Coal mining washing equipment

Abstract

The utility model relates to coal mining washing equipment, which belongs to the technical field of coal washing and comprises a support and a washing box, a sorting device is slidably mounted in the washing box, and a driving device for driving the sorting device to move up and down is mounted on the support. The sorting device comprises a screening net in sliding connection with the interior of the washing and selecting box and baffles on the two sides of the screening net, multiple sets of linkage shafts are installed on the back faces of the two baffles, the linkage shafts penetrate through the washing and selecting box, connecting blocks are installed on the outer sides of the linkage shafts, and supporting columns are installed on the support. A first adjusting spring is installed between the supporting column and the connecting block, the driving device drives the sorting device to sort, sand washing can be rapidly conducted on mined coal mines, the coal mines can be screened, the washing efficiency is improved, blocking cannot be generated, waste of water resources cannot be caused, time is saved, and the working efficiency is improved. And coal mine accumulation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal washing technology field, specifically point to a kind of coal mining washing equipment. BACKGROUND

[0002] Coal is the most important energy in our country, in the total amount of proven fossil energy resources, coal accounts for 94.3%, oil and natural gas only accounts for 5.7%.China is also a coal production and consumption big country, in primary energy consumption structure, coal accounts for about 60%.However, a large number of raw coal direct combustion causes coal smoke type mainly atmospheric pollution, seriously restricts the sustained and healthy development of China's national economy.In order to reduce environmental pollution, improve the conversion combustion rate of coal, the state and user's requirement of coal quality and variety is increasingly strict, so that clean coal technology around clean coal processing and utilization forms the vigorous development situation.

[0003] Coal washing is the source and basis of clean coal technology, and is the most mature and economic means at present.China patent document (application number 2018111804029) discloses a coal washing device, which comprises a feeding mixing box, a sorting space, a pulsating lifting mechanism, a first discharging mechanism and a second discharging mechanism; wherein it further comprises a double-row wheel unloading device for reducing bed interference.The pulsating lifting mechanism uses electromagnetic inductive principle to provide pulsating lifting power and form pulsating water flow, so that the minerals are dispersed and sorted according to density.The patent has the advantages of fine controllable operation, small mechanical loss, wide application range, less bed interference, high sorting precision and the like.However, it uses double-row wheel unloading to separate the lowermost product, and the water flow flows downward, which is easy to mix the upper sorting materials, affecting the sorting effect. UTILITY MODEL CONTENTS

[0004] The utility model solves the above technical problem, and provides a coal mining washing equipment.

[0005] To solve the above technical problem, the technical scheme provided by the utility model is as follows:

[0006] A coal mining washing equipment, comprising a support and a washing box, a sorting device is slidably installed in the washing box, a driving device for driving the sorting device to move up and down is installed on the support;

[0007] The sorting device comprises a screening net slidably connected in the washing box and baffles on both sides of the screening net, a plurality of linkage shafts are installed on the opposite surfaces of the two baffles and penetrate the washing box, a connecting block is installed on the outside of the linkage shaft, a support column is installed on the support, and a first adjusting spring is installed between the support column and the connecting block;

[0008] A water outlet is formed in the lower end of the washing box.

[0009] The upper end of the washing and screening box is provided with a coal inlet.

[0010] Preferably, a first moving hole is arranged on the washing and screening box and matched with the moving of the connecting shaft.

[0011] Preferably, a screening partition plate is arranged between the two baffles.

[0012] Preferably, the driving device comprises a motor limiting plate connected with the support and a driving motor, the lower end of the driving motor is provided with a mounting plate, the mounting plate and the motor limiting plate are hinged, the rotating end of the driving motor is provided with a driving pulley, one side of the baffle is provided with a connecting shaft penetrating through the washing and screening box, the outer side of the washing and screening box is provided with a driven pulley, a counterweight and a protective cover, and the driving pulley and the driven pulley are connected through a belt.

[0013] Preferably, a second moving hole is arranged on the washing and screening box and matched with the moving of the connecting shaft.

[0014] Preferably, a guide rod is slidingly arranged on the motor limiting plate, the outer side of the guide rod is provided with a limiting disc, and a second adjusting spring is movably arranged on the outer side of the guide rod between the limiting disc and the motor limiting plate.

[0015] Preferably, a sliding hole matched with the use of the guide rod is arranged on the motor limiting plate.

[0016] Preferably, the guide rod is of T-shaped structure, and a third moving hole matched with the movement of the guide rod is arranged on the mounting plate.

[0017] After the above structure is adopted, the washing and screening device has the following advantages:

[0018] The driving device drives the sorting device to sort, can quickly wash and screen the mined coal, improves the washing and screening efficiency, will not cause blockage, will not cause waste of water resources, saves time, and will not cause coal accumulation.

[0019] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described exemplary aspects, embodiments and features, further aspects, embodiments and features of the present application will be apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0021] Figure 1 is a structural schematic view of the utility model;

[0022] Figure 2 is an installation schematic view of the sorting device of the utility model;

[0023] Figure 3 is a structural schematic view of the connecting shaft of the utility model;

[0024] Figure 4 is an enlarged schematic view of the utility model Figure 1 .

[0025] As shown in the figure: 1, support; 2, washing and selecting box; 3, sorting device; 301, screening net; 302, baffle; 303, connecting shaft; 304, connecting block; 305, first adjusting spring; 4, driving device; 401, driving motor; 402, mounting plate; 403, driving pulley; 404, connecting shaft; 405, driven pulley; 406, counterweight; 407, protective cover; 408, guide rod; 409, limit disc; 410, second adjusting spring; 411, motor limit plate; 5, water outlet; 6, coal inlet; 7, screening partition plate; 8, support column; 9, second moving hole; 10, sliding hole; 11, third moving hole; 12, first moving hole. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as limiting the present application.

[0027] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The utility model is further described in detail below.

[0029] The utility model is further described in detail below. Figures 1-4The utility model provides a coal mining and washing equipment, including support 1 and washing and selecting box 2, and the sorting device 3 is slidably installed in washing and selecting box 2, and the driving device 4 that drives sorting device 3 moves up and down is installed on support 1, and the lower end of washing and selecting box 2 is provided with water outlet 5, and the upper end of washing and selecting box 2 is provided with coal inlet 6, specifically, coal enters from coal inlet 6, is washed by water and then is sorted in sorting device 3, and sewage is discharged from water outlet 5, and a plurality of water inlet pipes are provided at the upper end of washing and selecting box 2 and are used for connecting external water source.

[0030] The utility model discloses in the specific implementation, as shown in Figure 1 And Figure 2 The sorting device 3 includes the sieve screen 301 slidably connected in the washing and selecting box 2 and the baffle 302 on both sides of the sieve screen 301, a plurality of linkage shafts 303 are installed on the opposite surfaces of the two baffles 302 and penetrate the washing and selecting box 2, a connecting block 304 is installed on the outer side of the linkage shaft 303, a support column 8 is installed on the support 1, a first adjusting spring 305 is installed between the support column 8 and the connecting block 304, a first moving hole 12 that cooperates with the movement of the linkage shaft 303 is provided on the washing and selecting box 2, a sieve partition plate 7 is installed between the two baffles 302, and specifically, the sieve screen 301 is arranged obliquely, moves up and down under the guidance of the first moving hole 12 when being driven by the driving device 4, and the first adjusting spring 305 is adjusted, the coal mine is vibrated and sieved on the sieve screen 301, the water flows to the lower place, the coal mine vibrates up and down, and the upper sorted material is not easily mixed, the sorting effect is improved, then the sewage is discharged from the water outlet 5, and the sieved coal is vibrated out from one side of the washing and selecting box 2, an outlet is provided at one side of the washing and selecting box 2, and a storage vehicle is stacked at the outlet and is used for storing the sieved coal.

[0031] The utility model discloses in the specific implementation, as shown in Figure 3 And Figure 4 The driving device 4 includes a motor limiting plate 411 connected with the support 1 and a driving motor 401, an installation plate 402 is installed at the lower end of the driving motor 401 and is hinged with the motor limiting plate 411, a driving pulley 403 is installed at the rotating end of the driving motor 401, a connecting shaft 404 is installed at one side of the baffle 302 and penetrates the washing and selecting box 2, a driven pulley 405, a counterweight 406 and a protective cover 407 are installed on the outer side of the washing and selecting box 2, the driving pulley 403 and the driven pulley 405 are connected by a belt, and specifically, the counterweight 406 is arranged in a semicircle, when the driving motor 401 works, the driven pulley 405 is rotated by the driving pulley 403, the connecting shaft 404 moves up and down under the guidance of the second moving hole 9 due to the counterweight 406, so as to drive the sieve screen 301 to vibrate and sieve, the driving device 4 is arranged in two groups, the sieve screen 301 can balance vibration, and the vibration of the sieve screen 301 is adjusted by the first adjusting spring 305 between the connecting block 304 and the support column 8.

[0032] In specific implementation of this utility model, such as Figures 2-4 As shown, a guide rod 408 is slidably mounted on the motor limiting plate 411. A limiting plate 409 is mounted on the outer side of the guide rod 408. A second adjusting spring 410 is movably mounted on the outer side of the guide rod 408, located between the limiting plate 409 and the motor limiting plate 411. A sliding hole 10 is provided on the motor limiting plate 411 to cooperate with the guide rod 408. The guide rod 408 has a T-shaped structure. A third moving hole 11 is provided on the mounting plate 402 to cooperate with the movement of the guide rod 408. Specifically, under normal circumstances, when the counterweight 406 is facing downwards, the first adjusting spring 305 and the second adjusting spring 410 adjust the mounting plate 402 to tilt it on the motor limiting plate 411 to maintain balance. When the counterweight 406 rotates upwards, it will drive the belt to move upwards, thereby causing the mounting plate 402 to tilt upwards. The second adjusting spring 410 is compressed, and the guide rod 408 moves within the sliding hole 10 and adjusts its position within the third moving hole 11, thereby maintaining balance.

[0033] The working principle of this utility model:

[0034] Coal enters through the coal inlet 6. The drive motor 401 of the drive device 4 operates, driving the driven pulley 405 to rotate via the active pulley 403. Due to the counterweight 406, the connecting shaft 404 moves up and down under the guidance of the second moving hole 9, thereby driving the screening screen 301 to vibrate and screen. The drive device 4 has two sets, which can make the screening screen 301 vibrate in a balanced manner. The vibration of the screening screen 301 is adjusted by the first adjusting spring 305 between the connecting block 304 and the support column 8, and the second adjusting spring 410 is compressed. The guide rod 408 moves in the sliding hole 10 and moves in the third moving hole 11 to adjust its position, thereby maintaining a balanced relationship. The coal is vibrated and screened on the screening screen 301, and the water flows to the lower position. The coal vibrates up and down, making it less likely to mix with the upper layer of sorting material, thus improving the sorting effect. Then the wastewater is discharged from the outlet 5, and the screened coal vibrates out from one side of the washing box 2, completing the washing process.

[0035] The present invention and its embodiments have been described above. This description is not restrictive, and the embodiments shown throughout the text are only one of the embodiments of the present invention. The actual structure is not limited to this. In conclusion, if a person skilled in the art is inspired by this description and designs a similar structure and embodiment without departing from the inventive spirit of the present invention, such design should fall within the protection scope of the present invention.

Claims

1. A coal mining and washing plant, characterised in that, Including support (1) and washing box (2), the sorting device (3) is slidably installed in the washing box (2), the driving device (4) for driving the sorting device (3) to move up and down is installed on the support (1); The sorting device (3) includes a screening net (301) slidably connected in the washing box (2) and baffles (302) on both sides of the screening net (301), a plurality of linkage shafts (303) are installed on the opposite surfaces of the two baffles (302) and penetrate the washing box (2), a connecting block (304) is installed on the outer side of the linkage shaft (303), a support column (8) is installed on the support (1), and a first adjusting spring (305) is installed between the support column (8) and the connecting block (304); A water outlet (5) is formed at the lower end of the washing box (2). A coal inlet (6) is installed at the upper end of the washing box (2).

2. The coal mining and washing plant according to claim 1, characterized in that: First moving holes (12) are formed in the washing box (2) to cooperate with the movement of the linkage shaft (303).

3. The coal mining and washing plant according to claim 1, characterized in that: A screening partition plate (7) is installed between the two baffles (302).

4. The coal mining and washing plant according to claim 1, characterized in that: The driving device (4) includes a motor limiting plate (411) connected to the support (1) and a driving motor (401), the lower end of the driving motor (401) is provided with a mounting plate (402), the mounting plate (402) is hingedly connected to the motor limiting plate (411), the rotating end of the driving motor (401) is provided with a driving pulley (403), one side of the baffle (302) is provided with a connecting shaft (404) penetrating the washing box (2), the outer side of the washing box (2) is provided with a driven pulley (405), a counterweight (406) and a protective cover (407), and the driving pulley (403) and the driven pulley (405) are connected by a belt.

5. A coal mining and washing plant as claimed in claim 4 wherein: Second moving holes (9) are formed in the washing box (2) to cooperate with the movement of the connecting shaft (404).

6. The coal mining and washing plant according to claim 4, characterized in that: A guide rod (408) is slidably installed on the motor limiting plate (411), a limiting disc (409) is installed on the outer side of the guide rod (408), and a second adjusting spring (410) is movably installed on the outer side of the guide rod (408) between the limiting disc (409) and the motor limiting plate (411).

7. A coal mining and washing plant according to claim 6 wherein: A sliding hole (10) is formed in the motor limiting plate (411) to cooperate with the use of the guide rod (408).

8. The coal mining and washing plant according to claim 6, characterized in that: The guide rod (408) is of T-shaped structure, and a third moving hole (11) is formed in the mounting plate (402) to cooperate with the movement of the guide rod (408). The guide rod (408) is of T-shaped structure, and a third moving hole (11) is formed in the mounting plate (402) to cooperate with the movement of the guide rod (408).

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