CN221006967U - Gas extraction device for coal mine gas prevention and control - Google Patents
Gas extraction device for coal mine gas prevention and control Download PDFInfo
- Publication number
- CN221006967U CN221006967U CN202322560392.4U CN202322560392U CN221006967U CN 221006967 U CN221006967 U CN 221006967U CN 202322560392 U CN202322560392 U CN 202322560392U CN 221006967 U CN221006967 U CN 221006967U
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- gas
- coal mine
- plug
- bottle
- extraction apparatus
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- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 title claims abstract description 22
- 230000002265 prevention Effects 0.000 title claims description 6
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
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Abstract
The application provides a gas extraction device for preventing and controlling coal mine gas, which comprises a gas collecting bottle screwed in a connecting end of a filtering tank, wherein filtering sponge is filled in the filtering tank, a side wall of the filtering tank is provided with a suction pipe, a cover plate is arranged on a bottle opening of the gas collecting bottle, a first gas inlet is arranged on the cover plate, a plug is rotatably clamped in the bottle opening at the inner side of the cover plate, a second gas inlet is arranged on the plug, a limit groove corresponding to a yielding hole formed at the center of the cover plate is arranged on the plug, and a limit plate which is inserted into the limit groove after passing through the yielding hole is arranged in the connecting end. According to the application, the filter sponge is filled in the filter tank, so that air in a mine entering the gas collecting bottle from the filter tank can be filtered; the first air inlet and the second air inlet correspond to each other after the gas collecting bottle is screwed to the limit position by utilizing the clamping fit of the limit plate and the limit groove, so that the gas collecting bottle is communicated with the filter tank, the automatic opening and closing of the gas collecting bottle is realized, and the device has the advantage of simplicity and convenience in operation.
Description
Technical Field
The application relates to the technical field of coal mine gas prevention and control, in particular to a gas extraction device for coal mine gas prevention and control.
Background
The gas is harmful gas mainly composed of coal bed gas in a mine, and the air in the mine needs to be extracted and detected before the coal mine is mined so as to prevent dangerous accidents caused by the too high gas concentration. The existing extraction device lacks an impurity filtering mechanism, so that dust impurities contained in the air holes can enter the extraction device in the same step, and the detection result can be influenced. To this end, the inventors have proposed a gas extraction device for coal mine gas control.
Disclosure of utility model
The application aims to provide a gas extraction device for preventing and controlling coal mine gas, which can be used for filtering impurities in the process of extracting air in a mine, can be used for automatically opening and closing a collecting bottle, and has the advantage of simplicity and convenience in operation.
Embodiments of the present application are implemented as follows:
The application provides a gas extraction device for preventing and controlling coal mine gas, which comprises a gas collecting bottle screwed in a connecting end of a filtering tank, wherein filtering sponge is filled in the filtering tank, a side wall of the filtering tank is provided with a suction pipe, a cover plate is arranged on a bottle opening of the gas collecting bottle, a first gas inlet is arranged on the cover plate, a plug is rotatably clamped in the bottle opening at the inner side of the cover plate, a second gas inlet is arranged on the plug, a limit groove corresponding to a yielding hole formed at the center of the cover plate is arranged on the plug, and a limit plate which is inserted into the limit groove after passing through the yielding hole is arranged in the connecting end.
According to the application, the filter sponge is filled in the filter tank, so that the air in the mine entering the gas collecting bottle from the filter tank can be filtered, the impurity content in the air in the gas collecting bottle is reduced, and the adverse effect of impurities on a detection result is reduced; utilize the joint cooperation of limiting plate and spacing groove for the plug can keep fixed when gas collection bottle precedingly to the link inside, and first air inlet and second air inlet correspond after the gas collection bottle precedingly reaches extreme position, make the switch on of gas collection bottle and filter tank, realized the automatic switching to the collecting bottle, have easy and simple to handle's advantage.
In an alternative embodiment, the plug is in sealing connection with the inner wall of the bottle mouth.
In an alternative embodiment, the plug is attached to the inner wall of the cover plate.
In an alternative embodiment, a support plate for positioning the limiting plate is arranged inside the connecting end.
In an alternative embodiment, the support plates are arranged diametrically of the connection end.
In an alternative embodiment, the limiting plate is arranged at the axial position of the connecting end.
In an alternative embodiment, the first air inlets are uniformly distributed along the circumferential direction of the cover plate.
In an alternative embodiment, the diameter of the relief holes is greater than the width of the limiting plate.
In an alternative embodiment, the inner wall of the bottle mouth is provided with an annular limiting table.
In an alternative embodiment, the limit slot is configured as a rectangle adapted to the limit plate.
Drawings
Exemplary embodiments of the present application will be described in detail below with reference to the attached drawings, and it should be understood that the embodiments described below are only for explaining the present application, not limiting the scope of the present application, and wherein:
FIG. 1 is a schematic view of a gas extraction apparatus for coal mine gas control according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a gas extraction apparatus for coal mine gas control according to an embodiment of the present application;
FIG. 3 is a schematic view of the installation of a limiting plate according to an embodiment of the present application;
reference numerals:
10. A filter tank;
20. A gas collecting bottle;
11. a connection end;
12. An exhaust pipe;
13. A support plate;
14. a limiting plate;
15. Filtering the sponge;
16. An air inlet pipe;
21. a bottle mouth;
22. A cover plate;
23. A first air inlet;
24. a plug;
25. A second air inlet;
26. A limiting table;
27. A relief hole;
28. And a limit groove.
Detailed Description
Example 1
Referring to fig. 1-3, in the embodiment, a gas extraction device for coal mine gas prevention and control includes a filter tank 10 and a gas collecting bottle 20, the gas collecting bottle 20 is screwed in the interior of a connection end 11 of the filter tank 10, wherein a filter sponge 15 is filled in the interior of the filter tank 10, an exhaust tube 12 is arranged on the side wall of the filter tank 10, a cover plate 22 is arranged on a bottle opening 21 of the gas collecting bottle 20, a first air inlet 23 is arranged on the cover plate 22, a plug 24 is rotatably clamped in the bottle opening 21 at the inner side of the cover plate 22, a second air inlet 25 is arranged on the plug 24, a limit groove 28 corresponding to a yielding hole 27 formed at the center of the cover plate 22 is arranged on the plug 24, and a limit plate 14 which is inserted into the limit groove 28 after passing through the yielding hole 27 is arranged in the interior of the connection end 11.
According to the embodiment, the filter sponge 15 is filled in the filter tank 10, so that air in a mine entering the gas collection bottle 20 from the filter tank 10 can be filtered, the impurity content in the air in the gas collection bottle 20 is reduced, and the adverse effect of impurities on a detection result is reduced; by means of the clamping fit of the limiting plate 14 and the limiting groove 28, the plug 24 can be kept fixed when the gas collection bottle 20 is screwed into the connecting end 11 until the first gas inlet 23 and the second gas inlet 25 correspond to each other after the gas collection bottle 20 is screwed into the limiting position, so that the gas collection bottle 20 is communicated with the filter tank 10, automatic opening and closing of the gas collection bottle 20 are achieved, and the device has the advantage of simplicity and convenience in operation.
The connection end 11 is disposed at the top of the filter tank 10 and is coaxially disposed with the filter tank 10, the interior of the connection end 11 is configured with an internal thread, the outer wall of the bottle mouth 21 of the gas collecting bottle 20 is configured with an external thread, and the gas collecting bottle 20 can be reversely and fixedly connected to the filter tank 10 by screwing the internal thread and the external thread.
In addition, the whole cylindric that is of filtration sponge 15, the outer wall of filtration sponge 15 and the laminating of the inner wall of filtration jar 10, exhaust tube 12 arranges in the bottom of filtration jar 10 to switch on with the inner chamber of filtration jar 10, still be equipped with intake pipe 16 in the bottom of filtration jar 10, exhaust tube 12 is connected with outside aspiration pump, can be through intake pipe 16 suction filtration jar 10 inside with the mine air, and the mine air is after the filtration of filtration sponge 15, gets into the gas collection dish 20 inside from link 11 department via first air inlet 23 and second air inlet 15.
In addition, a supporting plate 13 disposed along the diameter direction is provided on the inner wall of the connection end 11, a limiting plate 14 is fixedly connected to the supporting plate 13, and the limiting plate 14 is integrally disposed at the axis of the connection end 11, and as an example, the supporting plate 13, the limiting plate 14 and the connection end 11 are integrally structured, and the limiting plate 14 is integrally configured in a rectangular plate shape.
It should be further noted that, the cover plate 22 is fixedly connected to the port of the bottle opening 21, a circular yielding hole 27 is formed in the central position of the cover plate 22, the diameter of the yielding hole 27 is larger than the width of the limiting plate 14, the limiting plate 14 passes through the inside of the yielding hole 27, the cover plate 22 is guaranteed to rotate outside the limiting plate 14 along with the gas collecting bottle 20, and the first gas inlet 23 is arranged outside the yielding hole 27 and is uniformly distributed along the circumferential direction of the cover plate 22.
In addition, an annular limiting table 26 is further arranged on the inner wall of the bottle opening 21, the limiting table 26 is used for limiting the position of the plug 24, the plug 24 is integrally configured into a cylinder shape, the plug 24 is rotatably clamped between the cover plate 22 and the limiting table 26, the outer wall of the plug 24 is in sealing connection with the inner wall of the bottle opening 21, meanwhile, two end faces of the plug 24 are respectively attached to the cover plate 22 and the limiting table 26, a limiting groove 28 is formed on the end face of the plug 24, the limiting groove 28 is configured into a rectangle matched with the limiting plate 14, the second air inlet 25 is arranged on the outer side of the limiting groove 28, and the second air inlet 25 is in one-to-one correspondence with the first air inlet 23.
It should be further noted that when the gas collecting bottle 20 is mounted on the filter tank 10, the limiting plate 14 is inserted into the corresponding limiting groove 28 after passing through the yielding hole 27, the plug 24 is guaranteed not to rotate along with the gas collecting bottle 20 by means of the clamping fit of the limiting plate 14 and the limiting groove 28, the limiting plate 14 continuously stretches into the limiting groove 28 in the process of screwing the gas collecting bottle 20 into the connecting end 11, and the cover plate 22 synchronously rotates along with the gas collecting bottle 20, so that relative rotation can occur between the first air inlet 23 on the cover plate 22 and the second air inlet 25 on the plug 24, and when the gas collecting bottle 20 is screwed into the limiting position, namely, the cover plate 20 is in contact with the supporting plate 13, at this time, the first air inlet 23 on the cover plate 22 is located on the outer side of the supporting plate 13, and the first air inlet 23 is just right opposite to the second air inlet 25, thereby realizing conduction between the gas collecting bottle 20 and the filter tank 10.
Similarly, when the gas collecting bottle 20 is detached from the filter tank 10, the gas collecting bottle 20 needs to be reversely rotated, and when the bottle mouth 21 of the gas collecting bottle 20 is separated from the connecting end 11, the first gas inlet 23 on the cover plate 22 and the second gas inlet 25 on the plug 24 are kept in staggered arrangement, so that the bottle mouth 21 is automatically closed, and finally the gas collecting bottle 20 is vertically pulled out from the limiting plate 14, so that the gas collecting bottle 20 can be detached.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. The utility model provides a gas extraction device for colliery gas prevention and cure, its characterized in that, including screwing in the gas collection bottle in the link of filter canister, the inside packing of filter canister has the filtration sponge, the lateral wall of filter canister is equipped with the exhaust tube, be equipped with the apron on the bottleneck of gas collection bottle, be equipped with first air inlet on the apron, the apron is inboard rotatable joint has the plug in the bottleneck, be equipped with the second air inlet on the plug, be equipped with on the plug with the formation is in the centre department of apron the spacing groove that corresponds of stepping down the hole, the link is inside be equipped with pass after stepping down the hole with the limiting plate of spacing groove grafting.
2. A gas extraction apparatus for coal mine gas control as claimed in claim 1,
The plug is in sealing connection with the inner wall of the bottle opening.
3. A gas extraction apparatus for coal mine gas control as claimed in claim 2,
The plug is attached to the inner wall of the cover plate.
4. A gas extraction apparatus for coal mine gas control as claimed in claim 3,
The inside back plate that is used for settling of link limiting plate that is equipped with.
5. A gas extraction apparatus for coal mine gas control as claimed in claim 4,
The support plates are arranged along the diameter direction of the connection end.
6. A gas extraction apparatus for coal mine gas control as claimed in claim 5,
The limiting plate is arranged at the axis position of the connecting end.
7. The gas extraction apparatus for coal mine gas control as claimed in claim 6, wherein,
The first air inlets are uniformly distributed along the circumferential direction of the cover plate.
8. A gas extraction apparatus for coal mine gas control as claimed in claim 7,
The diameter of the abdication hole is larger than the width of the limiting plate.
9. A gas extraction apparatus for coal mine gas control as claimed in claim 8,
The inner wall of the bottle mouth is provided with an annular limiting table.
10. The gas extraction apparatus for coal mine gas control as claimed in claim 9,
The limit groove is configured as a rectangle adapted to the limit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560392.4U CN221006967U (en) | 2023-09-20 | 2023-09-20 | Gas extraction device for coal mine gas prevention and control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560392.4U CN221006967U (en) | 2023-09-20 | 2023-09-20 | Gas extraction device for coal mine gas prevention and control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221006967U true CN221006967U (en) | 2024-05-24 |
Family
ID=91088760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322560392.4U Active CN221006967U (en) | 2023-09-20 | 2023-09-20 | Gas extraction device for coal mine gas prevention and control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221006967U (en) |
-
2023
- 2023-09-20 CN CN202322560392.4U patent/CN221006967U/en active Active
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