CN210889005U - Ventilation device for preventing coal mine gas from exceeding limit - Google Patents
Ventilation device for preventing coal mine gas from exceeding limit Download PDFInfo
- Publication number
- CN210889005U CN210889005U CN201922025389.6U CN201922025389U CN210889005U CN 210889005 U CN210889005 U CN 210889005U CN 201922025389 U CN201922025389 U CN 201922025389U CN 210889005 U CN210889005 U CN 210889005U
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- Prior art keywords
- connecting pipe
- fixedly connected
- ventilation
- filter screen
- colliery
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Abstract
The utility model discloses a prevent ventilation unit of colliery gas transfinite, include the fan and fix the first connecting pipe in fan one side, the tip fixedly connected with device casing of first connecting pipe, one side fixedly connected with second connecting pipe of device casing, the tip fixedly connected with mounting panel of second connecting pipe, one side fixed mounting of mounting panel has the filter screen, the ventilation hole has been seted up at the middle part of device casing, the inside of device casing is seted up and is had the mounting groove mutually perpendicular with the ventilation hole, the fixed slot has been seted up to one side of device casing. This prevent ventilation unit of colliery gas transfinite through the design of filter screen and filter screen layer, has realized the filterable function of dust in the mine air, has greatly reduced the content of dust in the exhaust air to solved current colliery ventilation unit effectively and can carry the problem of the peripheral air in colliery of buggy and other solid particle thing in the colliery in the ventilation process.
Description
Technical Field
The utility model relates to a mine ventilation unit 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 in the early stage of stacking ancient plants into coal, and the gas is continuously generated due to physical and chemical actions in the process of forming the coal in a high-temperature and high-pressure environment.
Because gas is flammable and cannot be breathed by human beings, the gas belongs to harmful gas under a mine, when the concentration of the gas in the air reaches 5% -10%, explosion can be caused when the gas meets open fire, people can be suffocated if the concentration exceeds 30%, therefore, when the gas is operated under the mine, a proper gas over-limit value is set very necessary, and if harm caused by over-limit cannot be estimated, most coal mine enterprises can carry out great reconstruction and upgrade on underground ventilation systems at present, but the existing coal mine ventilation device can carry pulverized coal and other solid particles in a coal mine in the ventilation process, the PM value in the atmosphere is increased, air around the coal mine is polluted, people life and work are not facilitated, and therefore, the ventilation device for preventing the gas over-limit is provided at present.
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 of colliery gas transfinite, includes the fan and fixes the first connecting pipe in fan one side, the tip fixedly connected with device casing of first connecting pipe, one side fixedly connected with second connecting pipe of device casing, the tip fixedly connected with mounting panel of second connecting pipe, one side fixed mounting of mounting panel has the filter screen, the ventilation hole has been seted up at the middle part of device casing, the inside mounting groove perpendicular with the ventilation hole has been seted up to the inside of device casing, the fixed slot has been seted up to one side of device casing, the inside swing joint of mounting groove has the filter screen layer, one side fixedly connected with fixed plate of filter screen layer, the fixed plate is located the inside of fixed slot, the fixed plate passes through fixed screw and device casing fixed connection.
Optionally, the end portions of the first connecting pipe and the second connecting pipe are both fixedly connected with a connecting flange, and the connecting flange is fixedly connected with the device shell.
Optionally, the size of the fixing plate is the same as that of the fixing groove.
Optionally, a sealing gasket is arranged on one side of the fixing plate, and the sealing gasket is made of rubber.
Optionally, the middle part of the mounting plate is provided with an air outlet hole with the same inner diameter as the second connecting pipe.
(III) advantageous effects
The utility model provides a prevent ventilation unit of colliery gas transfinite possesses following beneficial effect:
this prevent ventilation unit of colliery gas transfinite, design through filter screen and filter screen layer, realized the filterable function of dust in the air in the mine, greatly reduced the content of dust in the exhaust air, thereby solved current colliery ventilation unit effectively and can carry buggy and other solid particle thing in the colliery and pollute the problem of the peripheral air in colliery in the ventilation process, and, because the filter screen sets up in the device outside, be convenient for wash and change, and simultaneously, to the filter screen layer of inside, only need to twist off the fixed screw and can take out it, easy operation is convenient.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the main sectional structure of the present invention.
In the figure: 1. a fan; 2. a first connecting pipe; 3. a device housing; 4. a second connecting pipe; 5. mounting a plate; 6. filtering with a screen; 7. a vent hole; 8. mounting grooves; 9. fixing grooves; 10. a screen layer; 11. a fixing plate; 12. fixing screws; 13. a connecting flange; 14. a gasket; 15. and (4) an air outlet.
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 the limit comprises a fan 1 and a first connecting pipe 2 fixed on one side of the fan, wherein the end part of the first connecting pipe 2 is fixedly connected with a device shell 3, one side of the device shell 3 is fixedly connected with a second connecting pipe 4, the end parts of the first connecting pipe 2 and the second connecting pipe 4 are both fixedly connected with a connecting flange 13, the connecting flange 13 is fixedly connected with the device shell 3, the end part of the second connecting pipe 4 is fixedly connected with a mounting plate 5, the middle part of the mounting plate 5 is provided with an air outlet 15 with the same inner diameter as that of the second connecting pipe 4, one side of the mounting plate 5 is fixedly provided with a filter screen 6, the middle part of the device shell 3 is provided with a vent hole 7, the inside of the device shell 3 is provided with a mounting groove 8 vertical to the vent hole 7, one side, one side of the filter screen layer 10 is fixedly connected with a fixing plate 11, the fixing plate 11 is positioned inside the fixing groove 9, the size of the fixing plate 11 is the same as that of the fixing groove 9, a sealing gasket 14 is arranged on one side of the fixing plate 11, the sealing gasket 14 is made of rubber, and the fixing plate 11 is fixedly connected with the device shell 3 through a fixing screw 12.
The utility model discloses when using, take the air in the mine out through fan 1, filter the air through filter screen layer 10 and filter screen 6, avoided the dust in the air to the pollution of outside air, and when needs are cleared up or are changed the filter screen layer 10 of inside, only need to twist off fixed screw 12 with it take out can, easy operation is convenient to make its dust that can the air more effectively filter.
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, this prevent ventilation unit of colliery gas transfinite, through the design of filter screen 6 and filter screen layer 10, realized the filterable function of dust in the air in the mine, the content of dust in the exhaust air has greatly been reduced to very big degree, thereby solved current colliery ventilation unit effectively and can carry buggy and other solid particle thing in the colliery and pollute the problem of the peripheral air in colliery at the ventilation in-process, and, because filter screen 6 sets up in the device outside, be convenient for wash and change, simultaneously, to inside filter screen layer 10, only need twist off fixed screw 12 and can take out it, easy operation is convenient.
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 (5)
1. The utility model provides a prevent ventilation unit of colliery gas transfinite, includes fan (1) and fixes first connecting pipe (2) in fan one side, its characterized in that: the end part of the first connecting pipe (2) is fixedly connected with a device shell (3), one side of the device shell (3) is fixedly connected with a second connecting pipe (4), the end part of the second connecting pipe (4) is fixedly connected with a mounting plate (5), one side of the mounting plate (5) is fixedly provided with a filter screen (6), a ventilation hole (7) is arranged in the middle of the device shell (3), a mounting groove (8) which is vertical to the ventilation hole (7) is arranged in the device shell (3), a fixing groove (9) is arranged on one side of the device shell (3), a filter screen layer (10) is movably connected inside the mounting groove (8), one side of the filter screen layer (10) is fixedly connected with a fixing plate (11), the fixing plate (11) is positioned inside the fixing groove (9), the fixing plate (11) is fixedly connected with the device shell (3) through a fixing screw (12).
2. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: the end parts of the first connecting pipe (2) and the second connecting pipe (4) are fixedly connected with connecting flanges (13), and the connecting flanges (13) are fixedly connected with the device shell (3).
3. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: the size of the fixing plate (11) is the same as that of the fixing groove (9).
4. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: one side of the fixed plate (11) is provided with a sealing gasket (14), and the sealing gasket (14) is made of rubber.
5. The ventilation device for preventing coal mine gas overrun of claim 1, characterized in that: and an air outlet (15) with the same inner diameter as the second connecting pipe (4) is formed in the middle of the mounting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922025389.6U CN210889005U (en) | 2019-11-21 | 2019-11-21 | Ventilation device for preventing coal mine gas from exceeding limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922025389.6U CN210889005U (en) | 2019-11-21 | 2019-11-21 | Ventilation device for preventing coal mine gas from exceeding limit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210889005U true CN210889005U (en) | 2020-06-30 |
Family
ID=71315157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922025389.6U Expired - Fee Related CN210889005U (en) | 2019-11-21 | 2019-11-21 | Ventilation device for preventing coal mine gas from exceeding limit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210889005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983599A (en) * | 2021-11-18 | 2022-01-28 | 重庆工程职业技术学院 | Industrial ventilation equipment capable of realizing gas explosion-proof early warning |
-
2019
- 2019-11-21 CN CN201922025389.6U patent/CN210889005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983599A (en) * | 2021-11-18 | 2022-01-28 | 重庆工程职业技术学院 | Industrial ventilation equipment capable of realizing gas explosion-proof early warning |
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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: 20200630 Termination date: 20201121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |