阅读说明：本技术 一种煤矿井下用自增水压式气水射流除尘器 (Self-pressurizing water pressure type air-water jet dust remover used in underground coal mine ) 是由 李波 吴自强 刘海峰 杨志强 王贺举 刘晓博 于 2021-10-09 设计创作，主要内容包括：本发明提供一种煤矿井下用自增水压式气水射流除尘器,属于矿井内除尘技术领域,包括箱体,箱体的内部由左至右设置有第一隔板和第二隔板,第一隔板和第二隔板将箱体的内腔由左至右分隔成排渣舱室、蓄水舱室和设备舱室,箱体的内部设置有除尘管道,除尘管道的左端与排渣舱室相连通,除尘管道的右端伸出箱体且设置有气水射流器,设备舱室内设置有为气水射流器侧面的进水端提供高压水源的增压设备；本发明能够在粉尘收集管道内压力不大的情况下,通过增压设备把水增至一定的压力并结合气水射流器的高压气体形成高速运动的水雾,高速运动的水雾在除尘管道内形成负压将粉尘收集管道内的粉尘吸入并与水雾结合沉降,从而达到良好的降尘效果。(The invention provides a self-pressurizing water pressure type air-water jet dust remover used in a coal mine, which belongs to the technical field of dust removal in the mine and comprises a box body, wherein a first partition plate and a second partition plate are arranged in the box body from left to right, the first partition plate and the second partition plate divide an inner cavity of the box body from left to right into a slag discharge cabin, a water storage cabin and an equipment cabin, a dust removal pipeline is arranged in the box body, the left end of the dust removal pipeline is communicated with the slag discharge cabin, the right end of the dust removal pipeline extends out of the box body and is provided with an air-water jet device, and a pressurizing device for providing a high-pressure water source for a water inlet end on the side surface of the air-water jet device is arranged in the equipment cabin; the dust collection device can increase water to a certain pressure through the supercharging equipment under the condition that the pressure in the dust collection pipeline is not large, and high-speed moving water mist is formed by combining high-pressure gas of the gas-water ejector, and negative pressure is formed in the dust collection pipeline by the high-speed moving water mist, so that dust in the dust collection pipeline is sucked in and is combined with the water mist for settlement, and a good dust fall effect is achieved.)

1. The utility model provides a colliery is with pressure boost water pressure formula air water efflux dust remover in pit which characterized in that: comprises a box body (1), a first clapboard (2) and a second clapboard (3) are arranged inside the box body (1) from left to right, the first partition board (2) and the second partition board (3) divide the inner cavity of the box body (1) into a slag discharge cabin (4), a water storage cabin (5) and an equipment cabin (6) from left to right, a dust removal pipeline is arranged in the box body (1), the left end of the dust removal pipeline is communicated with the slag discharge cabin (4), the right end of the dust removal pipeline extends out of the box body (1) and is provided with a gas-water ejector (7), the air inlet at the rear end of the air-water ejector (7) is communicated with a high-pressure air source, the air inlet end of the dust removal pipeline is communicated with a dust collection pipeline under a coal mine, and a supercharging device (8) which provides a high-pressure water source for the water inlet end on the side surface of the gas-water ejector (7) is arranged in the equipment cabin (6).

2. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine as claimed in claim 1, is characterized in that: supercharging equipment (8) adopts the booster pump, the end of intaking of booster pump pass through the pipeline with reservoir chamber (5) are linked together, the play water end of booster pump does the end of intaking to the side of gas water ejector (7) provides high-pressure water pressure.

3. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine as claimed in claim 2, wherein: the dust removal pipeline is including setting up first body (14) on box (1), the left end of first body (14) with box (1) inside is linked together, the right-hand member intercommunication of first body (14) is provided with air water collision room (13) of flaring shape, the outer end intercommunication of air water collision room (13) is provided with air water ejector (7), the left end intercommunication of first body (14) is provided with second body (15), the left end of second body (15) with arrange sediment cabin (4) and be linked together.

4. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine as claimed in claim 3, wherein: the second pipe body (15) is in a horn shape with an outlet wider than an inlet.

5. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine as claimed in claim 2, wherein: and a slag cleaning cabin door (16) is rotatably arranged on the left side surface of the slag discharging cabin (4).

6. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine as claimed in claim 5, wherein: the upper part of the outer side of the slag removal cabin door (16) is provided with a first handle (17).

7. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine as claimed in claim 2, wherein: the top of the water storage cabin (5) is provided with a water inlet (18).

8. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine as claimed in claim 2, wherein: and a water outlet (19) is arranged at the bottom of the water storage cabin (5).

9. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine as claimed in claim 3, wherein: the upper part of the first pipe body (14) is provided with a mounting seat (20).

10. The self-pressurizing water-pressure type gas-water jet dust remover used in the underground coal mine according to any one of claims 1 to 8, which is characterized in that: the bottom of the box body (1) is provided with a bottom support (11).

Technical Field

The invention relates to the technical field of dust removal in mines, in particular to a self-pressurizing water pressure type gas-water jet dust remover for underground coal mines.

Background

At present, the colliery is on-the-spot is administered to the colliery underworkings gas, the dust is very big when the rig is bored in this coal seam, the miner's operation environment is abominable, influence health, for reducing dust pollution, they can install the shower nozzle dust fall to the cooling water of rig, but the effect can not obtain very big improvement, be this coal seam at the person's condition and usually be the static pressure water, pressure is little, the shower nozzle can not exert its due effect, the gas water efflux dust remover of present use in the pit has certain requirement to water pressure, water pressure also can not obtain fine effect when not enough.

At present, all gas water jet dust collectors on the market remove dust and work all need satisfy wind pressure and hydraulic requirement, and the two is lacked one can, but this coal seam wind pressure satisfies and can't not satisfy under the water pressure normal condition, takes out the dirt that enters and can't obtain fine dilution, discharges along with the slag notch again to wind can't obtain the neutralization of water smoke, can blow the dust on ground on the contrary, can not play the dust fall effect.

Therefore, it is necessary to develop a new air-water jet dust remover.

Disclosure of Invention

In view of the above, the invention provides a self-pressurizing water pressure type air-water jet dust remover for an underground coal mine, which can increase water to a certain pressure through a pressurizing device under the condition that the pressure in a dust collecting pipeline is not large and form high-speed moving water mist by combining with high-pressure gas of an air-water jet device, wherein the high-speed moving water mist forms negative pressure in the dust collecting pipeline to suck dust in the dust collecting pipeline and combine with the water mist for settlement, so that a good dust settling effect is achieved.

In order to solve the technical problem, the invention provides a self-pressurizing water pressure type air-water jet dust remover for a coal mine underground, which comprises a box body, wherein a first partition plate and a second partition plate are arranged in the box body from left to right, the inner cavity of the box body is divided into a slag discharge cabin, a water storage cabin and an equipment cabin by the first partition plate and the second partition plate from left to right, a dust removal pipeline is arranged in the box body, the left end of the dust removal pipeline is communicated with the slag discharge cabin, the right end of the dust removal pipeline extends out of the box body and is provided with an air-water jet device, an air inlet at the rear end of the air-water jet device is communicated with a high-pressure air source, an air inlet end of the dust removal pipeline is communicated with a dust collection pipeline in the coal mine underground, and a pressurizing device for providing a high-pressure water source for a water inlet end on the side surface of the air-water jet device is arranged in the equipment cabin.

Further, supercharging equipment adopts the booster pump, the end of intaking of booster pump pass through the pipeline with the reservoir is linked together, the play water end of booster pump does the end of intaking to the side of the gas water ejector provides high-pressure water pressure.

Further, the dust removal pipeline is including setting up first body on the box, the left end of first body with the box is inside to be linked together, the right-hand member intercommunication of first body is provided with the air water collision room of flaring shape, the outer end intercommunication of air water collision room is provided with the air water ejector, the left end intercommunication of first body is provided with the second body, the left end of second body with arrange the sediment cabin and be linked together.

Further, the second pipe body is in a horn shape with an outlet wider than an inlet.

Furthermore, a slag removal cabin door is rotatably arranged on the left side surface of the slag discharge cabin.

Furthermore, a first handle is arranged on the upper part of the outer side of the slag removal cabin door.

Further, a water inlet is formed in the top of the water storage cabin.

Further, a water outlet is arranged at the bottom of the water storage cabin.

Further, the upper portion of first body is provided with the mount pad.

Further, a protective cover is installed on the installation seat.

Further, a second handle is arranged on the box body.

Further, the bottom of box is provided with the bottom support.

Further, the cross-sectional shape of the first partition plate is L-shaped.

Further, an equipment cabin door is installed on the equipment cabin.

The technical scheme of the invention has the following beneficial effects:

1. the invention integrates a dust removal pipeline, a slag discharge cabin, a water storage cabin, an equipment cabin, an air-water ejector, a pressurizing device, a tank body and the like on the box body, and has compact structure and convenient transportation.

2. The booster pump sets up in the equipment cabin to be provided with the equipment cabin door, easy to assemble and maintenance.

3. The dust collection device can increase water to a certain pressure through the supercharging equipment under the condition that the pressure in the dust collection pipeline is not large, and high-speed moving water mist is formed by combining high-pressure gas of the gas-water ejector, and negative pressure is formed in the dust collection pipeline by the high-speed moving water mist, so that dust in the dust collection pipeline is sucked in and is combined with the water mist for settlement, and a good dust fall effect is achieved.

Drawings

FIG. 1 is a schematic structural front view of an auto-pressurizing water-pressure type gas-water jet dust remover for underground coal mine of the present invention;

FIG. 2 is a left side view of the self-pressurizing water-pressure type gas-water jet dust remover for underground coal mine according to the present invention;

FIG. 3 is a schematic structural plan view of a self-pressurizing water-pressure type gas-water jet dust remover for underground coal mine according to the present invention;

FIG. 4 is a schematic structural perspective view of an auto-pressurizing water-pressure type gas-water jet dust remover for underground coal mine of the present invention;

reference numerals:

a box body 1; a first separator 2; a second separator 3; a slag discharge cabin 4; a water storage compartment 5; an equipment compartment 6; a gas-water ejector 7; a supercharging device 8; a protective cover 9; a second handle 10; a bottom bracket 11; an equipment bay door 12; a gas-water collision chamber 13; a first tube 14; a second tube 15; a slag removal port 16; a first handle 17; a water inlet 18; a water discharge port 19; a mounting base 20.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

As shown in fig. 1-4: the utility model provides a colliery is with pressure boost water pressure formula air water efflux dust remover in pit, includes the box, the inside from left to right of box is provided with first baffle and second baffle, first baffle with the second baffle will the inner chamber of box is separated into from left to right and is arranged sediment cabin, water storage cabin and equipment cabin, the inside of box is provided with the dust removal pipeline, the left end of dust removal pipeline with arrange the sediment cabin and be linked together, the right-hand member of dust removal pipeline stretches out the box just is provided with the air water ejector, the air inlet intercommunication high pressurized air source of air water ejector rear end, the inlet end of dust removal pipeline is linked together with the dust collection pipeline in the pit of colliery, be provided with in the equipment cabin and do the inlet end of air water ejector side provides the supercharging equipment at high pressure water source.

In particular to a self-pressurizing water pressure type gas-water jet dust remover used in the underground coal mine, which is shown in the attached figure 1 and comprises a box body 1, a first clapboard 2 and a second clapboard 3 are arranged in the box body 1 from left to right, the first clapboard 2 and the second clapboard 3 divide the inner cavity of the box body 1 from left to right into a slag discharge cabin 4, a water storage cabin 5 and an equipment cabin 6, a dust removal pipeline is arranged in the box body 1, the left end of the dust removal pipeline is communicated with the slag discharge cabin 4, the right end of the dust removal pipeline extends out of the box body 1 and is provided with an air-water ejector 7, an air inlet at the rear end of the air-water ejector 7 is communicated with a high-pressure air source, the air inlet end of the dust removal pipeline is communicated with a dust collection pipeline under a coal mine, and a supercharging device which provides a high-pressure water source for the water inlet end on the side surface of the air-water ejector 7 is arranged in the equipment cabin 6.

As shown in fig. 1 and 3, the supercharging device adopts a booster pump, the water inlet end of the booster pump is communicated with the water storage chamber (5) through a pipeline, and the water outlet end of the booster pump provides high-pressure water pressure for the water inlet end on the side surface of the gas-water ejector (7).

According to an embodiment of the present invention, as shown in fig. 1, 3 and 4, the dust removing pipeline includes a first pipe 14 disposed on the box 1, a left end of the first pipe 14 communicates with the inside of the box 1, a right end of the first pipe 14 communicates with a flared air-water collision chamber 13, an outer end of the air-water collision chamber 13 communicates with the air-water ejector 7, a left end of the first pipe 14 communicates with a second pipe 15, and a left end of the second pipe 15 communicates with the slag discharge chamber 4.

According to an embodiment of the present invention, as shown in fig. 1, in order to improve the dust removing effect, the second pipe 15 is formed in a trumpet shape having a wider outlet than inlet.

According to one embodiment of the present invention, as shown in fig. 1, a slag removal door 16 is rotatably disposed on the left side of the slag removal chamber 4 for facilitating the removal of the slag from the slag removal chamber 4.

According to one embodiment of the invention, as shown in figures 1 and 3, in order to facilitate the removal and installation of the slag removal door 16, a first handle 17 is provided on the upper outside of said slag removal door 16.

According to one embodiment of the present invention, as shown in fig. 1, 3 and 4, a water inlet 18 is provided at the top of the reservoir compartment 5 in order to facilitate the injection of water into the reservoir compartment 5.

According to one embodiment of the present invention, as shown in fig. 1, a discharge opening 19 is provided at the bottom of the reservoir chamber 5 in order to facilitate the discharge of water in the reservoir chamber 5.

According to an embodiment of the present invention, as shown in fig. 1 and 4, in order to facilitate the control device to be mounted on the first pipe 14, a mounting seat 20 is provided on an upper portion of the first pipe 14, and the control device is mounted on the mounting seat 20.

According to one embodiment of the present invention, as shown in fig. 4, in order to prevent the control equipment from being injured by falling objects, a protective cover 9 is installed on the installation seat 20.

According to one embodiment of the present invention, as shown in fig. 1, 3 and 4, in order to facilitate the movement of the present air-water jet dust collector, a second handle 10 is provided on the case 1.

According to one embodiment of the present invention, as shown in fig. 1 and 4, the bottom of the case 1 is provided with a bottom bracket 11.

According to one embodiment of the present invention, as shown in fig. 1, the first partition wall 2 has an L-shaped cross-sectional shape in order to facilitate the flow of the mixture of dust and water vapor into the slag discharge chamber 4 along the dust removal duct.

According to one embodiment of the present invention, as shown in fig. 1 and 4, an equipment door 12 is installed on the equipment compartment 6 in order to facilitate the maintenance of the booster pump inside the equipment compartment 6.

The working method (or working principle) of the invention is as follows: according to the invention, a water inlet 18 is arranged at the top of the water storage cabin 5 to inject water into the water storage cabin 5, and the water storage cabin is pressurized by a pressurizing device 8 and then connected to a spray head of a gas-water ejector 7; and the high-pressure gas source is communicated with the gas inlet of the gas-water ejector 7.

During operation, the high-pressure air pipe passes through the pressure regulating pipe, the output air is also conveyed to the spray head of the air-water ejector 7 through the high-pressure rubber pipe, the air sprayed by the spray head of the air-water ejector 7 and atomized water are sprayed out through the air-water collision chamber 13 to form negative pressure, the first pipe body 14 forms suction under the action of the negative pressure, and dust generated during drilling is pumped into the first pipe body 14 through the dust collecting pipeline and is fused with the atomized water, so that the dust falling effect is achieved.

The invention adopts the venturi tube principle design, when the compressed air is injected at high speed through the front end of the air-water collision chamber through the jet nozzle and enters the first tube body through the reducing pipe port, the compressed air can form a vacuum negative pressure cavity in the air-water collision chamber after passing through the jet nozzle at high speed, and a dust conveying pipe connected with the air-water collision chamber forms suction under the action of vacuum negative pressure to suck dust into the air-water collision chamber. After the water storage cabin is filled with water, the water in the water storage cabin is sucked by the booster pump and is increased to a certain pressure, and the water is input to the nozzle of the air-water ejector under the action of the pressure and is combined with high-pressure air passing through the nozzle to form water mist moving at a high speed. The dust and the water mist moving at high speed are effectively combined into liquid in the second pipe body, and the liquid is discharged from the slag discharging cabin, so that the aim of dust fall is fulfilled.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.