CN213869937U

CN213869937U - Underground coal mine ventilation device

Info

Publication number: CN213869937U
Application number: CN202022516816.3U
Authority: CN
Inventors: 苏大伟; 张鹏飞; 雷拴莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-03
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a colliery is ventilation unit in pit, the on-line screen storage device comprises a base, the lower extreme fixedly connected with supporting leg of base, the upper end fixedly connected with purifying box of base, there are intake pipe and blast pipe lower extreme and the upper end fixed mounting respectively of purifying box, the upper end fixed mounting of blast pipe has the air exhauster, be equipped with the slope setting, the circular shape filter screen in the purifying box, fixedly connected with rotates the piece in the purifying box, the filter screen rotates the lower extreme of installing at rotating the piece, the upside of filter screen still is equipped with the cleaning piece, the bottom of base and purifying box is equipped with corresponding dust removal mouth, the downside fixed mounting of dust removal mouth has the dust collection box. The utility model discloses a set up the filter screen, can filter the air on the basis of realizing the ventilation, play the effect of dust removal to, because this filter screen slope sets up, can reduce the area of this device, improve the filter effect.

Description

Underground coal mine ventilation device

Technical Field

The utility model belongs to the technical field of the colliery, especially, relate to a colliery is ventilation unit in pit.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and 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 soil layer, which is an open pit coal mine, and most coal mines in China belong to underground coal mines.

In order to improve the working environment of miners, the underground coal mine is generally provided with a ventilation device to make air flow, but the existing ventilation device is generally composed of a blower and other simple structures and does not have the dust removal effect, and some ventilation devices provided with simple filter elements completely lose the purification effect after long-time use due to inconvenient cleaning, so that the rapid air flow in a narrow space can cause dust to escape around and harm the life health of miners.

Therefore, the underground coal mine ventilation device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art ventilation unit and not possessing the dust removal effect for the dust content is high in the pit, endangers the healthy problem of miner, and the colliery ventilation unit in pit that proposes.

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

the utility model provides a colliery is ventilation unit in pit, includes the base, the lower extreme fixedly connected with supporting leg of base, the upper end fixedly connected with purifying box of base, there are intake pipe and blast pipe lower extreme and the upper end difference fixed mounting of purifying box, the upper end fixed mounting of blast pipe has the air exhauster, be equipped with the slope setting, the circular shape filter screen in the purifying box, fixedly connected with rotates the piece in the purifying box, the filter screen rotates the lower extreme of installing at rotating the piece, the upside of filter screen still is equipped with the cleaning piece, the bottom of base and purifying box is equipped with the dust removal mouth that corresponds, the downside fixed mounting of dust removal mouth has the dust collection box.

Preferably, the upside of intake pipe is equipped with the dust board, the dust board slope sets up, the upper end of dust board is fixed on the inside wall upper and lower extreme of purifying box and is extended to directly over the dust removal mouth.

Preferably, the inside wall fixedly connected with annular seal piece of purifying box, be equipped with the ring channel that corresponds with the filter screen on the inside wall of annular seal piece.

Preferably, the rotating part comprises a rotating shaft, a sealing sleeve and a fixing frame, the sealing sleeve penetrates through and is fixed on the side wall of the purifying box, the rotating shaft penetrates through the sealing sleeve and is arranged, the fixing frame is fixedly connected to the inner side wall of the purifying box, the rotating shaft is fixedly installed on the fixing frame, the lower end of the rotating shaft is fixedly connected to the center of the filter screen, and the rotating shaft and the filter screen are coaxially arranged.

Preferably, the upper end of the rotation shaft extends to the outside of the purification box and is fixedly connected with a handle.

Preferably, clean the piece and constitute by brush head, threaded sleeve and threaded rod, threaded rod runs through fixed connection on the lateral wall of purifying box, the threaded rod runs through and threaded connection is in the threaded sleeve, the lower extreme of threaded rod with brush head rotate be connected, the upper end runs through to the outside setting of purifying box, the threaded rod is parallel with the pivot.

Compared with the prior art, the beneficial effects of the utility model are that:

by arranging the filter screen, air can be filtered on the basis of realizing ventilation, so that a dust removal effect is achieved, and the filter screen is obliquely arranged, so that the floor area of the device can be reduced, and the filtering effect is improved; through setting up the cleaning piece, be convenient for clean the filter screen, can improve the effect that the filter screen lasts the dust removal, can also reduce the circulation resistance of air current.

Drawings

Fig. 1 is a schematic structural view of a coal mine underground ventilation device provided by the utility model;

FIG. 2 is a schematic structural view of a rotating member and a filter screen in the underground ventilation device for a coal mine according to the present invention;

fig. 3 is a schematic structural view of a cleaning element in a ventilation device in a coal mine.

In the figure: 1 base, 2 supporting legs, 3 purifying boxes, 4 air inlet pipes, 5 exhaust pipes, 6 exhaust fans, 7 filter screens, 8 rotating parts, 9 cleaning parts, 10 dust removing openings, 11 dust collecting boxes, 12 dust blocking plates, 13 annular sealing blocks, 14 rotating shafts, 15 sealing sleeves, 16 fixing frames, 17 handles, 18 brush heads, 19 threaded sleeves and 20 threaded rods.

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 colliery is ventilation unit in pit, including base 1, the lower extreme fixedly connected with supporting leg 2 of base 1, the upper end fixedly connected with purifying box 3 of base 1, the lower extreme and the upper end of purifying box 3 respectively fixed mounting have intake pipe 4 and blast pipe 5, the upper end fixed mounting of blast pipe 5 has air exhauster 6, be equipped with the slope setting in the purifying box 3, circular shape filter screen 7, the area of contact of filter screen 7 and air is great, and because filter screen 7 slope sets up, compare in traditional ventilation unit, can reduce the area of whole device again.

The inside wall fixedly connected with annular seal piece 13 of purifying box 3 is equipped with the ring channel that corresponds with filter screen 7 on the inside wall of annular seal piece 13, utilizes annular seal piece 13 to keep purifying box 3 and filter screen 7 airtight, realizes better dirt effect of straining.

Fixedly connected with rotates piece 8 in purifying box 3, filter screen 7 rotates and installs the lower extreme at rotating piece 8, it includes pivot 14 to rotate piece 8, seal cover 15 and mount 16, seal cover 15 runs through to be fixed on the lateral wall of purifying box 3, pivot 14 runs through seal cover 15 setting, mount 16 fixed connection is on the inside wall of purifying box 3, pivot 14 fixed mounting is on mount 16, the lower extreme fixed connection of pivot 14 is in the center department of filter screen 7, pivot 14 and the coaxial setting of filter screen 7, can drive filter screen 7 through rotating pivot 14 and rotate.

The upper end of the rotating shaft 14 extends to the outside of the purifying box 3 and is fixedly connected with a handle 17, so that the operation of an operator is facilitated.

The upside of filter screen 7 still is equipped with cleans 9, clean 9 by brush head 18, threaded sleeve 19 and threaded rod 20 are constituteed, threaded rod 20 runs through fixed connection on the lateral wall of purifying box 3, threaded rod 20 runs through and threaded connection is in threaded sleeve 19, threaded rod 20's lower extreme and brush head 18 rotate to be connected, the upper end runs through to the outside setting of purifying box 3, it should explain, brush head 18 accessible bearing etc. realize being connected with threaded rod 20's rotation, and make brush head 18 only can rotate round threaded rod 20's axis, threaded rod 20 is parallel with pivot 14, can adjust the position of brush head 18 through rotating threaded rod 20, the realization is to the regulation of filter screen 7 equidimension not.

The bottom of base 1 and purifying box 3 is equipped with corresponding dust removal mouth 10, and the downside fixed mounting of dust removal mouth 10 has dust collection box 11, through setting up dust removal mouth 10, can collect the dust to the downside in dust collection box 11, is convenient for carry out recovery processing to the dust.

Further, the upside of intake pipe 4 is equipped with dust board 12, and dust board 12 slope sets up, and the upper end of dust board 12 is fixed and is extended to the dust removal mouth 10 directly over on the inside wall of purifying box 3, the lower extreme, can be when ventilation unit closes, and the dust falls into in the intake pipe 4 again.

Now, the operation principle of the present invention is described as follows:

the utility model discloses when using, the air current is got into purifying box 3 in by intake pipe 4, when passing filter screen 7, and the dust is blockked in the below of filter screen 7, and the air current after the purification is discharged by blast pipe 5, has realized the effect of ventilation and dust removal.

When the filter screen 7 needs to be cleaned, the threaded rod 20 is firstly rotated to enable the brush head 18 to abut against the lower side of the filter screen 7, then the handle 17 is rotated, the handle 17 drives the filter screen 7 to rotate through the rotating shaft 14, so that the filter screen 7 and the brush head 18 are relatively displaced, the brush head 18 can clean dust on the filter screen 7, and finally the dust is collected in the dust collection box 11 along the opened dust removal opening 10.

After cleaning is finished, the threaded rod 20 is rotated to separate the brush head 18 from the filter screen 7.

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. A coal mine underground ventilation device comprises a base (1) and is characterized in that the lower end of the base (1) is fixedly connected with a supporting leg (2), the upper end of the base (1) is fixedly connected with a purifying box (3), the lower end and the upper end of the purifying box (3) are respectively and fixedly provided with an air inlet pipe (4) and an exhaust pipe (5), an exhaust fan (6) is fixedly arranged at the upper end of the exhaust pipe (5), a circular filter screen (7) which is obliquely arranged is arranged in the purification box (3), the purifying box (3) is internally and fixedly connected with a rotating part (8), the filter screen (7) is rotatably arranged at the lower end of the rotating part (8), the upper side of the filter screen (7) is also provided with a cleaning piece (9), the bottoms of the base (1) and the purification box (3) are provided with corresponding dust removal openings (10), and the lower side of each dust removal opening (10) is fixedly provided with a dust collection box (11).

2. The coal mine underground ventilation device according to claim 1, characterized in that a dust baffle plate (12) is arranged on the upper side of the air inlet pipe (4), the dust baffle plate (12) is obliquely arranged, and the upper end of the dust baffle plate (12) is fixed on the inner side wall of the purification box (3) and the lower end of the dust baffle plate extends to a position right above the dust removal port (10).

3. The coal mine underground ventilation device according to claim 1, characterized in that an annular sealing block (13) is fixedly connected to the inner side wall of the purification box (3), and an annular groove corresponding to the filter screen (7) is formed in the inner side wall of the annular sealing block (13).

4. The coal mine underground ventilation device according to claim 1, characterized in that the rotating member (8) comprises a rotating shaft (14), a sealing sleeve (15) and a fixing frame (16), wherein the sealing sleeve (15) is fixedly penetrated on the side wall of the purifying box (3), the rotating shaft (14) is arranged by penetrating the sealing sleeve (15), the fixing frame (16) is fixedly connected on the inner side wall of the purifying box (3), the rotating shaft (14) is fixedly arranged on the fixing frame (16), the lower end of the rotating shaft (14) is fixedly connected at the center of the filter screen (7), and the rotating shaft (14) and the filter screen (7) are coaxially arranged.

5. The coal mine underground ventilation device according to claim 4, characterized in that the upper end of the rotating shaft (14) extends to the outside of the purifying box (3) and is fixedly connected with a handle (17).

6. The coal mine underground ventilation device according to claim 4, characterized in that the cleaning piece (9) is composed of a brush head (18), a threaded sleeve (19) and a threaded rod (20), the threaded rod (20) penetrates through and is fixedly connected to the side wall of the purification box (3), the threaded rod (20) penetrates through and is in threaded connection with the threaded sleeve (19), the lower end of the threaded rod (20) is rotatably connected with the brush head (18), the upper end of the threaded rod penetrates through the outer portion of the purification box (3), and the threaded rod (20) is parallel to the rotating shaft (14).