CN215277691U - Improved lining plate structure of ball mill - Google Patents
Improved lining plate structure of ball mill Download PDFInfo
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- CN215277691U CN215277691U CN202121565671.4U CN202121565671U CN215277691U CN 215277691 U CN215277691 U CN 215277691U CN 202121565671 U CN202121565671 U CN 202121565671U CN 215277691 U CN215277691 U CN 215277691U
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Abstract
The utility model discloses an improved lining plate structure of a ball mill, which comprises a plurality of arc-shaped lining plate base plates and a plurality of lifting ribs, wherein the lining plate base plates are spliced into a cylindrical barrel along the long edge; the lifting ribs are arc-shaped along the length direction, and the cross sections of the lifting ribs are wedge-shaped; the first lifting part, the second lifting part and the third lifting part are sequentially arranged along the height direction of the lifting rib; the cross sections of the first lifting part and the second lifting part are trapezoidal, and the spherical facing surface of the third lifting part is an arc surface. And the inner surface of the lining plate base plate and the outer surface of the lifting rib are covered with high-chromium alloy protective layers. The utility model discloses can promote the grinding effect of ball mill, prolong the life of rinding body.
Description
Technical Field
The utility model relates to a ball mill welt particularly, relates to a modified ball mill welt structure.
Background
The ball mill is the key equipment for crushing the materials after the materials are crushed. It is widely used in cement, silicate products, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and other production industries.
The material is packed into the barrel by the ball mill feed end hollow shaft in, is provided with the welt in the barrel and connects the promotion rib of welt base plate, when the ball mill barrel rotates, the rinding body and material utilize gravity and are thrown down after being taken to certain height through promoting the rib, the grinding body that falls is given the material in the barrel and is smashed like the projectile body. Due to the working principle of the ball mill, the lining plate base plate and the lifting ribs in the cylinder body are seriously abraded in the long-term working process, so that the service life of the ball mill is influenced. Moreover, the high-rib lining plate and the low-rib lining plate adopted by the existing ball mill are of symmetrical structures, wherein the angles of double chamfers of the high-rib lining plate are respectively 55 degrees and 25 degrees, and the height of the lifting rib is 150 mm; the chamfer angle of low muscle welt is 25, and the height that promotes the muscle is 80mm for it is not enough to the promotion efficiency of grinding body and material to promote the muscle, influences the grinding effect of grinding machine.
In view of this, the present application is specifically made.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the existing grinding machine has poor grinding effect and serious abrasion, and aims to provide an improved grinding body lining plate structure and solve the defects of the prior art.
The utility model discloses a following technical scheme realizes:
an improved lining plate structure of a ball mill comprises a plurality of arc-shaped lining plate base plates and a plurality of lifting ribs, wherein the lining plate base plates are spliced into a cylindrical barrel along the long edge; the lifting ribs are arc-shaped along the length direction, and the cross sections of the lifting ribs are wedge-shaped; the first lifting part, the second lifting part and the third lifting part are sequentially arranged along the height direction of the lifting rib; the cross sections of the first lifting part and the second lifting part are trapezoidal, and the spherical facing surface of the third lifting part is an arc surface.
Compared with the prior art, the utility model provides a pair of modified ball mill welt structure, it promotes the rib and is the arc along length direction, and the promotion rib of this structure is compared current straight bar and is promoted the rib, more is favorable to the pocket to live rinding body and material at its in-process that rises, can effectively alleviate most and solve rinding body and material fall at the low point and not fully turn into the phenomenon that kinetic energy ground with the weight potential energy, and then influence grinding effect. And, promote the rib and adopt the syllogic structure, wherein the spherical face that faces of third promotion portion is an cambered surface, is favorable to promoting the rib to bear rinding body and material on the one hand, and on the other hand can further alleviate most and solve rinding body and material and fall at the low point, increases the lifting height that promotes the rib to rinding body and material, also can prevent that rinding body and material from leading to the fact the injury of wearing and tearing many times to promoting rib and welt base plate because of falling in succession rising in-process. In addition, the three-section structure also increases the height of the lifting ribs, and can lift more grinding bodies and materials within the range of the upper bearing limit of the lifting ribs.
As a further description of the present invention, the thickness of the liner substrate is 60 mm.
As a further description of the invention, the height h of the lifting ribs is 155-165 mm.
As a further description of the present invention, at the joint of the two lining boards, the angle α between the tangent plane of the inner surface of the cylinder and the back spherical surface of the lifting rib is in the range of 90 ° < α < 100 °, and the angle β between the tangent plane of the inner surface of the cylinder and the front spherical surface of the first lifting portion is in the range of 80 ° < β < 90 °. The purpose of making promotion rib and the inside certain contained angle that forms of barrel can make rinding body and material can be promoted to the high point smoothly, more is favorable to turning into kinetic energy with gravitational potential energy and grinds to the reinforcing grinds the effect.
As right the utility model discloses a further description, the internal surface of a plurality of welt base plates is with a plurality of the surface of promoting the rib all covers there is the high chrome alloy protective layer, strengthens the wearability of welt to increase of service life.
As a further description of the present invention, the thickness of the high chromium alloy protective layer is 3 to 5 mm.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the embodiment of the utility model provides an improved lining plate structure of a ball mill, which can improve the grinding effect of the ball mill;
2. the embodiment of the utility model provides a pair of modified ball mill welt structure can reduce the rinding body and the wearing and tearing of material to the welt, prolongs the life of rinding body.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic diagram of an improved lining plate structure of a ball mill provided by an embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
the method comprises the following steps of 1-a lining plate base plate, 2-lifting ribs, 3-a high-chromium alloy protective layer, 21-a first lifting part, 22-a second lifting part and 23-a third lifting part.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
Examples
Fig. 1 is a schematic diagram of an improved lining plate structure of a ball mill provided by an embodiment of the present invention. As shown in the figure, this modified ball mill welt structure, including 8 curved welt base plate 1 and 8 promotion ribs 2, for observing portably, this embodiment drawing only draws 3 promotion ribs 2. The 8 lining plate base plates 1 are spliced into a cylindrical barrel along the long edges, and 8 lifting ribs 2 are arranged at the joints of the 8 lining plate base plates 1 along the long edges of the lining plate base plates 1; promote rib 2 and be the arc along length direction, the promotion rib 2 of this structure compares current straight bar and promotes rib 2, and the in-process that rises at it more is favorable to the pocket to live rinding body and material, can effectively alleviate most and solve rinding body and material and fall at the low point and do not fully convert weight potential energy into kinetic energy and grind the phenomenon, and then influence the grinding effect. The cross section of the lifting rib 2 is wedge-shaped; a first lifting part 21, a second lifting part 22 and a third lifting part 23 in this order in the height direction of the lifting rib 2; the cross sections of the first lifting portion 21 and the second lifting portion 22 are trapezoidal, and the spherical facing surface of the third lifting portion 23 is an arc surface. Promote rib 2 and adopt the syllogic structure, be favorable to promoting rib 2 to bear rinding body and material on the one hand, on the other hand can further alleviate most and separate the rinding body and the material falls at the low point, and the increase promotes the lifting height of rib 2 to the rinding body and material, also can prevent that rinding body and material from leading to the fact the injury of wearing and tearing many times to promoting rib 2 and welt base plate 1 because of falling in succession rising the in-process. In addition, the three-section structure also increases the height of the lifting ribs 2, and can lift more grinding bodies and materials within the bearing upper limit range of the lifting ribs 2.
Note that the thickness of the backing board 1 is 60 mm. The height h of the lifting rib 2 is 155-165 mm.
At the joint of the two lining plate base plates 1, the included angle α between the tangent plane of the inner surface of the cylinder and the back spherical surface of the lifting rib 2 is in the range of 90 ° < α < 100 °, the included angle β between the tangent plane of the inner surface of the cylinder and the incident spherical surface of the first lifting part 21 is in the range of 80 ° < β < 90 °, in this embodiment, α is 100 °, and β is 88 °. Make and promote the mesh that rib 2 and the inside certain contained angle that forms of barrel, can make rinding body and material can be promoted to the high point smoothly, more be favorable to turning into kinetic energy with gravitational potential energy and grind to reinforcing grinding effect.
In order to improve the wear resistance of the lining plate, the inner surfaces of the lining plate substrates 1 and the outer surfaces of the lifting ribs 2 are covered with high-chromium alloy protective layers 3, and the thickness of each high-chromium alloy protective layer 3 is 3-5 mm.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The improved lining plate structure of the ball mill is characterized by comprising a plurality of arc-shaped lining plate base plates (1) and a plurality of lifting ribs (2), wherein the lining plate base plates (1) are spliced into a cylindrical barrel along the long edge, and the lifting ribs (2) are arranged along the long edge of the lining plate base plate (1) at the joint of the lining plate base plates (1); the lifting ribs (2) are arc-shaped along the length direction, and the cross sections of the lifting ribs (2) are wedge-shaped; a first lifting part (21), a second lifting part (22) and a third lifting part (23) are arranged along the height direction of the lifting rib (2) in sequence; the cross sections of the first lifting part (21) and the second lifting part (22) are trapezoidal, and the ball facing surface of the third lifting part (23) is an arc surface.
2. An improved liner structure for a ball mill according to claim 1, wherein the height of the lifting ribs (2) is 155-165 mm.
3. An improved ball mill liner structure according to claim 1 or 2, characterized in that the thickness of the liner base plate (1) is 60 mm.
4. An improved liner plate structure for a ball mill according to claim 1 or 2, characterized in that at the junction of two liner plate base plates (1), the angle α between the tangent plane of the inner surface of the cylinder and the back spherical surface of the lifting rib (2) is in the range of 90 ° < α < 100 °, and the angle β between the tangent plane of the inner surface of the cylinder and the face spherical surface of the first lifting portion (21) is in the range of 80 ° < β < 90 °.
5. An improved ball mill liner structure according to claim 1 or 2, characterized in that the inner surfaces of the liner base plates (1) and the outer surfaces of the lifting ribs (2) are covered with a high chromium alloy protective layer (3).
6. The improved ball mill liner plate structure as claimed in claim 5, wherein the thickness of the high chromium alloy protective layer (3) is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121565671.4U CN215277691U (en) | 2021-07-09 | 2021-07-09 | Improved lining plate structure of ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121565671.4U CN215277691U (en) | 2021-07-09 | 2021-07-09 | Improved lining plate structure of ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215277691U true CN215277691U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121565671.4U Active CN215277691U (en) | 2021-07-09 | 2021-07-09 | Improved lining plate structure of ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215277691U (en) |
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2021
- 2021-07-09 CN CN202121565671.4U patent/CN215277691U/en active Active
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