CN220941164U - Discharging grate plate for ball mill and ball mill - Google Patents
Discharging grate plate for ball mill and ball mill Download PDFInfo
- Publication number
- CN220941164U CN220941164U CN202322566043.3U CN202322566043U CN220941164U CN 220941164 U CN220941164 U CN 220941164U CN 202322566043 U CN202322566043 U CN 202322566043U CN 220941164 U CN220941164 U CN 220941164U
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- China
- Prior art keywords
- grate
- holes
- discharge
- plate
- ball mill
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- 238000007599 discharging Methods 0.000 title claims abstract description 32
- 230000008602 contraction Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000498 ball milling Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 2
- 239000011882 ultra-fine particle Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a discharging grate plate for a ball mill and the ball mill, wherein the discharging grate plate is of a fan-shaped structure and is provided with a plurality of long grate holes extending along the radial direction of the discharging grate plate, and the size of the grate holes is gradually increased from the feeding end of the grate holes to the discharging end of the grate holes. According to the utility model, through improving the layout direction and structure of the grate holes, the situation that materials are clamped in the grate holes can be reduced, so that the production efficiency of the ball mill is improved, and the quality of ball milling products is ensured.
Description
Technical Field
The utility model relates to the technical field of ball mills, in particular to a discharging grate plate for a ball mill and the ball mill.
Background
At present, a vanadium slag ball mill generally adopts a grate plate type discharging, one end of the grate plate is fixed on a mill cylinder body by bolts, the other end of the grate plate is connected with other grate plates by a central plate, and materials which are ground to be smaller than a grate hole pass through the grate hole and enter a discharging screw. Fig. 1 shows a schematic view of a prior art discharge grate plate for a ball mill, fig. 2 shows a schematic cross-sectional view of a prior art grate hole, and as the grate plate shown in fig. 1 and 2 is in use, often material and ground bodies are stuck in the grate hole, the porosity is reduced, so that the yield of the ball mill is reduced, the material is overground, and the load of the mill itself is increased.
Disclosure of utility model
The utility model mainly aims to provide a discharging grate plate for a ball mill and the ball mill, so as to solve the problem that materials are easy to clamp in a grate hole.
According to one aspect of the present utility model, there is provided a discharge grate plate for a ball mill, the discharge grate plate being of a fan-shaped structure and being provided with a plurality of elongated grate holes extending in a radial direction of the discharge grate plate, and the size of the grate holes gradually increasing from a feed end of the grate holes to a discharge end of the grate holes.
According to one embodiment of the utility model, the size of the grate hole increases gradually from the feed end of the grate hole to the discharge end of the grate hole.
According to one embodiment of the utility model, the grate hole comprises a first part, a second part and a third part which sequentially transition in a direction from the feed end to the discharge end, each of the first part, the second part and the third part has a uniform degree of size increase, and the degree of size increase of the first part, the second part and the third part sequentially increases.
According to one embodiment of the utility model, the cross section of the grate hole perpendicular to the discharging grate plate is horn-shaped.
According to one embodiment of the utility model, the shape of the grate holes on the surface of the discharge grate plate is elliptical.
According to one embodiment of the utility model, a plurality of the grate holes are arranged in a plurality of rows along the radial direction of the discharge grate plate.
According to one embodiment of the utility model, the two ends of the discharging grate plate in the radial direction are provided with connecting parts.
According to another aspect of the present utility model, there is provided a ball mill comprising: a cylinder; the central plate and the plurality of discharging grate plates are arranged in the cylinder, the contraction end of the discharging grate plate is connected with the central plate, and the expansion end of the discharging grate plate is connected with the cylinder.
According to the technical scheme, the arrangement direction and the structure of the grate holes are improved, so that the grate holes extend along the radial direction of the discharging grate plate, the size of the grate holes from the feeding end to the discharging end is gradually increased, the problem that the grate holes are blocked can be effectively solved, the production efficiency of the ball mill is greatly improved, and the product quality of the ball mill is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic view of a prior art discharge grate plate for a ball mill;
FIG. 2 shows a schematic cross-sectional view of a prior art grate hole;
Fig. 3 shows a schematic view of a discharge grate plate for a ball mill according to an embodiment of the utility model;
Fig. 4 shows a schematic cross-sectional view of a grate hole according to an embodiment of the utility model.
Reference numerals illustrate:
10. A discharging grate plate; 12. a grate hole; 122. a first portion; 124. a second portion; 126. a third section; 14. and a connecting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As mentioned in the background art above, the discharge grate plate in the prior art often has a phenomenon that the material is blocked in the grate hole during operation, the material is blocked in the grate hole to reduce the porosity, and the material with partially qualified granularity cannot pass through smoothly due to the reduction of the porosity, and the material is ground continuously in the bin, so that the overgrinding and the yield of the material are reduced. The wear of the cylinder lining plate, the bin partition plate and the grinding body is increased by accumulating more ultrafine particles in the bin, so that the service life of the cylinder lining plate, the bin partition plate and the grinding body is reduced. The accumulation of a large amount of ultrafine particles in the bin also causes the temperature of the cylinder to be continuously increased, so that the temperature in the whole ball mill is increased, and the main transmission system of the ball mill is operated at a higher temperature and is easy to break down. To solve this technical problem, the present utility model proposes a technical solution as will be described below.
Referring to fig. 3 and 4, the present utility model proposes a discharge grate plate 10 for a ball mill, the discharge grate plate 10 having a fan-shaped structure and being provided with a plurality of elongated grate holes 12 extending in a radial direction of the discharge grate plate 10, and the size of the grate holes 12 gradually increases from a feed end of the grate holes 12 to a discharge end of the grate holes 12.
Aiming at the problems of the current discharging grate plate in use, the utility model redesigns the layout of the holes and the structures of the holes, can effectively solve the problem of blocking of the grate holes of the discharging grate plate, greatly improves the production efficiency of the ball mill and ensures the product quality of the ball mill. The arc-shaped grate holes which extend along the circumference of the sector surface and are distributed in parallel in the prior art are changed into a form of extending along the radial direction, the porosity can be determined according to the use requirement, and the structure of the grate holes is changed into a splash type from the feeding end to the discharging end. The discharging grate hole ensures that the materials entering the grate hole can smoothly pass through without being blocked, so that abrasion of the grinding body and the materials to the material inlet end is reduced, the granularity of the materials entering the next bin is effectively ensured, the overgrinding quantity of the materials can be effectively controlled, and meanwhile, the production capacity can be ensured.
In some embodiments, the size of the grate holes 12 increases gradually from the feed end of the grate holes 12 to the discharge end of the grate holes 12. The grate holes 12 are gradually splashed from the feeding end to the discharging end, so that smooth passing of materials can be further ensured.
In some embodiments, the grate hole 12 includes a first portion 122, a second portion 124, and a third portion 126 that sequentially transition in a direction from the inlet end toward the outlet end, each of the first portion 122, the second portion 124, and the third portion 126 has a uniform degree of size increase, and the degree of size increase of the first portion 122, the second portion 124, and the third portion 126 sequentially increases. Referring to fig. 4, the cross section of the grate hole 12 exhibits that both edges of the grate hole 12 are inclined away from each other from the feed end to the discharge end, respectively, so that the grate hole 12 is gradually increased, and the inclinations of the first, second and third portions 122, 124 and 126 are sequentially increased, so that the increasing degree of the grate hole 12 is sequentially increased. This helps to guide the material smoothly through the grate holes 12 without getting stuck therein.
In some embodiments, the cross section of the grate holes 12 perpendicular to the discharge grate plate 10 is trumpet-shaped.
In some embodiments, the grate holes 12 are oval in shape on the surface of the discharge grate plate 10.
In some embodiments, the plurality of grate holes 12 are arranged in a plurality of rows along the radial direction of the discharge grate plate 10.
In some embodiments, the discharging grate plate 10 is provided with connecting portions 14 at both ends in the radial direction, and the connecting portions 14 may be, for example, mounting holes for mating with fasteners (e.g., bolts).
The utility model also provides a ball mill, which comprises: a cylinder; the central plate and the plurality of discharging grate plates 10 are arranged in the cylinder, the contraction end of the discharging grate plates 10 is connected with the central plate, and the expansion end of the discharging grate plates 10 is connected with the cylinder.
In summary, according to the utility model, the arc-shaped grate holes extending along the circumferential direction of the sector surface and distributed in parallel in the prior art are changed into radial extension, and the structure of the grate holes is changed into a splash type from the feeding end to the discharging end, so that the production stopping phenomenon caused by the blockage of the discharging grate plate by materials can be reduced.
Those of ordinary skill in the art will appreciate that: the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the utility model, including the claims, is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of an embodiment of the utility model, and many other variations of the different aspects of the embodiments of the utility model as described above exist, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the embodiments should be included in the protection scope of the embodiments of the present utility model.
Claims (8)
1. Discharge grate plate (10) for a ball mill, characterized in that the discharge grate plate (10) has a fan-shaped structure and is provided with a plurality of elongated grate holes (12) extending in the radial direction of the discharge grate plate (10), and the size of the grate holes (12) is gradually increased from the feed end of the grate holes (12) to the discharge end of the grate holes (12).
2. The discharge grate plate (10) of claim 1, wherein the size of the grate holes (12) increases gradually from the feed end of the grate holes (12) to the discharge end of the grate holes (12).
3. The discharge grate plate (10) of claim 2, wherein the grate holes (12) include a first portion (122), a second portion (124), and a third portion (126) that sequentially transition in a direction from the feed end toward the discharge end, the first portion (122), the second portion (124), and the third portion (126) each have a uniform degree of size increase, and the degree of size increase of the first portion (122), the second portion (124), and the third portion (126) sequentially increases.
4. The discharge grate plate (10) of claim 1, wherein the cross section of the grate holes (12) perpendicular to the discharge grate plate (10) is trumpet-shaped.
5. The discharge grate plate (10) of claim 1 wherein the grate holes (12) are oval in shape on the surface of the discharge grate plate (10).
6. The discharge grate plate (10) of claim 1 wherein a plurality of said grate holes (12) are arranged in a plurality of rows along a radial direction of said discharge grate plate (10).
7. The discharge grate plate (10) of claim 1, wherein both ends of the discharge grate plate (10) in the radial direction are provided with connecting portions (14).
8. A ball mill, comprising: a cylinder; a central plate arranged in the cylinder and a plurality of discharging grate plates (10) as claimed in any one of claims 1 to 7, wherein the contraction end of the discharging grate plate (10) is connected with the central plate, and the expansion end of the discharging grate plate (10) is connected with the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566043.3U CN220941164U (en) | 2023-09-20 | 2023-09-20 | Discharging grate plate for ball mill and ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566043.3U CN220941164U (en) | 2023-09-20 | 2023-09-20 | Discharging grate plate for ball mill and ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220941164U true CN220941164U (en) | 2024-05-14 |
Family
ID=91021703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322566043.3U Active CN220941164U (en) | 2023-09-20 | 2023-09-20 | Discharging grate plate for ball mill and ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220941164U (en) |
-
2023
- 2023-09-20 CN CN202322566043.3U patent/CN220941164U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |