Mine ventilation dust-settling device

Abstract

The utility model relates to the technical field of mine ventilation, and discloses a mine ventilation dust-settling device which comprises a base, a dust-settling bin, a water tank and a high-pressure fan, the dust-settling bin, the water tank and the high-pressure fan are fixed to the top of the base, and the dust-settling bin, the water tank and the high-pressure fan are communicated. A lower filter screen, an upper filter screen, a lower spraying pipe frame and an upper spraying pipe frame are arranged on the upper portion of the interior of the dust falling bin, spraying heads are arranged below the lower spraying pipe frame and the upper spraying pipe frame, the rear portion of the water tank communicates with a water pump installed on the base, and the water pump communicates with the lower spraying pipe frame and the upper spraying pipe frame and is provided with a water conveying pipe; according to the coal dust removal device, the air flow can be conveniently and stably subjected to dust removal, the lower filter screen and the upper filter screen can be cleaned, so that the gas filtering effect of the lower filter screen and the upper filter screen is better, meanwhile, coal particle residues after cleaning can be intensively cleaned, and the cleaning work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine ventilation, in particular to a mine ventilation dust reducer. Background Technique

[0002] During coal mining, since it is underground, in order to ensure that workers can work normally in the mine, the ventilation in the mine is crucial. When coal mines are mined, a large amount of coal dust particles will be generated. These dust particles will float in the mine. Therefore, when ventilation and air change are carried out, these dusts will be discharged together with the air flow. In order to avoid the pollution of such dusts to the external environment, dust reduction work during ventilation is required. The most common dust reduction method is to use the spraying method for dust reduction. Water is sent into the spray pipeline through the conveying structure, and the sprayed water mist can entrain the coal dust particles, and will automatically fall after the weight increases, achieving the purpose of dust reduction.

[0003] Most traditional mine ventilation dust reducers lack a water resource recovery and treatment structure. When carrying out dust reduction work, the mixed sewage mixed with coal dust after spray dust reduction is mostly directly discharged after simple filtration treatment. This not only still causes environmental pollution to the surrounding area, but also causes a great waste of water resources, resulting in a high economic cost for overall dust reduction and a low utilization rate of water resources. And traditional mine ventilation dust reducers usually use filter screens to filter dust in the gas, but the filter screens do not have a good cleaning structure, resulting in a reduced filtering effect after long-term use of the filter screens.

[0004] In view of this, this technical solution proposes a mine ventilation dust reducer to better solve the above-mentioned problems. Content of the Utility Model

[0005] The technical solution adopted by the utility model is as follows: A mine ventilation dust reducer includes a base, a dust reduction bin, a water tank and a high-pressure fan. The dust reduction bin, the water tank and the high-pressure fan are fixed on the top of the base, and the dust reduction bin, the water tank and the high-pressure fan are connected in communication;

[0006] Above the inside of the dust reduction bin, a lower filter screen, an upper filter screen, a lower spray pipe rack and an upper spray pipe rack are arranged. Nozzles are arranged below the lower spray pipe rack and the upper spray pipe rack. A water pump installed on the base is connected in communication behind the water tank, and a water delivery pipe is connected between the water pump and the lower spray pipe rack and the upper spray pipe rack;

[0007] A sundry conveying pipe penetrates and is connected to the lower right side inside the water tank. A spiral conveyor is rotatably installed inside the sundry conveying pipe. The spiral conveyor extends into the water tank. A motor is fixed on the right wall of the sundry conveying pipe, and the output end of the motor is connected to the right side of the spiral conveyor. An outlet is penetrated and connected to the lower right side of the sundry conveying pipe.

[0008] In a preferred embodiment, the lower part inside the dust settling bin is of an inclined structure, and a connecting pipe is provided between the dust settling bin and the water tank.

[0009] In a preferred embodiment, a connecting pipe is communicatively provided between the high-pressure blower and the dust settling bin. An air outlet hood is installed above the dust settling bin, and a protective net is provided inside the upper part of the air outlet hood.

[0010] In a preferred embodiment, the mesh size of the lower filter screen is larger than that of the upper filter screen, and the upper filter screen is located above the lower filter screen.

[0011] In a preferred embodiment, the lower spray pipe rack is located between the lower filter screen and the upper filter screen, and the upper spray pipe rack is located above the upper filter screen.

[0012] In a preferred embodiment, a tank cover is fixed above the water tank, and a maintenance opening is provided inside the tank cover. A sealing plug is provided in the maintenance opening.

[0013] In a preferred embodiment, a water volume perspective opening is provided inside the front of the water tank, and a water inlet penetrates through the front right side of the water tank. A partition net is fixed inside the rear of the water tank, and the partition net is located behind the water inlet.

[0014] In a preferred embodiment, an inclined collection trough is provided below the inside of the water tank and in front of the partition net, and a screw conveyor is located in the collection trough. The screw conveyor is located in front of the partition net.

[0015] In summary, due to the adoption of the above technical solutions, the beneficial effects of the present utility model are as follows: it is convenient to carry out stable dust settling for better air flow, and the lower filter screen and the upper filter screen can be cleaned, so that the lower filter screen and the upper filter screen have better gas filtering effects. At the same time, the coal particle residues after cleaning can be centrally cleaned, improving the cleaning work efficiency.

[0016] 1. In the present utility model, through the cooperation of the high-pressure blower and the connecting pipe, the gas can be conveyed into the inside of the dust settling bin. At the same time, the water pump can convey the water inside the water tank to the lower spray pipe rack and the upper spray pipe rack through the water delivery pipe. At this time, the lower filter screen and the upper filter screen are sprayed through the nozzles, so that the gas can be dust-settled, and the lower filter screen and the upper filter screen can be cleaned, making the filtering effects of the lower filter screen and the upper filter screen better. Moreover, under the action of the partition net, the coal particle residues after cleaning can be separated, facilitating the reuse of water.

[0017] 2. In the present utility model, by driving the screw conveyor to rotate with a motor, the coal particle residue after cleaning can be conveyed into the interior of the debris conveying pipe and then stably discharged through the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural view of the present utility model;

[0019] Figure 2 is a sectional view of the dust reduction bin and the water tank structure of the present utility model;

[0020] Figure 3 is a schematic semi-sectional view of the water tank of the present utility model.

[0021] Reference numerals in the figures: 1 - base; 2 - dust reduction bin; 3 - water tank; 4 - high-pressure blower; 5 - connecting pipe; 6 - air outlet hood; 7 - lower filter screen; 8 - upper filter screen; 9 - lower spray pipe rack; 10 - upper spray pipe rack; 11 - spray head; 12 - water pump; 13 - water delivery pipe; 14 - tank cover; 15 - maintenance port; 16 - water volume perspective port; 17 - water inlet; 18 - partition net; 19 - debris conveying pipe; 20 - screw conveyor; 21 - motor; 22 - discharge port. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] The following will be combined with Figures 1 - 3 to give a detailed description of a mine ventilation dust reducer according to an embodiment of the present utility model.

[0024] Referring to Figure 1 as shown, a mine ventilation dust reducer includes a base 1, a dust reduction bin 2, a water tank 3 and a high-pressure blower 4. The dust reduction bin 2, the water tank 3 and the high-pressure blower 4 are fixed on the top of the base 1, and the dust reduction bin 2, the water tank 3 and the high-pressure blower 4 are connected and arranged. The lower part inside the dust reduction bin 2 is of an inclined structure, and there is a connecting pipe between the dust reduction bin 2 and the water tank 3. There is a connecting pipe 5 connected between the high-pressure blower 4 and the dust reduction bin 2. An air outlet hood 6 is installed above the dust reduction bin 2, and a protective net is provided inside the upper part of the air outlet hood 6.

[0025] Referring to Figures 1 - 3As shown in the figure, a lower filter screen 7, an upper filter screen 8, a lower spray pipe rack 9 and an upper spray pipe rack 10 are arranged above the interior of the dust settling bin 2. The mesh size of the lower filter screen 7 is larger than that of the upper filter screen 8, and the upper filter screen 8 is located above the lower filter screen 7. The lower spray pipe rack 9 is located between the lower filter screen 7 and the upper filter screen 8, and the upper spray pipe rack 10 is located above the upper filter screen 8. Nozzles 11 are provided below both the lower spray pipe rack 9 and the upper spray pipe rack 10. A water pump 12 installed on the base 1 is connected to the rear of the water tank 3, and a water delivery pipe 13 is connected between the water pump 12 and the lower spray pipe rack 9 and the upper spray pipe rack 10. A tank cover 14 is fixed above the water tank 3, and a maintenance port 15 is opened inside the tank cover 14, and a sealing plug is arranged in the maintenance port 15. A water volume perspective port 16 is provided inside the front of the water tank 3, and a water inlet 17 penetrates through the front right side of the water tank 3. A partition net 18 is fixed to the rear inside of the water tank 3, and the partition net 18 is located behind the water inlet 17.

[0026] Reference Figures 1 - 2 As shown in the figure, a debris conveying pipe 19 penetrates and is connected to the lower right side inside the water tank 3, and a screw conveyor 20 is rotatably installed inside the debris conveying pipe 19, and the screw conveyor 20 extends into the interior of the water tank 3. A motor 21 is fixed to the right wall of the debris conveying pipe 19, and the output end of the motor 21 is connected to the right side of the screw conveyor 20. An inclined collection tank is arranged below the interior of the water tank 3 and in front of the partition net 18, and the screw conveyor 20 is located in the collection tank. The screw conveyor 20 is located in front of the partition net 18. The screw conveyor 20 is composed of a rotating shaft and screw blades, and the rotating shaft is connected to the motor 21. A discharge port 22 penetrates and is connected to the lower right side of the debris conveying pipe 19.

[0027] Advantages of this application: It is convenient to carry out stable dust removal for better airflow, and the lower filter screen 7 and the upper filter screen 8 can be cleaned, so that the lower filter screen 7 and the upper filter screen 8 have a better gas filtration effect. At the same time, the coal particle residues after cleaning can be centrally cleaned, improving the cleaning work efficiency.

[0028] Working principle: Through the cooperation of the high-pressure fan 4 and the connecting pipe 5, the gas can be conveyed into the interior of the dust settling bin 2. At the same time, the water pump 12 can pump the water inside the water tank 3 through the water delivery pipe 13 to the lower spray pipe rack 9 and the upper spray pipe rack 10. At this time, the nozzles 11 are used to spray the lower filter screen 7 and the upper filter screen 8, so that the gas can be dust-removed, and at the same time, the lower filter screen 7 and the upper filter screen 8 can be cleaned, making the filtering effect of the lower filter screen 7 and the upper filter screen 8 better. Moreover, under the action of the partition net 18, the coal particle residues after cleaning can be separated, facilitating the reuse of water.

[0029] By driving the screw conveyor 20 to rotate through the motor 21, the coal particle residues after cleaning can be conveyed into the interior of the sundry conveying pipe 19 and then stably discharged through the discharge port 22.

[0030] The above-described embodiments merely represent several implementation manners of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A mine ventilation and dust reduction device, characterized in that: It includes a base (1), a dust-removing bin (2), a water tank (3) and a high-pressure blower (4). The dust-removing bin (2), the water tank (3) and the high-pressure blower (4) are fixed on the top of the base (1), and the dust-removing bin (2), the water tank (3) and the high-pressure blower (4) are connected in communication; Above the interior of the dust-removing bin (2), there are a lower filter screen (7), an upper filter screen (8), a lower spray pipe rack (9) and an upper spray pipe rack (10). Below the lower spray pipe rack (9) and the upper spray pipe rack (10), there are spray nozzles (11). At the rear of the water tank (3), there is a water pump (12) installed on the base (1) in communication, and a water delivery pipe (13) is connected between the water pump (12) and the lower spray pipe rack (9) and the upper spray pipe rack (10); Below the right side interior of the water tank (3), there is a sundry conveying pipe (19) connected through. Inside the sundry conveying pipe (19), there is a spiral conveyor (20) rotatably installed. The spiral conveyor (20) extends into the interior of the water tank (3). On the right wall of the sundry conveying pipe (19), there is a motor (21) fixed, and the output end of the motor (21) is connected to the right side of the spiral conveyor (20). Below the right side of the sundry conveying pipe (19), there is an outlet (22) connected through.

2. The mine ventilation and dust reduction device according to claim 1, characterized in that: The lower part inside the dust-removing bin (2) is of an inclined structure, and there is a communicating pipe between the dust-removing bin (2) and the water tank (3).

3. The mine ventilation dust reducer according to claim 1, characterized in that: There is a communicating pipe (5) connected in communication between the high-pressure blower (4) and the dust-removing bin (2). Above the dust-removing bin (2), there is an air outlet hood (6) installed, and inside the upper part of the air outlet hood (6), there is a protective net.

4. The mine ventilation dust collector according to claim 1, wherein: The mesh size of the lower filter screen (7) is larger than that of the upper filter screen (8), and the upper filter screen (8) is located above the lower filter screen (7).

5. The mine ventilation dust reducer according to claim 1, characterized in that: The lower spray pipe rack (9) is located between the lower filter screen (7) and the upper filter screen (8), and the upper spray pipe rack (10) is located above the upper filter screen (8).

6. The mine ventilation dust reducer according to claim 2, characterized in that: Above the water tank (3), there is a tank cover (14) fixed. Inside the tank cover (14), there is a maintenance opening (15), and a sealing plug is arranged in the maintenance opening (15).

7. The mine ventilation dust reducer according to claim 2, characterized in that: Inside the front of the water tank (3), there is a water volume perspective opening (16). Through the front right side of the water tank (3), there is a water inlet (17). Inside the rear of the water tank (3), there is a partition net (18) fixed, and the partition net (18) is located behind the water inlet (17).

8. The mine ventilation and dust reduction device according to claim 2, characterized in that: Below the interior of the water tank (3) and in front of the partition net (18), there is an inclined collection trough arranged, and the spiral conveyor (20) is located in the collection trough. The spiral conveyor (20) is located in front of the partition net (18).

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