CN207839124U - A kind of multi-layer braided filling reparation structure of end cover of ball mill - Google Patents
A kind of multi-layer braided filling reparation structure of end cover of ball mill Download PDFInfo
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- CN207839124U CN207839124U CN201721594919.3U CN201721594919U CN207839124U CN 207839124 U CN207839124 U CN 207839124U CN 201721594919 U CN201721594919 U CN 201721594919U CN 207839124 U CN207839124 U CN 207839124U
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Abstract
The utility model discloses a kind of multi-layer braided filling reparation structure of end cover of ball mill, including end cap, liner plate, circular arc gap, the first filled layer, gap of the circular arc gap between end cap and liner plate circular arc mating surface, first filled layer is filled in circular arc gap, and first filled layer includes nonmetallic filler material I and is immersed in filler material I and covers the mesh grid in circular arc gap.The hot melt filler material that the utility model wraps up mesh grid in circular arc gap or even both ends gap filling forms non-metallic filler layer, built-up welding in compared with prior art or coating application, end cap and liner plate will not crack or cause due to welding local grain is coarse and stress concentration, will not because coating drying after due to vibrations due to be crushed influence repairing effect.In addition, nonmetallic filled layer can anti-corrosion, and repairing construction is convenient, at low cost, shock resistance is good.Therefore, the utility model has the characteristics that simple in structure, reparation is convenient, at low cost, repair time is short.
Description
Technical field
The utility model belongs to mine optional equipment technical field, and in particular to one kind is simple in structure, it is convenient, at low cost to repair,
Structure is repaired in the repair time short multi-layer braided filling of end cover of ball mill.
Background technology
Ball mill is that material is broken and then is packed into its cylinder a certain number of steel balls as abrasive media progress
The key equipment of crushing is widely used in cement, silicate product, New Building Materials, refractory material, chemical fertilizer, black and has
The production industries such as non-ferrous metal ore dressing and glass ceramics.Ball mill when for grinding operation, due to end cover of ball mill casting and
The problems such as liner plate machining accuracy, installation, often covers between liner plate and every table grinder and all there is fit-up gap, liner plate is caused to install
Afterwards, there are certain intervals between liner plate and end cover of ball mill.Especially liner plate cannot closely be close to be formed with the arc surface of end cap
Circular arc gap, the broken steel ball and ore pulp generated in shattering process can enter the circular arc seam of cover internal by grate and dispenser
Gap, in ball mill runs rotation operational process, broken steel ball and ore pulp constantly follow ball mill barrel to rotate at end cap, will
The circular arc gap location of end cap is caused to be seriously worn.Abrasion to a certain extent, do not find and repair in time, will result in crackle,
Hole etc. forms spillage, is continuously run to influence the normal of ball mill.
In the prior art, it is generally applied using built-up welding or sapecial coating with the reparation in circular arc gap between end cap for liner plate
The method of brush.Will produce high-temperature fusion since heap is welded in weld, be easy to cause end cap crackle or cause that local grain is coarse and
Stress concentration, and weld more apparent to the limitation of place, welding technique.And sapecial coating brushing is used, if after dry
It due to there is no dowel between coating, can cause to be crushed due to the use of vibrations in the process, to influence to use the longevity after repairing
Life.In addition, the either structure of built-up welding or coating application reparation, could implement after being required for an end cap to be separated with liner plate,
Not only dismounting is complicated and time-consuming, but also can also be grasped because loading is bad after secondary assembling, centering and the problems such as ellipse, it is also difficult to
Circular arc interval is eliminated, so that the problem of also will produce ore pulp intrusion and leading to abrasion, reduces the service life after repairing.
Utility model content
The utility model is in view of the problems of the existing technology and insufficient, provide it is a kind of it is simple in structure, repair it is convenient, at
Structure is repaired in this multi-layer braided filling of end cover of ball mill low, that repair time is short.
The utility model is realized in this way：Including end cap, liner plate, circular arc gap, the first filled layer, the circular arc gap
For the gap between end cap and liner plate circular arc mating surface, first filled layer is filled in circular arc gap, first filling
Layer includes filler material I and the mesh grid for being immersed in filler material I and covering circular arc gap.
The utility model is at the circular arc chamfering of end cap and liner plate in circular arc gap or even both ends gap, filling package braiding
The hot melt filler material of net forms non-metallic filler layer, to repair because of end cap casting, liner plate machining accuracy, installation and use mill
Circular arc gap caused by damage or even both ends gap.The reparation structure of the utility model can be in the case where not detaching end cap and liner plate
It is repaired, not only reparation speed is fast, but also can effectively eliminate the gap between end cap and liner plate, makes after repairing to improve
Use the service life；Built-up welding in compared with prior art or coating application, end cap and liner plate will not crack or cause office because of welding
Portion's coarse grains and stress concentration；Due to being enclosed with mesh grid in filled layer, there will not be after being dried such as coating because of vibrations
It is crushed and influences repairing effect.In addition, filled layer based on nonmetallic hot melt filler material can anti-corrosion, and repairing construction
It is convenient, at low cost, shock resistance is good.Therefore, the utility model is with simple in structure, reparation is convenient, at low cost, repair time is short
Feature.
Description of the drawings
Fig. 1 is the utility model principle schematic diagram；
In figure：1- end caps, 2- liner plates, 3- circular arcs gap, the first filled layers of 4-, the second filled layers of 5-, 6- third filled layers,
The gaps 7-.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples, but not in any way to this practicality
It is novel to limit, based on any changes and modifications made by the utility model introduction, belong to the protection model of the utility model
It encloses.
As shown in Figure 1, the utility model includes end cap 1, liner plate 2, circular arc gap 3, the first filled layer 4, between the circular arc
Gap of the gap 3 between 2 circular arc mating surface of end cap 1 and liner plate, first filled layer 4 are filled in circular arc gap 3, and described
One filled layer 4 includes filler material I and the mesh grid for being immersed in filler material I and covering circular arc gap 3.
The second filled layer 5 of the first filled layer 4 of covering is also filled in the circular arc gap 3, second filled layer 5 wraps
It includes filler material II and is immersed in filler material II and covers the mesh grid of circular arc gap 3 or the first filled layer 4.
The third filled layer 6 of the second filled layer 5 of covering is also filled in the circular arc gap 3, the third filled layer 6 wraps
It includes the filler material III full of circular arc gap 3 and is immersed in filler material III and covers the braiding of circular arc gap 3 or the second filled layer 5
Net.
7 are also had the gap at 3 both ends of circular arc gap between the end cap 1 and liner plate 2, the filler material III is packed into gap 7.
The filler material I is that the ratio between cement, pitch, epoxy resin, aggregate are 3：2：2：3 hot melt mixture.
The filler material II is that the ratio between cement, pitch, epoxy resin, aggregate are 2：3：2：3 hot melt mixture.
The filler material III is that the ratio between cement, pitch, epoxy resin, aggregate are 2：3：3：2 hot melt mixture.
The mesh grid is plastic knitting band, fibre reinforced composites band is woven to rectangular mesh or network knot
Structure.
The fibre reinforced composites band is basalt fibre band or enhanced glass fiber tape.
Utility model works principle and restorative procedure：
The utility model is at the circular arc chamfering of end cap and liner plate in circular arc gap or even both ends gap, filling package braiding
The hot melt filler material of net forms non-metallic filler layer, to repair because of end cap casting, liner plate machining accuracy, installation and use mill
Circular arc gap caused by damage or even both ends gap.The reparation structure of the utility model can be in the case where not detaching end cap and liner plate
It is repaired, not only reparation speed is fast, but also can effectively eliminate the gap between end cap and liner plate, makes after repairing to improve
Use the service life；Built-up welding in compared with prior art or coating application, end cap and liner plate will not crack or cause office because of welding
Portion's coarse grains and stress concentration there will not be after being dried such as coating due to being enclosed with mesh grid in filled layer because of vibrations
It is crushed and influences repairing effect.In addition, filled layer based on nonmetallic hot melt filler material can anti-corrosion, and repairing construction
It is convenient, at low cost, shock resistance is good.Further, the second filled layer or even third filled layer are filled in circular arc gap, and by third
Gap of the filled layer full of circular arc gap or even both ends；By the multilayer filling in circular arc gap, both it was avoided that in filled layer
The effect after aeration is repaired is retained, and multilayer filling can also be by adjusting the ratio of each layer inner filling material so that each
Layer has different mechanical performances, to improve the service life after repairing.Further, filler material I, filler material II and filling
The hot melt mixture that material III is cement, pitch, epoxy resin, aggregate are constituted is not required to separation end cap and lining when being both easily repaired
Plate is constructed, and adds pitch and epoxy resin elastomeric material, and the filled layer after reparation can be made with the heat expansion of end cap and liner plate
Shrinkage is flexible and not broken；In addition, the ratio of each raw material is different in each filler material, each filled layer can be made to form different mechanicalnesses
Can, to improve the service life after repairing.Further, mesh grid is that fibre reinforced composites band is woven to rectangular mesh
Or network structure, mesh grid are basalt fibre band or enhanced glass fiber tape with fibre reinforced composites band；It compiles
The rectangular grid of knitmesh or network structure, can be in the intensity requirement after ensureing filled layer filling, and also allows for repairing
Mesh grid is first laid with when construction, mesh grid can be filled and be wrapped to the hot melt filler material poured into a mould afterwards, rather than make mesh grid
Bottom upper back in filled layer, so as to improve the shock resistance of filled layer；In addition, mesh grid uses fiber reinforcement
Composite material can be processed operation when not only repairing using simple tool, and construction is very convenient, can reduce labour's expense
With；And compared with built-up welding, fibre reinforced composites all have good corrosion resistance and durability, thus structure can be improved
Service life so that the maintenance cost of structure and period will all substantially reduce；In addition, using basalt fibre band or enhanced glass
Glass fiber band integrates cost performance highest and environmentally protective.In conclusion the utility model have it is simple in structure, repair it is convenient, at
The feature that this is low, repair time is short.
As shown in Figure 1, according to 3 size of circular arc gap of end cap 1, is devalued using plastic knitting item and set at the first reticular structure
In in circular arc gap 3, use ratio for 3：2：2：After the stirring of the materials heating and melting such as 3 cement, pitch, epoxy resin, aggregate
The mixture of composition is as filler material, inside the circular arc gap 3 after injection end cap 1 is worn along the gap 7 of liner plate 2 and end cap 1, directly
To the first reticular structure has been covered, the first filled layer 4 is formed；Again according to 3 size of end cap residue circular arc gap, compiled using plastics
It knits item and is woven into the second reticular structure and be placed in remaining circular arc gap 3, use ratio is 2 thereafter：3：2：3 cement, pitch,
The mixture formed after the stirring of the materials heating and melting such as epoxy resin, aggregate is as filler material, along the gap 7 of liner plate 2 and end cap 1
It injects inside the circular arc gap 3 after end cap 1 is worn, until having covered the second reticular structure, forms the second filled layer 5；Finally press
According to 3 size of the remaining circular arc of end cap 1 gap, third reticular structure is woven into using plastic knitting item and is placed in remaining circular arc gap 3
It is interior, use ratio for 2 thereafter：3：3：What is formed after the stirring of the materials heating and melting such as 2 cement, pitch, epoxy resin, aggregate is mixed
Object is closed as filler material, inside the circular arc gap 3 after injection end cap 1 is worn along the gap 7 of liner plate 2 and end cap 1, until having covered
Third reticular structure forms third filled layer 6, while ensureing that filler material flows automatically from the gap 7 between liner plate 2 and end cap 1 and overflowing, clearly
Reason overflow goes out extra filler material.After to be solidified, that is, the reparation of end cap 1 is completed, can be put into production use.
Claims (6)
1. structure is repaired in a kind of multi-layer braided filling of end cover of ball mill, it is characterised in that including end cap（1）, liner plate（2）, between circular arc
Gap（3）, the first filled layer（4）, the circular arc gap（3）For end cap（1）With liner plate（2）Gap between circular arc mating surface, institute
State the first filled layer（4）It is filled in circular arc gap（3）It is interior, first filled layer（4）Including filler material I and it is immersed in filler material
In I and cover circular arc gap（3）Mesh grid.
2. structure is repaired in the multi-layer braided filling of end cover of ball mill according to claim 1, it is characterised in that the circular arc gap
（3）Inside it is also filled with the first filled layer of covering（4）The second filled layer（5）, second filled layer（5）Including filler material II and
It is immersed in filler material II and covers circular arc gap（3）Or first filled layer（4）Mesh grid.
3. structure is repaired in the multi-layer braided filling of end cover of ball mill according to claim 2, it is characterised in that the circular arc gap
（3）Inside it is also filled with the second filled layer of covering（5）Third filled layer（6）, the third filled layer（6）Including being full of between circular arc
Gap（3）Filler material III and be immersed in filler material III and cover circular arc gap（3）Or second filled layer（5）Mesh grid.
4. structure is repaired in the multi-layer braided filling of end cover of ball mill according to claim 3, it is characterised in that the end cap（1）With
Liner plate（2）Between in circular arc gap（3）Both ends also have the gap（7）, the filler material III is packed into gap（7）.
5. repairing structure according to the multi-layer braided filling of end cover of ball mill described in Claims 1-4 any one, it is characterised in that institute
It states mesh grid and is woven to rectangular mesh or network structure for plastic knitting band, fibre reinforced composites band.
6. structure is repaired in the multi-layer braided filling of end cover of ball mill according to claim 5, it is characterised in that the fiber reinforcement
Composite material tape is basalt fibre band or enhanced glass fiber tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721594919.3U CN207839124U (en) | 2017-11-25 | 2017-11-25 | A kind of multi-layer braided filling reparation structure of end cover of ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721594919.3U CN207839124U (en) | 2017-11-25 | 2017-11-25 | A kind of multi-layer braided filling reparation structure of end cover of ball mill |
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| CN207839124U true CN207839124U (en) | 2018-09-11 |
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| CN201721594919.3U Active CN207839124U (en) | 2017-11-25 | 2017-11-25 | A kind of multi-layer braided filling reparation structure of end cover of ball mill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175883A (en) * | 2018-11-16 | 2019-01-11 | 赵长江 | A kind of ball mill renovation technique |
| CN110814635A (en) * | 2019-11-20 | 2020-02-21 | 山东东华水泥有限公司 | Method for repairing wear of sliding shoe of ball mill |
| CN111451710A (en) * | 2020-03-19 | 2020-07-28 | 广东粤华发电有限责任公司 | Method for repairing feeding end cover of coal mill |
-
2017
- 2017-11-25 CN CN201721594919.3U patent/CN207839124U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175883A (en) * | 2018-11-16 | 2019-01-11 | 赵长江 | A kind of ball mill renovation technique |
| CN109175883B (en) * | 2018-11-16 | 2023-10-31 | 赵长江 | Repairing process of ball mill |
| CN110814635A (en) * | 2019-11-20 | 2020-02-21 | 山东东华水泥有限公司 | Method for repairing wear of sliding shoe of ball mill |
| CN111451710A (en) * | 2020-03-19 | 2020-07-28 | 广东粤华发电有限责任公司 | Method for repairing feeding end cover of coal mill |
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