CN114535126A - Intelligent coal gangue sorting device based on continuous transportation of underground coal mine rubber belt - Google Patents
Intelligent coal gangue sorting device based on continuous transportation of underground coal mine rubber belt Download PDFInfo
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- CN114535126A CN114535126A CN202210103797.2A CN202210103797A CN114535126A CN 114535126 A CN114535126 A CN 114535126A CN 202210103797 A CN202210103797 A CN 202210103797A CN 114535126 A CN114535126 A CN 114535126A
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- 239000003245 coal Substances 0.000 title claims abstract description 146
- 239000000463 material Substances 0.000 claims abstract description 79
- 238000005303 weighing Methods 0.000 claims abstract description 56
- 230000010365 information processing Effects 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 239000010878 waste rock Substances 0.000 claims abstract description 21
- 210000000078 claw Anatomy 0.000 claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 5
- 239000002699 waste material Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/16—Sorting according to weight
- B07C5/18—Sorting according to weight using a single stationary weighing mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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Abstract
The invention discloses an intelligent coal and gangue sorting device based on continuous transportation of a rubber belt under a coal mine, which comprises a power device, a conveying device, a lifting device and an identification and separation device, wherein the conveying device is arranged on the coal mine; the power device comprises a connecting belt, a belt pulley and a carrier roller, and the carrier roller is used for power transmission to drive the belt pulley and the connecting belt to rotate; the conveying device comprises a conveying belt, a waste rock feeding box and a waste rock conveying belt and is responsible for conveying coal materials and waste rocks; the lifting device comprises a guide rail, a crab claw separating device and a lifting belt and is responsible for separating and transporting the blocky coal; the identification separation device comprises a material box, a sliding chute, a camera device, a weighing device, a controller and an information processing device, the coal material is divided through the material box, the sliding chute is lined up, the identification is carried out on the weighing device, and then the baffle is controlled to open and close to drop the gangue. The device separates coal materials extracted from a working face through a continuous process, can be installed in a gateway or a main roadway to realize separation of coal and gangue, and is different from the prior device which is limited in a single chamber.
Description
Technical Field
The invention relates to an intelligent coal gangue sorting device based on continuous transportation of a rubber belt under a coal mine, and belongs to the technical field of coal mining.
Background
As a big coal country, the separation of coal and gangue in the coal mine production process is an important link for a long time, and the process is generally carried out on the coal material conveyed to the ground; the accumulated waste rock hills and separated waste water generated by separation can cause considerable threat to the environment and cause serious pollution; therefore, the gangue cannot be discharged from the well as far as possible, the gangue is separated and utilized underground, and the problem that future coal mine enterprises need to pay attention to is solved; therefore, a coal and gangue separating device which does not affect underground production and is convenient to disassemble and assemble in continuous transportation is urgently needed.
Disclosure of Invention
The invention aims to provide an intelligent coal gangue sorting device based on continuous transportation of a coal mine underground belt, which has strong continuity, does not influence the normal transportation of the belt and does not delay production.
The invention provides an intelligent coal and gangue sorting device based on continuous transportation of a rubber belt under a coal mine, which comprises a power device, a conveying device, a lifting device and an identification and separation device, wherein the conveying device is arranged on the coal mine; the power device comprises a connecting belt, a belt pulley and a carrier roller, and the carrier roller is used for power transmission to drive the belt pulley and the connecting belt to rotate; the conveying device comprises a conveying belt, a waste rock feeding box and a waste rock conveying belt and is responsible for conveying coal materials and waste rocks; the lifting device comprises a guide rail, a crab claw separating device and a lifting belt and is responsible for separating and transporting the blocky coal; the identification separation device comprises a material box, a sliding chute, a camera device, a weighing device, a controller and an information processing device, the coal material is divided through the material box, the sliding chute is lined up, the identification is carried out on the weighing device, and then the baffle is controlled to open and close to drop the gangue.
The power device consists of a carrier roller, a small belt pulley, a middle belt pulley, a large belt pulley and a connecting belt; the conveying device consists of a conveying belt, a waste rock feeding box and a waste rock conveying belt; the lifting device comprises a guide rail, a crab claw separating device and a lifting belt; the identification separation device comprises a material box, a chute, a weighing device, a camera device, a baffle, a controller and an information processing device;
the guide rail is positioned above the belt of the mine underground roadway, is buried in the coal material, and has the tail end approximately flush with the upper surface of the coal material and the two sides of the front end provided with baffles; the crab claw separating device is positioned 20mm above the tail end of the guide rail, the tail end of the crab claw separating device is connected with the lifting belt, the crab claw separating device and the lifting belt are obliquely arranged, and the inclination angle ensures that the coal cannot slide on the lifting belt;
the material box is positioned below the tail end of the lifting belt, the middle of the bottom of the material box is conical and bulges, eight discharge ports are uniformly distributed at the bottom of the side edge along the circumferential direction, the discharge ports are connected with a sliding chute, the sliding chute is obliquely arranged on the disc, the inclination angle is 10-15 degrees, and the coal material slides on the sliding chute by utilizing the tangential force of the coal material during inclination and the centrifugal force generated during rotation; a weighing device and a camera device are arranged at the tail end of each sliding chute; the tail end of the chute is provided with an openable baffle;
the weighing device is positioned at the tail end of the chute, the middle of the weighing device is fixed with the edge inside the chute, the front side and the rear side of the weighing device and the fixed part form a wane shape, the front-rear inclination angle is larger than 50 degrees and larger than the internal friction angle of the massive coal material when the weighing device is tilted, and the lower part of the weighing device is provided with a baffle plate to prevent the coal material from sliding off when the weighing device is tilted;
the information processing device is positioned in the middle of the upper part of the disc, the controller is positioned on the boundary of the disc and is connected with the bottom of the tail end of the sliding chute, and the information processing device is connected with the controller through a cable; the information processing device is a micro embedded type industrial computer without a fan; the controller controls the opening and closing of the baffle by changing the state of the motor; in the identification separation device, the information processing device analyzes the volume and the density of the coal according to the weight data transmitted by the weighing device and the picture data of the camera device, analyzes the surface gray characteristic of the coal by combining the picture data, and weights the results of the weight data and the picture data as the basis for judging the coal and the gangue; the information processing device can learn in the recognition process, and the sorting result of early manual intervention is taken as a training model, so that the recognition accuracy is gradually improved.
The gangue throwing box is fixed on a support column of the support, the support column is a quadrangular prism, and a plurality of support columns jointly form the support for supporting; the waste rock conveying belt is positioned at the outlet of the lower part of the waste rock throwing box;
the identification separation device is supported by a middle steel column and suspended on a support, the whole identification separation device finishes work in rotation, identified coal materials run in a parabolic mode after a baffle is opened, and baffles for blocking the coal materials from running are arranged on one sides of the gangue feeding box and the conveyor belt.
The guide rail comprises a plurality of curved columnar rods, the distance between every two adjacent rods is 50mm, massive coal materials larger than 50mm in the coal materials crushed by the crusher move to the surface of the coal materials, the baffle plates on the two sides prevent the massive coal materials from falling out of a belt in the surface movement process, and the front ends of the columnar rods are sharp, so that the coal materials are prevented from being blocked.
The information processing device is a micro embedded type fan-free industrial computer, and the controller controls the opening and closing of the baffle by changing the state of the motor.
The lower part of the front end of the weighing device is provided with a spring, the weighing is carried out according to the compression amount of the spring, and the coal is weighed when sinking at the front end; the data is transmitted to the controller and transmitted to the information processing device together with the image information of the camera device, the information processing device sends an instruction to the controller after processing, and the baffle is controlled to be opened and closed at different positions to complete the identification and separation;
the power device adjusts the running speed of the lifting belt and the identification separation device by adjusting the size of each part of belt pulley, the belt stops running, and the whole device stops running; according to V = pi x D x n, where V-line speed, D-pulley diameter, n-rotational speed; the diameter D of the belt pulley is inversely proportional to the rotating speed n, and the size of n is adjusted by adjusting the size of D.
The invention provides a method for intelligently sorting coal and gangue by adopting the device, which comprises the following steps:
a. the coal materials crushed by the crusher are conveyed by a conveyor belt and lifted to the surface by the guide rail block-shaped coal materials;
b. the crab claw separating device conveys the blocky coal materials to the lifting belt through crab claw rotation, and the blocky coal materials drop into the material box at the tail end of the lifting belt;
c. the method comprises the following steps that (1) blocky coal entering a material box enters a sliding chute at the lower end, slides in the sliding chute in a single row, enters a weighing device at the tail end, when the coal enters the weighing device, the rear end of the weighing device is lifted up to block the next coal, and meanwhile, a camera device starts to take pictures;
d. the weighing device and the camera device transmit acquired data to the information processing device through cables, the information processing device analyzes the volume and density of the coal through the weight data transmitted by the weighing device and the picture data of the camera device, the picture data is combined to analyze the surface gray feature of the coal, the density analysis result and the surface gray feature result are weighted, the final judgment is made, after the final judgment is made, the information processing device sends an instruction, the controller controls the opening and closing position of the end baffle of the chute, if the judgment is that the coal is gangue, the coal is opened above the gangue feeding box, and if the judgment is that the coal is gangue is opened above the conveyor belt;
e. after the coal falls, the tail end of the weighing device falls, the baffle is closed, the next coal enters, the identification process is continued, and the cycle is repeated;
f. and the dropped waste rocks drop to a waste rock conveying belt from the waste rock throwing box and are transported back to the goaf.
The invention has the beneficial effects that:
the device simple structure does not hinder continuous transportation, and convenient the dismantlement is the belt and attaches the device outward, does not influence production, has important meaning to solving coal gangue processing problem in the pit.
The invention designs the coal and gangue separation peripheral device based on the underground conveying belt, and under the condition of coal and gangue separation, normal underground production and coal transportation are not influenced, so that the efficiency is improved;
2 most of the power used in the invention comes from the power of belt transportation, the power of belt is transmitted through the carrier roller, the belt pulley and the connecting belt are driven to rotate, and the whole device is driven to run, the existence of high-power source is reduced, the running speed of the whole device is in proportional relation with the speed of the conveying belt, and the running speed of each device can be adjusted by adjusting the size of the belt pulley;
3, in the identification process, the coal material is judged by using the weighted results of the image gray level identification and the density identification, so that the judgment result is more accurate.
Drawings
FIG. 1 is a schematic diagram of an intelligent coal gangue sorting device based on continuous transportation of a rubber belt under a coal mine.
Fig. 2 is an enlarged schematic view of the identification separation apparatus.
Fig. 3 is an enlarged schematic view of the power plant.
Fig. 4 is an enlarged schematic view of the guide rail.
In the figure: 1. a conveyor belt; 2. a guide rail; 3. a crab claw separating device; 4. lifting the belt; 5. a material box; 6. a chute; 7. a weighing device; 8. a camera device; 9. a baffle plate; 10. a controller; 11. an information processing device; 12. a gangue throwing box; 13. a gangue conveyor belt; 14. a carrier roller; 15. a belt pulley; 15a, a small belt pulley; 15b, a middle belt pulley; 15c, a large belt pulley; 16. connecting a belt; 17. and (4) a bracket.
Detailed Description
The present invention is further illustrated by, but is not limited to, the following examples.
Example 1:
as shown in figures 1-4, the intelligent coal gangue sorting device based on the continuous transportation of the underground coal mine belt comprises a power device, a conveying device, a lifting device and an identification and separation device.
The power device consists of a carrier roller 14, a small belt pulley 15a, a middle belt pulley 15b, a large belt pulley 15c and a connecting belt 16;
the conveying device consists of a mining underground roadway belt 1, a waste rock feeding box 12 and a waste rock conveying belt 13;
the lifting device comprises a guide rail 2, a crab claw separating device 3 and a lifting belt 4;
the identification separation device comprises a material box 5, a chute 6, a weighing device 7, a camera device 8, a baffle 9, a controller 10 and an information processing device 11;
the guide rail 2 is positioned above the mining underground roadway belt 1, is buried in the coal material, and has the tail end approximately flush with the upper surface of the coal material and the two sides of the front end provided with baffles; the crab claw separating device 3 is positioned 20mm above the tail end of the guide rail 2, the tail end is connected with the lifting belt 4 and is obliquely arranged together with the lifting belt, and the inclination angle ensures that the coal cannot slide on the lifting belt;
the material box 5 is positioned below the tail end of the lifting belt 4, the middle of the bottom of the material box is conical and bulges, eight discharge ports are uniformly distributed at the bottom of the side edge along the circumferential direction, the discharge ports are connected with a chute 6, the chute 6 is obliquely arranged on a disc, the inclination angle is 10-15 degrees, and the coal material slides on the chute by utilizing the tangential force of the coal material during inclination and the centrifugal force generated during rotation; a weighing device 7 and a camera device 8 are arranged at the tail end of each sliding chute; the tail end of the chute is provided with an openable baffle 9;
the weighing device 7 is positioned at the tail end of the sliding chute 6, the middle of the weighing device 7 is fixed with the inner edge of the sliding chute, the front side and the rear side of the weighing device 7 and the fixed part form a wane shape, the front and rear inclination angle is more than 50 degrees when the weighing device is tilted and is more than the internal friction angle of the block coal, and the lower part of the weighing device is provided with a baffle plate to prevent the coal from sliding off when the weighing device is tilted;
the information processing device 11 is positioned in the middle of the upper part of the disc, the controller 10 is positioned on the boundary of the disc and connected with the bottom of the tail end of the sliding chute, and the information processing device is connected with the controller through a cable; the information processing device is a micro embedded type fanless industrial computer, and the controller controls the closing of the baffle by changing the state of the motor.
The gangue throwing box 12 is fixed on a support column of the support, the support column is a quadrangular prism, and a plurality of support columns jointly form the support for supporting; the waste rock conveyor belt 13 is positioned in the middle of the outlet at the lower part of the waste rock throwing box 12;
the identification separation device is supported by a middle steel column and suspended on a support, the whole identification separation device finishes work in rotation, identified coal materials run in a parabolic mode after a baffle is opened, and baffles for blocking the coal materials from running are arranged on one sides of the gangue feeding box and the conveyor belt.
The guide rail is composed of a plurality of bent cylindrical rods, the distance between every two adjacent rods is 50mm, blocky coal materials larger than 50mm in the coal materials crushed by the crusher move to the surface of the coal materials, the baffle plates on the two sides prevent the blocky coal materials from falling out of a belt in the process of moving to the surface, and the front ends of the cylindrical rods are sharp, so that the coal materials are prevented from being blocked; as shown in fig. 4.
The lower part of the front end of the weighing device is provided with a spring, the weighing is carried out according to the compression amount of the spring, and the coal is weighed when sinking at the front end; the data is transmitted to the controller and transmitted to the information processing device together with the image information of the camera device, the information processing device sends an instruction to the controller after processing, and the baffle is controlled to be opened and closed at different positions to complete the identification and separation;
the power device adjusts the running speed of the lifting belt and the identification separation device by adjusting the size of each part of belt pulley, the belt stops running, and the whole device stops running; according to V = pi x D x n, where V-line speed, D-pulley diameter, n-rotational speed; the diameter D of the belt pulley is inversely proportional to the rotating speed n, and the size of n is adjusted by adjusting the size of D.
As shown in the figure, the simulation experiment method of the invention comprises the following steps:
a. the coal material crushed by the crusher is conveyed by a conveyor belt 1, and the blocky coal material is lifted to the surface of the coal material by a guide rail 2;
b. the crab claw separating device 3 conveys the blocky coal materials to the lifting belt 4 through crab claw rotation, and a material box 5 is mixed at the tail end of the lifting belt;
c. the lump coal entering the material box 5 enters the chute 6 at the lower end, is arranged in the chute in a single row at the tail end and enters the weighing device 7, when the coal enters the weighing device, the rear end of the weighing device is lifted up to block the next coal, and the camera device 8 starts to take a picture;
d. the weighing device 7 and the camera device 8 transmit acquired data to the information processing device 11, the information processing device 11 analyzes the volume and density of the coal through the weight data transmitted by the weighing device and the picture data transmitted by the camera device, the image data is combined to analyze the surface gray level characteristics of the coal, the density analysis result and the surface gray level characteristic result are weighted, the final judgment is made, and after the final judgment is carried out, an instruction is sent out, the controller 10 controls the opening and closing position of a baffle at the tail end of the chute, if the position is the gangue, the gangue feeding box 12 is opened, and if the position is the coal, the gangue feeding box 1 is opened;
e. after the coal falls in a parabola shape, the tail end of the weighing device 7 falls, the baffle 9 is closed, the next coal enters, the identification process is continued, and the cycle is repeated;
f. the dropped gangue falls onto a gangue conveyor belt 13 from a gangue throwing box 12 and is transported back to the goaf.
Claims (7)
1. The utility model provides a coal gangue intelligence sorting unit based on colliery is sticky tape continuous transport in pit which characterized in that: the device comprises a power device, a conveying device, a lifting device and an identification and separation device; the power device comprises a connecting belt, a belt pulley and a carrier roller, and the carrier roller is used for power transmission to drive the belt pulley and the connecting belt to rotate; the conveying device comprises a conveying belt, a waste rock feeding box and a waste rock conveying belt and is responsible for conveying coal materials and waste rocks; the lifting device comprises a guide rail, a crab claw separating device and a lifting belt and is responsible for separating and transporting the blocky coal; the identification separation device comprises a material box, a sliding chute, a camera device, a weighing device, a controller and an information processing device, the coal material is divided through the material box, the sliding chute is lined up, the identification is carried out on the weighing device, and then the baffle is controlled to open and close to drop the gangue.
2. The intelligent coal gangue sorting device based on coal mine underground belt continuous transportation according to claim 1, is characterized in that:
the guide rail is positioned above the belt of the mine underground roadway, is buried in the coal material, and has the tail end approximately flush with the upper surface of the coal material and the two sides of the front end provided with baffles; the crab claw separating device is positioned 20mm above the tail end of the guide rail, the tail end of the crab claw separating device is connected with the lifting belt, the crab claw separating device and the lifting belt are obliquely arranged, and the inclination angle ensures that the coal cannot slide on the lifting belt;
the material box is positioned below the tail end of the lifting belt, the middle of the bottom of the material box is conical and bulges, eight discharge ports are uniformly distributed at the bottom of the side edge along the circumferential direction, the discharge ports are connected with a sliding chute, the sliding chute is obliquely arranged on the disc, the inclination angle is 10-15 degrees, and the coal material slides on the sliding chute by utilizing the tangential force of the coal material during inclination and the centrifugal force generated during rotation; a weighing device and a camera device are arranged at the tail end of each sliding chute; the tail end of the chute is provided with an openable baffle;
the weighing device is positioned at the tail end of the sliding chute, the middle of the weighing device is fixed with the inner edge of the sliding chute, the front side and the rear side of the weighing device and the fixed part form a wane shape, the front and rear inclination angle is more than 50 degrees and more than the internal friction angle of the massive coal material when the weighing device is tilted, and the lower part of the weighing device is provided with a baffle plate to prevent the coal material from sliding off when the weighing device is tilted;
the information processing device is positioned in the middle of the upper part of the disc, the controller is positioned on the boundary of the disc and is connected with the bottom of the tail end of the sliding chute, and the information processing device is connected with the controller through a cable;
in the identification separation device, the information processing device analyzes the volume and the density of the coal according to the weight data transmitted by the weighing device and the picture data transmitted by the camera device, the image data is combined to analyze the gray characteristics of the surface of the coal, and the results of the weight of the information processing device and the picture data are weighted to be used as the basis for judging the coal and the gangue; the information processing device can learn in the recognition process, and the sorting result of early manual intervention is taken as a training model, so that the recognition accuracy is gradually improved.
3. The intelligent coal gangue sorting device based on coal mine underground belt continuous transportation according to claim 1, is characterized in that:
the gangue throwing box is fixed on a support column of the support, the support column is a quadrangular prism, and a plurality of support columns jointly form the support for supporting; the waste rock conveying belt is positioned at the outlet of the lower part of the waste rock throwing box;
the identification separation device is supported by a middle steel column and suspended on a support, the whole identification separation device finishes work in rotation, identified coal materials run in a parabolic mode after a baffle is opened, and baffles for blocking the coal materials from running are arranged on one sides of the gangue feeding box and the conveyor belt.
4. The intelligent coal gangue sorting device based on coal mine underground belt continuous transportation according to claim 1, is characterized in that:
the guide rail comprises a plurality of curved columnar rods, the distance between every two adjacent rods is 50mm, massive coal materials larger than 50mm in the coal materials crushed by the crusher move to the surface of the coal materials, the baffle plates on the two sides prevent the massive coal materials from falling out of a belt in the surface movement process, and the front ends of the columnar rods are sharp, so that the coal materials are prevented from being blocked.
5. The intelligent coal gangue sorting device based on the coal mine underground belt continuous transportation according to claim 1, wherein the information processing device is a micro embedded type fan-free industrial computer, and the controller controls the opening and closing of the baffle by changing the state of the motor.
6. The intelligent coal gangue sorting device based on coal mine underground belt continuous transportation according to claim 1, is characterized in that:
the lower part of the front end of the weighing device is provided with a spring, the weighing is carried out according to the compression amount of the spring, and the coal is weighed when sinking at the front end; the data is transmitted to the controller and transmitted to the information processing device together with the image information of the camera device, the information processing device sends an instruction to the controller after processing, and the baffle is controlled to be opened and closed at different positions to complete the identification and separation;
the power device adjusts the running speed of the lifting belt and the identification separation device by adjusting the size of each part of belt pulley, the belt stops running, and the whole device stops running; according to V = pi x D x n, where V-line speed, D-pulley diameter, n-rotational speed; the diameter D of the belt pulley is inversely proportional to the rotating speed n, and the size of n is adjusted by adjusting the size of D.
7. An intelligent coal and gangue sorting method based on coal mine underground belt continuous transportation adopts the intelligent coal and gangue sorting device based on coal mine underground belt continuous transportation, which is characterized by comprising the following steps of:
a. the coal materials crushed by the crusher are conveyed by a conveyor belt and lifted to the surface by the guide rail block-shaped coal materials;
b. the crab claw separating device conveys the blocky coal materials to the lifting belt through crab claw rotation, and the blocky coal materials drop into the material box at the tail end of the lifting belt;
c. the method comprises the following steps that (1) blocky coal entering a material box enters a sliding chute at the lower end, slides in the sliding chute in a single row, enters a weighing device at the tail end, when the coal enters the weighing device, the rear end of the weighing device is lifted up to block the next coal, and meanwhile, a camera device starts to take pictures;
d. the weighing device and the camera device transmit acquired data to the information processing device, the information processing device analyzes the volume and density of the coal through the weight data transmitted by the weighing device and the picture data of the camera device, the picture data is combined to analyze the surface gray level characteristics of the coal, the density analysis result and the surface gray level characteristic result are weighted, the final judgment is made, after the judgment is made, an instruction is sent out, the controller controls the opening and closing position of the end baffle of the chute, if the position is the gangue, the gangue throwing box is opened, and if the position is the coal, the gangue throwing box is opened on the conveying belt;
e. after the coal falls, the rear end of the weighing device falls, the baffle is closed, the next coal enters, the identification process is continued, and the cycle is repeated;
f. and the dropped waste rocks drop to a waste rock conveying belt from the waste rock throwing box and are transported back to the goaf.
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| CN202210103797.2A CN114535126B (en) | 2022-01-28 | 2022-01-28 | Colliery is colliery belt continuous transportation's coal gangue intelligent separation device in pit |
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| CN202210103797.2A CN114535126B (en) | 2022-01-28 | 2022-01-28 | Colliery is colliery belt continuous transportation's coal gangue intelligent separation device in pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488056A (en) * | 2022-08-18 | 2022-12-20 | 太原理工大学 | Underground coal and gangue separation device based on chemical spraying and intelligent image recognition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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