Coal briquette crushing device for coal washing

Abstract

The utility model relates to the field of coal briquette crushing, in particular to a coal briquette crushing device for coal washing, which comprises a feeding pipe, a crushing roller and a filter screen, the feeding pipe is arranged at the upper end of a device shell, the crushing roller is arranged in the device shell, the filter screen is obliquely arranged below the crushing roller, and connecting blocks are arranged on two sides of the filter screen. A recycling box is arranged on the left side of the device shell, a rotating shaft is arranged below the filter screen, smashing blades are arranged at the upper end and the lower end of the rotating shaft, and a movable sleeve is fixedly connected with the inner wall of the device shell. The multi-stage crushing device has the beneficial effects that coal briquettes can be subjected to multi-stage crushing, so that the crushing effect of materials is improved, and the coal quality requirements for different purposes are met; coal briquettes with different sizes can be screened, coal products with different granularities are separated, and the utilization rate of resources is increased; and chippings and dust generated during crushing of coal briquettes can be recycled, so that environmental pollution is reduced, and the ecological environment is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of coal block crushing, in particular to a coal block crushing device for coal washing. Background Art

[0002] Coal is mainly composed of carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorus. The total of carbon, hydrogen and oxygen accounts for more than 95% of organic matter. It is a very important energy source and an important raw material for metallurgy and chemical industry. It is classified into lignite, bituminous coal, anthracite and semi-anthracite. In the process of coal processing, the washed coal blocks need to be broken, and the larger coal blocks need to be broken to meet the needs of use.

[0003] In the related art, the existing coal block crushing device has low crushing efficiency and unstable coal block crushing effect during the coal block crushing process, and the device is not equipped with a dust suppression device, which causes dust to escape with the air and pollute the working environment. For this reason, we propose a coal block crushing device for coal washing.

[0004] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a coal block crushing device for coal washing, so as to solve the problem that the existing coal block crushing device proposed in the above background technology has low crushing efficiency and unstable crushing effect on the coal blocks during the crushing process of the coal blocks, and the device is not equipped with a dust suppression device, which leads to dust dissipation with the air and polluting the working environment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A coal block crushing device for coal washing comprises a device shell, a feed pipe, a crushing roller and a filter screen, wherein the feed pipe is connected to the central position of the upper end of the device shell, the lower end of the feed pipe is connected to the inside of the device shell, two groups of crushing rollers are symmetrically rotated at the upper end of the inner part of the device shell, the crushing rollers are connected to the output end of the driving motor at the rear end of the device shell, a filter screen is obliquely installed below the crushing rollers in the device shell, the left and right sides of the filter screen are respectively connected and fixedly provided with connecting blocks, and the lower ends of the two groups of the connecting blocks are respectively fixedly connected with vibration motors, The lower end of the vibration motor is fixedly installed in the vibration groove of the device shell, and a baffle is fixedly installed on the upper end of the right connecting block, and the baffle is fitted with the right inner wall of the device shell. A recovery box is installed at the corresponding position of the filter on the left side of the device shell, and the right side of the recovery box is connected to the inside of the device shell. Two groups of rotating shafts are installed inside the device shell below the filter, and multiple groups of crushing blades are installed at intervals at the upper and lower ends of the rotating shafts. The left side of the rotating shaft is rotatably set in a movable sleeve, and the movable sleeve is fixedly connected to the inner wall of the device shell.

[0008] In some embodiments, the right side of the rotating shaft passes through the wall of the device housing and is connected to the left output end of the crushing motor. An installation box is installed on the outside of the crushing motor. The installation box is connected and fixed to the device housing. A material guide plate is symmetrically and inclinedly arranged at the lower end of the inner part of the device housing.

[0009] In some embodiments, a discharge pipe is provided at the central position of the lower end of the device housing, a sealing valve is installed on the discharge pipe, a support column is symmetrically fixedly installed at the lower end of the device housing, a first observation window is installed on the left side of the front end of the device housing, and a controller is installed on the right side of the first observation window at the front end of the device housing.

[0010] In some embodiments, a coal powder collection box is installed at intervals on the right side of the device housing, an air intake pipe is connected to the upper end of the coal powder collection box, the upper end of the air intake pipe is connected to the inner upper end of the device housing, and an air intake filter is installed at the contact position between the air intake pipe and the device housing.

[0011] In some embodiments, a fan is installed on the air inlet pipe, and the fan is connected and fixed to the device housing through a bracket. A coal powder discharge port is opened at the front end of the coal powder collection box.

[0012] In some embodiments, a second observation window is installed at the front end of the recovery box, and a coal block discharge port is installed at the front end of the recovery box below the second observation window.

[0013] The beneficial effects of the utility model are:

[0014] The coal blocks can be crushed in multiple stages to improve the crushing effect of the materials and meet the coal quality requirements for different purposes; the coal block sizes can be screened to separate coal products of different particle sizes and improve resource utilization; the debris and dust generated during the coal block crushing can be recycled to reduce environmental pollution and protect the ecological environment; the incompletely crushed coal blocks can be recycled and transported to the inside of the device for crushing again to improve the coal recovery rate and reduce costs; the coal block crushing process can be monitored and adjusted through the observation window and controller to ensure the quality and efficiency of the coal block crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a coal block crushing device for coal washing proposed by the utility model;

[0016] Figure 2 This is a front view of a coal block crushing device for coal washing proposed by the utility model;

[0017] Figure 3 This is an enlarged view of point A of a coal block crushing device for coal washing proposed by the utility model.

[0018] In the figure: 1 is the device shell, 2 is the feed pipe, 3 is the crushing roller, 4 is the recovery box, 5 is the filter screen, 6 is the movable sleeve, 7 is the rotating shaft, 8 is the crushing blade, 9 is the guide plate, 10 is the discharge pipe, 11 is the sealing valve, 12 is the support column, 13 is the crushing motor, 14 is the installation box, 15 is the coal powder collection box, 16 is the air intake filter screen, 17 is the air intake pipe, 18 is the fan, 19 is the bracket, 20 is the first observation window, 21 is the controller, 22 is the second observation window, 23 is the coal block discharge port, 24 is the coal powder discharge port, 25 is the vibration trough, 26 is the baffle, 27 is the vibration motor, and 28 is the connecting block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] It should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Reference Figure 1 , 2 3. A coal block crushing device for coal washing, comprising a device shell 1, a feed pipe 2, a crushing roller 3 and a filter screen 5. The feed pipe 2 is connected to the central position of the upper end of the device shell 1, and the lower end of the feed pipe 2 is connected to the inside of the device shell 1. Two groups of crushing rollers 3 are symmetrically rotated at the upper end of the inner part of the device shell 1. The crushing rollers 3 are connected to the output end of the driving motor at the rear end of the device shell 1. The filter screen 5 is obliquely installed below the crushing rollers 3 in the device shell 1. The left and right sides of the filter screen 5 are respectively connected and fixed with connecting blocks 28. The lower ends of the two groups of the connecting blocks 28 are respectively fixedly connected with vibration motors 27. The lower end of the vibration motor 27 is fixedly installed in the vibration groove 25 of the device shell 1. The right side of the filter screen 5 is provided with a plurality of crushing rollers 3. A baffle 26 is fixedly installed on the upper end of the connecting block 28, and the baffle 26 is fitted to the right inner wall of the device housing 1. A recovery box 4 is installed on the left side of the device housing 1 at the corresponding position of the filter screen 5. The right side of the recovery box 4 is connected to the interior of the device housing 1. Two groups of rotating shafts 7 are installed inside the device housing 1 below the filter screen 5. Multiple groups of crushing blades 8 are installed at intervals at the upper and lower ends of the rotating shafts 7. The left side of the rotating shaft 7 is rotatably set in a movable sleeve 6, and the movable sleeve 6 is fixedly connected to the inner wall of the device housing 1. The coal blocks are preliminarily crushed by the crushing roller 3, the size of the coal blocks is screened by the filter screen 5, and the coal blocks are further crushed by the crushing blades 8 below to ensure the crushing effect of the material.

[0023] When the embodiments of the present utility model are implemented, Figure 1 , 2 As shown, the right side of the rotating shaft 7 passes through the wall of the device casing 1 and is connected to the left output end of the crushing motor 12. A mounting box 14 is installed on the outer side of the crushing motor 12. The mounting box 14 is connected and fixed to the device casing 1. A material guide plate 9 is symmetrically and obliquely arranged at the lower end of the inner part of the device casing 1. The material guide plate 9 can conduct the coal blocks to facilitate the discharge of the coal blocks from the discharge pipe 10.

[0024] When the embodiments of the present utility model are implemented, Figure 1 , 2As shown, a discharge pipe 10 is provided at the central position of the lower end of the device casing 1, and a sealing valve 11 is installed on the discharge pipe 10. A support column 12 is symmetrically fixedly installed at the lower end of the device casing 1. A first observation window 20 is installed on the left side of the front end of the device casing 1, and a controller 21 is installed on the right side of the first observation window 20 at the front end of the device casing 1. A coal powder collecting box 15 is installed at intervals on the right side of the device casing 1, and an air intake pipe 17 is provided at the upper end of the coal powder collecting box 15. The upper end of the air intake pipe 17 is connected to the inner upper end of the device casing 1, and an air intake filter 16 is installed at the contact position between the air intake pipe 17 and the device casing 1. The fan 18, the air intake pipe 17 and the coal powder collecting box 15 can recycle the debris and dust generated when the coal blocks are crushed to avoid dust diffusion and environmental pollution.

[0025] When the embodiments of the present utility model are implemented, Figure 1 , 2 As shown, a fan 18 is installed on the air inlet pipe 17, and the fan 18 is fixedly connected to the device housing 1 through a bracket 19. A coal powder discharge port 24 is provided at the front end of the coal powder collecting box 15, and a second observation window 22 is installed at the front end of the recovery box 4. A coal block discharge port 23 is installed at the front end of the recovery box 4 below the second observation window 22. With the coal block discharge port 23, incompletely crushed coal blocks enter the recovery box 4 and are transported to the inside of the device housing 1 again through the coal block discharge port 23 for crushing, thereby improving the crushing effect of the coal blocks.

[0026] In this embodiment, first, the raw coal enters the device housing 1 through the feed pipe 2 and is symmetrically rotated by two groups of crushing rollers 3 to be crushed into smaller particles; then, the crushed coal blocks are screened by the inclined filter screen 5, and the left and right sides of the filter screen 5 are connected with a vibration motor 27 to make the filter screen 5 vibrate and accelerate the separation of the coal blocks; then, the larger coal blocks above the filter screen 5 enter the recovery box 4, and the front end of the recovery box 4 is provided with a second observation window 22 and a coal block discharge port 23, so that the condition of the coal blocks can be observed and the coal blocks can be transported to the device again for crushing; then, the filter screen 5 is lowered and the coal blocks are discharged from the filter screen 5. The square coal blocks enter the crushing area of ​​the two sets of rotating shafts 7. Multiple sets of crushing blades 8 are installed on the rotating shafts 7 to further crush the coal blocks and improve the crushing effect of the materials; finally, the crushed coal blocks are guided by the guide plate 9 and discharged from the discharge pipe 10. The discharge pipe 10 is equipped with a sealing valve 11 to control the discharge amount of the coal blocks. At the same time, the fan 18, the air inlet pipe 17 and the coal powder collection box 15 recycle the debris and dust generated during the crushing of the coal blocks to reduce environmental pollution. There is also a first observation window 20 and a controller 21 at the front end of the device housing 1 to monitor and adjust the coal block crushing process.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coal block crushing device for coal washing, comprising a device housing (1), a feed pipe (2), a crushing roller (3) and a filter screen (5), characterized in that: A feed pipe (2) is provided at the central position of the upper end of the device housing (1), and the lower end of the feed pipe (2) is provided in communication with the interior of the device housing (1). Two groups of crushing rollers (3) are provided at the upper end of the interior of the device housing (1) so as to rotate symmetrically. The crushing rollers (3) are connected to the output end of the driving motor at the rear end of the device housing (1). A filter screen (5) is provided at an angle below the crushing rollers (3) inside the device housing (1). Connecting blocks (28) are respectively connected and fixedly provided on the left and right sides of the filter screen (5). The lower ends of the two groups of connecting blocks (28) are respectively fixedly connected and provided with vibration motors (27). The lower ends of the vibration motors (27) are fixedly installed on the device housing (1). In the vibration groove (25), a baffle (26) is fixedly installed on the upper end of the right side connection block (28), and the baffle (26) is arranged in contact with the right inner wall of the device housing (1). A recovery box (4) is installed on the left side of the device housing (1) at a corresponding position of the filter screen (5), and the right side of the recovery box (4) is connected to the inside of the device housing (1). Two groups of rotating shafts (7) are installed inside the device housing (1) below the filter screen (5), and multiple groups of crushing blades (8) are installed at intervals at the upper and lower ends of the rotating shaft (7). The left side of the rotating shaft (7) is rotatably arranged in a movable sleeve (6), and the movable sleeve (6) is fixedly connected to the inner wall of the device housing (1).

2. A coal block crushing device for coal washing according to claim 1, characterized in that: The right side of the rotating shaft (7) penetrates the wall surface of the device housing (1) and is connected to the left output end of the grinding motor (13); a mounting box (14) is installed on the outer side of the grinding motor (13); the mounting box (14) is connected and fixed to the device housing (1); and a material guide plate (9) is symmetrically and obliquely arranged at the lower end of the inner part of the device housing (1).

3. The coal block crushing device for coal washing according to claim 1, characterized in that: A discharge pipe (10) is provided at the central position of the lower end of the device housing (1), a sealing valve (11) is installed on the discharge pipe (10), a support column (12) is symmetrically fixedly installed at the lower end of the device housing (1), a first observation window (20) is installed on the left side of the front end of the device housing (1), and a controller (21) is installed on the right side of the first observation window (20) at the front end of the device housing (1).

4. The coal block crushing device for coal washing according to claim 1, characterized in that: A coal powder collection box (15) is installed at intervals on the right side of the device housing (1); an air intake pipe (17) is provided at the upper end of the coal powder collection box (15); the upper end of the air intake pipe (17) is connected to the inner upper end of the device housing (1); and an air intake filter (16) is installed at the contact position between the air intake pipe (17) and the device housing (1).

5. A coal block crushing device for coal washing according to claim 4, characterized in that: A fan (18) is installed on the air inlet pipe (17), and the fan (18) is connected and fixed to the device housing (1) through a bracket (19). A coal powder discharge port (24) is provided at the front end of the coal powder collection box (15).

6. The coal block crushing device for coal washing according to claim 1, characterized in that: A second observation window (22) is installed at the front end of the recovery box (4), and a coal block discharge port (23) is installed at the front end of the recovery box (4) below the second observation window (22).

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