CN214091938U - Mine underground ventilation system - Google Patents
Mine underground ventilation system Download PDFInfo
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- CN214091938U CN214091938U CN202021756467.6U CN202021756467U CN214091938U CN 214091938 U CN214091938 U CN 214091938U CN 202021756467 U CN202021756467 U CN 202021756467U CN 214091938 U CN214091938 U CN 214091938U
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Abstract
The utility model discloses a mine is ventilation system in pit, mine is ventilation system in pit includes chamber and main fan, the air inlet district has in the chamber, places district, maintenance district and exhaust zone, the air inlet district place the district the maintenance district with the exhaust zone arranges in proper order on its length direction, main fan locates place in the district, main fan's axial with the length direction of chamber is parallel roughly, main fan's air intake orientation the air inlet district, main fan's air outlet orientation the exhaust zone, main fan can follow its axial displacement extremely in the maintenance district. The utility model discloses a service life of chamber among the mine ventilation system in pit is long, and stability and security are high, and make things convenient for the maintenance of main fan.
Description
Technical Field
The utility model belongs to the technical field of the mining, specifically, relate to a mine ventilation system in pit.
Background
In the related art, in a mine underground ventilation system, such as a metal-nonmetal mine underground main fan chamber, a main fan is generally overhauled in a lateral overhaul mode. Therefore, a certain maintenance space needs to be arranged on the side surface of the main fan, namely along the span direction of the chamber, so that technicians can carry out operation and maintenance debugging on the main fan during operation.
However, since the side of the main fan is provided with a certain maintenance space and a hoisting device needs to be erected above the chamber, the span and height of the chamber are large, the construction amount and the supporting amount for fixing the chamber are large, the stability and the safety of the chamber are poor, and the construction cost is high.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a mine is ventilation system in pit, the service life of this mine is ventilation system in pit's chamber long, and stability and security are high, and make things convenient for the maintenance of main fan.
According to the utility model discloses mine underground ventilation system, include: the underground chamber is internally provided with an air inlet area, a placing area, an overhauling area and an air outlet area, and the air inlet area, the placing area, the overhauling area and the air outlet area are sequentially arranged along the length direction of the underground chamber; main fan, main fan locates place the district in, main fan's axial with the length direction of chamber is parallel roughly, main fan's air intake orientation the air inlet district, main fan's air outlet orientation the air-out district, main fan can follow its axial displacement extremely overhaul in the district.
According to the utility model discloses mine ventilation system in pit because main fan locates places the district in, the axial of main fan is parallel roughly with the length direction of chamber in, and main fan can follow its axial displacement to overhaul in the district, so when needs overhaul main fan, can follow axial displacement main fan, with its removal to overhaul in the district. In other words, the maintenance area is located the length direction of chamber, arranges with the chamber that traditional side direction was overhauld and compares, the utility model discloses a span of mine ventilation system's chamber in pit is less, compact structure, thereby makes the utility model discloses a life of mine ventilation system's chamber in pit is long, and stability and security are high, and make things convenient for the maintenance of main fan.
In some embodiments, the bottom of the chamber is provided with a slide rail, the slide rail is at least partially located in the placement area and the maintenance area, the slide rail extends along the length direction of the chamber, and the main fan is movable along the length direction of the slide rail.
In some embodiments, the mine underground ventilation system further comprises a lifting device, the lifting device is arranged in the chamber, and the lifting equipment is used for moving the main fan along the length direction of the chamber.
In some embodiments, the lifting device comprises at least one of a hook and a lifting steel beam.
In some embodiments, the mine downhole ventilation system further comprises a stop located on one side of the slide rail, the stop being located at the service area for stopping the main fan.
In some embodiments, the air inlet area is provided with an air wall, an air duct penetrates through the air wall, one end of the air duct is communicated with the air inlet of the main fan, and the other end of the air duct is communicated with the air inlet area.
In some embodiments, one side of the air wall in the width direction is provided with an access opening which penetrates through the air inlet area and the placement area, the height of the access opening is not higher than that of the air wall, an openable and closable safety door is arranged on the access opening, and when the safety door is opened, the air inlet area is communicated with the placement area.
In some embodiments, the mine underground ventilation system further comprises a butterfly valve connecting cylinder, one end of the butterfly valve connecting cylinder is connected with the air cylinder, and the other end of the butterfly valve connecting cylinder is connected with the air inlet of the main fan.
In some embodiments, a protective cover is arranged at one end of the air duct, which is far away from the main fan.
In some embodiments, the cross-sectional area of the air inlet area decreases gradually from the side of the air inlet area adjacent to the placement area to the side of the air inlet area away from the placement area, and the cross-sectional area of the air outlet area decreases gradually from the side of the air outlet area adjacent to the service area to the side of the air outlet area away from the service area.
In some embodiments, the number of the main fans is multiple, and the axes of the main fans are parallel to the length direction of the chamber and are arranged at intervals along the length direction perpendicular to the chamber.
Drawings
Fig. 1 is a front view of a mine down-hole ventilation system according to an embodiment of the present invention.
Fig. 2 is a plan view of a mine down-hole ventilation system according to an embodiment of the present invention.
Fig. 3 is a sectional view taken along a-a in fig. 2.
Fig. 4 is a sectional view taken along B-B in fig. 2.
Reference numerals:
100. an underground chamber;
11. an air inlet area; 12. a placement area; 13. a maintenance area; 14. an air outlet area;
21. a main fan; 22. a butterfly valve connecting cylinder;
31. a hoisting device; 311. a hook; 312. hoisting a steel beam;
41. a slide rail; 411. a stopper;
51. a wind wall; 511. an access hole; 512. a safety door; 513. an air duct; 514. a shield.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
A mine down-hole ventilation system according to an embodiment of the invention is described below with reference to fig. 1 to 4.
As shown in fig. 1 and 2, the mine underground ventilation system comprises a chamber 100 and a main fan 21, wherein the chamber 100 is internally provided with an air inlet area 11, a placing area 12, an overhaul area 13 and an air outlet area 14, and the air inlet area 11, the placing area 12, the overhaul area 13 and the air outlet area 14 are sequentially arranged along the length direction. In other words, the connection line direction of the air intake zone 11, the placement zone 12, the maintenance zone 13 and the air outlet zone 14 is the length direction of the chamber 100.
The main fan 21 is arranged in the placement area 12, the axial direction of the main fan 21 is generally parallel to the length direction of the chamber 100, the air inlet of the main fan 21 faces the air inlet area 11, the air outlet of the main fan 21 faces the air outlet area 14, namely, the gas to be exchanged enters the air inlet of the main fan 21 from the air inlet area 11, is discharged from the air outlet of the main fan 21 and is discharged to the outside of the chamber 100 from the air outlet area 14, and the main fan 21 can move to the maintenance area 13 along the axial direction.
As shown in fig. 1 and 2, since the main fan 21 is disposed in the placement area 12, the axial direction of the main fan 21 is substantially parallel to the length direction of the chamber 100, and the main fan 21 can move into the maintenance area 13 along the axial direction thereof, when the main fan 21 needs to be maintained, the main fan 21 can be moved into the maintenance area 13 along the axial direction. In other words, maintenance area 13 is located the length direction of chamber 100, arranges with the chamber 100 of the side direction maintenance among the prior art and compares, the utility model discloses mine underground ventilation system's chamber 100's span is less, compact structure, thereby makes the utility model discloses mine underground ventilation system's chamber 100's service life is long, and stability and security are high, and make things convenient for main fan 21's maintenance.
In some embodiments, as shown in fig. 1 and 2, the bottom of the chamber 100 is provided with slide rails 41, the slide rails 41 are at least partially located in the placement area 12 and the service area 13, the slide rails 41 extend along the length direction of the chamber 100, and the main fan 21 is movable along the length direction of the slide rails 41. Specifically, pulleys (not shown) are arranged at the bottom of the main fan 21, a sliding groove matched with the pulleys is formed in the sliding rail 41, and the main fan 21 can slide along the length direction of the sliding rail 41 through the pulleys, so that when the main fan 21 needs to be overhauled, the main fan 21 can be pushed to move towards the direction (such as the left side in fig. 1) of the overhaul region 13 so as to move the main fan 21 into the overhaul region 13, and therefore, the overhaul work of the main fan 21 by an operator is facilitated.
Optionally, as shown in fig. 1, a stopper 411 is installed on one side (left side in fig. 1) of the slide rail 41 away from the air intake area 11, so as to stop the main fan 21, thereby avoiding the problem that the main fan 21 slides during the maintenance process, and improving the safety of the main fan 21 during maintenance.
In some embodiments, as shown in fig. 1 and 4, the mine down-hole ventilation system further comprises a lifting device 31, the lifting device 31 being provided in the chamber 100, and a lifting device for moving the main fan 21 in a length direction of the chamber 100. Specifically, the hoisting device 31 includes a hook 311 and a hoisting steel beam 312, and both the hook 311 and the hoisting steel beam 312 are installed on the top wall of the chamber 100, and when the main fan 21 needs to be hoisted, the hook 311 and the hoisting steel beam 312 can be used in combination, so as to facilitate the maintenance of the main fan 21 by an operator.
In some embodiments, as shown in fig. 1 to fig. 3, the air inlet area 11 is provided with an air wall 51, the air wall 51 is formed by casting reinforced concrete, an air duct 513 penetrates through the air wall 51, one end of the air duct 513 (e.g., the left end of the air duct 513 in fig. 2) is communicated with the air inlet of the main fan 21, the other end of the air duct 513 (e.g., the right end of the air duct 513 in fig. 2) is communicated with the air inlet area 11, one end of the air duct 513 away from the main fan 21 is provided with a protective cover 514, and the protective cover 514 is detachably connected with the air wall 51.
Alternatively, as shown in fig. 1 to 3, the air wall 51 is provided at one side in the width direction thereof with an access opening 511 penetrating the air intake area 11 and the placement area 12, the height of the access opening 511 is not higher than that of the air wall 51, an emergency exit 512 capable of opening and closing is provided on the access opening 511, and when the emergency exit 512 is opened, the air intake area 11 communicates with the placement area 12. Note that the width direction of the wind wall 51 is the span direction of the chamber 100, i.e., the direction perpendicular to the length direction of the chamber 100.
Optionally, the height of the access opening 511 is equivalent to the height of a human body, so that a service person can enter the placing area 12 and the service area 13 through the access opening 511 to service the main fan 21, and meanwhile, since the height of the access opening 511 is lower than that of the wind wall 51, the upper end of the wind wall 51 can support the top wall of the chamber 100, that is, the span of the chamber 100 is not increased due to the opening of the access opening 511.
In some embodiments, as shown in fig. 1 and 2, the mine downhole ventilation system further comprises a butterfly valve connecting cylinder 22, one end of the butterfly valve connecting cylinder 22 (e.g., the right end of the butterfly valve connecting cylinder 22 in fig. 1) is connected with the air cylinder 513, and the other end of the butterfly valve connecting cylinder 22 (e.g., the left end of the butterfly valve connecting cylinder 22 in fig. 1) is connected with the air inlet of the main fan 21. Specifically, as shown in fig. 1, the right end of the butterfly valve connecting cylinder 22 is connected to the wind wall 51 by cast concrete, and the left end of the butterfly valve connecting cylinder 22 is connected to the main fan 21 by bolts. When the main fan 21 needs to be overhauled, the bolts between the butterfly valve connecting cylinder 22 and the main fan 21 can be detached, and then the main fan 21 is moved into the overhaul region 13 from the placement region 12 for overhauling.
In some embodiments, as shown in fig. 1 and 2, the cross-sectional area of the side of the air inlet zone 11 adjacent to the placement zone 12 (e.g., the left side of the air inlet zone 11 in fig. 2) to the side of the air inlet zone 11 away from the placement zone 12 (e.g., the right side of the air inlet zone 11 in fig. 2) gradually decreases, and the cross-sectional area of the side of the air outlet zone 14 adjacent to the service zone 13 (e.g., the right side of the air outlet zone 14 in fig. 2) to the side of the air outlet zone 14 away from the service zone 13 (e.g., the left side of the air outlet zone 14 in fig. 2) gradually decreases, i.e., the chamber 100 has a small end to end and a large middle spindle-like structure along its length.
Further, as shown in fig. 2, the number of the main fans 21 is multiple, the axes of the main fans 21 are all parallel to the length direction of the chamber 100, and the main fans 21 are arranged at intervals along the length direction perpendicular to the chamber 100, so as to improve the ventilation efficiency of the mine underground ventilation system.
In the prior art, the damaged main fan 21 is not easy to move to the overhaul area 13 in the chamber 100 for lateral overhaul, that is, the damaged main fan 21 needs to be lifted and then moved into the overhaul area 13 along the span direction of the chamber 100, which needs to increase the height of the chamber 100, so that the stability and the safety of the chamber 100 are low. And the utility model discloses a mine is ventilation system in pit can be when a main fan 21 among a plurality of main fans 21 damages, and the main fan 21 that directly will damage maintains to maintenance area 13 along its axial displacement, saves the step of hanging up the main fan 21 that will damage promptly to make things convenient for the maintenance of main fan 21.
A mine downhole ventilation system according to some specific examples of the invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the mine down-hole ventilation system includes a chamber 100, a main fan 21, a butterfly valve connecting cylinder 22, a wind wall 51, a slide rail 41, a lifting device 31, and a safety door 512.
As shown in fig. 1 and 2, the chamber 100 has an air inlet area 11, a placement area 12, an inspection area 13, and an air outlet area 14, and the air inlet area 11, the placement area 12, the inspection area 13, and the air outlet area 14 are sequentially arranged along the length direction thereof. The cross-sectional area from the left side of the air inlet area 11 to the right side of the air inlet area 11 is gradually reduced, and the cross-sectional area from the right side of the air outlet area 14 to the left side of the air outlet area 14 is gradually reduced, in other words, the chamber 100 is of a spindle-shaped structure with two small ends and a large middle part along the length direction, so that the ventilation efficiency of the mine underground ventilation system is improved.
As shown in fig. 2, the number of the main fans 21 is plural, the plural main fans 21 are all disposed in the placement area 12, the axes of the plural main fans 21 are all parallel to the length direction of the chamber 100, the plural main fans 21 are arranged at intervals along the length direction perpendicular to the chamber 100, the air inlets of the plural main fans 21 face the air inlet area 11, and the air outlets of the plural main fans 21 face the air outlet area 14. The gas to be exchanged enters the air inlet of the main fan 21 from the air inlet area 11, is discharged from the air outlet of the main fan 21 and is discharged to the outside of the chamber 100 from the air outlet area 14, and the main fans 21 can move to the maintenance area 13 along the axial direction of the main fans.
As shown in fig. 1, as shown in fig. 1 and 2, the slide rail 41 is located at the bottom of the chamber 100, the slide rail 41 is located in the placement area 12 and the maintenance area 13 and extends along the length direction of the chamber 100, pulleys are arranged at the bottom of the main fan 21, a sliding chute matched with the pulleys is arranged on the slide rail 41, and the main fan 21 can slide along the length direction of the slide rail 41 through the pulleys, so that when the main fan 21 needs to be maintained, the main fan 21 can be pushed to move towards the left to move the main fan 21 to the maintenance area 13, thereby facilitating the maintenance work of the main fan 21 by an operator. The stopper 411 is installed on the left side of the slide rail 41 to stop the main fan 21, so that the problem that the main fan 21 slides in the maintenance process can be avoided.
As shown in fig. 1 and 4, the lifting means 31 includes a hook 311 and a lifting steel beam 312, and both the hook 311 and the lifting steel beam 312 are installed at the ceiling wall of the chamber 100 for moving the main fan 21 in the length direction of the chamber 100. When the main fan 21 needs to be hoisted, the hook 311 and the hoisting steel beam 312 can be used in combination, so that an operator can conveniently overhaul the main fan 21.
As shown in fig. 3, the air wall 51 is made of reinforced concrete, an air duct 513 penetrates through the air wall 51, the left end of the air duct 513 is communicated with an air inlet of the main fan 21, the right end of the air duct 513 is communicated with the air inlet area 11, a protective cover 514 is arranged at the right end of the air duct 513, and the protective cover 514 is detachably connected with the air wall 51.
As shown in fig. 3, the air wall 51 is provided with an access opening 511 at one side in the width direction thereof, which penetrates the air intake area 11 and the placement area 12, the height of the access opening 511 is lower than that of the air wall 51, and the height of the access opening 511 is equivalent to the height of a human body. The access opening 511 is provided with an openable and closable safety door 512, and when the safety door 512 is opened, the air intake area 11 is communicated with the placement area 12.
As shown in fig. 1, the right end of the butterfly valve connecting cylinder 22 is connected to the wind wall 51 by cast concrete, and the left end of the butterfly valve connecting cylinder 22 is connected to the main fan 21 by bolts. When the main fan 21 needs to be overhauled, the bolts between the butterfly valve connecting cylinder 22 and the main fan 21 can be detached, and then the main fan 21 is moved into the overhaul region 13 from the placement region 12 for overhauling.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (11)
1. A mine down-hole ventilation system, comprising:
the underground chamber is internally provided with an air inlet area, a placing area, an overhauling area and an air outlet area, and the air inlet area, the placing area, the overhauling area and the air outlet area are sequentially arranged along the length direction of the underground chamber;
main fan, main fan locates place the district in, main fan's axial with the length direction of chamber is parallel roughly, main fan's air intake orientation the air inlet district, main fan's air outlet orientation the air-out district, main fan can follow its axial displacement extremely overhaul in the district.
2. The mine downhole ventilation system of claim 1, wherein the bottom of the chamber is provided with a slide rail at least partially located in the placement area and the service area, the slide rail extending along the length of the chamber, and the main fan being movable along the length of the slide rail.
3. The mine down-hole ventilation system of claim 2, further comprising a lifting mechanism disposed within the chamber for moving the main fan along the length of the chamber.
4. The mine downhole ventilation system of claim 3, wherein the lifting device comprises at least one of a hook and a lifting steel beam.
5. The mine downhole ventilation system of claim 2, further comprising a stop located on one side of the slide rail, the stop being located in the service area for stopping the main fan.
6. The mine underground ventilation system of claim 1, wherein the air inlet area is provided with an air wall, an air cylinder penetrates through the air wall, one end of the air cylinder is communicated with the air inlet of the main fan, and the other end of the air cylinder is communicated with the air inlet area.
7. The mine underground ventilation system according to claim 6, wherein the air wall is provided with an access opening penetrating through the air inlet area and the placement area on one side in the width direction thereof, the access opening is not higher than the air wall in height, an openable and closable safety door is provided on the access opening, and the air inlet area is communicated with the placement area when the safety door is opened.
8. The mine downhole ventilation system of claim 6, further comprising a butterfly valve connector, wherein one end of the butterfly valve connector is connected to the air duct, and the other end of the butterfly valve connector is connected to the air inlet of the main fan.
9. The mine downhole ventilation system of claim 6, wherein a protective cover is disposed on an end of the air duct remote from the main fan.
10. The mine downhole ventilation system of any one of claims 1 to 9, wherein the cross-sectional area of the air inlet section decreases from a side of the air inlet section adjacent the setting section to a side of the air inlet section remote from the setting section, and the cross-sectional area of the air outlet section decreases from a side of the air outlet section adjacent the service section to a side of the air outlet section remote from the service section.
11. The mine downhole ventilation system of claim 10, wherein said main fan is a plurality of said main fans, each of said plurality of main fans having an axis parallel to the length of said chamber and spaced apart in a direction perpendicular to the length of said chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021756467.6U CN214091938U (en) | 2020-08-20 | 2020-08-20 | Mine underground ventilation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021756467.6U CN214091938U (en) | 2020-08-20 | 2020-08-20 | Mine underground ventilation system |
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| CN214091938U true CN214091938U (en) | 2021-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065493A (en) * | 2020-08-20 | 2020-12-11 | 中国冶金科工股份有限公司 | Mine underground ventilation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065493A (en) * | 2020-08-20 | 2020-12-11 | 中国冶金科工股份有限公司 | Mine underground ventilation system |
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