CN212898581U

CN212898581U - Mining roadway explosion suppressor

Info

Publication number: CN212898581U
Application number: CN202020997960.0U
Authority: CN
Inventors: 赵蛟武; 王海涛; 刘瑞吉
Original assignee: Shanxi Yian Kuangtong Technology Co ltd
Current assignee: Shanxi Yian Kuangtong Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-04-06
Anticipated expiration: 2030-06-03

Abstract

The utility model relates to a mine tunnel explosion suppressor, which comprises a base, a fire extinguishing dry powder barrel, a spray head and a flame arrester; the flame arrester is arranged on the base; one end of the fire extinguishing dry powder barrel is connected with the base, and the other end of the fire extinguishing dry powder barrel is provided with a spray head through a copper foil; vortex blades are arranged in the fire extinguishing dry powder barrel corresponding to a high-pressure gas outlet of the flame arrester; the flame arrester is covered with a uniform-release air bag; a plurality of air holes are uniformly distributed on the uniform-release air bag. The utility model has the advantages of small, capacious, powder spray are efficient, the fog effect is good, can realize starting explosion suppression ware function in the twinkling of an eye, and flammable explosive gas such as gas in the coal mine tunnel, dust suppresses explosion.

Description

Mining roadway explosion suppressor

Technical Field

The utility model relates to an explosion suppressor, in particular to mining tunnel explosion suppressor.

Background

In coal mines, the roadway is one of the sites where coal mining personnel and large coal mining equipment work and produce, however, the coal mine roadway is filled with a large amount of gas and combustible and explosive dust, and the roadway is the site most prone to cause gas and dust explosion. Therefore, the suppression of the explosion of gas and flammable and combustible dust in coal mines is the suppression of the gas dust explosion in coal mine tunnels.

When construction workers use the gas in a roadway of a mine field, the gas needs to be subjected to explosion suppression treatment, so that an explosion suppression device needs to be used, however, the explosion suppression effect of the traditional explosion suppression device is poor, most of the explosion suppression devices are simple and easy to set, meanwhile, fire extinguishing operation can not be carried out at the first time of gas explosion, and the body safety of the construction workers is reduced.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, providing a mining tunnel explosion suppression ware small, capacious, the efficient and fog effect that dusts.

Realize the utility model discloses the technical scheme of purpose is: a mine roadway explosion suppressor is provided with a base, a fire extinguishing dry powder barrel, a spray head and a flame arrester; the flame arrester is arranged on the base; one end of the fire extinguishing dry powder barrel is connected with the base, and the other end of the fire extinguishing dry powder barrel is provided with a spray head through a copper foil; vortex blades are arranged in the fire extinguishing dry powder barrel corresponding to a high-pressure gas outlet of the flame arrester; the flame arrester is covered with a uniform-release air bag; a plurality of air holes are uniformly distributed on the uniform-release air bag.

The spray head comprises a spiral spray nozzle and a scattering nozzle; the scattering nozzles are arranged around the spiral spray nozzles and are all obliquely arranged; the spiral spray nozzle comprises a spray opening with a through hole and a spiral blade, wherein the end surface of the spray opening is arc-shaped; the outer edge of the spiral blade is fixed with the inner wall of the spiral spray nozzle.

The flame arrester comprises an igniter, a flame arresting shell and a gas generation chamber; the circumferential surface of the lower end of the flame-extinguishing shell is provided with small flow guide holes.

The outer surface of the flow guide small hole is attached with a flame-retardant membrane.

In the technical scheme, a starter is inserted in a position, corresponding to an igniter of the flame arrester, on the base; a shock wave receiving plate is arranged above the starter; one end of the shock wave receiving plate is in contact with the initiator.

According to the technical scheme, the outer side of the base is detachably provided with the limiting cover which is sleeved on the starter.

According to the technical scheme, the spray head is connected with the fire extinguishing dry powder barrel through the sealing ring and the fastening piece.

According to the technical scheme, a powder leakage detector is further installed between the spray head and the fire extinguishing dry powder barrel.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model has the advantages of small, capacious, powder spray are efficient, the fog effect is good, can realize starting explosion suppression ware function in the twinkling of an eye, and flammable explosive gas such as gas in the coal mine tunnel, dust suppresses explosion.

(2) The utility model discloses with the fine combination of direct current air current and cyclone air current, the effective area of coverage of the fog after dusting is big, the fog duration is long.

(3) The utility model discloses an keep apart gas generator and superfine dry powder, avoid superfine dry powder pollution gas generator, gas generator is last to have many hole sites, is sealed by the diaphragm, when having pressure in the gas buffer, can break through the diaphragm in the twinkling of an eye promptly.

(4) The utility model discloses when the emergence is exploded, produced explosion impact can trigger the shock wave dash receiver for the shock wave dash receiver is with the starter down-pressure, and the starter realizes switching on the ignition with some firearm contact, and flame arrester produces a large amount of gases, breaks through fire-retardant diaphragm in the twinkling of an eye, and the dry powder of putting out a fire in the dry powder bucket that will put out a fire outwards sprays, and forms the air curtain, prevents the explosion propagation from the shower nozzle blowout.

(5) The utility model discloses a leak powder detector accessible continuous flashing's pilot lamp report to the police, or be connected with total accuse room through PC communication interface, alleviateed patrolling and examining personnel's intensity of labour greatly.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the flame arrester of the present invention.

Detailed Description

(example 1)

Referring to fig. 1 and 2, the utility model comprises a base 1, a fire extinguishing dry powder barrel 2, a spray head and a flame arrester 9; the base 1 is provided with a flame arrester 9; one end of the fire extinguishing dry powder barrel 2 is connected with the base 1, and the other end is provided with a spray head through a copper foil 3; a vortex blade 6 is arranged in the fire extinguishing dry powder barrel 2 corresponding to the high-pressure gas outlet of the flame arrester 9; the flame arrester 9 is covered with a uniform air release bag 7; a plurality of air holes are uniformly distributed on the uniform-release air bag 7; a powder leakage detector is also arranged between the spray head and the fire extinguishing dry powder barrel 2, and the spray head is connected with the fire extinguishing dry powder barrel 2 through a sealing ring and a fastening piece.

Wherein, the spray head comprises a spiral spray nozzle 4 and a scattering nozzle 5; the scattering nozzles 5 are arranged around the spiral spray nozzle 4, and the scattering nozzles 5 are all obliquely arranged; the spiral spray nozzle 4 comprises a spray opening with a through hole and a spiral blade 8, wherein the end surface of the spray opening is arc-shaped; the outer edge of the spiral blade 8 is fixed to the inner wall of the spiral jet nozzle 4.

The flame arrester 9 comprises an igniter 12, a flame arresting housing 13 and a gas generating chamber 14; a small flow guide hole 15 is formed on the circumferential surface of the lower end of the flame-extinguishing shell 13; the outer surface of the small flow guide hole 15 is attached with a flame-retardant membrane 16. A starter 10 is inserted in the position of the igniter 12 of the flame arrester on the base 1; a shock wave receiving plate 11 is arranged above the starter 10; one end of the shock wave receiving plate 11 is in contact with the starter 10; the outer side of the base 1 is detachably provided with a limit cover 17 sleeved on the starter 10.

The utility model discloses a theory of operation does: when explosion happens, the generated explosion impact can trigger the shock wave receiving plate 11, so that the shock wave receiving plate 11 presses the starter 10 downwards, the starter 10 is in contact with the igniter 12 to realize conduction ignition, the flame arrester 9 generates a large amount of gas to instantaneously break the flame-retardant membrane 16, the gas sprays the fire extinguishing dry powder in the fire extinguishing dry powder barrel 2 outwards, and the gas is sprayed from the spray head to form an air curtain to prevent explosion propagation.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A mine roadway explosion suppressor is provided with a base (1), a fire extinguishing dry powder barrel (2), a spray head and a flame arrester (9); a flame arrester (9) is arranged on the base (1); one end of the fire extinguishing dry powder barrel (2) is connected with the base (1), and the other end of the fire extinguishing dry powder barrel is provided with a spray head through a copper foil (3); the method is characterized in that: a vortex blade (6) is arranged in the fire extinguishing dry powder barrel (2) corresponding to a high-pressure gas outlet of the flame arrester (9); the flame arrester (9) is covered with a uniform-release air bag (7); a plurality of air holes are uniformly distributed on the uniform-release air bag (7).

2. The mining roadway explosion suppressor of claim 1, characterized in that: the spray head comprises a spiral spray nozzle (4) and a scattering nozzle (5); the scattering nozzles (5) are arranged around the spiral spray nozzle (4), and the scattering nozzles (5) are obliquely arranged; the spiral spray nozzle (4) comprises a spray opening with a through hole and a spiral blade (8), wherein the end surface of the spray opening is arc-shaped; the outer edge of the spiral blade (8) is fixed with the inner wall of the spiral spray nozzle (4).

3. The mining roadway explosion suppressor of claim 2, characterized in that: the flame arrester (9) comprises an igniter (12), a flame arresting shell (13) and a gas generation chamber (14); the circumferential surface of the lower end of the flame-extinguishing shell (13) is provided with small flow guide holes (15).

4. The mining roadway explosion suppressor of claim 3, characterized in that: and a flame-retardant membrane (16) is attached to the outer surface of the small flow guide hole (15).

5. The mining roadway explosion suppressor of claim 3 or 4, characterized in that: a starter (10) is inserted in the position, corresponding to the igniter (12) of the flame arrester, on the base (1); a shock wave receiving plate (11) is arranged above the starter (10); one end of the shock wave receiving plate (11) is in contact with the starter (10).

6. The mining roadway explosion suppressor of claim 5, characterized in that: the outer side of the base (1) is detachably provided with a limit cover (17) which is sleeved on the starter (10).

7. The mining roadway explosion suppressor of claim 5, characterized in that: the spray head is connected with the fire extinguishing dry powder barrel (2) through a sealing ring and a fastening piece.

8. The mining roadway explosion suppressor of claim 7, characterized in that: and a powder leakage detector is also arranged between the spray head and the fire extinguishing dry powder barrel (2).