CN115814310A - Small portable cold aerosol fire extinguisher with telescopic spray pipe - Google Patents
Small portable cold aerosol fire extinguisher with telescopic spray pipe Download PDFInfo
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- CN115814310A CN115814310A CN202310045433.8A CN202310045433A CN115814310A CN 115814310 A CN115814310 A CN 115814310A CN 202310045433 A CN202310045433 A CN 202310045433A CN 115814310 A CN115814310 A CN 115814310A
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Abstract
The invention discloses a small portable cold aerosol fire extinguisher with a telescopic spray pipe, which comprises: the cylinder body is filled with a cold aerosol fire extinguishing agent; the controllable valve part comprises a valve body, the valve body is fixedly connected to the top end of the cylinder, a control assembly is mounted at the top of the valve body, a siphon pipe is fixedly connected to the bottom end of the valve body, the bottom end of the siphon pipe extends into the cold aerosol fire extinguishing agent, an elastic sealing assembly is mounted on the valve body, the control assembly is used for controlling the elastic sealing assembly, an air supplementing assembly and a monitoring assembly are respectively arranged on two sides of the valve body, the air supplementing assembly and the monitoring assembly are fixedly connected with the valve body, and the air supplementing assembly and the monitoring assembly are communicated with the valve body; the flexible nozzle pipe portion of can buckling, flexible nozzle pipe portion of can buckling and valve body rigid coupling, and flexible nozzle pipe portion of can buckling and valve body intercommunication. The fire extinguishing device is novel in structure, convenient to operate, good in safety and suitable for extinguishing fire in various fire scenes.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to a small portable cold aerosol fire extinguisher with a telescopic spray pipe.
Background
The portable dry powder fire extinguisher is the most common fire-fighting equipment used in production and life, and is an indispensable portable fire-extinguishing tool in the aspect of daily early fire prevention and control. The portable dry powder fire extinguisher is filled with common dry powder fire extinguishing agent, the fire extinguishing base material is ammonium dihydrogen phosphate, the granularity is large, the average grain diameter is about 40 mu m, the suspension capability is poor, the fire extinguishing capability of total flooding is not available, and the portable dry powder fire extinguisher is mainly used for extinguishing fire in outdoor open space. The loading amount of the dry powder extinguishing agent in the fire extinguisher is generally kilogram, such as 3 kilogram, 5 kilogram, 8 kilogram and the like, and the fire extinguisher is also smaller, such as 500 g and the like. The portable dry powder fire extinguisher is generally driven by inert nitrogen or carbon dioxide, and the working pressure is generally 1.0-1.2MPa. Because the fire extinguishing efficiency of the common dry powder filled in the fire extinguisher is not high, the fire extinguishing efficiency of the fire extinguisher is generally low, a large amount of residue is left after fire extinguishing, and the environmental pollution is serious. Because the spray pipe of the fire extinguisher is generally a soft spray pipe with the length of 40cm, the fire extinguisher is difficult to operate at a place far away from flame by a fire extinguisher worker, the fire extinguisher has the risk of being burnt by the flame during fire extinguishing, and the fire extinguisher is generally not easy to master by women. The dry powder sprayed by the fire extinguisher cannot be directly sprayed into a relatively closed space to carry out total flooding fire extinguishing. For the fire disasters such as spontaneous combustion of an automobile engine cabin, because personnel are difficult to open a high-temperature engine cabin cover which is on fire, the fire extinguisher can not extinguish the fire in the cabin basically, and the vehicle is burnt very often.
Therefore, there is a need to design a small portable cold aerosol fire extinguisher with a telescopic nozzle to solve the above problems.
Disclosure of Invention
The invention aims to provide a small portable cold aerosol fire extinguisher with a telescopic spray pipe, which solves the problems in the prior art.
In order to achieve the above object, the present invention provides a small portable cold aerosol fire extinguisher with a telescopic nozzle, comprising:
the fire extinguishing device comprises a cylinder, wherein a cold aerosol fire extinguishing agent is filled in the cylinder;
the controllable valve comprises a valve body, the valve body is fixedly connected to the top end of the cylinder, a control assembly is mounted at the top of the valve body, a siphon pipe is fixedly connected to the bottom end of the valve body, the bottom end of the siphon pipe extends into the cold aerosol fire extinguishing agent, an elastic sealing assembly is mounted on the valve body and used for controlling the elastic sealing assembly, an air supplementing assembly and a monitoring assembly are respectively arranged on two sides of the valve body and fixedly connected with the valve body, and the air supplementing assembly and the monitoring assembly are communicated with the valve body;
the flexible nozzle pipe portion of can buckling, flexible nozzle pipe portion of can buckling with the valve body rigid coupling, just flexible nozzle pipe portion of can buckling with the valve body intercommunication.
Preferably, flexible spray tube portion of can buckling includes elbow joint, the flexible pipe of rigidity and nozzle, elbow joint with the valve body rigid coupling, just elbow joint with the valve body intercommunication, the flexible pipe rigid coupling of rigidity is in elbow joint is terminal, the nozzle can dismantle the connection be in the flexible end of pipe of rigidity.
Preferably, the nozzle includes both a thin cone nozzle and a flat nozzle.
Preferably, the air supply assembly comprises an air supply nozzle and a dust cap, the air supply nozzle is fixedly connected to the outer side of the valve body and communicated with the valve body, the air supply nozzle is a one-way valve, and the dust cap is sleeved on the air supply nozzle.
Preferably, the fire extinguishing base material of the cold aerosol fire extinguishing agent is a sylvite high-efficiency chemical fire extinguishing material, the sylvite high-efficiency chemical fire extinguishing material comprises potassium bicarbonate or potassium nitrate, and the average particle size of the fire extinguishing base material is less than 8 mu m.
Preferably, the driving gas is air, and the working pressure is 0.4MPa-1.2MPa.
Preferably, the elastic sealing component comprises a valve rod, a spring and a riser seat, wherein the valve rod penetrates through the valve body, the valve rod is connected with the valve body in a sliding mode, the riser seat is fixedly connected to the bottom end of the valve body, the siphon is fixedly connected to the bottom of the riser seat, the siphon is communicated with the valve body through the riser seat, the spring is located in the riser seat, the bottom end of the spring is fixedly connected to the top of the riser seat, and the top end of the spring is fixedly connected to the bottom end of the valve rod.
Preferably, the control assembly comprises a carrying handle and a pressing handle, the carrying handle is fixedly connected to the top of the valve body, the pressing handle is hinged to the top of the valve body and located above the carrying handle, the pressing handle is located above the valve rod and used for controlling the valve rod, limiting holes are formed in the carrying handle and the pressing handle, and safety pins are inserted into the limiting holes through the carrying handle and the pressing handle.
Preferably, the monitoring assembly comprises a pressure gauge, the pressure gauge is fixedly connected to the outer side of the valve body, and the pressure gauge is communicated with the valve body.
The invention discloses the following technical effects:
1. compared with the existing dry powder fire extinguisher, the invention is provided with the bendable telescopic spray pipe part, and has the advantages of difficult burning of flame during fire extinguishing, convenient operation, suitability for both men and women and safe use. Meanwhile, the fire extinguisher also overcomes the defect that the existing fire extinguisher can not spray extinguishing agent into a closed space to carry out full-flooding fire extinguishing, and the application range is greatly expanded.
2. The fire extinguisher is filled with the cold aerosol fire extinguishing agent with high chemical activity of fire extinguishing base material, high hydrophobic and anti-caking property, fine granularity and strong suspension capacity, and a small fire extinguisher filled with 300g of the fire extinguishing agent can extinguish nearly 20m 3 And (2m x 5m) the fire disaster of the closed space can greatly improve the fire extinguishing efficiency.
3. The fire extinguisher adopts air as fire extinguishing agent driving gas and is provided with the air supplementing component, so that a user can conveniently and automatically inflate the fire extinguisher to working pressure when the internal gas pressure is reduced without air supplementing operation through a professional organization (the conventional dry powder fire extinguisher needs to supplement nitrogen or carbon dioxide gas by the professional organization), and the fire extinguisher is greatly convenient for families and individuals to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view showing the structure of a small portable cold aerosol fire extinguisher with a retractable nozzle according to the present invention;
FIG. 2 is a schematic view of a rigid extension tube of a hand-held fire extinguisher in a stretched state;
FIG. 3 illustrates a normal state of the elbow connector;
FIG. 4 shows the powder spraying state of the elbow joint;
FIG. 5 is a schematic view of the present invention spraying a fire suppressant;
FIG. 6 is a schematic illustration of the use of the present invention to extinguish a fire in an automotive engine compartment;
wherein, 1, pressing the handle; 2. a safety pin; 3. a carrying handle; 4. a valve body; 5. a valve stem; 6. a spring; 7. a rigid extension tube; 8. a siphon tube; 9. a drive gas; 10. a cold aerosol fire extinguishing agent; 11. a barrel; 12. a dust cap; 13. a gas supplementing nozzle; 14. a pressure gauge; 15. and (4) a nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 5, the present invention provides a small portable cold aerosol fire extinguisher with a telescopic nozzle, comprising:
a cylinder 11, wherein the cylinder 11 is filled with a cold aerosol fire extinguishing agent 10;
the controllable valve comprises a valve body 4, the valve body 4 is fixedly connected to the top end of a cylinder 11, a control assembly is mounted at the top of the valve body 4, a siphon 8 is fixedly connected to the bottom end of the valve body 4, the bottom end of the siphon 8 extends into a cold aerosol fire extinguishing agent 10, an elastic sealing assembly is mounted on the valve body 4 and used for controlling the elastic sealing assembly, an air supplementing assembly and a monitoring assembly are respectively arranged on two sides of the valve body 4 and fixedly connected with the valve body 4, and the air supplementing assembly and the monitoring assembly are communicated with the valve body 4;
the flexible nozzle pipe portion of can buckling, flexible nozzle pipe portion of can buckling and valve body 4 rigid coupling, and flexible nozzle pipe portion of can buckling and valve body 4 intercommunication.
Furthermore, the bendable telescopic spray pipe part comprises a turning joint, a rigid telescopic pipe 7 and a nozzle 15, the turning joint is fixedly connected with the valve body 4 and communicated with the valve body 4, the rigid telescopic pipe 7 is fixedly connected at the tail end of the turning joint, and the nozzle 15 is detachably connected at the tail end of the rigid telescopic pipe 7.
Further, the maximum length of the rigid telescopic tube 7 is more than 1m, and the minimum length of the rigid telescopic tube 7 is less than 25cm.
The invention can extend the length to more than 1m when working by arranging the bendable telescopic nozzle part, so that an operator can put out a fire at a position far away from flame without being burnt by the flame, and even a woman can use the fire extinguisher safely and conveniently. Meanwhile, the bendable telescopic spray pipe part can be shortened to be within 25cm when not in work, and can be bent to 90 degrees to be attached to the fire extinguisher cylinder body 11 through the bent joint so as to be convenient to carry.
As shown in fig. 3, when the elbow connector is turned by 90 °, the rigid telescopic tube 7 is contracted and folded toward the fire extinguisher cylinder 11 along with the elbow connector being turned by 90 ° for carrying. As shown in fig. 4, the turning joint is in a 180-degree horizontal straightening state during powder spraying, and the rigid telescopic pipe 7 connected with the turning joint is also in a horizontal and stretching state during powder spraying.
Further, the nozzle 15 includes both a thin tapered nozzle and a flat nozzle.
The invention can be replaced according to different fire extinguishing scenes by arranging two forms of the thin conical nozzle and the flat nozzle. The nozzle 15 can be conveniently inserted into the ventilation ports, the radiating fins and other gaps of closed and semi-closed spaces such as an automobile engine compartment, a charging pile, a power distribution cabinet and the like, and the fire extinguishing agent is sprayed into the interior of the nozzle to carry out total flooding fire extinguishing.
Further, the air supply assembly comprises an air supply nozzle 13 and a dust cap 12, the air supply nozzle 13 is fixedly connected to the outer side of the valve body 4, the air supply nozzle 13 is communicated with the valve body 4, the air supply nozzle 13 is a one-way valve, and the dust cap 12 is sleeved on the air supply nozzle 13.
The air supply method comprises the following steps: in the process of storage or before use of the fire extinguisher, if the internal pressure of the fire extinguisher displayed by the pressure gauge 14 is seriously reduced, the fire extinguisher needs to be supplemented with air, and the fire extinguisher can be supplemented with air by using a common inflator to inflate a bicycle. The air supply pressure gauge 14 indicates that the air supply is completed when the powder spraying pressure recommended by the invention is reached, and the fire extinguisher can be normally used. The air supply nozzle 13 is a one-way valve, can only supply air, but can not exhaust air, and has reliable sealing and convenient air supply.
Further, the fire extinguishing base material of the cold aerosol fire extinguishing agent 10 is a potassium salt high-efficiency chemical fire extinguishing material, the potassium salt high-efficiency chemical fire extinguishing material comprises potassium bicarbonate or potassium nitrate, and the average particle size of the fire extinguishing base material is less than 8 mu m.
The fire extinguishing agent filled in the cylinder 11 is the cold aerosol fire extinguishing agent 10 instead of common dry powder, and the fire extinguishing base material (accounting for more than 80 percent of the mass of the fire extinguishing agent) of the cold aerosol fire extinguishing agent 10 is a high-efficiency chemical fire extinguishing material of potassium bicarbonate, potassium nitrate and other potassium salts, the average grain diameter is less than 8 mu m, and the fire extinguishing agent has the characteristics of hydrophobicity and caking resistance. Because of small particle size, the fire extinguishing agent particles have violent brownian motion, strong suspension and dispersion capacity and ultrahigh full-flooding fire extinguishing capacity of 1m 3 The total flooding fire extinguishing dosage of the closed space is less than or equal to 15g. 10300g of the cold aerosol fire extinguishing agent is filled in the fire extinguisher, and the fire extinguishing agent can extinguish nearly 20m 3 The fire in the closed space is far higher than the fire extinguishing capability of the common dry powder fire extinguisher. Meanwhile, the cold aerosol fire extinguishing agent 10 provided by the invention has wide raw material sources, and the preparation process is the same as that of the superfine dry powder fire extinguishing agent, so that the cold aerosol fire extinguishing agent can be completely prepared by a person skilled in the art.
Further, the driving gas 9 is air, and the working pressure is 0.4MPa-1.2MPa.
Further, the working pressure is preferably 0.5MPa to 0.8MPa.
As the fire extinguisher is filled with the hydrophobic and anti-caking cold aerosol fire extinguishing agent 10, the fire extinguisher can still normally spray for extinguishing fire under the drive of air, and even the lower drive pressure of 0.4MPa is enough to completely spray 300g of the filled fire extinguishing agent. The advantage of air driving is that if the driving pressure of the fire extinguisher drops, a user can use a conventional inflator to inflate the fire extinguisher to the required injection pressure by himself without going to a professional inflation mechanism for inflation or air supplement.
Further, the elastic sealing assembly comprises a valve rod 5, a spring 6 and a riser seat, wherein the valve rod 5 penetrates through the valve body 4, the valve rod 5 is connected with the valve body 4 in a sliding mode, the riser seat is fixedly connected to the bottom end of the valve body 4, a siphon 8 is fixedly connected to the bottom of the riser seat, the siphon 8 is communicated with the valve body 4 through the riser seat, the spring 6 is located in the riser seat, the bottom end of the spring 6 is fixedly connected to the top of the riser seat, and the top end of the spring 6 is fixedly connected with the bottom end of the valve rod 5.
Further, the control assembly includes that the carrying handle 3 with press 1, 3 rigid couplings of carrying handle are at 4 tops of valve body, press 1 to articulate at 4 tops of valve body, press 1 to be located the top of carrying handle 3, and press 1 to be located the top of valve rod 5, press 1 to be used for control valve rod 5, all seted up spacing hole on carrying handle 3 and the pressure 1, carry handle 3 and press 1 to peg graft through spacing hole and have safety catch 2.
Further, the monitoring assembly comprises a pressure gauge 14, the pressure gauge 14 is fixedly connected to the outer side of the valve body 4, and the pressure gauge 14 is communicated with the valve body 4.
The using method comprises the following steps: the rigid extension tube 7 is rotated upwards by 90 degrees to be straight with a fire extinguisher nozzle, the rigid extension tube is stretched to a proper length according to fire extinguishing scene requirements, then one hand holds the carrying handle 3, the other hand pulls out the safety pin 2, the handle 1 is pressed down forcibly, the handle 1 is pressed down to press the valve rod 5 to overcome the elasticity of the spring 6, a channel formed by sealing matching between a sealing structural part on the valve rod 5 and the valve body 4 is opened, and a fire extinguishing agent enters the rigid extension tube 7 through the siphon tube 8 under the action of driving gas 9 and is sprayed out from the nozzle 15 of the rigid extension tube to extinguish fire. When the fire extinguishing agent is required to be sprayed into the closed space or the semi-closed space for fire extinguishing, the nozzle 15 is inserted into a ventilation opening, a heat dissipation grid or a gap of an engine cover of the closed space for powder spraying operation.
Referring to fig. 6, when the engine compartment is on fire, the vehicle is often burned because the engine cover is burned by the fire and the gap is blown out, so that it is difficult for a person to get close to the engine cover and the engine compartment cover is difficult to open by hand. The fire extinguisher is particularly suitable for quick and safe fire extinguishing in fire scenes such as spontaneous combustion of an automobile engine compartment and the like. Usually, the driver or other personnel only need to pull out the rigid extension tube 7 of the fire extinguisher to the working state and insert the flat nozzle into the gap of the engine cover, and the fire extinguishing agent is quickly sprayed into the engine compartment according to the operation method of the fire extinguisher, so that the flame is quickly and completely extinguished. In the case of an initial engine compartment fire, it is generally sufficient to extinguish the fire in the compartment by spraying several tens of grams of the cold aerosol fire suppressant 10, ensuring vehicle and personnel safety.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. Small-size portable cold aerosol fire extinguisher with flexible spray tube, its characterized in that includes:
the cylinder body (11), the cylinder body (11) is filled with a cold aerosol fire extinguishing agent (10);
the controllable valve comprises a valve body (4), the valve body (4) is fixedly connected to the top end of the barrel body (11), a control component is mounted at the top of the valve body (4), a siphon (8) is fixedly connected to the bottom end of the valve body (4), the bottom end of the siphon (8) extends into the cold aerosol fire extinguishing agent (10), an elastic sealing component is mounted on the valve body (4) and used for controlling the elastic sealing component, an air supplementing component and a monitoring component are respectively arranged on two sides of the valve body (4), the air supplementing component and the monitoring component are both fixedly connected with the valve body (4), and the air supplementing component and the monitoring component are both communicated with the valve body (4);
the flexible nozzle pipe portion of can buckling, flexible nozzle pipe portion of can buckling with valve body (4) rigid coupling, just flexible nozzle pipe portion of can buckling with valve body (4) intercommunication.
2. The small-sized portable cold aerosol fire extinguisher with the telescopic nozzle according to claim 1, wherein: the flexible spray tube portion of can buckling includes turn joint, the flexible pipe of rigidity (7) and nozzle (15), turn joint with valve body (4) rigid coupling, just turn joint with valve body (4) intercommunication, the flexible pipe of rigidity (7) rigid coupling is in turn joint is terminal, nozzle (15) can be dismantled the connection and be in the end of the flexible pipe of rigidity (7).
3. A small portable cold aerosol fire extinguisher with a telescopic nozzle according to claim 2, wherein: the nozzle (15) comprises two forms of a thin conical nozzle and a flat nozzle.
4. A small portable cold aerosol fire extinguisher with a telescopic nozzle according to claim 1, wherein: the air supplementing assembly comprises an air supplementing nozzle (13) and a dustproof cap (12), wherein the air supplementing nozzle (13) is fixedly connected to the outer side of the valve body (4), the air supplementing nozzle (13) is communicated with the valve body (4), the air supplementing nozzle (13) is a one-way valve, and the dustproof cap (12) is sleeved on the air supplementing nozzle (13).
5. A small portable cold aerosol fire extinguisher with a telescopic nozzle according to claim 1, wherein: the fire extinguishing base material of the cold aerosol fire extinguishing agent (10) is a sylvite high-efficiency chemical fire extinguishing material, the sylvite high-efficiency chemical fire extinguishing material comprises potassium bicarbonate or potassium nitrate, and the average particle size of the fire extinguishing base material is smaller than 8 mu m.
6. The small-sized portable cold aerosol fire extinguisher with the telescopic nozzle according to claim 1, wherein: the driving gas (9) is air, and the working pressure is 0.4MPa-1.2MPa.
7. The small-sized portable cold aerosol fire extinguisher with the telescopic nozzle according to claim 1, wherein: elastic sealing component includes valve rod (5), spring (6) and riser seat, valve rod (5) run through valve body (4), just valve rod (5) with valve body (4) sliding connection, the riser seat rigid coupling is in valve body (4) bottom, siphon (8) rigid coupling is in the bottom of riser seat, siphon (8) pass through the riser seat with valve body (4) intercommunication, spring (6) are located in the riser seat, just spring (6) bottom rigid coupling is in the riser seat top, spring (6) top with valve rod (5) bottom rigid coupling.
8. The small-sized portable cold aerosol fire extinguisher with the telescopic nozzle according to claim 7, wherein: the control assembly comprises a lifting handle (3) and a pressing handle (1), wherein the lifting handle (3) is fixedly connected to the top of the valve body (4), the pressing handle (1) is hinged to the top of the valve body (4), the pressing handle (1) is located above the lifting handle (3), the pressing handle (1) is located above the valve rod (5), the pressing handle (1) is used for controlling the valve rod (5), limiting holes are formed in the lifting handle (3) and the pressing handle (1), and safety pins (2) are inserted into the limiting holes in the lifting handle (3) and the pressing handle (1).
9. A small portable cold aerosol fire extinguisher with a telescopic nozzle according to claim 1, wherein: the monitoring assembly comprises a pressure gauge (14), the pressure gauge (14) is fixedly connected to the outer side of the valve body (4), and the pressure gauge (14) is communicated with the valve body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310045433.8A CN115814310A (en) | 2023-01-30 | 2023-01-30 | Small portable cold aerosol fire extinguisher with telescopic spray pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310045433.8A CN115814310A (en) | 2023-01-30 | 2023-01-30 | Small portable cold aerosol fire extinguisher with telescopic spray pipe |
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| Publication Number | Publication Date |
|---|---|
| CN115814310A true CN115814310A (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310045433.8A Pending CN115814310A (en) | 2023-01-30 | 2023-01-30 | Small portable cold aerosol fire extinguisher with telescopic spray pipe |
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| CN (1) | CN115814310A (en) |
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