Material processing system and raw coal processing equipment

Abstract

The utility model provides a material processing system and raw coal processing equipment, and relates to the technical field of material processing, the material processing system comprises a material receiving device, a screening device, a first processing device, a second processing device and a clearance machine, through the cooperation of all the structures, coal briquettes can be effectively prevented from scattering on the ground, the working environment is kept clean, and the working efficiency is improved. And the risk that workers work in a dirty and disordered environment is reduced. Moreover, the material recovery device can realize effective material recovery, and reduces the potential safety hazard of slipping of workers due to falling coal briquettes or other safety accidents. In addition, falling coal briquettes are recycled and treated through a mechanical means, the ground does not need to be flushed with water, and precious water resources are saved. And moreover, the generation of sewage can be reduced, the influence on the environment is reduced, and the burden of environmental protection is reduced. The whole system carries out material treatment through an automatic device, the requirement for human intervention is reduced, and the overall management level and the standardization degree of the production process are improved.

Description

Technical Field

[0001] This utility model relates to the field of raw coal processing technology, and in particular to a material processing system and raw coal processing equipment. Background Technology

[0002] During underground coal transportation, due to imperfect transportation equipment or improper operation, coal chunks can easily slip from the conveyor belt or other transportation devices onto the ground. This not only wastes coal resources but also creates a dirty and messy working environment. To solve this problem, the common method is to wash the ground with water, but this brings the following issues: 1. Water waste: Washing with large amounts of water results in huge water consumption. 2. Environmental pollution: Wastewater from washing requires treatment, increasing the environmental burden. 3. Low work efficiency: Frequent washing operations consume a lot of time and manpower, affecting production efficiency. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a material handling system and raw coal processing equipment, which can effectively prevent coal blocks from scattering on the ground, reduce water waste, and reduce environmental burden.

[0004] In a first aspect, this utility model provides a material handling system applied to a raw coal conveyor belt for transporting raw coal underground. The material handling system includes a receiving device, a screening device, a first processing device, a second processing device, and a cleaning machine. The receiving device receives coal chunks falling from the raw coal conveyor belt. The screening device includes an input end and a vibrating screening structure. The input end is connected to the receiving device and is used to convey coal chunks to the vibrating screening structure. The vibrating screening structure includes a first output end and a second output end, which is used to screen coal chunks to the first and second output ends. The first output end is used to output coal chunks that fail to pass screening, and the second output end is used to output coal chunks that pass screening. One end of the first processing device is connected to the first output end of the screening device, and the other end is connected to the inlet end of the raw coal conveyor belt. The first processing device is used to transfer coal chunks that fail to pass screening. One end of the second processing device is connected to the second output end of the screening device, and the other end is connected to the cleaning machine. The cleaning machine is used to process particulate materials in the screened coal chunks.

[0005] In conjunction with the first aspect, the present invention provides a first implementation of the first aspect, wherein the first processing device includes a transfer belt, the transfer belt includes a receiving section, a transmission section and a conveying section, the conveying section is connected to the feed end of the raw coal belt conveyor, the receiving section is connected to the first output end of the screening device, and the transmission section is used to connect the receiving section and the conveying section.

[0006] In conjunction with the first aspect, this utility model provides a second implementation of the first aspect, wherein the cleaning machine includes a first cleaning machine and a second cleaning machine, which are connected in sequence; the first cleaning machine is used to process coarse particles in coal blocks, and the second cleaning machine is used to perform secondary processing on the material output by the first cleaning machine.

[0007] In conjunction with the first aspect, this utility model embodiment provides a third implementation of the first aspect, wherein there are multiple second clearing machines connected in series; wherein the output end of each second clearing machine is connected to the input end of the next second clearing machine.

[0008] In conjunction with the first aspect, this utility model provides a fourth implementation of the first aspect, wherein the second processing device includes a conveying device, the output end of which is connected to the input end of the clearing machine.

[0009] In conjunction with the first aspect, this utility model provides a fifth implementation of the first aspect, wherein a solid-liquid separation device is provided between the second processing device and the cleaning machine, and the solid-liquid separation device is used to perform solid-liquid separation processing on the coal blocks transferred by the second processing device.

[0010] In conjunction with the first aspect, this utility model provides a sixth implementation of the first aspect, wherein the material handling system further includes a sedimentation system, which is located at the rear end of the cleaning machine and is used to sediment the material output by the cleaning machine.

[0011] In conjunction with the first aspect, this utility model provides a seventh implementation of the first aspect, wherein the sedimentation system includes a receiving tank and a mud pump disposed in the receiving tank, the input end of the mud pump is disposed facing the bottom of the receiving tank, and the output end of the mud pump is connected to the input end of the cleaning machine; the mud pump is used to transport the mud in the receiving tank to the cleaning machine so that the cleaning machine can perform secondary treatment on the mud.

[0012] In conjunction with the first aspect, this utility model provides an eighth implementation of the first aspect, wherein the sedimentation system further includes a sedimentation tank, which is located at the rear end of the receiving tank and is used for sedimentation treatment of the material output from the receiving tank.

[0013] Secondly, this utility model provides a raw coal processing device, which includes the material processing system of any of the above embodiments.

[0014] This utility model provides a material handling system and raw coal processing equipment. Through the cooperation of a receiving device, a screening device, a first processing device, a second processing device, and a cleaning machine, it can effectively prevent coal chunks from scattering on the ground, maintain a clean working environment, and reduce the risk of workers working in a dirty and messy environment. Moreover, this utility model can achieve effective material recovery, reducing the safety hazards of workers slipping on fallen coal chunks or other safety accidents.

[0015] Furthermore, this invention uses mechanical means to recover and process fallen coal, eliminating the need to wash the ground with water and conserving valuable water resources. It also reduces wastewater generation, lessening the environmental impact and environmental burden. The entire system utilizes automated equipment for material handling, reducing the need for human intervention and improving overall management and standardization of the production process. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 A schematic diagram of the structure of a material handling system provided in an embodiment of this utility model;

[0018] Figure 2 This is a schematic diagram of another material handling system provided in an embodiment of the present invention;

[0019] Figure 3 A top view of a material handling system provided in an embodiment of this utility model;

[0020] Figure 4 This is a schematic diagram showing the relative positions of a second processing device and a clearing machine, provided for an embodiment of this utility model.

[0021] Icons: 10-Receiving device; 20-Screening device; 30-First processing device; 40-Second processing device; 41-Solid-liquid separation equipment; 50-Cleaner. Detailed Implementation

[0022] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] To overcome the above problems, this solution proposes a material handling system and raw coal processing equipment, which can effectively prevent coal blocks from scattering on the ground, maintain a clean working environment, and reduce the risk of workers working in a dirty and messy environment.

[0024] To facilitate understanding, a material handling system provided in this embodiment of the present invention will first be described. This material handling system is applied to a raw coal conveyor belt, which is used to transport raw coal underground. Figure 1 A schematic diagram of the structure of a material handling system provided in an embodiment of the present invention is shown, as follows: Figure 1 As shown, the material handling system includes: a receiving device 10, a screening device 20, a first processing device 30, a second processing device 40, and a cleaning machine 50. The receiving device 10 is used to receive coal chunks falling from the raw coal conveyor belt. In a specific implementation, it is installed below the raw coal conveyor belt or at other locations where coal chunks are likely to fall, and then guides them into the subsequent processing devices. In one embodiment, the receiving device 10 can be a receiving hopper or a vibrating feeder, etc.

[0025] The aforementioned screening device 20 includes an input end and an oscillating screening structure. The input end is connected to the receiving device 10 and is used to transport coal blocks to the oscillating screening structure, so that the oscillating screening structure can screen the collected coal blocks according to particle size. The oscillating screening structure includes a first output end and a second output end, which are used to screen coal blocks to the first and second output ends. Specifically, the first output end is used to output coal blocks that fail to pass screening, such as coarse coal blocks; the second output end is used to output coal blocks that pass screening, such as fine coal blocks. In one embodiment, the oscillating screening structure can be a vibrating screen, a drum screen, etc.

[0026] Furthermore, this utility model also includes a first processing device 30 and a second processing device 40. One end of the first processing device 30 is connected to the first output end of the screening device 20, and the other end is connected to the feed end of the raw coal conveyor belt. The first processing device 30 is used to transfer coal blocks that have not passed screening. One end of the second processing device 40 is connected to the second output end of the screening device 20, and the other end is connected to a cleaning machine 50. The cleaning machine 50 is used to process particulate materials in the coal blocks that have passed screening. Based on this, this utility model embodiment can separate fallen coal blocks into large blocks and small particles for separate processing, improving resource utilization. Furthermore, the first processing device 30 directly transfers the coal back to the feed end of the raw coal conveyor belt, reducing the time and workload of manual cleaning and improving production efficiency. Moreover, the second processing device 40 transports the coal to the cleaning machine 50 for processing, and the automated processing reduces manpower requirements, further improving production efficiency.

[0027] In summary, the material handling system provided by this utility model, through the cooperation of the receiving device 10, the screening device 20, the first processing device 30, and the second processing device 40, can effectively prevent coal blocks from scattering on the ground, maintain a clean working environment, and reduce the risk of workers working in a dirty and messy environment. Moreover, this utility model can achieve effective material recovery, reducing the safety hazards of workers slipping or other accidents caused by fallen coal blocks. Furthermore, this utility model recovers and processes fallen coal blocks mechanically, eliminating the need to wash the ground with water, thus saving valuable water resources. It also reduces wastewater generation, mitigating environmental impact and reducing the environmental burden. The entire system uses automated devices for material handling, reducing the need for human intervention and improving the overall management level and the standardization of the production process.

[0028] Furthermore, based on the above embodiments, this utility model also provides another material handling system. Figure 2 A schematic diagram of another material handling system provided by an embodiment of the present invention is shown, as follows: Figure 2 As shown, the first processing device 30 includes a transfer belt, which comprises a receiving section, a transmission section, and a conveying section. The conveying section connects to the feed end of the raw coal conveyor belt, the receiving section connects to the first output end of the screening device 20, and the transmission section connects the receiving section and the conveying section. Through the design of the transfer belt, the first processing device 30 not only has a simple structure and is easy to implement, but also enables the effective recovery and reuse of large coal pieces that have not passed screening, reducing resource waste and improving production efficiency.

[0029] Furthermore, the second processing device 40 includes a conveying device, the output end of which is connected to the input end of the cleaning machine 50. The receiving device 10 is a roller screen, and the vibrating screening mechanism is a vibrating screen. The first and second output ends are distinguished based on the screen openings of the vibrating screen. Correspondingly, the first output end is positioned above the second output end. In this embodiment of the invention, the second processing device 40 and the first processing device 30 (such as a conveyor belt) can be vertically aligned. Figure 3 A top view of the material handling system corresponding to an embodiment of the present invention is shown, with reference to... Figure 3 The conveyor belt covers the second processing device 40. The second processing device 40 (such as a conveyor belt) extends to the cleaning machine 50 and connects to the inlet of the cleaning machine 50 to transfer materials to the cleaning machine 50.

[0030] Furthermore, this invention also includes a solid-liquid separation device 41 between the second processing device 40 and the cleaning machine 50. The solid-liquid separation device 41 is used to perform solid-liquid separation processing on the coal blocks transferred by the second processing device 40. In one embodiment, it can be a filter press or a centrifuge to perform solid-liquid separation processing on the small coal particles that have passed through screening, further optimizing the material processing process and improving the quality of the material and the efficiency of subsequent processing.

[0031] Furthermore, the cleaning machine 50 in this embodiment includes a first cleaning machine and a second cleaning machine, which are connected in sequence. The first cleaning machine is used to process coarse particles in the coal, and the second cleaning machine is used to perform secondary processing on the material output from the first cleaning machine. Combined with a solid-liquid separation device, the first cleaning machine receives the dried small coal particles processed by the solid-liquid separation device 41 and outputs the processed coarse particles, which may still contain some larger particles or impurities. Further, the second cleaning machine performs secondary processing on the material output from the first cleaning machine to further refine the material, outputting the final processed material, which has reached the required particle size and purity standards. Through two cleaning processes, the particle size and purity of the material are further optimized, resulting in higher material quality and reducing the burden on subsequent processing equipment.

[0032] Furthermore, this embodiment of the invention includes multiple second cleaning machines connected in series. The output of each second cleaning machine is connected to the input of the next second cleaning machine, allowing for multi-stage secondary processing of the material output from the first cleaning machine, progressively refining the material. Specifically, the cleaning machine comprises two stages: the first stage processes coal lumps and some coarse particles; correspondingly, the first cleaning machine can be a single device without inclined plates. The second stage processes coarse particles larger than 3mm ± 0.5mm; correspondingly, the second cleaning machines can be 3-5 devices with inclined plates. Figure 4 A schematic diagram showing the relative positions of the second processing unit 40 and the cleaning machine 50 is provided. Figure 4 In this process, the second processing unit 40 (transfer device) extends to the input end of each cleaning machine 50.

[0033] Furthermore, this utility model also includes a sedimentation system (not shown in the figure). The sedimentation system is located at the rear end of the cleaning machine 50 and is used to sedimentate the material output from the cleaning machine 50 to further remove impurities and fine particles, thereby improving the purity of the material. In this embodiment, the sedimentation system includes a receiving tank for collecting the material output from the last second cleaning machine and performing preliminary sedimentation treatment.

[0034] Furthermore, the sedimentation system also includes a slurry pump installed in the receiving tank, with the input end of the slurry pump facing the bottom of the receiving tank. The output end of the slurry pump is connected to the input end of the cleaning machine 50 (not shown in the figure); the slurry pump is used to transport the slurry in the receiving tank to the cleaning machine 50 for secondary treatment of the slurry. The slurry, even after preliminary sedimentation, may still contain fine particles and impurities. This invention, by designing a slurry pump and connecting its output end to the input end of the cleaning machine 50, can further improve the purity and quality of the material to more thoroughly remove these impurities. In practical implementation, the output end of the slurry pump can be connected to the input end of a first and second cleaning machine, allowing the second cleaning machine to further process the material in the receiving tank.

[0035] Furthermore, the sedimentation system also includes a sedimentation tank located at the rear end of the receiving tank. The sedimentation tank is used for sedimentation treatment of the material output from the receiving tank. In one embodiment, a 100-meter sedimentation tank can be built at the rear end of the receiving tank. Preferably, the sedimentation tank is at least 50 meters in length, and the size of the sedimentation tank can be set according to requirements. Furthermore, guardrails can be installed around the sedimentation system to protect it, and a maintenance area can be set at the front end of the receiving tank for equipment maintenance.

[0036] In one embodiment, the sedimentation system is used to treat fine materials below +0.5 g / m², and can be designed with three pumps and three collection tanks. The sedimentation tanks allow materials to settle naturally and process any remaining fine materials. The sedimentation tanks can be cleaned periodically using pumps or pressure filters. Furthermore, based on this embodiment, the treated fine materials enter a water tank or are directly transported to a surface water treatment system.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A material handling system, characterized in that, This system is applied to raw coal conveyor belts, which are used to transport raw coal underground; the material handling system includes a receiving device, a screening device, a first processing device, a second processing device, and a cleaning machine. The receiving device is used to receive coal chunks that fall from the raw coal conveyor belt; The screening device includes an input end and an oscillating screening structure; the input end is connected to the receiving device and is used to transport the coal block to the oscillating screening structure; The oscillating screening structure includes a first output end and a second output end. The oscillating screening structure is used to screen the coal blocks to the first output end and the second output end. The first output end is used to output coal blocks that fail to pass the screening, and the second output end is used to output coal blocks that pass the screening. One end of the first processing device is connected to the first output end of the screening device, and the other end is connected to the feed end of the raw coal conveyor belt. The first processing device is used to transfer coal blocks that have not passed the screening. One end of the second processing device is connected to the second output end of the screening device, and the other end is connected to the cleaning machine, which is used to process the particulate material in the coal blocks that have passed through screening.

2. The material handling system according to claim 1, characterized in that, The first processing device includes a transfer belt, which includes a receiving section, a transmission section, and a conveying section. The conveying section is connected to the feed end of the raw coal belt conveyor, the receiving section is connected to the first output end of the screening device, and the transmission section is used to connect the receiving section and the conveying section.

3. The material handling system according to claim 1, characterized in that, The clearing machine includes a first clearing machine and a second clearing machine, which are connected in sequence; The first cleaning machine is used to process coarse particles in the coal block, and the second cleaning machine is used to perform secondary processing on the material output by the first cleaning machine.

4. The material handling system according to claim 3, characterized in that, There are multiple second clearing machines, which are connected in series; wherein the output of each second clearing machine is connected to the input of the next second clearing machine.

5. The material handling system according to claim 1, characterized in that, The second processing device includes a conveying device, the output of which is connected to the input of the clearing machine.

6. The material handling system according to claim 1, characterized in that, A solid-liquid separation device is provided between the second processing device and the cleaning machine. The solid-liquid separation device is used to perform solid-liquid separation processing on the coal blocks transferred by the second processing device.

7. The material handling system according to claim 1, characterized in that, The material handling system also includes a sedimentation system, which is located at the rear end of the cleaning machine and is used to sediment the material output by the cleaning machine.

8. The material handling system according to claim 7, characterized in that, The sedimentation system includes a receiving tank and a mud pump installed in the receiving tank. The input end of the mud pump is located towards the bottom of the receiving tank, and the output end of the mud pump is connected to the input end of the cleaning machine. The mud pump is used to transport the mud in the receiving pool to the cleaning machine so that the cleaning machine can perform secondary treatment on the mud.

9. The material handling system according to claim 8, characterized in that, The sedimentation system also includes a sedimentation tank, which is located at the rear end of the receiving tank and is used for sedimentation treatment of the material output from the receiving tank.

10. A raw coal processing device, characterized in that, Includes the material handling system according to any one of claims 1 to 9.

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