CN212576904U - Intelligent automatic sorting system for coal - Google Patents
Intelligent automatic sorting system for coal Download PDFInfo
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- CN212576904U CN212576904U CN202021079531.1U CN202021079531U CN212576904U CN 212576904 U CN212576904 U CN 212576904U CN 202021079531 U CN202021079531 U CN 202021079531U CN 212576904 U CN212576904 U CN 212576904U
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Abstract
The utility model discloses an intelligent automatic sorting system for coal, which comprises a roller screen, a primary distribution belt conveyor, a secondary distribution belt conveyor, a sorting belt conveyor, an identification system, an execution system, a gangue belt conveyor and a clean coal belt conveyor; the roller screen is used for screening incoming materials, screening out small materials and simultaneously finishing material spreading; the first-stage distribution belt conveyor, the second-stage distribution belt conveyor and the sorting belt conveyor are sequentially connected in sequence, and uniform distribution of materials is achieved. The utility model discloses an intelligent automatic separation system for coal can be used for realizing that high-efficient automatic material is selected separately, both include the separation of coal and waste rock, include the separation of gold ore, tungsten ore, iron ore and other ores again. The utility model discloses a recognition and centralized control system's calculation through ray identification system realizes selecting separately the dry process of material.
Description
Technical Field
The utility model belongs to the technical field of coal is selected separately, more specifically the intelligent automatic separation system for coal that says so relates to.
Background
In coal mine raw coal mining, automatic selection of coal gangue is one of important links in the modern coal production and processing process. In most coal mining production in China, mined coal is screened to sort out massive coal gangues with a certain size, and then coal blocks mixed in the coal gangues are manually sorted out.
Chinese patent CN101637765A discloses a gangue automatic sorting machine, mainly by conveying mechanism, recognition control mechanism, the mechanism of lining up and actuating mechanism constitute, wherein, conveying mechanism is belt conveyor, be equipped with the feeder hopper directly over the feed end of conveyor, be equipped with waste rock storehouse and coal bunker along direction of delivery in proper order under the discharge end of conveyor, the coal cinder and the coal gangue that fall down by the feeder hopper are at the in-process that the conveyor was carried, in proper order through the mechanism of lining up, recognition control mechanism and actuating mechanism, recognition control mechanism transmits the material signal of response for actuating mechanism, select separately coal cinder and coal gangue by actuating mechanism, wherein the coal cinder falls to the coal bunker in, the coal gangue falls to the waste rock storehouse in. The queuing mechanism is used for dividing materials falling to the conveyor into a plurality of rows which are arranged in parallel along the transverse direction, and comprises queuing plates which are arranged in parallel along the transverse direction at intervals, the width of each queuing plate is gradually reduced along the conveying direction, each queuing plate is hinged on a cross rod above the conveyor through a support plate fixedly arranged on each queuing plate, a gap between every two adjacent queuing plates is an arrangement channel for the materials to pass through, the materials are divided into a plurality of rows under the separation effect of each arrangement channel, and for each row of materials, the materials are all arranged in sequence by one block regardless of coal blocks or coal gangue; the identification control mechanism is used for judging the arranged materials to distinguish coal blocks and coal gangue and comprises a single-energy gamma ray source arranged below a conveying belt, a ray sensor and an ultrasonic generation receiver which are arranged above the conveying belt and correspond to the single-energy gamma ray source, and a controller, wherein the signal input end of the controller is respectively connected with the signal output end points of the ray sensor and the ultrasonic generation receiver, so that the controller can receive signals transmitted by the ray sensor and the ultrasonic generation receiver; the executing mechanism is used for conveying the materials thrown down by the discharge end of the conveyor into the coal bunker and the waste rock bunker in a classified mode according to the indication of the controller, and comprises high-frequency air valves arranged above the coal bunker and the waste rock bunker, wherein the exhaust ports of the high-frequency air valves face the throwing track of the materials, and the signal input ends of the high-frequency air valves are connected with the signal output end of the controller. When the coal gangue material sorting device works, after materials composed of coal blocks and coal gangue fall onto a conveying belt of a conveyor from a feeding hopper, the materials pass through the identification control mechanism through the arrangement of the queuing mechanism, a material signal sensed by the single-energy gamma ray source is transmitted to the controller by the ray sensor, the controller calculates the signal according to the identification mathematical models of the coal blocks and the coal gangue to obtain a density weighted value of the materials, the weighted value is compared with a preset weighted value, the coal gangue is judged to be higher than the preset value, and the coal gangue is judged to be lower than the preset value; when the coal gangue is judged to be the coal gangue, after the time delay set by the controller, when the coal gangue passes through the high-frequency gas valve in the throwing process, the controller opens the high-frequency gas valve, the high-pressure gas just hits the thrown coal gangue, the thrown coal gangue deviates from the original throwing track and falls into the coal gangue bin, and the coal blocks which are not hit naturally fall into the coal bin according to the original track, so that the separation of the coal blocks and the coal gangue is realized. The actuating mechanism of the separator changes the throwing track of the coal gangue by depending on the impact of the high-frequency gas valve on the coal gangue to realize the separation of the coal gangue and the coal blocks, and has the separation defect that the identification control mechanism can only judge the type difference of the coal blocks and the coal gangue, so that the impact force of high-pressure gas sprayed by the high-frequency gas valve every time is constant, and the size and the weight of the coal gangue are different; on the other hand, for the coal gangue with smaller blocks, the impact force of high-pressure gas sprayed out by the high-frequency gas valve is too large, so that the coal gangue with smaller blocks is easy to flush out of a coal gangue bin, and the cleaning burden is increased.
The gangue automatic separator further improved from the patent comprises a raw material feeding and conveying belt conveyor, a roller screen, a primary distributing belt conveyor, a secondary distributing belt conveyor, a separating belt conveyor, a coal conveying belt conveyor, a gangue receiving hopper, a gangue conveying belt conveyor, an identification and separation control system and an execution mechanism; the identification and sorting control mechanism comprises an infrared profile identification device, a binocular vision identification device, a single-energy gamma ray source, a ray sensor positioned at the position of the single-energy gamma ray source, a measurement and control instrument electrically connected with the ray sensor and an ultrasonic emission receiver arranged above the conveying belt and electrically connected with the measurement and control instrument; the technical actuating mechanism is a shifting plate arranged on two sides of a coal and gangue belt conveyor, and the motion track of the shifting plate swings left and right above the belt of the belt conveyor. The coal and the gangue are identified by the identification system, and then the pneumatic execution shifting plate is started to realize the separation of the coal and the gangue.
In the process of using the existing dry coal separation device, the movement speed of the shifting plate is high, and when the coal and the gangue are shifted and separated, the coal or the gangue is easy to break, so that the quality of the material is influenced; a material distribution queuing system is needed before feeding of the system, the material distribution queuing system is relatively complex, the required queuing distance is long, the occupied space is large, and the front system and the rear system often conflict with each other, so that the failure rate is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an intelligence automatic separation system for coal can avoid the front and back system conflict phenomenon to take place, has greatly reduced the fault rate of system.
In order to achieve the purpose, the utility model provides an intelligent automatic sorting system for coal, which comprises a roller screen, a primary distribution belt conveyor, a secondary distribution belt conveyor, a sorting belt conveyor, an identification system, an execution system, a gangue belt conveyor and a clean coal belt conveyor; the roller screen is used for screening supplied materials, screening out small materials and meanwhile completing material distribution. The first-stage distribution belt conveyor, the second-stage distribution belt conveyor and the sorting belt conveyor are sequentially connected in sequence, and uniform distribution of materials is achieved.
Wherein, identification system realizes material identification on the belt, and the waste rock that the waste rock belt feeder will divide the election is transported to the waste rock storehouse, and the cleaned coal belt feeder transports the coal cinder after selecting separately to the cleaned coal storehouse.
In addition, the roller screen is arranged at a material input end material at a certain inclined angle, a one-level material distribution belt conveyor is connected to the rear end of the inclined roller screen, a two-level material distribution belt conveyor is arranged at the rear end of the one-level material distribution belt conveyor, the horizontal plane of the two-level material distribution belt conveyor is slightly lower than that of the one-level material distribution belt conveyor, a separation belt conveyor is arranged at the rear end of the two-level material distribution belt conveyor, the horizontal plane of the separation belt conveyor is slightly lower than that of the two-level material distribution belt conveyor, the one-level material distribution belt conveyor, the two-level material distribution belt conveyor and the separation belt conveyor.
Furthermore, the roller screen connected and arranged at the material input end is a multi-roller screen body, and the screen discs installed on the roller screen in a staggered mode are driven to rotate through a chain wheel or a gear of the roller system; in the conveying process, materials below the sieve holes can fall into a belt conveyor below through the sieve tray and are conveyed to other systems, materials larger than the sieve holes are uniformly distributed according to the gaps of the rollers, the materials are queued to enter the conveying system, the materials are distributed by 3-10 lines through the distribution of the roller queuing system, and the lines after distribution can also be larger than 10 pairs according to the particle size of the materials and the width of the conveying system.
Furthermore, the queued materials enter a first-level material distribution belt conveyor, a material interference system is arranged on the first-level material distribution belt conveyor, single-row arrangement of the materials on a belt can be realized through the material interference system, and single-row linear arrangement of the materials on the belt can also be realized through queuing baffles on two sides of the first-level material distribution belt conveyor; after passing through the first-stage distribution belt conveyor, the materials enter a second-stage distribution belt conveyor, the materials are arranged on the belt in a linear mode for the second time, the distance between the materials is expanded to a proper distance, and the proper distance is convenient for identifying parameters such as the property, the particle size and the quality of the materials with high precision; after passing through the second-level material distribution belt conveyor, the materials enter the separation belt conveyor, the material distance is further increased, and preparation is made for subsequent plate shifting and separation.
Preferably, a recognition system is arranged on the sorting belt conveyor, the recognition system is preferably a ray recognition system, and a ray source generates high voltage by a high-voltage generator to emit X rays; the recognition system may also employ high-speed image recognition cameras, fluorescent generators, and the like.
More preferably, the lower part of the sorting belt conveyor is provided with a radiation source detection plate, the radiation source detection plate identifies gangue carried in coal according to the difference of internal atomic sequence composition of the coal and the gangue, the gangue is accurately positioned, and positioning information is transmitted to the centralized control system so as to drive the actuating mechanism to act.
Compared with the prior art the utility model discloses an intelligence automatic separation system for coal has following advantage.
1. The material is thoroughly sieved and spread by a roller screen.
2. The materials are fully dispersed through the three-stage cloth belt, and the uniform arrangement of single rows of the materials is realized.
3. And finally, the gangue or coal blocks can be accurately sorted by the shifting plate actuating mechanism.
The utility model is used for intelligent automatic separation system of coal can be used for realizing that high-efficient automatic material is selected separately, both includes the separation of coal and waste rock, includes the separation of gold ore, tungsten ore, iron ore and other ores again. The utility model discloses a recognition and centralized control system's calculation through ray identification system realizes selecting separately the dry process of material. The technology has strong applicability, can solve the problem of material separation, can save water resources, avoids secondary pollution to the environment, and has wide market application prospect.
Drawings
Fig. 1 is a schematic equipment flow diagram of an intelligent automatic coal sorting system.
Fig. 2 is a schematic view of a sorting process flow of the intelligent automatic sorting system for coal.
The reference numbers are as follows: the system comprises a roller screen 201, a primary distributing belt conveyor 301, a secondary distributing belt conveyor 302, a sorting belt conveyor 303, an identification system 401, an execution system 501, a gangue belt conveyor 601 and a clean coal belt conveyor 701.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
The utility model provides an intelligent automatic separation system for coal, it mainly includes roller screen 201, one-level cloth belt feeder 301, second grade cloth belt feeder 302, selects separately belt feeder 303, identification system 401, actuating system 501, gangue belt feeder 601, clean coal belt feeder 701.
The roller screen 201 is used for screening incoming materials, screening out small materials and simultaneously completing material distribution. The first-stage distribution belt conveyor 301, the second-stage distribution belt conveyor 302 and the sorting belt conveyor 303 are sequentially connected to realize uniform distribution of materials. Identification system 401 enables identification of materials on a belt. The execution system 501 implements sorting of identified materials. The gangue belt conveyor 601 transports the sorted gangue to a gangue bin. The cleaned coal belt conveyor 701 transports the sorted coal blocks to a cleaned coal bunker.
As shown in fig. 1 and 2, the roller screen 201 is disposed at a material input end (the material includes coal or gangue) at a certain inclination angle, a first-stage material distribution belt conveyor 301 is connected to the rear end of the obliquely disposed roller screen 201, a second-stage material distribution belt conveyor 302 is disposed at the rear end of the first-stage material distribution belt conveyor 301, the setting level of the second-stage material distribution belt conveyor 302 is slightly lower than that of the first-stage material distribution belt conveyor 301, a separation belt conveyor 303 is disposed at the rear end of the second-stage material distribution belt conveyor 302, the setting level of the separation belt conveyor 303 is slightly lower than that of the second-stage material distribution belt conveyor 302, the first-stage material distribution belt conveyor 301, the second-stage material distribution belt conveyor 302, and the separation belt conveyor 303 are sequentially.
The roller screen 201 connected with the material input end is a multi-roller screen body, and is rotated by a chain wheel or a gear of a roller system through a screen disc installed on the roller screen in a staggered manner; in the conveying process, materials below the sieve holes can fall into a belt conveyor below through the sieve tray and are conveyed to other systems, materials larger than the sieve holes are uniformly distributed according to the gaps of the rollers, the materials are queued to enter the conveying system, the materials are distributed by 3-10 lines through the distribution of the roller queuing system, and the lines after distribution can also be larger than 10 pairs according to the particle size of the materials and the width of the conveying system.
The queued materials enter a first-level material distribution belt conveyor 301, a material interference system is arranged on the first-level material distribution belt conveyor 301, single-row arrangement of the materials on a belt can be realized through the material interference system, and single-row linear arrangement of the materials on the belt can also be realized through queuing baffles on two sides of the first-level material distribution belt conveyor; after passing through the primary distribution belt conveyor, the materials enter a secondary distribution belt conveyor 302, the materials are arranged on the belt in a linear mode for the second time, and the distance between the materials is expanded to a proper distance, so that the proper distance is convenient for identifying the parameters such as the property, the particle size and the quality of the materials with high precision; after passing through the secondary distribution belt conveyor, the materials enter the separation belt conveyor 303, the material distance is further increased, and preparation is made for subsequent plate shifting and separation.
The sorting belt conveyor is provided with a recognition system, the recognition system preferably selects a ray recognition system, and a ray source generates high voltage by a high-voltage generator to emit X rays; the recognition system may also employ high-speed image recognition cameras, fluorescent generators, and the like. The lower part of the sorting belt conveyor is provided with a radiation source detection plate, the radiation source detection plate identifies the gangue carried in the coal according to the difference of the internal atomic sequence composition of the coal and the gangue, accurately positions the gangue, and transmits positioning information to a centralized control system to drive the action of an actuating mechanism.
And a shifting plate actuating mechanism is arranged above the sorting belt conveyor and at the rear part of the ray identification system, and the number of the actuating mechanisms and the queuing of the upper process are arranged according to the ratio of 1: 2. The actuating mechanism is mainly a shifting plate with one fixed end and the other end capable of swinging back and forth, and the shifting plate is controlled by a high-speed cylinder and a solenoid valve reversing valve, so that twice swinging per second can be realized. The shifting plate is positioned on any one of the left side and the right side of the sorting belt conveyor under the normal condition, and at the moment, coal is conveyed to the coal conveying belt conveyor through the sorting belt conveyor; when the gangue positioned by the identification system is conveyed to the position, the control system feeds back an action signal, the actuating mechanism starts the shifting plate to change the position, and the positioned gangue can change the running track and fall into the gangue belt conveyor below through the chute. Through the continuous action of the system, the gangue carried in the coal can be accurately separated out, and the separation purpose is realized; further, a gangue belt conveyor is arranged below the actuating mechanism and used for conveying separated gangue, such as conveying the gangue to a gangue bin for storage and transportation; another clean coal belt conveyor is arranged behind the sorting belt conveyor and is used for conveying coal to other treatment systems, such as stockpiling, processing, selling and the like, for example, conveying the coal to a clean coal bunker for storage and transportation.
The number of material queuing lines realized by the roller screen queuing system and the conveying system can be specifically determined according to the material granularity and the conveying belt width.
The intelligent automatic sorting system for the coal can efficiently and automatically realize the sorting of the gangue in the coal, the sorting of the coal in the gangue, the sorting of miscellaneous stones in various ores and the like.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An intelligent automatic coal sorting system is characterized by comprising a roller screen (201), a primary distribution belt conveyor (301), a secondary distribution belt conveyor (302), a sorting belt conveyor (303), an identification system (401), an execution system (501), a gangue belt conveyor (601) and a clean coal belt conveyor (701); the roller screen (201) is used for screening incoming materials, screening out small materials and finishing material spreading; the primary distributing belt conveyor (301), the secondary distributing belt conveyor (302) and the sorting belt conveyor (303) are sequentially connected to realize uniform distribution of materials.
2. The intelligent automatic coal sorting system according to claim 1, wherein: the identification system (401) realizes identification of the materials on the belt; the execution system (501) realizes sorting of the identified materials.
3. The intelligent automatic coal sorting system according to claim 1, wherein: the gangue belt conveyor (601) conveys the sorted gangue to a gangue bin; and the cleaned coal belt conveyor (701) conveys the sorted coal blocks to a cleaned coal bin.
4. The intelligent automatic coal sorting system according to claim 1, wherein: roller screen (201) set up at material input end material with certain angle of slope, the rear end of roller screen (201) that sets up in the slope is connected with one-level cloth belt feeder (301), be provided with second grade cloth belt feeder (302) in one-level cloth belt feeder (301) rear end, the setting horizontal plane of second grade cloth belt feeder (302) is slightly less than the horizontal plane of one-level cloth belt feeder (301), be provided with at second grade cloth belt feeder (302) rear end and select separately belt feeder (303), the setting horizontal plane of selecting separately belt feeder (303) is slightly less than the horizontal plane of second grade cloth belt feeder (302), one-level cloth belt feeder (301), second grade cloth belt feeder (302), select separately belt feeder (303) and connect in.
5. The intelligent automatic coal sorting system according to claim 4, wherein: and a gangue belt conveyor (601) and a clean coal belt conveyor (701) are selectively arranged at the rear end of the sorting belt conveyor (303).
6. The intelligent automatic coal sorting system according to claim 1, wherein: the roller screen (201) connected with the material input end is a multi-roller screen body, and is rotated by a chain wheel or a gear of a roller system through a screen disc installed on the roller screen in a staggered manner.
7. The intelligent automatic coal sorting system according to claim 1, wherein: in the conveying process, materials below the sieve holes can fall into a belt conveyor below through the sieve trays, materials larger than the sieve holes are uniformly distributed according to the gaps of the rollers, the materials are queued to enter the conveying system, and the materials are distributed in 3-10 queues after passing through the material distribution of the roller queuing system.
8. The intelligent automatic coal sorting system according to claim 1, wherein: the queued materials enter a primary material distribution belt conveyor (301), and a material interference system is arranged on the primary material distribution belt conveyor (301); after passing through the first-level distribution belt conveyor, the materials enter a second-level distribution belt conveyor (302), the materials are linearly arranged on the belt for the second time, and the distance between the materials is enlarged to a proper distance.
9. The intelligent automatic coal sorting system according to claim 1, wherein: the sorting belt conveyor is provided with a recognition system, and the recognition system adopts a high-speed image recognition camera, a fluorescent generator and the like.
10. The intelligent automatic coal sorting system according to claim 1, wherein: the lower part of the sorting belt conveyor is provided with a radiation source detection plate, the radiation source detection plate identifies the gangue carried in the coal according to the difference of the internal atomic sequence composition of the coal and the gangue, accurately positions the gangue, and transmits positioning information to a centralized control system to drive the action of an actuating mechanism.
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| CN202021079531.1U CN212576904U (en) | 2020-06-11 | 2020-06-11 | Intelligent automatic sorting system for coal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111617987A (en) * | 2020-06-11 | 2020-09-04 | 伯特利(山东)工业设备有限公司 | Intelligent automatic sorting system for coal |
| CN113210286A (en) * | 2021-04-23 | 2021-08-06 | 太原理工大学 | Gangue letter sorting production line |
-
2020
- 2020-06-11 CN CN202021079531.1U patent/CN212576904U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111617987A (en) * | 2020-06-11 | 2020-09-04 | 伯特利(山东)工业设备有限公司 | Intelligent automatic sorting system for coal |
| CN113210286A (en) * | 2021-04-23 | 2021-08-06 | 太原理工大学 | Gangue letter sorting production line |
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