CN211549757U - Unpowered air cooling device for coal face - Google Patents
Unpowered air cooling device for coal face Download PDFInfo
- Publication number
- CN211549757U CN211549757U CN201921000496.7U CN201921000496U CN211549757U CN 211549757 U CN211549757 U CN 211549757U CN 201921000496 U CN201921000496 U CN 201921000496U CN 211549757 U CN211549757 U CN 211549757U
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- China
- Prior art keywords
- air
- coal face
- guide plate
- door
- surface cooler
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 41
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000005507 spraying Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 206010019345 Heat stroke Diseases 0.000 description 1
- 208000007180 Sunstroke Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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Abstract
The utility model relates to a coal face is with unpowered air cooling device comprises surface cooler, guide plate, spray set, filter, air door, inlet tube, wet return. The utility model discloses arrange the air intake at the mine, the hot-air passes through the surface cooler process of guide plate follow both sides, and the air after handling flows away from the air cooler both sides, reaches the purpose that carries out the cooling of full amount of wind to the mine air. The utility model discloses need not to install the fan, can not consider explosion-proof requirement, have obvious economic benefits and social.
Description
Technical Field
The utility model relates to a mine aeration cooling's a coal face uses unpowered air cooling device belongs to the mine field of cooling.
Technical Field
With the increase of the demand of coal in China, shallow resources are gradually reduced, the mining depth of a mine is continuously improved, and the problem of thermal damage of the mine is obvious. The underground high-temperature and high-humidity climate environment generates too high thermal stress, damages the heat balance of human bodies, causes discomfort and even causes sunstroke of workers, leads to increase of accident rate and reduction of productivity, and seriously affects the safety production of coal and the health of workers.
In order to improve the working environment in a mine and improve the working efficiency and the safety benefit, when the problem of thermal hazard cannot be effectively solved by using aeration cooling, the mine must be cooled by adopting a mechanical refrigeration method. At present, a water cooling system is generally adopted in a mine cooling method, namely, a refrigerating unit is arranged on the ground or underground to prepare low-temperature chilled water, the low-temperature chilled water is conveyed to a use place through a pipeline, and finally, air entering a working face is cooled and dehumidified through an air cooler arranged at the underground use place, so that the aim of improving the air environment of the operation place is fulfilled. However, the air heat exchangers used at present are all provided with power equipment such as fans, and the power equipment for mines needs to be explosion-proof, so that the problems of high investment, high operating cost, potential safety hazards and the like exist. And the problem of poor cooling effect also exists in the unable full air volume cooling to the working face that realizes.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved is to provide an unpowered air cooling device for a coal face. The technical scheme of the utility model as follows:
the unpowered air cooling device is placed in an air inlet tunnel leading to a coal face of a mine, hot air blocking the mine directly enters the coal face, the hot air of the mine sequentially flows through a filter, a guide plate and a surface cooler of the unpowered air cooling device, the hot air of the mine exchanges heat with chilled water entering the surface cooler through a water inlet pipe, the chilled water in the surface cooler absorbs heat and is heated and then flows out of the surface cooler through a water return pipe, meanwhile, the hot air in the mine releases heat and is cooled and then flows into the coal face from two sides of the air inlet tunnel, and the processes are repeated for multiple times, so that the effects of cooling and dehumidifying the coal face are achieved.
An unpowered air cooling device for a coal face comprises a surface cooler, a guide plate, a spraying device, a filter, an air door, a water inlet pipe and a water return pipe. The surface cooler, the filter and the guide plate are arranged on two sides of an air inlet roadway close to the coal face, and the material trolley can be prevented from being blocked from passing through by workers.
Furthermore, a plurality of spraying devices are respectively arranged on the left side and the right side of the surface cooler, wherein the spraying device close to one side of the central axis of the air inlet lane of the coal face is positioned on one side, far away from the central axis of the air inlet lane of the coal face, of the guide plate. The cleaning device is mainly used for cleaning the surface cooler so as to ensure the air treatment efficiency of the device.
Furthermore, a guide plate is installed on one side, close to the central axis of the coal face air inlet lane, of the surface cooler, one end of the guide plate is connected with the front air door, the other end of the guide plate is connected with the wall face of the coal face air inlet lane closest to the surface cooler through a baffle, and the guide plate is mainly used for guiding hot air to pass through the surface coolers at the two ends and flow into the face from the two sides of the coal face air inlet lane after heat exchange.
Furthermore, a filter is installed on one side, close to the central axis of the air inlet roadway of the coal face, of the guide plate. The filter is used for preventing dust in the air from entering the surface of the surface cooler, so that the heat exchange efficiency of the surface cooler is prevented from being influenced, and meanwhile, the quality of the air entering the working surface is improved; one end of the filter is connected with the front air door, and the other end of the filter is connected with the wall surface of the coal face air inlet roadway closest to the filter through the baffle.
Further, because the surface cooler is installed in the both sides in tunnel, for avoiding the direct working face that flows into from tunnel central authorities of hot-air, set up the air door in tunnel central authorities.
Furthermore, the air door consists of a front air door, a rear air door, a people-passing front door positioned on the front air door and a people-passing rear door positioned on the rear air door.
Furthermore, when the material vehicle arrives, the front air door is opened first, after the material vehicle completely enters, the front air door is closed, the rear air door is opened, and after the material vehicle passes through, the rear air door is closed.
Further, when a worker arrives, the front door of the person is opened first, after the worker enters, the front door of the person is closed, then the back door of the person is opened, and after the worker passes, the back door of the person is closed.
Further, the front air door, the rear air door, the passerby front door and the passerby rear door are preferably automatically opened and closed.
Furthermore, one end of the water inlet pipe and one end of the water return pipe are respectively connected with a water inlet and a water outlet of the surface cooler.
The beneficial effects of the utility model
(1) The utility model can realize air cooling without an explosion-proof fan, not only can reduce investment and operation cost, but also can improve the safety of the system and reduce the maintenance workload of the system;
(2) the utility model can realize the full air cooling of the working face, and can obviously improve the cooling effect compared with the non-full air cooling in the prior art;
(3) the utility model discloses install in the both sides of air inlet lane, but the air door automatic opening closes simultaneously, both can guarantee the working face cooling effect and can not hinder material car and workman's current again.
Drawings
FIG. 1 is a plan view of an unpowered air cooling device for a coal face according to the present invention;
FIG. 2 is a cross-sectional view of an unpowered air cooling device for a coal face of the present invention;
in the figure: the device comprises a surface air cooler 2, a guide plate 6, a spraying device 3, a filter 5, a front air door 9, a rear air door 8, a people passing front door 11, a people passing rear door 10, a water inlet pipe 1, a water return pipe 4 and a baffle 7.
Detailed Description
As shown in FIG. 1 and FIG. 2, the utility model discloses a coal face is with unpowered air cooling device includes surface cooler 2, guide plate 6, spray set 3, filter 5, preceding air door 9, back air door 8, passerby qianmen 11, passerby back door 10, inlet tube 1, wet return 4. The surface cooler 2, the filter 5 and the guide plate 6 are arranged on two sides of an air inlet roadway close to a coal face, and can prevent a material trolley from being blocked from passing through a worker. In this embodiment, the left side and the right side of the surface cooler 2 are respectively provided with a plurality of spraying devices 3, wherein the spraying device 3 close to one side of the central axis of the air inlet lane of the coal face is positioned on one side of the guide plate 6 far away from the central axis of the air inlet lane of the coal face. Mainly used for cleaning the surface cooler 2 to ensure the efficiency of the device for treating air.
In this embodiment, a guide plate 6 is installed on one side of the surface cooler 2 close to the central axis of the coal face air intake lane, one end of the guide plate 6 is connected with a front air door 9, and the other end of the guide plate is connected with the wall surface of the coal face air intake lane closest to the surface cooler through a baffle 7, and the guide plate is mainly used for guiding hot air to pass through the surface coolers 2 at the two ends and flow into the face from the two sides of the coal face air intake lane after heat exchange.
In this embodiment, a filter 5 is installed on one side of the deflector 6 close to the central axis of the air intake tunnel of the coal face. The filter 5 is used for preventing dust in the air from entering the surface of the surface cooler 2, so that the heat exchange efficiency is prevented from being influenced, and meanwhile, the quality of the air entering a working surface is improved; one end of the filter 5 is connected with the front air door 9, and the other end of the filter is connected with the wall surface of the coal face air inlet roadway closest to the filter through the baffle 7.
In this embodiment, when the material trolley arrives, the front air door 9 is opened first, after the material trolley completely enters, the front air door 9 is closed, the rear air door 8 is opened, and after the material trolley passes through, the rear air door 8 is closed.
In this embodiment, when a worker arrives, the manned front door 11 is opened first, and after the worker enters, the manned front door 11 is closed, and then the manned rear door 10 is opened, and after the worker passes, the manned rear door 10 is closed.
In this embodiment, the front damper 9, the rear damper 8, the passerby front door 11, and the passerby rear door 10 are preferably automatically opened and closed doors.
In this embodiment, the one end of inlet tube and wet return links to each other with the water inlet and the delivery port of surface cooler respectively.
The unpowered air cooling device is placed in an air inlet tunnel leading to a coal face of a mine, hot air blocking the mine directly enters the coal face, the hot air of the mine sequentially flows through a filter 5, a guide plate 6 and a surface cooler 2 of the unpowered air cooling device, the hot air of the mine exchanges heat with chilled water entering the surface cooler 2 through a water inlet pipe 1, the chilled water in the surface cooler 2 absorbs heat and is heated and then flows out of the surface cooler 2 through a water return pipe 4, meanwhile, the hot air in the mine releases heat and is cooled and then flows into the coal face from two sides of the air inlet tunnel, and the processes are repeated for multiple times, so that the effects of cooling and dehumidifying the coal face are achieved.
Claims (1)
1. The utility model provides a coal face is with unpowered air cooling device which characterized in that: the device comprises a surface cooler, a guide plate, spraying devices, a filter, air doors, a water inlet pipe and a water return pipe, wherein the air doors consist of a front air door, a rear air door, a manned front door positioned on the front air door and a manned rear door positioned on the rear air door, the surface cooler, the filter and the guide plate are arranged on two sides close to an air inlet lane of a coal face, the left side and the right side of the surface cooler are respectively provided with a plurality of spraying devices, the spraying device close to one side of the air inlet lane of the coal face is positioned on one side of the guide plate far away from the axle wire of the air inlet lane of the coal face, the guide plate is arranged on one side of the surface cooler close to the axle wire of the air inlet lane of the coal face, one end of the guide plate is connected with the front air door, the other end of the guide plate, one end of the filter is connected with the front air door, the other end of the filter is connected with the wall surface of the coal face air inlet roadway closest to the filter through the baffle, and one ends of the water inlet pipe and the water return pipe are respectively connected with the water inlet and the water outlet of the surface cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000496.7U CN211549757U (en) | 2019-06-28 | 2019-06-28 | Unpowered air cooling device for coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000496.7U CN211549757U (en) | 2019-06-28 | 2019-06-28 | Unpowered air cooling device for coal face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211549757U true CN211549757U (en) | 2020-09-22 |
Family
ID=72487771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921000496.7U Expired - Fee Related CN211549757U (en) | 2019-06-28 | 2019-06-28 | Unpowered air cooling device for coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211549757U (en) |
-
2019
- 2019-06-28 CN CN201921000496.7U patent/CN211549757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |