CN212803306U - Ventilation device for preventing coal mine gas from exceeding limit - Google Patents
Ventilation device for preventing coal mine gas from exceeding limit Download PDFInfo
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- CN212803306U CN212803306U CN202021733979.0U CN202021733979U CN212803306U CN 212803306 U CN212803306 U CN 212803306U CN 202021733979 U CN202021733979 U CN 202021733979U CN 212803306 U CN212803306 U CN 212803306U
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- dust removal
- water tank
- phase asynchronous
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Abstract
The utility model discloses a prevent ventilation unit that colliery gas transfinites, including totally closed three-phase asynchronous machine, centrifugal wind wheel, wind channel case, blast pipe, dust removal water tank, totally closed three-phase asynchronous machine's output swing joint has centrifugal wind wheel, and centrifugal wind wheel's outside is provided with the wind channel case, and the lower surface swing joint of wind channel case has the blast pipe, and the lower fixed surface of spring seat board is connected with dust removal water tank, and dust removal water tank's lower fixed surface is connected with the support frame. This prevent ventilation unit of colliery gas transfinite, when the air reduces in the mine, under the effect of atmospheric pressure, fresh air passes through the air-supply line and gets into in the mine, has played the effect that reduces gas concentration in the air, has avoided gas concentration too high in the mine, has protected staff's safety, compares and sends into fresh air in the air-supply line, and original air in this device takes out the mine, has avoided fresh air and the air mixing in the mine, the gas concentration in the reduction mine that can be faster.
Description
Technical Field
The utility model relates to a mining safety technical field specifically is a ventilation unit who prevents colliery gas transfinite.
Background
The gas is formed by decomposing cellulose and organic matters under the action of anaerobic bacteria at the initial stage of stacking ancient plants into coal, in the high-temperature and high-pressure environment, while coal is formed, gas is continuously generated due to physical and chemical actions, the gas is colorless and tasteless, the permeability of the gas is 1.6 times of air, the gas is insoluble in water, cannot support combustion and can not maintain breath, when a certain concentration is reached, people can suffocate due to oxygen deficiency, and can be burnt or exploded, the mechanical ventilation system of the coal mine usually has an air inlet shaft and an air supply shaft, but the conventional ventilation device simply injects fresh air into the shaft or pumps air in the coal mine out of the shaft, when the ventilation of the coal mine is finished, a large amount of dust generated during the mining is discharged into the atmosphere, cause the PM value in the atmosphere to increase, consequently the utility model provides a prevent ventilation unit of colliery gas transfinite.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a to the not enough of prior art, the utility model provides a prevent ventilation unit of colliery gas transfinite has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a prevent ventilation unit that colliery gas transfinites, includes totally closed three-phase asynchronous machine, totally closed three-phase asynchronous machine's output swing joint has centrifugal wind wheel, centrifugal wind wheel's outside is provided with the wind channel case, the lower surface swing joint of wind channel case has the blast pipe, totally closed three-phase asynchronous machine's lower fixed surface is connected with the mounting panel, the lower fixed surface of mounting panel is connected with damping spring, damping spring's one end fixedly connected with spring seat board, the lower fixed surface of spring seat board is connected with dust removal water tank, dust removal water tank's lower fixed surface is connected with the support frame.
Optionally, one side of the air duct box is fixedly connected with an air inlet pipe.
Optionally, the lower surface of the mounting plate and the upper surface of the spring seat plate are both fixedly connected with a protection plate.
Optionally, one end of the upper surface of the dust removal water tank is fixedly connected with an air outlet pipe, the middle of the upper surface of the dust removal water tank is fixedly connected with a water filling port, and one side of the water filling port is movably connected with a valve.
Optionally, the middle part of the lower surface of the dust removal water tank is fixedly connected with a water outlet, and one end of the water outlet is movably connected with a drainage tube.
Optionally, the type of the totally-enclosed three-phase asynchronous motor is Y100L-2.
(III) advantageous effects
The utility model provides a prevent ventilation unit of colliery gas transfinite possesses following beneficial effect:
the ventilation device for preventing the gas in the coal mine from exceeding the limit comprises the steps that firstly, a worker puts an air inlet pipe into an air outlet well of the coal mine, then opens a totally-enclosed three-phase asynchronous motor to drive a centrifugal wind wheel to rotate, so that air is sent into a dust removal water tank under the action of the centrifugal wind wheel, finally, air pumped out of the mine is discharged into the atmosphere through the air outlet pipe, when the air in the mine is reduced, the fresh air enters the mine through the air inlet well under the action of atmospheric pressure, the effect of reducing the concentration of the gas in the air is achieved, the phenomenon that the concentration of the gas in the mine is too high is avoided, the safety of the worker is protected, compared with the situation that the fresh air is sent into the air inlet well, the device pumps original air in the mine, the mixing of the fresh air and the air in the mine is avoided, the concentration of the gas in the mine can be reduced more quickly, meanwhile, solid particles, a large amount of generated dust can not enter the atmosphere, thereby avoiding the environmental pollution.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the present invention.
In the figure: 1. a totally-enclosed three-phase asynchronous motor; 2. a centrifugal wind wheel; 3. an air duct box; 4. an air supply pipe; 5. mounting a plate; 6. a damping spring; 7. a spring seat plate; 8. a dust removal water tank; 9. a support frame; 10. an air inlet pipe; 11. a protection plate; 12. an air outlet pipe; 13. a water injection port; 14. a valve; 15. a water outlet; 16. a drainage tube.
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 to 2, the present invention provides a technical solution: a ventilation device for preventing gas in a coal mine from exceeding limit comprises a totally-closed three-phase asynchronous motor 1, wherein the output end of the totally-closed three-phase asynchronous motor 1 is movably connected with a centrifugal wind wheel 2, an air duct box 3 is arranged outside the centrifugal wind wheel 2, the lower surface of the air duct box 3 is movably connected with an air supply pipe 4, the lower surface of the totally-closed three-phase asynchronous motor 1 is fixedly connected with a mounting plate 5, the lower surface of the mounting plate 5 is fixedly connected with a damping spring 6, one end of the damping spring 6 is fixedly connected with a spring seat plate 7, the lower surface of the spring seat plate 7 is fixedly connected with a dust removal water tank 8, the lower surface of the dust removal water tank 8 is fixedly connected with a support frame 9, one side of the air duct box 3 is fixedly connected with an air inlet pipe 10, the lower surface of the mounting plate 5 and the upper surface of the, one side of the water filling port 13 is movably connected with a valve 14, the middle part of the lower surface of the dust removal water tank 8 is fixedly connected with a water outlet 15, one end of the water outlet 15 is movably connected with a drainage tube 16, the model of the totally-closed three-phase asynchronous motor 1 is Y100L-2, firstly, a worker puts the air inlet pipe 10 into an air outlet well of a coal mine, then opens the totally-closed three-phase asynchronous motor 1 to drive the centrifugal wind wheel 2 to rotate, so that air is sent into the dust removal water tank 8 under the action of the centrifugal wind wheel 2, and finally, air pumped out of the mine is discharged into the atmosphere through the air outlet pipe 12, when the air in the mine is reduced, under the action of atmospheric pressure, fresh air enters the mine through the air inlet well, the effect of reducing the gas concentration in the air is achieved, the gas concentration in the mine is prevented from being too high, the safety of the worker is protected, compared with the, the mixing of fresh air and the air in the mine is avoided, the gas concentration in the mine can be reduced more quickly, meanwhile, when the discharged air passes through the dust removal water tank 8, solid particles are removed by water, a large amount of generated dust cannot enter the atmosphere, and the environmental pollution is avoided.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
To sum up, the ventilation device for preventing the gas in the coal mine from exceeding the limit is used, firstly, a worker puts the air inlet pipe 10 into the air outlet well of the coal mine, then opens the totally-enclosed three-phase asynchronous motor 1 to drive the centrifugal wind wheel 2 to rotate, so that the air is sent into the dust removal water tank 8 under the action of the centrifugal wind wheel 2, and finally, the air pumped out from the mine is discharged into the atmosphere through the air outlet pipe 12, when the air in the mine is reduced, the fresh air enters the mine through the air inlet well under the action of the atmospheric pressure, so that the effect of reducing the gas concentration in the air is achieved, the gas concentration in the mine is prevented from being too high, the safety of the worker is protected, compared with the case that the fresh air is sent into the air inlet well, the device pumps the original air in the mine, the mixing of the fresh air and the mine air is avoided, the gas concentration in the mine can be reduced more quickly, and meanwhile, when the, solid particles are removed by water, and a large amount of generated dust can not enter the atmosphere, so that the environmental pollution is avoided.
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 (6)
1. The utility model provides a prevent ventilation unit of colliery gas transfinite, includes totally closed three-phase asynchronous machine (1), its characterized in that: the utility model discloses a full-automatic dust removal wind power generation device, including totally closed three-phase asynchronous motor (1), the output swing joint of totally closed three-phase asynchronous motor (1) has centrifugal wind wheel (2), the outside of centrifugal wind wheel (2) is provided with wind channel case (3), the lower surface swing joint of wind channel case (3) has blast pipe (4), the lower fixed surface of totally closed three-phase asynchronous motor (1) is connected with mounting panel (5), the lower fixed surface of mounting panel (5) is connected with damping spring (6), the one end fixedly connected with spring seat board (7) of damping spring (6), the lower fixed surface of spring seat board (7) is connected with dust removal water tank (8), the lower fixed surface of dust removal.
2. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: and an air inlet pipe (10) is fixedly connected to one side of the air duct box (3).
3. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: the lower surface of the mounting plate (5) and the upper surface of the spring seat plate (7) are fixedly connected with a protection plate (11).
4. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: one end fixedly connected with air-out pipe (12) of dust removal water tank (8) upper surface, the middle part fixedly connected with water filling port (13) of dust removal water tank (8) upper surface, one side swing joint of water filling port (13) has valve (14).
5. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: the middle part of the lower surface of the dust removal water tank (8) is fixedly connected with a water outlet (15), and one end of the water outlet (15) is movably connected with a drainage tube (16).
6. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: the type of the totally-enclosed three-phase asynchronous motor (1) is Y100L-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021733979.0U CN212803306U (en) | 2020-08-19 | 2020-08-19 | Ventilation device for preventing coal mine gas from exceeding limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021733979.0U CN212803306U (en) | 2020-08-19 | 2020-08-19 | Ventilation device for preventing coal mine gas from exceeding limit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212803306U true CN212803306U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021733979.0U Expired - Fee Related CN212803306U (en) | 2020-08-19 | 2020-08-19 | Ventilation device for preventing coal mine gas from exceeding limit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212803306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060091A (en) * | 2021-11-11 | 2022-02-18 | 安徽理工大学 | Coal mine gas explosion early warning protector |
-
2020
- 2020-08-19 CN CN202021733979.0U patent/CN212803306U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060091A (en) * | 2021-11-11 | 2022-02-18 | 安徽理工大学 | Coal mine gas explosion early warning protector |
| CN114060091B (en) * | 2021-11-11 | 2023-10-27 | 安徽理工大学 | Colliery gas explosion early warning protector |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 Termination date: 20210819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |