CN108704722A - A kind of large-size autogenous mill/semi-autogenous mill wear-resistant liner - Google Patents
A kind of large-size autogenous mill/semi-autogenous mill wear-resistant liner Download PDFInfo
- Publication number
- CN108704722A CN108704722A CN201810586028.6A CN201810586028A CN108704722A CN 108704722 A CN108704722 A CN 108704722A CN 201810586028 A CN201810586028 A CN 201810586028A CN 108704722 A CN108704722 A CN 108704722A
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- China
- Prior art keywords
- liner
- feed end
- plate
- lifting strip
- shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B02C17/22—Lining for containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2210/00—Codes relating to different types of disintegrating devices
- B02C2210/02—Features for generally used wear parts on beaters, knives, rollers, anvils, linings and the like
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention discloses a kind of large-size autogenous mill/semi-autogenous mill wear-resistant liner, it is both provided with increased first lifting strip of height on the bottom plate of its feed end inner ring liner plate, feed end centre circle liner plate and feed end outer ring liner plate, the strip boss for increasing bottom plate wearability is both provided on the bottom plate of feed end inner ring liner plate, feed end centre circle liner plate and feed end outer ring liner plate；The second lifting strip that section is unsymmetric structure is both provided on feed end shell liner, interlude shell liner and discharge end shell liner；Outer ring pulp lifter is provided with big arc third lifting strip, stay bolt and lag bolt；Grate is provided with the 4th lifting strip of big arc, and inner ring pulp lifter is provided with the 5th long lifting strip and the 6th short lifting strip being intervally arranged；Removal device is overall structure, is provided with the 7th short lifting strip.The present invention effectively solves the problems such as charging aside-liner service life existing in the prior art is relatively low, mill discharge is less efficient, liner plate quantity is excessive.
Description
Technical field
The invention belongs to large-size autogenous mill/semi-autogenous mill liner plate technical fields, more particularly, to a kind of large-size autogenous mill/half
Autogenous tumbling mill wear-resistant liner.
Background technology
Lining board of grinder is that one kind is used for protecting grinding mill barrel, makes cylinder from abrasive body and material directly impact and rubs,
Improving material and abrasive body simultaneously, be allowed to inside grinding machine with certain movement form and enhance abrasive body to the crushing of material and
The grinding machine key components and parts of abrasive action.With the raising of China's mine ore dressing technique, the development of the gradual enlargement of mining grinding mill
The increase of trend and market to liner plate demand and desired value, exacerbates the market competition of mining grinding mill liner plate, to mining grinding mill
More stringent requirements are proposed for the service life and grinding efficiency of liner plate.The optimization of lining plate structure helps to improve the grinding effect of grinding machine
Rate increases yield, reduces metal consumption.Lining plate structure is optimized, exploitation is ground suitable for different operating modes, variety classes
The lining plate structure of machine and function admirable, and then service life and the performance of complete machine are improved, have become liner plate neck to meet the needs of users
The problem of domain urgent need to resolve.
Autogenous tumbling mill liner plate is a kind of wearing detail, and consumption is big, and spare parts order amount is big, wide market.Autogenous tumbling mill at present
Liner plate is primarily present problems with：1. since charging aside-liner lifting strip is relatively low and bottom plate does not protect structure, cause to feed
The aside-liner service life is shorter, replaces number and increases, causes machine stop times to increase with the time, reduce the production efficiency of grinding machine；2. mine
The lifting strip for starching lifter and grate is radial alignment shape or small arcuate structure, and when grinding machine rotates, ore pulp will be by
Lift along lifter chamber towards grinding machine center flow, it is then outer by conical discharge mouth discharge mill；When ore pulp is more than off-take point,
It can be backflowed to inside grinding machine by grid plate hole；Radial alignment shape or the pulp lifter discharge ability of small arcuate structure are not
Foot, excessive ore pulp regurgitation volume so that fine ore pulp is gathered in material, easily forms slime dam, reduces grinding efficiency；It is excessive
Ore pulp regurgitation volume can also increase the abrasion to pulp lifter, reduce the service life of pulp lifter；3. outer ore pulp is promoted
Device uses en-block construction, and rigidity is poor, and liner plate quantity is excessive, and installing and dismounting heavy workload, lining-plate bolt hole is linear type
Arrangement, long lag bolt arrangement is unreasonable, bolt strained unbalanced, is easy to loosen fracture；4. shell liner is symmetrical lifting strip
Structure can only use a face improving material, cause the waste of another side metal, and lining-plate bolt when grinding machine single direction rotation
It does not protect platform to reinforce protection at hole, causes bolt that abrasion easily occurs in grinding machine operational process, loosens, there are bolt fractures
And liner plate such as falls at the unsafe problems；5. the lifting strip of inner ring pulp lifter is long lifting strip so that ore pulp discharge gate
It is excessively narrow, hinders the smooth discharge of ore pulp, grinding machine is caused to rise tripe, treating capacity declines；6. discharge end removal device circumferencial direction
It is divided into several pieces, quantity is excessive, installing and dismounting heavy workload, less efficient, and lifting strip length is long, causes ore pulp to being promoted
The serious wear of item causes removal device bulk life time relatively low.
Invention content
To solve the above problems, the object of the present invention is to provide a kind of simple structure and reasonable designs, easy to use efficient
Large-size autogenous mill/semi-autogenous mill wear-resistant liner, can efficiently solve current autogenous tumbling mill/semi-autogenous mill liner plate it is existing into
Expect that the aside-liner service life is relatively low, mill discharge is less efficient, liner plate quantity is excessive, shell liner waste of material, lining-plate bolt loosen
Fracture, discharging channel are excessively narrow and the problems such as removal device serious wears.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of large-size autogenous mill/semi-autogenous mill wear-resistant liner comprising charging aside-liner, discharging aside-liner, is used shell liner
In connection charging aside-liner and shell liner and the ring type filling of discharge aside-liner and shell liner, charging aside-liner includes successively
Feed end inner ring liner plate, feed end centre circle liner plate and the feed end outer ring liner plate of connection, shell liner includes feed end cylinder
Liner plate, interlude shell liner and discharge end shell liner, discharging aside-liner includes outer ring pulp lifter, grate, interior
Enclose pulp lifter, discharge end cover board, removal device；Feed end inner ring liner plate, feed end centre circle liner plate and feed end outer ring lining
Increased first lifting strip of height, feed end inner ring liner plate, feed end centre circle liner plate and charging are both provided on the bottom plate of plate
Hold the strip boss for being both provided on the bottom plate of outer ring liner plate and increasing bottom plate wearability；Feed end shell liner, interlude cylinder
The second lifting strip that section is unsymmetric structure is both provided on liner plate and discharge end shell liner；Outer ring pulp lifter is set
It is equipped with big arc third lifting strip, stay bolt and lag bolt；Grate is provided with the 4th lifting strip of big arc, and inner ring ore pulp carries
It rises device and is provided with the 5th long lifting strip and the 6th short lifting strip being intervally arranged；Removal device is overall structure, and it is short to be provided with the 7th
Lifting strip.
The large-size autogenous mill/semi-autogenous mill wear-resistant liner, feed end shell liner, interlude shell liner with
And the protection boss in lining-plate bolt hole is both provided on discharge end shell liner.
The large-size autogenous mill/semi-autogenous mill wear-resistant liner, be used to connect outer ring pulp lifter, grate and
The stay bolt of end cap with for connecting outer ring pulp lifter and the lag bolt arranged for interval of end cap.
Due to using technical solution as described above, the present invention that there is following superiority：
The large-size autogenous mill/semi-autogenous mill wear-resistant liner will be into according to the abrasion condition of charging aside-liner and life requirements
First lifting strip height of material aside-liner increases 50%~60% than original height, while being set in the centre of bottom plate and both sides
Boss is protected in respect of strip, intensity, the protection bottom plate of bottom plate is improved, improves the wear-out life of bottom plate；Outer ring pulp lifter
Third lifting strip be big arcuate structure, can more effectively by material lifting to discharge port be discharged, greatly reduce material return
Flow avoids the formation of slime dam, reduces the abrasion of pulp lifter, substantially prolongs the service life of pulp lifter, carries
High grinding machine productivity；By for connect the stay bolt of outer ring pulp lifter, grate and end cap with for connecting outer ring mine
The lag bolt arranged for interval for starching lifter and end cap, makes bolt strained more balanced, can effectively prevent going out in grinding machine operational process
Existing bolt fracture problem；For the single direction rotation feature of arc discharge aside-liner, design it is matched use it is asymmetric
Shell liner structure further mitigates weight under the premise of ensureing the service life, and asymmetrical shell liner structure refers to cylinder lining
The improving material face face angle of second lifting strip of plate is larger, to coordinate grinding machine single direction rotation；By the promotion of inner ring pulp lifter
Item expands the area of discharge gate according to length muscle rearrangement so that discharge is more smooth, and grinding machine is avoided to rise tripe；By removal device
Monolithic construction is made, greatly reduces liner plate quantity, and its 7th lifting strip length is shortened, avoids ore pulp to lifting strip
Excessive wear.
Description of the drawings
Fig. 1 is the structural schematic diagram of the charging aside-liner of large-size autogenous mill/semi-autogenous mill wear-resistant liner；
Fig. 2 is the structural schematic diagram of the discharging aside-liner of large-size autogenous mill/semi-autogenous mill wear-resistant liner；
Fig. 3 is the partial structural diagram of the charging aside-liner in Fig. 1；
Fig. 4 is the structural schematic diagram of the shell liner of large-size autogenous mill/semi-autogenous mill wear-resistant liner；
Fig. 5 is the structural schematic diagram of the outer ring pulp lifter in Fig. 2；
Fig. 6 is the structural schematic diagram of the grate in Fig. 2；
Fig. 7 is the structural schematic diagram of the inner ring pulp lifter in Fig. 2；
Fig. 8 is the structural schematic diagram of the removal device in Fig. 2；
In figure：1- feed end inner ring liner plates；2- feed end centre circle liner plates；3- feed ends outer ring liner plate；4- feed end cylinders
Liner plate；5- interlude shell liners；6- discharge end shell liners；The outer rings 7- pulp lifter；8- grates；9- inner rings
Pulp lifter；10- discharge end cover boards；11- removal devices；12- ring type fillings；13- strip boss；The first lifting strips of 14-；
The second lifting strips of 15-；16- protects boss；17- third lifting strips；18- stay bolts；19- lag bolts；20- the 4th is promoted
Item；The 5th long lifting strips of 21-；The 6th lifting strips of 22-；The 7th lifting strips of 23-.
Specific implementation mode
Technical scheme of the present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Fig. 1~8, large-size autogenous mill/semi-autogenous mill wear-resistant liner comprising charging aside-liner, cylinder lining
Plate, discharging aside-liner, the ring type filling 12 for connecting charging aside-liner and shell liner and discharge aside-liner and shell liner,
It includes sequentially connected feed end inner ring liner plate 1, feed end centre circle liner plate 2 and feed end outer ring liner plate 3, cylinder to feed aside-liner
Body liner plate includes feed end shell liner 4, interlude shell liner 5 and discharge end shell liner 6, and discharging aside-liner includes outer
Enclose pulp lifter 7, grate 8, inner ring pulp lifter 9, discharge end cover board 10, removal device 11；Feed end inner ring liner plate 1,
Increased first lifting strip 14 of height, charging are both provided on the bottom plate of feed end centre circle liner plate 2 and feed end outer ring liner plate 3
It is both provided with the length for increasing bottom plate wearability on the bottom plate of end inner ring liner plate, feed end centre circle liner plate and feed end outer ring liner plate
Boss 13；It is non-that section is both provided on feed end shell liner 4, interlude shell liner 5 and discharge end shell liner 6
The improving material face face angle of second lifting strip 15 of symmetrical structure, the second lifting strip is larger, to coordinate grinding machine single direction rotation, avoids
The waste of metal；Outer ring pulp lifter 7 is provided with big arc third lifting strip 17, stay bolt 18 and lag bolt 19；Grid
Plate 8 is provided with the 4th lifting strip 20 of big arc, and inner ring pulp lifter 9 is provided with the 5th long lifting strip 21 being intervally arranged and
Six short lifting strips 22, the 5th long lifting strip and the 6th short lifting strip that length is interlocked form the ore pulp that length is interlocked and promote chamber, increase
The big area of ore pulp discharge gate so that ore pulp channel is more rationally smooth, is discharged, can be effectively prevent due to discharge convenient for ore pulp
Grinding machine rises tripe problem not as good as caused by；Removal device 11 is overall structure, greatly reduces the quantity of liner plate, reduces liner plate
Installing and dismounting workload, reduces downtime, improves the production efficiency of grinding machine, is provided with the 7th short lifting strip 23, effectively
Prevent ore pulp caused by since lifting strip is long that lifting strip is seriously worn, the problem for causing removal device bulk life time shorter.
Above-mentioned lifting strip refers to a complete throwing of the arcuate lift item on grinding machine cross section using big arcuate structure
Shadow angle is more than or equal to 30 degree.
In above-mentioned charging aside-liner, feed end shell liner 4, interlude shell liner 5 and discharge end cylinder lining
It is both provided with the protection boss 16 in lining-plate bolt hole on plate 6, can ensure the safety of bolt during wear liner.
The big arc third lifting strip 17 that above-mentioned outer ring pulp lifter 7 is provided with, the big arc that grate 8 is provided with
4th lifting strip 20, the outer ring pulp lifter dative of rectilinear form lifting strip and small arcuate lift item than in the prior art
Daughter board has the lifting force of bigger, and more effectively material lifting to discharge port can be discharged, greatly reduce the regurgitant volume of material,
The formation for avoiding slime dam substantially increases grinding machine productivity；And by outer ring pulp lifter by two merged blocks at one piece, liner plate
Rigidity reinforced, quantity reduce one times, can effectively solve the problem that liner plate deformation, liner plate installing and dismounting heavy workload the problems such as.
In above-mentioned discharging aside-liner, be used to connect outer ring pulp lifter 7, grate 8 and end cap stay bolt 18,
With 19 arranged for interval of lag bolt for connecting outer ring pulp lifter and end cap, make it is bolt strained more balanced, can be effective
The problems such as avoiding the bolt looseness occurred in grinding machine operational process from being broken.
The foregoing is merely presently preferred embodiments of the present invention rather than limitation of the present invention, in the essence for not departing from the present invention
It is all according to equivalent changes and modifications made by scope of the present invention patent in the case of refreshing and range, it should all belong to the special of the present invention
Within sharp protection domain.
Claims (3)
1. a kind of large-size autogenous mill/semi-autogenous mill wear-resistant liner, including charging aside-liner, shell liner, discharging aside-liner, use
In connection charging aside-liner and shell liner and the ring type filling of discharge aside-liner and shell liner, charging aside-liner includes successively
Feed end inner ring liner plate, feed end centre circle liner plate and the feed end outer ring liner plate of connection, shell liner includes feed end cylinder
Liner plate, interlude shell liner and discharge end shell liner, discharging aside-liner includes outer ring pulp lifter, grate, interior
Enclose pulp lifter, discharge end cover board, removal device；It is characterized in that：Its feed end inner ring liner plate, feed end centre circle liner plate and into
Expect to be both provided with increased first lifting strip of height on the bottom plate of end outer ring liner plate, feed end inner ring liner plate, feed end centre circle lining
The strip boss for increasing bottom plate wearability is both provided on the bottom plate of plate and feed end outer ring liner plate；Feed end shell liner,
The second lifting strip that section is unsymmetric structure is both provided on interlude shell liner and discharge end shell liner；Outer ring mine
Slurry lifter is provided with big arc third lifting strip, stay bolt and lag bolt；Grate is provided with the 4th lifting strip of big arc,
Inner ring pulp lifter is provided with the 5th long lifting strip and the 6th short lifting strip being intervally arranged；Removal device is overall structure, if
It is equipped with the 7th short lifting strip.
2. large-size autogenous mill according to claim 1/semi-autogenous mill wear-resistant liner, it is characterized in that：Its feed end cylinder
The protection boss in lining-plate bolt hole is both provided on liner plate, interlude shell liner and discharge end shell liner.
3. large-size autogenous mill according to claim 1/semi-autogenous mill wear-resistant liner, it is characterized in that：It is used to connect outer
The stay bolt of circle pulp lifter, grate and end cap and the lag bolt interval cloth for connecting outer ring pulp lifter and end cap
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586028.6A CN108704722B (en) | 2018-06-08 | 2018-06-08 | Wear-resistant lining plate for large-scale autogenous mill/semi-autogenous mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586028.6A CN108704722B (en) | 2018-06-08 | 2018-06-08 | Wear-resistant lining plate for large-scale autogenous mill/semi-autogenous mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108704722A true CN108704722A (en) | 2018-10-26 |
| CN108704722B CN108704722B (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810586028.6A Active CN108704722B (en) | 2018-06-08 | 2018-06-08 | Wear-resistant lining plate for large-scale autogenous mill/semi-autogenous mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN108704722B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694752A (en) * | 2019-11-12 | 2020-01-17 | 江西耐普矿机新材料股份有限公司 | Ore discharge device for semi-autogenous and full-autogenous mills |
| CN114082511A (en) * | 2020-06-29 | 2022-02-25 | 美卓奥图泰芬兰有限公司 | Lifting rod, device at discharge end of grinding machine and method for disassembling discharge end of grinding machine |
| CN115228565A (en) * | 2022-05-25 | 2022-10-25 | 江西耐普矿机股份有限公司 | Mill barrel and wear-resisting lining plate test device |
| WO2023028638A1 (en) * | 2021-09-01 | 2023-03-09 | Sino Iron Holdings Pty Ltd | A mill and liner |
| WO2023115095A1 (en) * | 2021-12-23 | 2023-06-29 | Sino Iron Holdings Pty Ltd | A mill liner |
| EP4084909A4 (en) * | 2019-12-30 | 2023-10-25 | Metso Outotec Finland Oy | Grate support element, grate support structure and open-ended grinding mill |
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| EP0380952A2 (en) * | 1989-02-03 | 1990-08-08 | Christian Pfeiffer Maschinenfabrik GmbH & Co. Kommanditgesellschaft | Partitioning wall for a drum mill |
| CN104646119A (en) * | 2013-11-18 | 2015-05-27 | 江苏石磊机械制造有限公司 | Discharge end liner plate |
| CN105855001A (en) * | 2016-05-05 | 2016-08-17 | 中信重工机械股份有限公司 | Novel liner plate structure used for large autogenous mill |
| CN206343249U (en) * | 2016-12-15 | 2017-07-21 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of Gao Pinggao interlocking shell liners of large-scale mine semi-autogenous mill |
| CN107537641A (en) * | 2017-10-19 | 2018-01-05 | 中实洛阳重型机械有限公司 | A kind of semi-autogenous mill abrasion-proof backing block with asymmetric lifting strip |
| CN207238153U (en) * | 2017-09-22 | 2018-04-17 | 洛阳昶威机械制造安装有限公司 | A kind of semi-autogenous mill liner plate |
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2018
- 2018-06-08 CN CN201810586028.6A patent/CN108704722B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0380952A2 (en) * | 1989-02-03 | 1990-08-08 | Christian Pfeiffer Maschinenfabrik GmbH & Co. Kommanditgesellschaft | Partitioning wall for a drum mill |
| CN104646119A (en) * | 2013-11-18 | 2015-05-27 | 江苏石磊机械制造有限公司 | Discharge end liner plate |
| CN105855001A (en) * | 2016-05-05 | 2016-08-17 | 中信重工机械股份有限公司 | Novel liner plate structure used for large autogenous mill |
| CN206343249U (en) * | 2016-12-15 | 2017-07-21 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of Gao Pinggao interlocking shell liners of large-scale mine semi-autogenous mill |
| CN207238153U (en) * | 2017-09-22 | 2018-04-17 | 洛阳昶威机械制造安装有限公司 | A kind of semi-autogenous mill liner plate |
| CN107537641A (en) * | 2017-10-19 | 2018-01-05 | 中实洛阳重型机械有限公司 | A kind of semi-autogenous mill abrasion-proof backing block with asymmetric lifting strip |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694752A (en) * | 2019-11-12 | 2020-01-17 | 江西耐普矿机新材料股份有限公司 | Ore discharge device for semi-autogenous and full-autogenous mills |
| EP4084909A4 (en) * | 2019-12-30 | 2023-10-25 | Metso Outotec Finland Oy | Grate support element, grate support structure and open-ended grinding mill |
| CN114082511A (en) * | 2020-06-29 | 2022-02-25 | 美卓奥图泰芬兰有限公司 | Lifting rod, device at discharge end of grinding machine and method for disassembling discharge end of grinding machine |
| WO2023028638A1 (en) * | 2021-09-01 | 2023-03-09 | Sino Iron Holdings Pty Ltd | A mill and liner |
| WO2023115095A1 (en) * | 2021-12-23 | 2023-06-29 | Sino Iron Holdings Pty Ltd | A mill liner |
| CN115228565A (en) * | 2022-05-25 | 2022-10-25 | 江西耐普矿机股份有限公司 | Mill barrel and wear-resisting lining plate test device |
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| Publication number | Publication date |
|---|---|
| CN108704722B (en) | 2020-02-04 |
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Effective date of registration: 20200812 Address after: 471003 Jianshe Road, Jianxi, Henan, No. 206, Co-patentee after: CITIC HEAVY INDUSTRY LUOYANG HEAVY IRON CASTING Co.,Ltd. Patentee after: CITIC HEAVY INDUSTRIES Co.,Ltd. Address before: 471003 Jianshe Road, Jianxi, Henan, No. 206, Patentee before: CITIC HEAVY INDUSTRIES Co.,Ltd. |