CN110449229A - Liner plate and autogenous tumbling mill or semi-autogenous mill on autogenous tumbling mill or semi-autogenous mill - Google Patents
Liner plate and autogenous tumbling mill or semi-autogenous mill on autogenous tumbling mill or semi-autogenous mill Download PDFInfo
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- CN110449229A CN110449229A CN201910770854.0A CN201910770854A CN110449229A CN 110449229 A CN110449229 A CN 110449229A CN 201910770854 A CN201910770854 A CN 201910770854A CN 110449229 A CN110449229 A CN 110449229A
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- 239000003351 stiffener Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 33
- 239000010959 steel Substances 0.000 description 33
- 230000000694 effects Effects 0.000 description 10
- 230000008901 benefit Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of liner plates on autogenous tumbling mill or semi-autogenous mill, including bottom plate, side lifting strip, central lift item and protrusion.Wherein, there are two the lifting strips of side, two side lifting strips are located at the opposite sides of the upper surface of bottom plate and the length direction of side lifting strip and the axial direction of liner plate are in the same direction；Central lift item is located on the upper surface of bottom plate and the length direction of central lift item and the axial direction of liner plate are in the same direction；The height of central lift item is greater than the height of two side lifting strips；Protrusion is for columnar projections and raised including the first protrusion and second, and direction interval setting multiple first is raised respectively in axial direction on the medial surface of two side lifting strips, and direction interval setting multiple second is raised respectively in axial direction on the two sides of central lift item.The liner plate can realize large-size autogenous mill or the efficient comminution of semi-autogenous mill and impact resistance.The present invention also provides a kind of autogenous tumbling mill or semi-autogenous mills.
Description
Technical field
The present invention relates to autogenous tumbling mill or semi-autogenous mill technical fields, are used for autogenous tumbling mill or semi-autogenous mill more particularly, to one kind
On liner plate and autogenous tumbling mill or semi-autogenous mill.
Background technique
Often coarse crushing ore is carried out using autogenous tumbling mill or semi-autogenous mill in Metallic Mineral fine crushing.Autogenous tumbling mill or half from
In grinding machine, material is generally there are leaving and let out to fall two kinds of forms of motion, and comminution effect is there is also impact grinding and to grind stripping broken
Two kinds.After material or mill Jie (steel ball) are thrown by liner plate lifting strip, pounded under the effect of gravity to autogenous tumbling mill or semi-autogenous mill toe
On material or liner plate, cause ore reduction, and let out the material for falling movement or mill be situated between each other there are grinding and peeling effects so that ore
It is pulverized by grinding and peeling effect.On the whole, autogenous tumbling mill or semi-autogenous mill inside ore reduction mode are based on impact grinding.Punching
Break up it is broken cause the damage of the liner plate of autogenous tumbling mill or semi-autogenous mill very fast, grinding efficiency or operating rate often restrict an ore dressing
The key point of factory's production capacity.As equipment manufacturing technology progress and ore-dressing technique develop, autogenous tumbling mill and semi-autogenous mill towards
Enlarged direction is developed, and enters to grind the ore grain size upper limit and is gradually increased, and mill Jie's (steel ball) size also increases accordingly, to large-scale autogenous grinding
Higher requirements are also raised for the structural strength of machine and semi-autogenous mill liner plate, wearability and grinding efficiency.
The lifting strip of liner plate on existing autogenous tumbling mill or semi-autogenous mill is for lifting ore or the side one of mill Jie (steel ball)
As be plane, there is following main problem in use: firstly, liner plate lifting strip be easy by lump ore or mill be situated between
(steel ball) is impacted and is cracked, and directly resulting in grinding machine materials inside cannot effectively be promoted, so that grinding efficiency declines；Secondly,
The lifting strip rapid wear of liner plate, causes liner plate service life shorter, and the replacement of liner plate needs take considerable time, so that from
Grinding machine or semi-autogenous mill operating rate are difficult to improve, and directly affect and entirely select factory's economic benefit；Finally, current autogenous tumbling mill or Semi-Autogenous
The lining plate structure of machine is not reasonable, and fine fraction ore is easy to cause from lump ore or big steel ball intermittent motion to lower position
Lump ore or big steel ball are pressed against position on the upper side, for lump ore or big steel ball, effective height of the lifting strip of liner plate
Degree actually reduces, and also reduces with liner plate lifting strip direct contact area, prevent liner plate lifting strip is from effectively by bulk
Ore or big steel ball are thrown, and lump ore or big steel ball do not have enough kinetic energy to cause ore reduction after leaving, and reduce ore grinding
Efficiency.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
Be to propose a kind of liner plate on autogenous tumbling mill or semi-autogenous mill, it can be achieved that large-size autogenous mill or the efficient comminution of semi-autogenous mill and
Impact resistance.
Liner plate according to an embodiment of the present invention on autogenous tumbling mill or semi-autogenous mill, comprising:
Bottom plate, the lower surface of the bottom plate be arc surface, the curvature of the arc surface and the autogenous tumbling mill or described half from
The cylinder curvature of grinding machine is identical；The bottom plate is equipped with mounting hole；
Side lifting strip, there are two the side lifting strips, and two side lifting strips are located at the upper surface of the bottom plate
Opposite sides and the length direction and the liner plate of the side lifting strip axial direction it is in the same direction；
Central lift item, the central lift item is located on the upper surface of the bottom plate and the central lift item
The axial direction of length direction and the liner plate is in the same direction；The height of the central lift item is greater than the height of two side lifting strips
Degree；
Protrusion, the protrusion are columnar projections and including the first protrusion and the second protrusion, two side lifting strips it is interior
Direction interval setting multiple described first is raised respectively in axial direction on side, respectively along axis on the two sides of the central lift item
To multiple second protrusions of direction interval setting.
Autogenous tumbling mill or semi-autogenous mill according to an embodiment of the present invention have the advantage that first, liner plate intensity is good, resistance to
Impact, it is not easy to wear, reduce the frequency of replacement of the liner plate on autogenous tumbling mill or semi-autogenous mill, the work of autogenous tumbling mill or semi-autogenous mill
Industry is high-efficient；The second, lump ore or big steel ball is enabled effectively to be promoted and be tossed by central lift item and side lifting strip
It is higher, thus, with bigger kinetic energy when lump ore or steel ball drop into material or liner plate, improve ore reduction efficiency and
Grind effect；Autogenous tumbling mill and semi-autogenous mill enlargement can be achieved in third；4th, liner plate is made positive with autogenous tumbling mill or semi-autogenous mill
When rotating and upgrading ore progress ore grinding and liner plate side being caused to have abrasion, autogenous tumbling mill or semi-autogenous mill can be made to make to reversely rotate benefit
Ore grinding is carried out come lifting ore with the other side of liner plate, decreases the frequency of lining plate replacing as a result, improves autogenous tumbling mill or half
The operating efficiency of autogenous tumbling mill.
In some embodiments, the cross section of the protrusion is a part, a part of triangle, circular of ellipse
A part of, trapezoidal or rectangle.
In some embodiments, the protrusion is arranged perpendicular to the bottom plate.
In some embodiments, in multiple second protrusions and another side on the one side of the central lift item
It is multiple it is described second protrusion it is symmetrical and convex with multiple described first on each side lifting strip in the axial direction
It rises and is interspersed.
In some embodiments, the upper surface of the bottom plate is plane, the medial surface of two side lifting strips and described
The two sides of central lift item are slope.
Further, the angular range between the medial surface of each side lifting strip and the upper surface of the bottom plate is
70 °~85 °, the either side in the two sides of the central lift item and the angular range between the upper surface of the bottom plate are
60 °~85 °.
Further, between the medial surface of two side lifting strips and the upper surface of the bottom plate, the central lift
The first reinforcing strip is respectively equipped between the two sides of item and the upper surface of the bottom plate.
Still further, first reinforcing strip includes the first inclined surface being sequentially connected end to end in turn, first level face and
One inner concave arc surface；First inclined surface is fixed with the slope, and the upper surface of the first level face and the bottom plate is solid
Fixed, first inner concave arc surface is outwardly.
In some embodiments, the two sides of the central lift item are symmetrically equipped with stiffener plate, and the stiffener plate is solid
It is scheduled on the side of the central lift item and the upper surface of the bottom plate.
Further, the stiffener plate is equipped with hole for hoist, and the thickness of the stiffener plate is greater than the hole for hoist
Aperture.
Further, the two sides of the stiffener plate are respectively vertical plane, the two sides of the stiffener plate with it is described
The second reinforcing strip is respectively equipped between bottom plate.
Still further, second reinforcing strip includes the second vertical plane being sequentially connected end to end in turn, the second horizontal plane and
Two inner concave arc surfaces；Second vertical plane and the one side of the stiffener plate are fixed, second horizontal plane and the bottom plate
Upper surface fix, second inner concave arc surface is outwardly.
In some embodiments, the base plate thickness is 80~120mm, and the aperture of the mounting hole is 30~60mm, institute
The height for stating central lift item is 1.2~4 times of maximum feed preparation unit size, and the central lift item height is the baseplate width
1.5-0.5 times, the height of the central lift item is 1.5~4 times of the height of the side lifting strip.
In some embodiments, the spacing two-by-two between the adjacent protrusion is the 0.5~1.2 of maximum material size
Times, the cylinder cross-sectional area equivalent diameter of the protrusion is 0.2~0.8 times of maximum material size, the protrusion of the protrusion
Height is 0.25~0.6 times of maximum material size.
The invention also provides a kind of autogenous tumbling mill or semi-autogenous mills.
Autogenous tumbling mill or semi-autogenous mill according to an embodiment of the present invention, including liner plate described in any one of the above embodiment,
The liner plate has multiple, and multiple liner plates are arranged on the cylinder of the autogenous tumbling mill or the semi-autogenous mill.
In some embodiments of the invention, multiple liner plates include long liner plate and short liner plate, the long liner plate and institute
Short liner plate is stated on axial and circumferential while staggeredly being spliced and is arranged；Or multiple liner plates are identical liner plate, it is identical multiple
The liner plate splices arrangement in the circumferential.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the embodiment of the present invention for autogenous tumbling mill or the structural schematic diagram of the liner plate of semi-autogenous mill.
Fig. 2 is the schematic cross-section for the protrusion on the liner plate of autogenous tumbling mill or semi-autogenous mill of the embodiment of the present invention.
Fig. 3 is the section signal for the first fixed strip on the liner plate of autogenous tumbling mill or semi-autogenous mill of the embodiment of the present invention
Figure.
Fig. 4 is the section signal for the second fixed strip on the liner plate of autogenous tumbling mill or semi-autogenous mill of the embodiment of the present invention
Figure.
Fig. 5 is the embodiment of the present invention for autogenous tumbling mill or a kind of arrangement schematic diagram of the liner plate of semi-autogenous mill.
Fig. 6 is the embodiment of the present invention for autogenous tumbling mill or another arrangement schematic diagram of the liner plate of semi-autogenous mill.
Appended drawing reference:
Liner plate 1000
1 mounting hole 101 of bottom plate
Side lifting strip 2
Central lift item 3
Raised 401 second protrusions 402 of protrusion 4 first
First 5 first inclined surface of reinforcing strip, 501 first level face, 502 first inner concave arc surface 503
6 hole for hoist 601 of stiffener plate
Second reinforcing strip, 7 second vertical plane, 701 second horizontal plane, 702 second inner concave arc surface 703
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
The liner plate according to an embodiment of the present invention for being used for autogenous tumbling mill or semi-autogenous mill is described below with reference to Fig. 1 to Fig. 4
1000。
As shown in Figures 1 to 4, the liner plate 1000 according to an embodiment of the present invention on autogenous tumbling mill or semi-autogenous mill, packet
Include bottom plate 1, side lifting strip 2, central lift item 3 and protrusion 4.Wherein, the lower surface of bottom plate 1 is arc surface, the curvature of arc surface
It is identical as the cylinder curvature of autogenous tumbling mill or semi-autogenous mill；Bottom plate 1 is equipped with multiple mounting holes 101；There are two side lifting strips 2, and two
A side lifting strip 2 is located at the length direction of the opposite sides of the upper surface of bottom plate 1 and side lifting strip 2 and the axial direction side of liner plate 1000
To in the same direction；Central lift item 3 is located on the upper surface of bottom plate 1 and the axial direction of the length direction of central lift item 3 and liner plate 1000
Direction is in the same direction；The height of central lift item 3 is greater than the height of two side lifting strips 2；Protrusion 4 is for columnar projections 4 and including first
Protrusion 401 and second protrusion 402, direction interval setting multiple first is convex respectively in axial direction on the medial surface of two side lifting strips 2
401 are played, multiple second protrusions 402 are arranged in direction interval respectively in axial direction on the two sides of central lift item 3.
Specifically, the lower surface of bottom plate 1 is arc surface, the curvature and autogenous tumbling mill of arc surface or the cylinder of semi-autogenous mill are bent
Rate is identical.Thus, it is possible to be bonded the lower surface of bottom plate 1 and the cylinder inboard wall of autogenous tumbling mill or semi-autogenous mill, it is convenient for liner plate
1000 installation.Bottom plate 1 is equipped with multiple mounting holes 101, and mounting hole 101 can be passed through using connector such as bolt etc. by liner plate
1000 are fixed on cylinder, are fixed conveniently reliable.
There are two side lifting strips 2, and two side lifting strips 2 are located at the opposite sides of the upper surface of bottom plate 1 and side lifting strip 2
The axial direction of length direction and liner plate 1000 is in the same direction.By the way that side lifting strip 2 is arranged, it can be used for lifting ore or mill Jie's (steel
Ball), meanwhile, enhance 1 intensity of bottom plate, improves the impact resistance of liner plate 1000, so that the width of bottom plate 1 can be designed wider,
Meet it is larger sized enter to grind ore grain size or larger sized mill and be situated between (steel ball), be advantageously implemented autogenous tumbling mill and semi-autogenous mill court
Enlargement.
Central lift item 3 is located on the upper surface of bottom plate 1 and the axial direction of the length direction of central lift item 3 and liner plate 1000
Direction is in the same direction；By the way that central lift item 3 is arranged, it can be used for lifting ore or mill be situated between (steel ball).The height of central lift item 3 is big
In the height of two side lifting strips 2, for example, the height of central lift item 3 is 1.5~4 times of the height of side lifting strip 2, as a result,
The cross section of liner plate 1000 is generally shaped like " mountain " shape, when by multiple liner plates 1000, along cylinder, circumferentially splicing is arranged in autogenous tumbling mill
Or when on the inner wall of the cylinder of semi-autogenous mill, on the whole, multiple central lift items 3 and multiple side lifting strips 2 are in circumferential direction
In height interlaced arrangement, it can be used for being promoted larger sized ore grain size or larger sized mill be situated between (steel ball), be conducive to reality
Existing autogenous tumbling mill and semi-autogenous mill enlargement.
Protrusion 4 is for columnar projections 4 and including the first protrusion 401 and the second protrusion 402, the medial surface of two side lifting strips 2
On respectively in axial direction direction interval multiple first protrusions 401 are set, on the two sides of central lift item 3 respectively in axial direction between direction
Every multiple second protrusions 402 of setting.It is understood that on side lifting strip 2 first protrusion 401 and central lift item 3 on
Second protrusion 402 can effectively avoid lump ore from directly leaving onto side lifting strip 2 and central lift item 3, reduce side and mention
Rise the probability that item 2 and central lift item 3 are worn or smash；Meanwhile the first protrusion 401 and central lift on side lifting strip 2
The second protrusion 402 on item 3 increases the surface area of side lifting strip 2 and central lift item 3 respectively, when side lifting strip 2 and center
Lifting strip 3 carries ore and when steel ball moves upwards, and fine fraction ore is moved downwardly to the phase of side lifting strip 2 through lump ore
In space between adjacent first protrusion 401 and the space between adjacent second protrusion 402 of central lift item 3, big lump ore can be made
Stone or big steel ball are directly contacted with side lifting strip 2 and central lift item 3 or protrusion 4, and lump ore or big steel ball are mentioned
Rise item effectively promoted and be tossed it is higher, when lump ore or steel ball drop into material or liner plate 1000 with bigger dynamic
Can, improve ore reduction efficiency；The lump ore or big steel ball left pounds the liner plate 1000 fallen on cylinder lower part
When on side lifting strip 2 or central lift item 3, the contact area of raised 4 structures and lump ore is smaller, and raised 4 structures can be to big
Lump ore stone plays splitting crushing effect, further increases lump ore scrap rates.
Liner plate 1000 according to an embodiment of the present invention on autogenous tumbling mill or semi-autogenous mill, liner plate 1000 are applied in autogenous grinding
When on machine or semi-autogenous mill, have the advantage that first, liner plate, 1000 intensity is good, impact resistance, it is not easy to wear, reduce lining
The frequency of replacement of the plate 1000 on autogenous tumbling mill or semi-autogenous mill is conducive to the operating efficiency for promoting autogenous tumbling mill or semi-autogenous mill；
The second, lump ore or big steel ball is enabled to be tossed by central lift item 3 and the effectively promotion of side lifting strip 2 higher, because
And lump ore or steel ball when dropping into material or liner plate 1000 with bigger kinetic energy, improve ore reduction efficiency and mill
Broken effect；Autogenous tumbling mill and semi-autogenous mill enlargement can be achieved in third；4th, liner plate 1000 is made just with autogenous tumbling mill or semi-autogenous mill
To when rotating and upgrading ore progress ore grinding and 1000 side of liner plate being caused to have abrasion, autogenous tumbling mill or semi-autogenous mill can be made to make reversed
Rotation carries out ore grinding using the other side of liner plate 1000 come lifting ore, decreases the frequency of the replacement of liner plate 1000 as a result, mentions
The operating efficiency of autogenous tumbling mill or semi-autogenous mill is risen.
In some embodiments, the cross section of protrusion 4 can be a part (as shown in Figure 2) of ellipse, triangle
A part of, circular a part of, trapezoidal or rectangle, can be selected according to actual needs.
In some embodiments, protrusion 4 is arranged perpendicular to bottom plate 1.That is, between the first protrusion 401 and bottom plate 1
Angle is 90 °, less than the angle between side lifting strip 2 and bottom plate 1；Angle between second protrusion 402 and bottom plate 1 is 90 °, is less than
Angle between side lifting strip 2 and bottom plate 1；Side lifting strip 2 and central lift item 3 be when throwing lump ore or steel ball as a result,
The height more easily thrown increases, to further improve liner plate 1000 to the promotion effect of lump ore and steel ball.
In some embodiments, more on multiple second raised 402 and another side on the one side of central lift item 3
A second protrusion 402 is symmetrical, and in the axial direction with multiple first protrusions 401 on each side lifting strip 2 in staggeredly
Distribution.Thus, it is easier to promote lump ore or steel ball.
In some embodiments, the upper surface of bottom plate 1 is plane, the medial surface and central lift item 3 of two side lifting strips 2
Two sides be slope.Side lifting strip 2 and 3 intensity of central lift item are good as a result, not easy to break.
Further, the angular range between the medial surface of each side lifting strip 2 and the upper surface of bottom plate 1 be 70 °~
85 °, the either side in the two sides of central lift item 3 and the angular range between the upper surface of bottom plate 1 are 60 °~85 °.By
This, side lifting strip 2 and 3 intensity of central lift item are good, not easy to break.
Further, between the medial surface of two side lifting strips 2 and the upper surface of bottom plate 1, the two sides of central lift item 3
The first reinforcing strip 5 is respectively equipped between the upper surface of bottom plate 1, can effectively prevent side lifting strip 2 and bottom plate 1 junction and in
The junction stress of heart lifting strip 3 and bottom plate 1 is excessively concentrated and is broken.
Still further, the first reinforcing strip 5 includes the first inclined surface 501 being sequentially connected end to end in turn, 502 and of first level face
First inner concave arc surface 503 (as shown in Figure 3)；First inclined surface 501 is fixed with slope, and first level face 502 is upper with bottom plate 1
Surface is fixed, and the first inner concave arc surface 503 is outwardly；The junction and center that can effectively prevent side lifting strip 2 and bottom plate 1 as a result, mention
The junction stress for rising item 3 and bottom plate 1 is excessively concentrated and is broken.
Optionally, the shape of the cross section of the first inner concave arc surface 503 can be circular arc line, cycloid, involute or helix.
In some embodiments, the two sides of central lift item 3 are symmetrically equipped with stiffener plate 6, during stiffener plate 6 is fixed on
On the side of heart lifting strip 3 and the upper surface of bottom plate 1.It is understood that stiffener plate 6 can enhance the strong of liner plate 1000
Degree, can effectively prevent and be broken between central lift item 3 and bottom plate 1.The quantity of stiffener plate 6 is long by the axial direction of liner plate 1000
Degree determines that 1000 length of liner plate is longer, and 6 quantity of stiffener plate is more, and stiffener plate 6 is in the pairs of cloth in 3 two sides of central lift item
It sets, can preferably enhance the intensity of liner plate 1000.
Further, stiffener plate is equipped with hole for hoist 601, is convenient for 1000 lifting construction of liner plate.The thickness of stiffener plate 6
Greater than the aperture of hole for hoist 601, it is ensured that when lifting liner plate 1000, stiffener plate 6 is not easy drawing crack.
Further, the two sides of stiffener plate 6 are respectively vertical plane, convenient for lump ore or steel ball by side lifting strip 2
Lift with central lift item 3.The second reinforcing strip 7 is respectively equipped between the two sides and bottom plate 1 of stiffener plate 6.It as a result, can be effective
Prevent the junction stress of stiffener plate 6 and bottom plate 1 from excessively concentrating and being broken.
Still further, the second reinforcing strip 7 includes the second vertical plane 701,702 and of the second horizontal plane being sequentially connected end to end in turn
Second inner concave arc surface 703 (as shown in Figure 4)；Second vertical plane 701 and the one side of stiffener plate 6 are fixed, the second horizontal plane 702
It is fixed with the upper surface of bottom plate 1, the second inner concave arc surface 703 is outwardly.It can effectively prevent the connection of side lifting strip 2 Yu bottom plate 1 as a result,
The junction stress of place and central lift item 3 and bottom plate 1 is excessively concentrated and is broken.
Optionally, the shape of the cross section of the second inner concave arc surface 703 can be circular arc line, cycloid, involute or helix.
In some embodiments, bottom plate 1 is with a thickness of 80~120mm, and the aperture of mounting hole 101 is 30~60mm, and center mentions
The height for rising item 3 is 1.2~4 times of maximum feed preparation unit size, and 3 height of central lift item is 1.5-0.5 times of 1 width of bottom plate, in
The height of heart lifting strip 3 is 1.5~4 times of the height of side lifting strip 2.The liner plate 1000 of the present embodiment is applicable to greatly as a result,
Type autogenous tumbling mill or large-scale semi-autogenous mill.
In some embodiments, the spacing between adjacent protrusion 4 is 0.5~1.2 times of maximum material size two-by-two, convex
Playing 4 cylinder cross-sectional area equivalent diameter is 0.2~0.8 times of maximum material size, and the height of projection of protrusion 4 enters for maximum
0.25~0.6 times of material granularity.Protrusion 4 can effectively avoid lump ore from directly leaving to side lifting strip 2 and center mentioning as a result,
It rises on item 3, reduces the probability that side lifting strip 2 and central lift item 3 are worn or smash；Meanwhile protrusion 4 increases side respectively
The surface area of lifting strip 2 and central lift item 3, when side lifting strip 2 and central lift item 3 carries ore and steel ball moves upwards
When, fine fraction ore through lump ore be moved downwardly to protrusion 4 between space, can make lump ore or big steel ball directly with
Side lifting strip 2 and central lift item 3 or protrusion 4 contact, enable lump ore or big steel ball be elevated item effectively promoted and by
That throws is higher, and when lump ore or steel ball drop into material or liner plate 1000 with bigger kinetic energy, it is broken to improve ore
Broken efficiency；The lump ore or big steel ball left pounds side lifting strip 2 or the center of the liner plate 1000 fallen on cylinder lower part
When on lifting strip 3, protrusion 4 is smaller with the contact area of lump ore, and protrusion 4 can play splitting crushing effect to lump ore.
The present invention also proposes a kind of autogenous tumbling mill or semi-autogenous mill.
Autogenous tumbling mill or semi-autogenous mill according to an embodiment of the present invention, the liner plate 1000 including any one of the above embodiment,
Liner plate 1000 has multiple, and multiple liner plates 1000 are arranged on the cylinder of autogenous tumbling mill or semi-autogenous mill.
Autogenous tumbling mill or semi-autogenous mill according to an embodiment of the present invention have the advantage that first, liner plate, 1000 intensity
Good, impact resistance, it is not easy to wear, reduce the frequency of replacement of the liner plate 1000 on autogenous tumbling mill or semi-autogenous mill, autogenous tumbling mill or half
The operating efficiency of autogenous tumbling mill is high；The second, lump ore or big steel ball is enabled effectively to be mentioned by central lift item 3 and side lifting strip 2
Rise and be tossed it is higher, thus, with bigger kinetic energy when lump ore or steel ball drop into material or liner plate 1000, improve
Ore reduction efficiency and grind effect；Autogenous tumbling mill and semi-autogenous mill enlargement can be achieved in third；4th, liner plate 1000 is with certainly
When grinding machine or semi-autogenous mill rotate in the forward direction lifting ore progress ore grinding and 1000 side of liner plate caused to have abrasion, autogenous grinding can be made
Machine or semi-autogenous mill, which are reversely rotated, carries out ore grinding using the other side of liner plate 1000 come lifting ore, decreases lining as a result,
The frequency that plate 1000 is replaced, improves the operating efficiency of autogenous tumbling mill or semi-autogenous mill.
In some embodiments, multiple liner plates 1000 include long liner plate 1000 and short liner plate 1000, long liner plate 1000 and short
Staggeredly (as shown in Figure 5) is arranged in splicing to liner plate 1000 simultaneously on axial and circumferential, so that long liner plate 1000 and short liner plate 1000
Do not allow to be also easy to produce relative movement between each other, more easily clamping between each other.Alternatively, multiple liner plates 1000 are identical liner plate
1000, identical multiple liner plates 1000 splice arrangement (as shown in Figure 6) in the circumferential, and this arrangement is relatively simple.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (16)
1. a kind of liner plate on autogenous tumbling mill or semi-autogenous mill characterized by comprising
Bottom plate, the lower surface of the bottom plate are arc surface, the curvature of the arc surface and the autogenous tumbling mill or the semi-autogenous mill
Cylinder curvature it is identical；The bottom plate is equipped with mounting hole；
Side lifting strip, there are two the side lifting strips, and two side lifting strips are located at the phase of the upper surface of the bottom plate
It is in the same direction to the axial direction of the length direction and the liner plate of two sides and the side lifting strip；
Central lift item, the central lift item is located on the upper surface of the bottom plate and the length of the central lift item
Direction and the axial direction of the liner plate are in the same direction；The height of the central lift item is greater than the height of two side lifting strips；
Protrusion, the protrusion are columnar projections and, the medial surface of the two side lifting strip raised including the first protrusion and second
On multiple first protrusions of direction interval setting respectively in axial direction, on the two sides of the central lift item side respectively in axial direction
To multiple second protrusions of interval setting.
2. the liner plate according to claim 1 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that the cross of the protrusion
Section is a part of ellipse, a part of triangle, circular a part of, trapezoidal or rectangle.
3. the liner plate according to claim 2 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that the protrusion is vertical
It is arranged in the bottom plate.
4. the liner plate according to claim 1 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that the central lift
Multiple second protrusions on the one side of item and multiple second protrusions on another side are symmetrical, and in axial direction
It is interspersed on direction with multiple first protrusions on each side lifting strip.
5. the liner plate according to claim 1 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that the bottom plate it is upper
Surface is plane, and the medial surface of two side lifting strips and the two sides of the central lift item are slope.
6. the liner plate according to claim 5 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that each side mentions
Rising the angular range between the medial surface of item and the upper surface of the bottom plate is 70 °~85 °, the two sides of the central lift item
In either side and the bottom plate upper surface between angular range be 60 °~85 °.
7. the liner plate according to claim 5 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that two sides mention
Rise between the medial surface of item and the upper surface of the bottom plate, the upper surface of the two sides of the central lift item and the bottom plate it
Between be respectively equipped with the first reinforcing strip.
8. the liner plate according to claim 7 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that described first reinforces
Item includes the first inclined surface, first level face and the first inner concave arc surface being sequentially connected end to end in turn；First inclined surface with it is described
Slope is fixed, and the first level face and the upper surface of the bottom plate are fixed, and first inner concave arc surface is outwardly.
9. the liner plate according to claim 1 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that the central lift
The two sides of item are symmetrically equipped with stiffener plate, the stiffener plate be fixed on the central lift item side and the bottom plate
On upper surface.
10. the liner plate according to claim 9 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that the reinforcing rib
Plate is equipped with hole for hoist, and the thickness of the stiffener plate is greater than the aperture of the hole for hoist.
11. the liner plate according to claim 10 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that the reinforcing rib
The two sides of plate are respectively vertical plane, and the second reinforcing strip is respectively equipped between the two sides of the stiffener plate and the bottom plate.
12. the liner plate according to claim 11 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that described second adds
Gu item includes the second vertical plane, the second horizontal plane and the second inner concave arc surface being sequentially connected end to end in turn；Second vertical plane and institute
The one side for stating stiffener plate is fixed, and the upper surface of second horizontal plane and the bottom plate is fixed, second inner concave arc surface
Outwardly.
13. the liner plate according to claim 1 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that the bottom plate is thick
Degree is 80~120mm, and the aperture of the mounting hole is 30~60mm, and the height of the central lift item is maximum feed preparation unit size
1.2~4 times, the central lift item height is 1.5-0.5 times of the baseplate width, and the height of the central lift item is institute
1.5~4 times for stating the height of side lifting strip.
14. the liner plate according to claim 1 on autogenous tumbling mill or semi-autogenous mill, which is characterized in that adjacent two-by-two
Spacing between the protrusion is 0.5~1.2 times of maximum material size, the cylinder cross-sectional area equivalent diameter of the protrusion
It is 0.2~0.8 times of maximum material size, the height of projection of the protrusion is 0.25~0.6 times of maximum material size.
15. a kind of autogenous tumbling mill or semi-autogenous mill, which is characterized in that including the lining as described in any one in claim 1 to 14
Plate, the liner plate have multiple, and multiple liner plates are arranged on the cylinder of the autogenous tumbling mill or the semi-autogenous mill.
16. autogenous tumbling mill according to claim 15 or semi-autogenous mill, which is characterized in that multiple liner plates include long liner plate
With short liner plate, staggeredly splicing is arranged simultaneously on axial and circumferential for the long liner plate and the short liner plate；Or multiple liner plates
For identical liner plate, identical multiple liner plates splice arrangement in the circumferential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770854.0A CN110449229A (en) | 2019-08-20 | 2019-08-20 | Liner plate and autogenous tumbling mill or semi-autogenous mill on autogenous tumbling mill or semi-autogenous mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770854.0A CN110449229A (en) | 2019-08-20 | 2019-08-20 | Liner plate and autogenous tumbling mill or semi-autogenous mill on autogenous tumbling mill or semi-autogenous mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110449229A true CN110449229A (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910770854.0A Pending CN110449229A (en) | 2019-08-20 | 2019-08-20 | Liner plate and autogenous tumbling mill or semi-autogenous mill on autogenous tumbling mill or semi-autogenous mill |
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| Country | Link |
|---|---|
| CN (1) | CN110449229A (en) |
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| JPH11319611A (en) * | 1998-05-20 | 1999-11-24 | Kurimoto Ltd | Mill liner |
| US20140203129A1 (en) * | 2013-01-24 | 2014-07-24 | Cabot Corporation | Liner elements with improved wear-life for grinding operations |
| CN206343249U (en) * | 2016-12-15 | 2017-07-21 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of Gao Pinggao interlocking shell liners of large-scale mine semi-autogenous mill |
| CN107088456A (en) * | 2017-05-10 | 2017-08-25 | 洛阳金合耐磨材料有限公司 | A kind of novel wear resistant lining board for large-scale semi-autogenous mill |
| CN107537641A (en) * | 2017-10-19 | 2018-01-05 | 中实洛阳重型机械有限公司 | A kind of semi-autogenous mill abrasion-proof backing block with asymmetric lifting strip |
| CN206956542U (en) * | 2017-04-29 | 2018-02-02 | 河北海顺环保科技有限公司 | A kind of science of bridge building plastic composite drain tank |
| CN208482566U (en) * | 2018-04-11 | 2019-02-12 | 中实洛阳重型机械有限公司 | A kind of semi-autogenous mill liner plate |
| CN214346912U (en) * | 2020-11-27 | 2021-10-08 | 金堆城钼业汝阳有限责任公司 | Lining plate structure of semi-autogenous mill |
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2019
- 2019-08-20 CN CN201910770854.0A patent/CN110449229A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11319611A (en) * | 1998-05-20 | 1999-11-24 | Kurimoto Ltd | Mill liner |
| US20140203129A1 (en) * | 2013-01-24 | 2014-07-24 | Cabot Corporation | Liner elements with improved wear-life for grinding operations |
| CN206343249U (en) * | 2016-12-15 | 2017-07-21 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of Gao Pinggao interlocking shell liners of large-scale mine semi-autogenous mill |
| CN206956542U (en) * | 2017-04-29 | 2018-02-02 | 河北海顺环保科技有限公司 | A kind of science of bridge building plastic composite drain tank |
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| CN107537641A (en) * | 2017-10-19 | 2018-01-05 | 中实洛阳重型机械有限公司 | A kind of semi-autogenous mill abrasion-proof backing block with asymmetric lifting strip |
| CN208482566U (en) * | 2018-04-11 | 2019-02-12 | 中实洛阳重型机械有限公司 | A kind of semi-autogenous mill liner plate |
| CN214346912U (en) * | 2020-11-27 | 2021-10-08 | 金堆城钼业汝阳有限责任公司 | Lining plate structure of semi-autogenous mill |
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