CN212789993U

CN212789993U - Large-scale accurate ceramic vacuum filter

Info

Publication number: CN212789993U
Application number: CN202020733498.3U
Authority: CN
Inventors: 尚玉强; 康德增; 杨荣琳
Original assignee: Nuclear Industry Yantai Toncin Industry Co ltd
Current assignee: Nuclear Industry Yantai Toncin Industry Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-03-26
Anticipated expiration: 2030-05-07

Abstract

The utility model provides a large-scale accurate ceramic vacuum filter, belongs to solid-liquid separation technical field, especially relates to a large-scale accurate ceramic vacuum filter, including frame, main shaft, micro porous filter ring, thick liquid chamber, agitating unit, cloth pipe, drive arrangement, scraper, dewatering device, ultrasonic cleaning device and brush roll. The brush roll surface is provided with brush hair which is rotationally fixed on the two sides of the microporous filtering ring and contacts with the microporous filtering ring, and the drive chain wheel is utilized to drive the chain to move, so that the brush roll chain wheel of the brush roll shaft head is driven to rotate. The utility model discloses can effectively clear away the remaining material on microporous filter plate surface, realize microporous filter's regeneration, prolong microporous filter's life.

Description

Large-scale accurate ceramic vacuum filter

Technical Field

The utility model belongs to the technical field of solid-liquid separation, especially, relate to a large-scale accurate ceramic vacuum filter.

Background

The precise ceramic vacuum filter is a new product integrating electromechanical, microporous filter plate, ultrasonic cleaning and other high and new technologies. The device has the advantages of advanced technology, compact structure, superior performance, remarkable social and economic benefits, and can be widely applied to industries such as metallurgy, chemical industry, coal, mine, power generation, nonferrous metal, environmental protection, sewage treatment and the like.

The precise ceramic vacuum filter utilizes the capillary phenomenon of ceramics: when the vacuum pumping is carried out, only water can pass through, and air and mineral particles cannot pass through, so that the energy consumption and the material moisture are greatly reduced. Therefore, the precise ceramic vacuum filter is a new generation of high-efficiency energy-saving solid-liquid separation equipment.

With the demand for higher production efficiency, large precision ceramic vacuum filters have been used in more and more occasions, publication No. CN200710113898.3 discloses a desulfurization vacuum filter, which comprises a main machine, a dewatering device, an ultrasonic cleaning device and a rotor made of ceramic plates, but the regeneration effect of the ceramic plates is poor, the blockage is easy to occur, the service life is short, and the solid-liquid separation effect is seriously affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a large-scale accurate ceramic vacuum filter, can solve above-mentioned problem, effectively improve the regeneration effect of microporous filter, extension microporous filter life.

A large-scale precise ceramic vacuum filter comprises a frame, a main shaft, a microporous filter ring, a slurry cavity, a stirring device, a distributing pipe, a driving device, a scraper, a dewatering device and an ultrasonic cleaning device; the microporous filter ring consists of coplanar and uniformly distributed microporous filter plates; the filter is characterized by also comprising a brush roll with bristles; the brush roller is contacted with the side surface of the microporous filtering ring; the brush roller is positioned below the scraper on the rotation path of the microporous filtering ring.

Preferably, the filter is provided with a driving chain wheel, a driven chain wheel and an annular closed chain; the driving chain wheel is meshed with the inner ring of the chain; the driven chain wheel is meshed with the inner ring of the chain; the brush roll shaft head is fixed with a brush roll chain wheel; the brush roll chain wheel is positioned between the driving chain wheel and the driven chain wheel; the brush roll sprocket is engaged with the chain.

Preferably, the distributing pipe is fixedly arranged at the bottom in the slurry cavity; the material distribution pipe is arranged along the axial direction of the main shaft; the side of the distributing pipe is provided with symmetrically arranged distributing openings.

Preferably, the ultrasonic cleaning device comprises a plurality of ultrasonic generators; the ultrasonic generator is arranged in the slurry cavity; the ultrasonic generator is arranged on the side surface of each microporous filter ring; two groups of ultrasonic generators are arranged between the two adjacent groups of microporous filter rings.

The utility model has the advantages that: the brush rolls are arranged on two sides of the microporous filter plate, and can be used for removing residual materials on the surface of the microporous filter plate and preventing the materials from being adhered to the surface of the microporous filter plate for a long time to cause blockage. The material distributing pipe is arranged at the bottom in the slurry cavity and is provided with symmetrically arranged material distributing holes, and materials flow out of the material distributing holes and can be annularly stirred, so that the materials in the slurry cavity are more uniformly distributed, and precipitation and scaling are reduced.

Drawings

FIG. 1 is a schematic structural view of a large-scale precision ceramic vacuum filter according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

fig. 4 is a partially enlarged view of fig. 2.

In the figure, 1, a frame; 2. a main shaft; 3. a microporous filter ring; 31. a microporous filter plate; 4. a slurry chamber; 5. A stirring device; 6. a distributing pipe; 7. a drive device; 8. a scraper; 9. an ultrasonic generator; 10. a dewatering device; 11. a brush roll; 12. a drive sprocket; 13. a driven sprocket; 14. a brush roll sprocket; 15. a chain; 16. The sprocket drives the motor.

Detailed Description

The invention will be further described with reference to the accompanying drawings, which are provided for illustration of specific embodiments of the invention and are not to be construed as in any way limiting the invention, as follows:

as shown in figure 1, figure 2 and figure 3, a large-scale precise ceramic vacuum filter comprises a frame 1, a main shaft 2, a microporous filter ring 3, a slurry cavity 4, a stirring device 5, a distributing pipe 6, a driving device 7, a scraper 8, a dewatering device 10 and a plurality of ultrasonic cleaning devices consisting of ultrasonic generators 9. The microporous filter ring 3 is composed of a plurality of coplanar and uniformly distributed fan-shaped microporous filter plates 31 and is fixed on the outer side surface of the main shaft 2, and the microporous filter rings 3 are axially arranged in parallel at equal intervals on the main shaft 2. The side surface of each microporous filter ring 3 is provided with an ultrasonic generator 9, the ultrasonic generator 9 is fixedly arranged in the cavity of the slurry cavity 4, and the microporous filter plate 31 is ultrasonically cleaned by utilizing the generated ultrasonic vibration to remove the residual materials on the surface. Two groups of ultrasonic generators 9 are arranged between the adjacent microporous filter rings 3, so that the distance between each ultrasonic generator 9 and each microporous filter ring 3 is more reasonable, the influence of the difference of the adhesion conditions of materials on different microporous filter rings 3 is avoided, and the cleaning effect is improved. The cloth pipe 6 is fixed in the bottom of the slurry cavity 4 along the axial direction of the main shaft 2, a plurality of cloth holes (not shown in the figure) are symmetrically arranged on two side faces of the cloth pipe, the material can enter the slurry cavity 4 through the cloth holes and form annular stirring, so that the material is more uniformly distributed in the slurry cavity 4, and the bottom of the slurry cavity 4 is not easy to precipitate and scale.

As shown in fig. 3 and 4, the brush roller 11 having bristles on the surface thereof is located on the side of the microporous filter ring 3 and is in surface contact with the microporous filter ring 3. The brush roller 11 is located below the scraper 8 so that the same micro-porous filter plate 31 passes the scraper 8 before contacting the brush roller 11. So that the brush roller 11 can clean the micro-porous filter plate 31 after being discharged by the scraper 8. In addition, the brush roller 11 is located below the scraper 8, and the scraper 8 can block the dry materials discharged, so that the dry materials are prevented from falling onto the brush roller 11, and the cleaning effect is prevented from being influenced. The brush roller 11 is rotationally fixed on the outer wall of the cavity of the slurry cavity 4 through a bearing, and a brush roller chain wheel 14 is fixed on a shaft head of the brush roller. The driving chain wheel 12 is rotationally fixed on the frame 1 and is connected with a chain wheel driving motor 16 through a shaft, and the driving chain wheel 12 is meshed with the inner ring of the annular closed chain 15 under the driving of the driving motor 16. The driven sprocket 13 is rotatably fixed to the frame 1 and also engages with the inner periphery of the endless closed chain 15. The drive sprocket 12 and the driven sprocket 13 are coplanar on their rotational planes. And a plurality of brush roll chain wheels 14 are positioned between the driving chain wheel 12 and the driven chain wheel 13 and are meshed with the chain 15, and the brush rolls 11 are driven by the chain 15 to rotate. The brush roller 11 cleans the residual materials adhered to the surface of the microporous filter plate 31 through rotation.

Thus, it should be understood by those skilled in the art that while exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations and modifications can be made in accordance with the principles of the invention without departing from the spirit and scope of the invention, which is broadly defined and defined herein. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A large-scale precise ceramic vacuum filter comprises a frame (1), a main shaft (2), a microporous filter ring (3), a slurry cavity (4), a stirring device (5), a distributing pipe (6), a driving device (7), a scraper (8), a dewatering device (10) and an ultrasonic cleaning device; the microporous filter ring (3) consists of coplanar and uniformly distributed microporous filter plates (31); characterized in that the filter also comprises a brush roll (11) with brush hairs; the brush roller (11) is contacted with the side surface of the microporous filtering ring (3); the brush roller (11) is positioned below the scraper (8) on the rotating path of the microporous filtering ring (3).

2. A filter according to claim 1, having a drive sprocket (12), a driven sprocket (13) and an endless closed chain (15); the driving chain wheel (12) is meshed with the inner ring of the chain (15); the driven chain wheel (13) is meshed with the inner ring of the chain (15); the shaft head of the brush roller (11) is fixed with a brush roller chain wheel (14); the brush roller chain wheel (14) is positioned between the driving chain wheel (12) and the driven chain wheel (13); the brush roller chain wheel (14) is meshed with the chain (15).

3. A filter according to claim 1, wherein the distribution pipe (6) is fixedly arranged at the bottom inside the slurry chamber (4); the distributing pipe (6) is arranged along the axial direction of the main shaft (2); the side surface of the distributing pipe (6) is provided with symmetrically arranged distributing openings.

4. A filter according to claim 1, wherein the ultrasonic cleaning means comprise a plurality of ultrasonic generators (9); the ultrasonic generator (9) is arranged in the slurry cavity (4); the ultrasonic generator (9) is arranged on the side surface of each microporous filter ring (3); two groups of ultrasonic generators (9) are arranged between two adjacent groups of the microporous filter rings (3).