CN114289111A - High-pressure vertical roller mill for green mine - Google Patents
High-pressure vertical roller mill for green mine Download PDFInfo
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- CN114289111A CN114289111A CN202111480109.6A CN202111480109A CN114289111A CN 114289111 A CN114289111 A CN 114289111A CN 202111480109 A CN202111480109 A CN 202111480109A CN 114289111 A CN114289111 A CN 114289111A
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Abstract
The invention discloses a high-pressure vertical roller mill for green mines, which comprises a roller mill body, wherein a pretreatment box is arranged on the outer wall of the top of the roller mill body, a feed hopper is arranged on the outer wall of the top of the pretreatment box, two cylinders are fixedly connected inside the pretreatment box, a vertical surface is arranged on one side of each cylinder, a crushing roller is sleeved outside each cylinder, the axis of each cylinder is not overlapped with the axis of each crushing roller, the distance between the vertical surface on one side of each cylinder and the inner wall on one side of each crushing roller is the largest, a plurality of crushing teeth are slidably connected to the outer wall of each crushing roller, a push plate is fixedly connected to one end of each crushing tooth, a second connecting spring is arranged between each push plate and the inner wall of each crushing roller, the second connecting spring is sleeved on the outer wall of each crushing tooth, and a knocking mechanism is arranged on the vertical surface on one side of each cylinder. When the crushing roller is used for pretreating and crushing mineral aggregates, the crushing teeth can continuously enter and exit on the crushing roller, so that scraps attached or stuck on the surface of the crushing roller can be removed, and the influence of the scraps on the crushing efficiency is avoided.
Description
Technical Field
The invention relates to the technical field of vertical roller mills, in particular to a high-pressure vertical roller mill for a green mine.
Background
The vertical roller mill is a vertical mill for short, is used for grinding and processing cement raw materials, cement clinker, slag and coal cinder, and has the characteristics of simple structure and low manufacturing and using cost. It mainly comprises a machine body, a grinding disc device and a transmission device.
The vertical roller mill is an important device in a mine, and is used for processing slag, after the slag is ground by a grinding disc, large particles are brought by wind force to directly fall on the grinding disc for grinding again, when materials in airflow pass through an upper separator, under the action of a rotating rotor, coarse powder falls on the grinding disc from a cone hopper for grinding again, qualified fine powder is discharged out of the mill along with the airflow and is collected by a dust collecting device to obtain a product, and when the slag is processed by the vertical roller mill, a plurality of large slag are generated, and when the slag is gathered together and enters the vertical roller mill, the slag is easy to block, and the large slag can influence the grinding efficiency.
In view of the above, the invention provides a high-pressure vertical roller mill for green mines, which is used for solving the problems in the prior art.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-pressure vertical roller mill for green mines.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a vertical roller mill of green mine high pressure, includes the roller mill body, roller mill body top outer wall is equipped with the preliminary treatment case, and preliminary treatment roof portion outer wall is equipped with the feeder hopper, two cylinders of the inside fixedly connected with of preliminary treatment case, and cylinder one side are equipped with vertical face, the cylinder outside all overlaps and is equipped with crushing roller, and cylinder axle center and crushing roller axle center do not coincide, the vertical face and the crushing roller one side inner wall distance of cylinder one side are the biggest, every crushing roller outer wall sliding connection has a plurality of crushing teeth, and smashes the equal fixedly connected with push pedal of tooth one end, all be equipped with connecting spring two between push pedal and the crushing roller inner wall, and connecting spring two locates crushing tooth outer wall, the vertical face in cylinder one side is equipped with knocking mechanism.
Further, knocking mechanism includes the installation cavity, the installation cavity sets up inside the cylinder, and installation cavity one side sliding connection has the guide arm, guide arm one end fixedly connected with magnet two, the inside magnet one that all is equipped with of push pedal, magnet one and magnet two mutual repulsion.
Furthermore, the other end of the guide rod is provided with an insulation board, a third connecting spring is arranged between the insulation board and the inner wall of one side of the installation cavity, the outer wall of one side of the insulation board is fixedly connected with a first contact switch, and the inner wall of one side of the installation cavity is provided with a second contact switch.
Furthermore, an electric push rod is inlaid in the vertical face of one side of the cylinder, a buffering wheel is arranged at one end of the electric push rod, and the electric push rod is electrically connected with the first contact switch and the second contact switch.
Furthermore, a material guide plate II and a guide wheel II are arranged below the crushing roller, one end of the material guide plate II is hinged to the inner wall of the pretreatment box, a spring is arranged between the material guide plate II and the pretreatment box, and a traction rope is arranged at one end of the material guide plate II.
Furthermore, an L-shaped groove is formed in one side of the second guide wheel, a first guide wheel is arranged above the inside of the L-shaped groove, a sliding groove is formed in the outer wall of the bottom of the L-shaped groove, and one end of the traction rope extends into the L-shaped groove through the second guide wheel, the L-shaped groove and the first guide wheel.
Furthermore, the inner wall of the sliding groove is provided with a screening plate, one end of the screening plate is hinged to the inner wall of one side of the pretreatment tank, a first connecting spring is arranged between the screening plate and the inner wall of the top of the sliding groove, and one end of the traction rope is fixedly connected to the outer wall of the top of the screening plate.
Further, pretreatment tank one side outer wall is equipped with the feed back case, and the feed back case top rotates and is connected with the rotation axis, and screening board one end is equipped with opening and feed back case intercommunication.
Further, the outer wall of the rotating shaft is fixedly connected with a spiral auger, the top of the rotating shaft is provided with a rotating motor, a feeding hole is formed above the joint of the feed back box and the pretreatment box, and a first material guide plate is arranged inside the feeding hole.
The invention has the beneficial effects that:
1. according to the invention, mineral materials enter the pretreatment box through the feed hopper, the two crushing rollers in the pretreatment box rotate, and in the process, the axes of the crushing rollers do not coincide with the axes of the cylinders in the pretreatment box, so that when the crushing rollers rotate, part of crushing teeth on the outer walls of the crushing rollers contact with the outer walls of the cylinders, and along with the rotation of the crushing rollers, part of the crushing teeth rotate to the place with the smallest distance between the cylinders and the inner walls of the crushing rollers, so that the crushing teeth extend out of the rotating rollers to crush the mineral materials, and the process is repeated in such a circulating way, so that the crushing teeth can continuously enter and exit from the crushing rollers, and thus, waste chips attached to or stuck to the surfaces of the crushing rollers can be removed, and the influence of the waste chips on the crushing efficiency is avoided.
2. In the invention, in the rotation process of the crushing roller, a magnet in a push plate at one end of each crushing tooth meets a magnet II at one end of a guide rod for a moment, under the action of a repulsive force between the magnet I and the magnet II, a contact switch I on an insulating plate is contacted with the contact switch II through the guide rod, so that an electric push rod is electrified, and the electric push rod impacts corresponding crushing teeth through a buffer wheel, so that the crushing teeth shake under the coordination of a connecting spring II, the fragments on the surfaces of the crushing teeth can be further removed, and the crushing effect is further improved.
3. According to the invention, the crushed ore materials crushed by the crushing roller are hit to the second guide plate under the action of self gravity, so that the second guide plate is vibrated continuously, and in the vibrating process of the second guide plate, one end of the second guide plate can pull one end of the screening plate to vibrate continuously in the sliding groove through the traction rope, so that the qualified crushed ore materials can be screened out quickly, the screening efficiency is accelerated, and the secondary treatment of the crushed ore materials by the roller mill body is facilitated.
4. According to the invention, unqualified crushed mineral aggregates screened by the screening plate enter the feed back box, the rotary motor at the top of the feed back box drives the spiral auger to rotate through the rotating shaft, the unqualified crushed mineral aggregates accumulated at the bottom of the spiral auger can be conveyed to the top of the spiral auger, and then the crushed mineral aggregates enter between the two crushing rollers through the feeding hole and the guide plate to be crushed for the second time, so that the unqualified crushed mineral aggregates are not required to be manually treated, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a high-pressure vertical roller mill for green mines;
FIG. 2 is a schematic sectional structure view of a pretreatment tank of a high-pressure vertical roller mill for green mines;
FIG. 3 is an enlarged schematic view of the structure at the position A of the high-pressure vertical roller mill for green mines;
FIG. 4 is a schematic sectional structure view of a crushing roller of a high-pressure vertical roller mill for green mines;
fig. 5 is an enlarged schematic view of the structure at the position B of the high-pressure vertical roller mill for the green mine.
In the figure: 1-roller mill body, 2-pretreatment box, 3-feed hopper, 4-rotating motor, 5-feed back box, 6-guide plate I, 7-feed inlet, 8-guide plate II, 9-spiral auger, 10-rotating shaft, 11-screening plate, 12-sliding groove, 13-connecting spring I, 14-L-shaped groove, 15-guide wheel I, 16-guide wheel II, 17-traction rope, 18-crushing roller, 19-crushing tooth, 20-connecting spring II, 21-push plate, 22-cylinder, 23-magnet I, 24-magnet II, 25-guide rod, 26-connecting spring III, 27-installation cavity, 28-insulation plate, 29-contact switch I, 30-contact switch II, 31-electric push rod, 32-buffer wheel.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-5, a vertical roller mill of green mine high pressure, including roller mill body 1, 1 top outer wall of roller mill body is equipped with pretreatment tank 2, and pretreatment tank 2 top outer wall is equipped with feeder hopper 3, two cylinders 22 of the inside fixedly connected with of pretreatment tank 2, and cylinder 22 one side is equipped with vertical face, cylinder 22 outside all overlaps and is equipped with crushing roller 18, and cylinder 22 axle center and 18 axle centers of crushing roller do not coincide, the vertical face of cylinder 22 one side is the biggest with 18 one side inner wall distance of crushing roller, 18 outer wall sliding connection of every crushing roller has a plurality of crushing teeth 19, and the equal fixedly connected with push pedal 21 of 19 one end of crushing teeth, all be equipped with connecting spring two 20 between push pedal 21 and the 18 inner wall of crushing roller, and connecting spring two 20 covers and locates the outer wall of crushing teeth 19, the vertical face of 22 one side of cylinder is equipped with knocking mechanism.
In the invention, the knocking mechanism comprises a mounting cavity 27, the mounting cavity 27 is arranged in the cylinder 22, one side of the mounting cavity 27 is connected with a guide rod 25 in a sliding manner, one end of the guide rod 25 is fixedly connected with a second magnet 24, the first magnets 23 are arranged in the push plates 21, and the first magnets 23 and the second magnets 24 repel each other, so that the first magnets 23 in the push plates 21 at one ends of the crushing teeth 19 and the second magnets 24 at one ends of the guide rods 25 meet each other in the rotating process of the crushing roller 18.
In the invention, the other end of the guide rod 25 is provided with an insulating plate 28, a third connecting spring 26 is arranged between the insulating plate 28 and the inner wall of one side of the installation cavity 27, the outer wall of one side of the insulating plate 28 is fixedly connected with a first contact switch 29, and the inner wall of one side of the installation cavity 27 is provided with a second contact switch 30, so that the first contact switch 29 on the insulating plate 28 is contacted with the second contact switch 30 through the guide rod 25 under the action of repulsive force between the first magnet 23 and the second magnet 24.
In the invention, an electric push rod 31 is embedded on the vertical surface of one side of the cylinder 22, one end of the electric push rod 31 is provided with a buffer wheel 32, the electric push rod 31 is electrically connected with the first contact switch 29 and the second contact switch 30, so that the electric push rod 31 is electrified, the electric push rod 31 impacts the corresponding crushing teeth 19 through the buffer wheel 32, the crushing teeth 19 are shaken under the matching of the second connecting spring 20, and the fragments on the surfaces of the crushing teeth 19 can be further removed.
According to the invention, a material guide plate II 8 and a guide wheel II 16 are arranged below the crushing roller 18, one end of the material guide plate II 8 is hinged to the inner wall of the pretreatment tank 2, a spring is arranged between the material guide plate II 8 and the pretreatment tank 2, and one end of the material guide plate II 8 is provided with a traction rope 17, so that crushed ore materials crushed by the crushing roller 18 are thrown to the guide plate II 8 under the action of self gravity, and the guide plate II 8 is enabled to shake continuously.
In the invention, one side of the guide wheel II 16 is provided with an L-shaped groove 14, the upper part of the inside of the L-shaped groove 14 is provided with the guide wheel I15, the outer wall of the bottom of the L-shaped groove 14 is provided with a sliding groove 12, and one end of the traction rope 17 extends into the L-shaped groove 14 through the guide wheel II 16, the L-shaped groove 14 and the guide wheel I15, so that one end of the traction rope 17 can continuously pull the traction rope 17 in the shaking process of the guide plate II 8.
According to the invention, the sieving plate 11 is arranged on the inner wall of the sliding groove 12, one end of the sieving plate 11 is hinged to the inner wall of one side of the pretreatment tank 2, the connecting spring I13 is arranged between the sieving plate 11 and the inner wall of the top of the sliding groove 12, and one end of the traction rope 17 is fixedly connected to the outer wall of the top of the sieving plate 11, so that one end of the sieving plate 11 can continuously shake in the sliding groove 12, and crushed and qualified mineral materials can be quickly sieved out, the sieving efficiency is accelerated, and secondary treatment of the crushed mineral materials by the roller mill body 1 is facilitated.
In the invention, the outer wall of one side of the pretreatment box 2 is provided with the material return box 5, the top of the material return box 5 is rotatably connected with the rotating shaft 10, one end of the screening plate 11 is provided with an opening communicated with the material return box 5, so that unqualified crushed mineral materials can enter the material return box 5.
According to the invention, the outer wall of the rotating shaft 10 is fixedly connected with the spiral auger 9, the top of the rotating shaft 10 is provided with the rotating motor 4, the feed inlet 7 is arranged above the joint of the feed back box 5 and the pretreatment box 2, and the first guide plate 6 is arranged inside the feed inlet 7, so that unqualified crushed mineral aggregates accumulated at the bottom of the feed back box can be conveyed to the top by the rotation of the spiral auger 9, and then enter between the two crushing rollers 18 through the feed inlet 7 and the first guide plate 6 to be crushed for the second time.
The working principle is as follows: mineral aggregate enters the pretreatment box 2 through the feed hopper 3, two crushing rollers 18 in the pretreatment box 2 rotate, in the process, the axes of the crushing rollers 18 do not coincide with the axes of the cylinders 22 in the pretreatment box, therefore, when the crushing rollers 18 rotate, partial crushing teeth 19 on the outer walls of the crushing rollers contact with the outer walls of the cylinders 22, and along with the rotation of the crushing rollers 18, the partial crushing teeth 19 rotate to the place where the distance between the cylinders 22 and the inner walls of the crushing rollers 18 is minimum, so that the crushing teeth 19 extend out of the rotating rollers 18 to crush the mineral aggregate, the cyclic reciprocating motion can enable the crushing teeth 19 to continuously enter and exit on the crushing rollers 18, thereby removing the waste scraps attached or stuck on the surfaces of the crushing teeth and avoiding the influence of the waste scraps on the crushing efficiency, meanwhile, in the process of the rotation of the crushing rollers 18, a first magnet 23 in a push plate 21 at one end of each crushing tooth 19 meets a second magnet 24 at one end of a guide rod 25, under the action of repulsive force between the first magnet 23 and the second magnet 24, the first contact switch 29 on the insulating plate 28 is in contact with the second contact switch 30 through the guide rod 25, so that the electric push rod 31 is electrified, the electric push rod 31 impacts the corresponding crushing teeth 19 through the buffer wheel 32, the crushing teeth 19 are shaken under the matching of the second connecting spring 20, the fragments on the surfaces of the crushing teeth 19 can be further removed, and the crushing effect is further improved; the crushed ore materials crushed by the crushing roller 18 are hammered towards the second guide plate 8 under the action of self gravity, so that the second guide plate 8 is continuously shaken, and in the shaking process of the second guide plate 8, one end of the screening plate 11 can be pulled by a traction rope 17 to continuously shake in the sliding groove 12, thereby being capable of rapidly screening qualified crushed ore materials, accelerating the screening efficiency, facilitating the secondary treatment of the crushed ore materials by the roller mill body 1, the unqualified crushed mineral aggregates screened by the screening plate 11 enter the feed back box 5, the rotary motor 4 at the top of the feed back box 5 drives the spiral auger 9 to rotate through the rotary shaft 10, the unqualified crushed mineral aggregates accumulated at the bottom of the rotary auger can be conveyed to the top, then enters between the two crushing rollers 18 through the feeding hole 7 and the material guide plate 6 and is crushed for the second time, unqualified crushed mineral aggregate does not need to be manually processed, and the working efficiency is greatly improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The high-pressure vertical roller mill for the green mine comprises a roller mill body (1), wherein a pretreatment box (2) is arranged on the outer wall of the top of the roller mill body (1), and a feed hopper (3) is arranged on the outer wall of the top of the pretreatment box (2), and is characterized in that two cylinders (22) are fixedly connected inside the pretreatment box (2), a vertical surface is arranged on one side of each cylinder (22), a crushing roller (18) is sleeved outside each cylinder (22), the axis of each cylinder (22) is not overlapped with the axis of each crushing roller (18), the distance between the vertical surface on one side of each cylinder (22) and the inner wall on one side of each crushing roller (18) is the largest, a plurality of crushing teeth (19) are slidably connected on the outer wall of each crushing roller (18), a push plate (21) is fixedly connected to one end of each crushing tooth (19), a second connecting spring (20) is arranged between each push plate (21) and the inner wall of each crushing roller (18), and a second connecting spring (20) is sleeved on the outer wall of the crushing teeth (19), and a knocking mechanism is arranged on the vertical surface of one side of the cylinder (22).
2. The high-pressure vertical roller mill for the green mine according to claim 1, wherein the knocking mechanism comprises a mounting cavity (27), the mounting cavity (27) is arranged inside the cylinder (22), a guide rod (25) is slidably connected to one side of the mounting cavity (27), one end of the guide rod (25) is fixedly connected with a second magnet (24), a first magnet (23) is arranged inside the push plate (21), and the first magnet (23) and the second magnet (24) repel each other.
3. The high-pressure vertical roller mill for the green mine according to claim 2, characterized in that an insulating plate (28) is arranged at the other end of the guide rod (25), a third connecting spring (26) is arranged between the insulating plate (28) and the inner wall of one side of the installation cavity (27), a first contact switch (29) is fixedly connected to the outer wall of one side of the insulating plate (28), and a second contact switch (30) is arranged on the inner wall of one side of the installation cavity (27).
4. The high-pressure vertical roller mill for the green mine according to claim 3, characterized in that an electric push rod (31) is embedded in a vertical surface on one side of the cylinder (22), a buffer wheel (32) is arranged at one end of the electric push rod (31), and the electric push rod (31) is electrically connected with the first contact switch (29) and the second contact switch (30).
5. The high-pressure vertical roller mill for the green mine according to claim 1, characterized in that a second guide plate (8) and a second guide wheel (16) are arranged below the crushing roller (18), one end of the second guide plate (8) is hinged to the inner wall of the pretreatment tank (2), a spring is arranged between the second guide plate (8) and the pretreatment tank (2), and one end of the second guide plate (8) is provided with a traction rope (17).
6. The high-pressure vertical roller mill for the green mine according to claim 5, characterized in that one side of the second guide wheel (16) is provided with an L-shaped groove (14), a first guide wheel (15) is arranged above the inside of the L-shaped groove (14), the outer wall of the bottom of the L-shaped groove (14) is provided with a sliding groove (12), and one end of the traction rope (17) extends into the L-shaped groove (14) through the second guide wheel (16), the L-shaped groove (14) and the first guide wheel (15).
7. The high-pressure vertical roller mill for the green mine, according to claim 6, characterized in that the inner wall of the sliding chute (12) is provided with a screening plate (11), one end of the screening plate (11) is hinged to the inner wall of one side of the pretreatment tank (2), a first connecting spring (13) is arranged between the screening plate (11) and the inner wall of the top of the sliding chute (12), and one end of a traction rope (17) is fixedly connected to the outer wall of the top of the screening plate (11).
8. The high-pressure vertical roller mill for green mines according to claim 7, characterized in that the outer wall of one side of the pretreatment tank (2) is provided with a material return tank (5), the top of the material return tank (5) is rotatably connected with a rotating shaft (10), and one end of the screening plate (11) is provided with an opening communicated with the material return tank (5).
9. The high-pressure vertical roller mill for green mines according to claim 8, characterized in that a spiral auger (9) is fixedly connected to the outer wall of the rotating shaft (10), a rotating motor (4) is arranged at the top of the rotating shaft (10), a feeding port (7) is arranged above the joint of the feed back box (5) and the pretreatment box (2), and a first material guide plate (6) is arranged inside the feeding port (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111480109.6A CN114289111A (en) | 2021-12-06 | 2021-12-06 | High-pressure vertical roller mill for green mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111480109.6A CN114289111A (en) | 2021-12-06 | 2021-12-06 | High-pressure vertical roller mill for green mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114289111A true CN114289111A (en) | 2022-04-08 |
Family
ID=80965749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111480109.6A Withdrawn CN114289111A (en) | 2021-12-06 | 2021-12-06 | High-pressure vertical roller mill for green mine |
Country Status (1)
| Country | Link |
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| CN (1) | CN114289111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117399107A (en) * | 2023-11-28 | 2024-01-16 | 豫达建工集团有限公司 | Waste concrete waste residue recovery device for constructional engineering |
-
2021
- 2021-12-06 CN CN202111480109.6A patent/CN114289111A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117399107A (en) * | 2023-11-28 | 2024-01-16 | 豫达建工集团有限公司 | Waste concrete waste residue recovery device for constructional engineering |
| CN117399107B (en) * | 2023-11-28 | 2024-06-07 | 豫达建工集团有限公司 | Waste concrete waste residue recovery device for constructional engineering |
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Application publication date: 20220408 |
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