CN220955686U - Mine ventilation air methane waste heat utilization rapid air reversing valve system - Google Patents
Mine ventilation air methane waste heat utilization rapid air reversing valve system Download PDFInfo
- Publication number
- CN220955686U CN220955686U CN202323127987.7U CN202323127987U CN220955686U CN 220955686 U CN220955686 U CN 220955686U CN 202323127987 U CN202323127987 U CN 202323127987U CN 220955686 U CN220955686 U CN 220955686U
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- air
- ventilation
- door
- mine
- methane
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- 238000009423 ventilation Methods 0.000 title claims abstract description 105
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- 239000003245 coal Substances 0.000 claims abstract description 33
- 238000000605 extraction Methods 0.000 claims abstract description 20
- 238000009792 diffusion process Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Ventilation (AREA)
Abstract
The utility model discloses a rapid reverse air door system for mine ventilation air methane waste heat utilization, and belongs to the technical field of coal mine ventilation air methane recycling; comprises a coal mine ventilator inlet air channel, a coal mine ventilator outlet air channel, a ventilation diffusion tower and a ventilation air heat extraction chamber which are sequentially connected; a ventilation air methane heat extraction box is arranged in the ventilation air methane heat extraction chamber; the outlet of the ventilation diffusion tower is provided with a primary reverse air door; the top of the ventilation air heat-extracting chamber is provided with a secondary air return door; the primary air reversing door and the secondary air reversing door are respectively connected with a PLC control system, and the PLC control system is connected with a coal mine ventilator; according to the utility model, the primary air return door and the secondary air return door are arranged and interlocked with the coal mine ventilator, so that when an accident occurs in a mine, the primary air return door and the secondary air return door are automatically interlocked with the coal mine ventilator and are quickly and automatically opened, the resistance when the ventilation is performed from the ventilation air heat extraction chamber is reduced, and the ventilation safety of the mine is ensured.
Description
Technical Field
The utility model belongs to the technical field of coal mine ventilation air methane recycling, and particularly relates to a rapid reverse ventilation door system for mine ventilation air methane waste heat utilization.
Background
The coal mine ventilation air methane waste heat utilization system is a modern energy utilization technology, and can effectively utilize waste heat generated in industrial production for reuse, so that the purposes of reducing energy consumption and improving energy utilization efficiency are achieved, and the system is widely applied to heating of ground buildings in industrial squares, freezing prevention of shafts, bathing hot water and the like. The ventilation air heat extraction chamber of the ventilation air waste heat utilization system is usually built at the outlet of a diffusion tower of a ventilation air return well, and the ventilation air return well is used as an important component of mine ventilation, so that the safety of underground operators and mine production is related. When an accident occurs in the mine, the mine ventilator needs to realize reverse rotation and reverse air supply within 10 min. The return air shaft needs air inlet to be used as an air inlet shaft to realize the counter wind, and at the moment, the ventilation air heat-taking chamber increases the air inlet resistance, so that the ventilation safety is affected. At present, a ventilation air methane heat-extracting chamber is not provided with a reverse air door, and the problem that the resistance of the reverse air methane passing through a ventilation air methane heat-extracting box is large exists.
Disclosure of utility model
The utility model overcomes the defects of the prior art and provides a rapid reverse air door system for mine ventilation air waste heat utilization.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme.
A rapid reverse ventilation door system for mine ventilation air waste heat utilization comprises a coal mine ventilator inlet air channel, a coal mine ventilator outlet air channel, a ventilation diffusion tower and a ventilation air heat removal chamber which are sequentially connected; a ventilation air methane heat extraction box is arranged in the ventilation air methane heat extraction chamber; the outlet of the ventilation diffusion tower is provided with a primary reverse air door; the top of the ventilation air heat-extracting chamber is provided with a secondary air return door; the primary air reversing door and the secondary air reversing door are respectively connected with a PLC control system, and the PLC control system is connected with a coal mine ventilator.
Further, the primary air reversing door and the secondary air reversing door are respectively connected with a compressed air system through electromagnetic valves.
Further, the compressed air system is provided with an air compressor and an air storage tank, and compressed air is provided for the primary air reversing door and the secondary air reversing door.
Further, a wind-shielding wall is arranged on the outer side of the ventilation air heat-taking box.
Further, two heat-taking channels are connected between the ventilation air methane channel and the ventilation air methane heat-taking chamber, and each heat-taking channel comprises a ventilation air methane inlet air flue, a ventilation air methane outlet air flue and a ventilation diffusion tower which are sequentially connected; the coal mine ventilation air passage is connected with the coal mine ventilator inlet air passage.
Compared with the prior art, the utility model has the following beneficial effects:
According to the rapid air reversing door system for the waste heat utilization of the ventilation air of the mine, the primary air reversing door and the secondary air reversing door are arranged and are interlocked with the ventilation air machine of the mine, when an accident occurs in the mine, the primary air reversing door and the secondary air reversing door are automatically interlocked with the ventilation air machine of the mine and are opened rapidly and automatically, the resistance when the ventilation air is reversed from the ventilation air heat extracting chamber is reduced, and the ventilation safety of the mine is ensured.
When the ventilation air waste heat is utilized, the primary air return door and the secondary air return door are automatically interlocked with the coal mine ventilator, so that the ventilation safety of the mine is ensured.
Drawings
Fig. 1 is a front view of a mine ventilation air methane waste heat utilization rapid reverse air door system.
Fig. 2 is a top view of the mine ventilation air methane residual heat utilization rapid reverse air door system.
In the figure:
1-an inlet air duct of a coal mine ventilator; 2-a coal mine ventilator; 3-an outlet air duct of the coal mine ventilator; 4-a ventilation diffusion tower; 5-a primary air return door; 6-a secondary air return door; 7-a ventilation air methane heat extraction box; 8-a wind shielding wall; 9-a compressed air system; 91-an air compressor; 92-gas storage tanks; 10-PLC control system; 11-a ventilation air methane heat extraction chamber; 12-coal mine ventilation air passage.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. The following describes the technical scheme of the present utility model in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
1-2, The embodiment provides a rapid reverse ventilation door system for mine ventilation air methane waste heat utilization, which comprises a coal mine ventilation air methane channel 12 and a ventilation air methane heat extraction chamber 11; two heat-taking channels are connected between the ventilation air methane channel 12 and the ventilation air methane heat-taking chamber 11, and each heat-taking channel comprises a ventilation air methane inlet air flue 1, a ventilation air methane 2, a ventilation air methane outlet air flue 3 and a ventilation diffusion tower 4 which are sequentially connected; the coal mine ventilation air passage 12 is connected with the coal mine ventilator inlet air passage 1. The outlet of the ventilation diffusion tower 4 is connected with a ventilation air heat-extracting chamber 11; the ventilation air heat collection chamber 11 is internally provided with a ventilation air heat collection box 7.
The outlet of the ventilation diffusion tower 4 is provided with a primary reverse air door 5; the top of the ventilation air methane heat-extracting chamber 11 is provided with a secondary air reversing door 6; the primary air reversing door 5 and the secondary air reversing door 6 are respectively connected with a PLC control system 10, and the PLC control system 10 is connected with the coal mine ventilator 2. The PLC control system 10 realizes the interlocking control of the primary air reversing door 5, the secondary air reversing door 6 and the coal mine ventilator 2.
The primary air return door 5 and the secondary air return door 6 are both pneumatic execution mechanisms.
The pneumatic actuator is a compressed air system 9. The compressed air system 9 is provided with an air compressor 91 and an air tank 92 to supply compressed air to the primary and secondary air reversing doors 5 and 6.
The outside of ventilation air heat extraction box 7 is provided with wind-break wall 8. Is used for blocking outdoor cold air from directly blowing and influencing the heat exchange effect of the ventilation air heat-taking box.
The primary air return door 5 and the secondary air return door 6 are provided with manual operation handwheels, and can be manually operated when the automatic failure occurs.
The specific working principle is as follows:
The primary air return door 5 is interlocked with the corresponding coal mine ventilator 2. When one of the coal mine ventilators 2 operates, the corresponding primary air return door 5 is opened, the ventilation air primary air return door 5 is connected with the ventilation air heat extraction box 7, and ventilation air is utilized. When the coal mine ventilator 2 stops running, the corresponding primary air return door 5 is closed, so that ventilation air is prevented from forming a short circuit and entering the well again.
The secondary air reversing door 6 is arranged at the top of the heat extraction chamber, so that the secondary air reversing door 6 is not directly connected with the ventilation air heat extraction box 7, when an accident occurs in a mine, the mine ventilator 2 needs to be reversed within 10 minutes, the primary air reversing door 5 and the secondary air reversing door 6 are interlocked with the mine ventilator 2, before the mine ventilator 2 reversely blows air, the primary air reversing door 5 and the secondary air reversing door 6 are opened, the reversely blown air enters the ventilation diffusion tower 4 through the secondary air reversing door 6 and the primary air reversing door 5, the outlet air channel 3 of the coal mine ventilator, and the reversely blown air does not pass through the ventilation air heat extraction box 7, so that the air intake resistance is reduced.
While the utility model has been described in detail in connection with specific preferred embodiments thereof, it is not to be construed as limited thereto, but rather as a result of a simple deduction or substitution by a person having ordinary skill in the art to which the utility model pertains without departing from the scope of the utility model defined by the appended claims.
Claims (6)
1. A rapid reverse ventilation door system for mine ventilation air waste heat utilization comprises a coal mine ventilator inlet air channel (1), a coal mine ventilator (2), a coal mine ventilator outlet air channel (3), a ventilation diffusion tower (4) and a ventilation air heat extraction chamber (11) which are sequentially connected; a ventilation air methane heat collection box (7) is arranged in the ventilation air methane heat collection chamber (11); the device is characterized in that a primary air return door (5) is arranged at the outlet of the ventilation diffusion tower (4); the top of the ventilation air heat extraction chamber (11) is provided with a secondary air return door (6); the primary air reversing door (5) and the secondary air reversing door (6) are respectively connected with a PLC control system (10), and the PLC control system (10) is connected with the coal mine ventilator (2).
2. The mine ventilation air methane residual heat utilization rapid air reversing valve system according to claim 1, wherein the primary air reversing valve (5) and the secondary air reversing valve (6) are connected with pneumatic actuating mechanisms.
3. The rapid back ventilation door system for mine ventilation air methane waste heat utilization according to claim 2, wherein the pneumatic actuating mechanism is a compressed air system (9), the compressed air system (9) is provided with an air compressor (91) and an air storage tank (92), and compressed air is provided for the primary back ventilation door (5) and the secondary back ventilation door (6).
4. The rapid back ventilation door system for mine ventilation air methane waste heat utilization according to claim 1, wherein a wind shielding wall (8) is arranged on the outer side of the ventilation air methane heat collection box (7).
5. The rapid back ventilation door system for mine ventilation air methane waste heat utilization according to claim 1 is characterized in that two heat extraction channels are connected between a mine ventilation air methane channel (12) and a ventilation air methane heat extraction chamber (11), and each heat extraction channel comprises a mine ventilator inlet air channel (1), a mine ventilator (2), a mine ventilator outlet air channel (3) and a ventilation diffusion tower (4) which are sequentially connected; the coal mine ventilation air passage (12) is connected with the coal mine ventilator inlet air passage (1).
6. The mine ventilation air methane residual heat utilization rapid air reversing valve system according to claim 1, wherein the primary air reversing valve (5) and the secondary air reversing valve (6) are provided with manual operation handwheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323127987.7U CN220955686U (en) | 2023-11-20 | 2023-11-20 | Mine ventilation air methane waste heat utilization rapid air reversing valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323127987.7U CN220955686U (en) | 2023-11-20 | 2023-11-20 | Mine ventilation air methane waste heat utilization rapid air reversing valve system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955686U true CN220955686U (en) | 2024-05-14 |
Family
ID=91018345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323127987.7U Active CN220955686U (en) | 2023-11-20 | 2023-11-20 | Mine ventilation air methane waste heat utilization rapid air reversing valve system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955686U (en) |
-
2023
- 2023-11-20 CN CN202323127987.7U patent/CN220955686U/en active Active
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