Coal cinder treatment device for thermal power engineering

Abstract

The coal cinder treatment device for the thermal power engineering comprises a charging barrel, a material grinding disc, a material crushing device and a dispersing conical cover are sequentially arranged in the charging barrel from bottom to top, and an electromagnet is arranged on the inner side of the dispersing conical cover; the material grinding disc is connected with a first motor and is driven to rotate through the first motor; an annular grinding gap is formed between the grinding disc and the inner wall of the charging barrel, a feeding port is formed in the upper end of the charging barrel, and a discharging port is formed in the lower end of the charging barrel. When coal cinder is ground, iron particles in the coal cinder can be sucked out through the dispersing conical cover, and the situation that the iron particles enter the grinding annular space to damage the grinding disc is avoided. The material crushing device in the charging barrel can apply pressure to the coal cinder so as to crush the coal cinder into smaller coal cinder blocks, so that the coal cinder can enter the grinding annular space below, the coal cinder is prevented from accumulating at the upper end of the grinding annular space to cause material clogging, and the reduction of the working efficiency caused by accumulation and clogging of the coal cinder is avoided.

Description

Technical Field

[0001] The invention relates to a coal slag processing device, in particular to a coal slag processing device used in thermal power engineering. Background Art

[0002] Coal ash from thermal power plants refers to the solid waste left after coal is burned during the process of thermal power generation. The treatment of coal ash from thermal power plants used to be an environmental problem, but now it has been widely used in building materials, road construction and other fields, becoming an object of resource recycling. For example, coal ash can be used to make bricks, concrete aggregates, or as an additive in cement production. This not only helps reduce environmental pollution, but also reduces the demand for natural resources.

[0003] When processing coal slag, it needs to be ground into finer granular or powdery materials through a crusher or abrasive equipment. Then, when the existing grinding machine grinds the coal slag, since the coal slag may contain certain iron particles, these iron particles are often unable to be sorted out before grinding. Due to the high hardness of these iron particles, the grinding disc of the grinding machine will be damaged during the grinding process, causing damage to the abrasive and reducing the service life of the abrasive; in addition, the coal slag to be processed often contains some large coal slag blocks, which are difficult to enter the abrasive gap of the abrasive disc, causing these coal slag blocks to accumulate at one end of the abrasive gap, preventing other coal slag from entering the abrasive gap, thereby causing material blockage and reduced abrasive efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the deficiencies in the prior art and provide a coal slag treatment device for thermal power engineering.

[0005] The objective of the present invention is achieved through the following technical scheme: a coal slag processing device for thermal power engineering comprises a barrel, in which an abrasive disc, a material crushing device and a dispersion cone cover are arranged in sequence from bottom to top, and an electromagnet is arranged on the inner side of the dispersion cone cover; the abrasive disc is connected to a first motor, and the abrasive disc is driven to rotate by the first motor; an abrasive annular gap is formed between the abrasive disc and the inner wall of the barrel, a feed port is arranged at the upper end of the barrel, and a discharge port is arranged at the lower end of the barrel.

[0006] Preferably, a movable cone cover is arranged above the dispersion cone cover, and a lifting drive device for driving the movable cone cover to move up and down is arranged inside the dispersion cone cover; the movable cone cover is driven to move between the lower end position and the upper end position by the lifting drive device; when the movable cone cover is located at the lower end position, the movable cone cover fits with the dispersion cone cover.

[0007] Preferably, an annular cavity is provided on the side of the barrel, which is located below the dispersion cone cover, and a flexible material receiving ring is provided in the annular cavity, the lower end of the flexible material receiving ring is connected to the bottom of the annular cavity, and a plurality of telescopic driving members are evenly arranged on the outside of the annular cavity, the upper end of the flexible material receiving ring is connected to the telescopic driving member, and the upper end of the flexible material receiving ring is driven by the telescopic driving member to move along the radial direction of the barrel; the flexible material receiving ring is switched between a contracted state and an expanded state by the telescopic driving member; when the telescopic driving member is in an extended state, the flexible material receiving ring is in an expanded state; when the telescopic driving member is in a retracted state, the flexible material receiving ring is in a contracted state; a plurality of discharge ports are provided on the outside of the annular cavity; when the magnetic object adsorbed on the surface of the movable cone cover is unloaded, the telescopic driving member drives the flexible material receiving ring to switch to the expanded state, and the lifting drive device drives the movable cone cover to move to the upper end position to separate the movable cone cover from the fixed cone cover, and the magnetic object slides along the outer surface of the movable cone cover to the flexible material receiving ring below.

[0008] Preferably, the telescopic driving member is a cylinder.

[0009] Preferably, the flexible connecting ring is made of rubber, and the thickness of the flexible connecting ring is 2-3 mm.

[0010] Preferably, the movable cone cover is made of plastic.

[0011] Preferably, the material crushing device includes a fixed cylinder and a second motor, and the fixed cylinder is connected to the inner wall of the barrel by a connecting rib plate; a plurality of radial movable rods are arranged in the circumferential direction of the fixed cylinder, and the radial movable rods can move radially along the fixed cylinder; a pressure plate is arranged at one end of the radial movable rod located outside the fixed cylinder, and a sliding shaft is arranged at one end of the radial movable rod located inside the fixed cylinder; a driving disk is arranged in the fixed cylinder, and a plurality of inclined grooves corresponding to the sliding shaft are arranged on the driving disk, and an angle is formed between the inclined groove and the diameter direction of the driving disk, and the driving shaft extends into the inclined groove; the driving disk is connected to the second motor through a transmission shaft, and the driving disk is driven to rotate by the second motor.

[0012] Preferably, the angle between the inclined groove and the diameter direction of the driving disc is 45 degrees.

[0013] Preferably, the first motor is arranged at the lower end of the barrel, and a protective cover is arranged on the outer side of the first motor.

[0014] Preferably, the gap width of the abrasive annular gap gradually decreases from top to bottom.

[0015] The beneficial effects of the present invention are as follows: when grinding the coal slag, the dispersion cone can absorb the iron particles in the coal slag to prevent the iron particles from entering the abrasive annular gap and damaging the abrasive disc. The material crushing device in the barrel can pressurize the coal slag to crush the coal slag into smaller coal slag blocks, thereby ensuring that the coal slag can enter the abrasive annular gap below and that the coal slag will not accumulate at the upper end of the abrasive annular gap to cause material clogging, thereby avoiding a decrease in work efficiency caused by coal slag accumulation and clogging. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the structure of the material crushing device and the dispersion cone cover.

[0018] Figure 3 It is a schematic diagram of the structure inside the fixed cylinder.

[0019] Figure 4 It is a schematic diagram of the flexible material connection ring being connected to the telescopic drive member.

[0020] Figure 5 It is a schematic diagram of the present invention when the magnetically attracted object is discharged.

[0021] In the figure: 1. barrel, 2. feed port, 3. abrasive disc, 4. abrasive annular gap, 5. discharge port, 6. first motor, 7. protective cover, 8. fixed barrel, 9. connecting rib plate, 10. second motor, 11. transmission shaft, 12. drive disc, 13. dispersion cone cover, 14. movable cone cover, 15. electromagnet, 16. lifting drive device, 17. annular cavity, 18. discharge port, 19. flexible material receiving ring, 20. telescopic drive member, 21. radial movable rod, 22. pressure plate, 24. inclined slot, 25. sliding shaft, 30. coal slag, 31. magnetic object. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying 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 belong to the scope of protection of the present invention.

[0023] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0024] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0025] like Figures 1 to 5 As shown, the slag treatment device for thermal power engineering includes a barrel 1, in which an abrasive disc 3, a material crushing device and a dispersion cone cover 13 are arranged from bottom to top, and an electromagnet 15 is arranged on the inner side of the dispersion cone cover 13; the abrasive disc 3 is connected to the first motor 6, and the abrasive disc 3 is driven to rotate by the first motor 6; an abrasive annular gap 4 is formed between the abrasive disc 3 and the inner wall of the barrel 1, and a feed port 2 is arranged at the upper end of the barrel 1, and a discharge port 5 is arranged at the lower end of the barrel 1. The first motor 6 is arranged at the lower end of the barrel 1, and a protective cover 7 is arranged on the outer side of the first motor 6.

[0026] The inner wall of the lower end of the barrel 1 is a conical surface, the abrasive disc 3 is a truncated cone structure, the side of the abrasive disc 3 is a conical surface, and an abrasive annular gap 4 is formed between the side of the abrasive disc 3 and the inner wall of the lower end of the barrel 1. The gap width of the abrasive annular gap 4 gradually decreases from top to bottom. The dispersion cone cover 13 is a conical structure, and the cone tip of the dispersion cone cover 13 is located directly below the feed port 2.

[0027] When the present invention is used, the coal slag 30 is put into the barrel 1 through the feed port 2, and the coal slag 30 passes through the dispersion cone cover 13, the material crushing device and the abrasive disc 3 from top to bottom in sequence. When the coal slag 30 passes through the dispersion cone cover 13, the dispersion cone cover 13 disperses the coal slag 30, and because the inner side of the dispersion cone cover 13 is provided with an electromagnet 15, the dispersion cone cover 13 can absorb the iron particles in the coal slag 30, so as to prevent the iron particles from entering the abrasive annular gap 4 and damaging the abrasive disc 3; after the coal slag 30 passes through the dispersion cone cover 13, After passing through the material crushing device, the material crushing device applies pressure to the coal slag 30 to crush the coal slag 30 into smaller coal slag blocks, thereby ensuring that the coal slag 30 can enter the abrasive annular gap 4 below, and ensuring that the coal slag 30 will not accumulate at the upper end of the abrasive annular gap 4 and cause material blockage; after being crushed by the material crushing device, the coal slag 30 will enter the abrasive annular gap 4, and the coal slag 30 will be ground into smaller coal slag 30 particles through the rotation of the abrasive disc 3, and finally the coal slag 30 particles will be discharged from the discharge port 5 at the lower end of the barrel 1.

[0028] A movable cone cover 14 is arranged above the dispersion cone cover 13, and a lifting drive device 16 for driving the movable cone cover 14 to move up and down is arranged inside the dispersion cone cover 13; the movable cone cover 14 is driven to move between the lower end position and the upper end position by the lifting drive device 16; when the movable cone cover 14 is at the lower end position, the movable cone cover 14 fits with the dispersion cone cover 13. Under normal working conditions, the movable cone cover 14 is at the lower end position, at which time the movable cone cover 14 is close to the outer surface of the dispersion cone cover 13, and the movable cone cover 14 is close to the electromagnet 15. When the material (coal slag 30) falls on the movable cone cover 14, the electromagnet 15 can adsorb the iron particles in the coal slag 30 on the outer surface of the movable cone cover 14; after working for a period of time, it is necessary to unload the magnetic object 31 adsorbed on the outer surface of the movable cone cover 14. At this time, the movable cone cover 14 is driven to move to the upper end position by the lifting drive device 16, and a gap is formed between the movable cone cover 14 and the dispersion cone cover 13. The movable cone cover 14 has a certain spacing, and the distance between the electromagnet 15 on the inner side of the dispersion cone cover 13 is far, and the magnetic attraction of the electromagnet 15 to the magnetic object 31 on the outer surface of the movable cone cover 14 is greatly weakened. The electromagnet 15 cannot adsorb the magnetic object 31 (iron particles) on the outer surface of the movable cone cover 14, so that the magnetic object 31 slides along the surface of the movable cone cover 14, and the magnetic object 31 is separated from the movable cone cover 14; when the magnetic object 31 on the movable cone cover 14 is cleaned, the movable cone cover 14 is driven downward to the lower end position by the lifting drive device 16 to achieve the resetting of the movable cone cover 14.

[0029] In this embodiment, the lifting drive device 16 is an electric cylinder. There are two lifting drive devices 16, which are connected to the two sides of the movable cone cover 14 respectively.

[0030] Furthermore, an annular cavity 17 is provided on the side of the barrel 1, and the annular cavity 17 is located below the dispersion cone cover 13. A flexible material connection ring 19 is provided in the annular cavity 17, and the lower end of the flexible material connection ring 19 is connected to the bottom of the annular cavity 17. A plurality of telescopic driving members 20 are evenly arranged on the outer side of the annular cavity 17. The upper end of the flexible material connection ring 19 is connected to the telescopic driving member 20, and the upper end of the flexible material connection ring 19 is driven by the telescopic driving member 20 to move along the radial direction of the barrel 1; the flexible material connection ring 19 is switched between the contracted state and the expanded state by the telescopic driving member 20; when the telescopic driving member 20 is in When in the extended state, the flexible material connection ring 19 is in the expanded state; when the telescopic drive member 20 is in the retracted state, the flexible material connection ring 19 is in the contracted state; a plurality of discharge ports 18 are provided on the outer side of the annular cavity 17; when unloading the magnetic object 31 adsorbed on the surface of the movable cone cover 14, the telescopic drive member 20 drives the flexible material connection ring 19 to switch to the expanded state, and the lifting drive device 16 drives the movable cone cover 14 to move to the upper end position to separate the movable cone cover 14 from the fixed cone cover, and the magnetic object 31 slides along the outer surface of the movable cone cover 14 to the flexible material connection ring 19 below.

[0031] Among them, the structure of the flexible material ring 19 is as follows Figure 4 As shown, the flexible material connection ring 19 is annular in structure as a whole, made of flexible materials such as rubber, can be bent and has a certain elasticity. The lower end of the flexible material connection ring 19 is fixed to the bottom of the annular cavity 17, and the position of the lower end of the flexible material connection ring 19 is fixed; the upper end of the flexible material connection ring 19 is connected to the telescopic driving member 20, and the shape of the upper end of the flexible material connection ring 19 is controlled by the telescopic movement of the telescopic driving member 20.

[0032] When the flexible material connection ring 19 is in a contracted state, the telescopic drive member 20 is in a retracted state, the upper end of the flexible material connection ring 19 is pulled outward, and the upper end of the flexible material connection ring 19 is in a larger opening state. Figure 4 As shown; at this time, the flexible material connection ring 19 is completely hidden in the annular cavity 17, so that it will not hinder the falling of the coal slag 30; when the magnetic object 31 adsorbed on the surface of the movable cone cover 14 is unloaded, the flexible material connection ring 19 switches to the expanded state, the telescopic drive member 20 extends outward, and the upper end of the flexible material connection ring 19 extends out of the annular cavity 17 and is located below the bottom edge of the movable cone cover 14, so that the magnetic object 31 (iron particles) sliding down from the movable cone cover 14 can just fall on the flexible material connection ring 19, and the magnetic object 31 falls along the flexible material connection ring 19 to the discharge port 18 on the side of the annular cavity 17 and is discharged outward through the discharge port 18.

[0033] In this embodiment, the telescopic driving member 20 is a cylinder.

[0034] In this embodiment, the flexible material receiving ring 19 is made of rubber, and the thickness of the flexible material receiving ring 19 is 2-3 millimeters. The movable conical cover 14 is made of plastic.

[0035] Specifically, the material crushing device includes a fixed cylinder 8 and a second motor 10. The fixed cylinder 8 is connected to the inner wall of the material cylinder 1 through connecting rib plates 9. A plurality of radially movable rods 21 are arranged in the circumferential direction of the fixed cylinder 8, and the radially movable rods 21 can move along the radial direction of the fixed cylinder 8. A pressing plate 22 is arranged at one end of the radially movable rod 21 outside the fixed cylinder 8, and a sliding shaft 25 is arranged at one end of the radially movable rod inside the fixed cylinder 8. A driving disk 12 is arranged in the fixed cylinder 8, and a plurality of inclined slots 24 corresponding to the sliding shafts 25 are arranged on the driving disk 12. An included angle is formed between the inclined slots 24 and the diameter direction of the driving disk 12, and the driving shaft extends into the inclined slots 24. The driving disk 12 is connected to the second motor 10 through a transmission shaft 11, and the driving disk 12 is driven to rotate by the second motor 10.

[0036] Among them, a plurality of guide holes are arranged in the circumferential direction of the fixed cylinder 8, and the cross-section of the guide holes is the same as that of the radially movable rods 21; the radially movable rods 21 pass through the guide holes. The second motor 10 is arranged at the upper end of the fixed cylinder 8. When the second motor 10 drives the driving disk 12 to rotate, the sliding shaft 25 will move in the inclined slots 24. Under the cooperation of the inclined slots 24 and the sliding shaft 25, the radially movable rods 21 are driven to move along the radial direction of the material cylinder 1, and then the pressing plate 22 is driven to move; when the pressing plate 22 moves towards the inner wall of the material cylinder 1, the cinder 30 between the pressing plate 22 and the inner wall of the material cylinder 1 will be subjected to the pressing action of the pressing plate 22, so as to be crushed into cinder blocks with smaller volume, so as to ensure that the cinder blocks can smoothly enter the abrasive ring gap 4; on the contrary, when the pressing plate 22 moves towards the outer wall of the fixed cylinder 8, the cinder 30 between the pressing plate 22 and the outer wall of the fixed cylinder 8 will be subjected to the extrusion action of the pressing plate 22 and thus be crushed into cinder blocks with smaller volume, ensuring that the cinder blocks can smoothly enter the abrasive ring gap 4. By applying pressure to the cinder 30 through the material crushing device, the cinder 30 is broken into cinder blocks with smaller volume, ensuring that the cinder 30 can enter the abrasive ring gap 4 and avoiding reducing the abrasive efficiency due to material blockage.

[0037] Among them, the included angle between the inclined slots 24 and the diameter direction of the driving disk 12 is 45 degrees.

[0038] The present invention is not limited to the above-mentioned best embodiment. Anyone can obtain other various forms of products under the inspiration of the present invention. However, no matter what changes are made in its shape or structure, as long as it has the same or similar technical solutions as the present application, it falls within the protection scope of the present invention.

Claims

1. A coal slag treatment device for thermal power engineering, characterized in that: It includes a barrel, in which an abrasive disc, a material crushing device and a dispersion cone cover are arranged in sequence from bottom to top, and an electromagnet is arranged on the inner side of the dispersion cone cover; the abrasive disc is connected to a first motor, and the abrasive disc is driven to rotate by the first motor; an abrasive annular gap is formed between the abrasive disc and the inner wall of the barrel, a feed port is arranged at the upper end of the barrel, and a discharge port is arranged at the lower end of the barrel; a movable cone cover is arranged above the dispersion cone cover, and a lifting drive device for driving the movable cone cover to move up and down is arranged in the dispersion cone cover; the movable cone cover is driven to move between the lower end position and the upper end position by the lifting drive device; when the movable cone cover is at the lower end position, the movable cone cover fits with the dispersion cone cover.

2. The slag treatment device for thermal power engineering according to claim 1, characterized in that: An annular cavity is provided on the side of the barrel, the annular cavity is located below the dispersion cone cover, a flexible material receiving ring is provided in the annular cavity, the lower end of the flexible material receiving ring is connected to the bottom of the annular cavity, a plurality of telescopic driving members are evenly arranged on the outside of the annular cavity, the upper end of the flexible material receiving ring is connected to the telescopic driving member, and the upper end of the flexible material receiving ring is driven by the telescopic driving member to move along the radial direction of the barrel; the flexible material receiving ring is switched between a contracted state and an expanded state by the telescopic driving member; When the telescopic driving member is in an extended state, the flexible material receiving ring is in an extended state; when the telescopic driving member is in a retracted state, the flexible material receiving ring is in a contracted state; a plurality of discharge ports are arranged on the outer side of the annular cavity; When unloading the magnetic objects adsorbed on the surface of the movable cone cover, the telescopic drive member drives the flexible material receiving ring to switch to the expanded state, and the lifting drive device drives the movable cone cover to move to the upper end position to separate the movable cone cover from the fixed cone cover, and the magnetic objects slide along the outer surface of the movable cone cover to the flexible material receiving ring below.

3. The slag treatment device for thermal power engineering according to claim 2, characterized in that: The telescopic driving member is a cylinder.

4. The slag treatment device for thermal power engineering according to claim 2, characterized in that: The flexible material connection ring is made of rubber, and the thickness of the flexible material connection ring is 2-3 mm.

5. The slag treatment device for thermal power engineering according to claim 2, characterized in that: The movable cone cover is made of plastic.

6. The slag treatment device for thermal power engineering according to claim 1, characterized in that: The material crushing device includes a fixed cylinder and a second motor. The fixed cylinder is connected to the inner wall of the barrel by a connecting rib plate. A plurality of radial movable rods are arranged in the circumferential direction of the fixed cylinder, and the radial movable rods can move radially along the fixed cylinder. A pressure plate is arranged at one end of the radial movable rod located outside the fixed cylinder, and a sliding shaft is arranged at one end of the radial movable rod located inside the fixed cylinder. A driving disk is arranged in the fixed cylinder, and a plurality of inclined grooves corresponding to the sliding shaft are arranged on the driving disk, and an angle is formed between the inclined groove and the diameter direction of the driving disk, and the driving shaft extends into the inclined groove. The driving disk is connected to the second motor through a transmission shaft, and the driving disk is driven to rotate by the second motor.

7. The slag treatment device for thermal power engineering according to claim 6, characterized in that: The angle between the inclined groove and the diameter direction of the driving disc is 45 degrees.

8. The slag treatment device for thermal power engineering according to claim 1, characterized in that: The first motor is arranged at the lower end of the barrel, and a protective cover is arranged on the outer side of the first motor.

9. The slag treatment device for thermal power engineering according to claim 1, characterized in that: The gap width of the abrasive annular gap gradually decreases from top to bottom.

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