Alumina ball screening equipment

Abstract

The utility model discloses aluminum oxide ball screening equipment, relates to the technical field of aluminum oxide, and aims to solve the problems that aluminum oxide particles with different sizes cannot pass through a screening plate in time, so that the mixing and screening effects of the aluminum oxide particles are poor, a screening box needs to be opened and the aluminum oxide particles need to be taken out, the operation is tedious, and the practicability is low in the background technology. According to the scheme, the screening device comprises a shell, the shell comprises a shell body, a plurality of screening mechanisms are arranged in the shell body, and each screening mechanism comprises a first screening pipe with one end penetrating through and inserted into the outer wall of one side of the shell body and a second screening pipe with one end penetrating through and inserted into the outer wall of one side of the shell body; conveying assemblies are arranged in the multiple first screening pipes and the multiple second screening pipes correspondingly. According to the aluminum oxide particle screening device, aluminum oxide particles can be completely screened, the situation that the aluminum oxide particles with different particle sizes are mixed is avoided, the screening effect is improved, the collected aluminum oxide particles can be rapidly collected, operation steps are simplified, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of alumina, in particular to an alumina ball screening device. Background Art

[0002] Activated alumina, also known as activated bauxite, is usually called "activated alumina" when used in catalysts. It is a porous, highly dispersed solid material with a large surface area. Its microporous surface has the characteristics required for catalysis, such as adsorption performance, surface activity, excellent thermal stability, etc. In the production process of alumina, alumina particles need to be screened.

[0003] After searching, a Chinese patent (application number is "202121428771.2") discloses "a screening device for an alumina ball granulation process that is easy to use". The above device includes a screening box, a feed hopper is fixedly installed on the top of the screening box, and both sides of the inner wall of the screening box are fixedly connected with a fixed plate, the top surface of the fixed plate is fixedly connected with a spring, the top of the spring is fixedly connected with a connecting block, and the bottom surfaces of the connecting block are fixedly connected with limiting columns, and a slide groove is provided through the top surface of the fixed plate, and the top surface of the connecting block is fixedly connected with a first screening plate, and a vibration motor is fixedly installed on both sides of the bottom surface of the first screening plate, and a first inclined plate is fixedly connected to the bottom surface of the first screening plate. A driving motor is fixedly installed on the bottom surface of the screening box, and a rotating shaft is fixedly connected to the output end of the driving motor, and a roller is fixedly connected to the top of the rotating shaft. However, the above device has the following problems during use:

[0004] 1. When screening alumina particles, the alumina particles move under the action of gravity, which may cause the alumina particles to fail to pass through the screening plate in time, resulting in the mixing of alumina particles of different sizes and poor screening effect;

[0005] 2. When collecting the screened alumina particles, it is necessary to open the screening box and take out the alumina particles in the first screening plate, which is cumbersome and of low practicality. Utility Model Content

[0006] The utility model provides an alumina ball screening device, which solves the problem that the alumina particles in the reference document cannot pass through the screening plate in time, resulting in the mixing of alumina particles of different sizes and poor screening effect. The screening box needs to be opened and the alumina particles in the first screening plate need to be taken out, which results in cumbersome operation and low practicality.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A kind of alumina ball screening equipment, including an outer shell, the outer shell includes a shell, and a plurality of screening mechanisms are arranged in the shell, the screening mechanisms include a first screening tube with one end passing through and plugged into the outer wall of one side of the shell and a second screening tube with one end passing through and plugged into the outer wall of one side of the shell, a plurality of the first screening tubes and a plurality of the second screening tubes are each provided with a conveying assembly, the conveying assembly includes a conveying motor, a conveying shaft connected to the outer wall of one end of the conveying motor output shaft through a coupling, and a plurality of spiral blades respectively fixed on the outer wall of the conveying shaft, a first collecting mechanism is arranged below the first screening tube, the first collecting mechanism includes a first collecting box and two first partitions respectively fixed on the inner wall of the first collecting box, a second collecting mechanism is arranged below the second screening tube, the second collecting mechanism includes a second collecting box and three second partitions respectively fixed on the inner wall of the second collecting box.

[0009] Preferably, a top cover is connected to the top outer wall of the shell by bolts, and a feed hopper is connected to the top outer wall of the top cover by bolts.

[0010] Preferably, one end of the first screening tube is connected to the inner wall of one side of the shell by bolts, and a feed pipe is fixedly provided on the inner wall of the top end of the first screening tube, the upper part of the feed pipe passes through and is fixedly provided on the inner wall of the bottom of the feed hopper, a connecting pipe is fixedly provided on the inner wall of the bottom end of the first screening tube, and the lower part of the connecting pipe is fixedly provided on the inner wall of the top of the second screening tube, one end of the second screening tube is connected to the inner wall of one side of the shell by bolts, and filter holes distributed at equal distances are opened on the outer walls of the bottoms of the first screening tube and the second screening tube.

[0011] Preferably, the conveying motor is connected to an outer wall of one side of the shell by bolts, and one end of the conveying shaft is connected to an inner wall of one side of the shell by a bearing.

[0012] Through the above scheme, the alumina particles are transported into the feed pipe through the feed hopper, and then the output shafts of multiple conveying motors rotate to drive the spiral blades to rotate and transport the alumina particles in the first screening tube and the second screening tube. During the conveying process, the first screening tube performs initial screening on the alumina particles, and then the alumina particles that have not been screened in time enter the second screening tube from the connecting tube, and then the second screening tube screens the alumina particles again.

[0013] Preferably, a first opening is opened on an outer wall of one side of the shell, and the first collection box is sleeved in the first opening, first support plates are fixed on the inner walls on both sides of the shell, and the first collection box abuts against the top outer walls of the two first support plates.

[0014] Preferably, a second opening is opened on an outer wall of one side of the shell, and the second collection box is sleeved in the second opening, second support plates are fixed on the inner walls on both sides of the shell, and the second collection box abuts against the top outer walls of the two second support plates.

[0015] According to the above scheme, the alumina particles screened out by the first screening tube are collected by the first collecting box, and the alumina particles screened out by the second screening tube are collected by the second collecting box. Then, the first collecting box and the second collecting box are pulled out to collect the screened alumina particles.

[0016] The beneficial effects of the utility model are:

[0017] 1. A screening mechanism and a conveying assembly are provided, and alumina particles are conveyed into a feed pipe through a feed hopper, and then the output shafts of multiple conveying motors rotate to drive the spiral blades to rotate and convey the alumina particles in the first screening pipe and the second screening pipe. During the conveying process, the first screening pipe performs an initial screening on the alumina particles, and then the alumina particles that have not been screened in time enter the second screening pipe from the connecting pipe, and then the second screening pipe screens the alumina particles again, which can completely screen the alumina particles, avoid mixing of alumina particles of different particle sizes, and improve the screening effect.

[0018] 2. A first collecting mechanism and a second collecting mechanism are provided. The alumina particles screened out by the first screening tube are collected by the first collecting box, and the alumina particles screened out by the second screening tube are collected by the second collecting box. Then, the first collecting box and the second collecting box are pulled out to collect the screened alumina particles. The collected alumina particles can be collected quickly, which simplifies the operation steps and improves practicality.

[0019] In summary, the utility model can completely screen the alumina particles, avoid mixing of alumina particles of different particle sizes, improve the screening effect, can quickly collect the collected alumina particles, simplify the operating steps, and improve practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main stereoscopic structure of an alumina ball screening device proposed by the utility model.

[0021] Figure 2 This is a schematic diagram of the main cross-sectional structure of an alumina ball screening device proposed by the utility model.

[0022] Figure 3 This is a schematic diagram of the main cross-sectional structure of the shell of an alumina ball screening device proposed by the utility model.

[0023] Figure 4 This is a schematic diagram of the front cross-sectional structure of a screening mechanism of an alumina ball screening device proposed by the utility model.

[0024] Figure 5This is a schematic diagram of the three-dimensional structure of a conveying component of an alumina ball screening device proposed by the utility model.

[0025] Figure 6 This is a schematic diagram of the main cross-sectional structure of a first collecting mechanism of an alumina ball screening device proposed in the utility model.

[0026] Figure 7 This is a schematic diagram of the main cross-sectional structure of the second collecting mechanism of the alumina ball screening device proposed by the utility model.

[0027] In the figure: 1. outer shell; 101. shell; 102. top cover; 103. feed hopper; 2. screening mechanism; 201. first screening tube; 202. feed tube; 203. connecting tube; 204. second screening tube; 3. conveying assembly; 301. conveying motor; 302. conveying shaft; 303. spiral blade; 4. first collecting mechanism; 401. first collecting box; 402. first partition; 403. first support plate; 5. second collecting mechanism; 501. second collecting box; 502. second partition; 503. second support plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Example 1, reference Figure 1-5, an alumina ball screening device, comprising a shell 1, the shell 1 comprises a shell 101, a top cover 102 is connected to the top outer wall of the shell 101 by bolts, a feed hopper 103 is connected to the top outer wall of the top cover 102 by bolts, a plurality of screening mechanisms 2 are arranged in the shell 101, the screening mechanism 2 comprises a first screening tube 201 with one end penetrating and plugged into the outer wall of one side of the shell 101 and a second screening tube 204 with one end penetrating and plugged into the outer wall of one side of the shell 101, one end of the first screening tube 201 is connected to the inner wall of one side of the shell 101 by bolts, a feed pipe 202 is fixedly arranged on the inner wall of the top end of the first screening tube 201, the upper part of the feed pipe 202 penetrates and is fixedly arranged on the inner wall of the bottom of the feed hopper 103, a connecting pipe 203 is fixedly arranged on the inner wall of the bottom end of the first screening tube 201, and the lower part of the connecting pipe 203 is fixedly arranged on the second screening tube 204. On the inner wall of the top of the tube 204, one end of the second screening tube 204 is connected to the inner wall of one side of the shell 101 by bolts, and the first screening tube 201 and the second screening tube 204 are both provided with filter holes distributed at equal distances on the outer wall at the bottom. The aperture of the filter holes at the bottom of the first screening tube 201 increases from left to right, and the aperture of the filter holes at the bottom of the second screening tube 204 decreases from right to left. A plurality of first screening tubes 201 and a plurality of second screening tubes 204 are each provided with a conveying assembly 3, and the conveying assembly 3 includes a conveying motor 301, a conveying shaft 302 connected to the outer wall of one end of the output shaft of the conveying motor 301 through a coupling, and a plurality of spiral blades 303 respectively fixed on the outer wall of the conveying shaft 302. The conveying motor 301 is connected to the outer wall of one side of the shell 101 by bolts, and one end of the conveying shaft 302 is connected to the inner wall of one side of the shell 101 through a bearing.

[0030] Example 2, reference Figure 1 and Figure 6-7 , an alumina ball screening device, also includes a first collecting mechanism 4, the first collecting mechanism 4 includes a first collecting box 401 and two first partitions 402 respectively fixed on the inner wall of the first collecting box 401, a first opening is opened on the outer wall of one side of the shell 101, the first collecting box 401 is sleeved in the first opening, first support plates 403 are fixed on the inner walls of both sides of the shell 101, the first collecting box 401 abuts on the outer walls of the tops of the two first support plates 403, a second collecting mechanism 5 is provided below the second screening pipe 204, the second collecting mechanism 5 includes a second collecting box 501 and three second partitions 502 respectively fixed on the inner walls of the second collecting box 501, a second opening is opened on the outer wall of one side of the shell 101, the second collecting box 501 is sleeved in the second opening, second support plates 503 are fixed on the inner walls of both sides of the shell 101, the second collecting box 501 abuts on the outer walls of the tops of the two second support plates 503.

[0031] Working principle: Alumina particles are transported into the feed pipe 202 through the feed hopper 103, and then the output shafts of multiple conveying motors 301 rotate to drive the spiral blades 303 to rotate and transport the alumina particles in the first screening tube 201 and the second screening tube 204. During the transportation process, the first screening tube 201 performs an initial screening on the alumina particles, and then the alumina particles that have not been screened in time enter the second screening tube 204 from the connecting tube 203, and then the second screening tube 204 screens the alumina particles again, and the first collecting box 401 collects the alumina particles screened by the first screening tube 201, and the second collecting box 501 collects the alumina particles screened by the second screening tube 204, and then the first collecting box 401 and the second collecting box 501 are pulled out to collect the screened alumina particles.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An alumina ball screening device, comprising a housing (1), characterized in that: The housing (1) comprises a shell (101), wherein a plurality of screening mechanisms (2) are arranged in the shell (101), wherein the screening mechanisms (2) comprise a first screening tube (201) having one end penetrating through and plugged into an outer wall of one side of the shell (101), and a second screening tube (204) having one end penetrating through and plugged into an outer wall of one side of the shell (101); A plurality of the first screening tubes (201) and a plurality of the second screening tubes (204) are each provided with a conveying assembly (3), the conveying assembly (3) comprising a conveying motor (301), a conveying shaft (302) connected to the outer wall of one end of the output shaft of the conveying motor (301) through a coupling, and a plurality of spiral blades (303) respectively fixed on the outer wall of the conveying shaft (302); A first collecting mechanism (4) is provided below the first screening tube (201), and the first collecting mechanism (4) comprises a first collecting box (401) and two first partitions (402) respectively fixed to the inner wall of the first collecting box (401); A second collecting mechanism (5) is provided below the second screening tube (204), and the second collecting mechanism (5) comprises a second collecting box (501) and three second partitions (502) respectively fixed on the inner wall of the second collecting box (501).

2. The alumina ball screening device according to claim 1, characterized in that: A top cover (102) is connected to the top outer wall of the shell (101) via bolts, and a feed hopper (103) is connected to the top outer wall of the top cover (102) via bolts.

3. The alumina ball screening device according to claim 2, characterized in that: One end of the first screening tube (201) is connected to the inner wall of one side of the shell (101) by bolts, and a feed pipe (202) is fixedly arranged on the inner wall of the top end of the first screening tube (201), and the upper part of the feed pipe (202) passes through and is fixedly arranged on the inner wall of the bottom of the feed hopper (103). A connecting tube (203) is fixedly arranged on the inner wall of the bottom end of the first screening tube (201), and the lower part of the connecting tube (203) is fixedly arranged on the inner wall of the top of the second screening tube (204). One end of the second screening tube (204) is connected to the inner wall of one side of the shell (101) by bolts, and filter holes distributed at equal distances are opened on the outer walls of the bottoms of the first screening tube (201) and the second screening tube (204).

4. The alumina ball screening device according to claim 1, characterized in that: The conveying motor (301) is connected to an outer wall of one side of the housing (101) via bolts, and one end of the conveying shaft (302) is connected to an inner wall of one side of the housing (101) via a bearing.

5. The alumina ball screening device according to claim 1, characterized in that: A first opening is formed on an outer wall of one side of the shell (101), and the first collection box (401) is sleeved in the first opening. First support plates (403) are fixedly provided on the inner walls of both sides of the shell (101), and the first collection box (401) abuts against the outer walls at the tops of the two first support plates (403).

6. The alumina ball screening device according to claim 1, characterized in that: A second opening is formed on an outer wall of one side of the shell (101), and the second collection box (501) is sleeved in the second opening. Second support plates (503) are fixedly provided on the inner walls of both sides of the shell (101), and the second collection box (501) abuts against the top outer walls of the two second support plates (503).

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