CN210496649U - Lining plate of semi-autogenous grinding ball mill for metal ores - Google Patents
Lining plate of semi-autogenous grinding ball mill for metal ores Download PDFInfo
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- CN210496649U CN210496649U CN201921351079.7U CN201921351079U CN210496649U CN 210496649 U CN210496649 U CN 210496649U CN 201921351079 U CN201921351079 U CN 201921351079U CN 210496649 U CN210496649 U CN 210496649U
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Abstract
The utility model discloses a lining plate of a semi-autogenous grinding ball mill for metal ores, which comprises a plurality of composite cylinder plates which are uniformly distributed according to the circumference of a semi-autogenous grinding cylinder body and are arranged in the semi-autogenous grinding cylinder body, and composite lifting strips arranged between every two composite cylinder plates; the composite barrel plate comprises a rubber barrel plate body with a plurality of caulking grooves, the barrel plate body is in an arc shape conforming to the circumference of a semi-autogenous grinding barrel body, two mounting lugs are arranged on two sides of the barrel plate body, two rows of caulking groove bodies higher than the mounting lugs are arranged in the middle of the barrel plate body, one row of caulking groove bodies are higher than the other row of caulking groove bodies to form steps, a plurality of caulking grooves are arranged in each row of caulking groove bodies, and wear-resistant alloy blocks are arranged in the caulking grooves; the composite lifting strip comprises a rubber lifting strip body, a connecting framework is installed in the middle of the bottom of the lifting strip body and connected with mounting lugs, a plurality of caulking grooves are formed in the lifting strip body, and wear-resistant alloy blocks are installed in the caulking grooves. The utility model discloses the mill is efficient, and the power consumption is few, and is longe-lived, and the noise is low, light in weight, simple to operate, safe and reliable.
Description
Technical Field
The utility model relates to a semi-autogenous grinding ball mill welt in metal mine belongs to mill equipment technical field.
Background
Currently, the wear liners in large ball mills, semi-autogenous mills and autogenous mills used in the world mineral separation industry for crushing materials are mainly cast from metal. Generally, for the lining plate, the higher the hardness of the material is, the better the wear resistance is; the higher the strength of the material is, the better the wear resistance is; the higher the impact toughness (akv), the better the fracture resistance. Therefore, the prior art has attempted to improve the hardness and impact toughness of the metal lining plate. However, since the manufacturing process of the metal lining plate is mainly casting, the hardness and toughness indexes of the cast lining plate are a pair of contradictions due to the process, namely: the hardness is improved, and the wear resistance is improved, so that the toughness index is reduced, and the impact fracture resistance of the lining plate is influenced; and vice versa.
Therefore, the casting technology of the metal lining plate is difficult to solve the problem that the lining plate has both good impact toughness and high wear resistance, so the existing general principle is to improve the hardness to the maximum extent under the condition of ensuring the impact toughness value. Therefore, the service life of the metal lining plate is difficult to be greatly prolonged under the current conditions, and the service life of the lining plate of the existing large-scale semi-autogenous mill is only about 2-3 months generally. The prior lining plate has the following disadvantages in use: large noise, large power consumption, short service life, high cost and difficult installation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that prior art exists, provide an improvement mill that can furthest grinds ore efficiency, grind ore consumption at least, life cycle is long, and the noise pollution to the environment is little in the operation, light in weight, and installation cycle is short, safe and reliable's semi-autogenous grinding ball mill welt in metal mine.
In order to achieve the above purpose, the utility model adopts the technical proposal that: a metal ore semi-autogenous grinding ball mill lining plate is composed of a plurality of composite cylinder plates which are uniformly distributed according to the circumference of a semi-autogenous grinding cylinder body and are arranged in the semi-autogenous grinding cylinder body, and composite lifting strips arranged between every two composite cylinder plates; the composite barrel plate comprises a rubber barrel plate body with a plurality of caulking grooves, the barrel plate body is arc-shaped and conforms to the circumference of a semi-autogenous grinding barrel body, two mounting lugs are arranged on two sides of the barrel plate body, two rows of caulking groove bodies higher than the mounting lugs are arranged in the middle of the barrel plate body, one row of caulking groove bodies are higher than the other row of caulking groove bodies to form steps, a plurality of caulking grooves are arranged in each row of caulking groove bodies, and wear-resistant alloy blocks are arranged in the caulking grooves; the composite lifting strip comprises a rubber lifting strip body, a connecting framework is installed in the middle of the bottom of the lifting strip body and connected with mounting lugs, a plurality of caulking grooves are formed in the lifting strip body, and wear-resistant alloy blocks are installed in the caulking grooves.
Furthermore, two rows of caulking grooves are arranged on the lifting strip body, wherein one row is a through caulking groove with an inclination angle, a quadrilateral wear-resistant alloy block is arranged in the through caulking groove, and the included angle between the inclined edge of the wear-resistant alloy block positioned outside and the top surface of the lifting strip body is 45-70 degrees; the other row is formed by a plurality of caulking grooves with right trapezoid cross sections which are uniformly distributed in parallel, right trapezoid wear-resistant alloy blocks are arranged in the right trapezoid caulking grooves, and the inclined edge of the direct trapezoid is adjacent to the through caulking groove.
Furthermore, the connection framework is a hollow square with an opening at the middle part of the lower edge, the two sides of the hollow square are provided with extending edges, and the two extending edges are embedded into the lifting strip body.
Furthermore, the end part of the mounting lug is provided with an inward triangular bulge, and the triangular bulge is positioned in the middle opening of the lower edge of the framework and hooks the edge of the opening during mounting.
Furthermore, four caulking grooves are arranged on each row of the cylinder plate body, and the caulking grooves are square.
Furthermore, the height difference of the two rows of the embedding groove bodies on the cylindrical plate body is 1/2-1/4 higher than the height of the embedding groove bodies.
Further, the height of the composite lifting strip after installation is 2-4 times of the height of the highest point of the composite barrel plate after installation.
Furthermore, the height of the composite lifting strip is 40-120 mm.
Compared with the prior art, the utility model, beneficial technological effect is: under the same condition, due to the reasons of rubber buffering and sound insulation, the noise can be reduced by 25-50 decibels; the elastomer lining plate is light, the bearing load is reduced, the unit abrasion and the power consumption are reduced by more than 10-15%, the bearing load of the mill can be reduced, and the service life of equipment is prolonged; the service life of the elastomer lining plate can reach 18 months, the unit consumption cost of the lining plate is reduced, and the equipment operation rate is improved; the elastomer lining plate has light weight, so that the labor intensity of an individual is reduced, and the installation operation efficiency is improved; the rubber lining plate replaces steel, the emission of carbon dioxide can be reduced by 26.18 tons and sulfur can be reduced by 7.14 tons per ton, and the environment is protected.
Drawings
The invention is further explained below with reference to the drawings and the examples.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the composite tube plate of the present invention;
FIG. 3 is a schematic structural section view of the composite tube plate of the present invention;
fig. 4 is a schematic structural view of the composite lifting strip of the present invention;
fig. 5 is a schematic structural section of the composite lifting strip of the present invention.
In the figure: 1. the semi-autogenous grinding barrel comprises a semi-autogenous grinding barrel body, 2 parts of a composite barrel plate, 21 parts of a barrel plate body, 22 parts of mounting lugs, 23 parts of a caulking groove body, 24 parts of a wear-resistant alloy block, 3 parts of a composite lifting strip, 31 parts of a lifting strip body, 32 parts of a connecting framework, 33 parts of a wear-resistant alloy block and 34 parts of a through caulking groove.
Detailed Description
As shown in fig. 1, 2, 3, 4 and 5, the lining plate of the metal ore semi-autogenous grinding ball mill comprises a plurality of composite cylinder plates 2 which are uniformly distributed according to the circumference of a semi-autogenous grinding cylinder body 1 and are arranged in the semi-autogenous grinding cylinder body 1, and composite lifting strips 3 which are arranged between every two composite cylinder plates 2; the composite barrel plate 2 comprises a rubber barrel plate body 21 with a plurality of caulking grooves, the barrel plate body 21 is arc-shaped and conforms to the circumference of a semi-autogenous grinding barrel, two mounting lugs 22 are arranged on two sides of the barrel plate body 21, two rows of caulking groove bodies 23 higher than the mounting lugs are arranged in the middle of the barrel plate body 21, one row of caulking groove bodies are higher than the other row of caulking groove bodies to form steps, a plurality of caulking grooves are arranged in each row of caulking groove bodies, and wear-resistant alloy blocks 24 are arranged in the caulking grooves; the composite lifting strip 3 comprises a rubber lifting strip body 31, a connecting framework 32 is installed in the middle of the bottom of the lifting strip body 31, the connecting framework 32 is connected with the mounting lug 22, a plurality of caulking grooves are formed in the lifting strip body 31, and wear-resistant alloy blocks 33 are installed in the caulking grooves.
Two rows of caulking grooves are arranged on the lifting strip body 31, wherein one row is a through caulking groove 34 with an inclined angle, a quadrilateral wear-resistant alloy block is arranged in the through caulking groove 34, and the inclined edge of the wear-resistant alloy block positioned outside and the top surface of the lifting strip body form an included angle of 45-70 degrees; the other row is formed by a plurality of caulking grooves with right trapezoid cross sections which are uniformly distributed in parallel, right trapezoid wear-resistant alloy blocks are arranged in the right trapezoid caulking grooves, and the inclined edge of the direct trapezoid is adjacent to the through caulking groove.
The connecting framework 32 is a hollow square with an opening at the middle part of the lower edge, the two sides of the hollow square are provided with extending edges, and the two extending edges are embedded into the lifting strip body.
The end of the mounting ear 22 has an inward triangular protrusion, which is located in the middle opening of the lower edge of the frame and hooks the edge of the opening when mounting.
Four caulking grooves are arranged on each row of the tube plate body 21, and the caulking grooves are square.
The height difference of the two rows of the embedding groove bodies on the tube plate body 21 is 1/2-1/4 higher than the height of the embedding groove bodies.
The height of the composite lifting strip 31 after installation is 2-4 times of the height of the highest point of the composite barrel plate after installation.
The height of the composite lifting strip 31 is 40-120 mm. When the height of the composite lifting bar is less than 40mm, the height difference between the composite lifting bar 31 and the tube plate body 21 is too small, or when the height difference is more than 120mm, the height difference between the composite lifting bar 31 and the tube plate body 21 is too large, and the desired technical effect cannot be produced.
Utility model people discover, adopt elastomer material to do the welt can increase of service life, reduce external destructive power. From newton's second law (F = ma), momentum conservation law (P = mv = ft), it is known that: the force of the impact of the moving object on the lining plate depends on the mass, the speed and the direction of the object; and the action time of the object impacting the lining plate. Since the elastomer material reacts much longer against the material than the rigid material, the forces acting on the elastomer are greatly reduced, which is the basic principle why the rubber elastomer material is used for making mill liners and why it is wear-resistant, and the efficiency of the elastomer in crushing the material is very low. Therefore, under the condition of larger ore feeding granularity (Pa > 1), when the efficiency of stripping is higher in the ore grinding work, the application elastomer material preparation mill simple body welt can influence output, the utility model discloses the compound bobbin plate 2 of people's design to and the compound lifting strip 3 of installation between per two compound bobbin plates 2, wear-resisting alloy piece is installed to the caulking groove wherein, and the above-mentioned structural feature restriction has been given, and like this, the semi-autogenous grinding ball mill welt of metal ore that finally gives has following advantage:
firstly, the noise is reduced by more than 25-50 decibels under the same condition by utilizing the buffering and sound insulation capabilities of rubber;
secondly, due to the adoption of a composite structure, the whole lining plate is lighter than that of the prior art, the bearing load is reduced, and the unit abrasion power consumption can be reduced by more than 10-15%;
thirdly, the elastomer is compounded with the wear-resistant alloy, the manufactured structure is ingenious in design, the service life of the lining plate is long, and the equipment operation rate is improved;
the composite structure lining plate has high cost performance, and the unit consumption cost of the lining plate can be reduced;
fifthly, as the whole lining plate is light in weight, the load of a bearing of the mill can be reduced, and the service life of equipment is prolonged; the labor intensity of individuals is reduced, and the installation operation efficiency is improved;
sixthly, the rubber replaces steel, and the emission of carbon dioxide can be reduced by 26.18 tons and the emission of sulfur can be reduced by 7.14 tons per ton.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. The utility model provides a semi-autogenous grinding ball mill welt of metal mine which characterized in that: the composite cylinder plate is characterized by comprising a plurality of composite cylinder plates which are uniformly distributed according to the circumference of a semi-autogenous grinding cylinder body and are arranged in the semi-autogenous grinding cylinder body, and composite lifting strips arranged between every two composite cylinder plates; the composite barrel plate comprises a rubber barrel plate body with a plurality of caulking grooves, the barrel plate body is arc-shaped and conforms to the circumference of a semi-autogenous grinding barrel body, two mounting lugs are arranged on two sides of the barrel plate body, two rows of caulking groove bodies higher than the mounting lugs are arranged in the middle of the barrel plate body, one row of caulking groove bodies are higher than the other row of caulking groove bodies to form steps, a plurality of caulking grooves are arranged in each row of caulking groove bodies, and wear-resistant alloy blocks are arranged in the caulking grooves; the composite lifting strip comprises a rubber lifting strip body, a connecting framework is installed in the middle of the bottom of the lifting strip body and connected with mounting lugs, a plurality of caulking grooves are formed in the lifting strip body, and wear-resistant alloy blocks are installed in the caulking grooves.
2. The metal ore semi-autogenous mill liner of claim 1, wherein: the lifting strip body is provided with two rows of caulking grooves, one row is a through caulking groove with an inclination angle, a quadrilateral wear-resistant alloy block is arranged in the through caulking groove, and the included angle between the inclined edge of the wear-resistant alloy block positioned outside and the top surface of the lifting strip body is 45-70 degrees; the other row is formed by a plurality of caulking grooves with right trapezoid cross sections which are uniformly distributed in parallel, right trapezoid wear-resistant alloy blocks are arranged in the right trapezoid caulking grooves, and the inclined edge of the direct trapezoid is adjacent to the through caulking groove.
3. The metal ore semi-autogenous mill liner of claim 1, wherein: the connecting framework is a hollow square with an opening at the middle part of the lower edge, the two sides of the hollow square are provided with extending edges, and the two extending edges are embedded into the lifting strip body.
4. The metal ore semi-autogenous mill liner plate of claim 3, wherein: the end of the mounting lug is provided with an inward triangular bulge, and the triangular bulge is positioned in the middle opening of the lower edge of the framework and hooks the edge of the opening during mounting.
5. The metal ore semi-autogenous mill liner of claim 1, wherein: four caulking grooves are arranged on each row of the tube plate body, and the caulking grooves are square.
6. The metal ore semi-autogenous mill liner plate of claim 5, wherein: the height difference of the two rows of the embedding groove bodies on the tube plate body is 1/2-1/4 higher than the height of the embedding groove bodies.
7. The metal ore semi-autogenous mill liner of claim 1, wherein: the height of the composite lifting strip after installation is 2-4 times of the height of the highest point of the composite barrel plate after installation.
8. The metal ore semi-autogenous mill liner plate of claim 7, wherein: the height of the composite lifting strip is 40-120 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351079.7U CN210496649U (en) | 2019-08-20 | 2019-08-20 | Lining plate of semi-autogenous grinding ball mill for metal ores |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351079.7U CN210496649U (en) | 2019-08-20 | 2019-08-20 | Lining plate of semi-autogenous grinding ball mill for metal ores |
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| CN210496649U true CN210496649U (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339913A (en) * | 2019-08-20 | 2019-10-18 | 安徽科雷伯格胶辊有限公司 | A kind of Semi-Autogenous ball grinding machine lining board of metallic ore |
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- 2019-08-20 CN CN201921351079.7U patent/CN210496649U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339913A (en) * | 2019-08-20 | 2019-10-18 | 安徽科雷伯格胶辊有限公司 | A kind of Semi-Autogenous ball grinding machine lining board of metallic ore |
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