Intelligent dry separation equipment for whole-size-fraction coal gangue

Abstract

The utility model relates to the technical field of coal gangue, in particular to intelligent dry separation equipment for full-size-fraction coal gangue. Comprising a bearing body, a material conveying assembly, a material imaging part, an air injection device and an intelligent computing system, the material conveying assembly is arranged in the bearing body, a protective shell is arranged on the bearing body, the material imaging part is arranged in the protective shell, the air injection device is arranged at the tail end of the material conveying assembly, and the intelligent computing system is arranged in the bearing body. And the intelligent computing system is electrically connected with the material imaging part and the air injection device. And accurate, efficient and energy-saving full-automatic coal sorting is achieved. The intelligent dry separation device is mainly applied to intelligent dry separation of coal gangue.

Description

Technical Field

[0001] The utility model relates to the technical field of coal gangue, and more specifically, to an intelligent dry separation device for coal gangue of all particle sizes. Background Art

[0002] The patent background technology of intelligent dry sorting equipment for coal gangue mainly involves the sorting and processing technology of coal gangue. Coal gangue is solid waste generated during coal mining and washing, which contains a certain amount of coal and other valuable mineral components. However, due to the complex composition, uneven particle size, and large hardness differences of coal gangue, its sorting and processing has become a technical problem.

[0003] Traditional gangue sorting methods mainly rely on manual or simple mechanical devices, which have problems such as low sorting efficiency, poor precision, and high energy consumption. At the same time, these methods may also cause environmental pollution and waste of resources. Therefore, the development of an efficient, intelligent, and environmentally friendly gangue sorting equipment has become an urgent need in the industry.

[0004] With the rapid development of technologies such as artificial intelligence, machine vision and deep learning, strong technical support has been provided for the research and development of intelligent dry sorting equipment for coal gangue. Intelligent dry sorting equipment can achieve fast and accurate sorting of coal gangue by combining advanced sensors, image recognition algorithms and control systems. This equipment has the advantages of high degree of automation, high sorting accuracy, low energy consumption and good environmental protection. It can effectively improve the comprehensive utilization rate of coal gangue, reduce production costs and reduce the impact on the environment. Utility Model Content

[0005] In order to overcome the deficiencies in the above-mentioned prior art, the utility model provides a full-size coal gangue intelligent dry sorting equipment. The equipment uses the "X-ray imaging + laser imaging + thermal imaging" trinity technology, combined with the imaging system to collect images of materials on the conveyor belt, analyzes the images through deep learning image recognition technology, determines the type of materials, and accurately locates and accurately controls high-pressure wind to spray gangue and impurities, realizing accurate, efficient, and energy-saving fully automatic coal sorting.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A full-grade coal gangue intelligent dry sorting equipment comprises a load-bearing body, a material conveying assembly, a material imaging part, an air jet device and an intelligent computing system, wherein the material conveying assembly is arranged in the load-bearing body, a protective shell is arranged on the load-bearing body, the material imaging part is arranged in the protective shell, the air jet device is arranged at the end of the material conveying assembly, the intelligent computing system is arranged in the load-bearing body, and the intelligent computing system is electrically connected to the material imaging part and the air jet device.

[0008] The material conveying assembly includes a transmission motor, a transmission shaft and a transmission belt. The transmission shafts are respectively arranged on both sides of the load-bearing body. The transmission belt is sleeved on the two transmission shafts. The transmission motor is connected to the transmission shaft on one side through a transmission chain.

[0009] The material imaging part includes a laser imaging device, a thermal imaging device, an X-ray imaging device and a depth camera device. The laser imaging device, the thermal imaging device, the X-ray imaging device and the depth camera device are arranged in sequence in a protective shell according to the conveying direction of the material conveying component. The laser imaging device, the thermal imaging device, the X-ray imaging device and the depth camera device are all electrically connected to the intelligent computing system.

[0010] The laser imaging device includes a pulse laser, a laser detection analyzer and an optical focusing element. The pulse laser is arranged vertically downward, the optical focusing element is arranged below the pulse laser, and the laser detection analyzer is arranged to align with the optical focusing element.

[0011] The thermal imaging device comprises a detector, a grating and a lens, and the detector, the grating and the lens are arranged in sequence from top to bottom.

[0012] The X-ray imaging device includes an X-ray emitting light source and an X-ray sensor receiver, wherein the X-ray emitting light source and the X-ray sensor receiver are respectively arranged on the upper part and the lower part of the transmission belt, and the X-ray emitting light source and the X-ray sensor receiver are arranged in the same vertical direction.

[0013] The depth camera device adopts an industrial depth camera, and the depth camera device is arranged vertically downward.

[0014] The jet device includes a plurality of jet brackets arranged side by side, and the plurality of jet brackets are arranged in an "I" shape at the end of the material conveying component. A jet hole is provided on the top of the jet bracket, and a gas storage tank is provided in the load-bearing body. The gas storage tank is connected to each jet bracket through a pipeline, and the jet hole is electrically connected to the intelligent computing system.

[0015] A sorting frame is arranged behind the jet support, and the sorting frame comprises two frame bodies arranged side by side in front and back, and a baffle is arranged at the end of the frame body away from the jet support.

[0016] A dust removal device is arranged above the protective shell, the jet bracket and the sorting frame, and the dust removal device includes a dust suction pipe and a dust collector. The dust suction pipe connection covering is arranged above the protective shell, the jet bracket and the sorting frame. The dust collector is connected to the dust suction pipe through a pipeline, and the dust collector is connected to an induced draft fan.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The setting of the protective shell provides a setting space for the material imaging device to perform image analysis on the coal-gangue mixture; the laser imaging device can obtain information such as the component content, functional components, and trace elements of the coal quality sample by analyzing the spectral data; the thermal radiation energy emitted by the thermal imaging device is filtered by the optical lens and grating, and the detector receives the radiation and generates an electrical signal, and finally converts the electrical signal into an image through the signal processing system; the X-ray imaging device uses X-rays to irradiate the material on the conveyor and generates a corresponding X-ray image at the same time. Through the processing of the intelligent computing system, the generated X-ray image is detected and identified to achieve accurate distinction between coal and gangue; the dust removal device uses the suction of the induced draft fan to collect all the dust and slag in the air during the material transportation process into the dust collection box for easy cleaning; the jet device can separate the coal and gangue through the impact of the airflow; the intelligent computing system intelligently processes the information collected by the imaging part to obtain a specific image of the coal and gangue point, and then separates the coal and gangue on the image by controlling the jet device. Accurate, efficient, and energy-saving fully automatic coal sorting is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the arrangement of the jet support of the utility model;

[0022] In the figure: 1 is the load-bearing body, 2 is the protective shell, 3 is the intelligent computing system, 4 is the transmission motor, 5 is the transmission chain, 6 is the transmission shaft, 7 is the transmission belt, 8 is the pulse laser, 9 is the laser detection analyzer, 10 is the optical focusing element, 11 is the detector, 12 is the grating, 13 is the lens, 14 is the X-ray emission source, 15 is the X-ray sensor receiver, 16 is the depth camera device, 17 is the dust suction duct, 18 is the dust collector, 19 is the induced draft fan, 20 is the jet bracket, 21 is the jet hole, 22 is the gas storage tank, and 23 is the sorting basket. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0025] like Figures 1 to 3 As shown, a full-size coal gangue intelligent dry sorting equipment includes a load-bearing body 1, a material conveying assembly, a material imaging part, an air jet device and an intelligent computing system 3. The material conveying assembly is arranged in the load-bearing body 1, a protective shell 2 is arranged on the load-bearing body 1, the material imaging part is arranged in the protective shell 2, the air jet device is arranged at the end of the material conveying assembly, and the intelligent computing system 3 is arranged in the load-bearing body 1. The intelligent computing system 3 is electrically connected to the material imaging part and the air jet device. The load-bearing body 1 carries most of the devices of the equipment, and the protective shell 2 protects the devices inside it. The coal gangue enters the protective shell 2 from the material conveying assembly, and the material imaging part detects the coal gangue on the material conveying assembly to form an image.

[0026] Preferably, the material conveying assembly includes a transmission motor 4, a transmission shaft 6 and a transmission belt 7. The transmission shaft 6 is respectively arranged on both sides of the load-bearing body 1. The transmission belt 7 is sleeved on the two transmission shafts 6. The transmission motor 4 is connected to the transmission shaft 6 on one side through a transmission chain 5.

[0027] Preferably, the material imaging part includes a laser imaging device, a thermal imaging device, an X-ray imaging device and a depth camera device, and the laser imaging device, the thermal imaging device, the X-ray imaging device and the depth camera device 16 are sequentially arranged in the protective housing 2 according to the conveying direction of the material conveying component, and the laser imaging device, the thermal imaging device, the X-ray imaging device and the depth camera device 16 are all electrically connected to the intelligent computing system 3. The laser imaging device, the thermal imaging device, the X-ray imaging device and the depth camera device 16 transmit the collected signals to the intelligent computing system 3, and the intelligent computing system 3 performs precise calculation processing.

[0028] Preferably, the laser imaging device includes a pulse laser 8, a laser detection analyzer 9 and an optical focusing element 10, the pulse laser 8 is arranged vertically downward, the optical focusing element 10 is arranged below the pulse laser 8, and the laser detection analyzer 9 is aligned with the optical focusing element 10. The pulse laser 8 emits a laser beam, and the beam scans the material on the conveyor belt 7 through the optical focusing element 10. The laser detection analyzer 9 converts the light reflected by the material into an image digital signal, thereby forming spectral image information. By analyzing the spectral data, information such as the component content, functional components, and trace elements of the coal quality sample can be obtained.

[0029] Preferably, the thermal imaging device includes a detector 11, a grating 12 and a lens 13, which are arranged in order from top to bottom. The thermal radiation energy emitted by the material is filtered by the optical lens 13 and the grating 12, and after the detector 11 receives the radiation, an electrical signal is generated, and finally the electrical signal is converted into an image through a signal processing system.

[0030] Preferably, the X-ray imaging device includes an X-ray emitting light source 14 and an X-ray sensor receiver 15, which are respectively arranged on the upper part and the lower part of the transmission belt 7, and the X-ray emitting light source 14 and the X-ray sensor receiver 15 are arranged in the same vertical direction. The material on the conveyor is irradiated with X-rays, and a corresponding X-ray image is generated at the same time. The generated X-ray image is detected and identified through deep learning and AI intelligent algorithms, so as to separate coal gangue.

[0031] Preferably, the depth camera device 16 adopts an industrial depth camera, and the depth camera device 16 is set vertically downward. Data screening is performed on the sample by taking pictures for recognition. The target imaging channel in the industrial depth camera is used to image the coal flow, and the high-spectral images of the coal flow and the gangue are obtained. The two are compared to distinguish the spectral image feature information of the coal block and the gangue, so that the two can be distinguished; at the same time, the high-spectral image of the coal flow is recognized by the intelligent computing system 3 algorithm detection model to obtain the position information of the coal block and / or the gangue, and the separation operation is performed according to the position information of the coal block and the gangue to separate the coal block and the gangue.

[0032] Preferably, the jet device includes a plurality of jet brackets 20 arranged side by side, and the plurality of jet brackets 20 are arranged in a "one" shape at the end of the material conveying assembly, and a jet hole 21 is arranged on the top of the jet bracket 20, and a gas storage tank 22 is arranged in the load-bearing body 1, and the gas storage tank 22 is connected to each jet bracket 20 through a pipeline, and the jet hole 21 is electrically connected to the intelligent computing system 3. After the data comparison of the previous types is completed, the objects are distinguished by the jet device, and the unnecessary objects are ejected through the jet hole, bounced to the baffle, and collected and distinguished.

[0033] Preferably, a sorting frame 23 is arranged behind the jet bracket 20 , and the sorting frame 23 includes two frame bodies arranged side by side front and back, and a baffle is arranged at the end of the frame body away from the jet bracket 20 .

[0034] Preferably, a dust removal device is arranged above the protective shell 2, the jet bracket 20 and the sorting frame 23, and the dust removal device includes a dust suction pipe 17 and a dust collector 18. The dust suction pipe 17 is connected to and covers the dust collector 18 arranged above the protective shell 2, the jet bracket 20 and the sorting frame 23, and is connected to the dust suction pipe 17 through a pipeline. The dust collector 18 is connected to the induced draft fan 19.

[0035] The coal and gangue mixture is on the conveyor belt, and the imaging information of the coal and gangue is sent to the intelligent computing system 3 through X-ray imaging, laser imaging, thermal imaging and depth camera. The system conducts in-depth analysis on the acquired block ray characteristic information to obtain the density and spatial distribution information of the coal and gangue. The system identifies the coal and gangue through AI intelligent calculation and accurately locates the coordinates. The identification results and coordinate results are output to the sorting execution system. After receiving the signal, the sorting execution system accurately controls the high-pressure air through the sorting execution mechanism composed of high-frequency, large-flow solenoid valves and jet devices. When the target material falls from the transmission belt 7, a precise point jet system is formed through a number of jet devices arranged side by side to accurately spray the material, thereby realizing effective sorting of the material. The coal freely falls into the closer basket of the sorting basket 23, and the gangue is sprayed into the farther basket by the jet device.

[0036] Only the preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention, and various changes should be included in the protection scope of the present invention.

Claims

1. An intelligent dry separation device for coal gangue of all particle sizes, characterized by: The invention comprises a load-bearing body (1), a material conveying component, a material imaging part, an air jet device and an intelligent computing system (3), wherein the material conveying component is arranged in the load-bearing body (1), a protective shell (2) is arranged on the load-bearing body (1), the material imaging part is arranged in the protective shell (2), the air jet device is arranged at the end of the material conveying component, the intelligent computing system (3) is arranged in the load-bearing body (1), and the intelligent computing system (3) is electrically connected to the material imaging part and the air jet device.

2. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 1 is characterized by: The material conveying assembly comprises a transmission motor (4), a transmission shaft (6) and a transmission belt (7); the transmission shaft (6) is respectively arranged on both sides of the load-bearing body (1); the transmission belt (7) is sleeved on the two transmission shafts (6); and the transmission motor (4) is connected to the transmission shaft (6) on one side via a transmission chain (5).

3. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 2 is characterized by: The material imaging part includes a laser imaging device, a thermal imaging device, an X-ray imaging device and a depth camera device. The laser imaging device, the thermal imaging device, the X-ray imaging device and the depth camera device (16) are arranged in sequence in the protective shell (2) according to the conveying direction of the material conveying component. The laser imaging device, the thermal imaging device, the X-ray imaging device and the depth camera device (16) are all electrically connected to the intelligent computing system (3).

4. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 3 is characterized by: The laser imaging device comprises a pulse laser (8), a laser detection analyzer (9) and an optical focusing element (10), wherein the pulse laser (8) is arranged vertically downward, the optical focusing element (10) is arranged below the pulse laser (8), and the laser detection analyzer (9) is arranged to align with the optical focusing element (10).

5. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 3 is characterized by: The thermal imaging device comprises a detector (11), a grating (12) and a lens (13), wherein the detector (11), the grating (12) and the lens (13) are arranged in sequence from top to bottom.

6. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 3 is characterized by: The X-ray imaging device comprises an X-ray emitting light source (14) and an X-ray sensor receiver (15), wherein the X-ray emitting light source (14) and the X-ray sensor receiver (15) are respectively arranged on the upper part and the lower part of the transmission belt (7), and the X-ray emitting light source (14) and the X-ray sensor receiver (15) are arranged in the same vertical direction.

7. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 3 is characterized by: The depth camera device (16) adopts an industrial depth camera, and the depth camera device (16) is arranged vertically downward.

8. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 1 is characterized by: The jet device comprises a plurality of jet supports (20) arranged side by side, the plurality of jet supports (20) being arranged in an "I" shape at the end of the material conveying assembly, the top of the jet support (20) being provided with a jet hole (21), the load-bearing body (1) being provided with a gas storage tank (22), the gas storage tank (22) being connected to each jet support (20) via a pipeline, and the jet hole (21) being electrically connected to the intelligent computing system (3).

9. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 8 is characterized by: A sorting frame (23) is arranged behind the jet bracket (20), and the sorting frame (23) comprises two frame bodies arranged side by side in a front-to-back manner, and a baffle is arranged at the end of the frame body on a side away from the jet bracket (20).

10. The intelligent dry separation equipment for coal gangue of all particle sizes according to claim 9, characterized in that: A dust removal device is arranged above the protective shell (2), the jet bracket (20) and the sorting frame (23), the dust removal device comprising a dust suction pipe (17) and a dust collector (18), the dust suction pipe (17) being connected and coveringly arranged above the protective shell (2), the jet bracket (20) and the sorting frame (23); the dust collector (18) is connected to the dust suction pipe (17) via a pipeline, and the dust collector (18) is connected to an induced draft fan (19).

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