Automatic medium adding device for coal preparation plant

Abstract

The utility model relates to the field of coal processing, in particular to an automatic medium adding device for a coal preparation plant. The utility model provides an automatic medium adding device for a coal preparation plant, which can be used for stirring materials while automatically discharging the materials, preventing magnetite powder from being accumulated at one position, improving the mixing efficiency of a dense medium and water and improving the working efficiency. An automatic medium adding device for a coal preparation plant comprises a washing barrel, a connecting frame, a connecting pipe and the like, the connecting frame is connected to the left side of the upper portion of the washing barrel, and the connecting pipe is connected to the upper portion of the connecting frame. The discharging spray head moves downwards, so that the telescopic pipe extends, the rotating rod rotates, then the valve is opened, the electric push rod drives the connecting piece to move, the material guide plate rotates, and the lower magnetite powder is scattered into the washing barrel, so that automatic discharging and material shifting can be conducted at the same time, the magnetite powder is prevented from being accumulated at one position, and the magnetite powder washing efficiency is improved. The mixing efficiency of the dense medium and water is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of coal processing, in particular to an automatic medium adding device of a coal preparation plant. Background Art

[0002] Coal is an important fossil fuel, mainly composed of carbon, hydrogen, oxygen, nitrogen and sulfur, and is one of the most abundant energy resources on earth. The formation of coal has gone through hundreds of millions of years of geological processes, mainly formed by the compression and heating of ancient plant remains in an oxygen-deficient environment for a long time. Coal preparation plants are important places in the coal washing industry, mainly responsible for washing raw coal and improving the quality and value of coal. The main equipment of coal preparation plants includes crushers, washers, air-drying machines, dryers, etc.

[0003] The existing coal washing is to convey the heavy medium to the washing bucket filled with water through the feeder, and then mix the heavy medium and water by stirring to form a heavy medium suspension, and then pour the raw coal into the heavy medium suspension for processing. During the feeding process of the feeder, the heavy medium falls vertically and is easily accumulated in one place to cause agglomeration, which affects the mixing efficiency of the heavy medium and water, thereby affecting the work efficiency.

[0004] Therefore, it is necessary to design an automatic medium adding device for coal preparation plants that can automatically unload and shift materials at the same time, prevent magnetite powder from piling up in one place, improve the efficiency of mixing heavy medium and water, and improve work efficiency. Utility Model Content

[0005] In order to overcome the disadvantage that during the feeding process of the feeder, the heavy medium falls vertically and is easily accumulated in one place to cause agglomeration, which affects the mixing efficiency of the heavy medium and water and thus affects the working efficiency, the utility model provides an automatic medium adding device for a coal preparation plant which can automatically feed and shift the materials at the same time to prevent the magnetite powder from accumulating in one place, improve the mixing efficiency of the heavy medium and water, and improve the working efficiency.

[0006] The technical scheme of the utility model is: an automatic medium adding device for a coal preparation plant, comprising a washing barrel, a connecting frame, a connecting pipe, a valve, a torsion spring, a rotating rod, a lifting mechanism and a diffusion mechanism, wherein the left side of the upper part of the washing barrel is connected with a connecting frame, the upper part of the connecting frame is connected with a connecting pipe, the connecting pipe is connected with a valve, the front side of the valve is rotatably connected with a rotating rod, a torsion spring is connected between the rotating rod and the valve, a lifting mechanism for unloading is arranged between the connecting frame and the connecting pipe, and a diffusion mechanism for shifting materials is arranged on the lifting mechanism.

[0007] Furthermore, the washing barrel is made of stainless steel and has good corrosion resistance.

[0008] Furthermore, the connecting pipe is made of cast iron and has good mechanical strength and durability.

[0009] Furthermore, the lifting mechanism includes a cylinder, a connecting block, a telescopic tube and a discharge nozzle. The cylinder is connected to the upper right side of the connecting frame, the connecting block is connected to the telescopic end of the cylinder, the lower right side of the connecting tube is connected to the telescopic tube, the lower side of the telescopic tube is connected to the discharge nozzle, and the discharge nozzle is connected to the connecting block.

[0010] Furthermore, the connecting block is L-shaped.

[0011] Furthermore, the diffusion mechanism includes a fixed block, a material guide plate, a support plate, an electric push rod and a connecting piece. The left side of the lower right part of the connecting block is connected to two front and rear fixed blocks. The material guide plate is rotatably connected between the fixed blocks. The upper part of the connecting block is connected to the support plate. The support plate is connected to the electric push rod. The telescopic end of the electric push rod is connected to the connecting piece, and the material guide plate is rotatably connected to the connecting piece.

[0012] Compared with the prior art, the utility model has the following advantages: 1. The utility model moves the discharge nozzle downward, so that the telescopic tube extends, the rotating rod rotates, and then the valve is opened. The connecting part is driven to move by the electric push rod, so that the guide plate rotates, and then the magnetite powder is scattered into the washing bucket, so that the material can be automatically discharged and the material can be spread at the same time, which prevents the magnetite powder from accumulating in one place, improves the efficiency of mixing the heavy medium and water, and improves work efficiency.

[0013] 2. The utility model moves the discharge nozzle downward to extend the telescopic tube, rotate the rotating rod, and then open the valve. The electric push rod drives the connecting piece to move, so that the guide plate rotates, and then the magnetite powder below is spread into the washing barrel, thereby reducing the need for workers to directly participate in the adding and shifting of materials, reducing the labor intensity of workers, reducing the operation of personnel in the heavy medium area, and improving the safety of operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model.

[0016] Figure 3 It is a partial three-dimensional structural schematic diagram of the lifting mechanism of the utility model.

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the diffusion mechanism part of the utility model.

[0018] In the accompanying drawings: 1-washing barrel, 2-connecting frame, 3-connecting pipe, 4-valve, 41-torsion spring, 42-rotating rod, 5-lifting mechanism, 51-cylinder, 52-connecting block, 53-telescopic tube, 54-discharging nozzle, 6-diffusion mechanism, 61-fixed block, 62-guide plate, 63-support plate, 64-electric push rod, 65-connecting part. DETAILED DESCRIPTION

[0019] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0020] An automatic medium adding device for a coal preparation plant, such as Figure 1-Figure 4 As shown, it includes a washing barrel 1, a connecting frame 2, a connecting pipe 3, a valve 4, a torsion spring 41, a rotating rod 42, a lifting mechanism 5 and a diffusion mechanism 6. The washing barrel 1 is made of stainless steel and has good corrosion resistance. The left side of the upper part of the washing barrel 1 is connected to the connecting frame 2, and the upper part of the connecting frame 2 is connected to the connecting pipe 3. The connecting pipe 3 is made of cast iron and has good mechanical strength and durability. The valve 4 is connected to the connecting pipe 3. The front side of the valve 4 is rotatably connected to the rotating rod 42. A torsion spring 41 is connected between the rotating rod 42 and the valve 4. A lifting mechanism 5 for unloading is provided between the connecting frame 2 and the connecting pipe 3, and a diffusion mechanism 6 for shifting materials is provided on the lifting mechanism 5.

[0021] like Figure 1 and Figure 3 As shown, the lifting mechanism 5 includes a cylinder 51, a connecting block 52, a telescopic tube 53 and a discharge nozzle 54. The cylinder 51 is connected to the upper right side of the connecting frame 2, and the connecting block 52 is connected to the telescopic end of the cylinder 51. The connecting block 52 is L-shaped. The telescopic tube 53 is connected to the lower right side of the connecting tube 3, and the discharge nozzle 54 is connected to the lower side of the telescopic tube 53. The discharge nozzle 54 is connected to the connecting block 52.

[0022] like Figure 1 and Figure 4 As shown, the diffusion mechanism 6 includes a fixed block 61, a material guide plate 62, a support plate 63, an electric push rod 64 and a connecting piece 65. The left side of the lower right part of the connecting block 52 is connected to the front and rear fixed blocks 61, the material guide plate 62 is rotatably connected between the fixed blocks 61, the upper part of the connecting block 52 is connected to the support plate 63, the support plate 63 is connected to the electric push rod 64, the telescopic end of the electric push rod 64 is connected to the connecting piece 65, and the material guide plate 62 is rotatably connected to the connecting piece 65.

[0023] When the coal selection plant needs to automatically add medium to process the coal, the device can be used. The device is brought to the coal selection plant, and water is poured into the washing barrel 1. The washing barrel 1 is made of stainless steel and has good corrosion resistance. Then, the magnetite powder conveying equipment is externally connected through the connecting pipe 3. The connecting pipe 3 is made of cast iron and has good mechanical strength and durability. Then, the cylinder 51 is started, and the connecting block 52 is driven downward by the cylinder 51. The connecting block 52 is L-shaped, and then the discharge nozzle 54 is driven to move downward, so that the telescopic tube 53 is extended. When the connecting block 52 moves downward and contacts the rotating rod 42, the rotating rod 42 rotates, and the torsion spring 41 is deformed, thereby opening the valve 4, so that the material can be discharged automatically. While discharging the material, the electric push rod 64 on the support plate 63 is started, and the connecting piece 65 is driven downward by the electric push rod 64, so that the guide plate 62 rotates along the fixed block 61 and the connecting piece 65, and then The magnetite powder is spread into the washing barrel 1, and then an external stirring device is connected to stir the heavy medium and water to form a heavy medium suspension, so that the material can be automatically discharged and the material can be discharged at the same time, preventing the magnetite powder from accumulating in one place, improving the efficiency of mixing the heavy medium and water, and improving work efficiency. At the same time, the need for workers to directly participate in the adding and discharging links is reduced, the labor intensity of workers is reduced, and the operation of personnel in the heavy medium area is reduced, thereby improving the safety of the operation. After the discharge is completed, the cylinder 51 is started to operate in the reverse direction, so that the connecting block 52 moves upward and disengages from the rotating rod 42, the torsion spring 41 rotates to restore, and the rotating rod 42 rotates to reset, and then the valve 4 is closed, so that the discharge nozzle 54 moves upward, and the telescopic tube 53 shrinks, and then the raw coal is added to the washing barrel 1. Under the action of gravity, the coal particles with a density less than the suspension float up, while the gangue and part of the medium coal with a density greater than the suspension sink, thereby sorting the raw coal.

[0024] Although the utility model is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through this disclosure that various changes or modifications can be made to the utility model without departing from the principle and spirit of the utility model defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the utility model, but the scope of protection is limited by the content of the claims.

Claims

1. An automatic medium adding device for a coal preparation plant, characterized by: The invention comprises a washing and selecting barrel (1), a connecting frame (2), a connecting pipe (3), a valve (4), a torsion spring (41), a rotating rod (42), a lifting mechanism (5) and a diffusion mechanism (6). The left side of the upper part of the washing and selecting barrel (1) is connected with the connecting frame (2), the upper part of the connecting frame (2) is connected with the connecting pipe (3), the connecting pipe (3) is connected with the valve (4), the front side of the valve (4) is rotatably connected with the rotating rod (42), the rotating rod (42) and the valve (4) are connected with a torsion spring (41), a lifting mechanism (5) for unloading is arranged between the connecting frame (2) and the connecting pipe (3), and a diffusion mechanism (6) for shifting materials is arranged on the lifting mechanism (5).

2. The automatic medium adding device of a coal preparation plant according to claim 1, characterized in that: The washing bucket (1) is made of stainless steel.

3. The automatic medium adding device of a coal preparation plant according to claim 2, characterized in that: The connecting pipe (3) is made of cast iron.

4. The automatic medium adding device of a coal preparation plant according to claim 3 is characterized in that: The lifting mechanism (5) comprises a cylinder (51), a connecting block (52), a telescopic tube (53) and a discharging nozzle (54); the cylinder (51) is connected to the upper right side of the connecting frame (2); the connecting block (52) is connected to the telescopic end of the cylinder (51); the lower right side of the connecting tube (3) is connected to the telescopic tube (53); the lower side of the telescopic tube (53) is connected to the discharging nozzle (54); and the discharging nozzle (54) is connected to the connecting block (52).

5. The automatic medium adding device of a coal preparation plant according to claim 4 is characterized in that: The connecting block (52) is L-shaped.

6. The automatic medium adding device of a coal preparation plant according to claim 5 is characterized in that: The mechanism (6) comprises a fixed block (61), a material guide plate (62), a support plate (63), an electric push rod (64) and a connecting piece (65); the left side of the lower right part of the connecting block (52) is connected to two front and rear fixed blocks (61); the material guide plate (62) is rotatably connected between the fixed blocks (61); the upper part of the connecting block (52) is connected to the support plate (63); the support plate (63) is connected to the electric push rod (64); the telescopic end of the electric push rod (64) is connected to the connecting piece (65); the material guide plate (62) and the connecting piece (65) are rotatably connected.

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