Ball mill partition plate mounting structure for low-alkali cement production
By setting limit blocks and limit grooves on the diaphragm plate of the ball mill and fixing them with bolts, the problem of diaphragm plate loosening was solved, and the stability and service life were improved.
Patent Information
- Application Number
- CN202423217658.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing ball mill partition plates are fixed with bolts, which are prone to loosening after long-term use, leading to instability and severe wear of parts.
Outer and inner limit blocks are set on the outer and inner arc sides of the sector plate, and an outer and inner extension plate are designed on the annular plate, with limit grooves respectively. They are fixed with bolts to enhance the stability of the partition plate.
It effectively overcomes the circumferential force of materials on the partition plate, reduces bolt loosening, and improves the stability and service life of the partition plate.
Smart Images

Figure CN223888130U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ball mill technology, specifically to a ball mill partition plate installation structure for low-alkali cement production. Background Technology
[0002] Some cements are highly alkaline. In coastal areas, the sand and gravel used in concrete pouring are often sourced from the seaside, leading to frequent cracks in finished concrete structures. Low-alkali cement solves this problem. The method for producing low-alkali cement is simple: mix 30% to 60% blast furnace slag into the cement production raw materials. Compared to ordinary cement, this type of cement has extremely low alkalinity, thus attracting attention from the cement and construction industries. It also provides a solution for the use of blast furnace slag.
[0003] Ball mills are used in the production of low-alkali cement. Within the ball mill structure, the diaphragm plate is one of its crucial components. In existing technology, the diaphragm plate is fixed to the mounting frame with bolts. During actual use, the diaphragm plate is subjected to friction from the material, generating significant circumferential forces. Prolonged operation can easily cause the bolts to loosen, leading to instability of the diaphragm plate, resulting in severe wear and even damage to the components. Utility Model Content
[0004] To address the aforementioned shortcomings of existing technologies, this utility model provides an installation structure for a ball mill partition plate in low-alkali cement production. An outer limiting block and an inner limiting block are respectively provided on the outer and inner arc sides of the fan-shaped plate. An outer extension plate and an inner extension plate are designed to protrude to one side from the outer and inner edges of the annular plate, respectively. An outer limiting groove and an inner limiting groove are respectively formed on the outer and inner extension plates. The outer and inner limiting blocks are inserted into the outer and inner limiting grooves, respectively, and secured with bolts. This effectively overcomes the circumferential force exerted by materials on the partition plate, minimizes the possibility of bolt loosening, ensures the stability of the partition plate during operation, and extends its service life.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a ball mill partition plate installation structure for low-alkali cement production, comprising a mounting frame, multiple partition plates, a central disc, and multiple bolts disposed within the ball mill. The multiple partition plates are arranged in a circular matrix and tightly connected on the mounting frame. The central disc is positioned at the center of the mounting frame. The mounting frame is an annular plate, and multiple fan-shaped openings corresponding to the partition plates are evenly distributed on the annular plate. The annular plate's sidewalls, corresponding to its outer and inner edges, are positioned as follows: The partition plate is provided with protruding outer and inner extension plates, and the outer and inner extension plates are respectively provided with outer limiting grooves and inner limiting grooves at the positions corresponding to the fan-shaped openings; the partition plate is a fan-shaped plate with multiple holes and slots, and outer limiting blocks and inner limiting blocks are respectively provided on the outer arc side and inner arc side of the fan-shaped plate. The outer limiting blocks and inner limiting blocks can be axially inserted into the outer limiting grooves and inner limiting grooves. Multiple fixing holes are provided at corresponding positions on the multiple fan-shaped plates and the annular plate, and multiple fan-shaped plates and the annular plate are fixed by bolts passing through the fixing holes.
[0006] Preferably, the annular plate is provided with side insertion holes on the left and right sides corresponding to the fan-shaped opening, and a side insertion block is provided on the side of the fan-shaped plate facing the annular plate and corresponding to the side insertion hole, and the side insertion block is axially inserted into the side insertion hole.
[0007] Preferably, the annular plate is provided with an arc insertion hole on the side of the outer arc of the fan-shaped opening, and an arc insertion block is provided on the side of the fan-shaped plate facing the annular plate and corresponding to the arc insertion hole, and the arc insertion block is axially inserted into the arc insertion hole.
[0008] Preferably, a hidden groove is provided at the opening of the fixing hole, and the head of the bolt is recessed into the hidden groove.
[0009] Preferably, the outer and inner extension plates of the annular plate are integrally formed with the annular plate.
[0010] This utility model provides a ball mill partition plate installation structure for low-alkali cement production, which has the following advantages:
[0011] 1. This utility model provides an outer limiting block and an inner limiting block on the outer arc side and the inner arc side of the fan-shaped plate, respectively. An outer extension plate and an inner extension plate are designed to protrude to one side on the outer edge and the inner edge of the annular plate, respectively. An outer limiting groove and an inner limiting groove are respectively opened on the outer extension plate and the inner extension plate. The outer limiting block and the inner limiting block are respectively inserted into the outer limiting groove and the inner limiting groove. With the help of bolts, it can effectively overcome the circumferential force generated by the material on the partition plate, reduce the possibility of bolt loosening, ensure the stability of the partition plate during operation, and improve the service life.
[0012] 2. In this utility model, side insertion holes are provided on both sides of the fan-shaped opening. A side insertion block is provided on the side of the fan-shaped plate facing the mounting frame corresponding to the position of the side insertion hole. The side insertion block is inserted into the side insertion hole to limit the partition plate in the circumferential direction. In addition, an arc insertion hole is provided on the outer arc side of the fan-shaped opening. An arc insertion block is provided on the side of the fan-shaped plate facing the mounting frame corresponding to the position of the arc insertion hole. The arc insertion block is inserted into the arc insertion hole to further limit the partition plate in the circumferential direction. Attached Figure Description
[0013] Figure 1 This is a front view of the present invention after installation;
[0014] Figure 2 This is a partial front view of the mounting bracket of this utility model;
[0015] Figure 3 This is a partial left sectional view of the mounting bracket of this utility model;
[0016] Figure 4 This is a front view of the partition plate of this utility model;
[0017] Figure 5 This is a left view of the partition plate of this utility model.
[0018] In the diagram: 1. Bolt; 2. Hole; 3. Mounting bracket; 4. Partition plate; 5. Central disc; 31. Annular plate; 32. Fan-shaped opening; 33. Fixing hole; 34. Inner extension plate; 35. Inner limiting groove; 36. Outer extension plate; 37. Outer limiting groove; 38. Arc insertion hole; 39. Side insertion hole; 41. Fan-shaped plate; 42. Outer limiting block; 43. Inner limiting block; 44. Hidden groove; 45. Side insertion block; 46. Arc insertion block. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] like Figure 1-5As shown, a ball mill partition plate 4 installation structure for low-alkali cement production includes a mounting frame 3, multiple partition plates 4, a central disc 5, and multiple bolts 1 installed inside the ball mill. The multiple partition plates 4 are arranged in a circular matrix and tightly connected on the mounting frame 3. The central disc 5 is located at the center of the mounting frame 3. The mounting frame 3 is an annular plate 31, and the annular plate 31 has multiple fan-shaped openings 32 evenly distributed on its sidewalls corresponding to the partition plates 4. An outer extension plate 36 and an inner extension plate 34 are respectively provided at the outer and inner edges. The outer extension plate 36 and the inner extension plate 34 are respectively provided with an outer limiting groove 37 and an inner limiting groove 35 corresponding to the fan-shaped opening 32. The partition plate 4 is a fan-shaped plate 41, which has multiple holes 2. An outer limiting block 42 and an inner limiting block 43 are respectively provided on the outer and inner arc sides of the fan-shaped plate 41. The outer limiting block 42 and the inner limiting block 43 can be axially inserted into the outer limiting block. The groove 37 and the inner limiting groove 35, and the multiple fan-shaped plates 41 and the annular plate 31 are provided with multiple fixing holes 33 at corresponding positions. The multiple fan-shaped plates 41 and the annular plate 31 are fixed by bolts 1 passing through the fixing holes 33. The annular plate 31 is provided with side insertion holes 39 on the left and right sides corresponding to the fan-shaped opening 32. The side insertion block 45 is provided on the side of the fan-shaped plate 41 facing the annular plate 31 and corresponding to the side insertion hole 39. The side insertion block 45 is axially inserted into the side insertion hole 39. In the middle; the annular plate 31 is provided with an arc insertion hole 38 on the outer arc side of the fan-shaped opening 32, and the fan-shaped plate 41 is provided with an arc insertion block 46 on the side facing the annular plate 31 and corresponding to the arc insertion hole 38. The arc insertion block 46 is axially inserted into the arc insertion hole 38; a hidden groove 44 is opened at the opening of the fixing hole 33, and the head of the bolt 1 is recessed in the hidden groove 44; the outer extension plate 36 and the inner extension plate 34 of the annular plate 31 are integrally formed with the annular plate 31.
[0021] Its detailed connection methods are well-known technologies in this field. The following mainly introduces the working principle and process, as follows:
[0022] According to the instruction manual Figure 1-5As can be seen, in this utility model, the mounting frame 3 includes an annular plate 31, which is installed inside the ball mill. It is provided with multiple fan-shaped openings 32, and a central disc 5 can be installed in the center. The annular plate 31 is provided with protruding outer extension plates 36 and inner extension plates 34 at the outer and inner edges, respectively. The partition plate 4 is a fan-shaped plate 41, and its surface is provided with holes 2. During installation, multiple partition plates 4 are arranged in a circular matrix and tightly connected on the mounting frame 3. That is, multiple sector plates 41 are arranged in a circular matrix and tightly connected on the annular plate 31. Simultaneously, outer limiting blocks 42 and inner limiting blocks 43 are respectively installed on the outer and inner arc sides of the sector plates 41 and axially inserted into the corresponding positions of the sector openings 32 on the outer extension plate 36 and inner extension plate 34. Outer limiting grooves 37 and inner limiting grooves 35 are respectively provided, thus limiting the circumferential direction of the sector plates 41. Combined with bolts 1 penetrating the fixing holes 33, the sector plates 41 and the annular plate 31 are fixed, ensuring installation stability. The outer limiting blocks 42 and inner limiting blocks 43 of this invention are inserted into the outer limiting grooves 37 and inner limiting grooves 35, respectively, and, with the fixing of bolts 1, can effectively overcome the circumferential force generated by materials on the partition plates 4, reducing the possibility of bolt 1 loosening, ensuring the stability of the partition plates 4 during operation, and extending their service life.
[0023] Among them, the annular plate 31 is provided with side insertion holes 39 on the left and right sides of the fan-shaped opening 32, and the fan-shaped plate 41 is provided with a side insertion block 45 on the side facing the annular plate 31 and corresponding to the side insertion hole 39. The side insertion block 45 is inserted axially into the side insertion hole 39, which can also achieve the purpose of limiting the circumferential direction of the partition plate 4.
[0024] Among them, the annular plate 31 is provided with an arc insertion hole 38 on the outer arc side of the fan-shaped opening 32, and the fan-shaped plate 41 is provided with an arc insertion block 46 on the side facing the annular plate 31 and corresponding to the arc insertion hole 38. The arc insertion block 46 is axially inserted into the arc insertion hole 38 to further limit the circumferential direction of the partition plate 4.
[0025] The fixing hole 33 has a hidden groove 44 at the opening position, and the head of the bolt 1 is recessed in the hidden groove 44 to reduce the wear on the bolt 1 and improve its service life.
[0026] Among them, the outer extension plate 36 and inner extension plate 34 of the annular plate 31 are integrally formed with the annular plate 31 to increase the structural strength. In addition, the outer limiting block 42, inner limiting block 43, side insertion block 45 and arc insertion block 46 are uniformly fan-shaped plates 41, all of which are designed to improve the structural strength and extend the service life.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A ball mill partition plate (4) installation structure for low-alkali cement production, characterized in that, The assembly includes a mounting frame (3) installed inside the ball mill, multiple partition plates (4), a central disc (5), and multiple bolts (1). The multiple partition plates (4) are arranged in a ring matrix and tightly connected on the mounting frame (3). The central disc (5) is located at the center of the mounting frame (3). The mounting frame (3) is an annular plate (31). Multiple fan-shaped openings (32) corresponding to the partition plates (4) are evenly arranged on the annular plate (31). Protruding outer extension plates (36) and inner extension plates (34) are respectively provided on the side wall of the annular plate (31) at positions corresponding to the outer and inner edges. The outer extension plates (36) and inner extension plates (34) correspond to the fan-shaped openings (32). The partition plate (4) is provided with an outer limiting groove (37) and an inner limiting groove (35) respectively; the partition plate (4) is a fan-shaped plate (41), and multiple holes (2) are provided on the fan-shaped plate (41). The outer arc side and the inner arc side of the fan-shaped plate (41) are respectively provided with an outer limiting block (42) and an inner limiting block (43). The outer limiting block (42) and the inner limiting block (43) can be axially inserted into the outer limiting groove (37) and the inner limiting groove (35). Multiple fixing holes (33) are provided at corresponding positions on the multiple fan-shaped plates (41) and the annular plate (31). The multiple fan-shaped plates (41) and the annular plate (31) are fixed by bolts (1) passing through the fixing holes (33).
2. The ball mill partition plate (4) installation structure for low-alkali cement production according to claim 1, characterized in that, The annular plate (31) is provided with side insertion holes (39) on the left and right sides of the fan-shaped opening (32). The fan-shaped plate (41) is provided with a side insertion block (45) on the side facing the annular plate (31) and corresponding to the side insertion hole (39). The side insertion block (45) is axially inserted into the side insertion hole (39).
3. The ball mill partition plate (4) installation structure for low-alkali cement production according to claim 1, characterized in that, The annular plate (31) is provided with an arc insertion hole (38) on the side of the outer arc of the fan-shaped opening (32). The fan-shaped plate (41) is provided with an arc insertion block (46) on the side facing the annular plate (31) and corresponding to the arc insertion hole (38). The arc insertion block (46) is axially inserted into the arc insertion hole (38).
4. The installation structure of the diaphragm plate (4) for ball mill production of low-alkali cement according to claim 1, characterized in that, The fixing hole (33) has a hidden groove (44) at the opening position, and the head of the bolt (1) is recessed in the hidden groove (44).
5. The installation structure of the diaphragm plate (4) for ball mill production of low-alkali cement according to claim 1, characterized in that, The outer extension plate (36) and inner extension plate (34) of the annular plate (31) are integrally formed with the annular plate (31).