Filling material preparation device based on coal gangue

Abstract

The invention discloses a filling material preparation device based on coal gangue, relates to the technical field of filling material preparation, and solves the problems of low mixing efficiency, single stirring direction and poor raw material mixing effect caused by inconvenience in crushing coal gangue filled in a mixing tank by the existing device. A crushing assembly is arranged at the top end of the interior of the mixing tank, a stirring assembly is arranged at the bottom end of the interior of the mixing tank, a supporting assembly is arranged outside the mixing tank, and the surface of a rotating roller is matched with the inner wall of a receiving hopper, so that coal gangue in the receiving hopper can be extruded and crushed, and the purpose of conveniently crushing the coal gangue is achieved; the mixing effect of the coal gangue and other raw materials is improved, the transverse rod and the arc-shaped plate at the two ends of the actuator are driven by the actuator to rotate reversely, then the raw materials in the mixing tank are stirred in two directions, and the stirring and mixing efficiency of the raw materials is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of filling material preparation, and in particular to a filling material preparation device based on coal gangue. Background Art

[0002] Coal gangue is solid waste discharged during the coal mining and coal washing processes. It is a black-gray rock with a low carbon content and harder than coal that accompanies the coal seam during the coal formation process. It includes excavation gangue during tunnel excavation, gangue mined from the roof, floor and interlayer during mining, and washed gangue picked out during coal washing. By using coal gangue, cementitious materials, alkali activator and water as raw materials to mix and prepare filling materials, the purpose of reducing the use of cement can be achieved.

[0003] After searching, the application with patent number 202410161690.2 discloses a device and method for preparing filling materials in underground coal mines, including a support plate, a mixing mechanism and a guiding mechanism. The support plate is provided with a mixing mechanism, and the mixing mechanism is provided with a guiding mechanism.

[0004] Although the device for preparing underground filling materials in a coal mine can stir the raw materials inside the mixing tank by setting up a mixing mechanism and a guiding mechanism, it is not convenient for the device for preparing underground filling materials in a coal mine to crush the coal gangue filled in the mixing tank, resulting in low mixing efficiency, and the stirring direction is single, resulting in poor mixing effect on the raw materials.

[0005] Therefore, we proposed a filling material preparation device based on coal gangue. Summary of the invention

[0006] In view of the shortcomings of the prior art, the present invention provides a filling material preparation device based on coal gangue, which solves the problem that the prior device is inconvenient to crush the coal gangue filled in the mixing tank, resulting in low mixing efficiency, and the stirring direction is single, resulting in poor mixing effect on the raw materials.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A filling material preparation device based on coal gangue, comprising a mixing tank, a feeding pipe is arranged on one side of the top surface of the mixing tank, a discharge pipe is arranged on one side of the bottom surface of the mixing tank, and a solenoid valve is installed on the discharge pipe;

[0008] A crushing assembly is disposed at the top of the mixing tank, a stirring assembly is disposed at the bottom of the mixing tank, and a supporting assembly is disposed outside the mixing tank;

[0009] The crushing assembly includes a first motor, a connecting rod, a cross plate, a U-shaped plate, a rotating roller, a receiving bucket, a discharge hole and a connecting column;

[0010] The receiving bucket is hollow inside and open at the top. The receiving bucket is fixedly mounted on the top of the inner wall of the mixing tank and its side wall is provided with evenly distributed discharge holes. A connecting column is rotatably mounted on the middle part of the bottom surface of the receiving bucket through a bearing ring. A U-shaped plate is fixedly mounted on the side wall at the top of the connecting column in an inclined manner. A roller is rotatably mounted on the inner wall of the U-shaped plate through a bearing ring. The U-shaped plate is connected to the output end of the first motor through a cross plate and a connecting rod.

[0011] As a preferred solution of the filling material preparation device based on coal gangue of the present invention, there are four U-shaped plates in total, and the four ends of the cross plate are respectively fixedly mounted on the side walls of the four U-shaped plates, the inclination of the U-shaped plates is the same as the inclination of the inner wall of the receiving bucket, the outer surface of the roller is in contact with the inside of the receiving bucket, and the outer surface of one of the rollers is fixedly mounted with evenly distributed bristles;

[0012] Among them, the gangue inside the receiving bucket can be squeezed and crushed by the cooperation between the rotating roller and the inside of the receiving bucket, and the setting of the brush can prevent the crushed gangue from being blocked inside the discharge hole.

[0013] As a preferred solution of the filling material preparation device based on coal gangue of the present invention, a connecting rod is fixedly installed in the middle of the top surface of the cross plate, the output end of the first motor is fixedly installed in the middle of the top surface of the mixing tank, and the output end of the first motor penetrates the top surface of the mixing tank and is fixedly connected to the top end of the connecting rod;

[0014] Among them, the first motor can drive the connecting rod and the cross plate at the bottom to rotate, and then drive the U-shaped plate and the roller to rotate along the inner wall of the receiving bucket with the connecting column as the fulcrum.

[0015] As a preferred solution of the filling material preparation device based on coal gangue of the present invention, the stirring assembly includes a second motor, a rotating rod and a stirring component, the second motor is fixedly installed in the middle of the bottom surface of the mixing tank, the output end of the second motor passes through the bottom surface of the mixing tank and is fixedly connected to the rotating rod, and the top end of the rotating rod is rotatably installed on the bottom surface of the receiving bucket through a bearing ring;

[0016] The rotating rod is driven to rotate by the second motor.

[0017] As a preferred solution of the coal gangue-based filling material preparation device of the present invention, the outer surface of the rotating rod is provided with three stirring components distributed in a linear array;

[0018] When the rotating rod rotates, the stirring component can be driven to rotate synchronously, thereby stirring the raw materials inside the mixing tank.

[0019] As a preferred solution of the filling material preparation device based on coal gangue of the present invention, the stirring component includes an actuator, a cross bar, an arc plate, an annular plate, a stirring rod and a sleeve ring, the actuator is fixedly mounted on the outer surface of the rotating rod, the two ends of the actuator are rotatably mounted with cross bars, and the end of the cross bar away from the actuator is fixedly mounted with an arc plate;

[0020] Among them, when the rotating rod rotates, it can drive the actuator and the ring to rotate synchronously, and then stir the raw materials inside the mixing tank through the stirring rod on the side wall of the ring and the cross bar on the side wall of the actuator. At the same time, the actuator drives the cross bars and arc plates at both ends to rotate in the opposite direction, and then stir the raw materials inside the mixing tank from two directions.

[0021] As a preferred solution of the gangue-based filling material preparation device of the present invention, the collar is fixedly sleeved on the outer surface of the rotating rod and is located on the upper and lower sides of the actuator, and the arc surface of the collar is fixedly installed with stirring rods distributed in a ring array, and the end of the stirring rod away from the collar is fixedly installed on the inner wall of the annular plate;

[0022] When the sleeve ring rotates together with the rotating rod, the stirring rod and the annular plate at the end thereof can be driven to rotate synchronously.

[0023] As a preferred solution of the gangue-based filling material preparation device of the present invention, the support assembly includes a mounting ring, a support leg, a pad and a reinforcing plate. The mounting ring is fixedly sleeved on the outer surface of the mixing tank, and the arc surface of the mounting ring is fixedly installed with support legs distributed in a circular array and in an "L" shape, the bottom end of the support leg is fixedly installed with a pad, and the corner of the support leg is fixedly installed with a reinforcing plate;

[0024] The mixing tank can be supported by the mounting ring and the supporting legs, the contact area between the supporting legs and the ground can be increased by the pad, and the strength of the bending part of the supporting legs can be increased by the reinforcing plate.

[0025] The present invention provides a filling material preparation device based on coal gangue, which has the following beneficial effects:

[0026] 1. The filling material preparation device based on coal gangue, by feeding raw materials such as coal gangue, gelling material, alkali activator and water into the interior of the mixing tank through the feeding pipe, the gelling material, alkali activator and water and other raw materials will pass through the discharge hole into the bottom of the mixing tank, and the larger coal gangue will remain in the receiving bucket. Through the arrangement of the first motor, the connecting rod, the cross plate, the U-shaped plate, the roller and the connecting column, the roller can be rotated along the inner wall of the receiving bucket with the connecting column as the fulcrum, and the surface of the roller cooperates with the inner wall of the receiving bucket. The gangue in the receiving bucket can be squeezed and crushed, and the brush arranged on the surface of one of the rotating rollers can be used to clean the gangue powder in the receiving bucket, and then the gangue powder passes through the discharge hole and enters the bottom of the mixing tank, so as to facilitate the crushing of the gangue, improve the mixing effect of the gangue and other raw materials, and improve the mixing efficiency of the gangue and other raw materials, and solve the problem that the existing device is not convenient for crushing the gangue filled in the mixing tank, resulting in low mixing efficiency;

[0027] 2. The gangue-based filling material preparation device drives the rotating rod to rotate through the second motor. When the rotating rod rotates, it can drive the actuator and the ring to rotate synchronously, and then the raw materials inside the mixing tank are stirred through the stirring rod on the side wall of the ring and the cross bar on the side wall of the actuator. At the same time, the actuator drives the cross bars and arc plates at both ends to rotate in the opposite direction, and then the raw materials inside the mixing tank are stirred from two directions, which further improves the stirring and mixing efficiency of the raw materials and solves the problem that the existing device has a single stirring direction and poor mixing effect on the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the present invention;

[0029] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0030] Figure 3 It is a schematic diagram of the support assembly structure of the present invention;

[0031] Figure 4 This is a schematic diagram of the split structure of the crushing assembly of the present invention;

[0032] Figure 5 It is a schematic diagram of the structure of the stirring component of the present invention;

[0033] Figure 6 It is a schematic diagram of the split structure of the stirring component of the present invention.

[0034] In the figure: 1. mixing tank; 11. feeding pipe; 12. discharge pipe; 2. crushing assembly; 21. first motor; 22. connecting rod; 23. cross plate; 24. U-shaped plate; 25. roller; 26. receiving bucket; 27. discharge hole; 28. connecting column; 3. stirring assembly; 31. second motor; 32. rotating rod; 33. stirring component; 331. actuator; 332. cross bar; 333. arc plate; 334. annular plate; 335. stirring rod; 336. sleeve ring; 4. support assembly; 41. mounting ring; 42. support leg; 43. pad; 44. reinforcement plate. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1-6The embodiment of the present invention provides a technical solution: a filling material preparation device based on coal gangue, comprising a mixing tank 1, a feeding pipe 11 is arranged on one side of the top surface of the mixing tank 1, a discharge pipe 12 is arranged on one side of the bottom surface of the mixing tank 1, a solenoid valve is installed on the discharge pipe 12, a crushing assembly 2 is arranged at the top end of the mixing tank 1, a stirring assembly 3 is arranged at the bottom end of the mixing tank 1, and a supporting assembly 4 is arranged outside the mixing tank 1. The crushing assembly 2 includes a first motor 21, a connecting rod 22, a cross plate 23, a U-shaped plate 24, a rotating roller 25, a receiving bucket 26, a discharge hole 27 and a connecting column 28. The receiving bucket 26 is hollow inside and has an opening at the top. The receiving bucket 26 is fixed. The fixed sleeve is mounted on the top of the inner wall of the mixing tank 1 and its side wall is provided with evenly distributed discharge holes 27. A connecting column 28 is rotatably installed on the middle part of the inner bottom surface of the receiving bucket 26 through a bearing ring. A U-shaped plate 24 arranged in an inclined manner is fixedly installed on the side wall of the top of the connecting column 28. A roller 25 is rotatably installed on the inner wall of the U-shaped plate 24 through a bearing ring. The U-shaped plate 24 is connected to the output end of the first motor 21 through a cross plate 23 and a connecting rod 22. A total of four U-shaped plates 24 are provided. The four ends of the cross plate 23 are fixedly installed on the side walls of the four U-shaped plates 24 respectively. The inclination of the U-shaped plate 24 is the same as that of the inner wall of the receiving bucket 26. The outer surface of the roller 25 is The receiving bucket 26 is in contact with the inside, and the outer surface of one of the rotating rollers 25 is fixedly installed with evenly distributed bristles. The middle part of the top surface of the cross plate 23 is fixedly installed with a connecting rod 22. The output end of the first motor 21 is fixedly installed in the middle part of the top surface of the mixing tank 1. The output end of the first motor 21 penetrates the top surface of the mixing tank 1 and is fixedly connected with the top of the connecting rod 22. By feeding raw materials such as coal gangue, cementitious material, alkali activator and water into the mixing tank 1 through the feeding pipe 11, the cementitious material, alkali activator and water will pass through the discharge hole 27 and enter the bottom of the mixing tank 1. The larger coal gangue will remain in the receiving bucket 26. Through the first motor 21 and the connecting rod 22 The arrangement of the cross plate 23, the U-shaped plate 24, the roller 25 and the connecting column 28 can make the roller 25 rotate along the inner wall of the receiving bucket 26 with the connecting column 28 as a fulcrum, and the coal gangue inside the receiving bucket 26 can be squeezed and crushed by the surface of the roller 25 and the inner wall of the receiving bucket 26. The brush arranged on the surface of one of the rollers 25 can clean the coal gangue powder inside the receiving bucket 26, and then the coal gangue powder passes through the discharge hole 27 and enters the bottom of the mixing tank 1, so as to achieve the purpose of facilitating the crushing of coal gangue, which is beneficial to improving the mixing effect of coal gangue and other raw materials, and can improve the mixing efficiency of coal gangue and other raw materials;

[0037] See also Figure 1 , 2, 5 and 6, the embodiment of the present invention provides a technical solution: a filling material preparation device based on coal gangue, the stirring assembly 3 includes a second motor 31, a rotating rod 32 and a stirring member 33, the second motor 31 is fixedly installed in the middle of the bottom surface of the mixing tank 1, the output end of the second motor 31 passes through the bottom surface of the mixing tank 1 and is fixedly connected with the rotating rod 32, the top of the rotating rod 32 is rotatably installed on the bottom surface of the receiving bucket 26 through a bearing ring, and the outer surface of the rotating rod 32 is provided with three stirring members 33 distributed in a linear array, the stirring member 33 includes an actuator 331, a cross bar 332, an arc plate 333, an annular plate 334, a stirring rod 335 and a collar 336, the actuator 331 is fixedly installed on the outer surface of the rotating rod 32, the two ends of the actuator 331 are rotatably installed with the cross bars 332, and the end of the cross bar 332 away from the actuator 331 is fixed The arc plate 333 is fixedly installed, and the collar 336 is fixedly sleeved on the outer surface of the rotating rod 32 and is located at the upper and lower sides of the actuator 331. The arc surface of the collar 336 is fixedly installed with stirring rods 335 distributed in a ring array. The end of the stirring rod 335 away from the collar 336 is fixedly installed on the inner wall of the annular plate 334. The rotating rod 32 is driven to rotate by the second motor 31. When the rotating rod 32 rotates, the actuator 331 and the collar 336 can be driven to rotate synchronously, and then the stirring rod 335 on the side wall of the collar 336 and the cross bar 332 on the side wall of the actuator 331 are used to stir the raw materials in the mixing tank 1. At the same time, the cross bars 332 and the arc plate 333 at both ends are driven by the actuator 331 to rotate in the opposite direction, and then the raw materials in the mixing tank 1 are stirred from two directions, thereby further improving the stirring and mixing efficiency of the raw materials.

[0038] See also Figure 1-3 The embodiment of the present invention provides a technical solution: a filling material preparation device based on coal gangue, the support assembly 4 includes a mounting ring 41, a support leg 42, a pad 43 and a reinforcing plate 44, the mounting ring 41 is fixedly sleeved on the outer surface of the mixing tank 1, and the arc surface of the mounting ring 41 is fixedly installed with support legs 42 distributed in a circular array and in an "L" shape, the bottom end of the support leg 42 is fixedly installed with a pad 43, and the corner of the support leg 42 is fixedly installed with a reinforcing plate 44. The mixing tank 1 can be supported by the mounting ring 41 and the support leg 42, the contact area between the support leg 42 and the ground can be increased by the pad 43, and the strength of the bending part of the support leg 42 can be increased by the reinforcing plate 44.

[0039] Working principle and use process of the present invention: When using the filling material preparation device based on coal gangue, raw materials such as coal gangue, cementitious material, alkali activator and water are put into the interior of the mixing tank 1 through the feeding pipe 11, and the raw materials such as cementitious material, alkali activator and water will pass through the discharge hole 27 to enter the bottom of the mixing tank 1, and the larger coal gangue will remain in the receiving bucket 26, and then the first motor 21 is started to drive the connecting rod 22 and the cross plate 23 at the bottom thereof to rotate, and then drive the U-shaped plate 24 and the rollers 25 on the inner wall thereof to rotate along the inner wall of the receiving bucket 26, and the coal gangue inside the receiving bucket 26 can be squeezed and crushed by the surface of the roller 25 and the inner wall of the receiving bucket 26. The brush arranged on the surface of one of the rollers 25 can clean the coal gangue powder inside the receiving bucket 26, and then the coal gangue powder passes through the discharge hole 27 to enter the bottom of the mixing tank 1;

[0040] Then, the second motor 31 is started to drive the rotating rod 32 and the stirring component 33 on its outer surface to rotate, so that the raw materials at the bottom of the mixing tank 1 can be stirred. When the rotating rod 32 rotates, it can drive the actuator 331 and the ring 336 to rotate synchronously, and then the stirring rod 335 on the side wall of the ring 336 and the cross bar 332 on the side wall of the actuator 331 are used to stir the raw materials inside the mixing tank 1. At the same time, the actuator 331 drives the cross bars 332 and the arc plate 333 at both ends to rotate in the opposite direction, and then the raw materials inside the mixing tank 1 are stirred from two directions.

[0041] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0042] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A filling material preparation device based on coal gangue, comprising a mixing tank (1), a feeding pipe (11) is arranged on one side of the top surface of the mixing tank (1), a discharge pipe (12) is arranged on one side of the bottom surface of the mixing tank (1), and a solenoid valve is installed on the discharge pipe (12); Features: A crushing assembly (2) is arranged at the top end of the mixing tank (1), a stirring assembly (3) is arranged at the bottom end of the mixing tank (1), and a supporting assembly (4) is arranged outside the mixing tank (1); The pulverizing assembly (2) comprises a first motor (21), a connecting rod (22), a cross plate (23), a U-shaped plate (24), a rotating roller (25), a receiving bucket (26), a discharge hole (27) and a connecting column (28); The receiving bucket (26) is hollow inside and has an open top. The receiving bucket (26) is fixedly mounted on the top of the inner wall of the mixing tank (1) and has evenly distributed discharge holes (27) on its side wall. A connecting column (28) is rotatably mounted on the middle part of the bottom surface of the receiving bucket (26) via a bearing ring. A U-shaped plate (24) is fixedly mounted on the side wall at the top of the connecting column (28) and is inclined. A roller (25) is rotatably mounted on the inner wall of the U-shaped plate (24) via a bearing ring. The U-shaped plate (24) is connected to the output end of the first motor (21) via a cross plate (23) and a connecting rod (22).

2. The device for preparing filling materials based on coal gangue according to claim 1, characterized in that: A total of four U-shaped plates (24) are provided, and the four ends of the cross plate (23) are respectively fixedly mounted on the side walls of the four U-shaped plates (24). The inclination of the U-shaped plates (24) is the same as the inclination of the inner wall of the receiving bucket (26). The outer surface of the rotating roller (25) contacts the inside of the receiving bucket (26), and evenly distributed bristles are fixedly mounted on the outer surface of one of the rotating rollers (25).

3. The device for preparing filling materials based on coal gangue according to claim 2, characterized in that: A connecting rod (22) is fixedly mounted in the middle of the top surface of the cross plate (23), and an output end of the first motor (21) is fixedly mounted in the middle of the top surface of the mixing tank (1). The output end of the first motor (21) passes through the top surface of the mixing tank (1) and is fixedly connected to the top end of the connecting rod (22).

4. The device for preparing filling materials based on coal gangue according to claim 1, characterized in that: The stirring assembly (3) comprises a second motor (31), a rotating rod (32) and a stirring component (33); the second motor (31) is fixedly mounted in the middle of the bottom surface of the mixing tank (1); the output end of the second motor (31) passes through the bottom surface of the mixing tank (1) and is fixedly connected to the rotating rod (32); the top end of the rotating rod (32) is rotatably mounted on the bottom surface of the receiving bucket (26) via a bearing ring.

5. The device for preparing filling materials based on coal gangue according to claim 4, characterized in that: The outer surface of the rotating rod (32) is provided with three stirring components (33) distributed in a linear array.

6. The device for preparing filling materials based on coal gangue according to claim 5, characterized in that: The stirring component (33) comprises an actuator (331), a cross bar (332), an arc plate (333), an annular plate (334), a stirring rod (335) and a collar (336); the actuator (331) is fixedly mounted on the outer surface of the rotating rod (32); the cross bars (332) are rotatably mounted at both ends of the actuator (331); and the arc plate (333) is fixedly mounted at one end of the cross bar (332) away from the actuator (331).

7. The device for preparing filling materials based on coal gangue according to claim 5, characterized in that: The collar (336) is fixedly sleeved on the outer surface of the rotating rod (32) and is located on the upper and lower sides of the actuator (331); stirring rods (335) distributed in a ring array are fixedly installed on the arc surface of the collar (336); and one end of the stirring rods (335) away from the collar (336) is fixedly installed on the inner wall of the annular plate (334).

8. The device for preparing filling materials based on coal gangue according to claim 1, characterized in that: The support assembly (4) comprises a mounting ring (41), support legs (42), a pad (43) and a reinforcing plate (44); the mounting ring (41) is fixedly mounted on the outer surface of the mixing tank (1); support legs (42) distributed in a circular array and in an "L" shape are fixedly mounted on the arc surface of the mounting ring (41); the pad (43) is fixedly mounted at the bottom end of the support leg (42); and the reinforcing plate (44) is fixedly mounted at the corner of the support leg (42).

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