CN220319601U - Wall-penetrating air duct for underground coal mine exploitation - Google Patents
Wall-penetrating air duct for underground coal mine exploitation Download PDFInfo
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- CN220319601U CN220319601U CN202321879742.7U CN202321879742U CN220319601U CN 220319601 U CN220319601 U CN 220319601U CN 202321879742 U CN202321879742 U CN 202321879742U CN 220319601 U CN220319601 U CN 220319601U
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- air duct
- wall
- coal mine
- penetrating
- penetrating air
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- 239000003245 coal Substances 0.000 title claims abstract description 43
- 230000000149 penetrating effect Effects 0.000 claims abstract description 35
- 238000009423 ventilation Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000005065 mining Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a wall penetrating air duct for underground coal mine opening, which comprises a wall penetrating air duct body, wherein the left side of the wall penetrating air duct body is connected with a fixed limiting block through a flange plate in a sealing manner, the fixed limiting block is connected with a vent through the flange plate in a sealing manner, the right side of the wall penetrating air duct body is connected with an axial-flow fan through the flange plate in a sealing manner, the inner side of the wall penetrating air duct body is embedded with a rubber filling layer, the surface of the wall penetrating air duct body is fixedly provided with a plurality of protection rings through welding, the left side and the right side of the wall penetrating air duct body are fixedly provided with connecting flange plates through welding, and the inner side of the connecting flange plates is embedded with a filter screen at the joint of the fixed limiting block; the wall-penetrating air duct for underground coal mine opening has the advantages of improving the protection property of the wall-penetrating air duct, improving the ventilation quality of underground coal mine and reducing the potential safety hazards existing in ventilation of underground coal mine.
Description
Technical Field
The utility model relates to the technical field of underground mining of coal mines, in particular to a wall-penetrating air duct for underground mining of coal mines.
Background
Underground mining refers to a mining mode corresponding to surface mining in coal mining, and compared with surface mining, the difficulty of underground mining technology is much higher, but most of coal mines are buried underground, so that the underground mining mode is required, and in order to ensure underground ventilation, a wall-penetrating air cylinder is arranged underground to perform ventilation operation.
At present, the existing through-wall dryer can not protect the through-wall dryer well when in use, so that the through-wall dryer can leak air in severe environment, the working stability of the through-wall dryer is reduced, the service life of the through-wall dryer is shortened, dust is not thoroughly filtered when in use, and the through-wall dryer is easy to breathe, so that potential safety hazards exist when ventilation is carried out in a coal mine.
Therefore, aiming at the problems, we propose a wall-penetrating air duct for underground coal mine exploitation.
Disclosure of Invention
The utility model aims to provide a wall-penetrating air duct for underground coal mine opening, which has the advantages of improving the protection property of the wall-penetrating air duct, improving the ventilation quality of underground coal mine, reducing the potential safety hazard existing in ventilation of underground coal mine and solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a colliery is in pit opened and is used wall dryer, includes the wall dryer body of wearing, wall dryer body left side is through ring flange sealing connection has fixed stopper, fixed stopper is through ring flange sealing connection has the vent, wall dryer body right side is through ring flange sealing connection has axial fan, the inboard embedded rubber filling layer that has of wall dryer body of wearing, wall dryer body surface is through welded fastening has a plurality of protection ring, wall dryer body left and right sides is through welded fastening has the flange, the flange inboard is in the embedded filter screen of installing of fixed stopper junction.
Preferably, the wall-penetrating air duct body is of a circular structure, the filter screen is an air conditioner filter screen, the air conditioner filter screen is of a concave-convex honeycomb structure, the filter screen is positioned on the left side and the right side inside the wall-penetrating air duct body, and the plurality of connecting flange plates are connected through flange plates in a sealing mode to form the wall-penetrating air duct body with different lengths.
Preferably, the fixed limiting block is fixed on the air outlet of the underground coal mine wall-penetrating air duct body through bolts, a fixed ring is fixedly welded on the left side of the fixed limiting block, and the fixed ring is connected with a vent through threads.
Preferably, the vent is loudspeaker formula structure, the vent left side is strengthened the limit through welded fastening, the limit inboard is strengthened to the air-out is strengthened the limit and is passed through welded fastening with the vent welded part has the protection network, the protection network inboard is equipped with the impeller, the impeller is connected with ventilation fan through the transfer line, ventilation fan is connected with power and control panel through the pencil, control panel surface fixing has a plurality of control button.
Preferably, the control panel is fixed below the right side of the surface of the fixed limiting block through embedding.
Preferably, the axial-flow fan is installed outside the coal mine through the support frame, the axial-flow fan is connected with the air duct, the air duct carries out air delivery to the inside of the coal mine, and the air duct is connected with the wall-penetrating air duct body through the connecting flange plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the wall penetrating air duct for underground coal mine opening, the plurality of protection rings are welded on the surface of the wall penetrating air duct body, so that the wall penetrating air duct is more stable when installed in a coal mine well wall, the wall penetrating air duct is protected, meanwhile, the rubber filling layer arranged in the wall penetrating air duct body is beneficial to shock absorption of the wall penetrating air duct body, meanwhile, the buffering performance and the elasticity are improved, the wall penetrating air duct body is protected from being damaged in severe environments through the protection rings and the rubber filling layer, the occurrence of air leakage condition of the wall penetrating air duct body is avoided, the ventilation stability of the wall penetrating air duct body is further improved, the service life of the wall penetrating air duct body is prolonged, meanwhile, the filter screen arranged at the joint of the inner side of the wall penetrating air duct body and the fixed limiting block is beneficial to filtering wind transported to the wall penetrating air duct body through the air duct by the axial flow fan, the problem that dust filtering is not thorough in the ventilation process is avoided, and potential safety hazards exist in ventilation of the coal mine well are further reduced.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a wall-penetrating air duct for underground coal mine exploitation;
FIG. 2 is a schematic diagram of a wall-penetrating air duct for underground coal mine opening;
FIG. 3 is a schematic diagram of an air outlet structure of a wall-penetrating air duct for underground coal mine opening;
FIG. 4 is a schematic diagram of the internal structure of an air outlet of a wall-penetrating air duct for underground coal mine exploitation.
The reference numerals in the drawings indicate: 1. a wall penetrating air duct body; 2. fixing a limiting block; 3. a vent; 4. an axial flow fan; 5. a guard ring; 6. a connecting flange plate; 7. a rubber filling layer; 8. a filter screen; 9. a fixing ring; 10. a control board; 11. a control button; 12. an air outlet reinforcing edge; 13. a protective net; 14. an impeller; 15. a ventilation fan.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-4, the utility model provides a technical scheme, a wall penetrating air duct for underground coal mine opening, which comprises a wall penetrating air duct body 1, wherein the left side of the wall penetrating air duct body 1 is connected with a fixed limiting block 2 through a flange plate in a sealing way, the fixed limiting block 2 is fixed at the air outlet of the underground coal mine wall penetrating air duct body 1 through bolts, the left side of the fixed limiting block 2 is fixed with a fixed ring 9 through welding, the fixed ring 9 is connected with a vent 3 through threads, the vent 3 is in a horn structure, the left side of the vent 3 is fixed with an air outlet reinforcing edge 12 through welding, the welding part between the inner side of the air outlet reinforcing edge 12 and the vent 3 is fixed with a protective net 13 through welding, thereby being beneficial to improving the underground coal mine exploitation ventilation effect, and enhancing the ventilation effect and strength of the vent 3, the inner side of the protective net 13 is provided with an impeller 14, the impeller 14 is connected with a ventilation fan 15 through a transmission rod, the ventilation fan 15 is connected with a power supply and a plurality of control buttons 11 through a wire harness, the surface of a control board 10 is fixed with a plurality of control buttons 11, exploitation is beneficial to realize corresponding control and adjustment of the air inlet quantity at the underground coal mine, and simultaneously, and the whole construction requirements are further met by the fact that the underground coal mine is suitable for the corresponding underground coal mine exploitation;
fixed stopper 2 has vent 3 through ring flange sealing connection, wall-penetrating dryer body 1 right side has axial fan 4 through ring flange sealing connection, axial fan 4 installs in the colliery outside through the support frame, axial fan 4 connects the dryer, the dryer carries out the air supply to colliery well inside, the dryer passes through connecting flange 6 and connects wall-penetrating dryer body 1, be favorable to more convenient to colliery exploitation down the pit carries out the air guide, make its colliery exploitation down inside stay ventilation state all the time, wall-penetrating dryer body 1 is circular structure, wall-penetrating dryer body 1 inboard is embedded to have rubber filling layer 7, wall-penetrating dryer body 1 surface has a plurality of protection ring 5 through welded fastening, wall-penetrating dryer body 1 left and right sides is through welded fastening to have connecting flange 6, connecting flange 6 inboard is in fixed stopper 2 junction embeds and installs filter screen 8, filter screen 8 is the air conditioner filter screen, the air conditioner filter screen is concave-convex honeycomb structure, filter screen 8 is located wall-penetrating dryer body 1 inside left and right sides, be favorable to more efficient carry out the filtration dust, make its dust filtration more thoroughly, a plurality of connecting flange 6 pass through ring flange sealing connection constitutes the wall-penetrating dryer body 1 of different length, it is favorable to make its sealed structure to carry out the coal mine and can not leak its air-tight, make it to be convenient for the whole and the air-tight structure to be connected, it can make its air-tight and prevent from taking place.
Working principle: when the wall-penetrating air duct for underground coal mine exploitation is used, firstly, an axial-flow fan 4 is manually started to connect the air duct through a pipeline, then the air duct is hermetically connected with a wall-penetrating air duct body 1 through a flange plate, the wall-penetrating air duct body 1 is hermetically connected with a fixed limiting block 2 through the flange plate, a fixed ring 9 fixed by the fixed limiting block 2 is hermetically connected with a ventilation opening 3 through threads, a control board 10 arranged on the surface of the fixed limiting block 2 is used for controlling a ventilation fan 15 in the ventilation opening 3 through a control button 11, so that the ventilation fan 15 drives an impeller 14 to control and regulate the air quantity of a coal mine exploitation construction site, and meanwhile, the wall-penetrating air duct bodies 1 with different lengths in underground coal mine exploitation can be formed through the sealing connection of a plurality of wall-penetrating air duct bodies 1 through left side and right side connecting flange plates 6.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a colliery is opened in pit and is used wall dryer, includes wall dryer body (1), its characterized in that: the novel wall penetrating air duct is characterized in that the left side of the wall penetrating air duct body (1) is provided with a fixed limiting block (2) through a flange plate in a sealing manner, the fixed limiting block (2) is provided with a vent (3) through the flange plate in a sealing manner, the right side of the wall penetrating air duct body (1) is provided with an axial-flow fan (4) through the flange plate in a sealing manner, the inner side of the wall penetrating air duct body (1) is embedded with a rubber filling layer (7), the surface of the wall penetrating air duct body (1) is fixedly provided with a plurality of protecting rings (5) through welding, the left side and the right side of the wall penetrating air duct body (1) are fixedly provided with connecting flange plates (6) through welding, and the inner side of the connecting flange plates (6) is embedded with a filter screen (8) at the connecting position of the fixed limiting block (2).
2. The wall penetrating duct for underground coal mine opening according to claim 1, wherein: the wall-penetrating air duct body (1) is of a circular structure, the filter screen (8) is an air conditioner filter screen, the air conditioner filter screen is of a concave-convex honeycomb structure, the filter screen (8) is positioned on the left side and the right side inside the wall-penetrating air duct body (1), and the wall-penetrating air duct bodies (1) with different lengths are formed by a plurality of connecting flange plates (6) through flange plate sealing connection.
3. The wall penetrating duct for underground coal mine opening according to claim 1, wherein: the fixed limiting block (2) is fixed to an air outlet of the coal mine underground through-wall air duct body (1) through bolts, a fixed ring (9) is fixedly welded to the left side of the fixed limiting block (2), and the fixed ring (9) is connected with the ventilation opening (3) through threads.
4. A coal mine underground opening wall penetrating duct as claimed in claim 3, wherein: the utility model discloses a fan, including vent (3), control panel (10), air-out reinforcing edge (12) inboard and vent (3) welded part are equipped with protection network (13) through welded fastening, protection network (13) inboard is equipped with impeller (14), impeller (14) are connected with ventilation fan (15) through the transfer line, ventilation fan (15) are connected with power and control panel (10) through the pencil, control panel (10) fixed surface has a plurality of control button (11).
5. The wall penetrating duct for underground coal mine opening of claim 4, wherein: the control board (10) is fixed below the right side of the surface of the fixed limiting block (2) through embedding.
6. The wall penetrating duct for underground coal mine opening according to claim 1, wherein: the axial-flow fan (4) is arranged outside a coal mine through the support frame, the axial-flow fan (4) is connected with the air duct, the air duct carries out air delivery to the inside of the coal mine, and the air duct is connected with the through-wall air duct body (1) through the connecting flange plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879742.7U CN220319601U (en) | 2023-07-17 | 2023-07-17 | Wall-penetrating air duct for underground coal mine exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879742.7U CN220319601U (en) | 2023-07-17 | 2023-07-17 | Wall-penetrating air duct for underground coal mine exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319601U true CN220319601U (en) | 2024-01-09 |
Family
ID=89415022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321879742.7U Active CN220319601U (en) | 2023-07-17 | 2023-07-17 | Wall-penetrating air duct for underground coal mine exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319601U (en) |
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2023
- 2023-07-17 CN CN202321879742.7U patent/CN220319601U/en active Active
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