CN214389467U

CN214389467U - Tunnel excavation ventilation dust collector for coal mine

Info

Publication number: CN214389467U
Application number: CN202120196189.1U
Authority: CN
Inventors: 惠金卫; 刘深; 马小卫
Original assignee: Huating Coal Group Co Ltd
Current assignee: Huating Coal Group Co Ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-10-15
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a tunnel tunnelling ventilation dust collector for coal mine, including water tank and dust removal case, one side outer wall and the dust removal case fixed connection of water tank, and the inner wall top of water tank is fixed with the baffle, first opening has been seted up to the top outer wall of water tank, and the open-ended inner wall is fixed with the air-supply line, the import outer wall of air-supply line is fixed with the air inlet cover, the top outer wall that the air-supply line was kept away from to the dust removal case has seted up the second opening, and the second open-ended inner wall is fixed with out the tuber pipe. The utility model discloses water in the water tank can stay aquatic with insoluble thing in the air, then the filter cloth bag on its outer wall of netted dust cover cooperation can stay the dust in the air between netted dust cover and collection frame, avoids the dust to enter into the dust removal incasement, and the crisscross filter screen that is the oblique form and distributes of a plurality of equidistance can stay the dust between netted dust cover and collection frame, and the dust screen of dust removal incasement can avoid the dust to fly out once more to sum up, realized dust removal effect.

Description

Tunnel excavation ventilation dust collector for coal mine

Technical Field

The utility model relates to a colliery technical field especially relates to a tunnel tunnelling ventilation dust collector for coal mine.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, a tunnel is generally dug towards the underground, the mineworker coal mine is the coal mine, the tunnel is required to be dug in the coal mining process, but the tunnel is generally filled with a large amount of dust, a ventilation device is required to ventilate the tunnel and remove dust, and most of the conventional devices simply ventilate the tunnel and do not have a dust removal effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a coal mine roadway tunneling ventilation dust removal device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tunnel excavation ventilation dust removal device for a coal mine comprises a water tank and a dust removal box, wherein one side outer wall of the water tank is fixedly connected with the dust removal box, a partition plate is fixed at the top of the inner wall of the water tank, a first opening is formed in the top outer wall of the water tank, an air inlet pipe is fixed on the inner wall of the opening, an air inlet cover is fixed on the inlet outer wall of the air inlet pipe, a second opening is formed in the top outer wall of the dust removal box, which is far away from the air inlet pipe, an air outlet pipe is fixed on the inner wall of the second opening, an air outlet cover is fixed on the outlet outer wall of the air outlet pipe, air exhaust parts are arranged on the inlet inner wall of the air inlet pipe and the outlet inner wall of the air outlet pipe, a round opening is formed in the top outer wall of the partition plate, the air inlet pipe penetrates through the round opening and extends into the water tank, a first connecting opening is formed in the top outer wall of the water tank, and a second connecting opening is formed in the middle of the top outer wall of the dust removal box, the inner wall of first connector and second connector is fixed with same connecting pipe, and the exit end of connecting pipe extends to the inside of dust removal case, the exit inner wall spiro union of connecting pipe has dust proof refluence part, the outer wall that the connecting pipe is located dust removal incasement portion has cup jointed the dust screen, and the exit outer wall spiro union of connecting pipe has the screw ring, the outer wall of screw ring has cup jointed netted dust cover, and has laid the filter bag on netted dust cover outer wall, the collection frame has been placed to the bottom inner wall of dust removal case.

Preferably, two the part of airing exhaust all includes solid fixed ring and arrangement ring, and two solid fixed ring distribute and be fixed in the import inner wall of air-supply line and the export inner wall that goes out the tuber pipe, gu fixed ring keeps away from one side inner wall of connecting pipe and has offered annular thread groove, and annular thread groove's inner wall spiro union has annular thread piece, one side outer wall that solid fixed ring was kept away from to annular thread piece and arrangement ring fixed connection, and the inner wall of arrangement ring is fixed with the exhaust fan.

Preferably, the dustproof water conservancy diversion part includes external screwed pipe, and the exit inner wall of external screwed pipe spiro union and connecting pipe, the inner wall of external screwed pipe is fixed with the crisscross filter screen that is the slope form and distributes of equidistance, and external screwed pipe bottom outer wall is fixed with spacing ring.

Preferably, the specification of netted dust cover and the specification looks adaptation of collecting the frame, and the front outer wall of dust removal case has seted up the installing port, one side inner wall of installing port articulates there is the chamber door, and the chamber door is through hasp lock and dust removal case fixed connection.

Preferably, the specification of the dust screen is matched with that of the dust removal box, the outer wall of the top of the partition board is provided with leakage holes distributed at equal intervals, the top of the outer wall of one side of the water tank is provided with a water inlet valve, and the bottom of the outer wall of one side of the water tank is provided with a water discharge valve.

Preferably, the exhaust fan is connected with a switch through a wire, and the switch is connected with a microprocessor through a wire.

The utility model has the advantages that:

1. according to the roadway tunneling ventilation dust removal device for the coal mine, undissolved substances in air can be left in water through water in a water tank, then a plurality of leak holes in a partition plate can decompose large bubbles in the water into a plurality of small bubbles, so that the undissolved substances are prevented from flowing out along with the large bubbles, the filtering effect of the water tank is improved, then the air enters a dust removal box through a connecting pipe, then dust in the air can be left between a net-shaped dust cover and a collecting frame by matching the net-shaped dust cover with a filter bag on the outer wall of the net-shaped dust cover, the dust is prevented from entering the dust removal box, a dust-proof flow guide component is arranged at the outlet of the connecting pipe, the dust can be left between the net-shaped dust cover and the collecting frame by a plurality of filter screens which are equidistantly staggered and obliquely distributed, and the dust-proof screen is also arranged in the dust removal box, so that the dust is prevented from flying out again, and the dust removal effect is realized;

2. this tunnel tunnelling ventilation dust collector for coal mine, the exhaust fan sets up and settles the intra-annular, the collar passes through the annular thread piece and cooperates with solid fixed ring fixed connection with solid fixed ring on the solid fixed ring, the dismouting exhaust fan of can being convenient for clears up, open the chamber door, can take out the collection frame and clear up, can spiral shell play with built-in screw thread ring, take out netted dust cover and clear up, can take out external screwed pipe and clear up, the device can take out most filter unit and clear up promptly, guarantee the life and the filter effect of whole device.

Drawings

Fig. 1 is a schematic view of a vertical cross-section structure of a coal mine roadway tunneling ventilation dust removal device provided by the utility model;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is the utility model provides a main view structure schematic diagram of tunnelling ventilation dust collector for coal mine.

In the figure: the device comprises a water tank 1, a partition plate 2, an air inlet pipe 3, an air inlet cover 4, a leakage hole 5, an inlet valve 6, a drain valve 7, a dust removal box 8, a connecting pipe 9, an external threaded pipe 10, a filter screen 11, a dust screen 12, an air outlet pipe 13, an air outlet cover 14, a collecting frame 15, a net-shaped dust cover 16, a filter cloth bag 17, a fixing ring 18, a mounting ring 19, an exhaust fan 20, an annular threaded block 21 and a box door 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a tunnel excavation ventilation dust removal device for coal mines comprises a water tank 1 and a dust removal box 8, wherein the outer wall of one side of the water tank 1 is fixedly connected with the dust removal box 8, a partition plate 2 is fixed on the top of the inner wall of the water tank 1, a first opening is formed in the outer wall of the top of the water tank 1, an air inlet pipe 3 is fixed on the inner wall of the opening, an air inlet cover 4 is fixed on the outer wall of an inlet of the air inlet pipe 3, a second opening is formed in the outer wall of the top of the dust removal box 8 far away from the air inlet pipe 3, an air outlet pipe 13 is fixed on the inner wall of the second opening, an air outlet cover 14 is fixed on the outer wall of an outlet of the air outlet pipe 13, air exhaust parts are arranged on the inner wall of the inlet of the air inlet pipe 3 and the inner wall of the outlet of the air outlet pipe 13, a round opening is formed in the outer wall of the top of the partition plate 2, the air inlet pipe 3 extends to the inside of the water tank 1 through the round opening, a first connecting opening is formed in the outer wall of the top of the water tank 1 close to the dust removal box 8, and the middle part of the outer wall of the top of the dust removing box 8 is provided with a second connector, the inner walls of the first connector and the second connector are fixed with the same connecting pipe 9, the outlet end of the connecting pipe 9 extends to the inside of the dust removing box 8, the inner wall of the outlet of the connecting pipe 9 is screwed with a dust backflow preventing component, the outer wall of the connecting pipe 9 positioned in the dust removing box 8 is sleeved with a dust screen 12, the outer wall of the outlet of the connecting pipe 9 is screwed with a threaded ring, the outer wall of the threaded ring is sleeved with a reticular dust cover 16, the outer wall of the reticular dust cover 16 is paved with a filter bag 17, the inner wall of the bottom of the dust removing box 8 is provided with a collecting frame 15, the two air exhaust components comprise a fixed ring 18 and a mounting ring 19, the two fixed rings 18 are distributed and fixed on the inner wall of the inlet of the air inlet pipe 3 and the inner wall of the outlet pipe 13, the inner wall of one side of the fixed ring 18 far away from the connecting pipe 9 is provided with an annular threaded groove, and the inner wall of the annular threaded block 21 is screwed with the annular threaded block, the outer wall of one side of the annular threaded block 21, which is far away from the fixed ring 18, is fixedly connected with the mounting ring 19, the inner wall of the mounting ring 19 is fixedly provided with the exhaust fan 20, the dust-proof diversion part comprises an external threaded pipe 10, the external threaded pipe 10 is in threaded connection with the inner wall of an outlet of the connecting pipe 9, the inner wall of the external threaded pipe 10 is fixedly provided with the filter screens 11 which are distributed in an inclined shape in an equidistance staggered mode, the outer wall of the bottom of the external threaded pipe 10 is fixedly provided with a limiting ring, the specification of the net-shaped dust cover 16 is matched with the specification of the collecting frame 15, the outer wall of the front side of the dust removal box 8 is provided with a mounting hole, one side of the mounting hole is hinged with a box door 22, the box door 22 is fixedly connected with the dust removal box 8 through a hasp lock, the specification of the dust-proof net 12 is matched with the specification of the dust removal box 8, the outer wall of the top of the partition plate 2 is provided with the leakage holes 5 which are distributed in equidistance, the top of the outer wall of one side of the water tank 1 is provided with a water inlet valve 6, and the bottom of the outer wall of one side of the water tank 1 is provided with a drain valve 7, the exhaust fan 20 is connected with a switch through a lead, and the switch is connected with a microprocessor through a lead.

The working principle is as follows: when in use, the two exhaust fans 20 operate to discharge the air in the roadway into the water in the water tank 1 through the air inlet pipe 3, the water in the water tank 1 can retain insoluble matters in the air in the water, the plurality of leakage holes 5 on the partition plate 2 can decompose large bubbles in the water into a plurality of small bubbles, so that some insoluble matters are prevented from flowing out along with the large bubbles, then the air enters the dust box 8 through the connecting pipe 9, then the reticular dust cover 16 is matched with the filter cloth bag 17 on the outer wall of the reticular dust cover to retain the dust in the air between the reticular dust cover 16 and the collecting frame 15, the dust is prevented from entering the dust box 8, and a plurality of filter screens 11 which are distributed in an inclined shape in an equidistance staggered way on the inner wall at the outlet of the connecting pipe 9 can retain dust between the reticular dust cover 16 and the collecting frame 15, the air is filtered by the filter cloth bag 17 and the reticular dust cover 16 and then discharged into the dust removing box 1, and then is filtered by the dust cover 12 and then discharged through the air outlet pipe 13.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tunnel tunnelling ventilation dust collector for coal mine, includes water tank (1) and dust removal case (8), its characterized in that, one side outer wall and dust removal case (8) fixed connection of water tank (1), and the inner wall top of water tank (1) is fixed with baffle (2), the top outer wall of water tank (1) has seted up first opening, and the open-ended inner wall is fixed with air-supply line (3), the import outer wall of air-supply line (3) is fixed with air inlet cover (4), the top outer wall that the air-supply line (3) was kept away from in dust removal case (8) has seted up the second opening, and the inner wall of second opening is fixed with air-out pipe (13), the export outer wall of air-out pipe (13) is fixed with air outlet cover (14), the import inner wall of air-supply line (3) and the export inner wall of air-out pipe (13) all are provided with exhaust part, the top outer wall of baffle (2) has seted up the round mouth, the air inlet pipe (3) penetrates through the round opening and extends to the inside of the water tank (1), the outer wall of the top of the water tank (1) close to the dust removal box (8) is provided with a first connecting port, and the middle part of the outer wall of the top part of the dust removing box (8) is provided with a second connecting port, the inner walls of the first connecting port and the second connecting port are fixed with the same connecting pipe (9), the outlet end of the connecting pipe (9) extends to the interior of the dust removing box (8), the inner wall of the outlet of the connecting pipe (9) is screwed with a dust backflow preventing component, the outer wall of the connecting pipe (9) positioned in the dust removing box (8) is sleeved with a dust screen (12), and the outer wall of the outlet of the connecting pipe (9) is screwed with a threaded ring, the outer wall of the threaded ring is sleeved with a reticular dust cover (16), and a filtering cloth bag (17) is laid on the outer wall of the reticular dust cover (16), and a collecting frame (15) is placed on the inner wall of the bottom of the dust removing box (8).

2. The tunneling, ventilating and dust-removing device for the coal mine according to claim 1, wherein the two air exhaust components each comprise a fixing ring (18) and a mounting ring (19), the two fixing rings (18) are fixed on an inlet inner wall of the air inlet pipe (3) and an outlet inner wall of the air outlet pipe (13) in a distributed manner, an annular thread groove is formed in an inner wall of one side, away from the connecting pipe (9), of the fixing rings (18), an annular thread block (21) is screwed on an inner wall of the annular thread groove, an outer wall of one side, away from the fixing rings (18), of the annular thread block (21) is fixedly connected with the mounting ring (19), and an exhaust fan (20) is fixed on an inner wall of the mounting ring (19).

3. The tunneling, ventilating and dedusting device for the coal mine according to claim 1, wherein the dust-proof diversion component comprises an external threaded pipe (10), the external threaded pipe (10) is in threaded connection with the inner wall of an outlet of the connecting pipe (9), filter screens (11) which are distributed in an inclined mode in an equidistant and staggered mode are fixed on the inner wall of the external threaded pipe (10), and a limiting ring is fixed on the outer wall of the bottom of the external threaded pipe (10).

4. The tunneling, ventilating and dedusting device for the coal mine is characterized in that the specification of the meshed dustproof cover (16) is matched with that of the collecting frame (15), the outer wall of the front face of the dedusting box (8) is provided with a mounting opening, one inner wall of the mounting opening is hinged with a box door (22), and the box door (22) is fixedly connected with the dedusting box (8) through a hasp lock.

5. The roadway driving ventilating dust removing device for the coal mine according to claim 1, wherein the specification of the dust screen (12) is matched with that of the dust removing box (8), the outer wall of the top of the partition plate (2) is provided with leakage holes (5) distributed at equal intervals, the top of the outer wall of one side of the water tank (1) is provided with a water inlet valve (6), and the bottom of the outer wall of one side of the water tank (1) is provided with a water drain valve (7).

6. The tunneling, ventilating and dust-removing device for the coal mine as claimed in claim 2, wherein the exhaust fan (20) is connected with a switch through a wire, and the switch is connected with the microprocessor through a wire.