CN214384150U - Dust falling device for coal mining of coal mine - Google Patents

Abstract

The utility model discloses a dust device for coal mining in colliery belongs to coal mining technical field, including the coal-winning machine, coal-winning machine below fixed mounting has the hydraulic stem, and the embedding of coal-winning machine one side below is provided with electric telescopic handle, and electric telescopic handle rotates in one side and is connected with the support arm, and the supporting rotor that is provided with in support arm one side, and coal-winning machine one side fixed mounting has the support, and support one side inner wall embedding is provided with the dust absorption mouth, and there is the dust collection box dust collection mouth one side through pipeline fixed mounting, and the embedding of dust collection box one side is provided with the dust catcher, and dust catcher opening part fixed mounting has the filter screen. The utility model discloses in, filter screen, first electric sieve and second electric sieve are arranged in proper order, and inspiratory fly ash sieves it through the difference of first electric sieve and second electric sieve mesh size, and the setting of filter screen causes the damage of dust catcher in order to prevent that fly ash from inhaling to the dust catcher, influences its life-span.

Description

Dust falling device for coal mining of coal mine

Technical Field

The utility model belongs to the technical field of coal mining, specifically be a dust device for coal mining in colliery.

Background

The areas of coal mining areas where coal resources are exploited are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines.

In the coal mining process, a large amount of fly ash is generated, so that the visibility in the work is influenced, the air quality of the working environment is low, the health of workers is influenced, the fly ash is also a part of coal and cannot be recycled, the waste is caused, the production capacity is reduced, and under the condition that a cutter head of a coal mining machine is too heavy, double support is not performed on the coal mining machine, the gravity of the coal mining machine is dispersed, and the service life of the coal mining machine is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the visibility of a working environment is reduced and the health of workers is greatly influenced due to the fact that the coal ash is too large in the coal mining process of a coal mining machine, the dust falling device for coal mining in a coal mine is provided.

The utility model adopts the technical scheme as follows: the utility model provides a dust device for coal mining in colliery, includes the coal-winning machine, coal-winning machine below fixed mounting has the hydraulic stem, coal-winning machine one side below embedding is provided with electric telescopic handle, electric telescopic handle rotates in one side and is connected with the support arm, the supporting break roll that is provided with in support arm one side, coal-winning machine one side fixed mounting has the support, support one side inner wall embedding is provided with the dust absorption mouth, there is the dust collection box dust absorption mouth one side through pipeline fixed mounting, dust collection box one side embedding is provided with the dust catcher, dust catcher opening part fixed mounting has the filter screen, the inside fixed mounting of dust collection box has first electric sieve and second electric sieve respectively, the supporting receipts magazine that is provided with in dust collection box bottom, support top fixed mounting has the water tank, the supporting shower nozzle that is provided with in water tank one side.

Wherein, the water tank leads to water piping connection with the shower nozzle, and the inside fixed mounting of water tank has the water pump, and the shower nozzle sets up quantity and is a plurality of.

Wherein, the dust absorption mouth sets up quantity and is a plurality of, and the distribution is even.

The mesh size of the filter screen is 1cm, the mesh size of the first electric screen is 0.7cm, the mesh size of the second electric screen is 0.4cm, and the filter screen, the first electric screen and the second electric screen are sequentially arranged.

Wherein, the collecting box sets up quantity and is a plurality of, is located filter screen, first electronic sieve and the electronic sieve below of second respectively.

The dust collector, the water pump, the first electric sieve and the second electric sieve are electrically connected with an external power supply through switches.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, during the coal mining, open the water pump, spray the water in the water tank to the place ahead through the shower nozzle, effectually carry out the dust fall when mining.

2. The utility model discloses in, filter screen, first electric sieve and second electric sieve are arranged in proper order, and inspiratory fly ash sieves it through the difference of first electric sieve and second electric sieve mesh size, and the setting of filter screen causes the damage of dust catcher in order to prevent that fly ash from inhaling to the dust catcher, influences its life-span.

3. The utility model discloses in, the fly ash after the screening passes through the screen cloth and filters layer upon layer, drops to in the material collecting box, can carry out the reutilization, makes the coal mining in-process avoid unnecessary extravagant, has improved exploitation output.

Drawings

FIG. 1 is a schematic diagram of the structure of the whole side of the utility model;

FIG. 2 is a schematic diagram of the internal structure of the dust collecting box of the present invention;

fig. 3 is a schematic diagram of a three-dimensional structure of the middle support arm of the present invention.

The labels in the figure are: 1. a coal mining machine; 101. a hydraulic lever; 102. an electric telescopic rod; 103. a support arm; 104. a knife roll; 2. a dust collection box; 201. a dust suction port; 202. a support; 203. a vacuum cleaner; 204. a filter screen; 205. a first electrically powered screen; 206. a second electric sieve; 207. a material receiving box; 3. a water tank; 301. and (4) a spray head.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses in:

referring to fig. 1-3, a dust fall device for coal mining in a coal mine comprises a coal mining machine 1, a hydraulic rod 101 is fixedly installed below the coal mining machine 1, an electric telescopic rod 102 is embedded below one side of the coal mining machine 1, a supporting arm 103 is rotatably connected to one side of the electric telescopic rod 102, a cutter roller 104 is arranged on one side of the supporting arm 103 in a matched manner, a support 202 is fixedly installed on one side of the coal mining machine 1, a dust suction port 201 is embedded into the inner wall of one side of the support 202, a dust collection box 2 is fixedly installed on one side of the dust suction port 201 through a pipeline, a dust collector 203 is embedded into one side of the dust collection box 2, a filter screen 204 is fixedly installed at the opening of the dust collector 203, a first electric sieve 205 and a second electric sieve 206 are respectively fixedly installed inside the dust collection box 2, a material collection box 207 is arranged on the bottom of the dust collection box 2, a water tank 3 is fixedly installed above the support 202, and a spray nozzle 301 is arranged on one side of the water tank 3 in a matched manner.

Further, water tank 3 and shower nozzle 301 lead to water piping connection, and 3 inside fixed mounting of water tank has the water pump, and shower nozzle 301 sets up quantity and be a plurality of, and during the coal mining, open the water pump, pass through shower nozzle 301 with the water in the water tank 3 and spray to the place ahead, effectually carry out the dust fall when mining.

Furthermore, the dust suction ports 201 are arranged in a plurality of numbers and are uniformly distributed, and the dust collector 203 can suck the fly ash into the dust collection box 2 through the dust suction ports 201 during operation, so that the fly ash generated by the knife roll 104 during cutting is collected, the visibility of the working environment is improved, and the fly ash is prevented from flowing out of the ground and polluting air.

Furthermore, the mesh size of the filter screen 204 is 1cm, the mesh size of the first electric screen 205 is 0.7cm, the mesh size of the second electric screen 206 is 0.4cm, the filter screen 204, the first electric screen 205 and the second electric screen 206 are sequentially arranged, the sucked fly ash is sieved through the difference of the mesh sizes of the first electric screen 205 and the second electric screen 206, and the filter screen 204 is arranged to prevent the fly ash from being sucked into the dust collector 203 to damage the dust collector 203 and influence the service life of the dust collector.

Furthermore, the receiving boxes 207 are provided with a plurality of receiving boxes and are respectively positioned below the filter screen 204, the first electric screen 205 and the second electric screen 206, and the screened fly ash is filtered layer by layer through the filter screen and falls into the receiving boxes 207, so that secondary utilization can be carried out, unnecessary waste is avoided in the coal mining process, and the mining yield is improved.

Further, the vacuum cleaner 203, the water pump, the first electric sieve 205 and the second electric sieve 206 are all electrically connected with an external power supply through switches.

The working principle is as follows: firstly, a large amount of fly ash is generated when the knife roll 104 works, a water pump is started, water in the water tank 3 is sprayed to the front through a spray head 301, meanwhile, the fly ash can be sucked into the dust collection box 2 through a dust suction port 201 through the operation of the dust collector 203, the fly ash generated when the knife roll 104 is dug is ensured to be collected, the combination of water spraying and dust suction is ensured, the dust fall is more thorough, the visibility of the working environment is improved, the size of holes of the filter screen 204 is 1cm, the size of holes of the first electric screen 205 is 0.7cm, the size of holes of the second electric screen 206 is 0.4cm, the filter screen 204, the first electric screen 205 and the second electric screen 206 are sequentially arranged, the sucked fly ash is sieved through the difference of the sizes of the holes of the first electric screen 205 and the second electric screen 206, and the filter screen 204 is arranged to prevent the fly ash from being sucked into the dust collector 203 to cause the damage of the dust collector 203, the service life of the coal mining machine is influenced, the number of the material receiving boxes 207 is set to be a plurality of, the material receiving boxes are respectively located below the filter screen 204, the first electric sieve 205 and the second electric sieve 206, and the screened coal ash is filtered layer by layer through the filter screen and falls into the material receiving boxes 207, so that secondary utilization can be carried out, unnecessary waste is avoided in the coal mining process, and the mining yield is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a colliery is dust device for coal mining, includes coal-winning machine (1), its characterized in that: the coal mining machine is characterized in that a hydraulic rod (101) is fixedly installed below the coal mining machine (1), an electric telescopic rod (102) is embedded into the lower portion of one side of the coal mining machine (1), one side of the electric telescopic rod (102) is rotatably connected with a supporting arm (103), a knife roller (104) is arranged on one side of the supporting arm (103) in a matched manner, a support (202) is fixedly installed on one side of the coal mining machine (1), a dust suction port (201) is embedded into the inner wall of one side of the support (202), a dust collection box (2) is fixedly installed on one side of the dust suction port (201) through a pipeline, a dust collector (203) is embedded into one side of the dust collection box (2), a filter screen (204) is fixedly installed at the opening of the dust collector (203), a first electric screen (205) and a second electric screen (206) are respectively fixedly installed inside the dust collection box (2), and a material collection box (207) is arranged at the bottom of the dust collection box (2) in a matched manner, a water tank (3) is fixedly mounted above the support (202), and a spray head (301) is arranged on one side of the water tank (3) in a matched mode.

2. The dust fall device for coal mining of the coal mine according to claim 1, characterized in that: the water tank (3) is connected with the spray head (301) through a water pipe, the water pump is fixedly arranged inside the water tank (3), and the spray head (301) is provided with a plurality of spray heads.

3. The dust fall device for coal mining of the coal mine according to claim 2, characterized in that: the dust suction ports (201) are arranged in a plurality of numbers and are uniformly distributed.

4. The dust fall device for coal mining of the coal mine according to claim 3, characterized in that: the mesh size of the filter screen (204) is 1cm, the mesh size of the first electric screen (205) is 0.7cm, the mesh size of the second electric screen (206) is 0.4cm, and the filter screen (204), the first electric screen (205) and the second electric screen (206) are sequentially arranged.

5. The dust fall device for coal mining of the coal mine according to claim 1, characterized in that: the collecting boxes (207) are arranged in a plurality of numbers and are respectively positioned below the filter screen (204), the first electric screen (205) and the second electric screen (206).

6. The dust fall device for coal mining of the coal mine according to claim 1, characterized in that: the dust collector (203), the water pump, the first electric sieve (205) and the second electric sieve (206) are electrically connected with an external power supply through switches.

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