Coal gangue chute
By introducing a buffer shell and a removable liner structure into the coal gangue chute, the problems of severe wear and complex maintenance were solved, and the durability and safety of the equipment were improved.
Patent Information
- Application Number
- CN202520142143.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing coal gangue chutes suffer from severe wear and high maintenance complexity, posing safety hazards.
A coal gangue chute including a buffer shell and a removable liner was designed. The buffer shell is equipped with a buffer cavity that is narrow at the top and wide at the bottom. The main pipeline is connected to the buffer cavity, and the branch pipelines are arranged at an angle. A mesh buffer plate and a removable U-shaped liner are installed in the buffer cavity to reduce impact.
The design of the buffer structure and removable liner reduces equipment wear, simplifies the maintenance process, extends equipment lifespan, and reduces safety hazards.
Smart Images
Figure CN223878944U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coal mine coal washing, in particular to a coal gangue chute. BACKGROUND
[0002] Coal gangue is a solid waste discharged in the process of coal mining and washing, and is a kind of rock harder than coal and lower in carbon content, which needs to be screened out for secondary utilization, such as power generation by blending with low-quality coal, brick making or cement production, recovery of useful mineral components, backfilling, and underground filling, etc. Among them, the coal gangue chute is a commonly used equipment in the process of coal washing. The existing coal gangue chute is mainly composed of a pipeline. Due to long-term use, the wear and tear is serious, and the machine repair personnel have to carry out multi-layer welding reinforcement at the damaged parts of the chute, which not only greatly increases the complexity of maintenance work, but also increases the labor intensity of the machine repair personnel, and there is a certain safety hazard.
[0003] Therefore, it is necessary to improve the prior art. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a coal gangue chute, and aims at solving at least one of the technical problems of the prior art. To achieve the above purpose, the technical solution adopted is as follows:
[0005] A coal gangue chute comprises a buffer shell, a buffer cavity with a narrow top and a wide bottom is formed inside the buffer shell, a main pipeline is connected to the top of the buffer shell, the main pipeline is communicated with the buffer cavity, branch pipelines are respectively connected to the left and right sides of the bottom of the buffer shell, the two branch pipelines are communicated with the buffer cavity, and a mesh buffer plate is fixedly arranged between the upper ends of the two branch pipelines in the buffer cavity.
[0006] Preferably, the main pipeline is a square tube, the inner wall of one side plate of the square tube bears the impact of coal gangue, the inner walls of the two side plates adjacent to the side plate are symmetrically provided with insertion grooves, the insertion grooves are arranged along the length direction of the main pipeline, and inner lining plates are detachably inserted into the two insertion grooves.
[0007] Preferably, an observation window is arranged on the other side plate opposite to the side plate bearing the impact of coal gangue.
[0008] Preferably, the two branch pipelines are arranged in an inclined manner and form a herringbone shape with the main pipeline.
[0009] Preferably, the two branch pipelines are the same in structure and each comprise a groove type pipeline body, a plurality of U-shaped lining plates are detachably laid in the groove type pipeline body, and an openable cover plate is arranged at the groove of the groove type pipeline body.
[0010] Preferably, the mesh buffer plate is 5-15 cm away from the bottom wall of the buffer shell.
[0011] Compared with the prior art, the coal gangue chute has the beneficial effects that:
[0012] The coal gangue chute has the beneficial effects that: the buffering structure is arranged to reduce impact, in addition, the detachable lining plate is arranged, maintenance is facilitated, and the service life of the chute is greatly improved through cooperation of the two. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings described in the following only constitute some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.
[0014] Fig. 1 is a schematic view of the overall structure of the present application.
[0015] Fig. 2 is a schematic view of the U-shaped lining plate structure of the present application.
[0016] Fig. 3 is a schematic view of the buffering shell structure of the present application.
[0017] In the figure: 1, buffering shell; 2, main pipeline; 3, inner lining plate; 4, branch pipeline; 5, U-shaped lining plate; 6, mesh buffering plate. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application.
[0019] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" should be understood in a broad sense, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0020] As Figs. 1 to 3 shown, the preferred embodiment of the present application provides a coal gangue chute, which comprises a buffering shell 1, the buffering shell 1 is made of thickened stainless steel, and a buffering cavity with a narrow upper part and a wide lower part is arranged inside the buffering shell 1.
[0021] The top of the buffer shell 1 is connected with a main pipe 2, the main pipe 2 is communicated with the buffer cavity, the main pipe 2 is a square pipe and is made of stainless steel. Generally, the coal gangue enters the top of the main pipe 2 in a parabolic shape, generally only one side plate inner wall of the main pipe 2 bears the impact of the coal gangue, two side plates inner walls adjacent to the side plate are symmetrically provided with insertion slots (not shown in the figure), and the insertion slots are arranged along the length direction of the main pipe 2, and two insertion slots are detachably inserted with inner lining plates 3, the inner lining plates 3 are parallel to the side plate and have a certain interval. The purpose of arranging the inner lining plate 3 is to protect the side plate and prevent the side plate from being damaged by the coal gangue, in addition, if the inner lining plate is damaged, the damaged inner lining plate can be pulled out from the top of the main pipe 2 for replacement.
[0022] Further, the other side plate opposite to the side plate bearing the impact of the coal gangue is provided with an observation window, so that the worker can observe the damage of the inner lining plate.
[0023] The bottom of the buffer shell 1 is connected with branch pipes 4 on the left and right sides, the two branch pipes 4 are communicated with the buffer cavity, and the two branch pipes 4 are arranged in an inclined manner and form a herringbone shape with the main pipe 2.
[0024] The two branch pipes 4 are the same in structure and each include a groove type pipe body made of stainless steel, and a plurality of U-shaped lining plates 5 are detachably laid in the groove type pipe body, and specifically, the U-shaped lining plates 5 are connected with the bottom plate of the groove type pipe body through bolts. The groove of the groove type pipe body is provided with an openable cover plate, so that the worker can replace the damaged U-shaped lining plate 5.
[0025] The net-shaped buffer plate 6 is fixedly arranged between the upper ports of the two branch pipes in the buffer cavity and is fixedly connected with the bottom wall of the buffer shell 1 through a stand column, and the distance between the net-shaped buffer plate 6 and the bottom wall of the buffer shell 1 is 5-15 cm. The coal gangue entering the main pipe 2 will fall on the net-shaped buffer plate 6, and then the falling coal gangue will hit the previous coal gangue and be stacked, so as to reduce the impact on the net-shaped buffer plate 6 and the buffer shell 1, and when the coal gangue is stacked to a certain height, the coal gangue will slide from the two branch pipes 4.
[0026] In summary, the coal gangue chute provided by the embodiment of the utility model reduces the impact by arranging the buffer structure, in addition, the detachable lining plate is arranged, so that the maintenance is facilitated, and the service life of the chute is greatly improved by the cooperation of the two.
[0027] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been explained in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. A coal gangue chute, characterized in that, The buffer shell is internally provided with a buffer cavity with a narrow top and a wide bottom, a main pipeline is connected to the top of the buffer shell and communicates with the buffer cavity, two branch pipelines are respectively connected to the left and right sides of the bottom of the buffer shell and both communicate with the buffer cavity, and a net-shaped buffer plate is fixedly arranged in the buffer cavity between the upper ends of the two branch pipelines.
2. The coal gangue chute according to claim 1, characterized in that, The main pipeline is a square pipeline, the inner wall of one side plate of the square pipeline bears the impact of coal gangue, two side plates adjacent to the side plate bear the impact of coal gangue, and the inner walls of the two side plates are symmetrically provided with insertion grooves arranged along the length direction of the main pipeline, and two inner lining plates are detachably inserted into the two insertion grooves.
3. The coal gangue chute according to claim 2, characterized in that, An observation window is arranged on the other side plate opposite to the side plate bearing the impact of coal gangue.
4. The coal gangue chute according to claim 1, characterized in that, The two branch pipelines are both arranged in an inclined manner and form a herringbone shape with the main pipeline.
5. The coal gangue chute according to claim 1, characterized in that, The two branch pipelines are the same in structure and each include a groove-shaped pipeline body, a plurality of U-shaped lining plates are detachably laid in the groove-shaped pipeline body, and an openable cover plate is arranged at the groove of the groove-shaped pipeline body.
6. The coal gangue chute according to claim 1, characterized in that, The net-shaped buffer plate is 5-15 cm away from the bottom wall of the buffer shell.