CN219614787U

CN219614787U - Shell structure of hot aerosol fire extinguisher and hot aerosol fire extinguisher

Info

Publication number: CN219614787U
Application number: CN202320151304.2U
Authority: CN
Inventors: 翟永江
Original assignee: Hebei Fulong Technology Co ltd
Current assignee: Hebei Fulong Technology Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-09-01
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of aerosol fire extinguishment and discloses a shell structure of a hot aerosol fire extinguisher and the hot aerosol fire extinguisher, which comprise a shell, a top cover arranged at the top of the shell and a bottom cover arranged at the bottom of the shell, wherein a spraying hole communicated with the inner cavity of the shell is arranged on the top cover; the shell is divided into a spraying area, a cooling area and a grain area through two groups of porous sheets, a cooling ball is arranged in the cooling area, aerosol grains are arranged in the grain area, and a temperature sensing detector connected with the aerosol grains is arranged on the bottom cover; the pore diameter of the porous sheet positioned between the spraying area and the cooling area is smaller than that of the porous sheet positioned between the cooling area and the grain so that the cooling balls are closely arranged in the cooling area; the shell of the hot aerosol fire extinguisher has a simple and compact structure, and maintains continuous high pressure in the shell during ignition, so that the combustion efficiency of the aerosol fire extinguishing agent and the cooling efficiency of the cooling balls are improved, and high-efficiency and rapid fire extinguishing is realized.

Description

Shell structure of hot aerosol fire extinguisher and hot aerosol fire extinguisher

Technical Field

The utility model relates to the technical field of aerosol fire extinguishment, in particular to a shell structure of a hot aerosol fire extinguisher and the hot aerosol fire extinguisher.

Background

The traditional fire extinguisher is generally a pressure storage type fire extinguisher, the fire extinguishing agent and the driving gas in the bottle of the pressure storage type fire extinguisher are mixed, the raw materials for preparing the bottle of the pressure storage type fire extinguisher are metal or metal alloy, and the fire extinguisher is generally heavy and is not suitable for vehicles or household use. The hot aerosol fire extinguishing technology is developed in recent years, the hot aerosol belongs to a total flooding system, and under the condition of controlling a fire source, the fire extinguishing technology is gradually and totally submerged, so that people can have enough time to evacuate and escape, and the hot aerosol fire extinguishing technology is suitable for unmanned, relatively closed and small-space places such as power transformation and distribution rooms, power generation machine rooms, cable interlayers, cable wells, cable trenches and the like, and is suitable for extinguishing fires of combustible liquids such as diesel oil (-35 # diesel oil), heavy oil, lubricating oil and the like and fires on the surfaces of combustible solid matters; the aerosol is stored in a solid state, has no volatility, can not have the problems of leakage and the like, and has a longer shelf life.

Most of the existing hot aerosol fire extinguishers are not provided with partition, such as a thermosensitive wire-initiated aerosol fire extinguisher with an authorized publication number of CN217430711U, and when cooling balls such as porcelain balls are used as a coolant, the cooling balls are loose, and continuous high pressure in the shell cannot be maintained, so that the combustion efficiency of the aerosol fire extinguishing agent is low, and the fire extinguishing effect is poor.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a shell structure of a hot aerosol fire extinguisher and the hot aerosol fire extinguisher, wherein the hot aerosol fire extinguisher adopts a zoned structure in a shell, the shell structure is simple and compact, the continuous high pressure in the shell is kept during ignition, the combustion efficiency of the aerosol fire extinguishing agent and the cooling efficiency of a cooling ball are improved, and high-efficiency and rapid fire extinguishing is realized.

In order to achieve the above object, the present utility model provides the following technical solutions:

a shell structure of a hot aerosol fire extinguisher comprises a shell, a top cover arranged at the top of the shell and a bottom cover arranged at the bottom of the shell, wherein a spraying hole communicated with the inner cavity of the shell is arranged on the top cover; the shell is divided into a spraying area, a cooling area and a grain area through two groups of porous sheets, a cooling ball is arranged in the cooling area, aerosol grains are arranged in the grain area, and a temperature sensing detector connected with the aerosol grains is arranged on the bottom cover; and the pore diameter of the porous sheet positioned between the spraying area and the cooling area is smaller than that of the porous sheet positioned between the cooling area and the grain, so that the cooling balls are closely arranged in the cooling area, and the continuous high pressure in the shell is kept during ignition, thereby improving the combustion efficiency of the aerosol fire extinguishing agent and the cooling efficiency of the cooling balls.

Preferably, a porous buffer disc is arranged in the cooling zone facing the cooling ball, a buffer zone is formed between the porous buffer disc and a porous sheet positioned between the spraying zone and the cooling zone, and the pore diameters of the two groups of porous sheets and the porous buffer disc are smaller than the diameter of the cooling ball.

Preferably, buffer cladding parts are arranged in the shell between the two groups of porous sheets and between the porous sheets and the bottom cover in the spraying area and the cooling area so as to limit and buffer and protect the cooling balls and the aerosol grains respectively.

Preferably, a positioning ring is arranged between the porous sheet and the aerosol grain in the spraying area and the cooling area so as to limit the spraying direction of the aerosol grain.

Preferably, the positioning ring is sleeved outside the positioning spring, and the positioning spring abuts against the porous sheet and the cooling ball so as to buffer and prevent the positioning ring from shifting.

Preferably, a fixing frame is arranged outside the shell.

The hot aerosol fire extinguisher comprises the shell structure.

Compared with the prior art, the utility model has the beneficial effects that:

the hot aerosol fire extinguisher adopts a zoned structure in the shell, the shell is sequentially divided into the spraying zone, the cooling zone and the grain zone, the structure is simple and compact, the continuous high pressure in the shell is kept during ignition, the starting mode is efficient, the combustion efficiency of the aerosol fire extinguisher and the cooling efficiency of the cooling balls are improved, and high-efficiency and rapid fire extinguishing is realized.

Drawings

Fig. 1 is a sectional view of a housing structure of the present hot aerosol fire extinguisher.

Fig. 2 is a schematic structural view of the present hot aerosol fire extinguisher.

Fig. 3 is a front view of the present hot aerosol fire suppression apparatus.

FIG. 4 is a top view of the present aerosol fire suppression apparatus

In the accompanying drawings: 1-shell, 2-top cover, 21-eruption hole, 3-bottom cover, 4-porous piece, 5-eruption district, 6-cooling zone, 7-grain district, 8-porous buffer dish, 9-buffering cladding, 10-retainer plate, 11-positioning spring, 12-mount.

Detailed Description

Example 1: the preferred embodiment of the utility model provides a shell structure of a hot aerosol fire extinguisher, which comprises a shell 1, a top cover 2 arranged at the top of the shell 1 and a bottom cover 3 arranged at the bottom of the shell 1, wherein a spraying hole 21 communicated with the inner cavity of the shell 1 is arranged on the top cover 2; the shell 1 is divided into a spraying area 5, a cooling area 6 and a grain area 7 through two groups of porous sheets 4, a cooling ball is arranged in the cooling area 6, aerosol grains are arranged in the grain area 7, and a temperature sensing detector connected with the aerosol grains is arranged on the bottom cover 3; and the pore diameter of the porous sheet 4 positioned between the spraying area 5 and the cooling area 6 is smaller than that of the porous sheet 4 positioned between the cooling area 6 and the grain area 7, so that cooling balls are closely arranged in the cooling area 6, occupy a large amount of space in the cooling area 6, ensure that only a limited gas passing space is arranged in the cooling area 6, simultaneously spray out to reduce the pore diameter, ensure that the inside of the shell 1 keeps high pressure continuously, improve the combustion efficiency of the aerosol fire extinguishing agent and the cooling efficiency of the cooling balls, and realize high-efficiency and rapid fire extinguishing.

The aerosol fire extinguishing agent in the aerosol grain is ignited by the lead wire to generate a large amount of inert gas, water vapor and aerosol particles, the dense aerosol particles provide a large surface reaction area and take away the carrier OH required by the combustion chain ^- And H ⁺ The combustion cannot be continued, so that the effect of rapidly extinguishing fire is achieved.

The temperature-sensitive detector receives the heat-sensitive source or the open fire signal and then fires the triggering agent in the aerosol grain, so as to start the aerosol grain, the aerosol fire extinguishing agent burns to generate high-pressure gas and aerosol colloidal particles, the high-pressure gas carries the aerosol colloidal particles to diffuse, the high-pressure gas is cooled by the cooling ball and is sprayed out from the top cover 2 under high pressure, the whole structure is simple and compact, the starting mode is efficient, and the quick fire extinguishing is realized.

Example 2: a preferred embodiment of the present utility model provides a shell structure of a hot aerosol fire extinguisher, which is different from the above embodiment only in that: the cooling zone 6 is internally provided with a porous buffer disc 8 facing the cooling ball, a buffer zone is formed between the porous buffer disc 8 and the porous sheets 4 positioned between the spraying zone 5 and the cooling zone 6, and the pore diameters of the two groups of porous sheets 4 and the porous buffer disc 8 are smaller than the diameter of the cooling ball.

Example 3: a preferred embodiment of the present utility model provides a shell structure of a hot aerosol fire extinguisher, which is different from the above embodiment only in that: buffer cladding pieces 9 are respectively arranged between the two groups of porous pieces 4 and between the porous pieces 4 and the bottom cover 3 between the spraying area 5 and the cooling area 6 in the shell 1 so as to limit and buffer and protect the cooling balls and the aerosol grains respectively.

Example 4: a preferred embodiment of the present utility model provides a shell structure of a hot aerosol fire extinguisher, which is different from the above embodiment only in that: a positioning ring 10 is arranged between the porous sheet 4 and the aerosol grain and positioned between the spraying area 5 and the cooling area 6 so as to limit the spraying direction of the aerosol grain; the positioning ring 10 is sleeved outside the positioning spring 11, the positioning spring 11 abuts against the porous sheet 4 and the cooling ball to buffer and prevent the positioning ring 10 from shifting, and a large amount of inert gas, water vapor and aerosol colloidal particles generated by the aerosol fire extinguishing agent are directly led into the cooling ball to be cooled, so that the cooling efficiency is improved.

Example 5: a preferred embodiment of the present utility model provides a hot aerosol fire extinguisher, which comprises the housing structures in embodiments 1-4, and the housing 1 is further provided with a fixing frame 12, so as to facilitate the installation and placement of the fire extinguisher, and the fire extinguisher can be placed horizontally or vertically.

Claims

1. The shell structure of the hot aerosol fire extinguisher is characterized by comprising a shell (1), a top cover (2) arranged at the top of the shell (1) and a bottom cover (3) arranged at the bottom of the shell (1), wherein the top cover (2) is provided with a spraying hole (21) communicated with the inner cavity of the shell (1); the shell (1) is divided into a spraying area (5), a cooling area (6) and a grain area (7) through two groups of porous sheets (4), a cooling ball is arranged in the cooling area (6), an aerosol grain is arranged in the grain area (7), and a temperature sensing detector connected with the aerosol grain is arranged on the bottom cover (3); and the pore diameter of the porous sheet (4) positioned between the spraying area (5) and the cooling area (6) is smaller than that of the porous sheet (4) positioned between the cooling area (6) and the grain area (7), so that the cooling balls are closely arranged in the cooling area (6), and the continuous high pressure in the shell (1) is kept during ignition, thereby improving the combustion efficiency of the aerosol fire extinguishing agent and the cooling efficiency of the cooling balls.

2. The shell structure of the hot aerosol fire extinguisher according to claim 1, wherein a porous buffer disc (8) is arranged inside the cooling zone (6) facing the cooling ball, a buffer zone is formed between the porous buffer disc (8) and the porous sheets (4) positioned between the spraying zone (5) and the cooling zone (6), and the pore diameters of the two groups of porous sheets (4) and the porous buffer disc (8) are smaller than the diameter of the cooling ball.

3. The shell structure of the hot aerosol fire extinguisher according to claim 1, wherein the inside of the shell (1) is provided with buffer cladding parts (9) between the two groups of porous sheets (4), between the porous sheets (4) between the spraying area (5) and the cooling area (6) and the bottom cover (3) so as to limit and buffer and protect the cooling balls and the aerosol grains respectively.

4. A housing structure of a hot aerosol fire extinguisher according to claim 2, characterized in that a positioning ring (10) is provided between the porous sheet (4) and the aerosol cartridge between the spraying zone (5) and the cooling zone (6) to define the aerosol cartridge spraying direction.

5. A shell structure of a hot aerosol fire extinguisher according to claim 3, wherein the positioning ring (10) is sleeved outside the positioning spring (11), and the positioning spring (11) abuts against the porous sheet (4) and the cooling balls to buffer and prevent the positioning ring (10) from deviating.

6. The shell structure of a hot aerosol fire extinguisher according to claim 1, characterized in that a fixing frame (12) is further provided outside the shell (1).

7. A hot aerosol fire extinguisher comprising a housing structure according to any one of claims 1 to 6.