Grinding device for fly ash

Abstract

The utility model discloses a pulverized fuel ash grinding device which comprises a grinding box, a first motor is fixed on the upper surface of the grinding box, the output end of the first motor is fixedly connected with a first rotating rod, the outer surface of the first rotating rod is fixedly connected with stirring blades, the side inner wall of the grinding box is rotatably connected with a second rotating rod, and the second rotating rod is fixedly connected with the output end of the first motor. A fixing plate is fixedly connected to the side surface of the grinding box, a third rotating rod is rotatably connected to the upper surface of the fixing plate, a first bevel gear is fixedly connected to the bottom end of the first rotating rod, a second bevel gear is fixedly connected to one end of the second rotating rod, and a third bevel gear is fixedly connected to the top end of the third rotating rod; the first rotating rod is driven by the first motor to rotate, then the bevel gear set conducts meshing transmission, the second rotating rod and the third rotating rod are made to rotate, then the coal ash is stirred and scattered through stirring blades, and the grinding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fly ash, in particular to a grinding device for fly ash. Background Art

[0002] Fly ash is the fine ash collected from the flue gas after coal combustion. Fly ash is the main solid waste discharged from coal-fired power plants. As a high-quality mineral admixture, fly ash can be added to concrete to improve concrete performance, save water, and adjust concrete strength grade. Before adding fly ash to concrete, it needs to be ground to increase the speed and effect of fly ash melting into concrete.

[0003] The existing fly ash grinding device generally has low single-stage grinding efficiency and uneven crushed particles when grinding fly ash, which affects the effect of the finished product after the device grinds; when grinding, the existing fly ash grinding device will generate large vibrations under the action of the motor, reducing the service life of the device. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a grinding device for fly ash, which can clamp the outer side wall of the grinding box through the stabilizing mechanism, reduce the shaking generated during grinding, and improve the service life of the device, and the threaded rod is rotated to rotate the handle, and under the guiding action of the vertical plate, the threaded block moves along the axial direction of the threaded rod with the guide rod until the clamping plate clamps the side wall of the grinding box, and the operation is simple and convenient; the first motor drives the first rotating rod to rotate, and then the bevel gear set is meshed and driven to rotate the second rotating rod and the third rotating rod, so that the stirring blade stirs and breaks up the fly ash, and the grinding effect is improved; the second motor drives the grinding roller to rotate, and the fly ash is fully ground on the grinding plate and the grinding roller, and the ground fly ash falls from the guide plate to between the crushing rollers, and then the third motor drives the two crushing rollers to rotate relative to each other, and the fly ash is processed for secondary processing, so that the fly ash particles are more uniform and the effect of the finished product after grinding is improved.

[0005] The utility model also provides a grinding device for fly ash as mentioned above, comprising: a grinding box, a first motor is fixed to the upper surface of the grinding box, a first rotating rod is fixedly connected to the output end of the first motor, a stirring blade is fixedly connected to the outer surface of the first rotating rod, a second rotating rod is rotatably connected to the side inner wall of the grinding box, a fixing plate is fixedly connected to the side surface of the grinding box, a third rotating rod is rotatably connected to the upper surface of the fixing plate, a first bevel gear is fixedly connected to the bottom end of the first rotating rod, a second bevel gear is fixedly connected to one end of the second rotating rod, a third bevel gear is fixedly connected to the top end of the third rotating rod, the first bevel gear and the second bevel gear are meshed with each other, the second bevel gear and the third bevel gear are meshed with each other, and a stabilizing mechanism is arranged on the side of the grinding box.

[0006] According to the fly ash grinding device, a protective shell is provided on the outer surface of the first rotating rod, and the first bevel gear, the second bevel gear and the third bevel gear are all located inside the protective shell.

[0007] According to the fly ash grinding device, the outer surface of the second rotating rod is fixedly connected with a stirring blade, and the outer surface of the third rotating rod is fixedly connected with a stirring blade.

[0008] According to the grinding device for fly ash, an inclined plate is fixedly connected to the inner side wall of the grinding box, a second motor is fixedly connected to the outer surface of the grinding box, a grinding roller is fixedly connected to the output end of the second motor, and a grinding plate is fixedly connected to the inner side wall of the grinding box.

[0009] According to the fly ash grinding device, a guide plate is fixedly connected to the inner side wall of the grinding box, a third motor is fixedly connected to the outer surface of the grinding box, and a crushing roller is fixedly connected to the output end of the third motor.

[0010] According to the fly ash grinding device, a feed hopper is provided on the upper surface of the grinding box, a discharge pipe is provided at the bottom end of the grinding box, and a support column is fixedly connected to the side surface of the grinding box.

[0011] According to the grinding device for fly ash, the stabilizing mechanism includes a base, a frame, a threaded rod, a threaded block, a guide rod, a clamping plate and a frame, the upper surface of the base is fixedly connected to the frame, the interior of the frame is rotatably connected to the threaded rod, the outer surface of the threaded rod is threadedly connected to the threaded block, the outer annular surface of the threaded block is fixedly connected to the guide rod, the outer surface of the guide rod is slidably connected to the frame, and the end of the guide rod away from the threaded block is fixedly connected to the clamping plate.

[0012] According to the fly ash grinding device, one end of the threaded rod is fixedly connected to a handle, and the end of the threaded rod away from the handle is fixedly connected to a limiting ring.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a grinding device for fly ash of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a stable mechanism of a fly ash grinding device of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a grinding box of a fly ash grinding device of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the internal structure of a protective shell of a grinding device for fly ash.

[0019] Legend:

[0020] 1. Grinding box; 2. First motor; 3. First rotating rod; 4. Stirring blade; 5. Second rotating rod; 6. Third rotating rod; 7. Protective shell; 8. First bevel gear; 9. Second bevel gear; 10. Third bevel gear; 11. Fixed plate; 12. Inclined plate; 13. Grinding plate; 14. Grinding roller; 15. Second motor; 16. Guide plate; 17. Third motor; 18. Crushing roller; 19. Feed hopper; 20. Discharge pipe; 21. Support column; 22. Base; 23. Stand; 24. Threaded rod; 25. Threaded block; 26. Guide rod; 27. Clamp; 28. Handle; 29. ​​Stand; 30. Limiting ring. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4The utility model embodiment is a fly ash grinding device, which includes: a grinding box 1, a first motor 2 is fixed on the upper surface of the grinding box 1, a first rotating rod 3 is fixedly connected to the output end of the first motor 2, a stirring blade 4 is fixedly connected to the outer surface of the first rotating rod 3, a second rotating rod 5 is rotatably connected to the inner wall of the side of the grinding box 1, a fixed plate 11 is fixedly connected to the side surface of the grinding box 1, a third rotating rod 6 is rotatably connected to the upper surface of the fixed plate 11, a stirring blade 4 is fixedly connected to the outer surface of the second rotating rod 5, a stirring blade 4 is fixedly connected to the outer surface of the third rotating rod 6, a first bevel gear 8 is fixedly connected to the bottom end of the first rotating rod 3, and a first bevel gear 8 is fixedly connected to the second rotating rod 5. The end is fixedly connected with the second bevel gear 9, the top end of the third rotating rod 6 is fixedly connected with the third bevel gear 10, the first bevel gear 8 and the second bevel gear 9 are meshed with each other, the second bevel gear 9 and the third bevel gear 10 are meshed with each other, and the outer surface of the first rotating rod 3 is provided with a protective shell 7, the first bevel gear 8, the second bevel gear 9 and the third bevel gear 10 are all located inside the protective shell 7, the first rotating rod 3 is driven to rotate by the first motor 2, and then the bevel gear set is meshed and transmitted, so that the second rotating rod 5 and the third rotating rod 6 are rotated, and then the stirring blade 4 stirs and breaks up the fly ash to improve the grinding effect, and the protective shell 7 is used to prevent the fly ash from interfering with the rotation of the gear set.

[0023] An inclined plate 12 is fixedly connected to the inner side wall of the grinding box 1, a second motor 15 is fixedly connected to the outer surface of the grinding box 1, a grinding roller 14 is fixedly connected to the output end of the second motor 15, a grinding plate 13 is fixedly connected to the inner side wall of the grinding box 1, a guide plate 16 is fixedly connected to the inner side wall of the grinding box 1, a third motor 17 is fixedly connected to the outer surface of the grinding box 1, a crushing roller 18 is fixedly connected to the output end of the third motor 17, when the stirred fly ash falls from the inclined plate 12 to between the grinding plate 13 and the grinding roller 14, the grinding roller 14 is driven to rotate by the second motor 15, the fly ash is fully ground between the grinding plate 13 and the grinding roller 14, the ground fly ash falls from the guide plate 16 to between the crushing rollers 18, the two crushing rollers 18 are driven to rotate relatively by the third motor 17, the fly ash is secondary processed, the fly ash particles are made more uniform, and the effect of the finished product after grinding is improved.

[0024] A feed hopper 19 is provided on the upper surface of the grinding box 1, a discharge pipe 20 is provided at the bottom end of the grinding box 1, and a support column 21 is fixedly connected to the side surface of the grinding box 1. The feed hopper 19 is used to add fly ash, the discharge pipe 20 is used to discharge the processed fly ash, and the support column 21 is used to support the entire grinding box 1.

[0025] A stabilizing mechanism is arranged on the side of the grinding box 1, and the stabilizing mechanism comprises a base 22, a stand 23, a threaded rod 24, a threaded block 25, a guide rod 26, a clamping plate 27 and a stand 29. The upper surface of the base 22 is fixedly connected to the stand 23, the interior of the stand 23 is rotatably connected to the threaded rod 24, the outer surface of the threaded rod 24 is threadedly connected to the threaded block 25, the outer annular surface of the threaded block 25 is fixedly connected to the guide rod 26, the outer surface of the guide rod 26 is slidably connected to the stand 29, and the guide rod 26 is away from the threaded rod 24. One end of the block 25 is fixedly connected to the clamping plate 27, one end of the threaded rod 24 is fixedly connected to a handle 28, and the end of the threaded rod 24 away from the handle 28 is fixedly connected to a limit ring 30. Before processing the fly ash, the handle 28 is rotated to rotate the threaded rod 24. Under the guidance of the vertical plate 29, the threaded block 25 will move along the axial direction of the threaded rod 24 with the guide rod 26 until the clamping plate 27 clamps the side wall of the grinding box 1, thereby reducing the shaking generated during grinding and increasing the service life of the device.

[0026] Working principle: before using the device to grind fly ash, turn the handle 28 to rotate the threaded rod 24, and the threaded block 25 moves along the axial direction of the threaded rod 24 with the guide rod 26 until the clamping plate 27 clamps the side wall of the grinding box 1, reducing the shaking during grinding and increasing the service life of the device. Then add fly ash from the feed funnel 19, and then start the first motor 2 to drive the first rotating rod 3 to rotate, and then the bevel gear set engages and drives, so that the second rotating rod 5 and the third rotating rod 6 rotate, and then the stirring blade 4 stirs and breaks up the fly ash to improve the grinding effect. At the same time, start the second motor 15 to drive the grinding roller 14 to rotate, and fully grind the fly ash on the grinding plate 13 and the grinding roller 14. The ground fly ash falls from the guide plate 16 to between the crushing rollers 18, and then the two crushing rollers 18 are driven by the third motor 17 to rotate relative to each other, so as to perform secondary processing on the fly ash, make the fly ash particles more uniform, and improve the effect of the finished product after grinding.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A grinding device for fly ash, characterized in that: include: A grinding box (1), wherein a first motor (2) is fixed on the upper surface of the grinding box (1), a first rotating rod (3) is fixedly connected to the output end of the first motor (2), a stirring blade (4) is fixedly connected to the outer surface of the first rotating rod (3), a second rotating rod (5) is rotatably connected to the inner wall of the side of the grinding box (1), a fixing plate (11) is fixedly connected to the side surface of the grinding box (1), a third rotating rod (6) is rotatably connected to the upper surface of the fixing plate (11), a first bevel gear (8) is fixedly connected to the bottom end of the first rotating rod (3), a second bevel gear (9) is fixedly connected to one end of the second rotating rod (5), a third bevel gear (10) is fixedly connected to the top end of the third rotating rod (6), the first bevel gear (8) and the second bevel gear (9) are meshed with each other, the second bevel gear (9) and the third bevel gear (10) are meshed with each other, and a stabilizing mechanism is arranged on the side of the grinding box (1).

2. A fly ash grinding device according to claim 1, characterized in that: The outer surface of the first rotating rod (3) is provided with a protective shell (7), and the first bevel gear (8), the second bevel gear (9) and the third bevel gear (10) are all located inside the protective shell (7).

3. A fly ash grinding device according to claim 1, characterized in that: The outer surface of the second rotating rod (5) is fixedly connected to a stirring blade (4), and the outer surface of the third rotating rod (6) is fixedly connected to a stirring blade (4).

4. A fly ash grinding device according to claim 1, characterized in that: The inner side wall of the grinding box (1) is fixedly connected to an inclined plate (12), the outer surface of the grinding box (1) is fixedly connected to a second motor (15), the output end of the second motor (15) is fixedly connected to a grinding roller (14), and the inner side wall of the grinding box (1) is fixedly connected to a grinding plate (13).

5. A grinding device for fly ash according to claim 1, characterized in that: A guide plate (16) is fixedly connected to the inner side wall of the grinding box (1), a third motor (17) is fixedly connected to the outer surface of the grinding box (1), and a crushing roller (18) is fixedly connected to the output end of the third motor (17).

6. A fly ash grinding device according to claim 1, characterized in that: The upper surface of the grinding box (1) is provided with a feeding funnel (19), the bottom end of the grinding box (1) is provided with a discharge pipe (20), and the side surface of the grinding box (1) is fixedly connected with a support column (21).

7. A fly ash grinding device according to claim 1, characterized in that: The stabilizing mechanism comprises a base (22), a stand (23), a threaded rod (24), a threaded block (25), a guide rod (26), a clamping plate (27) and a stand (29); the upper surface of the base (22) is fixedly connected to the stand (23); the interior of the stand (23) is rotatably connected to the threaded rod (24); the outer surface of the threaded rod (24) is threadedly connected to the threaded block (25); the outer annular surface of the threaded block (25) is fixedly connected to the guide rod (26); the outer surface of the guide rod (26) is slidably connected to the stand (29); and the end of the guide rod (26) away from the threaded block (25) is fixedly connected to the clamping plate (27).

8. A fly ash grinding device according to claim 7, characterized in that: One end of the threaded rod (24) is fixedly connected to a handle (28), and one end of the threaded rod (24) away from the handle (28) is fixedly connected to a limiting ring (30).

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