of fire-blocking blades along the radial direction of the central nozzle hole.
Further defined, the air bag 10 has a strip-bag structure to accommodate the internal structure of the medicine storage chamber 1.
The air bag type gas-pushing type water system fire extinguisher of the utility model utilizes the gas-producing agent to ignite instant gas production to instantly produce high-pressure gas as a power source to open the air flow valve, the air bag is filled with gas to expand the air bag, the air bag pushes the fire extinguishing agent in the agent storage cavity to be sprayed outwards while expanding the air bag, thereby improving the fire extinguishing efficiency, meanwhile, in order to protect the fire extinguishing agent to be discharged completely when the air bag is opened, the inner wall of the agent storage cavity is processed with a structure design of a transverse and longitudinal crossed diversion trench and an arc-shaped partition board, the fire-blocking piece ensures the relative stability of the air pressure of the air-generating chamber, improves the fire-extinguishing efficiency, ensures the long duration of the fire-extinguishing time, moreover, the utility model does not need special inflation facilities or gas storage bottles, has simple structure, convenient operation, better safety and longer preservation time, and annual inspection is not needed in the valid period, the maintenance cost is low, and the device is suitable for occasions needing to store the fire-fighting equipment for a long time.
Drawings
Fig. 1 is a schematic structural view of a gas-bag type gas-push water-based fire extinguisher according to example 1.
Fig. 2 is a schematic view of the structure of the gas valve in fig. 1.
Fig. 3 is a schematic view of the fire stop piece of fig. 1.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples, but the present invention is not limited to the following implementation.
Gasbag formula gas pushes away type river system fire extinguisher includes parts such as the outside outer protective housing of barrel and ooff valve, ignition starter, safety pin usually, but the utility model discloses an innovation part is mainly inside the barrel.
Example 1
Referring to fig. 1, the air bag type air-pushing water system fire extinguisher according to the embodiment includes a cylinder, a medicament storage chamber 1, an air generation chamber 2, a nozzle 8, a check valve 9, an air generation agent, an ignition head 4, a sealing partition plate 6, an air bag 10, an air flow valve 7 and a fire blocking sheet 5, and specifically includes:
a nozzle 8 is arranged on the top of the cylinder, the nozzle 8 is arranged on a switch valve, and a one-way valve 9 is also arranged in the nozzle 8 in order to ensure the sealing effect of the water-based fire extinguishing agent. The inner cavity of the cylinder body is divided into a gas generating cavity 2 and a medicament storage cavity 1 by a sealing baffle plate 6. Wherein, the gas generating cavity 2 is arranged at the bottom of the cylinder body, the gas generating agent and the ignition head 4 are filled in the gas generating cavity 2, in order to ensure the filling effect, the gas generating agent can be filled in the nylon rubber heat insulation sleeve 3, the gas generating agent can be a composition which is composed of 75 percent of nitrate, 15 percent of melamine and 10 percent of phenolic resin and is easy to ignite and generates inert gas after ignition, and can also be replaced by other gas generating agents. An ignition head 4 is embedded on the upper surface of the gas generating agent, the ignition head 4 is connected with an ignition starter through a conducting wire, the ignition starter belongs to an ignition starter for a common fire extinguisher, the ignition starter is connected with a switch valve, and the ignition starter can be started to work and start ignition work by controlling the switch valve.
A medicament storage cavity 1 is arranged above the gas production cavity 2, the medicament storage cavity 1 is mainly used for storing a water-based extinguishing agent, and the water-based extinguishing agent is 5 parts of zinc-aluminum hydrotalcite; 5 parts of aminocarboxylate and 8 parts of sodium alginate; 4 parts of potassium sorbate; 1.0 part of sodium dodecyl benzene sulfonate; deionized water was added to 100 parts composition. The water-based fire extinguishing agent can also be selected from fire extinguishing agents without toxic action formed by mixing water with other additives such as foaming agents, surfactants, fire retardants, antifreeze agents, cooling agents and the like, and the water-based fire extinguishing agent can be any fire extinguishing agent which can stably exist in a liquid state at normal temperature and normal pressure. The sealing partition plate 6 is arranged at the bottom of the medicament storage cavity 1, and the bottom of the medicament storage cavity 1 is isolated from the gas generating cavity 2 through the sealing partition plate 6. A vent hole is formed in the center of the partition board 6, a one-way airflow valve 7 and an air bag 10 are mounted on the vent hole, the air bag 10 extends into the agent storage cavity 1 and is embedded in the water-based fire extinguishing agent, the airflow valve 7 is opened, high-pressure airflow enters the air bag 10 to open the air bag 10, and the air bag 10 plays a role in boosting the water-based fire extinguishing agent in the agent storage cavity 1 in the process of being opened, so that the water-based fire extinguishing agent is sprayed out.
Further, in order to ensure that no dead space remains at the bottom of the chemical storage chamber 1 when the airbag 10 is opened, the sealing partition plate 6 is formed as an arc-shaped panel protruding toward the direction of spraying the fire extinguishing agent, and the central angle of the arc-shaped cross section is 150 °. Meanwhile, the inner wall of the agent storage cavity 1 is provided with transverse and longitudinal crossed guide grooves, so that the water-based fire extinguishing agent can flow in the agent storage cavity 1, no residue is generated, and the effective injection of the fire extinguishing agent is ensured.
For further explanation, referring to fig. 2, the air flow valve 7 of the present embodiment may be composed of a valve body 71, a bellows 72, a thimble 73, and a sealing plate 74; the valve body 71 is of an internal open-pore cavity structure, the valve body 71 is arranged on a vent hole of the partition sealing plate 6, the lower end of the valve body 71 extends to the lower part of the partition sealing plate 6, the upper end of the valve body 71 extends into the air bag 10 above the partition sealing plate 6, and a one-way upturning sealing plate 74 is arranged on a cavity port air leakage hole of the part, extending to the upper part of the partition sealing plate 6, of the valve body 71. The lower end surface of the valve body 71 is connected with a thimble 73 through a corrugated pipe 72, and the thimble 73 consists of a top seat and a top tip arranged in the middle of the top seat; the tip of the thimble 73 passes through the inner cavity of the bellows 72 and extends to the inner cavity of the valve body 71 and is opposite to the sealing plate 74. The footstock of the thimble 73 extends to the lower part of the sealing partition plate 6, when the air pressure of combustion of the gas generating agent exceeds the pressure bearing capacity of the footstock of the thimble 73, the footstock of the thimble 73 moves, the tip part of the thimble 73 pushes the sealing plate 74 upwards, the air release hole is opened, the gas generated by the gas generating agent enters the air bag 10 to open the air bag 10, and when the air bag 10 is opened, the fire extinguishing agent in the agent storage cavity 1 is extruded to increase the air pressure of the air bag, so that high-pressure liquid is formed to be sprayed outwards, completely released and has no residue, and the best fire extinguishing effect is ensured.
Further, in order to ensure stable air pressure injection, prolong the fire extinguishing duration and ensure the fire extinguishing efficiency, the inner diameters of the gas generating cavity 2 and the medicament storage cavity 1 of the embodiment are consistent, the height of the gas generating cavity 2 is 32cm, the height of the medicament storage cavity 1 is 170cm, and the volume ratio is 0.18: 1 distribution ratio.
Further explaining, referring to fig. 3, the upper port of the gas generating chamber 2 of the present embodiment may further be provided with a fire blocking plate 5 along the radial direction, so as to ensure the uniform combustion of the gas generating agent and the uniform generation of high pressure gas, ensure the duration of the gas pressure, and ensure the duration of the fire extinguishing. The fire flaps 5 may be made of fire-resistant steel plates, which have a certain elasticity in the performance range. Referring to fig. 3, the fire barrier 5 is formed by forming a fire hole with a radius of about 6mm in the center of a base plate, and forming a grid structure by circumferentially spreading a plurality of fire barrier blades along the radial direction of the fire hole at the periphery of the fire hole. The central angle of each blade is 5 degrees, and every blade of keeping off a fire all inclines along same direction, for the performance of guaranteeing ventilation effect and fender fire piece 5, sets up its inclination at 5, can adjust it at 5 ~ 10 within ranges adjustment when the atmospheric pressure that puts out a fire needs to take place the transform.
When the fire extinguishing agent is used, the ignition starter is started, the ignition head 4 is ignited, the gas generating agent is ignited instantly to generate a large amount of high-pressure airflow, when the pressure exceeds the bearing capacity of the ejector pin 73 ejector seat, the ejector pin 73 ejector seat moves, the sealing plate 74 is pushed upwards by the tip part of the ejector pin 73, the gas release hole is opened, the gas generated by the gas generating agent enters the air bag 10 to open the air bag 10, and when the air bag 10 is opened, the fire extinguishing agent in the agent storage cavity 1 is extruded to increase the pressure of the fire extinguishing agent, so that high-pressure liquid is sprayed outwards and is released completely without residue, and the best fire extinguishing effect is ensured.
Example 2
This embodiment is different from embodiment 1 in that the bulkhead 6 of this embodiment is provided as an arcuate panel projecting toward the direction of fire extinguishing agent spraying, and the central angle of the arcuate cross section is 160 °. Simultaneously, processing has the guiding gutter that extends along 1 length direction in medicament storage chamber on 1 inner wall in medicament storage chamber, and the guiding gutter is along 1 inner wall circumference evenly distributed in medicament storage chamber to make water system fire extinguishing agent store chamber 1 by no residue at the medicament, guarantee that the fire extinguishing agent effectively sprays.
The fire-blocking piece 5 of this embodiment is installed in the upper end of producing gas chamber 2, guarantees that the gas agent is at the uniform velocity burning and at the uniform velocity produces high-pressure gas, guarantees the duration of atmospheric pressure, guarantees the duration of putting out a fire. The structure of the fire blocking sheet 5 of the embodiment is that a fire passing hole with the radius of about 5mm is formed in the center of the base plate, and a grid structure formed by a plurality of fire blocking blades which are circumferentially unfolded along the radial direction of the fire passing hole is arranged on the periphery of the fire passing hole. The central angle of each blade is 10 degrees, and every blade of keeping off a fire all inclines along same direction, in order to guarantee the performance of ventilation effect and fire blocking piece 5, sets up its inclination at 10, can adjust it at 5 ~ 10 within ranges adjustment when the atmospheric pressure that puts out a fire needs to take place the transform.
The structures of other components and their connection relationships are the same as those in embodiment 1.
Example 3
The difference from the embodiment 1 is that: in the present embodiment, a guide hose is connected to the nozzle 8, and a horn-shaped head is attached to the other end of the guide hose.
The bulkhead 6 of the present embodiment is formed as an arc-shaped panel protruding in the direction of spraying the fire extinguishing agent, and the central angle of the arc-shaped cross section is 100 °. Simultaneously, processing has the guiding gutter that extends along 1 length direction in medicament storage chamber on 1 inner wall in medicament storage chamber, and the guiding gutter is along 1 inner wall circumference evenly distributed in medicament storage chamber to make water system fire extinguishing agent store chamber 1 by no residue at the medicament, guarantee that the fire extinguishing agent effectively sprays.
The gas generation cavity 2 and the medicament storage cavity 1 of the embodiment have the same inner diameter, the height of the gas generation cavity 2 is 37cm, the height of the medicament storage cavity 1 is 300cm, and the volume ratio is 0.123: 1 distribution ratio.
The structures of other components and their connection relationships are the same as those in embodiment 1.
Example 4
The partition plate 6 of the present embodiment is a conical plate projecting in the direction of the fire extinguishing agent, and the angle of taper thereof is 150 °, and may be adjusted between 120 ° and 160 °.
The structures of other components and their connection relationships are the same as those in embodiment 1.
The above embodiments are merely preferred embodiments of the present invention, and are not limited to the description, and the structure of the barrel, the shape of the nozzle 8, the installation position of the switch valve, and the like all belong to the conventional technologies in the technical field, and do not belong to the innovative part of the present invention, and therefore, the detailed description is omitted, and the selection and design of the structure of the part can be selected and implemented by those skilled in the art according to the actual use requirements.

Claims (9)

1. The utility model provides an air bag formula air-propelled type river system fire extinguisher, includes the barrel, is provided with nozzle (8) at the top of barrel, its characterized in that: the utility model discloses a fire extinguishing agent, including barrel inner chamber, division board, medicament storage chamber, nozzle (8), division board, medicament storage chamber, air generating chamber, medicament storage chamber, division board, medicament storage chamber, division board.
2. The gas-bag-type gas-push water-based fire extinguisher according to claim 1, characterized in that: the sealing partition plate (6) is an arc panel or a conical panel which is protruded towards the spraying direction of the fire extinguishing agent.
3. The gas-bag-type gas-push water-based fire extinguisher according to claim 1, characterized in that: the arc-shaped section central angle of the sealing partition plate (6) is 100-160 degrees.
4. The gas-bag-type gas-push water-based fire extinguisher according to claim 1, characterized in that: the inner wall of the cylinder body is provided with a diversion trench.
5. The gas-bag-type gas-push water-based fire extinguisher according to claim 4, characterized in that: the flow guide grooves are crosswise arranged along the cylinder wall in a transverse and longitudinal mode.
6. The gas-bag-type gas-push water-based fire extinguisher according to claim 4, characterized in that: the volume ratio of the gas generating cavity (2) to the medicament storage cavity (1) is 0.12-0.24: 1, and the inner diameters of the gas generating cavity (2) and the medicament storage cavity (1) are consistent.
7. The air-bag type air-pushing water-based fire extinguisher according to any one of claims 1 to 6, characterized in that: and a fire blocking sheet (5) is arranged at the upper port of the gas generating cavity (2) along the radial direction.
8. The gas-bag-type gas-push water-based fire extinguisher according to claim 7, characterized in that: the fire blocking sheet (5) is provided with a central spray hole in the center of the substrate, and the substrate on the periphery of the central spray hole is of a grid structure formed by a plurality of fire blocking blades which are circumferentially spread along the radial direction of the central spray hole.
9. The gas-bag-type gas-push water-based fire extinguisher according to claim 7, characterized in that: the air bag (10) is of a strip bag-shaped structure.
CN201921497326.4U 2019-09-06 2019-09-06 Air bag type air-pushing type water system fire extinguisher Active CN210873842U (en)

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Application Number Priority Date Filing Date Title
CN201921497326.4U CN210873842U (en) 2019-09-06 2019-09-06 Air bag type air-pushing type water system fire extinguisher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921497326.4U CN210873842U (en) 2019-09-06 2019-09-06 Air bag type air-pushing type water system fire extinguisher

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CN210873842U true CN210873842U (en) 2020-06-30

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112121339A (en) * 2020-10-14 2020-12-25 刘名宝 A one-time environmental protection throwing dual-purpose fire extinguishing bomb
CN112316334A (en) * 2020-11-04 2021-02-05 中联航天(北京)科技发展有限公司 Perfluorohexanone quick fire extinguishing device
CN115607880A (en) * 2022-11-02 2023-01-17 湖北航天化学技术研究所 Double-bag type non-pressure-storage flat automatic fire extinguishing device
CN115869574A (en) * 2023-02-09 2023-03-31 北京鲸耀科技有限公司 Automatic fire extinguishing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112121339A (en) * 2020-10-14 2020-12-25 刘名宝 A one-time environmental protection throwing dual-purpose fire extinguishing bomb
CN112316334A (en) * 2020-11-04 2021-02-05 中联航天(北京)科技发展有限公司 Perfluorohexanone quick fire extinguishing device
CN115607880A (en) * 2022-11-02 2023-01-17 湖北航天化学技术研究所 Double-bag type non-pressure-storage flat automatic fire extinguishing device
CN115869574A (en) * 2023-02-09 2023-03-31 北京鲸耀科技有限公司 Automatic fire extinguishing device

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