CN202129126U - Lining board of ball grinder - Google Patents
Lining board of ball grinder Download PDFInfo
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- CN202129126U CN202129126U CN201120205035U CN201120205035U CN202129126U CN 202129126 U CN202129126 U CN 202129126U CN 201120205035 U CN201120205035 U CN 201120205035U CN 201120205035 U CN201120205035 U CN 201120205035U CN 202129126 U CN202129126 U CN 202129126U
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- gusset
- lining board
- substrate
- grinding machine
- plates
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Abstract
The utility model relates to a lining board of a ball grinder. The lining board of the ball grinder is provided with a base plate connected with the cylinder body of the ball grinder, a hollow check structure formed by a plurality of circumferential rib plates and axial rib plates which are mutually staggered is arranged on the base plate, and both the base plate and the rib plate are bi-metal composite wear resistant steel plates. The bi-metal composite wear resistant steel plates are formed by taking low alloy steel rolled steel plates as mother plates and compositing a surface wear layer through a build-up welding method, the surface wear layer is made of iron-based wear resisting alloy material, the specific compositions and percentages of the alloy (weight percent) are as follows: C2-5, Cr12-30, V0.1-2, Mo0.3-5, B0.2-5, and Ni0.5-6, the rare earth compound is 0.01 to 2, and the allowance is Fe. The base plates and the rib plates form the lining board with the hollow check structure through welding and assembling. The lining board of the ball grinder, provided by the utility model, has the advantages that the manufacture process is simple, the working area of the lining board can be effectively increased, the weight of the lining board is reduced, the milling efficiency is improved, energy consumption is lowered, an obvious energy and material saving effect is achieved, and the service life is greatly prolonged.
Description
Technical field
The utility model relates to the making field of ball mill, specifically a kind of ball grinding machine lining board.
Background technology
We know that ball mill is that the powder manufacturing apparatus that carries out fine grinding again was widely used in cement, silicate product, production industries such as New Building Materials, refractory material, chemical fertilizer, black and non-ferrous metal ore and glass ceramics after the mineral aggregate warp slightly broke at present.Be the cylindrical shell of being installed by level, mechanical parts such as input and output material hollow shaft and bistrique are formed.Cylindrical shell is by the steel plate manufacturing, and installed inside is liner plate fixedly.Material and steel ball are packed into by grinding machine feed end hollow shaft in the cylindrical shell.Large-size ball mill generally is divided into a storehouse and two storehouses, two bin levels, bears corase grind and fine grinding task respectively.Ladder or ripple liner plate are housed in one storehouse, and ball mill barrel rotates to produce and throws down after centrifugal force takes steel ball to certain altitude, and material is produced bang, and the wall motion that attaches of abrading-ball then produces abrasive action to material.Material gets into second storehouse that studs with flat liner plate through the individual layer partition panel after corase grind is accomplished in first storehouse, material is further ground.
Up to now, China is still the maximum country of active service ball mill owning amount in the world, and the annual ball grinding machine lining board quantity that consumes is in 1,000,000 tons.Domestic ball grinding machine lining board is manufactured on the selection aspect and lives through three different historical development stages substantially.With eighties of last century eighties be event horizon, almost completely adopt casting potassium steel (Mn13) material early stage.The middle period eighties is the scientific research institutions of representative with Beijing Iron and Steel Research Geueral Inst, and exploitation lower bainite steel attempts to replace potassium steel.Its theoretical foundation is: potassium steel is under the working environment of ball mill, and the flow harden characteristic fails to be brought into play to greatest extent.Time gets into the latter stage nineties, and under the influence of American-European technology, scientific research institutions of China and large-size enterprise group begin to drop into great effort research high chrome cast iron lining plate.A large amount of in the market ball grinding machine lining boards that use, high manganese steel lining plate and high chrome cast iron lining plate roughly respectively occupy it partly.
Mainly there is following problem in existing ball grinding machine lining board: (1) high manganese steel lining plate is under the condition of work of ball mill, and original hardness is on the low side on the one hand, and flow harden characteristic on the other hand can not get effective performance, and therefore, can't effectively improve service life always.(2) though the high chrome cast iron lining plate original hardness is high, very strict to the requirement of Technology for Heating Processing, cracked phenomenon appears in the use easily, and also be the restriction one big technical barrier in its service life.(3) the large-size ball mill liner plate, particularly a storehouse liner plate of existing techniques manufacturing, thickness requirement is generally 80～120mm, and liner plate weight accounts for gross weight of equipment amount large percentage, is one of high major reason of ball mill power consumption.
Summary of the invention
The utility model technical problem to be solved is the deficiency that overcomes above-mentioned prior art; Provide a kind of manufacturing process simple, can effectively increase the work area of liner plate, reduce liner plate weight; Improve abrasive dust efficient; Reduce energy resource consumption, the energy-saving material-saving effect is remarkable, the ball grinding machine lining board that improves greatly service life.
The technical scheme that the utility model solves the problems of the technologies described above employing is: a kind of ball grinding machine lining board; It is provided with the substrate that is connected with ball mill barrel; It is characterized in that: said substrate is provided with by some circumferential gussets and the axial interlaced hollow grid structure of forming of gusset, and said substrate and gusset are the multiple layer of bimetallic wear-resisting steel plate.
The multiple layer of the utility model bimetallic wear-resisting steel plate is to do mother metal with the low-alloy steel rolled plate; Process through overlaying method composite surface wearing layer; Said surface wear-resistant layer is the wear-resistant alloy material of a kind of iron-based, and the concrete composition content (weight %) of alloy is: C 2-5, Cr 12-30, V 0.1-2, Mo 0.3-5, B 0.2-5, Ni 0.5-6, rare earth compound 0.01-2, surplus are Fe; Substrate and gusset are through the synthetic liner plate that has the hollow grid structure of welding assembling.
The utility model is owing to be connected with the hollow grid of being made up of circumferential gusset and axial gusset on the substrate; Substrate and gusset are the multiple layer of bimetallic wear-resisting steel plate, and like this, the liner plate working surface is set up anti abrasive hollow grid structure; Against existing technologies; The utility model has following characteristics than existing liner plate: when rotated when ball mill barrel (1), the hollow grid structure can promote steel ball more effectively than hierarchic structure liner plate and leave height, and crushing efficiency increases; (2) hollow grid structure and cambered surface compare, and specific area significantly increases, and the worksheet area of liner plate increases, and abrasive dust efficient increases; (3) during same theoretic throat, the more solid liner plate weight of hollow grid structure alleviates significantly, and indirect effect is to reduce energy resource consumption significantly, and the energy-saving material-saving effect is remarkable; (4) with technique for overlaying the working surface of ball grinding machine lining board is carried out wear-resisting reinforcement, significantly improve service life.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the longitudinal section view sketch map of Fig. 1.
Fig. 3 is the axial, cross-sectional view sketch map of Fig. 1.
Fig. 4 is the another kind of structural representation of the utility model.
Fig. 5 is the longitudinal section view sketch map of Fig. 4.
Fig. 6 is the axial, cross-sectional view sketch map of Fig. 4.
Label among the figure is: 1. substrate, 2. circumferential gusset, 3. axially gusset, 4. installing hole, 5. caulking groove.
The specific embodiment
From Fig. 1, Fig. 4, can find out; A kind of ball grinding machine lining board, it is provided with the substrate 1 that is connected with ball mill barrel, and substrate is provided with installing hole 4; Be used for being connected fixingly through bolt with ball mill barrel, some ball grinding machine lining boards rearrange whole lining in ball mill barrel.Be connected with some circumferential gussets 2 and axial gusset 3 on the said substrate 1, circumferentially gusset 2 and axial gusset 3 interlaced composition hollow grid structure on substrate 1.Here said circumferential and axial are relative ball mill barrels.Said substrate and gusset are the multiple layer of bimetallic wear-resisting steel plate.The thickness of said substrate and gusset is 15-30mm.Circumferentially gusset 2 is 50-100mm with the height of axial gusset 3.The inner edge length of side of hollow grid is 80-160mm.
The wear-resistant alloy material of the utility model iron-based is a main alloy element with V, Mo, Cr, B, rare earth etc., is main hard hardening constituent with the carbon-boron compound of chromium.Rare earth can be selected compound or the alloy of cerium Ce, yttrium Y etc. for use.Content (weight %) is formed in the optimization of alloy: C 2-3, Cr 15-25, V 0.1-2, Mo 0.3-3, B 0.2-3, Ni 0.5-3, rare earth compound 0.01-2, surplus are Fe.The preferred rare earth yttrium of rare earth Y compound, content (weight %) is 0.02-1.0.This alloy material has very high wear-resistant grain polishing machine and impact wear resistance.
Can be provided with strip caulking groove 5 on the said substrate 1 of the utility model, during connection, circumferentially gusset 2 is installed in the caulking groove 5 with axial gusset 3, and both sides are welded to connect with wear-resistant alloy material.Also can be provided with some tongue-and-grooves on the said substrate 1, circumferentially gusset 2 with axially be respectively equipped with the tenon that cooperates with tongue-and-groove on the gusset 3, circumferentially the periphery that contacts with substrate 1 of gusset 2 and axial gusset 3 is through being welded to connect.Connect more firmly, reliably shock resistance like this.
The said hollow grid structure of the utility model is that size is identical, the consistent alveolate texture of height.Like Fig. 1, Fig. 2, shown in Figure 3.The inner surface of grid all is the work abradant surface, and the grinding ratio surface area increases greatly.Each grid can be adorned at most and receive a grinding steel ball, and rotates the grinding steel ball of jettisoninging with cylindrical shell, can promote steel ball effectively and leave height.
The said hollow grid structure of the utility model can also upwards be notch cuttype or ripple type in ball mill barrel week.That is to say that same axial gusset 3 height are identical, adjacent shaft is different to gusset 3 height; Same circumferential gusset 2 is notch cuttype or ripple type.The hollow grid structure of forming so upwards is being the distribution of notch cuttype or ripple type ball mill barrel week.Like Fig. 4, Fig. 5, shown in Figure 6.This structure specific area is big, and steel ball and material movement are smooth.When ball mill barrel rotated, this structure can promote steel ball more effectively and leave height and abrasive dust efficient.
The utility model liner plate is a kind of " structure function product ".Its basic functional principle is: along with cylindrical shell rotates, the steel ball in the hollow grid will be thrown down after will being brought to certain altitude, and material is produced bang, realize shattering process; Steel ball and grid bottom surface and peripheral gusset are done attaches the wall relative motion, and material is produced abrasive action.Owing to set up the hollow grid structure, can bring following additional effect: the liner plate of (1) same theoretic throat, owing to adopted the hollow grid structure, liner plate weight descends 50%～66%.The hollow space of liner plate is occupied by steel ball and material, and the coefficient of ball mill can increase 8%～12%.(2) owing to the existence of hollow grid structure, abrading-ball can be brought to the height of ground angle more than 80 ° and throw down, and the bang effect is strengthened, the raising of abrasive dust efficient.(3) because the existence of hollow grid structure can be taken levigate breeze to eminence and evenly spread down, mix again, avoid fine powder in the liner plate set of surfaces of bottom, also to be ground the phenomenon of (overground) repeatedly, further improve abrasive dust efficient with meal.(4) process of lapping under traditional ball grinding machine lining board condition mainly occurs between abrading-ball and the liner plate, the actual specific area that increases liner plate of hollow grid structure, so process of lapping is more abundant, abrasive dust efficient further improves.
The utility model adopts the low-alloy steel rolled plate to do mother metal, implements wear-resistant built-up welding and processes the hollow grid structure on the mother metal surface.Surfacing alloy material is got hypereutectic tissue, forms best obdurability and wearability combination with mother metal.Its outstanding behaviours is: (1) service life high service life is respectively 4 times, more than 2 times of high chrome cast iron lining plate of commercially available high manganese steel lining plate.(2) material-saving liner plate weight decline 50%～66% (3) is energy-conservation because of liner plate weight decline 50%; The ball mill weight of always working descends 25%; Can practice thrift and drive electricity consumption 20%, through reduce overground idle work with improve abrasive dust efficient can be energy-conservation 10%, the stack that exposes is total energy-conservationly can to reach 30%.(4) abrasive dust efficient is high.Effect is strengthened and is effectively ground under the acting in conjunction of probability raising because the ball mill coefficient increases, toss is thumped, and abrasive dust efficient can improve 15%.
Claims (6)
1. ball grinding machine lining board, it is provided with the substrate that is connected with ball mill barrel, it is characterized in that: said substrate is provided with by some circumferential gussets and the axial interlaced hollow grid structure of forming of gusset, and said substrate and gusset are the multiple layer wear-resisting steel plate of bimetallic.
2. ball grinding machine lining board according to claim 1 is characterized in that: the thickness of said substrate and gusset is 15-30mm, and circumferentially gusset is 50-100mm with the height of axial gusset, and the inner edge length of side of hollow grid is 80-160mm.
3. ball grinding machine lining board according to claim 1 is characterized in that: said substrate is provided with caulking groove, and circumferentially gusset is installed in the caulking groove with axial gusset, and both sides are welded to connect with wear-resistant alloy material.
4. ball grinding machine lining board according to claim 1; It is characterized in that: said substrate is provided with some tongue-and-grooves; Circumferentially be respectively equipped with the tenon that cooperates with tongue-and-groove on gusset and the axial gusset, circumferentially gusset is with axially gusset and substrate contacts position are welded to connect with wear-resistant alloy material.
5. ball grinding machine lining board according to claim 1 is characterized in that: said hollow grid structure is identical for size, the consistent alveolate texture of height.
6. ball grinding machine lining board according to claim 1 is characterized in that: said hollow grid structure upwards is notch cuttype or ripple type in ball mill barrel week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120205035U CN202129126U (en) | 2011-06-17 | 2011-06-17 | Lining board of ball grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120205035U CN202129126U (en) | 2011-06-17 | 2011-06-17 | Lining board of ball grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202129126U true CN202129126U (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120205035U Expired - Fee Related CN202129126U (en) | 2011-06-17 | 2011-06-17 | Lining board of ball grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202129126U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228854A (en) * | 2011-06-17 | 2011-11-02 | 于风福 | Ball grinding mill lining plate and manufacture method thereof |
| CN109926166A (en) * | 2019-04-28 | 2019-06-25 | 四川省星船城水泥股份有限公司 | A kind of ball mill compartment component and ball mill |
-
2011
- 2011-06-17 CN CN201120205035U patent/CN202129126U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228854A (en) * | 2011-06-17 | 2011-11-02 | 于风福 | Ball grinding mill lining plate and manufacture method thereof |
| CN109926166A (en) * | 2019-04-28 | 2019-06-25 | 四川省星船城水泥股份有限公司 | A kind of ball mill compartment component and ball mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANDUN WELDING MATERIAL ENGINEERING CO., LTD., WEI Free format text: FORMER OWNER: YU FENGFU Effective date: 20140401 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 264211 WEIHAI, SHANDONG PROVINCE TO: 264209 WEIHAI, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140401 Address after: 264209 Shandong city of Weihai province Shenyang District Road No. 108 building room 207 innovation Patentee after: Weihai Sandun Welding Materials Engineering Co., Ltd. Address before: 264211 room 6-401, Qingqing Town, hi tech District, Weihai, Shandong Patentee before: Yu Fengfu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20160617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |