CN212428919U - Air curtain air water spraying device - Google Patents

Abstract

The utility model discloses an air curtain air water atomizer, which comprises a housin, be provided with compressed gas in the left side of casing and insert the mouth, be provided with branch aerofoil at the middle part of casing, the left side of dividing the aerofoil is the compressed gas buffer region, the right side middle part of dividing the aerofoil is provided with the division board of tube-shape, divide the aerofoil middle part to be provided with branch aerofoil center wind gap with the inboard corresponding position of division board, divide the aerofoil to be provided with a plurality of branch aerofoil annular wind gaps with the corresponding position in the division board outside, be provided with the air curtain spout in the right side edge circumference of casing, be provided with the air water spraying export on the right side of casing, be provided with the choke in the inboard of division board, be provided with the water smoke shower nozzle in the exit of choke, the water smoke shower nozzle passes through water smoke shower nozzle. The utility model discloses it is small, easy to assemble, the water consumption is low, because of the conflagration effect in having improved the restricted space prevention, especially to narrow and small, irregular restricted space's separation leak out, cooling and put out a fire.

Description

Air curtain air water spraying device

Technical Field

The utility model belongs to the technical field of the mine fire control, concretely relates to air curtain air water atomizer for block ventilation, water smoke fire prevention to colliery stope income wind corner.

Background

The coal mine stope goaf has great harmfulness and harmfulness after fire disaster, can threaten the safety of property and life, and the stope entrance corner is an air leakage source point of the goaf and is a key position for taking measures for destroying spontaneous combustion ignition elements. Generally, the periphery of the space has better sealing limitation, but the irregularity of the space is difficult to seal and block the wind source by adopting masonry construction, and particularly, the space cannot be dynamically sealed in time during normal production.

In order to solve the problems, a simple and convenient air curtain air water spraying device needs to be manufactured to block the oxygen supply amount of a combustion area, pneumatically carry and convey water mist and cover the surface of a combustion object with fine water mist for cooling, so that the effect of preventing fire in a goaf is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an air curtain air water atomizer to solve the problem among the prior art.

The utility model discloses a realize through following technical scheme: the utility model provides an air curtain air water atomizer which characterized in that: including fixing the casing at the ceiling, be provided with compressed gas and insert the mouth in the left side of casing, be provided with the minute aerofoil at the middle part of casing, the left side of minute aerofoil is the compressed gas buffer zone, the right side middle part of minute aerofoil is provided with the division board of tube-shape, divide the aerofoil middle part and be provided with minute aerofoil center wind gap with the inboard corresponding position of division board, divide the aerofoil and be provided with a plurality of minute aerofoil annular wind gaps with the outside corresponding position of division board, be provided with the air curtain spout in the right side edge circumference of casing, be provided with the air water spraying export on the right side of casing, be provided with the choke in the inboard of division board, be provided with the water smoke shower nozzle in the exit of choke, the water smoke shower nozzle passes through water smoke shower nozzle connecting.

Further: the shell and the partition plate are both in a hollow cylindrical shape and are coaxially arranged.

The utility model has the advantages that: the utility model discloses small, strong adaptability can be easy to assemble, and the water consumption is low, efficient, has improved because of the conflagration effect in this limited space's the prevention, especially leaks out, cools down and put out a fire narrow and small, irregular limited space's separation, and the range of application is wide. The pneumatic water mist conveying is realized, the unidirectional flowability of water is overcome, the dispersion range of the air water mist under the pneumatic conveying is large, the pneumatic water mist conveying device can be used for prevention, and can also be directly used for fire extinguishing in a combustion area, so that the cooling, the oxygen supply isolation and the fire extinguishing effects are realized. After the combustible cooling in the limited space and the limited oxygen supply in the space, the function of fire protection combination is achieved.

Drawings

FIG. 1 is a schematic view of an air curtain air water spraying device;

fig. 2 is a schematic structural view of the air distribution plate.

The sequence numbers in the figures illustrate: 1. the device comprises a compressed gas inlet, a compressed gas buffer area, an air distribution plate, an air curtain nozzle, a throat pipe, a water spray nozzle, a gas-water spray outlet, a water inlet, a water spray nozzle connecting pipe, a shell, a partition plate, an air distribution plate annular air opening, and an air distribution plate central air opening, wherein the compressed gas inlet is 2, the compressed gas buffer area is 3, the air distribution plate is 4, the air curtain nozzle is 5, the throat pipe is 6, the water spray nozzle is 7, the gas-water spray outlet is 8.

Detailed Description

As shown in fig. 1-2, the air curtain air-water spraying device of the present invention comprises a casing 10, which is generally hollow cylinder shaped and fixed on the ceiling through a bracket, etc.; a compressed gas inlet 1 is arranged at the left side of the shell and is connected with a high-pressure inert gas storage tank, such as high-pressure nitrogen and the like; the middle part of the shell is provided with an air distribution plate 3, the inner space of the shell is divided into a left part and a right part, the left side of the air distribution plate is a compressed gas buffer area 2, the middle part of the right side of the air distribution plate is provided with a cylindrical separation plate 11, the inner side of the separation plate is provided with a throat pipe 5, the inner part of the separation plate cylinder is divided into a gas-water spraying area, and the outer side of the separation plate, namely, the interlayer part between the separation plate and the shell is; the middle part of the air dividing plate is provided with an air dividing plate central air port 13 at a position corresponding to the inner side of the partition plate, a plurality of air dividing plate annular air ports 12 are arranged at equal angles at positions corresponding to the outer side of the partition plate, and the incoming air is dispersed to different functional areas through the air dividing plate; the air curtain nozzles 4 are circumferentially arranged at the edge of the right side of the shell and used for forming a blocking air curtain; the right side of the shell is provided with an air-water spraying outlet 7, the outlet of the throat pipe is provided with a water mist nozzle 6, the water mist nozzle is connected with a water mist nozzle connecting pipe 9 with a water access opening 8, and the water mist nozzle connecting pipe of the water mist nozzle is fixed on the outer side of the shell in a support or a fixture or other modes.

Preferably: the shell and the partition plate are both in a hollow cylindrical shape and are coaxially arranged.

Preferably: the direction of the air curtain nozzle is radial outward or inclined outward, so that the air curtain is in a plane or slightly conical shape; the air curtain spout can set up at intervals as far as possible a plurality ofly, also can be holistic annular opening, can be provided with a plurality of fixed muscle in air curtain spout department, and the interval sets up, fixed casing lateral part and casing cylinder part to improve holistic intensity.

Preferably: the screen plate is arranged in the compressed gas buffer area and is parallel to the air dividing plates, so that gas entering the compressed gas buffer area from the compressed gas inlet becomes stable and is distributed to the annular air ports of the air dividing plates as evenly as possible, and an air curtain formed at the air curtain nozzle is stable.

It should be noted that in the scheme, the connection relationship among the parts can be selected from the modes of screwing, welding or integral forming and the like; in this embodiment, "up", "down", "left", "right", and the like, which indicate directions, are merely examples of directions in fig. 1, and are for convenience of explaining a specific configuration of this embodiment, and since this configuration direction naturally changes when it changes, this configuration direction is not limited to this embodiment.

The utility model discloses installation and the working process of structure as follows: the air curtain air-water spraying device is fixed on a ceiling by using a fixture, a compressed air inlet 1 and a water inlet 8 are well butted, and an air-water spraying outlet 7 is aligned to a high-risk area for standby. When a fire disaster occurs or hidden danger exists, the compressed gas pipeline control valve is opened firstly, and then the water supply pipeline control valve is opened, so that the compressed gas pipeline control valve works. Compressed gas enters the compressed gas buffer tank 2 and then is supplied to the air curtain nozzle 4 through the annular air opening 12 of the air distribution plate to form an air curtain for blocking oxygen supply air flow in a fire area of a limited space. The compressed gas enters the compressed gas buffer tank 2 and then is supplied to the throat pipe 5 through the central air opening 13 of the air distribution plate. After fire water enters a water mist nozzle connecting pipe 9 through a water access port, water mist is generated through a water mist nozzle 6 and sprayed to a throat pipe 5, gas and water mist under pressure collide and are mixed in the throat pipe 5, and compressed air drives the water mist to be sprayed to a combustion area, so that fire extinguishing and fire preventing effects are achieved by blocking oxygen supply air flow to flow into the combustion area and cooling and covering a comburent. After fire extinguishing, the water supply pipeline control valve is closed first, and then the compressed gas pipeline control valve is closed. The device reverts to the standby state. The direction of the arrows in fig. 1 represents the gas travel direction.

The utility model discloses small, strong adaptability can be easy to assemble, and the water consumption is low, efficient, has improved because of the conflagration effect in this limited space's the prevention, especially leaks out, cools down and put out a fire narrow and small, irregular limited space's separation, and the range of application is wide. The pneumatic water mist conveying is realized, the unidirectional flowability of water is overcome, the dispersion range of the air water mist under the pneumatic conveying is large, the pneumatic water mist conveying device can be used for prevention, and can also be directly used for fire extinguishing in a combustion area, so that the cooling, the oxygen supply isolation and the fire extinguishing effects are realized. After the combustible cooling in the limited space and the limited oxygen supply in the space, the function of fire protection combination is achieved.

Claims (2)

1. The utility model provides an air curtain air water atomizer which characterized in that: including fixing the casing at the ceiling, be provided with compressed gas and insert the mouth in the left side of casing, be provided with the minute aerofoil at the middle part of casing, the left side of minute aerofoil is the compressed gas buffer zone, the right side middle part of minute aerofoil is provided with the division board of tube-shape, divide the aerofoil middle part and be provided with minute aerofoil center wind gap with the inboard corresponding position of division board, divide the aerofoil and be provided with a plurality of minute aerofoil annular wind gaps with the outside corresponding position of division board, be provided with the air curtain spout in the right side edge circumference of casing, be provided with the air water spraying export on the right side of casing, be provided with the choke in the inboard of division board, be provided with the water smoke shower nozzle in the exit of choke, the water smoke shower nozzle passes through water smoke shower nozzle connecting.

2. The air curtain air water spraying device of claim 1, which is characterized in that: the shell and the partition plate are both in a hollow cylindrical shape and are coaxially arranged.

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