Efficient side edge discharging vertical mill distributing device

Abstract

The utility model discloses an efficient side edge blanking vertical mill distributor which comprises a cylindrical base connected with a lower cone of a vertical mill, a reinforcing connecting rib connected with the cylindrical base and a scraping plate connected with the reinforcing connecting rib, the scraping plate is provided with a trapezoidal plate and an inclined plate, one side of the middle point of the lower edge of the trapezoidal plate is parallel to a millstone, and the other side of the middle point of the lower edge of the trapezoidal plate is parallel to the millstone. The other side is connected with an inclined plate. Materials falling from the side edge can be more evenly laid on the millstone, uneven abrasion of the two main rollers is reduced, meanwhile, accumulated materials in the center of the millstone are reduced, and good practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical mills, in particular to a high-efficiency distributor of a side-feeding vertical mill. Background Art

[0002] In the side-discharging vertical mills currently used in China, materials are dropped onto the grinding disc through a chute on the lower cone. Because the chute opening is located on the side of the grinding disc, it is difficult for the material to be evenly distributed on the grinding disc. This results in different main rollers contacting different amounts of material, which leads to uneven wear on the grinding rollers and material accumulation in the center of the grinding disc. Therefore, in addition to changing the material discharge method, the grinding disc distribution method also needs further improvement. Utility Model Content

[0003] The purpose of the utility model is to solve the technical defects of the side-feeding vertical mill material distribution device in the prior art and to provide an efficient and uniform vertical mill material distribution device.

[0004] The technical solution is:

[0005] A vertical mill feeding device suitable for side feeding includes a cylindrical base connected to the lower cone of the vertical mill, reinforcing connecting ribs connected to the cylindrical base, and a scraper plate connected to the reinforcing connecting ribs. The scraper plate has a trapezoidal plate and an inclined plate. One side of the midpoint of the lower side of the trapezoidal plate is parallel to the grinding disc, and the other side is connected to the inclined plate.

[0006] Preferably, the horizontal length of the upper side of the scraper plate is 190cm-210cm, the horizontal length of the lower side is 160cm-180cm, and the height is 15cm-30cm.

[0007] Preferably, the inclination angle of the inclined plate is 5°-15°.

[0008] Preferably, the cylindrical base is provided with inverted U-shaped notches on both sides of the discharge chute of the vertical mill.

[0009] Preferably, the cylindrical base and the scraper plate are connected via 2 to 8 reinforcing ribs.

[0010] Preferably, the scraper plate is a 20mm-30mm thick steel plate.

[0011] The utility model has the following beneficial technical effects:

[0012] The utility model adopts a nearly trapezoidal material distribution scraper. When the material enters the mill from the discharge chute and falls on one side of the center point of the grinding disc, as the grinding disc rotates, the material hits the horizontal side of the scraper plate, and a part of the material is spread by the scraper plate to the first grinding roller. As the grinding disc continues to rotate, the remaining material contacts the lower inclined plate on the other side and is spread to the second grinding roller. Due to the use of scrapers with different heights on both sides, the two grinding rollers can receive the material more evenly, effectively solving the problem of more serious wear of the grinding rollers close to the chute, and helping to solve the phenomenon of material compaction in the middle of the grinding disc. The utility model can solve the problem of uneven material distribution in the vertical mill with side discharge, and solve the problem of material piling in the center of the grinding disc and inconsistent wear of different grinding rollers, and has quite good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0014] Figure 1 This is a structural diagram of an implementation method of the utility model high-efficiency distributor.

[0015] Markings in the figure: cylindrical base 1, reinforcing rib 2, scraper plate 3, trapezoidal plate 31, inclined plate 32, vertical mill lower cone 4, and discharge chute 5. DETAILED DESCRIPTION

[0016] Combined with attachment Figure 1 This embodiment provides an efficient distributor for a side-feeding vertical mill, comprising a cylindrical base 1 connected to the lower cone 4 of the vertical mill, a reinforcing connecting rib 2 connected to the cylindrical base 1, and a scraper plate 3 connected to the reinforcing connecting rib 2. The scraper plate 3 has a trapezoidal plate 31 and an inclined plate 32. One side of the midpoint A of the lower side of the trapezoidal plate 31 is parallel to the grinding disc, and the other side is connected to the inclined plate 32.

[0017] As a preferred implementation of this embodiment, the scraper plate 3 has an upper horizontal length of 190cm-210cm, a lower horizontal length of 160cm-180cm, and a height of 15cm-30cm.

[0018] As a preferred implementation of this embodiment, the inclination angle of the inclined plate 32 is 5°-15°.

[0019] As a preferred implementation of this embodiment, the cylindrical base 1 is provided with inverted U-shaped notches 11 on both sides of the discharge chute 5 of the lower cone 4 .

[0020] As a preferred implementation of this embodiment, the cylindrical base 1 and the scraper plate 3 are connected by 2 to 8 reinforcing connecting ribs 2.

[0021] As a preferred implementation of this embodiment, the scraper plate 3 is a steel plate with a thickness of 20 mm to 30 mm.

[0022] Its working principle is roughly as follows:

[0023] During operation, material enters the mill through the discharge chute 5 and lands on one side of the grinding disc. As the grinding disc rotates, the horizontal side of the distributor scraper 3 operates first, performing the first distribution, spreading a portion of the material on the first grinding roller. The undistributed material encounters the lower inclined plate 32 of the scraper 3, where it undergoes the second distribution, spreading the remaining material on the second grinding roller. This design ensures that the material is evenly distributed on both grinding rollers, reducing uneven wear on the grinding rollers. At the same time, the presence of the scraper 3 prevents material from lumping together at the center of the grinding disc.

[0024] It should be noted that, based on the teachings of this specification, those skilled in the art may also make such or such easy variations, such as equivalent variations or obvious variations, and all such variations shall fall within the scope of protection of this utility model.

Claims

1. A high-efficiency side-feeding vertical mill distributor, comprising a cylindrical base connected to the lower cone of the vertical mill, and a reinforcing connecting rib connected to the cylindrical base, characterized in that: It also includes a scraper plate, which is connected to the reinforcing connecting rib. The scraper plate has a trapezoidal plate and an inclined plate. One side of the midpoint of the lower side of the trapezoidal plate is parallel to the grinding disc, and the other side is connected to the inclined plate.

2. The high-efficiency side-feeding vertical mill distributor according to claim 1 is characterized by: The horizontal length of the upper side of the scraper plate is 190cm-210cm, the horizontal length of the lower side is 160cm-180cm, and the height is 15cm-30cm.

3. The high-efficiency side-feeding vertical mill distributor according to claim 1 is characterized in that: The inclination angle of the inclined plate is 5°-15°.

4. The high-efficiency side-feeding vertical mill distributor according to claim 1 is characterized in that: The cylindrical base is provided with inverted U-shaped notches on both sides of the discharge chute of the vertical mill.

5. The high-efficiency side-feeding vertical mill distributor according to claim 1 is characterized in that: The cylindrical base and the scraper plate are connected via 2 to 8 reinforcing connecting ribs.

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