CN217368708U - Coal face coal gangue treatment equipment and coal mining system - Google Patents
Coal face coal gangue treatment equipment and coal mining system Download PDFInfo
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- CN217368708U CN217368708U CN202220158653.2U CN202220158653U CN217368708U CN 217368708 U CN217368708 U CN 217368708U CN 202220158653 U CN202220158653 U CN 202220158653U CN 217368708 U CN217368708 U CN 217368708U
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Abstract
The utility model provides a coal face coal gangue treatment facility and coal mining system relates to the colliery technical field who selects separately, fills in the pit. Wherein, including breaker and screening plant, breaker has the discharge gate, breaker's discharge gate is located the feed inlet top of screening plant, screening plant's low reaches still is provided with sorting unit, sorting unit is used for following select the coal gangue in the material after the screening plant sieves. The coal mining system comprises the coal face coal gangue treatment equipment. Through realizing the miniaturization of sorting unit, need not to select separately at special separation chamber, can arrange coal gangue treatment facility in the transfer passage of raw coal, also reduced the energy that reverse transport coal gangue consumed, reduced energy resource consumption and mining cost.
Description
Technical Field
The utility model relates to a colliery is technical field of sorting in the pit, filling, particularly, relates to a coal face coal gangue treatment facility and coal mining system.
Background
The coal gangue is solid waste discharged in the coal mining process and the coal washing process, is a black grey rock which has lower carbon content and is harder than coal and is associated with a coal bed in the coal forming process, is one of mining solid waste, and comprises a mixture of coal gangue washed in a coal washing plant, hand-selected gangue in coal production, coal and rock discharged in the tunneling of a half coal roadway and a rock roadway, white gangue outside a coal system stacked together with the coal gangue and the like.
The underground separation of the coal gangue is realized in China, mainly by digging a separation chamber underground, carrying out the separation of the coal gangue in the separation chamber, and then transporting the gangue to an underground goaf for backfilling. The main disadvantages are that: firstly, a coal and gangue separation chamber with a larger space needs to be excavated; secondly, after the raw coal is separated in the separation chamber, the gangue needs to be conveyed to a goaf behind the working face again, so that the back-turning transportation of the gangue exists, a gangue transportation line needs to be arranged, and a large amount of roadway space is occupied. This results in higher investment and operating costs for the gangue separation and filling system.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a coal face coal gangue treatment facility to solve the great technical problem of gangue treatment facility occupation space that exists among the prior art.
The utility model provides a coal face coal gangue treatment facility, including breaker and screening plant, breaker has the discharge gate, breaker's discharge gate is located screening plant's feed inlet top, screening plant's low reaches still is provided with sorting unit, sorting unit is used for following the coal gangue is selected in the material after the screening of screening plant.
The utility model provides a coal face coal gangue treatment facility sets up breaker in the upper reaches of screening plant, and breaker's discharge gate is located screening plant's feed inlet top promptly to set up sorting unit in screening plant's low reaches, can realize: before screening plant sieves the material, carry out the breakage by breaker earlier, sieve the material after the breakage again, the less material of size that makes the breakage produce can be sieved earlier by screening plant and fall, do not influence sorting unit and select separately, so reduced the material quantity that needs to be selected separately by sorting unit, and then can reduce and divide these materials into and divide out required area, can also reduce simultaneously that sorting unit snatchs, the migration distance when removing the material, thereby also can realize sorting unit's miniaturization.
When the miniaturization of the sorting device is realized, the sorting is not needed to be carried out in a special sorting chamber, the cost for excavating the sorting chamber is eliminated, and meanwhile, because the sorting is not needed in the special sorting chamber, the coal gangue treatment equipment can be arranged in a conveying channel of raw coal, the distance between a coal face and the sorting device for sorting the coal gangue can be shortened, the reverse conveying distance of the coal gangue is reduced, the energy consumed by reversely conveying the coal gangue is reduced, and the energy consumption and the mining cost are reduced.
In a preferable technical scheme, the crusher further comprises a bridge type transfer conveyor, an outlet of the bridge type transfer conveyor is located above a feeding port of the crushing device, and an inlet of the bridge type transfer conveyor is lower than the outlet of the bridge type transfer conveyor.
Through setting up the bridge type elevating conveyor to make the entry of bridge type elevating conveyor be less than the export of bridge type elevating conveyor, can utilize the bridge type elevating conveyor to rise the transport height of material, in-process in order to do benefit to subsequent breaker, screening plant to convey the material step by step, the transport height of material has sufficient reduction space.
In a preferable technical scheme, the bridge type reversed loader further comprises a first scraper conveyor, and an outlet of the first scraper conveyor is higher than an inlet of the bridge type reversed loader.
Through setting up first scraper conveyor, can carry the entry to bridge type elevating conveyor with the raw coal of exploitation to bridge type elevating conveyor can convey the raw coal to subsequent breaker and screening plant.
In the preferable technical scheme, the screening device further comprises a material distribution device, the material distribution device is located below the sorting device, and a feed inlet of the material distribution device is located below a discharge outlet of the screening device.
Through setting up the distributing device, can expand the material that needs were selected separately, make it shakeout as far as possible to do benefit to sorting unit and discern the gangue from these materials, also do benefit to sorting unit simultaneously and after discerning the gangue, do not receive the influence of other materials as far as possible when snatching the gangue, touch other materials when also avoiding removing the gangue as far as possible, disturb the transportation of other materials.
In a preferred technical scheme, the sorting device comprises an identification device and a manipulator, the identification device is used for identifying the coal gangue, and the manipulator is used for grabbing the coal gangue from the distributing device.
The coal gangue is identified by the identification device, and then the coal gangue is grabbed by the manipulator, so that the coal gangue is favorably and accurately separated from other materials, and the coal gangue is backfilled to the goaf.
In the preferred technical scheme, the coal conveying device further comprises a coal conveying belt machine, wherein an inlet of the coal conveying belt machine is located below the screening device, and the coal conveying belt machine is used for conveying coal blocks to underground main conveying equipment.
Through setting up the coal conveying belt feeder, carry the coal cinder to main conveying equipment in the pit, can accomplish and carry the coal cinder from coal face coal gangue treatment equipment to main conveying equipment in the pit, can improve the compatibility to the used device of current coal conveying simultaneously, reduce construction cost.
In the preferred technical scheme, the waste rock conveying device further comprises a waste rock conveying belt machine, the local part of the waste rock conveying belt machine and the material distribution device are arranged side by side, and the conveying direction of the waste rock conveying belt machine is opposite to that of the material distribution device.
The gangue conveying belt conveyor and the distributing device are arranged side by side, so that a manipulator of the sorting device can directly move along the main direction perpendicular to material conveying, and the gangue can be moved onto the gangue conveying belt conveyor as long as the manipulator moves along the main direction.
In the preferred technical scheme, still include second scraper conveyor, second scraper conveyor's entry is located the below of defeated cash belt feeder's export, second scraper conveyor with first scraper conveyor sets up side by side, just second scraper conveyor's direction of delivery with first scraper conveyor's direction of delivery is opposite.
The inlet of the second scraper conveyor is arranged below the outlet of the gangue belt conveyor, so that the conveying process of the gangue can be turned, the conveying direction of the second scraper conveyor is arranged in a reverse direction with the first scraper conveyor, and the gangue can be conveyed back to the position near the coal face, so that the goaf can be backfilled.
In an optimal technical scheme, the second scraper conveyor is positioned on one side, facing the backfill goaf, of the first scraper conveyor, and the first scraper conveyor is positioned on one side, facing the coal body to be mined, of the second scraper conveyor.
The second scraper conveyor is arranged on one side, facing the backfill goaf, of the first scraper conveyor, so that the goaf can be backfilled after the coal is mined on the working face, the time of the goaf not being backfilled is shortened, and the coal mining safety is improved.
A second object of the utility model is to provide a coal mining system to solve the great technical problem of gangue treatment facility occupation space that exists among the prior art.
The utility model provides a coal mining system, including main conveying equipment in the pit and the coal face coal gangue treatment facility of above-mentioned arbitrary item.
Because the utility model provides a coal mining system includes foretell coal face coal gangue treatment facility, so had foretell coal face coal gangue treatment facility's whole technological effect, no longer repeated here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a top view of a coal face gangue treatment device provided by an embodiment of the present invention;
fig. 2 is a front view of a coal face gangue treatment device provided by the embodiment of the utility model.
Description of reference numerals:
1. a first scraper conveyor; 2. a bridge type reversed loader; 3. a crushing device; 4. a screening device; 5. a material distribution device; 6. a sorting device; 61. a manipulator; 7. a coal conveying belt conveyor; 8. a waste rock conveying belt machine; 9. a second scraper conveyor; 98. a coal face; 99. and (4) collecting the goaf.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a top view of a coal face gangue treatment device provided by an embodiment of the present invention;
fig. 2 is a front view of a coal face gangue treatment device provided by the embodiment of the utility model. As shown in fig. 1-2, the coal mining face coal gangue treatment equipment provided by this embodiment includes a crushing device 3 and a screening device 4, the crushing device 3 has a discharge port, the discharge port of the crushing device 3 is located above the feed port of the screening device 4, a sorting device 6 is further disposed downstream of the screening device 4, and the sorting device 6 is used for sorting coal gangue from materials screened by the screening device 4.
Wherein, screening plant 4 can select for use vibrating screening plant, sets up the board that has the hole in screening plant 4, and when the board was at the vibration, the material dispersion was at the upper surface of board to, when the size of material was less than the diameter of hole, the material just can be followed the hole and fallen. If not, will move in the direction of conveyance to the inlet of the next device.
This coal face coal gangue treatment facility sets up breaker 3 in the upper reaches of screening plant 4, and the discharge gate of breaker 3 is located the feed inlet top of screening plant 4 promptly to set up sorting unit 6 in the low reaches of screening plant 4, can realize: before screening plant 4 sieves the material, carry out the breakage by breaker 3 earlier, sieve the material after the breakage again, make the less material of size that the breakage produced can be sieved by screening plant 4 earlier, do not influence sorting unit 6 and select separately, so reduced the material quantity that needs are selected separately by sorting unit 6, and then can reduce and share required area with these materials, can also reduce simultaneously that sorting unit 6 snatchs, the displacement when moving the material, thereby also can realize sorting unit 6's miniaturization.
When the size of the sorting device 6 is reduced, sorting in a special sorting chamber is not needed, the cost of excavating the sorting chamber is eliminated, and meanwhile, sorting in the special sorting chamber is not needed, so that coal gangue processing equipment can be arranged in a conveying channel of raw coal, the distance between a coal face 98 and the sorting device 6 for sorting the coal gangue can be shortened, the reverse conveying distance of the coal gangue is reduced, energy consumed by reversely conveying the coal gangue is reduced, and energy consumption and mining cost are reduced.
As shown in fig. 1-2, it is preferable that the crusher further comprises a bridge type reversed loader 2, wherein an outlet of the bridge type reversed loader 2 is positioned above an inlet of the crushing device 3, and an inlet of the bridge type reversed loader 2 is lower than an outlet of the bridge type reversed loader 2.
Through setting up bridge type elevating conveyor 2 to make the entry of bridge type elevating conveyor 2 be less than the export of bridge type elevating conveyor 2, can utilize bridge type elevating conveyor 2 to rise the transport height of material, in-process in order to do benefit to subsequent breaker 3, screening plant 4 conveying material step by step, the transport height of material has sufficient reduction space.
As shown in fig. 1-2, it is preferable that a first scraper conveyor 1 is further included, and an outlet of the first scraper conveyor 1 is higher than an inlet of the bridge type elevating conveyor 2.
Specifically, as shown in fig. 1-2, the first scraper conveyor 1 is arranged perpendicular to the bridge loader 2, i.e., the first scraper conveyor 1 is arranged parallel or approximately parallel to the coal face 98. Due to the arrangement, the conveying directions of the crushing device 3 and the screening device 4 are perpendicular to the coal face 98, and the interference of crushing, screening and sorting links on coal mining is avoided.
By providing the first scraper conveyor 1, mined raw coal can be conveyed to the entrance of the bridge conveyor 2 so that the bridge conveyor 2 can convey the raw coal to the subsequent crushing device 3 and screening device 4.
As shown in fig. 1-2, it is preferable that the screening device further comprises a material distribution device 5, wherein the material distribution device 5 is located below the sorting device 6, and a feed inlet of the material distribution device 5 is located below a discharge outlet of the screening device 4.
Through setting up distributing device 5, can expand the material that needs were selected separately, make it shakeout as far as possible to do benefit to sorting unit 6 and discern the gangue from these materials, also do benefit to sorting unit 6 simultaneously and after discerning the gangue, do not receive the influence of other materials as far as possible when snatching the gangue, touch other materials when also avoiding removing the gangue as far as possible, disturb the transportation of other materials.
As shown in fig. 2, the sorting device 6 preferably includes an identification device (not shown) for identifying the coal refuse, and a manipulator 61 for grasping the coal refuse from the distributing device 5.
Specifically, the identification device may identify the coal briquette or the coal gangue in a computer vision manner, or may identify the coal gangue in a ray radiation manner. In addition, manipulator 61 can arrange a plurality ofly along the direction of material transport, like this, every manipulator 61 only needs the perpendicular to material direction of delivery to remove, can take out the coal gangue, simultaneously, arranges a plurality of manipulators 61, can realize a plurality of manipulators 61 simultaneous workings, is convenient for guarantee the speed of carrying when improving the discernment rate of accuracy.
The coal gangue is identified by the identification device, and then the coal gangue is grabbed by the manipulator 61, so that the coal gangue is favorably and accurately separated from other materials, and the coal gangue is backfilled to the goaf 99.
As shown in fig. 1-2, it is preferable that a coal conveyor 7 is further included, an inlet of the coal conveyor 7 is positioned below the screening device 4, and the coal conveyor 7 is used for conveying the coal blocks to a downhole main conveying device (not shown in the figures).
Through setting up coal conveying belt feeder 7, carry the coal cinder to main conveying equipment in the pit, can accomplish the coal cinder from coal face coal gangue treatment facility to main conveying equipment in the pit and carry, can improve the compatibility to the used device of current coal conveying simultaneously, reduce construction cost.
As shown in fig. 1-2, it is preferable that the waste rock conveying device further comprises a waste rock conveying belt machine 8, a part of the waste rock conveying belt machine 8 is arranged side by side with the material distributing device 5, and the conveying direction of the waste rock conveying belt machine 8 is opposite to the material distributing device 5.
The gangue conveying belt conveyor 8 and the distributing device 5 are arranged side by side, so that the manipulator 61 of the sorting device 6 can move directly along the main direction perpendicular to the material conveying direction, and the gangue can be moved onto the gangue conveying belt conveyor 8 as long as the manipulator moves along the main direction.
As shown in fig. 1-2, it is preferable that a second scraper conveyor 9 is further included, an inlet of the second scraper conveyor 9 is located below an outlet of the gangue conveyor 8, the second scraper conveyor 9 is arranged side by side with the first scraper conveyor 1, and a conveying direction of the second scraper conveyor 9 is opposite to a conveying direction of the first scraper conveyor 1.
The inlet of the second scraper conveyor 9 is arranged below the outlet of the gangue belt conveyor 8, so that the conveying process of the gangue can be turned, the conveying direction of the second scraper conveyor 9 is arranged in the reverse direction of the first scraper conveyor 1, and the gangue can be conveyed to the position near the coal face 98, so that the goaf 99 can be backfilled.
As shown in fig. 1, preferably, the second scraper conveyor 9 is located on the side of the first scraper conveyor 1 facing the backfill gob 99, and the first scraper conveyor 1 is located on the side of the second scraper conveyor 9 facing the coal to be mined.
The second scraper conveyor 9 is arranged on one side, facing the backfill goaf 99, of the first scraper conveyor 1, so that the goaf 99 can be backfilled after coal mining is carried out on a working face, the time of the goaf 99 which is not backfilled is shortened, and the coal mining safety is improved.
The operation principle of the embodiment is as follows:
after being mined from the coal face 98, the raw coal is transported by the first scraper conveyor 1 in a direction parallel to the coal face 98 to the entrance of the bridge conveyor 2. The height of the raw coal is raised and the conveying direction is changed by 90 ° by the transportation by the bridge type elevating conveyor 2. After the raw coal is conveyed from the bridge conveyor 2 to the crushing device 3, the crushing device 3 crushes the raw coal and outputs the crushed product to the screening device 4. The screening device 4 advances the crushed product that has not been screened while screening the crushed product. Broken result enters into distributing device 5 after, is further shakeouts by distributing device 5, and the recognition device of being convenient for discerns, and the manipulator 61 that also is convenient for lie in distributing device 5 top simultaneously snatchs the gangue to defeated cash belt feeder 8. The coal blocks which are not grabbed are continuously conveyed to a coal conveying belt conveyor 7 and further conveyed to underground main conveying equipment. And the captured coal gangue is conveyed by the gangue conveying belt conveyor 8, the conveying direction of the coal gangue is changed by 90 degrees, and the coal gangue is conveyed to the second scraper conveyor 9 and backfilled to the goaf 99 through the second scraper conveyor 9.
The application also provides an embodiment, and the coal mining system provided by the embodiment comprises the underground main conveying equipment and the coal face gangue treatment equipment.
Because the utility model provides a coal mining system includes foretell coal face coal gangue treatment facility, so had foretell coal face coal gangue treatment facility's whole technological effect, no longer repeated here.
Finally, it should also be noted that, in this document, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a coal face coal gangue treatment facility, its characterized in that, includes breaker (3) and screening plant (4), breaker (3) have the discharge gate, the discharge gate of breaker (3) is located the feed inlet top of screening plant (4), the low reaches of screening plant (4) still are provided with sorting unit (6), sorting unit (6) are used for following select coal gangue in the material after screening plant (4) have sieved.
2. A coal face gangue handling equipment according to claim 1, characterized by further comprising a bridge elevating conveyor (2), the outlet of the bridge elevating conveyor (2) being located above the inlet of the crushing device (3), the inlet of the bridge elevating conveyor (2) being lower than the outlet of the bridge elevating conveyor (2).
3. A coal face gangue handling equipment according to claim 2, characterized by further comprising a first scraper conveyor (1), the outlet of the first scraper conveyor (1) being higher than the inlet of the bridge conveyor (2).
4. The coal face gangue treatment equipment as claimed in any one of claims 1-3, further comprising a distributing device (5), wherein the distributing device (5) is located below the sorting device (6), and a feed inlet of the distributing device (5) is located below a discharge outlet of the screening device (4).
5. The coal face gangue handling equipment as claimed in claim 4, characterized in that the sorting device (6) comprises an identification device for identifying the gangue and a manipulator (61) for grabbing the gangue from the distribution device (5).
6. The coal face gangue treatment equipment as claimed in claim 5, further comprising a coal belt conveyor (7), wherein the inlet of the coal belt conveyor (7) is positioned below the screening device (4), and the coal belt conveyor (7) is used for conveying the coal blocks to a downhole main conveying equipment.
7. The coal face coal gangue treatment equipment as claimed in claim 4, further comprising a gangue conveying belt conveyor (8), wherein a part of the gangue conveying belt conveyor (8) is arranged side by side with the material distribution device (5), and the conveying direction of the gangue conveying belt conveyor (8) is opposite to the material distribution device (5).
8. The coal face coal gangue treatment equipment as claimed in claim 3, further comprising a second scraper conveyor (9), a material distribution device (5) and a gangue conveying belt conveyor (8), wherein part of the gangue conveying belt conveyor (8) is arranged side by side with the material distribution device (5), and the conveying direction of the gangue conveying belt conveyor (8) is opposite to that of the material distribution device (5); the material distribution device (5) is positioned below the sorting device (6), and a feed inlet of the material distribution device (5) is positioned below a discharge outlet of the screening device (4); the inlet of the second scraper conveyor (9) is located below the outlet of the gangue conveying belt conveyor (8), the second scraper conveyor (9) and the first scraper conveyor (1) are arranged side by side, and the conveying direction of the second scraper conveyor (9) is opposite to the conveying direction of the first scraper conveyor (1).
9. The coal face gangue handling equipment according to claim 8, characterized in that the second scraper conveyor (9) is located on the side of the first scraper conveyor (1) facing the backfill gob (99), and the first scraper conveyor (1) is located on the side of the second scraper conveyor (9) facing the coal to be mined.
10. A coal mining system comprising a down-hole primary conveyor apparatus and a coal face gangue handling apparatus as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220158653.2U CN217368708U (en) | 2022-01-20 | 2022-01-20 | Coal face coal gangue treatment equipment and coal mining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220158653.2U CN217368708U (en) | 2022-01-20 | 2022-01-20 | Coal face coal gangue treatment equipment and coal mining system |
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| Publication Number | Publication Date |
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| CN217368708U true CN217368708U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220158653.2U Active CN217368708U (en) | 2022-01-20 | 2022-01-20 | Coal face coal gangue treatment equipment and coal mining system |
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| CN (1) | CN217368708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115539122A (en) * | 2022-11-22 | 2022-12-30 | 山西正大恒通科技有限公司 | Coal gangue underground filling system and method |
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2022
- 2022-01-20 CN CN202220158653.2U patent/CN217368708U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115539122A (en) * | 2022-11-22 | 2022-12-30 | 山西正大恒通科技有限公司 | Coal gangue underground filling system and method |
| CN115539122B (en) * | 2022-11-22 | 2023-02-28 | 山西正大恒通科技有限公司 | Coal gangue underground filling system and method |
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