CN108704721B - Ball adding device for fine grinding equipment - Google Patents
Ball adding device for fine grinding equipment Download PDFInfo
- Publication number
- CN108704721B CN108704721B CN201810425040.9A CN201810425040A CN108704721B CN 108704721 B CN108704721 B CN 108704721B CN 201810425040 A CN201810425040 A CN 201810425040A CN 108704721 B CN108704721 B CN 108704721B
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- ball
- bin
- ball adding
- connecting pipe
- storage bin
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- 238000000227 grinding Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims description 64
- 238000003756 stirring Methods 0.000 claims description 45
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000001502 supplementing effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
- B02C17/205—Adding disintegrating members to the tumbling mill
Abstract
The invention discloses a ball adding device for fine grinding equipment, which comprises a ball adding bin which is vertically arranged, wherein a pipeline at the lower end of the ball adding bin is communicated with the inside of a barrel of an ore mill positioned right below the ball adding bin; the upper end of the ball adding bin is provided with a ball adding valve in airtight seal; an airtight closing valve is arranged between the ball adding bin and the cylinder; the upper part of the ball adding bin is communicated with a pressurized water source, and the lower part of the ball adding bin is communicated with a liquid recovery box; the invention can add balls without stopping the machine, and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of ore grinding equipment, in particular to a ball feeding device for fine grinding equipment.
Background
When the nonferrous metal ore dressing and fine grinding equipment executes open circuit ore grinding, the main machine is usually operated continuously in order to make the process flow continuously stable and save time. But the equipment is operated by periodically supplementing the grinding chamber with worn medium balls.
The invention patent application with the application number of 201610427544.5 discloses an automatic ball feeding device which is used for adding grinding balls into a ball mill. However, in the existing ore grinding machine, because positive pressure exists in the ore grinding chamber, pressurized ball supplement or shutdown ball supplement is needed, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to provide a ball feeding device for fine grinding equipment, which can feed balls without stopping and improve the production efficiency.
In order to solve the technical problem, the technical scheme of the invention is as follows: a ball adding device for fine grinding equipment comprises a vertically arranged ball adding bin, wherein a pipeline at the lower end of the ball adding bin is communicated with the inside of a barrel of an ore mill positioned right below the ball adding bin; the upper end of the ball adding bin is provided with a ball adding valve in airtight seal; an airtight closing valve is arranged between the ball adding bin and the cylinder body.
Further improved, the upper part of the ball adding bin is communicated with a pressurized water source, and the lower part of the ball adding bin is communicated with a liquid recovery box. And (3) introducing a pressurized water source into the ball adding bin, increasing the pressure in the ball adding bin, directly pressing the medium balls into the grinding chamber, and accelerating the speed of the medium balls in the ball adding bin entering the grinding chamber.
Further improved, the ball storage bin is communicated with a storage bin, the storage bin is positioned at the upper part of the ball storage bin, and the ball storage bin and the storage bin are communicated through a feed pipe which is obliquely arranged. A large number of medium balls are stored in the storage bin, and the discharge hole at the bottom of the storage bin is higher than the feed hole at the upper part of the Chu Qiu bin, so that the medium balls entering the feed pipe quickly enter the storage bin under the action of gravity; the manual repeated feeding is not needed, and the labor intensity is reduced.
Further improved, the upper end pipeline of the ball adding bin is communicated with Chu Qiucang right above the ball adding bin, the ball storing bin is provided with a motor and a transmission rod extending into the ball storing bin, and the bottom end of the transmission rod is provided with a stirring paddle; the stirring paddles comprise two stirring blades which are bilaterally symmetrical. The stirring paddle is arranged at the lower part of the ball storage bin to prevent medium balls entering the ball storage bin from the feeding pipe from accumulating at one side, so that the internal space of the ball storage bin is prevented from being underutilized; on the other hand, the two stirring blades which are bilaterally symmetrical fully and uniformly distribute the medium balls in the space at the bottom of the ball storage bin, so that the medium balls can enter the ball feeding bin under the action of gravity.
Further improved, the stirring blades are provided with triangular frames, a plurality of stirring rods which are vertically arranged are arranged in the frames towards the transmission rods, and the stirring rods on each stirring blade are gradually shortened towards the transmission rods. The stirring blade forms the stirring scope that is close to the side wall of the ball storage bin through the cooperation of frame and a plurality of puddlers and is big, and the stirring scope that is close to the central axis position of the ball storage bin is little, and the central axis from the ball storage bin is towards the side wall of the ball storage bin promptly, and the stirring that receives in the ball storage bin is little grow, gathers together the medium ball at ball storage bin edge constantly to ball storage bin center department, does benefit to the medium ball to add the internal transfer of ball bin.
Further improvement, an anti-blocking connecting pipe is arranged between the ball storage bin and the ball adding bin, and the upper part of the anti-blocking connecting pipe is a bucket-shaped part with a large upper part and a small lower part; the anti-blocking connecting pipe is provided with a dredging mechanism for applying external force to the medium ball. Because the medium balls are solid balls with smaller particle sizes, a large number of medium balls are easy to cause the phenomenon of accumulation in the pipe when passing through the anti-blocking connecting pipe, so that the medium balls cannot be smoothly transferred from the ball storage bin to the ball adding bin, the ball adding is influenced, and the production efficiency is reduced; therefore, the upper part of the anti-blocking connecting pipe communicated with the bottom of the ball storage bin is arranged to be a bucket-shaped part with a big upper part and a small lower part, and the movement of the medium ball is promoted through the inclination angle of the side wall, so that the medium ball is prevented from being blocked at the joint of the medium ball and the bucket-shaped part. In order to prevent blocking in the anti-blocking connecting pipe below the bucket-shaped part, a dredging mechanism is arranged in the anti-blocking connecting pipe, movement of medium balls in the anti-blocking connecting pipe is promoted through the dredging mechanism, the positions of the medium balls are promoted to change by means of stirring force provided by the dredging mechanism, and blocking of the medium balls is prevented.
Further improved, the dredging mechanism comprises a dredging rod fixedly connected with the transmission rod, and at least one group of spiral rods are arranged on the dredging rod; one end of the screw rod, which faces the ball adding bin, is a free end. The transmission rod is fixedly connected with a dredging rod, at least one group of spiral rods on the dredging rod are driven by the transmission rod to rotate, and the positions of medium balls in the anti-blocking connecting pipe are forced to change due to the stirring and extrusion of the spiral rods and the dredging rod on the medium balls, so that the anti-blocking function is realized; on the other hand, the screw rod upper end links firmly on the dredging rod, and the lower extreme is the free end, does not link firmly on the dredging rod, and the screw rod of this structure also has certain guide effect to the removal of medium ball, does benefit to the medium ball to pass through anti-blocking connecting tube and gets into and adds the ball storehouse.
Preferably, the screw rods are a group, and the screw rods are positioned at the lower end of the anti-blocking connecting pipe. Through setting up a set of hob to with the hob setting up in the lower extreme of anti-blocking connecting pipe, under the stirring of hob, prevent that the terminal dielectric ball of anti-blocking connecting pipe continuously drops to in adding the ball storehouse, because prevent that the terminal dielectric ball of anti-blocking connecting pipe falls smoothly, lead to being located anti-blocking connecting pipe middle part dielectric ball because not being located its lower part dielectric ball's support also can only constantly break up and move down, thereby realize preventing blocking up the function that prevents blocking up of intraductal mediation.
Further improved, the dredging mechanism comprises a sleeve sleeved outside the anti-blocking connecting pipe, a spiral guide hole is formed in the side wall of the anti-blocking connecting pipe, and a mounting protruding block is arranged on the inner wall of the sleeve; the mounting lug penetrates through the guide hole and is positioned in the anti-blocking connecting pipe; and a dredging rod is vertically arranged on the mounting lug. The casing pipe is rotated to drive the dredging rod to move up and down along the side wall of the anti-blocking connecting pipe (namely along the circumferential direction of the anti-blocking connecting pipe), and the position of the medium ball is changed by applying external force to the medium ball in the anti-blocking connecting pipe through the movement of the dredging rod, so that the medium ball in the anti-blocking connecting pipe is prevented from being blocked.
Further improvement, the sleeve is externally provided with an anti-skid sleeve or a handle. The friction force between the hand and the sleeve is increased, and the operability and convenience of rotating the sleeve are improved.
By adopting the technical scheme, the invention has the beneficial effects that: closing the closing valve at the bottom of the ball adding bin, opening the ball adding valve at the upper part of the ball adding bin, adding medium balls to be supplemented, closing the ball adding valve, opening the closing valve, and when the pressure in the ball adding bin is balanced with the pressure in the grinding chamber, the medium balls enter the grinding chamber under the action of gravity, so that the grinding chamber is prevented from being communicated with the external atmosphere through the transition of the ball adding bin in a non-stop state of the grinding machine, the ball supplementing is completed once, the ball supplementing is realized quickly, the ball supplementing can be continued until the process ball adding quantity is reached by repeating the steps, the medium filling rate in the grinding chamber is kept in a proper range, and the production efficiency of the grinding machine is improved.
Thereby achieving the above object of the present invention.
Drawings
FIG. 1 is a schematic view of a ball feeder for a fine grinding apparatus according to the present invention;
FIG. 2 is a schematic diagram of the structure of the ball feeding bin of the present invention;
FIG. 3 is a cross-sectional view of a first embodiment of a ball storage bin and dredging mechanism of the present invention;
FIG. 4 is a cross-sectional view of a second embodiment of a ball storage bin and dredging mechanism of the present invention;
fig. 5 is an enlarged view at a in fig. 4.
In the figure:
a ball adding bin 1; adding a ball valve 11; closing the valve 12; a pressurized water source 13; a liquid recovery tank 14; a cylinder 1a; a ball storage bin 2; a motor 21; a transmission rod 22; a stirring paddle 23; stirring blade 231; a frame 232; a stirring rod 233; a storage bin 3; a feed pipe 31; an anti-blocking connecting pipe 4; a bucket 41; a guide hole 42; a dredging mechanism 5; a dredging rod 51; a screw 52; a sleeve 53; mounting bumps 54; dredge bar 55.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail by specific examples.
Example 1
The invention discloses a ball adding device for fine grinding equipment, which is shown in figures 1 to 3, and comprises a ball adding bin 1 which is vertically arranged, wherein a pipeline at the lower end of the ball adding bin 1 is communicated with the inside of a barrel 1a of an ore grinding machine positioned right below the ball adding bin 1; the upper end of the ball adding bin 1 is provided with an airtight ball adding valve 11; a hermetic sealing closing valve 12 is arranged between the ball adding bin 1 and the cylinder body 1 a. In this embodiment, the closing valve 12 at the bottom of the ball adding bin 1 is closed, the ball adding valve 11 at the upper part of the ball adding bin 1 is opened, the medium balls to be supplemented are added, the ball adding valve 11 is closed, the closing valve is opened, when the pressure in the ball adding bin 1 and the grinding chamber (the barrel 1 a) are balanced, the medium balls enter the grinding chamber under the action of gravity, the grinding chamber is prevented from being communicated with the external atmospheric pressure through the transition of the ball adding bin 1 in a non-stop state of the grinding machine, thus the ball supplementing is completed once, the ball supplementing is realized quickly, the ball supplementing can be continued to the process ball adding quantity by repeating the steps, the medium filling rate in the grinding chamber is kept in a proper range, and the production efficiency of the grinding machine is improved.
In this embodiment, the upper part of the ball adding bin 1 is communicated with a pressurized water source 13, and the lower part of the ball adding bin 1 is communicated with a liquid recovery tank 14. In order to accelerate the speed of medium balls in the ball adding bin 1 entering the grinding chamber, a pressurized water source 13 is introduced into the ball adding bin 1, the pressure in the ball adding bin 1 is increased, and the medium balls are directly pressed into the grinding chamber; after the ball adding is finished, the closing valve 12 is closed, the pressurized water source 13 is closed to stop adding water into the ball adding bin 1, the valve between the ball adding bin 1 and the liquid recovery box 14 is opened, and the valve between the ball adding bin 1 and the liquid recovery box 14 is closed after ore pulp is discharged.
In this embodiment, the upper end pipeline of the ball adding bin 1 is communicated with the Chu Qiucang 2 right above the ball adding bin 1, the ball storing bin 2 is communicated with a storage bin 3, the storage bin 3 is positioned at the upper part of the ball storing bin 2, and the ball storing bin 2 and the storage bin 3 are communicated through a feed pipe 31 which is obliquely arranged. A large number of medium balls are stored in the storage bin 3, and the discharge hole of the storage bin 3 at the bottom is higher than the feed hole at the upper part of the Chu Qiu bin 2, so that the medium balls entering the feed pipe 31 quickly enter the storage bin 2 under the action of gravity; the manual repeated feeding is not needed, and the labor intensity is reduced. In this embodiment, a vibration disc may be further disposed at the lower portion of the storage bin 3, so as to prevent the solid medium balls from being blocked near the feed pipe 31, thereby improving the automation degree and the production efficiency of this embodiment.
In the embodiment, the ball storage bin 2 is provided with a motor 21 and a transmission rod 22 extending into the ball storage bin 2, and the bottom end of the transmission rod 22 is provided with a stirring paddle 23; the stirring paddle 23 includes two stirring blades 231 which are symmetrical left and right. The stirring paddle 23 is arranged at the lower part of the ball storage bin 2 to prevent the medium balls entering the ball storage bin 2 from the feed pipe 31 from accumulating at one side, so that the internal space of the ball storage bin 2 is prevented from being underutilized; on the other hand, the two stirring blades 231 which are bilaterally symmetrical fully and uniformly distribute the medium balls in the space at the bottom of the ball storage bin 2, so that the medium balls can enter the ball feeding bin 1 under the action of gravity.
In this embodiment, the stirring blade 231 has a triangular frame 232, and a plurality of stirring rods 233 are disposed in the frame 232 toward the transmission rod 22, and the plurality of stirring rods 233 on each stirring blade 231 gradually shorten in a direction toward the transmission rod 22. The stirring blade 231 forms a large stirring range close to the side wall of the ball storage bin 2 through the matching of the frame 232 and the plurality of stirring rods 233, and the stirring range close to the central axis of the ball storage bin 2 is small, namely, the stirring of the medium balls in the ball storage bin 2 is changed from small to large from the central axis of the ball storage bin 2 to the side wall of the ball storage bin 2, the medium balls at the edge of the ball storage bin 2 are gathered towards the center of the ball storage bin 2, and the medium balls are favorably transferred towards the ball adding bin 1.
In this embodiment, an anti-blocking connecting pipe 4 is arranged between the ball storage bin 2 and the ball adding bin 1, and the upper part of the anti-blocking connecting pipe 4 is a bucket-shaped part 41 with a large upper part and a small lower part; the anti-blocking connecting pipe 4 is provided with a dredging mechanism 5 which applies external force to the medium ball. Because the medium balls are solid balls with smaller particle sizes, a large number of medium balls are easy to cause the phenomenon of accumulation in the pipe when passing through the anti-blocking connecting pipe 4, so that the medium balls cannot be smoothly transferred from the ball storage bin 2 to the ball adding bin 1, ball adding is affected, and the production efficiency is reduced; therefore, the upper part of the anti-blocking connecting pipe 4 communicated with the bottom of the ball storage bin 2 is provided with the bucket-shaped part 41 with the big upper part and the small lower part, and the movement of the medium balls is promoted by the inclination angle of the side wall, so that the medium balls are prevented from being blocked at the joint of the two. In order to prevent the blocking in the anti-blocking connecting pipe 4 below the bucket-shaped part 41, a dredging mechanism 5 is arranged in the anti-blocking connecting pipe 4, the movement of the medium balls in the anti-blocking connecting pipe 4 is promoted by the dredging mechanism 5, the position of the medium balls is promoted to change by the stirring force provided by the dredging mechanism 5, and the blocking of the medium balls is prevented.
The dredging mechanism 5 in this embodiment includes a dredging rod 51 fixedly connected to the transmission rod 22, and at least one set of screw rods 52 are disposed on the dredging rod 51; the end of the screw 52 facing the ball adding bin 1 is a free end. In the embodiment, a dredging rod 51 is fixedly connected to a transmission rod 22, and at least one group of screw rods 52 on the dredging rod 51 rotate under the drive of the transmission rod 22, and the positions of medium balls in the forced anti-blocking connecting pipe 4 are changed due to the stirring and extrusion of the medium balls by the screw rods 52 and the dredging rod 51, so that an anti-blocking function is realized; on the other hand, the upper end of the screw rod 52 in the embodiment is fixedly connected to the dredging rod 51, the lower end is a free end, and the screw rod 52 with the structure is not fixedly connected to the dredging rod 51, and has a certain guiding function on the movement of the medium ball, so that the medium ball can enter the ball adding bin 1 through the anti-blocking connecting pipe 4.
Further preferably, in this embodiment, the screw rods 52 are a set, and the screw rods 52 are located at the lower end of the anti-blocking connecting pipe 4. Through setting up a set of hob 52 only to set up hob 52 in the lower extreme of preventing stifled connecting pipe 4, under hob 52's stirring, prevent that the terminal dielectric ball of stifled connecting pipe 4 constantly drops to in adding ball storehouse 1, because prevent that the terminal dielectric ball of stifled connecting pipe 4 falls smoothly, lead to being located the dielectric ball at the middle part of preventing stifled connecting pipe 4 and still can only constantly collapse down the removal owing to not being located the support of its lower part dielectric ball, thereby realize preventing that the unblock is connected 4 internal dredging and is prevented.
The working procedure of this embodiment is: medium balls in the storage bin 3 fall into one side of the storage ball bin 2 through the feed pipe 31 and are continuously piled up, and the medium balls in the storage ball bin 2 are continuously moved downwards and uniformly distributed in the storage ball bin 2 under the stirring drive of the stirring paddle 23; when the feeding amount in the ball storage bin 2 is calculated and added, the closing valve 12 at the bottom of the ball adding bin 1 is closed, the ball adding valve 11 at the upper part of the ball adding bin 1 is opened, medium balls in the ball storage bin 2 enter the ball adding bin 1 through the anti-blocking connecting pipe 4, after all the medium balls in the ball storage bin 2 enter the ball adding bin 1, the ball adding valve 11 is closed, the closing valve 12 is opened, and when the pressure in the ball adding bin 1 is balanced with the pressure in the grinding chamber, the medium balls enter the grinding chamber under the action of gravity, so that the quick ball supplementing is realized.
Example two
The invention discloses a ball feeding device for fine grinding equipment, as shown in fig. 1, 2, 4 and 5, the main difference between the embodiment and the first embodiment is that: in this embodiment, the dredging mechanism 5 includes a sleeve 53 sleeved outside the anti-blocking connecting pipe 4, a spiral guide hole 42 is formed on a side wall of the anti-blocking connecting pipe 4, and a mounting bump 54 is disposed on an inner wall of the sleeve 53; the mounting lug 54 passes through the guide hole 42 and is positioned inside the anti-blocking connecting pipe 4; a dredging rod 55 is vertically arranged on the mounting lug 54; the sleeve 53 is rotated to drive the dredging rod 55 to move up and down along the side wall of the anti-blocking connecting pipe 4 (namely along the circumferential direction of the anti-blocking connecting pipe 4) along the spiral guide hole 42, and the position of the medium ball in the anti-blocking connecting pipe 4 is changed by applying external force to the medium ball in the anti-blocking connecting pipe 4 through the movement of the dredging rod 55, so that the medium ball in the anti-blocking connecting pipe 4 is prevented from being blocked. The dredging bar 55 may be disposed upward or downward in this embodiment.
In this embodiment, in order to improve the operability and convenience of the rotating sleeve 53, an anti-slip sleeve or a handle is installed outside the sleeve 53.
The method of use of this embodiment is the same as that of embodiment one.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (3)
1. The ball adding device for the fine grinding equipment is characterized by comprising a ball adding bin (1) which is vertically arranged, wherein a pipeline at the lower end of the ball adding bin (1) is communicated with the inside of a barrel (1 a) of the ore grinding machine under the ball adding bin (1); the upper end of the ball adding bin (1) is provided with an airtight ball adding valve (11); a hermetic sealing closing valve (12) is arranged between the ball adding bin (1) and the cylinder body (1 a); the upper part of the ball adding bin (1) is communicated with a pressurized water source (13), and the lower part of the ball adding bin (1) is communicated with a liquid recovery box (14); the upper end pipeline of the ball adding bin (1) is communicated with a Chu Qiucang (2) right above the ball adding bin (1), the ball storing bin (2) is provided with a motor (21) and a transmission rod (22) extending into the ball storing bin (2), and the bottom end of the transmission rod (22) is provided with a stirring paddle (23); the stirring paddle (23) comprises two stirring blades (231) which are bilaterally symmetrical; the stirring blades (231) are provided with triangular frames (232), a plurality of stirring rods (233) which are vertically arranged are arranged in the frames (232) towards the transmission rod (22), and the stirring rods (233) on each stirring blade (231) are gradually shortened towards the transmission rod (22); an anti-blocking connecting pipe (4) is arranged between the ball storage bin (2) and the ball adding bin (1), and the upper part of the anti-blocking connecting pipe (4) is a bucket-shaped part (41) with a large upper part and a small lower part; the anti-blocking connecting pipe (4) is provided with a dredging mechanism (5) for applying external force to the medium ball; the dredging mechanism (5) comprises a dredging rod (51) fixedly connected with the transmission rod (22), and at least one group of spiral rods (52) are arranged on the dredging rod (51); one end of the screw rod (52) facing the ball adding bin (1) is a free end; the screw rods (52) are in a group, and the screw rods (52) are positioned at the lower end of the anti-blocking connecting pipe (4); the dredging mechanism (5) comprises a sleeve (53) sleeved outside the anti-blocking connecting pipe (4), a spiral guide hole (42) is formed in the side wall of the anti-blocking connecting pipe (4), and a mounting lug (54) is arranged on the inner wall of the sleeve (53); the mounting lug (54) passes through the guide hole (42) and is positioned in the anti-blocking connecting pipe (4); and a dredging rod (55) is vertically arranged on the mounting lug (54).
2. Ball feeding device for fine grinding equipment according to claim 1, characterized in that the ball storage bin (2) is communicated with a storage bin (3), the storage bin (3) is positioned at the upper part of the ball storage bin (2), and the ball storage bin and the storage bin are communicated through a feed pipe (31) which is obliquely arranged.
3. A ball feeding device for a fine grinding apparatus according to claim 1, characterized in that the sleeve (53) is externally provided with an anti-slip sleeve or a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425040.9A CN108704721B (en) | 2018-05-07 | 2018-05-07 | Ball adding device for fine grinding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425040.9A CN108704721B (en) | 2018-05-07 | 2018-05-07 | Ball adding device for fine grinding equipment |
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| CN108704721A CN108704721A (en) | 2018-10-26 |
| CN108704721B true CN108704721B (en) | 2024-04-09 |
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| CN201810425040.9A Active CN108704721B (en) | 2018-05-07 | 2018-05-07 | Ball adding device for fine grinding equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115228564A (en) * | 2022-05-26 | 2022-10-25 | 浙江艾领创矿业科技有限公司 | Pressurization ball adding device |
| CN116921012B (en) * | 2023-09-18 | 2023-12-01 | 北京天地融创科技股份有限公司 | Horizontal coal water slurry fine grinding machine and control method thereof |
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