CN219262422U

CN219262422U - Ventilation assembly for coal mining

Info

Publication number: CN219262422U
Application number: CN202320316901.6U
Authority: CN
Inventors: 尹大明; 张贺; 李桂平; 杨华; 于涛; 刘西文
Original assignee: Feicheng Baizhuang Coal Mine Co ltd
Current assignee: Feicheng Baizhuang Coal Mine Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-06-27
Anticipated expiration: 2033-02-27

Abstract

Colliery exploitation ventilation unit relates to colliery exploitation technical field, through being convenient for change the dust screen and wash the filter screen, reaches effective dustproof and avoid the effect that the gas circuit blockked up. Including air pipe, dust screen, dust collection box, filter screen and clean unit, the air pipe front end stretches into in the tunnel, and the air pipe front end includes air inlet section and changeover portion, and the upper end and the air pipe main part of changeover portion are connected, and the dust screen is located air inlet section front end and can dismantle with the air inlet section and be connected, and the bottom of air inlet section rear end has the through-hole, and the dust collection box is located the through-hole below, and the filter screen is inserted and is put in the changeover portion, and clean unit includes water pump and shower nozzle, the water pump is fixed at the top of changeover portion, and the liquid outlet of water pump has the shower nozzle, the shower nozzle passes the roof of changeover portion towards the filter screen, the inlet connection of water pump has the water pipe. The utility model is convenient for disassembling and dedusting the dustproof net, and cleaning the filter screen, thereby ensuring the smoothness of the air path and ensuring the cleaning of the air moving out of the roadway.

Description

Ventilation assembly for coal mining

Technical Field

The utility model relates to the technical field of coal mining, in particular to a ventilation assembly for coal mining.

Background

In the coal mining process, ventilation is necessary for the tunnel, so that gas in the tunnel can be discharged, and sufficient oxygen can be supplemented into the tunnel. In the ventilation process, coal dust is mixed in the air, and in order to purify the air discharged out of the tunnel, a dust screen is usually required to be arranged in a ventilation pipeline so as to reduce the dust discharged out of the tunnel. But along with the continuous progress of coal exploitation, the dust screen can appear blockking up, at this moment needs to carry out timely clearance to the dust screen, and current clearance mode generally uses the brush to clean the dust screen, but the dust that the dust screen was swept down can follow the air pipe and discharge the tunnel under the fan effect.

Disclosure of Invention

The utility model aims to provide a ventilation assembly for coal mining, which can achieve the effects of effectively preventing dust and avoiding air channel blockage by facilitating the replacement of a dust screen and the cleaning of a filter screen.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a colliery exploitation ventilation assembly, includes air pipe, dust screen, dust collection box, filter screen and clean unit, the tunnel is drawn forth to air pipe's rear end, air pipe's front end stretches into the coal exploitation face in the tunnel, air pipe's front end includes air inlet section and changeover portion, the changeover portion slope sets up and the lower extreme and the air inlet section rear end of changeover portion are connected, the upper end and the air pipe main part of changeover portion are connected, the dust screen is located the front end of air inlet section and can dismantle with the air inlet section and be connected, the bottom of air inlet section rear end has the through-hole, the dust collection box is located the through-hole below and contacts sealedly with the air inlet section bottom, the filter screen is inserted in the changeover portion, clean unit includes water pump and shower nozzle, the top at the changeover portion of changeover portion is fixed to the water pump, the liquid outlet of water pump has the shower nozzle, the roof that the changeover portion passed the changeover portion is towards the filter screen, the inlet of water pump is connected with the water pipe.

Further, the dustproof net is sleeved at the front end of the air inlet section.

Further, the dustproof net and the air inlet section are detachably connected through a locking pin, the side wall of the dustproof net and the side wall of the air inlet section are respectively provided with a threaded hole, and the outer wall of the locking pin is provided with external threads matched with the threaded holes.

Further, the bottom of the air inlet section is provided with a box body, the box body is of a cuboid structure with an open top surface and an open left end surface, and the dust collecting box is inserted into the box body.

Further, the upper wall and the lower wall of the transition section are both provided with mounting rails, the filter screen is connected with the mounting rails in a plug-in mode, and the left end face of the transition section is provided with a side hole for the filter screen to pass through.

Further, the liquid inlet of the water pump is also connected with a cleaner pipe, and the oil removal cleaner is supplied into the water pump through the cleaner pipe.

Further, the upper end of the transition section is connected with the ventilation pipeline body in a plugging manner.

Further, the ventilating duct comprises a plurality of duct sections which are sequentially arranged from front to back, one end of each duct section is provided with a socket, the other end of each duct section is provided with an interface, two adjacent duct sections are arranged, and the socket of one duct section is in plug-in connection with the interface of the other duct section.

Further, the top of the front end of the air inlet section is provided with a slot, and the dustproof net is inserted into the slot.

The beneficial effects of the utility model are as follows: according to the utility model, the dust screen is arranged at the air inlet section at the front end of the ventilating duct, so that a first interception of dust is formed; a filter screen is arranged at the transition section of the front end of the ventilating duct to form a second interception of dust, and the air discharged out of the roadway through the rear end of the ventilating duct is ensured to contain less dust through the two interception; through the setting of cleaning element, wash the cleanness to the filter screen. The dust screen is detachably arranged at the forefront end of the ventilating duct, so that the dust screen is convenient to detach and clean, and the smoothness of the air passage is ensured.

Drawings

FIG. 1 is a three-dimensional view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a left side view of the present utility model

FIG. 4 is a cross-sectional view of the present utility model;

FIG. 5 is a schematic illustration of the connection of two adjacent pipe sections;

FIG. 6 is a schematic illustration of a dust screen plug connection with an air intake section;

in the figure: 1 ventilating duct, 11 transition section, 12 air inlet section, 13 installing rail, 14 through hole, 15 pipe section, 16 socket, 17 interface, 18 slot, 2 dust screen, 21 mesh, 22 locking pin, 3 box body, 31 dust collection box, 32 first handle, 4 filter screen, 41 second handle, 5 water pump, 51 water pipe, 52 cleaner pipe, 53 shower nozzle.

Detailed Description

As shown in fig. 1 to 6, the present utility model includes a ventilating duct 1, a dust screen 2, a dust box 31, a filter screen 4, and a cleaning unit, and is described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the ventilation assembly for coal mining comprises a ventilation pipeline 1, a dust screen 2, a dust collecting box 31, a filter screen 4 and a cleaning unit, wherein a roadway is led out from the rear end of the ventilation pipeline 1, the front end of the ventilation pipeline 1 stretches into a coal mining surface in the roadway, the front end of the ventilation pipeline 1 comprises an air inlet section 12 and a transition section 11, the transition section 11 is obliquely arranged, the lower end of the transition section 11 is connected with the rear end of the air inlet section 12, the upper end of the transition section 11 is connected with the main body of the ventilation pipeline 1, the dust screen 2 is positioned at the front end of the air inlet section 12 and is detachably connected with the air inlet section 12, and the dust screen 2 is provided with meshes 21. As shown in fig. 1, the dust screen 2 is sleeved at the front end of the air inlet section 12, the dust screen 2 is detachably connected with the air inlet section 12 through a locking pin 22, threaded holes are formed in the side wall of the dust screen 2 and the side wall of the air inlet section 12, and external threads matched with the threaded holes are formed in the outer wall of the locking pin 22. After the dustproof net 2 is sleeved at the front end of the air inlet section 12, the locking pin 22 is screwed into the threaded hole, so that the dustproof net 2 and the air inlet section 12 are assembled. As shown in fig. 4, the bottom of the air inlet section 12 has a box body 3, the box body 3 has a rectangular parallelepiped structure with an open top surface and a left end surface, and a dust box 31 is inserted into the box body 3. The bottom of air inlet section 12 rear end has through-hole 14, and dust collection box 31 is located the through-hole below and contacts sealedly with air inlet section 12 bottom, and filter screen 4 inserts and put in changeover portion 11, and changeover portion 11's upper wall and lower wall all have mounting rail 13, and filter screen 5 and mounting rail 13 grafting are connected, and changeover portion 11 left end face has the side opening that supplies filter screen 4 to pass. When in installation, the filter screen 4 is inserted between the two installation rails 13 after passing through the side holes. The cleaning unit includes water pump 5 and shower nozzle 53, and water pump 5 is fixed at the top of changeover portion 11, and the liquid outlet of water pump 5 has shower nozzle 53, and shower nozzle 53 passes the roof of changeover portion 11 towards filter screen 4, and the inlet of water pump 5 is connected with water pipe 51. Tap water enters the water pump 5 through the water pipe 51, then enters the nozzle 53 through the water pump 5, is sprayed on the filter screen 4 after being sprayed out of the nozzle 53, and further cleans the filter screen 4. The dust box 31 is substantially a rectangular parallelepiped with an open top, and as shown in fig. 3, the dust box 31 has a first handle 32 on a left end surface thereof to facilitate the holding of the dust box 31. The left end face of the filter screen 4 has a second handle 41 to facilitate holding of the filter screen 4.

As shown in fig. 3, a cleaner pipe 52 is also connected to the liquid inlet of the water pump 5, and a degreasing cleaner is supplied into the water pump 5 through the cleaner pipe 52. The tap water is supplied to the water pump 5 through the water pipe 51, and the detergent is supplied to the water pump through the detergent pipe 52, and the detergent and the water are mixed and sprayed on the screen 4 to clean the screen 4.

As shown in fig. 5, the upper end of the transition piece 11 is connected with the main body of the ventilation duct 1 in a plugging manner. The ventilating duct 1 comprises a plurality of duct sections 15 which are sequentially arranged from front to back, one end of each duct section 15 is provided with a socket 16, the other end of each duct section 15 is provided with a connector 17, two adjacent duct sections 15 are arranged, and the socket 16 of one duct section 15 is in plug-in connection with the connector 17 of the other duct section 15. The ventilation duct 1 is composed of a plurality of duct sections 15, which is convenient for installation. With the advance of the exploitation surface, when the ventilation pipeline 1 needs to be prolonged, the transition section 11 and the air inlet section 12 can be detached from the main body of the ventilation pipeline 1, the pipeline section 15 is added at the front end of the ventilation pipeline 1, and then the transition section 11 and the air inlet section 12 are added at the front end of the ventilation pipeline 1.

As shown in fig. 6, the air inlet section 12 may also be connected with the dust screen 2 in a plugging manner, the top of the front end of the air inlet section 12 is provided with a slot 18, and the dust screen 2 is plugged into the slot 18. When the dust screen 2 needs to be cleaned, the dust screen 2 is lifted out of the slot 18 from bottom to top, and then cleaned.

According to the utility model, the dust screen is arranged at the air inlet section at the front end of the ventilating duct, so that a first interception of dust is formed; a filter screen is arranged at the transition section of the front end of the ventilating duct to form a second interception of dust, and the air discharged out of the roadway through the rear end of the ventilating duct is ensured to contain less dust through the two interception; through the setting of cleaning element, wash the cleanness to the filter screen. The dust screen is detachably arranged at the forefront end of the ventilating duct, so that the dust screen is convenient to detach and clean.

Claims

1. The utility model provides a colliery exploitation ventilation assembly, its characterized in that, includes air pipe, dust screen, dust collection box, filter screen and clean unit, the tunnel is drawn forth to air pipe's rear end, air pipe's front end stretches into the coal exploitation face in the tunnel, air pipe's front end includes air inlet section and changeover portion, the changeover portion slope sets up and the lower extreme and the air inlet section rear end of changeover portion are connected, the upper end and the air pipe main part of changeover portion are connected, the dust screen is located air inlet section's front end and can dismantle with the air inlet section and be connected, air inlet section rear end's bottom has the through-hole, the dust collection box is located the through-hole below and contacts sealedly with air inlet section bottom, the filter screen is inserted and is put in the changeover portion, clean unit includes water pump and shower nozzle, the water pump is fixed at the top of changeover portion, the liquid outlet of water pump has the shower nozzle, the roof that the changeover portion passed the changeover portion towards the filter screen, the inlet of water pump is connected with the water pipe.

2. The coal mining ventilation assembly of claim 1, wherein the dust screen is sleeved at a forward end of the air intake section.

3. The coal mining ventilation assembly of claim 2, wherein the dust screen is detachably connected to the air inlet section by a locking pin, the dust screen side wall and the air inlet section side wall each have a threaded hole, and the locking pin outer wall has external threads that mate with the threaded holes.

4. The coal mining ventilation assembly of claim 1, wherein the bottom of the air intake section has a box body, the box body has a rectangular parallelepiped structure with an open top surface and a left end surface, and the dust collection box is inserted into the box body.

5. The coal mining ventilation assembly of claim 1, wherein the upper and lower walls of the transition section each have a mounting rail, the screen is plug-in connected to the mounting rails, and the left end face of the transition section has a side hole through which the screen passes.

6. The coal mining ventilation assembly of claim 1, wherein the water pump inlet is further connected to a cleaner tube through which a degreasing cleaner is supplied into the water pump.

7. A coal mining ventilation assembly according to claim 1, wherein the upper end of the transition section is in plug connection with the ventilation duct body.

8. The coal mining ventilation assembly of claim 7, wherein the ventilation duct includes a plurality of duct sections arranged one behind the other, each of the duct sections having a socket at one end, each of the duct sections having an interface at the other end, and two adjacent duct sections, wherein the socket of one of the duct sections is in plug-in connection with the interface of the other duct section.

9. The coal mining ventilation assembly of claim 1, wherein the top of the air intake section front end has a slot, and the dust screen is inserted into the slot.