Coal screening and processing device

Abstract

The utility model discloses a coal screening processing device in the technical field of coal production, which comprises a screening box body, a first filter layer is arranged in the screening box body, a first filter screen is arranged in the first filter layer, and the first filter screen is fixedly connected with the first filter layer. A first connecting plate is arranged on one side of the first filtering layer, the first connecting plate and the first filtering layer are fixedly connected, a first hydraulic telescopic rod is arranged on one side of the first connecting plate, a first compression spring is arranged on the surface of the first hydraulic telescopic rod, and a first limiting sliding rail is arranged in the screening box body; according to the coal screening and processing device, the first filtering layer, the second filtering layer, the first filtering screen, the second filtering screen, the feeding port, the first discharging port, the second discharging port and the third discharging port are arranged, so that the functions of screening, filtering and discharging coal by the coal screening and processing device are achieved, and the efficiency of screening coal for multiple times by the coal screening and processing device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal production, and in particular relates to a coal screening and processing device. Background Art

[0002] The process of separating bulk materials into different particle sizes through one or more layers of screens is called screening. Screening machines use the relative movement between bulk materials and the screen surface to allow some particles to pass through the screen holes, and separate materials such as sand, gravel, and crushed stone into different grades according to particle size. The screening process of a screening machine is generally continuous. After the screened raw materials are fed to the screening machine (referred to as the sieve), materials smaller than the size of the screen holes pass through the screen holes, which are called undersize products; materials larger than the size of the screen holes are continuously discharged from the screen surface, which are called oversize products.

[0003] The existing coal screening and processing devices still have some defects. Most of the coal screening and processing devices are unable to perform multiple screening during use, and their large size easily causes blockage. For this reason, we propose a coal screening and processing device. Utility Model Content

[0004] The utility model aims to provide a coal screening and processing device to solve the problem of being unable to perform multiple screenings in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a coal screening and processing device, comprising a screening box body, a first filter layer is provided inside the screening box body, a first filter screen is provided inside the first filter layer, the first filter screen and the first filter layer are fixedly connected, a first connecting plate is provided on one side of the first filter layer, the first connecting plate and the first filter layer are fixedly connected, a first hydraulic telescopic rod is provided on one side of the first connecting plate, the first hydraulic telescopic rod and the first connecting plate are fixedly connected, a first compression spring is provided on the surface of the first hydraulic telescopic rod, a first limit slide rail is provided inside the screening box body, the first limit slide rail and the screening box body are fixedly connected, the first limit slide rail and the first filter layer are slidably connected, and a second filter layer is provided inside the screening box body.

[0006] Preferably, a second filter screen is provided inside the second filter layer, and a second connecting plate is provided on one side of the second filter layer.

[0007] Preferably, a second hydraulic telescopic rod is provided on one side of the second connecting plate, and a second compression spring is provided on the surface of the second hydraulic telescopic rod.

[0008] Preferably, a second limiting slide rail is provided inside the screening box body, and a feed port is provided on the top of the screening box body.

[0009] Preferably, a third discharge port is provided at the bottom of the screening box body, and a second discharge port is provided at one side of the screening box body.

[0010] Preferably, a second material guide plate is provided on one side of the second material outlet, and a first material outlet is provided on one side of the screening box body.

[0011] Preferably, a first material guide plate is provided on one side of the first material outlet, and supporting legs are provided on the bottom of the screening box body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By providing a first filter layer, a second filter layer, a first filter screen, a second filter screen, two inlets, a first discharge port, a second discharge port, and a third discharge port, the coal screening and processing device realizes the functions of coal screening, filtering and discharging, and improves the efficiency of the coal screening and processing device for multiple screening of coal.

[0014] 2. By providing a first connecting plate, a second connecting plate, a first hydraulic telescopic rod, a second hydraulic telescopic rod, a first compression spring and a second compression spring, the function of the coal screening processing device for vibrating and screening the filter layer is realized, thereby improving the screening efficiency of the coal screening processing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the coal screening and processing device of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the first discharge port of the coal screening and processing device of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the coal screening and processing device of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the first filter layer of the coal screening and processing device of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the second filter layer of the coal screening and processing device of the utility model.

[0020] In the figure: 1. screening box body; 2. first filter layer; 3. first filter screen; 4. first connecting plate; 5. first hydraulic telescopic rod; 6. first compression spring; 7. first limit slide rail; 8. second filter layer; 9. second filter screen; 10. second connecting plate; 11. second hydraulic telescopic rod; 12. second compression spring; 13. second limit slide rail; 14. feed port; 15. third discharge port; 16. second discharge port; 17. second guide plate; 18. first discharge port; 19. first guide plate; 20. supporting legs. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: a coal screening and processing device, including a screening box body 1, a first filter layer 2 is arranged inside the screening box body 1, a first filter screen 3 is arranged inside the first filter layer 2, the first filter screen 3 and the first filter layer 2 are fixedly connected, a first connecting plate 4 is arranged on one side of the first filter layer 2, the first connecting plate 4 and the first filter layer 2 are fixedly connected, a first hydraulic telescopic rod 5 is arranged on one side of the first connecting plate 4, the first hydraulic telescopic rod 5 and the first connecting plate 4 are fixedly connected, a first compression spring 6 is arranged on the surface of the first hydraulic telescopic rod 5, a first limiting slide rail 7 is arranged inside the screening box body 1, the first limiting slide rail 7 and the screening box body 1 are fixedly connected, the first limiting slide rail 7 and the first filter layer 2 are slidably connected, and a second filter layer 8 is arranged inside the screening box body 1.

[0023] Specifically, a second filter screen 9 is provided inside the second filter layer 8, a second connecting plate 10 is provided on one side of the second filter layer 8, a second hydraulic telescopic rod 11 is provided on one side of the second connecting plate 10, a second compression spring 12 is provided on the surface of the second hydraulic telescopic rod 11, a second limiting slide rail 13 is provided inside the screening box body 1, a feed port 14 is provided at the top of the screening box body 1, a third discharge port 15 is provided at the bottom of the screening box body 1, a second discharge port 16 is provided on one side of the screening box body 1, a second guide plate 17 is provided on one side of the second discharge port 16, a first discharge port 18 is provided on one side of the screening box body 1, a first guide plate 19 is provided on one side of the first discharge port 18, and a support leg 20 is provided at the bottom of the screening box body 1.

[0024] In this embodiment, during use, coal is put in from the feed port 14, and the put-in coal enters the top of the first filter layer 2. The coal generates pressure by falling and exerts pressure on the first filter layer 2. The first filter layer 2 feels the downward pressure, and the first hydraulic telescopic rod 5 and the first compression spring 6 at the bottom of the first connecting plate 4 are pressurized, so that the first compression spring 6 is compressed and rebounds, and the first hydraulic telescopic rod 5 and the first compression spring 6 at the top of the first connecting plate 4 are exerted with rebound force, so that the first filter layer 2 vibrates back and forth. When the first filter layer 2 vibrates, the other end moves on the surface of the first limiting slide rail 7, and the first filter layer 2 vibrates to filter the fine coal to the bottom, and the larger coal is discharged from the inclined first discharge port 18 and the first guide plate 19. When the fine coal enters the top of the second filter layer 8, like the first filter layer 2, the second filter layer 8 is subjected to pressure and vibrates to filter the coal and coal slag. The coal slag enters the bottom of the second filter layer 8 and is discharged from the third discharge port 15. The fine coal passes through the inclined second filter layer 8 and is discharged from the second discharge port 16 and the second guide plate 17.

[0025] 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 screening and processing device, comprising a screening box body (1), characterized in that: The screening box body (1) is provided with a first filter layer (2) inside, a first filter screen (3) inside the first filter layer (2), the first filter screen (3) and the first filter layer (2) are fixedly connected, a first connecting plate (4) is provided on one side of the first filter layer (2), the first connecting plate (4) and the first filter layer (2) are fixedly connected, a first hydraulic telescopic rod (5) is provided on one side of the first connecting plate (4), the first hydraulic telescopic rod (5) and the first connecting plate (4) are fixedly connected, a first compression spring (6) is provided on the surface of the first hydraulic telescopic rod (5), a first limiting slide rail (7) is provided inside the screening box body (1), the first limiting slide rail (7) and the screening box body (1) are fixedly connected, the first limiting slide rail (7) and the first filter layer (2) are slidably connected, and a second filter layer (8) is provided inside the screening box body (1).

2. A coal screening and processing device according to claim 1, characterized in that: A second filter screen (9) is provided inside the second filter layer (8), and a second connecting plate (10) is provided on one side of the second filter layer (8).

3. A coal screening and processing device according to claim 2, characterized in that: A second hydraulic telescopic rod (11) is provided on one side of the second connecting plate (10), and a second compression spring (12) is provided on the surface of the second hydraulic telescopic rod (11).

4. A coal screening and processing device according to claim 1, characterized in that: A second limiting slide rail (13) is provided inside the screening box body (1), and a feed port (14) is provided on the top of the screening box body (1).

5. A coal screening and processing device according to claim 1, characterized in that: The bottom of the screening box body (1) is provided with a third discharge port (15), and one side of the screening box body (1) is provided with a second discharge port (16).

6. A coal screening and processing device according to claim 5, characterized in that: A second material guide plate (17) is provided on one side of the second material discharge port (16), and a first material discharge port (18) is provided on one side of the screening box body (1).

7. A coal screening and processing device according to claim 6, characterized in that: A first material guide plate (19) is provided on one side of the first material outlet (18), and a supporting leg (20) is provided at the bottom of the screening box body (1).

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