Coal mine oxidized coal resource utilization device

Abstract

The utility model relates to the technical field of coal mine oxidized coal processing, and discloses a coal mine oxidized coal resource utilization device which comprises a supporting frame, a crushing box, a driving motor, a crushing roller, a discharging bin, a screening assembly, a feeding hose, a feeding pipeline, a pyrolysis gasification device and a gas outlet pipe. An exhaust pipe is fixedly connected to the top end of the gas purifier, a discharging opening is formed in the lower portion of the right end of the crushing box, a guide plate is fixedly connected to the bottom end of the discharging opening, a vibration motor is fixedly installed in the middle of the bottom end of the screening assembly, and a liquid discharging pipe is fixedly connected to the bottom end of the pyrolysis gasification device. The coal mine oxidized coal is crushed through mutual rotation of the two crushing rollers, the coal mine oxidized coal is screened through the screening assembly, oxidized coal particles meeting the requirement are conveyed into the pyrolysis gasification device through the feeding hose to be treated, gas generated after treatment is purified through the gas purifier and then discharged, and environment pollution is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of oxidized coal processing in coal mines, and more specifically to a resource utilization device for oxidized coal in coal mines. Background Art

[0002] Oxidized coal in coal mines is a special type of coal seam. It is a coal seam below the weathering zone that has changed its chemical properties after being affected mainly by chemical weathering, but the change in physical properties is not as obvious as that of the coal seams in the weathering zone. The oxidation depth of the coal seam is mainly restricted by the occurrence of the coal seam, geological and geomorphological conditions, hydrogeological conditions, and natural geographical conditions, and is related to the degree of damage caused by mining in old kilns. Therefore, the resource utilization of oxidized coal in coal mines has broad prospects for realizing the sustainable development of the coal mining industry.

[0003] Shortcomings of the prior art: The oxidized coal resource utilization device in the prior art is unable to crush the oxidized coal into an ideal particle size before processing, resulting in incomplete subsequent reaction process, reducing the stability and efficiency of the resource utilization device. At the same time, the gas generated by the oxidized coal after the processing is completed is not purified to remove harmful gases and impurities, resulting in substandard gas product quality and causing harm to the environment. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a coal mine oxidized coal resource utilization device to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: a coal mine oxidized coal resource utilization device, comprising a support frame, a crushing box is fixedly installed on the left side of the top of the support frame, driving motors are fixedly installed on both the front and rear ends of the crushing box, the output ends of the two driving motors pass through the crushing box and are fixedly connected with crushing rollers, the two crushing rollers are rotatably connected to the inner cavity of the crushing box, the lower right end of the crushing box is fixedly connected with a discharge bin, a plurality of damping springs are fixedly installed in a rectangular array in the middle of the top of the support frame, the tops of the damping springs are fixedly connected with a screening assembly, and a collecting A box, a feeding hose is fixedly connected to the middle part of the right end of the screening component, and the end of the feeding hose away from the screening component is fixedly connected to a feeding pipe, and the bottom end of the feeding pipe is fixedly connected to a pyrolysis gasification device, and one side of the top of the pyrolysis gasification device is fixedly connected to an outlet pipe, and the top of the outlet pipe is fixedly connected to a gas purifier, and the top of the gas purifier is fixedly connected to an exhaust pipe, a discharge port is provided at the lower part of the right end of the crushing box, and a guide plate is fixedly connected to the bottom end of the discharge port, a vibration motor is fixedly installed in the middle part of the bottom end of the screening component, and the bottom end of the pyrolysis gasification device is fixedly connected to a drain pipe.

[0006] Preferably, the position of the discharge port corresponds to the position of the discharge bin, the discharge port is connected to the inner cavity of the discharge bin, and the guide plate is located in the inner cavity of the discharge bin.

[0007] Preferably, the screening assembly includes a screening box, two connecting blocks are fixedly connected at equal distances at the front and rear ends of the screening box, an open slot is opened at the left end of the screening box, three screens are fixedly connected at equal distances in the middle part of the inner cavity of the screening box, a protective cover is fixedly connected to the top of the screening box, a recovery bin is arranged at the bottom end of the inner cavity of the screening box, a fixing plate is fixedly connected to the right end of the screening box, and a pipe interface is opened in the middle part of the right end of the fixing plate.

[0008] Preferably, the connecting block is fixedly connected to the top end of the damping spring, and the vibration motor is fixedly installed at the bottom end of the screening box.

[0009] Preferably, the diameters of the through holes opened at the tops of the three screens gradually decrease from left to right.

[0010] Preferably, the opening slot corresponds to the position of the discharge bin, the opening slot is connected to the discharge bin, the position of the pipeline interface corresponds to the position of the feeding hose, and the pipeline interface is connected to the feeding hose.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model is provided with two crushing rollers that rotate with each other to crush the oxidized coal, and the two crushing rollers are driven by a motor to rotate with each other, and the oxidized coal is crushed by saw teeth evenly distributed on the surface to ensure the crushing effect of the oxidized coal. After the crushing, the oxidized coal particles are transmitted to the discharge bin through the discharge port and the guide plate, and are screened in the screening component through the discharge bin. The through hole diameter of the screen is gradually reduced from left to right. Through multiple screenings, the oxidized coal particles reach the required particle size, and the reaction effect of the subsequent process is ensured. The coarser particles screened out are collected and collected in the collection bin for secondary treatment.

[0013] The utility model processes oxidized coal by providing a pyrolysis and gasification device, wherein the oxidized coal is decomposed at high temperature to generate gas, liquid and fixed products, and the oxidized coal is converted into combustible gas. The gas produced by the pyrolysis and gasification device enters the gas purifier through the gas outlet pipe, and the produced gas is purified by the gas purifier and then discharged through the exhaust pipe, thereby preventing harmful substances in the gas from polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0016] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0017] Figure 4 This is a schematic diagram of the structure of the screening component of the utility model.

[0018] The accompanying drawings are marked as follows: 1. support frame; 2. crushing box; 3. drive motor; 4. crushing roller; 5. discharge bin; 6. shock-absorbing spring; 7. screening assembly; 71. screening box; 72. connecting block; 73. opening slot; 74. screen; 75. protective cover; 76. recovery bin; 77. fixing plate; 78. pipeline interface; 8. collecting box; 9. feeding hose; 10. feeding pipeline; 11. pyrolysis gasification device; 12. outlet pipe; 13. gas purifier; 14. exhaust pipe; 15. discharge port; 16. guide plate; 17. vibration motor; 18. drain pipe. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The coal mine oxidation coal resource utilization device involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] The utility model provides a coal mine oxidized coal resource utilization device, such as Figures 1 to 3As shown, it includes a support frame 1, a crushing box 2 is fixedly installed on the left side of the top of the support frame 1, and driving motors 3 are fixedly installed on both the front and rear ends of the crushing box 2. The output ends of the two driving motors 3 pass through the crushing box 2 and are fixedly connected to crushing rollers 4. The two crushing rollers 4 are connected to the inner cavity of the crushing box 2 for rotation. The crushing rollers 4 are rotated by the driving motor 3. The oxidized coal in the coal mine is crushed by the two rotating crushing rollers 4 to ensure the reaction effect of the subsequent processes. A discharge bin 5 is fixedly connected to the lower right end of the crushing box 2, and a plurality of damping springs 6 are fixedly installed in a rectangular array in the middle of the top of the support frame 1. A screening assembly 7 is fixedly connected to the top of the damping springs 6. A collecting box 8 is arranged on the right side of the support frame 1, and a feeding hose 9 is fixedly connected to the middle of the right end of the screening assembly 7. The feeding hose 9 is away from One end of the screening component 7 is fixedly connected to a feed pipe 10, and the bottom end of the feed pipe 10 is fixedly connected to a pyrolysis gasification device 11. The screened oxidized coal particles are transported to the pyrolysis gasification device 11 through a feeding hose 9. The pyrolysis gasification device 11 causes the oxidized coal to undergo a decomposition reaction at high temperature to generate gas, liquid and fixed products, and at the same time convert the oxidized coal into combustible gas, and the energy generated by it is recovered and reused. An outlet pipe 12 is fixedly connected to one side of the top of the pyrolysis gasification device 11, and a gas purifier 13 is fixedly connected to the top of the outlet pipe 12. The generated gas enters the gas purifier 13 through the outlet pipe 12 for purification. The top of the gas purifier 13 is fixedly connected to an exhaust pipe 14, and the purified gas is discharged through the exhaust pipe 14 to avoid causing environmental pollution.

[0021] Furthermore, a discharge port 15 is opened at the lower right end of the crushing box 2, and a guide plate 16 is fixedly connected to the bottom end of the discharge port 15. The position of the discharge port 15 corresponds to the position of the discharge bin 5. The discharge port 15 is connected to the inner cavity of the discharge bin 5, and the guide plate 16 is located in the inner cavity of the discharge bin 5. The oxidized coal crushed in the crushing box 2 enters the discharge bin 5 through the discharge port 15 and the guide plate 16. A vibration motor 17 is fixedly installed at the middle of the bottom end of the screening component 7. The vibration motor 17 makes the screening component 7 vibrate for screening. A drain pipe 18 is fixedly connected to the bottom end of the pyrolysis gasification device 11, and the liquid and solid products generated in the pyrolysis gasification device 11 are discharged through the drain pipe 18.

[0022] Further, such as Figure 4As shown, the screening assembly 7 includes a screening box 71, and two connecting blocks 72 are fixedly connected at equidistant intervals at the front and rear ends of the screening box 71. An open slot 73 is provided at the left end of the screening box 71, and three screens 74 are fixedly connected at equidistant intervals in the middle of the inner cavity of the screening box 71. The crushed oxidized coal is screened by the screens 74. A protective cover 75 is fixedly connected to the top of the screening box 71. The protective cover 75 prevents the oxidized coal from splashing around during the screening process and causing waste. A recovery bin 76 is provided at the bottom end of the inner cavity of the screening box 71, and the screened particles are collected and concentrated by the recovery bin 76 for secondary crushing. A fixed plate 77 is fixedly connected to the right end of the screening box 71, and a pipe interface 78 is provided in the middle of the right end of the fixed plate 77. After reaching the specified particle size, it is transmitted through the fixed plate 77 and the pipe interface 78.

[0023] Furthermore, the connecting block 72 is fixedly connected to the top of the damping spring 6, and the vibration motor 17 is fixedly installed at the bottom of the screening box 71. The vibration of the vibration motor 17 causes the screen 74 to be screened. The diameter of the through holes opened at the top of the three screens 74 gradually decreases from left to right to ensure that the oxidized coal particles can reach the required particle size. The opening groove 73 corresponds to the position of the discharge bin 5, and the opening groove 73 is connected to the discharge bin 5. The position of the pipeline interface 78 corresponds to the position of the feeding hose 9, and the pipeline interface 78 is connected to the feeding hose 9. The qualified oxidized coal is transported to the pyrolysis gasification device 11 for treatment through the feeding hose 9.

[0024] The working principle of the utility model is as follows: first, the oxidized coal of the coal mine is added to the crushing box 2, and the driving motor 3 is started. The crushing roller 4 is rotated by the driving motor 3, and the oxidized coal of the coal mine is crushed by two rotating crushing rollers 4. The crushed oxidized coal particles enter the discharge bin 5 through the discharge port 15 and the guide plate 16, and enter the inner cavity of the screening box 71 through the discharge bin 5 and the opening slot 73. After entering the inner cavity of the screening box 71, the vibration motor 17 is started. The vibration motor 17 enables the oxidized coal particles to pass through the screen 74 better. The diameters of the through holes opened at the tops of the three screens 74 are gradually reduced from left to right, so as to ensure that the oxidized coal particles can reach the required particle size. Standard particles are collected in a recovery bin 76 and crushed for a second time. The particles that meet the requirements are transported through a fixed plate 77 and a pipe interface 78. The qualified oxidized coal is transported to a pyrolysis gasification device 11 for treatment through a feeding hose 9. The oxidized coal is decomposed at high temperature by the pyrolysis gasification device 11 to generate gas, liquid and fixed products. The oxidized coal is converted into combustible gas at the same time, and the energy generated by the oxidized coal is recovered and reused. The generated gas enters a gas purifier 13 through an outlet pipe 12 for purification. An exhaust pipe 14 is fixedly connected to the top of the gas purifier 13. The purified gas is discharged through the exhaust pipe 14 to avoid causing environmental pollution.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0026] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A device for recycling oxidized coal in a coal mine, comprising a support frame (1), characterized in that: A crushing box (2) is fixedly mounted on the left side of the top of the support frame (1), and driving motors (3) are fixedly mounted on both the front and rear ends of the crushing box (2). The output ends of the two driving motors (3) penetrate the crushing box (2) and are fixedly connected to crushing rollers (4). The two crushing rollers (4) are rotatably connected to the inner cavity of the crushing box (2). A discharge bin (5) is fixedly connected to the lower right end of the crushing box (2). A plurality of damping springs (6) are fixedly mounted in a rectangular array in the middle of the top of the support frame (1), and a screening assembly (7) is fixedly connected to the top of the damping springs (6). A collecting box (8) is arranged on the right side of the support frame (1), and a feeding hose (9) is fixedly connected to the middle of the right end of the screening assembly (7). The end of the feeding hose (9) away from the screening component (7) is fixedly connected to a feeding pipe (10), the bottom end of the feeding pipe (10) is fixedly connected to a pyrolysis gasification device (11), the top side of the pyrolysis gasification device (11) is fixedly connected to an outlet pipe (12), the top of the outlet pipe (12) is fixedly connected to a gas purifier (13), the top of the gas purifier (13) is fixedly connected to an exhaust pipe (14), a discharge port (15) is provided at the lower right end of the crushing box (2), the bottom end of the discharge port (15) is fixedly connected to a guide plate (16), a vibration motor (17) is fixedly installed at the middle of the bottom end of the screening component (7), and the bottom end of the pyrolysis gasification device (11) is fixedly connected to a drain pipe (18).

2. The device for recycling oxidized coal in coal mines according to claim 1, characterized in that: The position of the discharge port (15) corresponds to the position of the discharge bin (5), the discharge port (15) is connected to and communicates with the inner cavity of the discharge bin (5), and the guide plate (16) is located in the inner cavity of the discharge bin (5).

3. The device for recycling oxidized coal in coal mines according to claim 1, characterized in that: The screening assembly (7) comprises a screening box (71), two connecting blocks (72) are fixedly connected at equidistant intervals at the front and rear ends of the screening box (71), an opening slot (73) is provided at the left end of the screening box (71), three screening meshes (74) are fixedly connected at equidistant intervals in the middle of the inner cavity of the screening box (71), a protective cover (75) is fixedly connected at the top end of the screening box (71), a recovery bin (76) is provided at the bottom end of the inner cavity of the screening box (71), a fixing plate (77) is fixedly connected at the right end of the screening box (71), and a pipe interface (78) is provided in the middle of the right end of the fixing plate (77).

4. The device for recycling oxidized coal in coal mines according to claim 3, characterized in that: The connecting block (72) is fixedly connected to the top end of the damping spring (6), and the vibration motor (17) is fixedly mounted on the bottom end of the screening box (71).

5. The device for recycling oxidized coal in coal mines according to claim 3, characterized in that: The diameters of the through holes formed at the top ends of the three screens (74) gradually decrease from left to right.

6. The device for recycling oxidized coal in coal mines according to claim 3, characterized in that: The opening groove (73) corresponds to the position of the discharge bin (5), the opening groove (73) is connected to the discharge bin (5), the position of the pipeline interface (78) corresponds to the position of the feeding hose (9), and the pipeline interface (78) is connected to the feeding hose (9).

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