Coal washing equipment at the pit mouth of a coal mine

Abstract

The utility model discloses a coal washing device at the pit mouth of a coal mine, comprising a filter trough, wherein the bottom end of the filter trough is connected to a feed port, and a slide groove is symmetrically provided on the inner wall of the filter trough, a slider is movably sleeved inside the slide groove, and the slider is symmetrically installed on the outer wall of a mounting frame, a filter screen is installed on the inner wall of the mounting frame, and a vibration motor is installed on the bottom end of the mounting frame, and a telescopic spring is installed on the bottom end of the slider. The raw material is poured into the feed port, and then falls onto the filter screen, and the vibration motor is operated, and the vibration of the vibration motor drives the mounting frame to vibrate, and the slider is pushed to slide in the slide groove, and the slider is pushed up and down to move by the elasticity of the telescopic spring. The slider is then shaken, and then the filter screen filters the coal ash from the raw coal, and the shaking improves the filtering effect, and the coal ash on the surface is removed by shaking, so as to improve the efficiency of subsequent cleaning, and avoid the increase in the difficulty of cleaning due to a large amount of coal ash on the surface of the raw coal.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine production, in particular to a coal mine pit mouth coal washing equipment. Background Art

[0002] Through the impact of water flow, raw coal with different components and different specific gravities can be separated into different grades, and dust and waste rock can be removed to reduce the ash and sulfur content. This is called coal washing. Coal washing is an indispensable link in coal processing. The coal after coal washing is called clean coal. In addition to achieving the purpose of environmental protection, coal washing can also improve the utilization rate of coal, etc. Coal washing is an indispensable process in the deep processing of coal.

[0003] However, when the above-mentioned structure is used in a coal mine pit mouth coal washing equipment, the surface of the mined raw coal will contain a certain amount of coal ash, and direct cleaning will increase the cleaning workload and reduce the cleaning efficiency. At the same time, during cleaning, the surface of the raw coal cannot be fully covered, which will reduce the cleaning efficiency. It is also necessary to avoid the water after cleaning adhering to the surface of the raw coal, and the cleaning efficiency cannot be achieved. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a coal washing device at the pit mouth of a coal mine. During the cleaning process, the surface of the mined raw coal will contain a certain amount of coal ash, and direct cleaning will increase the cleaning workload and reduce the cleaning efficiency. At the same time, during cleaning, the surface of the raw coal cannot be fully covered, which will reduce the cleaning efficiency. It is also necessary to avoid the water after cleaning from adhering to the surface of the raw coal, which will not achieve the cleaning efficiency.

[0005] To achieve the above-mentioned purpose, a coal washing device for a coal mine pit mouth is provided, comprising a filter trough, wherein the bottom end of the filter trough is connected to a feed port, and the inner wall of the filter trough is symmetrically provided with slide grooves, a slider is movably sleeved inside the slide groove, and the slider is symmetrically installed on the outer wall of the installation frame, a filter screen is installed on the inner wall of the installation frame, and a vibration motor is installed at the bottom of the installation frame.

[0006] The raw materials are poured into the feed port and then fall onto the filter net. The vibration motor is operated, and the vibration of the vibration motor drives the installation frame to vibrate, pushing the slider to slide in the slide groove. The slider is pushed up and down by the elasticity of the telescopic spring to achieve vibration, and then the filter net filters the coal ash from the raw coal. The shaking improves the filtering effect and removes the coal ash on the surface through shaking, which improves the efficiency of subsequent cleaning and avoids the increase in the difficulty of cleaning due to a large amount of coal ash on the surface of the raw coal.

[0007] According to the coal mine pit mouth coal washing equipment, a telescopic spring is installed at the bottom end of the sliding block.

[0008] According to the coal washing equipment at the pit mouth of a coal mine, a feeding port is opened on one side of the filter tank, and a cleaning tank is installed on one side of the filter tank.

[0009] According to the coal washing equipment at the pit mouth of a coal mine, a water pump is installed on the outer wall of the cleaning tank, and a water inlet pipe is installed on one side of the water pump, and a water supply pipe is installed on the other side of the water pump, a U-shaped pipe is installed on one side of the water supply pipe, and the U-shaped pipe is installed on the inner wall of the cleaning tank, and a plurality of spray holes are opened on the inner wall of the U-shaped pipe.

[0010] According to the coal mine pit mouth coal washing equipment, a regulating valve is installed on the outer wall of the water delivery pipe.

[0011] According to the coal washing equipment at the pit mouth of a coal mine, a driving motor is installed on the outer wall of the cleaning tank, and a rotating rod is fixedly installed on one side of the driving motor, a stop roller is fixedly installed on one side of the rotating rod, and the stop roller is symmetrically installed on the inner wall of the cleaning tank, and a conveyor belt is installed on the outer wall of the stop roller.

[0012] According to the coal mine pit mouth coal washing equipment, a water filter net is fixedly installed on the outer wall of the conveyor belt.

[0013] According to the coal washing equipment at the pit mouth of a coal mine, a discharge port is opened on one side of the cleaning tank, and a collecting tank is fixedly installed on the outer wall of the cleaning tank.

[0014] The filtered raw coal falls into the cleaning tank through the discharge port, and the raw coal falls onto the conveyor belt. When the drive motor is operated, the rotating rod is driven to rotate, and then the gear roller is driven to rotate, and then the conveyor belt is driven to rotate. Through the linkage of the conveyor belt, the conveyor belt transports the raw coal. When the water pump is operated, the cleaning water enters the water delivery pipe through the water inlet pipe, and then enters several U-shaped pipes installed on the inner wall of the cleaning tank, and then is sprayed and discharged through the spray hole. The raw coal being transported and moved is sprayed and cleaned. The mobile spraying can cover the raw coal more comprehensively, so that the cleaning efficiency is improved, and the water filter can filter the water to prevent the cleaned water from re-attaching to the surface of the raw coal, thereby failing to achieve the cleaning effect.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural diagram of a coal washing device for a coal mine pit entrance of the utility model;

[0018] Figure 2 The utility model is a kind of coal washing equipment for coal mine pit Figure 1 A magnified structural diagram of a partial cross section of the middle filter tank;

[0019] Figure 3 The utility model is a kind of coal washing equipment for coal mine pit Figure 2 The enlarged structural diagram of the middle installation frame and filter screen;

[0020] Figure 4 The utility model is a kind of coal washing equipment for coal mine pit Figure 2 A magnified structural diagram of a partial cross section of the middle slider;

[0021] Figure 5 The utility model is a kind of coal washing equipment for coal mine pit Figure 1 The structure diagram of the water pump and U-tube is gradually enlarged;

[0022] Figure 6 The utility model is a kind of coal washing equipment for coal mine pit Figure 1 The structural diagram of the medium drive motor and water filter is gradually enlarged.

[0023] Legend:

[0024] 1. Filter trough; 2. Feed inlet; 3. Slide; 4. Slider; 5. Mounting frame; 6. Filter screen; 7. Vibration motor; 8. Telescopic spring; 9. Feed outlet; 10. Cleaning trough; 11. Water pump; 12. Water inlet pipe; 13. Water delivery pipe; 14. U-shaped pipe; 15. Spray hole; 16. Regulating valve; 17. Driving motor; 18. Rotating rod; 19. Stop roller; 20. Conveyor belt; 21. Water filter screen; 22. Discharge port; 23. Collection trough. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] Reference Figures 1 to 6 The utility model embodiment is a coal washing device for a coal mine pit, comprising a filter tank 1, a feed port 2 is connected to the bottom end of the filter tank 1, and a slide 3 is symmetrically opened on the inner wall of the filter tank 1, a slider 4 is movably sleeved inside the slide 3, and the slider 4 is symmetrically installed on the outer wall of the installation frame 5, a filter screen 6 is installed on the inner wall of the installation frame 5, and a vibration motor 7 is installed at the bottom end of the installation frame 5. By pouring the raw material into the feed port 2, and then falling on the filter screen 6, the vibration motor 7 is operated, and the vibration of the vibration motor 7 drives the installation frame 5 to shake, and the slider 4 is pushed to slide in the slide 3. Through the elasticity of the telescopic spring 8, the slider 4 is pushed up and down to achieve shaking, and then the filter screen 6 filters the coal ash from the raw coal.

[0027] A telescopic spring 8 is installed at the bottom of the slider 4. When the vibration motor 7 drives the installation frame 5 to shake, the vibration of the installation frame 5 is improved through the elasticity of the telescopic spring 8.

[0028] A feeding port 9 is provided on one side of the filter tank 1, and a cleaning tank 10 is installed on one side of the filter tank 1. The raw coal is shaken and filtered in the filter tank 1 to filter the coal ash on the surface, and the filtered raw coal enters the cleaning tank 10 through the feeding port 9 for cleaning.

[0029] A water pump 11 is installed on the outer wall of the cleaning tank 10, and a water inlet pipe 12 is installed on one side of the water pump 11, and a water delivery pipe 13 is installed on the other side of the water pump 11, and a U-shaped pipe 14 is installed on one side of the water delivery pipe 13, and the U-shaped pipe 14 is installed on the inner wall of the cleaning tank 10, and a plurality of spray holes 15 are opened on the inner wall of the U-shaped pipe 14. By operating the water pump 11, the cleaning water enters the water delivery pipe 13 through the water inlet pipe 12, enters the plurality of U-shaped pipes 14 installed on the inner wall of the cleaning tank 10, and is sprayed and discharged through the spray holes 15, so as to spray and clean the raw coal being transported and moved.

[0030] The outer wall of the water delivery pipe 13 is provided with a regulating valve 16. Through the regulating effect of the regulating valve 16, the size of the spraying of the spraying hole 15 can be controlled.

[0031] A driving motor 17 is installed on the outer wall of the cleaning tank 10, and a rotating rod 18 is fixedly installed on one side of the driving motor 17, and a stop roller 19 is fixedly installed on one side of the rotating rod 18, and the stop roller 19 is symmetrically installed on the inner wall of the cleaning tank 10, and a conveyor belt 20 is installed on the outer wall of the stop roller 19. By operating the driving motor 17, the rotating rod 18 is driven to rotate, and then the stop roller 19 is driven to rotate, and then the conveyor belt 20 is driven to rotate, and through the linkage of the conveyor belt 20, the conveyor belt 20 transports the raw coal.

[0032] A water filter net 21 is fixedly installed on the outer wall of the conveyor belt 20. When the raw coal is sprayed and cleaned, the water filter net 21 plays a role of filtering water.

[0033] A discharge port 22 is provided on one side of the cleaning tank 10, and a collecting tank 23 is fixedly installed on the outer wall of the cleaning tank 10. The raw coal after water filtering falls into the collecting tank 23 through the discharge port 22 for collection.

[0034] Working principle: First, the raw material is poured into the feed port 2, and then falls onto the filter screen 6. The vibration motor 7 is operated, and the vibration of the vibration motor 7 drives the installation frame 5 to vibrate, pushing the slider 4 to slide in the slide slot 3. Through the elasticity of the telescopic spring 8, the slider 4 is pushed up and down to achieve vibration, and then the filter screen 6 filters the coal ash from the raw coal, and the vibration improves the filtering effect. The filtered raw coal falls into the cleaning tank 10 through the discharge port 9, and the raw coal falls onto the conveyor belt 20. The driving motor 1 is operated. 7, drives the rotating rod 18 to rotate, drives the stop roller 19 to rotate, and then drives the conveyor belt 20 to rotate. Through the linkage of the conveyor belt 20, the conveyor belt 20 transports the raw coal. When the water pump 11 is operated, the cleaning water enters the water delivery pipe 13 through the water inlet pipe 12, and then enters the several U-shaped pipes 14 installed on the inner wall of the cleaning tank 10, and is sprayed and discharged through the spray hole 15, so as to spray and clean the raw coal in the process of transportation, and the cleaned raw coal falls into the collecting tank 23 through the discharge port 22.

[0035] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A coal washing equipment at the pit mouth of a coal mine, characterized in that: The invention comprises a filter tank (1), wherein the bottom end of the filter tank (1) is connected to a feed port (2), and the inner wall of the filter tank (1) is symmetrically provided with a slide groove (3), a slider (4) is movably sleeved inside the slide groove (3), and the slider (4) is symmetrically mounted on the outer wall of a mounting frame (5), a filter screen (6) is mounted on the inner wall of the mounting frame (5), and a vibration motor (7) is mounted on the bottom end of the mounting frame (5), a feed port (9) is opened on one side of the filter tank (1), and a cleaning tank (10) is mounted on one side of the filter tank (1), a water pump (11) is mounted on the outer wall of the cleaning tank (10), and a water inlet pipe is mounted on one side of the water pump (11). (12), and a water delivery pipe (13) is installed on the other side of the water pump (11), a U-shaped pipe (14) is installed on one side of the water delivery pipe (13), and the U-shaped pipe (14) is installed on the inner wall of the cleaning tank (10), and a plurality of spray holes (15) are opened on the inner wall of the U-shaped pipe (14), a driving motor (17) is installed on the outer wall of the cleaning tank (10), and a rotating rod (18) is fixedly installed on one side of the driving motor (17), a stop roller (19) is fixedly installed on one side of the rotating rod (18), and the stop roller (19) is symmetrically installed on the inner wall of the cleaning tank (10), and a conveyor belt (20) is installed on the outer wall of the stop roller (19).

2. A coal mine pit mouth coal washing equipment according to claim 1, characterized in that: A telescopic spring (8) is installed at the bottom end of the slider (4).

3. A coal mine pit mouth coal washing equipment according to claim 1, characterized in that: A regulating valve (16) is installed on the outer wall of the water delivery pipe (13).

4. A coal mine pit mouth coal washing equipment according to claim 1, characterized in that: A water filter net (21) is fixedly mounted on the outer wall of the conveyor belt (20).

5. The coal washing equipment at the pit mouth of a coal mine according to claim 1, characterized in that: A discharge port (22) is provided on one side of the cleaning tank (10), and a collecting tank (23) is fixedly mounted on the outer wall of the cleaning tank (10).

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