Coal mine fine sorting system based on X rays

Through the X-ray-based coal mine sorting system, using X-ray detection and image processing technology, high-precision separation between coal and gangue is achieved, solving the problems of inefficient and labor intensity in the existing technology, and improving the sorting efficiency and Resource utilization rate.

CN119237340AInactive Publication Date: 2025-01-03YANGZHOU YUNNENG PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202411159522.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-01-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing coal mine sorting methods are inefficient and labor-intensive, making it difficult to effectively separate coal from gangue.

Method used

Using a fine X-ray-based sorting system, including a vibration feeding mechanism, a conveying mechanism, an imaging analysis module and an intelligent control module, the X-ray emission source and detector are used to conduct internal material detection, and the image processing and analysis module is used to identify coal and gangue. and separate by the actuator.

Benefits of technology

High-precision, contactless sorting is achieved, sorting efficiency and resource utilization are improved, labor costs and security risks are reduced, and the automation and intelligence of the sorting process is improved.

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Abstract

The invention relates to the technical field of coal mining, and particularly discloses an X-ray-based coal mine fine separation system which comprises a vibration feeding mechanism, a conveying mechanism, an imaging analysis module, an intelligent control module and a mechanical separation module, the imaging analysis module comprises an X-ray emission source and a detector, the vibration feeding mechanism comprises a vibrator, and the vibrator is connected with the conveying mechanism. The intelligent control module comprises a data acquisition module and an image processing and analyzing module, and the mechanical separation module comprises an execution mechanism. By arranging the X-ray technology, tiny differences between materials such as coal and gangue can be accurately recognized, and therefore high-precision sorting is achieved. The technology has the remarkable advantages that the materials do not need to be in direct contact, material pollution and damage possibly caused in a traditional sorting method are avoided, the integrity and quality of the materials can be kept in the sorting process, and the sorting efficiency and the resource utilization rate can be improved.
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Description

Technical Field

[0001] The invention belongs to the technical field of coal mining, and in particular relates to an X-ray-based coal fine sorting system. Background Art

[0002] A coal mine is a reasonable space excavated by humans when they dig geological strata rich in coal. It usually includes tunnels, shafts, and mining faces, etc. Coal is the most important solid fuel and a type of combustible organic rock. It is formed by lush plants that grow in a certain geological age. In a suitable geological environment, it gradually accumulates into thick layers and is buried under water or in mud. It is formed by natural coalification over a long geological period.

[0003] After coal mining, it is usually necessary to finely sort the coal. The current sorting method is mainly to send the coal into a screening device for screening. Although this method can separate some substances, it is slow and it is difficult to effectively separate gangue from coal. If manual screening is used, although the accuracy of separation can be improved, it will significantly increase labor costs and work intensity. Therefore, the current sorting method has the problems of low efficiency and high labor intensity, and it is necessary to seek more efficient technologies to optimize the sorting process. Summary of the invention

[0004] The purpose of the present invention is to provide a coal mine fine sorting system based on X-rays to solve the problems of low efficiency and high labor intensity in the current sorting methods in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A coal mine fine sorting system based on X-rays includes a vibrating feeding mechanism, a conveying mechanism, an imaging analysis module, an intelligent control module, and a mechanical separation module. The imaging analysis module includes an X-ray emission source and a detector, the vibrating feeding mechanism includes a vibrator, the intelligent control module includes a data acquisition module and an image processing and analysis module, and the mechanical separation module includes an actuator.

[0007] Preferably: the vibrating feeding mechanism generates centrifugal force by rotating the eccentric block in the vibrator, so that the coal is continuously thrown on the screen surface, so that the coal is evenly distributed on the screen surface and is stably transported to the conveyor belt.

[0008] Preferably, the conveying mechanism is composed of a conveyor belt and a driving device, and is responsible for the subsequent transfer of the coal conveyed by the vibrating feeding mechanism, ensuring that the coal is smoothly conveyed to the next processing stage.

[0009] Preferably, the X-ray emission source can generate a stable, high-intensity X-ray beam to transmit the coal on the conveyor belt, and can perform detailed internal inspection of the coal to identify and analyze the composition and quality of the coal.

[0010] Preferably, the detector receives X-rays passing through the coal blocks and converts them into electrical signals, which, after being processed, can reveal the difference in X-ray penetration intensity in different areas, thereby effectively identifying the difference between coal blocks and gangue.

[0011] Preferably, the data acquisition module is responsible for converting the signal received by the detector into a digital image or data for analysis, which process includes digitizing the analog signal to generate a detailed image or data set.

[0012] Preferably: the image processing and analysis module performs a series of image processing operations on the collected X-ray images, including preprocessing, edge detection and binarization, to extract the depth information of the coal and gangue, thereby depicting the different characteristics of the coal and gangue in detail.

[0013] Preferably: the actuator (such as a gas valve, a robotic arm, etc.) can perform precise separation of coal and gangue according to the results provided by the image processing and analysis module, so that it can accurately identify and separate useful coal blocks and useless gangue during transportation, thereby achieving efficient sorting.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention can accurately identify the slight differences between coal and gangue and other materials by setting up X-ray technology, thereby achieving high-precision sorting. A significant advantage of this technology is that it does not require direct contact with the material, avoiding material contamination and damage that may be caused by traditional sorting methods.

[0016] 2. The present invention can maintain the integrity and quality of materials during the sorting process by setting up X-ray technology, which helps to improve sorting efficiency and resource utilization. This non-contact sorting method also reduces the dependence on operators and further improves the safety and economy of the overall processing process.

[0017] 3. The present invention has the ability to process X-ray signals in real time and can quickly output sorting results by setting up an intelligent control module, thereby significantly improving the sorting efficiency. The application of computer intelligent control system makes the entire sorting process more automated and intelligent. With the continuous learning and optimization of the system, this intelligent adjustment makes the sorting process more and more accurate and the efficiency continues to improve. Its ability to process complex materials will be significantly enhanced, thereby achieving a higher level of sorting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a system block diagram of the present invention;

[0019] Figure 2 It is a flowchart of the steps of the present invention. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Reference Figure 1 and Figure 2 As shown, the present invention provides an X-ray-based coal mine fine sorting system, including a vibrating feeding mechanism, a conveying mechanism, an imaging analysis module, an intelligent control module, and a mechanical separation module. The imaging analysis module includes an X-ray emission source and a detector, the vibrating feeding mechanism includes a vibrator, the intelligent control module includes a data acquisition module and an image processing and analysis module, and the mechanical separation module includes an actuator.

[0022] In a further embodiment, the vibrating feeder mechanism generates centrifugal force by rotating the eccentric block in the vibrator, so that the coal is continuously thrown on the screen surface. This movement makes the coal evenly distributed on the screen surface and stably transported to the conveyor belt.

[0023] In this embodiment, the design of the vibrating feeding mechanism ensures that the coal can be evenly spread on the screen surface, thereby effectively improving the efficiency and stability of the subsequent processing process and achieving optimized management of coal flow and distribution. This precise control can not only ensure the uniform distribution of coal on the screen surface, reduce processing problems caused by uneven material accumulation or flow fluctuations, but also improve the accuracy of screening and sorting.

[0024] In a further embodiment, the conveying mechanism is composed of a conveyor belt and a driving device, which is responsible for the subsequent transfer of the coal conveyed by the vibrating feeding mechanism to ensure that the coal is smoothly transferred to the next processing stage.

[0025] In this embodiment, the conveying mechanism ensures the continuous flow of coal throughout the entire process, and maintains a stable flow and uniform distribution at each stage of transportation, ensuring the reliability of raw material supply and avoiding problems caused by interruption or imbalance of raw material supply. Through an efficient conveying mechanism, the loss and waste of materials during transportation can be reduced, and the operating efficiency of the entire production line can be improved.

[0026] In a further embodiment, the X-ray emission source can generate a stable, high-intensity X-ray beam to transmit the coal on the conveyor belt, and can perform detailed internal inspection of the coal to identify and analyze the composition and quality of the coal.

[0027] In this embodiment, this high-intensity X-ray beam ensures the accuracy and efficiency of the detection process by providing extremely high penetration power and resolution. It can capture subtle changes and impurities in the coal in detail, thereby generating accurate data, providing reliable support for subsequent coal processing and sorting, and can more accurately identify and separate different types of materials, improve the accuracy and overall efficiency of sorting, thereby significantly improving the performance of the production line and product quality.

[0028] In a further embodiment, the detector receives X-rays passing through the coal blocks and converts them into electrical signals, which, after being processed, can reveal the difference in X-ray penetration intensity in different areas, thereby effectively identifying the difference between coal blocks and gangue.

[0029] In this embodiment, it is not only helpful to distinguish useful coal lumps from useless gangue in coal mines, but also to optimize the sorting process by accurately identifying and separating different substances. This precise sorting not only reduces unnecessary losses and waste, but also improves the recovery rate and resource utilization efficiency of coal, and improves the quality and purity of the final coal product. In addition, the optimized sorting process can also reduce processing costs and energy consumption, further improving the economic benefits and environmental friendliness of the overall production line.

[0030] In a further embodiment, the data acquisition module is responsible for converting the signals received by the detector into digital images or data for analysis, which includes digitizing the analog signals to generate detailed images or data sets.

[0031] In this embodiment, the data acquisition module further analyzes and interprets this information to provide key information about the quality and composition of the coal. This conversion not only improves the accuracy of data processing, but also makes subsequent analysis more efficient and intuitive.

[0032] In a further embodiment, the image processing and analysis module performs a series of image processing operations on the collected X-ray images, including preprocessing, edge detection and binarization, to extract depth information of coal and gangue.

[0033] In this embodiment, the image processing and analysis module can identify and analyze the gray value, shape and size and other features in the image, thereby describing in detail the different features of coal and gangue. This analysis not only helps to accurately classify and evaluate coal and gangue, but also provides a detailed basis for subsequent processing and sorting, thereby improving overall efficiency and effectiveness.

[0034] In a further embodiment, the actuator (such as a gas valve, a robotic arm, etc.) can perform precise separation of coal and gangue based on the results provided by the image processing and analysis module, so that it can accurately identify and separate useful coal blocks and useless gangue during transportation, thereby achieving efficient sorting.

[0035] In this embodiment, by precisely adjusting the system parameters and operating conditions, high-quality coal lumps and useless impurities can be accurately identified and separated. This efficient separation reduces the need for subsequent processing steps, reduces energy consumption and waste of raw materials in the production process. Precise control makes the use of resources more targeted, thereby improving the recovery rate and economic benefits of coal.

[0036] The working principle of the present invention is as follows: X-rays are emitted through an X-ray emission source. X-rays have different penetration and attenuation characteristics for different material densities and compositions. When X-rays pass through materials such as coal and gangue, due to their different densities, compositions and internal structures, the X-rays will attenuate to varying degrees. These attenuated X-ray signals are captured by precise detectors, and converted into digital images or data through a data acquisition module. The image processing and analysis module further analyzes and obtains the depth information of materials such as coal and gangue. Based on the recognition results, the computer intelligent control module controls the actuator (such as a gas valve, a robotic arm, etc.) to perform sorting operations.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal mine fine sorting system based on X-ray, comprising a vibrating feeding mechanism, a conveying mechanism, an imaging analysis module, an intelligent control module, and a mechanical separation module, characterized in that: The imaging analysis module includes an X-ray emission source and a detector, the vibration feeding mechanism includes a vibrator, the intelligent control module includes a data acquisition module and an image processing and analysis module, and the mechanical separation module includes an actuator.

2. The X-ray based coal mine fine sorting system according to claim 1, characterized in that: The vibrating feeding mechanism generates centrifugal force by rotating the eccentric block in the vibrator, so that the coal is continuously thrown on the screen surface, so that the coal is evenly distributed on the screen surface and is stably transported to the conveying mechanism.

3. The X-ray based coal mine fine sorting system according to claim 1, characterized in that: The conveying mechanism is composed of a conveyor belt and a driving device, and is responsible for the subsequent transfer of the coal conveyed by the vibrating feeding mechanism, ensuring that the coal is smoothly transmitted to the next processing stage.

4. The X-ray based coal mine fine sorting system according to claim 1, characterized in that: The X-ray emission source can generate a stable, high-intensity X-ray beam to transmit the coal on the conveyor belt, and can perform detailed internal inspection of the coal to identify and analyze the composition and quality of the coal.

5. The X-ray based coal mine fine sorting system according to claim 1, characterized in that: The detector receives X-rays passing through the coal blocks and converts them into electrical signals. After being processed, these electrical signals can reveal the differences in X-ray penetration intensity in different areas, thereby effectively identifying the difference between coal blocks and gangue.

6. The X-ray based coal mine fine sorting system according to claim 1, characterized in that: The data acquisition module is responsible for converting the signals received by the detector into digital images or data that can be analyzed. This process includes digitizing the analog signals to generate detailed images or data sets.

7. The X-ray based coal mine fine sorting system according to claim 1, characterized in that: The image processing and analysis module performs a series of image processing operations on the collected X-ray images, including preprocessing, edge detection and binarization, to extract the depth information of coal and gangue, thereby depicting the different characteristics of coal blocks and gangue in detail.

8. The X-ray based coal mine fine sorting system according to claim 1, characterized in that: The actuator (such as a gas valve, a robotic arm, etc.) can perform precise separation of coal and gangue according to the results provided by the image processing and analysis module, so that it can accurately identify and separate useful coal blocks and useless gangue during transportation, thereby achieving efficient sorting.

Citation Information

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