CN211070310U

CN211070310U - Lining plate for autogenous mill or semi-autogenous mill and autogenous mill or semi-autogenous mill

Info

Publication number: CN211070310U
Application number: CN201921359688.7U
Authority: CN
Inventors: 孙铭阳; 于传兵; 姚心; 何荣权; 王淑婵; 尤腾胜
Original assignee: China ENFI Engineering Corp
Current assignee: China ENFI Engineering Corp
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-24
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a welt for on autogenous mill or semi-autogenous mill, promote the strip including bottom plate, first promotion strip and second. The lower surface of the bottom plate is an arc surface, and the curvature of the arc surface is the same as that of the cylinder of the autogenous mill or the semi-autogenous mill; the bottom plate is provided with a mounting hole; first promotion strip and second promote the strip and be located the relative both sides and the same highly of the upper surface of bottom plate, the length direction of first promotion strip and second promotion strip and the axial direction syntropy of welt, set up a plurality of column archs along the axial direction interval respectively on the medial surface of first promotion strip and the medial surface of second promotion strip. The lining plate can realize high-efficiency crushing and grinding of a large autogenous mill or a semi-autogenous mill and is impact-resistant. The utility model also discloses an autogenous mill or semi-autogenous mill.

Description

Lining plate for autogenous mill or semi-autogenous mill and autogenous mill or semi-autogenous mill

Technical Field

The utility model relates to an autogenous mill or semi-autogenous mill technical field especially relate to a welt and autogenous mill or semi-autogenous mill that is used for autogenous mill or semi-autogenous mill.

Background

In metal dressing plants, autogenous or semi-autogenous grinding is often used to finely crush the coarsely crushed ore. In an autogenous mill or a semi-autogenous mill, materials generally have two motion forms of throwing and dropping, and the grinding effect also has two types of impact crushing and grinding and stripping crushing. After being thrown by the lining plate lifting strip, the material or grinding medium (steel ball) is hit to the toe material or lining plate of the autogenous mill or semi-autogenous mill under the action of gravity to cause ore crushing, and the material or grinding medium in the dropping motion has a grinding and stripping function, so that the ore is crushed through the grinding and stripping function. Generally, the manner of ore crushing inside autogenous or semi-autogenous mills is predominantly impact crushing. Impact crushing causes the lining plate of the autogenous mill or the semi-autogenous mill to be damaged quickly, and the ore grinding efficiency or the operation rate of the autogenous mill is often the key point for limiting the production capacity of a concentrating mill. With the progress of equipment manufacturing technology and the development of mineral processing technology, the autogenous mill and the semi-autogenous mill develop towards large-scale, the particle size upper limit of ore entering the mill is gradually increased, the size of a grinding medium (steel ball) is correspondingly increased, and higher requirements are provided for the structural strength, the wear resistance and the ore milling efficiency of the lining plate of the large-scale autogenous mill and the semi-autogenous mill.

The side surface of the lifting strip of the lining plate on the existing autogenous mill or semi-autogenous mill for lifting ore or grinding media (steel balls) is generally a plane, and the following main problems exist in the using process: firstly, the lifting strips of the lining plate are easy to crack due to impact of large ores or grinding media (steel balls), so that materials in the mill cannot be effectively lifted directly, and the ore grinding efficiency is reduced; secondly, the service life of the lining plate is short due to the fact that the lifting strips of the lining plate are abraded too fast, and a large amount of time is consumed for replacing the lining plate, so that the operation rate of the autogenous mill or the semi-autogenous mill is difficult to improve, and the economic benefit of the whole plant selection is directly influenced; finally, the structure of the lining plate of the existing autogenous mill or semi-autogenous mill is not reasonable enough, fine-grained ore easily moves to the lower position from the clearance of the large ore or the large steel ball, so that the large ore or the large steel ball is extruded to the upper position, for the large ore or the large steel ball, the effective height of the lifting strip of the lining plate is actually reduced, the direct contact area with the lining plate lifting strip is also reduced, the lining plate lifting strip cannot effectively throw up the large ore or the large steel ball, the large ore or the large steel ball cannot have enough kinetic energy to cause ore crushing after being thrown, and the ore grinding efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses an aim at provide a welt for on autogenous mill or the semi-autogenous mill, can realize that large-scale autogenous mill or the high-efficient attrition of semi-autogenous mill are just able to bear or endure impact.

According to the utility model discloses a welt for on autogenous mill or semi-autogenous mill, include:

the lower surface of the bottom plate is an arc surface, and the curvature of the arc surface is the same as that of the cylinder of the autogenous mill or the semi-autogenous mill; the bottom plate is provided with a mounting hole;

first promotion strip and second promote the strip, first promotion strip with the second promotes the strip and is located the relative both sides and the highly the same of the upper surface of bottom plate, first promotion strip with the length direction that the second promoted the strip with the axial direction syntropy of welt, on the medial surface of first promotion strip with set up a plurality of column archs along the axial direction interval respectively on the medial surface of second promotion strip.

According to the utility model discloses a welt for on autogenous mill or semi-autogenous mill, when the welt is used on autogenous mill or semi-autogenous mill, have following advantage: firstly, the lining plate has good strength, is impact-resistant and not easy to wear, reduces the replacement frequency of the lining plate on the autogenous mill or the semi-autogenous mill, and is beneficial to improving the operating efficiency of the autogenous mill or the semi-autogenous mill; secondly, the large ore or the large steel ball can be effectively lifted by the first lifting strip and the second lifting strip and thrown higher, so that the large ore or the large steel ball has larger kinetic energy when falling to the material or the lining plate, and the ore crushing efficiency and the grinding effect are improved; thirdly, the large-scale of the autogenous mill and the semi-autogenous mill can be realized; fourthly, when the lining plate rotates forwards along with the autogenous mill or the semi-autogenous mill to lift the ore for grinding and cause abrasion on one side of the lining plate, the autogenous mill or the semi-autogenous mill can rotate reversely to lift the ore for grinding by utilizing the other side of the lining plate, thereby reducing the replacement frequency of the lining plate and improving the operating efficiency of the autogenous mill or the semi-autogenous mill.

In some embodiments, the cross-section of the protrusion is a portion of an ellipse, a portion of a triangle, a portion of a circle, a trapezoid, or a rectangle.

In some embodiments, the protrusion is disposed perpendicular to the bottom plate.

In some embodiments, the plurality of protrusions on the first lifting bar are staggered from the plurality of protrusions on the second lifting bar in the axial direction.

In some embodiments, the upper surface of the bottom plate is a flat surface, and the inner side surface of the first lifting bar and the inner side surface of the second lifting bar are both sloped surfaces.

Furthermore, the included angle between the inner side surface of the first lifting strip and the upper surface of the bottom plate is within the range

60 degrees to 80 degrees, and the included angle between the inner side surface of the second lifting strip and the upper surface of the bottom plate ranges from 60 degrees to 80 degrees.

Furthermore, first reinforcing strips are respectively arranged between the inner side surface of the first lifting strip and the upper surface of the bottom plate and between the inner side surface of the second lifting strip and the upper surface of the bottom plate.

Furthermore, the first reinforcing strip comprises a first inclined surface, a first horizontal surface and a first concave cambered surface which are sequentially connected end to end; the first inclined surface is fixed with the slope surface, the first horizontal surface is fixed with the upper surface of the bottom plate, and the first concave cambered surface faces outwards.

In some embodiments, one or more reinforcing rib plates are fixed on the upper surface of the bottom plate, and two ends of each reinforcing rib plate are respectively fixed with the first lifting bar and the second lifting bar.

Furthermore, hoisting holes are formed in the reinforcing rib plate, and the thickness of the reinforcing rib plate is larger than the aperture of each hoisting hole.

And furthermore, two side surfaces of the reinforcing rib plate are vertical surfaces respectively, and second reinforcing strips are arranged between the two side surfaces of the reinforcing rib plate and the bottom plate respectively.

Furthermore, the second reinforcing strip comprises a second vertical surface, a second horizontal surface and a second concave cambered surface which are sequentially connected end to end; the second vertical surface is fixed with one side surface of the reinforcing rib plate, the second horizontal surface is fixed with the upper surface of the bottom plate, and the second concave cambered surface faces outwards.

In some embodiments, the thickness of the bottom plate is 80-90 mm, and the diameter of the mounting hole is 30-60 mm.

In some embodiments, the first and second lifter bars have a height of 1.2 to 4 times the maximum feed grain size, and the first and second lifter bars have a height of 0.5 to 1.5 times the width of the floor.

In some embodiments, the distance between every two adjacent protrusions is 0.5-1.2 times of the maximum feeding granularity, the equivalent diameter of the cross section area of the cylindrical surface of each protrusion is 0.2-0.8 times of the maximum feeding granularity, and the protrusion height of each protrusion is 0.25-0.6 times of the maximum feeding granularity.

The utility model also provides an autogenous mill or semi-autogenous mill.

According to the utility model discloses autogenous mill or semi-autogenous mill, including above-mentioned arbitrary one the welt, the welt has a plurality ofly, and is a plurality of the welt is arranged autogenous mill or on semi-autogenous mill's the barrel.

In some embodiments, the plurality of liner plates comprises long liner plates and short liner plates, and the long liner plates and the short liner plates are simultaneously staggered and spliced in the axial direction and the circumferential direction; or a plurality of the lining plates are the same lining plates, and the same lining plates are spliced and arranged in the circumferential direction.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of an angle of a lining plate for an autogenous mill or a semi-autogenous mill according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a projection on a liner plate for an autogenous or semi-autogenous mill in accordance with an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a first fixing strip for use on a liner plate of an autogenous or semi-autogenous mill according to an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of a second fixing strip for use on a liner plate of an autogenous or semi-autogenous mill in accordance with an embodiment of the present invention.

Fig. 5 is a schematic view of an arrangement of a lining plate for an autogenous mill or a semi-autogenous mill according to an embodiment of the present invention.

Fig. 6 is a schematic view of another arrangement of a liner plate for an autogenous mill or a semi-autogenous mill according to an embodiment of the present invention.

Fig. 7 is a schematic view of another arrangement of a liner plate for an autogenous mill or a semi-autogenous mill according to an embodiment of the present invention.

Reference numerals:

lining plate 1000

Mounting hole 101 of bottom plate 1

First lifting strip 2

Second lifting strip 3

Projection 4

First reinforcing bar 5 first inclined surface 501 first horizontal surface 502 first concave arc 503

Hoisting hole 601 of reinforcing rib plate 6

Second reinforcing strip 7, second vertical surface 701, second horizontal surface 702, second concave cambered surface 703

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A liner plate 1000 for an autogenous or semi-autogenous mill in accordance with an embodiment of the present invention is described below in conjunction with fig. 1-7.

As shown in fig. 1 to 4, a lining plate 1000 for an autogenous mill or a semi-autogenous mill according to an embodiment of the present invention includes a bottom plate 1, a first lifting bar 2, and a second lifting bar 3. The lower surface of the bottom plate 1 is an arc surface, and the curvature of the arc surface is the same as that of a cylinder of an autogenous mill or a semi-autogenous mill; the bottom plate 1 is provided with a mounting hole 101; first promotion strip 2 and second promotion strip 3 are located the relative both sides and the highly the same of bottom plate 1's upper surface, and the length direction of first promotion strip 2 and second promotion strip 3 and the axial direction syntropy of welt 1000, set up a plurality of column archs 4 along the axial direction interval respectively on the medial surface of first promotion strip 2 and on the medial surface of second promotion strip 3.

Specifically, the lower surface of the bottom plate 1 is an arc surface having the same curvature as the curvature of the cylinder of the autogenous mill or the semi-autogenous mill. Therefore, the lower surface of the bottom plate 1 can be attached to the inner wall of the cylinder body of the autogenous mill or the semi-autogenous mill, and the lining plate 1000 is convenient to mount. The bottom plate 1 is provided with a plurality of mounting holes 101, and a connecting piece such as a bolt can be adopted to penetrate through the mounting holes 101 to fix the lining plate 1000 on the cylinder body, so that the fixing is convenient and reliable.

The first lifting strips 2 and the second lifting strips 3 are positioned on two opposite sides of the upper surface of the bottom plate 1 and have the same height, and the length directions of the first lifting strips 2 and the second lifting strips 3 are in the same direction with the axial direction of the lining plate 1000. Therefore, the cross section of the lining plate 1000 is in a U shape, when a plurality of U-shaped lining plates 1000 are spliced and arranged on the inner wall of the cylinder body of the autogenous mill or the semi-autogenous mill along the circumferential direction of the cylinder body, the U-shaped lining plates can be used for improving the granularity of ore with larger size or grinding media (steel balls) with larger size, and the upsizing of the autogenous mill and the semi-autogenous mill is facilitated.

A plurality of columnar protrusions 4 are arranged on the inner side surface of the first lifting strip 2 and the inner side surface of the second lifting strip 3 at intervals along the axial direction. It can be understood that when a plurality of U-shaped liner plates 1000 are spliced and arranged on the inner wall of the cylinder of the autogenous mill or the semi-autogenous mill along the circumferential direction of the cylinder, the protrusions 4 can effectively prevent large ores from being directly thrown onto the first lifting strips 2 or the second lifting strips 3, and the probability that the first lifting strips 2 or the second lifting strips 3 are worn or broken is reduced; meanwhile, the surface areas of the first lifting strip 2 and the second lifting strip 3 are respectively increased by the bulges 4 on the first lifting strip 2 and the bulges 4 on the second lifting strip 3, when ores and steel balls carried by the first lifting strip 2 or the second lifting strip 3 on the self-grinding machine and the semi-self-grinding machine move upwards, fine-grained ores move downwards to a space between the adjacent bulges 4 through large ores, so that the large ores or the large steel balls are directly contacted with the first lifting strip 2, the second lifting strip 3 and the bulges 4, the large ores or the large steel balls can be effectively lifted by the lifting strips and thrown higher, and the large ores or the steel balls have higher kinetic energy when falling to materials or a lining plate 1000, so that the ore crushing efficiency is improved; when the big ore or the big steel ball that drop shed pound first lifting strip 2 or the second lifting strip 3 that falls on the barrel lower part on, the area of contact of arch 4 and big ore is less, and arch 4 can play the splitting crushing effect to the bold ore, further improves bold ore crushing speed.

According to the utility model discloses a welt 1000 for on autogenous mill or semi-autogenous mill, when welt 1000 is used on autogenous mill or semi-autogenous mill, have following advantage: firstly, the lining plate 1000 has good strength, is impact-resistant and is not easy to wear, the replacement frequency of the lining plate 1000 on an autogenous mill or a semi-autogenous mill is reduced, and the improvement of the operating efficiency of the autogenous mill or the semi-autogenous mill is facilitated; secondly, the large ore or the large steel ball can be effectively lifted by the first lifting strip 2 and the second lifting strip 3 and thrown higher, so that the large ore or the large steel ball has larger kinetic energy when falling to the material or the lining plate 1000, and the ore crushing efficiency and the grinding effect are improved; thirdly, the large-scale of the autogenous mill and the semi-autogenous mill can be realized; fourthly, when the lining plate 1000 rotates forward to lift the ore to grind the ore along with the autogenous mill or the semi-autogenous mill, so that one side of the lining plate 1000 is abraded, the autogenous mill or the semi-autogenous mill can rotate reversely to lift the ore to grind the ore by using the other side of the lining plate 1000, thereby reducing the replacement frequency of the lining plate 1000 and improving the operation efficiency of the autogenous mill or the semi-autogenous mill.

In some embodiments, the cross section of the protrusion 4 is a part of an ellipse (as shown in fig. 2), a part of a triangle, a part of a circle, a trapezoid or a rectangle, which can be selected according to actual needs.

In some embodiments, the protrusions 4 are arranged perpendicular to the base plate 1. That is, the included angle between the protrusion 4 on the first lifting strip 2 and the bottom plate 1 is 90 degrees, which is smaller than the included angle between the first lifting strip 2 and the bottom plate 1; the included angle between the bulge 4 on the second lifting strip 3 and the bottom plate 11 is 90 degrees and is smaller than the included angle between the second lifting strip 3 and the bottom plate 1; therefore, when the first lifting strip 2 or the second lifting strip 3 throws the large ore or the steel ball, the throwing height of the large ore or the steel ball is increased more easily, and the lifting effect of the lining plate 1000 on the large ore or the steel ball is further improved.

In some embodiments, the plurality of protrusions 4 on the first lifting bar 2 are staggered from the plurality of protrusions 4 on the second lifting bar 3 in the axial direction. Thereby, it is easier to lift large ore or steel balls.

In some embodiments, the upper surface of the bottom plate 1 is a plane, and the inner side surface of the first lifting bar 2 and the inner side surface of the second lifting bar 3 are both slope surfaces. Therefore, the first lifting strip 2 and the second lifting strip 3 are good in strength and not prone to fracture.

Further, the included angle between the inner side surface of the first lifting strip 2 and the upper surface of the bottom plate 1 ranges from 60 degrees to 80 degrees, and the included angle between the inner side surface of the second lifting strip 3 and the upper surface of the bottom plate 1 ranges from 60 degrees to 80 degrees. Therefore, the first lifting strip 2 and the second lifting strip 3 are good in strength and not prone to fracture. In addition, the lateral surface of first promotion strip 2 is perpendicular with bottom plate 1, and the lateral surface of second promotion strip 3 is perpendicular with bottom plate 1, and concatenation simple to operate.

Further, be equipped with first reinforcing strip 5 between the medial surface of first promotion strip 2 and the upper surface of bottom plate 1, between the medial surface of second promotion strip 3 and the upper surface of bottom plate 1 respectively, can prevent effectively that the junction of first promotion strip 2 and bottom plate 1 and the junction stress of second promotion strip 3 and bottom plate 1 from concentrating too much and breaking occur.

Still further, the first reinforcing strip 5 comprises a first inclined surface 501, a first horizontal surface 502 and a first concave arc 503 surface (as shown in fig. 3) which are connected end to end in sequence; the first inclined plane 501 is fixed with the slope surface, the first horizontal plane 502 is fixed with the upper surface of the bottom plate 1, and the first concave arc 503 faces outwards, so that the fracture caused by the over-concentrated stress at the joint of the first lifting strip 2 and the bottom plate 1 and the joint of the second lifting strip 3 and the bottom plate 1 can be effectively prevented.

Alternatively, the cross-section of the first concave arc 503 surface may have a shape of a circular arc, a cycloid, an involute line, or a spiral line.

In some embodiments, one or more reinforcing ribs 6 are fixed on the upper surface of the bottom plate 1, and both ends of the reinforcing ribs 6 are respectively fixed with the first lifting bar 2 and the second lifting bar 3. It can be understood that the reinforcing rib plate 6 can enhance the strength of the lining plate 1000, and can effectively prevent the first lifting strip 2 and the bottom plate 1 and the second lifting strip 3 and the bottom plate 1 from being broken. The number of the reinforcing rib plates 6 is determined by the axial length of the liner plate 1000, and the longer the length of the liner plate 1000 is, the more the number of the reinforcing rib plates 6 is, so that the strength of the liner plate 1000 can be better enhanced.

Furthermore, hoisting holes 601 are formed in the reinforcing rib plates 6, so that hoisting construction of the lining plate 1000 is facilitated. The thickness of the reinforcing rib plate 6 is larger than the aperture of the hoisting hole 601, so that the reinforcing rib plate 6 is not easy to crack when the lining plate 1000 is hoisted.

Alternatively, there may be a plurality of lifting holes 601 on each reinforcing plate 6, for example, as shown in fig. 1, there may be two lifting holes.

Furthermore, two side surfaces of the reinforcing rib plate 6 are vertical surfaces respectively, so that large ores or steel balls can be conveniently lifted by the first lifting strips 2 and the second lifting strips 3. Second reinforcing strips 7 are respectively arranged between the two side surfaces of the reinforcing rib plate 6 and the bottom plate 1. Therefore, the fracture caused by the over-concentration of the stress at the joint of the reinforcing rib plate 6 and the bottom plate 1 can be effectively prevented.

Still further, the second reinforcing strip 7 includes a second vertical surface 701, a second horizontal surface 702 and a second concave arc surface 703 (as shown in fig. 4) which are sequentially connected end to end; the second vertical surface 701 is fixed with one side surface of the reinforcing rib plate 6, the second horizontal surface 702 is fixed with the upper surface of the bottom plate 1, and the second concave cambered surface 703 faces outwards. Therefore, the fracture caused by the over-concentration of the stress at the joint of the reinforcing rib plate 6 and the bottom plate 1 can be effectively prevented.

Alternatively, the cross-section of the second concave arc surface 703 may have a shape of a circular arc, a cycloid, an involute or a spiral.

In some embodiments, the thickness of the bottom plate 1 is 80-90 mm, and the diameter of the mounting hole 101 is 30-60 mm. Thereby, the strength of the bottom plate 11 is advantageously ensured.

In some embodiments, the height of the first and second lifter bars 2 and 3 is 1.2 to 4 times the maximum feeding grain size, and the height of the first and second lifter bars 2 and 3 is 0.5 to 1.5 times the width of the floor 1. Thus, the liner plate 1000 of the present embodiment can be applied to a large autogenous mill or a large semi-autogenous mill.

In some embodiments, the distance between every two adjacent protrusions 4 is 0.5-1.2 times of the maximum feeding granularity, the equivalent diameter of the cross section area of the cylindrical surface of each protrusion 4 is 0.2-0.8 times of the maximum feeding granularity, and the height of each protrusion 4 is 0.25-0.6 times of the maximum feeding granularity. When the plurality of U-shaped liner plates 1000 are spliced and arranged on the inner wall of the cylinder of the autogenous mill or the semi-autogenous mill along the circumferential direction of the cylinder, the protrusions 4 can effectively prevent large ores from directly falling onto the first lifting strips 2 or the second lifting strips 3, and the probability that the first lifting strips 2 or the second lifting strips 3 are worn or broken is reduced; meanwhile, the surface areas of the first lifting strip 2 and the second lifting strip 3 are respectively increased by the bulges 4 on the first lifting strip 2 and the bulges 4 on the second lifting strip 3, when ores and steel balls carried by the first lifting strip 2 or the second lifting strip 3 on the self-grinding machine and the semi-self-grinding machine move upwards, fine-grained ores move downwards to a space between the adjacent bulges 4 through large ores, so that the large ores or the large steel balls are directly contacted with the first lifting strip 2, the second lifting strip 3 and the bulges 4, the large ores or the large steel balls can be effectively lifted by the lifting strips and thrown higher, and the large ores or the steel balls have higher kinetic energy when falling to materials or a lining plate 1000, so that the ore crushing efficiency is improved; when the big ore or the big steel ball that drop shed pound first lifting strip 2 or the second lifting strip 3 that falls on the barrel lower part on, the area of contact of arch 4 and big ore is less, and arch 4 can play the splitting crushing effect to the bold ore, further improves bold ore crushing speed.

The utility model also discloses an autogenous mill or semi-autogenous mill.

According to the utility model discloses autogenous mill or semi-autogenous mill, including the welt 1000 of any one kind of above-mentioned embodiment, welt 1000 has a plurality ofly, and a plurality of welts 1000 are arranged on the barrel of autogenous mill or semi-autogenous mill.

In some embodiments, the plurality of liner plates 1000 includes long liner plates 1000 and short liner plates 1000, the long liner plates 1000 and the short liner plates 1000 are simultaneously staggered and spliced in the axial direction and the circumferential direction; or the plurality of lining plates 1000 are the same lining plate 1000, and the same plurality of lining plates 1000 are spliced and arranged in the circumferential direction. Specifically, there are two staggered splicing arrangement manners of the long liner plates 1000 and the short liner plates 1000, one arrangement manner is as shown in fig. 5, two long liner plates 1000 are leaned against each other by the first lifting strips 2 or the second lifting strips 3 to form long liner plate assembly units, two short liner plates 1000 are leaned against each other by the first lifting strips 2 or the second lifting strips 3 to form short liner plate assembly units, and then the long liner plate assembly units and the short liner plate assembly units are simultaneously staggered and spliced in the axial direction and the circumferential direction; another arrangement is shown in fig. 6, where the long liners 1000 and the short liners 1000 are staggered simultaneously in the axial and circumferential directions as a unit. Both of the two arrangements can make the long lining plate 1000 and the short lining plate 1000 not easy to move relatively to each other and easy to clamp each other.

In some embodiments, the plurality of liner plates 1000 are the same liner plate 1000, and the same plurality of liner plates 1000 are arranged in a circumferential splicing manner (as shown in fig. 7), which is simple.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A liner for use on an autogenous or semi-autogenous mill, comprising:

2. The liner plate for use in an autogenous or semi-autogenous mill of claim 1, wherein the cross-section of the protrusions is a portion of an ellipse, a portion of a triangle, a portion of a circle, a trapezoid, or a rectangle.

3. The liner for use on an autogenous or semi-autogenous mill of claim 1 wherein the projections are disposed perpendicular to the floor.

4. The liner for use in an autogenous or semi-autogenous mill of claim 1 wherein the plurality of projections on the first lifter bar are staggered in the axial direction from the plurality of projections on the second lifter bar.

5. The liner plate for use in an autogenous or semi-autogenous mill of claim 1, wherein the upper surface of the bottom plate is planar and the inner sides of the first and second lifter bars are both sloped.

6. The liner plate for an autogenous or semi-autogenous mill of claim 5, wherein the angle between the inner side of the first lifter bar and the upper surface of the bottom plate ranges from 60 ° to 80 °, and the angle between the inner side of the second lifter bar and the upper surface of the bottom plate ranges from 60 ° to 80 °.

7. The liner plate for an autogenous or semi-autogenous mill of claim 5, wherein first reinforcing bars are provided between the inner side of the first lifter bar and the upper surface of the bottom plate, and between the inner side of the second lifter bar and the upper surface of the bottom plate, respectively.

8. The liner plate for use in an autogenous or semi-autogenous mill of claim 7, wherein the first reinforcing strip includes a first inclined surface, a first horizontal surface, and a first concave arcuate surface that are connected end to end; the first inclined surface is fixed with the slope surface, the first horizontal surface is fixed with the upper surface of the bottom plate, and the first concave cambered surface faces outwards.

9. The liner plate for an autogenous mill or a semi-autogenous mill according to claim 1, wherein one or more reinforcing ribs are fixed to the upper surface of the bottom plate, and both ends of the reinforcing ribs are fixed to the first and second lift bars, respectively.

10. The liner plate for an autogenous mill or a semi-autogenous mill according to claim 9, wherein the reinforcing rib plates are provided with lifting holes, and the thickness of the reinforcing rib plates is greater than the aperture of the lifting holes.

11. The lining plate for an autogenous mill or a semi-autogenous mill according to claim 10, wherein two side surfaces of the reinforcing rib plate are vertical surfaces, and second reinforcing bars are arranged between the two side surfaces of the reinforcing rib plate and the bottom plate.

12. The liner for use in an autogenous or semi-autogenous mill of claim 11, wherein the second reinforcing strip includes a second vertical face, a second horizontal face, and a second concave arcuate face connected end to end; the second vertical surface is fixed with one side surface of the reinforcing rib plate, the second horizontal surface is fixed with the upper surface of the bottom plate, and the second concave cambered surface faces outwards.

13. The lining plate for an autogenous mill or a semi-autogenous mill according to claim 1, wherein the thickness of the bottom plate is 80 to 90mm, and the diameter of the mounting hole is 30 to 60 mm.

14. The liner for an autogenous mill or a semi-autogenous mill according to claim 1, wherein the first and second lifter bars have a height of 1.2 to 4 times the maximum ore-feeding grain size, and the first and second lifter bars have a height of 0.5 to 1.5 times the width of the bottom plate.

15. The liner plate for an autogenous mill or a semi-autogenous mill according to claim 1, wherein the distance between two adjacent projections is 0.5 to 1.2 times the maximum feed particle size, the equivalent diameter of the cylindrical surface cross-sectional area of the projections is 0.2 to 0.8 times the maximum feed particle size, and the projection height of the projections is 0.25 to 0.6 times the maximum feed particle size.

16. An autogenous or semi-autogenous mill comprising a plurality of liners as claimed in any one of claims 1 to 15, the liners being disposed on a bowl of the autogenous or semi-autogenous mill.

17. An autogenous or semi-autogenous mill according to claim 16 wherein a plurality of said liners include long and short liners which are simultaneously staggered axially and circumferentially; or a plurality of the lining plates are the same lining plates, and the same lining plates are spliced and arranged in the circumferential direction.