CN217164667U

CN217164667U - Micro powder ball mill

Info

Publication number: CN217164667U
Application number: CN202123002456.6U
Authority: CN
Inventors: 侯宪武
Original assignee: Shandong Chenyue Heavy Machinery Co ltd
Current assignee: Shandong Chenyue Heavy Machinery Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-08-12
Anticipated expiration: 2031-12-02

Abstract

The utility model belongs to the technical field of ball mills, and relates to a micro powder ball mill, which comprises a mill cylinder body, wherein both ends of the mill cylinder body are respectively provided with a material inlet and a product outlet, one end of the interior of the mill cylinder body, which is close to the material inlet, is provided with a compartment plate, the compartment plate comprises an outer ring, a plurality of front activation lining plates are arranged inside the mill cylinder body between the compartment plate and the material inlet, and a plurality of rear activation lining plates are arranged inside the mill cylinder body between the compartment plate and the product outlet; the outer ring of partition board is become by polylith sector annular ejection of compact comb board, and sector annular ejection of compact comb board includes sector annular braced frame and sieve piece, and braced frame goes out more to be equipped with the screw hole, and the sieve piece passes through bolt fixed connection with braced frame, and processing has little crack on the sieve piece, and sector annular braced frame and mill barrel body inner wall fixed connection. Compared with the prior art, the utility model can effectively improve the grinding time of the materials and the grinding fineness of the materials; and the partition plate is wear-resistant, not easy to block and easy to replace.

Description

Micro powder ball mill

Technical Field

The utility model relates to a ball mill technical field specifically indicates miropowder ball mill.

Background

The ball mill is a common grinding device, the longest of the existing ball mill can reach 13m-14m, and materials are difficult to reach 500m after being ground by the existing ball mill ² The specific surface area of the material is more than kg, and the main reason is that the grinding time of the material in the ball mill is insufficient; and the partition plate used in the prior ball mill is easy to wear and block, is inconvenient to replace and influences the production efficiency.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the technical defects, and provide a grinding machine which can effectively improve the grinding time of materials and effectively improve the grinding fineness of the materials; and the partition plate is wear-resistant, is not easy to block and is easy to replace.

In order to solve the technical problem, the utility model provides a technical scheme does: the micro powder ball mill comprises a mill cylinder body, wherein a material inlet and a product outlet are respectively arranged at two ends of the mill cylinder body, a bin separation plate is arranged at one end, close to the material inlet, in the mill cylinder body, the bin separation plate comprises an outer ring, the inner diameter of the outer ring is connected with a fixing ring, a protective net is fixed on the inner circumference of the fixing ring, a plurality of front activation lining plates are arranged between the bin separation plate and the material inlet in the mill cylinder body, and a plurality of rear activation lining plates are arranged between the bin separation plate and the product outlet in the mill cylinder body; the outer ring circular ring of the partition plate consists of a plurality of fan-shaped discharge grid plates, each fan-shaped discharge grid plate comprises a fan-shaped support frame and a screen sheet, the fan-shaped support frame is fixedly connected with the inner wall of the mill cylinder body, the fan-shaped support frame is fixedly connected with the screen sheet through bolts, and small grid seams are machined on the screen sheet;

the mill cylinder body is connected with a wind pressure machine, grinding media are placed in the mill cylinder body, and grinding meeting requirements under the action of air flow is discharged out of the mill cylinder body along with the air flow and then collected.

Further, the post-activation liner comprises a first activation liner and a second activation liner, the second activation liner is arranged between the first activation liner and the product outlet; the second activation lining plate comprises a second annular plate, a second material passing hole is formed in the inner diameter of the second annular plate, the second annular plate is composed of a plurality of fan-shaped annular blind plates, a second connecting plate is arranged on the outer rings of the fan-shaped annular blind plates, and the second connecting plate is fixedly connected with the inner wall of the mill barrel body.

Furthermore, first activation welt and preceding activation welt all include annular plate one, and an annular plate internal diameter department is equipped with through material hole one, and annular plate one comprises polylith fan ring shape striker plate, fan ring shape striker plate middle part is equipped with the material passing hole, fan ring shape striker plate outer lane is equipped with connecting plate one, connecting plate one and mill barrel body inner wall fixed connection.

Furthermore, movable holes are formed in one end, close to the connecting plate II, of the fan-shaped annular blind plate and one end, close to the connecting plate I, of the fan-shaped baffle plate, movable blocks are plugged in the movable holes, and the movable blocks are connected with the fan-shaped annular blind plate or the fan-shaped baffle plate through bolts.

Further, the number of the front activated lining plates is 1-6.

Furthermore, the number of the first activation lining plates is 4-10, and the number of the second activation lining plates is 3-6.

Further, the length of the mill cylinder body is 14m-18 m.

Compared with the prior art, the utility model the advantage lie in:

increasing a plurality of front activation lining plates and a plurality of rear activation lining plates, so that a two-bin mill or a three-bin mill of the conventional ball mill is changed into a multi-bin mill, the flow speed of materials is greatly reduced, the grinding fineness of the materials is improved after the grinding time is prolonged, and the specific surface area of the materials for grinding is stabilized over 700 square meters per kilogram; the sector annular discharging grid plate forming the partition plate outer ring comprises a sector annular supporting frame and screen pieces, the supporting strength of the sector annular supporting frame is high, the sector annular supporting frame is not prone to deformation, the screen pieces and the sector annular supporting frame are convenient to disassemble and assemble, and replacement and maintenance are facilitated.

Drawings

FIG. 1 is a schematic view of a micro powder ball mill;

FIG. 2 is a schematic view of the structure of a partition plate;

FIG. 3 is a schematic view of a fan-shaped discharge grate plate structure;

FIG. 4 is a schematic view of a second activating lining plate;

FIG. 5 is a front view of a fan-shaped blind plate;

FIG. 6 is a right side view of the fan-shaped blind plate;

FIG. 7 is a schematic view of a first activated liner;

FIG. 8 is a front view of the fan-shaped striker plate;

fig. 9 is a right side view of the fan-shaped striker plate.

In the figure: 1. a mill barrel body; 2. a material inlet; 3. a partition panel; 4. post-activating the lining plate; 5. a product outlet; 6. a fan-shaped discharge grate plate; 7. screening sheets; 8. a protective net; 9. a fixing ring; 10. a small grate gap; 11. a second material passing hole; 12. a second activation liner; 13. a movable block; 14. a second connecting plate; 15. a first material passing hole; 16. a first connecting plate; 17. a material passing hole; 18. a first activation liner; 19. pre-activating the lining plate; 20. a fan ring shaped support frame; 21. a fan-shaped blind plate; 22. sector annular striker plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-9, the micro powder ball mill of the present invention comprises a mill cylinder body 1, wherein both ends of the mill cylinder body 1 are respectively provided with a material inlet 2 and a product outlet 5, one end of the interior of the mill cylinder body 1 close to the material inlet 2 is provided with a compartment plate 3, the compartment plate 3 comprises an outer ring, the inner diameter of the outer ring is connected with a fixing ring 9, the inner periphery of the fixing ring 9 is fixed with a protective net 8, a plurality of front activation lining plates 19 are arranged inside the mill cylinder body 1 between the compartment plate 3 and the material inlet 2, and a plurality of rear activation lining plates 4 are arranged inside the mill cylinder body 1 between the compartment plate 3 and the product outlet 5; the outer ring circular ring of partition plate 3 comprises polylith sector annular ejection of compact comb board 6, and sector annular ejection of compact comb board 6 includes sector annular braced frame 20 and sieve piece 7, and braced frame 20 goes out more and is equipped with the screw hole, and sieve piece 7 passes through bolt fixed connection with braced frame 20, and the last processing of sieve piece 7 has little crack 10, and sector annular braced frame 20 and mill barrel body 1 inner wall fixed connection.

The post-activation liner 4 comprises a first activation liner 18 and a second activation liner 12, the second activation liner 12 being disposed between the first activation liner 18 and the product outlet 5; the second activation lining plate 12 comprises a second annular plate, a second material passing hole 11 is formed in the inner diameter of the second annular plate, the second annular plate is composed of a plurality of fan-shaped annular blind plates 21, a second connecting plate 14 is arranged on the outer ring of each fan-shaped annular blind plate 21, and the second connecting plate 14 is fixedly connected with the inner wall of the mill barrel body 1. The arrangement of the second activation lining plate 12 further slows down the flowing speed of the materials, and the materials can be ground more finely. First activation welt 18 and preceding activation welt 19 all include annular plate one, and annular plate one internal diameter department is equipped with material through hole 15, and annular plate one comprises polylith fan annular striker plate 22, and fan annular striker plate 22 middle part is equipped with material through hole 17, and fan annular striker plate 22 outer lane is equipped with connecting plate 16, connecting plate 16 and 1 inner wall fixed connection of mill barrel body. The first activated lining plate 18 and the front activated lining plate 19 slow down the flow speed of the materials to a certain extent, and can be ground more finely.

And movable holes are formed in one end, close to the second connecting plate 14, of the fan-shaped annular blind plate 21 and one end, close to the first connecting plate 16, of the fan-shaped annular material baffle 22, movable blocks 13 are plugged in the movable holes, and the movable blocks 13 are connected with the fan-shaped annular blind plate 21 or the fan-shaped annular material baffle 22 through bolts. After production is completed, the microspheres can be accumulated between two adjacent front activation lining plates 19 or two adjacent rear activation lining plates 4, manual cleaning wastes time and labor, labor intensity is high, after the movable holes and the movable blocks 13 are arranged, when the accumulated microspheres are required to be cleaned, the movable blocks 13 are detached, then the grinding machine is rotated, the microspheres can be automatically discharged to the rear end of the grinding machine through the movable holes, the grinding media can be collected by opening the end cover of the grinding machine, and the grinding machine is simple and convenient and high in working efficiency.

The number of the front activation lining boards 19 is 1-6, the number of the first activation lining boards 18 is 4-10, the number of the second activation lining boards 12 is 3-6, and the thickness of the sieve sheets 7 is 5mm-7 mm. Sieve piece 7 among the prior art is generally too thin, generally is 2mm, and the comb hole is made for the punching press, and sieve piece 7 receives the impact yielding, easily takes place to block up after the comb hole warp, the utility model discloses well sieve piece 7's thickness is 5mm-7mm, and little comb seam 10 adopts laser cutting to make, and sieve piece 7 is thick is difficult for taking place crack deformation, long service life.

The length of the mill cylinder body 1 is 14m-18m, and the length of the mill cylinder body 1 is increased, so that the grinding time of materials in the ball mill is prolonged, and the grinding is finer.

The utility model discloses when concrete implementation: the mill cylinder body 1 is connected with a wind pressure machine, grinding media are placed in the mill cylinder body 1, grinding meeting requirements under the action of air flow is discharged out of the mill cylinder body 1 along with the air flow and then collected. A plurality of front activation lining plates 19 and a plurality of rear activation lining plates 4 are added, so that a two-bin mill or a three-bin mill of the conventional ball mill is changed into a multi-bin mill, the flowing speed of materials is greatly slowed down, and the grinding time is prolonged, and the grinding fineness of the materials is improved; the sector annular discharging grate plate 6 forming the circular ring of the outer ring of the partition plate 3 comprises a sector annular supporting frame 20 and sieve pieces 7, the supporting strength of the sector annular supporting frame 20 is high, the sieve pieces 7 and the sector annular supporting frame 20 are not easy to deform, the sieve pieces 7 and the sector annular supporting frame 20 are convenient to disassemble and assemble, the small grate seam 10 is conveniently replaced and maintained, the small grate seam 10 is machined on the sieve pieces 7, the width of the small grate seam 10 is about 2mm, the utility model discloses a grinding ball diameter is 4mm-10mm, and the grinding balls in the mill cylinder body 1 are not easy to be stuffed into the small grate seam 10.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they can devise similar structural modes and embodiments without departing from the spirit of the present invention, and shall fall within the protection scope of the present invention.

Claims

1. Micro powder ball mill, including mill barrel body (1), mill barrel body (1) both ends are equipped with material import (2) and product outlet (5) respectively, the inside one end that is close to material import (2) of mill barrel body (1) is equipped with partition board (3), partition board (3) are including the outer lane ring, and outer lane ring internal diameter is connected with solid fixed ring (9), gu be fixed with protection network (8), its characterized in that in fixed ring (9): a plurality of front activation lining plates (19) are arranged between the partition plate (3) and the material inlet (2) in the mill cylinder body (1), and a plurality of rear activation lining plates (4) are arranged between the partition plate (3) and the product outlet (5) in the mill cylinder body (1); the outer lane ring of partition panel (3) is become by polylith fan annular ejection of compact comb board (6), fan annular ejection of compact comb board (6) are including fan annular braced frame (20) and sieve piece (7), fan annular braced frame (20) and mill barrel body (1) inner wall fixed connection, fan annular braced frame (20) pass through bolt fixed connection with sieve piece (7), it has little crack (10) to process on sieve piece (7).

2. The attritor mill according to claim 1, characterized in that: the post-activation liner (4) comprises a first activation liner (18) and a second activation liner (12), the second activation liner (12) being disposed between the first activation liner (18) and the product outlet (5); the second activation welt (12) include annular plate two, and two internal diameter departments of annular plate are equipped with feed through hole two (11), and annular plate two comprises polylith fan annular blind plate (21), fan annular blind plate (21) outer lane is equipped with connecting plate two (14), connecting plate two (14) and mill barrel body (1) inner wall fixed connection.

3. The attritor mill according to claim 2, characterized in that: first activation welt (18) and preceding activation welt (19) all include annular plate one, and annular plate one internal diameter department is equipped with through material hole one (15), and annular plate one comprises polylith fan annular striker plate (22), fan annular striker plate (22) middle part is equipped with punishment hole (17), fan annular striker plate (22) outer lane is equipped with connecting plate one (16), connecting plate one (16) and mill barrel body (1) inner wall fixed connection.

4. The attritor mill according to claim 3, characterized in that: one end of the fan-shaped blind plate (21) close to the second connecting plate (14) and one end of the fan-shaped striker plate (22) close to the first connecting plate (16) are both provided with movable holes, movable blocks (13) are plugged in the movable holes, and the movable blocks (13) are connected with the fan-shaped blind plate (21) or the fan-shaped striker plate (22) through bolts.

5. The attritor mill according to claim 1, characterized in that: the number of the front activation lining plates (19) is 1-6.

6. The micro powder ball mill according to claim 2, characterized in that: the number of the first activation lining boards (18) is 4-10, and the number of the second activation lining boards (12) is 3-6.

7. The attritor mill according to claim 1, characterized in that: the thickness of the sieve sheet (7) is 5mm-7 mm.

8. The micro powder ball mill according to any one of claims 1 to 7, characterized in that: the length of the mill cylinder body (1) is 14-18 m.