Grinding capacity improving structure of ball mill
By using a double-layer partition plate and an arc-shaped liner, the problem of multiple material bins and easy clogging of material passage holes in traditional ball mills is solved, achieving more efficient grinding capacity and reduced energy consumption.
Patent Information
- Application Number
- CN202422849953.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Traditional ball mills have a large number of hoppers and the material passages are prone to clogging, resulting in insufficient grinding capacity.
The cylinder is divided into two compartments by a double-layer partition plate design. The first material passage hole is larger than the second material passage hole, and an arc-shaped liner is set on the inner wall of the cylinder to increase the contact area. The material passage hole is laser-cut to ensure specifications and uniformity.
By increasing the amount of grinding material per chamber within the same cylinder volume, clogging is reduced, two grinding cycles are achieved, grinding capacity is improved, and energy consumption is reduced.
Smart Images
Figure CN223774970U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to ball mill technical field especially relates to a ball mill grinding capacity promotion structure. BACKGROUND
[0002] At present, the traditional ball mill adopts three bins, and the material is ground in three stages, but the number of separated bins is large, and the grinding capacity of each bin is low based on the same volume. In addition, double-layer partition plates are arranged between the adjacent two bins, but the cross-sectional size of the material transmission holes in the two layers of partition plates is the same, and the material is easy to block the material transmission hole, thereby affecting the grinding capacity of the ball mill. INVENTION CONTENTS
[0003] The utility model discloses a ball mill grinding capacity promotion structure can improve the grinding capacity of ball mill to overcome prior art defects.
[0004] The utility model discloses a ball mill grinding capacity promotion structure can improve the grinding capacity of ball mill to overcome prior art defects.
[0005] A ball mill grinding capacity promotion structure, which comprises a double-layer partition plate for separating the inner part of the cylinder into two bins, the double-layer partition plate comprising a first partition plate close to the feed side of the cylinder and a second partition plate close to the discharge side of the cylinder; a cavity is formed between the first partition plate and the second partition plate, and a plurality of first material transmission holes and a plurality of second material transmission holes are arranged on the first partition plate and the second partition plate respectively, and the cross-sectional size of the first material transmission holes is larger than that of the second material transmission holes.
[0006] The beneficial effects of the above technical scheme are that, based on the same cylinder volume, the grinding capacity of each bin of the two bins is increased compared to that of the three bins, and the grinding capacity is improved; in addition, the large pieces of material entering the cavity from the first material transmission holes can return to the bin close to the feed side of the cylinder for regrinding, so that two screenings are performed, thereby reducing the influence of material blocking the second material transmission holes on the grinding capacity of the ball mill, and improving the grinding capacity of the ball mill.
[0007] In one embodiment, the inner wall of the cylinder is fixedly connected with a plurality of lining plates, and the inner side of the lining plate is provided with an arc surface.
[0008] The beneficial effects of the above technical scheme are that the inner side of the lining plate is provided with an arc surface, so that the contact between the grinding body and the material is surface contact, which is beneficial to increasing the contact area between the grinding body and the material, thereby increasing the grinding capacity of the ball mill.
[0009] In one embodiment, the first partition plate and the second partition plate are respectively laser-cut with a plurality of first material transmission holes and a plurality of second material transmission holes.
[0010] The beneficial effect of the above technical scheme is that the first material penetrating hole and the second material penetrating hole are both formed by laser cutting, so that the sizes of the first material penetrating hole and the second material penetrating hole are more standardized, thereby making the air outlet more uniform.
[0011] In one embodiment, the first baffle plate and the second baffle plate are both steel plates.
[0012] The beneficial effect of the above technical scheme is that, compared with a double-layer baffle plate formed by casting, the double-layer baffle plate formed by two steel plates is lighter in weight and is convenient to install and process.
[0013] In one embodiment, the plurality of first material penetrating holes are uniformly arranged on the first baffle plate, and the plurality of second material penetrating holes are uniformly arranged on the second baffle plate.
[0014] The beneficial effect of the above technical scheme is that the air outlet is more uniform.
[0015] In one embodiment, the depth direction of the first material penetrating hole is the same as the thickness direction of the first baffle plate, and the depth direction of the second material penetrating hole is the same as the thickness direction of the second baffle plate.
[0016] In one embodiment, the outer side of the first baffle plate and the second baffle plate is fixedly connected with the inner side of the cylinder body, and the outer contour size of the first baffle plate and the second baffle plate matches the inner contour size of the cylinder body.
[0017] In one embodiment, the axis of the first baffle plate and the second baffle plate coincides with the axis of the cylinder body.
[0018] In one embodiment, the feed side of the cylinder body is provided with a feed hollow shaft.
[0019] In one embodiment, the discharge side of the cylinder body is provided with a discharge hollow shaft.
[0020] The beneficial effect of the present utility model lies in:
[0021] On the basis of the same cylinder volume, compared with three hoppers, the two hoppers increase the material ground per hopper and improve the grinding capacity; in addition, the large pieces of material entering the cavity from the first material penetrating hole can return to the hopper close to the feed side of the cylinder body for regrinding, so as to perform two times of screening, thereby reducing the situation that the material blocks the second material penetrating hole and affects the grinding capacity of the ball mill, so as to achieve the purpose of improving the grinding capacity of the ball mill. BRIEF DESCRIPTION OF DRAWINGS
[0022] In the following, the present utility model will be described in more detail based on the embodiments and with reference to the drawings.
[0023] Among them:
[0024] Figure 1The structure schematic diagram of the utility model is shown.
[0025] Figure 2 The structure schematic diagram of the double-layer compartment plate in the utility model is shown.
[0026] Figure 3 The structure schematic diagram of the utility model is shown. Figure 2 The partial view of A in the middle.
[0027] Figure 4 The structure schematic diagram of the utility model is shown. Figure 2 The partial view of B in the middle.
[0028] Figure 5 The structure schematic diagram of the utility model is shown.
[0029] In the drawings, the same components use the same reference numerals. The drawings are not in accordance with the actual proportion.
[0030] Reference numerals:
[0031] 100-feed hollow shaft, 200-cylinder, 300-double-layer compartment plate, 310-first compartment plate, 311-first material hole, 320-second compartment plate, 321-second material hole, 330-cavity, 400-discharge hollow shaft, 500-lining plate, 510-arc surface. DETAILED DESCRIPTION
[0032] The utility model will be further described below in combination with the drawings.
[0033] Because the traditional ball mill adopts three compartments, and grinds the material in three stages, but the number of separated compartments is large, and the grinding capacity of each compartment is low on the basis of the same volume. In addition, double-layer compartment plates are arranged between the adjacent two compartments, but the cross-sectional size of the material holes on the two layers of compartment plates is the same, and the material is easy to block the material hole, thereby affecting the grinding capacity of the ball mill.
[0034] Therefore, the utility model provides a ball mill grinding capacity improving structure, as shown in Figures 1-4 The structure schematic diagram of the utility model is shown.
[0035] It can be understood that, on the basis of the same cylinder 200 volume, two bins compared to three bins, each bin of the material increased, grinding capacity; while reducing the number of double-layer partition plate 300, can enhance the ventilation screening effect, and reduce the induced draft power, thereby facilitating the reduction of energy consumption;
[0036] In addition, since the cross-sectional size of the first material hole 311 is larger than the cross-sectional size of the second material hole 321, the large material from the first material hole 311 into the cavity 330 can be returned to the bin close to the feed side of the cylinder 200 for grinding again to perform two screening, thereby reducing the influence of the material blocking the second material hole 321 on the grinding capacity of the ball mill, to achieve the purpose of improving the grinding capacity of the ball mill.
[0037] In one embodiment, the inner wall of the cylinder 200 is fixedly connected with a plurality of lining plates 500, as shown in Figure 5 The inner side of the lining plate 500 is provided with an arc surface 510.
[0038] It can be understood that the lining plate in the traditional ball mill is a stepped lining plate or a small wave lining plate, and the inner side of the lining plate 500 is provided with an arc surface 510, so that the contact between the grinding body and the material changes from point contact to surface contact, thereby increasing the contact area between the grinding body and the material, thereby increasing the grinding capacity of the ball mill.
[0039] In one embodiment, the first partition plate 310 and the second partition plate 320 are respectively laser cut with a plurality of first material holes 311 and second material holes 321.
[0040] It can be understood that the first material hole 311 and the second material hole 321 are both laser cut, so that the size of the first material hole 311 and the second material hole 321 is more standardized, thereby making the air outlet more uniform.
[0041] In one embodiment, the first partition plate 310 and the second partition plate 320 are both steel plates.
[0042] It can be understood that, compared with the double-layer partition plate 300 made of casting, the double-layer partition plate 300 made of two steel plates is lighter in weight and is convenient to install and process.
[0043] In one embodiment, a plurality of first material holes 311 are uniformly arranged on the first partition plate 310, and a plurality of second material holes 321 are uniformly arranged on the second partition plate 320, so that the air outlet is more uniform.
[0044] In one embodiment, the depth direction of the first material hole 311 is the same as the thickness direction of the first partition plate 310, and the depth direction of the second material hole 321 is the same as the thickness direction of the second partition plate 320.
[0045] In one embodiment, the outer sides of the first and second partition plates 310 and 320 are welded to the inner side of the cylinder body 200, and the outer contour sizes of the first and second partition plates 310 and 320 match the inner contour sizes of the cylinder body 200.
[0046] In one embodiment, the axes of the first and second partition plates 310 and 320 coincide with the axis of the cylinder body 200.
[0047] In one embodiment, the feed side and the discharge side of the cylinder body 200 are coaxially provided with the feed hollow shaft 100 and the discharge hollow shaft 400, respectively.
[0048] In the description of the present application, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "back", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as a limitation of the present application.
[0049] Although the present application is described herein with reference to particular embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present application. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed, as long as they do not deviate from the spirit and scope of the present application defined in the appended claims. It should be understood that different dependent claims and features described herein can be combined in ways different from the original claims. It should also be understood that features described in connection with a single embodiment can be used in other described embodiments.
Claims
1. A structure for improving the grinding capacity of a ball mill, characterized by, The application relates to a double-layer partition plate (300) for partitioning the inside of a cylinder (200) into two bins, wherein the double-layer partition plate (300) comprises a first partition plate (310) close to the feeding side of the cylinder (200) and a second partition plate (320) close to the discharging side of the cylinder (200); a cavity (330) is formed between the first partition plate (310) and the second partition plate (320); a plurality of first material transmission holes (311) and a plurality of second material transmission holes (321) are arranged on the first partition plate (310) and the second partition plate (320) respectively; and the cross-sectional size of the first material transmission holes (311) is larger than that of the second material transmission holes (321).
2. The structure for improving grinding capacity of a ball mill according to claim 1, wherein The inner wall of the cylinder (200) is fixedly connected with a plurality of lining plates (500), and the inner side of the lining plate (500) is provided with an arc surface (510).
3. The structure for improving grinding capacity of a ball mill according to claim 1, wherein The first partition plate (310) and the second partition plate (320) are respectively provided with a plurality of first material transmission holes (311) and a plurality of second material transmission holes (321) which are laser-cut.
4. The structure for improving grinding capacity of a ball mill according to claim 1 or 3, wherein The first partition plate (310) and the second partition plate (320) are both steel plates.
5. The structure for improving grinding capacity of a ball mill according to claim 1, wherein The plurality of first material transmission holes (311) are uniformly arranged on the first partition plate (310), and the plurality of second material transmission holes (321) are uniformly arranged on the second partition plate (320).
6. The structure for improving grinding capacity of a ball mill according to claim 1, wherein The depth direction of the first material transmission holes (311) is the same as the thickness direction of the first partition plate (310), and the depth direction of the second material transmission holes (321) is the same as the thickness direction of the second partition plate (320).
7. The structure for improving grinding capacity of a ball mill according to claim 1, wherein The outer side of the first partition plate (310) and the second partition plate (320) is fixedly connected with the inner side of the cylinder (200), and the outer contour size of the first partition plate (310) and the second partition plate (320) matches the inner contour size of the cylinder (200).
8. The structure for improving grinding capacity of a ball mill according to claim 1, wherein The axis of the first partition plate (310) and the second partition plate (320) coincides with the axis of the cylinder (200).
9. The structure for improving grinding capacity of a ball mill according to claim 1, wherein The feeding side of the cylinder (200) is provided with a feeding hollow shaft (100).
10. The structure for improving grinding capacity of a ball mill according to claim 1, wherein The discharging side of the cylinder (200) is provided with a discharging hollow shaft (400).