CN217897935U - Working face air adjusting device for underground tunneling of coal mine - Google Patents
Working face air adjusting device for underground tunneling of coal mine Download PDFInfo
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- CN217897935U CN217897935U CN202222423262.1U CN202222423262U CN217897935U CN 217897935 U CN217897935 U CN 217897935U CN 202222423262 U CN202222423262 U CN 202222423262U CN 217897935 U CN217897935 U CN 217897935U
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Abstract
The utility model belongs to the technical field of air regulating equipment, in particular to a working face air regulating device for underground coal mine tunneling, which comprises a water tank, a mounting rack and an air duct, wherein the mounting rack is equidistantly arranged on the surface of the water tank, and the air duct is inserted into the inner cavity of the mounting rack; the middle part of the air duct is provided with an explosion-proof shield, a fan is installed in an inner cavity of the explosion-proof shield, radiating fins are integrally formed on the outer wall of the explosion-proof shield, limiting rings are symmetrically arranged on two sides of the explosion-proof shield, water curtains are arranged on the surfaces of the limiting rings, a submersible pump is arranged in an inner cavity of the water tank, the water outlet end of the submersible pump is connected with a water guide pipe, and the end part of the water guide pipe penetrates through the wall of the air duct and is connected with the top of the water curtains; can avoid the fan to produce the risk that the spark triggered the gas explosion at the during operation to fan and air separation through explosion-proof guard shield, through carrying out the humidification to the air, can play the effect of laying down the dirt to the air of tunnelling department to reduce the dust content in the air, promote operational environment.
Description
Technical Field
The utility model relates to a transfer wind equipment technical field specifically is a working face air register for colliery is tunnelling in pit.
Background
Patent numbers: CN214944411U: the working face air adjusting device comprises an air exhaust mechanism, wherein the air exhaust mechanism comprises an exhaust fan, and connecting shells are arranged at two ends of the exhaust fan. The utility model discloses in, through starter motor two, make the plectane, fixed block and solenoid rotate, thereby make the other end of flexible hose one deflect about going on, and through starter motor one, make the rotor plate deflect, thereby make pipe and solenoid rotate, and then make the other end of flexible hose one deflect from top to bottom, and through starting hydraulic telescoping cylinder, utilize hydraulic telescoping cylinder and rotation seat to be convenient for promote and place the shell and remove, thereby the height of mechanism is bled in the adjustment, when this a working face air register for colliery is tunnelled in the pit uses, the other end of flexible hose one can carry out the adjustment of position as required, thereby the result of use of this a working face air register for the colliery is tunnelled in the pit has been increased.
The process fan that current air regulating device used is for exposing in the air, and the motor on the fan can produce the spark at the during operation, will avoid the production of all sparks when the downhole operation to lead to increasing the safety risk when using, and when adjusting wind, the air is comparatively dry, and the dust in the pit is great, can blow up the dust in the pit when adjusting wind, makes to contain a large amount of dust in the air, for solving above-mentioned problem, provides a working face air regulating device for colliery tunnelling in the pit in this application.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a working face air register for colliery is tunnelled in pit can avoid the fan to produce the risk that the spark causes the gas explosion at the during operation to the separation of fan and air through explosion-proof guard shield, through carrying out the humidification to the air, can play the effect that presses down dirt to the air of tunneling department to reduce the dust content in the air, promote operational environment.
(II) technical scheme
In order to solve the technical problem, the utility model provides a working face air adjusting device for underground coal mine tunneling, which comprises a water tank, a mounting rack and an air duct, wherein the mounting rack is equidistantly arranged on the surface of the water tank, and the air duct is inserted into the inner cavity of the mounting rack;
the water tank is characterized in that an anti-explosion shield is arranged in the middle of the air duct, a fan is installed in an inner cavity of the anti-explosion shield, radiating fins are integrally formed on the outer wall of the anti-explosion shield, limiting rings are symmetrically arranged on two sides of the anti-explosion shield, water curtains are arranged on the surfaces of the limiting rings, a submersible pump is arranged in an inner cavity of the water tank, a water outlet end of the submersible pump is connected with a water guide pipe, and end portions of the water guide pipe penetrate through the wall of the air duct and are connected with the top of the water curtains.
Preferably, an exhaust connecting flange is welded at the end part of the air duct.
Preferably, an air inlet cover is welded at one end, far away from the exhaust connecting flange, of the air duct, a filter plate is movably arranged in an inner cavity of the air inlet cover, a limiting seat is annularly arranged on the outer wall of the filter plate, a limiting groove is annularly arranged on the inner wall of the air inlet cover, and the limiting groove is matched with the limiting seat.
Preferably, the bottom of the water curtain and the surface of the bottom of the inner cavity of the air guide cylinder are provided with water collecting grooves.
Preferably, the bottom of the water collecting tank is connected with a water return pipe, and the end part of the water return pipe penetrates through the air duct and extends to the inner cavity of the water tank.
Preferably, the water tank lateral wall is equipped with the drain pipe, the water tank tip is equipped with the inlet tube, all be equipped with the control valve on inlet tube and the drain pipe.
Preferably, a liquid level observation window is embedded in one side of the drain pipe.
The above technical scheme of the utility model following profitable technological effect has:
1. the utility model discloses, extract through the water liquid of immersible pump in to the water tank and pour into water liquid through the aqueduct and carry out the cascade, through when passing from the cascade, the hydrone is adsorbable in the air molecule to the air humidity of multiplicable colliery tunnelling department in the pit, simultaneously through carrying out the humidification to the air, can play the effect that presses down dirt to the air of tunnelling department, with the dust content who reduces in the air, promote operational environment.
2. The utility model discloses, the fan is installed in explosion-proof guard shield, can avoid the fan to produce the risk that the spark causes the gas explosion at the during operation to the separation of fan and air through explosion-proof guard shield, security when can promoting the use, and the air flow rate on radiating fin surface can be quickened to the air current to promote the radiating effect to the fan.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
FIG. 3 is a schematic view of the filter plate mounting structure of the present invention;
fig. 4 is the schematic view of the fan mounting structure of the present invention.
Reference numerals are as follows:
1. a water tank; 2. a mounting frame; 3. an air duct; 4. an exhaust connecting flange; 5. an air intake hood; 6. filtering the plate; 7. a limiting ring; 8. a water curtain; 9. a submersible pump; 10. a water conduit; 11. a water collection tank; 12. a water return pipe; 13. a fan; 14. an explosion-proof shield; 15. a drain pipe; 16. a water inlet pipe; 17. and a liquid level observation window.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the utility model provides a working face air adjusting device for coal mine underground tunneling, which comprises a water tank 1, a mounting rack 2 and an air duct 3, wherein the mounting rack 2 is equidistantly installed on the surface of the water tank 1, and the air duct 3 is inserted into the inner cavity of the mounting rack 2;
the air guide duct is characterized in that an anti-explosion shield 14 is arranged in the middle of the air guide duct 3, a fan 13 is installed in an inner cavity of the anti-explosion shield 14, radiating fins are integrally formed on the outer wall of the anti-explosion shield 14, limiting rings 7 are symmetrically arranged on two sides of the anti-explosion shield 14, a water curtain 8 is arranged on the surfaces of the limiting rings 7, a submersible pump 9 is arranged in an inner cavity of the water tank 1, a water outlet end of the submersible pump 9 is connected with a water guide pipe 10, and the end portion of the water guide pipe 10 penetrates through the wall of the air guide duct 3 and is connected with the top of the water curtain 8.
It should be noted that, fresh air from the outside can be injected into the underground excavation position of the coal mine through the fan 13, the excavation position is pressurized, dirty air and harmful gas in the excavation position can be pressed out, the excavation position can be adjusted to wind, water in the water tank 1 is extracted through the submersible pump 9, and the water is injected into the water curtain 8 through the water guide pipe 10, water molecules can be adsorbed in the air molecules when passing through the water curtain 8, so that the air humidity of the underground excavation position of the coal mine can be increased, meanwhile, the air can be humidified, the air at the excavation position can be dust-suppressed, so that the dust content in the air can be reduced, the working environment can be improved, meanwhile, the fan 13 is installed in the explosion-proof shield 14, the fan 13 can be separated from the air through the explosion-proof shield 14, the risk of gas explosion caused by sparks generated when the fan 13 works can be avoided, the safety when the fan is used can be improved, the air flow can accelerate the air flow rate on the surface of the radiating fins, and the radiating effect of the fan 13 can be improved.
As shown in fig. 1 and 3, an exhaust connecting flange 4 is welded at the end of the air guide cylinder 3, an air inlet cover 5 is welded at one end of the air guide cylinder 3, which is far away from the exhaust connecting flange 4, a filter plate 6 is movably arranged in the inner cavity of the air inlet cover 5, a limiting seat is annularly arranged on the outer wall of the filter plate 6, a limiting groove is annularly arranged on the inner wall of the air inlet cover 5, and the limiting groove is matched with the limiting seat.
It should be noted that one end of the air duct 3 is connected with the exhaust pipe through the exhaust connecting flange 4, the other end is connected with the intake pipe through the intake cover 5, the filter plate 6 can be installed by the mutual matching of the limiting seat and the limiting groove in the inner cavity of the intake cover 5, and the large-particle impurities in the air can be filtered through the filter plate 6 when the air enters the intake cover 5, so that the foreign matters are prevented from being sucked into the inner cavity of the air duct 3 to damage the fan blades on the fan 13
As shown in fig. 2, water collection grooves 11 are formed in the bottom of the water curtain 8 and the surface of the bottom of the inner cavity of the air guide cylinder 3, the bottom of the water collection groove 11 is connected with a water return pipe 12, and the end of the water return pipe 12 penetrates through the air guide cylinder 3 and extends to the inner cavity of the water tank 1.
It should be noted that the water discharged from the water curtain 8 drops into the water collecting tank 11, and the water is discharged into the water tank 1 through the water return pipe 12, so as to circulate the water, thereby reducing the waste of the water.
As shown in figure 1, the lateral wall of the water tank 1 is provided with a drain pipe 15, the end part of the water tank 1 is provided with a water inlet pipe 16, the water inlet pipe 16 and the drain pipe 15 are both provided with control valves, and one side of the drain pipe 15 is inlaid with a liquid level observation window 17.
It should be noted that, the water inlet pipe 16 is connected to the water supply pipe, the water can be injected into the water inlet tank 1 through the water inlet pipe 16 for storage, the liquid level in the water tank 1 can be observed through the liquid level observation window 17, and the water in the water tank 1 can be discharged through the water discharge pipe 15 after use.
The utility model discloses a theory of operation and use flow: the bottom of the water tank 1 is provided with a self-locking universal wheel, one end can be flexible when the air guide cylinder 3 is used, the air guide cylinder 3 is fixed through the mounting rack 2, water liquid in the water tank 1 is extracted through the submersible pump 9 and is injected into the water curtain 8 through the water guide pipe 10, when the water curtain 8 passes through the water curtain, water molecules can be adsorbed in air molecules, so that the air humidity of an underground coal mine tunneling position can be increased, meanwhile, the air humidity is increased through humidifying air, the dust suppression effect can be achieved on the air at the tunneling position, the dust content in the air is reduced, the working environment is improved, meanwhile, the fan 13 is installed in the explosion-proof shield 14, the fan 13 can be separated from the air through the explosion-proof shield 14, the risk that the gas explosion is caused by sparks generated when the fan 13 works is avoided, the safety when the air guide cylinder is used can be improved, the air flow rate on the surface of the radiating fins can be accelerated, and the radiating effect of the fan 13 is improved.
It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A working face air adjusting device for coal mine underground tunneling is characterized by comprising a water tank (1), an installation rack (2) and an air duct (3), wherein the installation rack (2) is equidistantly installed on the surface of the water tank (1), and the air duct (3) is inserted into an inner cavity of the installation rack (2);
the anti-explosion water tank is characterized in that an anti-explosion shield (14) is arranged in the middle of the air duct (3), a fan (13) is installed in an inner cavity of the anti-explosion shield (14), radiating fins are integrally formed on the outer wall of the anti-explosion shield (14), limiting rings (7) are symmetrically arranged on two sides of the anti-explosion shield (14), a water curtain (8) is arranged on the surface of each limiting ring (7), a submersible pump (9) is arranged in an inner cavity of the water tank (1), a water guide pipe (10) is connected to a water outlet end of the submersible pump (9), and the end portion of the water guide pipe (10) penetrates through the cavity wall of the air duct (3) and is connected with the top of the water curtain (8) respectively.
2. The working face air conditioning device for coal mine underground tunneling according to claim 1, wherein an exhaust connecting flange (4) is welded at the end of the air duct (3).
3. The working face air conditioning device for coal mine underground tunneling according to claim 1, characterized in that one end of the air duct (3) far away from the exhaust connecting flange (4) is welded with an air inlet cover (5), a filter plate (6) is movably arranged in the inner cavity of the air inlet cover (5), a limiting seat is annularly arranged on the outer wall of the filter plate (6), a limiting groove is annularly arranged on the inner wall of the air inlet cover (5), and the limiting groove is matched with the limiting seat.
4. The working face air conditioning device for coal mine underground tunneling according to claim 3, wherein water collecting grooves (11) are formed in the bottom of the water curtain (8) and the surface of the bottom of the inner cavity of the air guide cylinder (3).
5. The working face air conditioning device for coal mine underground tunneling according to claim 4, characterized in that a water return pipe (12) is connected to the bottom of the water collecting tank (11), and the end of the water return pipe (12) penetrates through the air guide cylinder (3) and extends to the inner cavity of the water tank (1).
6. The working face air conditioning device for coal mine underground tunneling according to claim 1, characterized in that a drain pipe (15) is arranged on the side wall of the water tank (1), a water inlet pipe (16) is arranged at the end of the water tank (1), and control valves are arranged on the water inlet pipe (16) and the drain pipe (15).
7. The working face air conditioning device for coal mine underground tunneling according to claim 6, wherein a liquid level observation window (17) is embedded in one side of the drain pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222423262.1U CN217897935U (en) | 2022-09-13 | 2022-09-13 | Working face air adjusting device for underground tunneling of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222423262.1U CN217897935U (en) | 2022-09-13 | 2022-09-13 | Working face air adjusting device for underground tunneling of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217897935U true CN217897935U (en) | 2022-11-25 |
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ID=84109434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222423262.1U Active CN217897935U (en) | 2022-09-13 | 2022-09-13 | Working face air adjusting device for underground tunneling of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217897935U (en) |
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2022
- 2022-09-13 CN CN202222423262.1U patent/CN217897935U/en active Active
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