CN214864343U

CN214864343U - Carborundum miropowder decarbonization device

Info

Publication number: CN214864343U
Application number: CN202120630003.9U
Authority: CN
Inventors: 王亚平; 刘创; 刘俊杰; 仲曙光; 吕本会
Original assignee: PINGDINGSHAN YICHENG NEW MATERIAL CO Ltd
Current assignee: PINGDINGSHAN YICHENG NEW MATERIAL CO Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-26
Anticipated expiration: 2031-03-29

Abstract

A silicon carbide micro-powder decarbonization device comprises a carbon cylinder, a material removing cylinder, an arc-shaped carbon material separator, filter cloth and a negative pressure device; the carbon cylinder and the stripping cylinder are arranged adjacently, an arc-shaped carbon material separator is arranged above the carbon cylinder and is connected with the stripping cylinder through a pipeline, two layers of filter cloth are arranged in an inner cavity at the lower part of the stripping cylinder, and a negative pressure device is connected to the cylinder wall of the inner cavity of the stripping cylinder, which is close to the bottom; the arc-shaped carbon material separator is uniformly provided with a plurality of groups of separating mechanisms, each group of separating mechanism comprises a first row of holes, a second row of holes and a third row of holes which are parallel and sequentially distributed, each first row of holes comprises a plurality of vertically distributed first separating holes, each second row of holes comprises a plurality of vertically distributed second separating holes, and each third row of holes comprises a plurality of vertically distributed third separating holes. The multi-carbon material is treated by a physical method, so that the method is efficient and convenient; the angle of the separator and the size of the negative pressure are adjusted to finally form the high-purity carbon material with the purity of more than 98 percent, so that the recovery and utilization rate of the silicon carbide is improved.

Description

Carborundum miropowder decarbonization device

Technical Field

The utility model belongs to the technical field of carborundum miropowder processing, concretely relates to carborundum miropowder decarbonization device.

Background

In the production process of silicon carbide, impurity removal of raw materials is involved. The carbon material is an impurity mixed in a silicon carbide product in the production of silicon carbide micro powder, and is usually removed by flotation after a flotation agent such as liquid detergent is mixed with the carbon material and is treated as a byproduct. Under the current process conditions, the carbon content (wt, mass fraction) in the carbon material can only reach about 60-80%, and the carbon material contains a certain amount of silicon carbide micro powder, and the selling price of the silicon carbide is far greater than that of the carbon, so that enterprises try to separate the silicon carbide mixed in the carbon material to the greatest extent, thereby achieving the double purposes of recovering the silicon carbide micro powder and improving the carbon content.

Although the flotation agent can remove a part of carbon, the carbon impurity cannot be removed completely by single flotation, and the carbon impurity cannot be used as a raw material to enter the next process.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to solve the deficiencies of the prior art, the present invention provides a carbon removal device for silicon carbide micropowder, which utilizes a physical method to treat a multi-carbon material, thereby well satisfying the production requirement, and simultaneously reducing the number of times of treatment of the carbon material, so that the carbon material can be treated qualified once; the content of silicon carbide in the carbon material is reduced, the bottleneck of a raw material treatment decarburization process is solved, and the labor intensity of workers is reduced; in the actual process operation, according to different content conditions of carbon impurities, the angle of the separator and the size of the negative pressure are adjusted to finally form the high-purity carbon material with the purity of more than 98%, and meanwhile, the aim of improving the content of the recycled silicon carbide micro powder is achieved.

In order to achieve the above object, the utility model adopts the following technical scheme:

a silicon carbide micro-powder decarbonization device comprises a carbon cylinder, a material removing cylinder, an arc-shaped carbon material separator, filter cloth and a negative pressure device;

the carbon cylinder and the stripping cylinder are arranged adjacently, an arc-shaped carbon material separator is arranged above the carbon cylinder, the arc-shaped carbon material separator is connected with the stripping cylinder through a pipeline, two layers of filter cloth are arranged in an inner cavity at the lower part of the stripping cylinder, and a negative pressure device is connected to the cylinder wall of the inner cavity of the stripping cylinder, which is close to the bottom;

the arc-shaped carbon material separator is characterized in that multiple groups of separating mechanisms are uniformly distributed on the arc-shaped carbon material separator, each group of separating mechanisms comprises a first row of holes, a second row of holes and a third row of holes which are parallel and sequentially distributed, each first row of holes comprises a plurality of vertically distributed first separating holes, each second row of holes comprises a plurality of vertically distributed second separating holes, and each third row of holes comprises a plurality of vertically distributed third separating holes.

Further, the arc length of the arc-shaped carbon material separator is 35cm, the length of the separating mechanism is 2.2m, an included angle exists between the separating mechanism and the horizontal plane, and the included angle is 5-8 degrees.

Furthermore, the aperture of each filter cloth is 3-8um, and the two layers of filter cloth are spaced and parallel.

Further, the pressure range of the negative pressure device is 0.075-0.105 MPa.

Furthermore, the aperture of the first separation hole is 2mm, the aperture of the second separation hole is 3mm, and the aperture of the third separation hole is 5 mm.

Furthermore, the stripping cylinder and the carbon cylinder are cylindrical.

The utility model has the advantages that:

in summary, the silicon carbide micro powder decarbonization device of the utility model utilizes the physical method to treat the multi-carbon material, thereby well meeting the production requirement, reducing the treatment times of the carbon material, and ensuring that the carbon material can be qualified after being treated once; the content of silicon carbide in the carbon material is reduced, the bottleneck of a raw material treatment decarburization process is solved, and the labor intensity of workers is reduced; in the actual process operation, according to different content conditions of carbon impurities, the angle of the separator and the size of the negative pressure are adjusted to finally form the high-purity carbon material with the purity of more than 98%, and meanwhile, the aim of improving the content of the recycled silicon carbide micro powder is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the detachment mechanism;

the labels in the figure are: 1. the device comprises a carbon cylinder, 2, a stripping cylinder, 3, an arc-shaped carbon material separator, 4, filter cloth, 5, a negative pressure device, 6, a first row of holes, 7, a second row of holes, 8, a third row of holes, 9, a first separation hole, 10, a second separation hole, 11 and a third separation hole.

Detailed Description

The following provides specific embodiments, which will further clearly, completely and specifically explain the technical solutions of the present invention. The present embodiment is the best embodiment based on the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.

A silicon carbide micro-powder decarbonization device comprises a carbon cylinder 1, a material removing cylinder 2, an arc-shaped carbon material separator 3, a filter cloth 4 and a negative pressure device 5;

the carbon cylinder 1 and the stripping cylinder 2 are arranged adjacently, an arc-shaped carbon material separator 3 is arranged above the carbon cylinder 1, the arc-shaped carbon material separator 3 is connected with the stripping cylinder 2 through a pipeline, two layers of filter cloth 4 are arranged in a position, 50-55cm away from the bottom of the stripping cylinder 2, of an inner cavity at the lower part of the stripping cylinder 2, and a negative pressure device 5 is connected to the cylinder wall, 20-25cm close to the bottom, of the inner cavity of the stripping cylinder 2;

the arc-shaped carbon material separator 3 is uniformly provided with a plurality of groups of separating mechanisms, a single group of separating mechanisms comprises a first row of holes 6, a second row of holes 7 and a third row of holes 8 which are distributed in parallel and in sequence, the hole diameter of each row of holes is the same, the distance between the two holes is 1cm, and the holes are distributed in an orderly staggered manner; the first row of holes 6 comprises a plurality of vertically distributed first separation holes 9, the second row of holes 7 comprises a plurality of vertically distributed second separation holes 10, and the third row of holes 8 comprises a plurality of vertically distributed third separation holes 11.

Furthermore, the aperture of each filter cloth 4 is 3-8um, and the two layers of filter cloths are spaced and parallel.

Further, the pressure range of the negative pressure device 5 is 0.075-0.105MPa

Further, the aperture of the first separation hole 9 is 2mm, the aperture of the second separation hole 10 is 3mm, and the aperture of the third separation hole 11 is 5 mm. The separation holes on the separation mechanism are distributed in a staggered manner, so that the separation efficiency is improved, and the carbon materials with large specific gravity can be separated more efficiently. The arc-shaped carbon material separator 3, the filter cloth 4 and the negative pressure device 5 further separate carbon materials from silicon carbide by utilizing the principle that the particle sizes of the carbon materials and the silicon carbide are different, so that the purity of the carbon materials is improved.

Further, the stripping cylinder 2 and the carbon cylinder 1 are both cylindrical. In this example, the diameter of the stripping cylinder 2 is 1.5m and the height is 80 cm.

Further, in the utility model discloses in, arc length of arc carbon material separator 3 is 35cm, and separating mechanism's length is 2.2m, and there is an contained angle separating mechanism and horizontal plane, and the angle is 5-8 degrees. When carbon materials pass through the arc-shaped carbon material separator 3, the carbon materials with a little more content are deposited to the bottom of the separating mechanism in a great proportion and flow into the carbon cylinder 1 for repeated treatment, while carbon foam with a little content has a small specific gravity and floats on the separating mechanism, and because the separating mechanism has an inclination angle, the carbon foam generated by gravity automatically flows into the material removing cylinder 2 through a pipeline for next step carbon removal;

carbon material through arc carbon material separator 3 passes through the pipeline and introduces cylindrical stripping cylinder 2, starts the negative pressure device 5 of cylindrical stripping cylinder 2 bottom, and negative pressure device 5 is the vacuum negative pressure pump, because negative pressure device 5 effect, the carbon material separates through two-layer filter cloth 4, and the ground paste that the carbon volume is low gathers in stripping cylinder 2 through the filter cloth, and the high carbon ground paste is blockked on filter cloth 4, makes the outside formation carbon content of filter cloth 4 keep at the high-purity carbon material more than 98%.

The essential features, the basic principle and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be modified in various ways according to the actual situation without departing from the spirit and scope of the present invention, and these modifications and improvements are all within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a carborundum miropowder decarbonization device which characterized in that: comprises a carbon cylinder (1), a stripping cylinder (2), an arc-shaped carbon material separator (3), filter cloth (4) and a negative pressure device (5);

the carbon cylinder (1) and the stripping cylinder (2) are arranged adjacently, the arc-shaped carbon material separator (3) is arranged above the carbon cylinder (1), the arc-shaped carbon material separator (3) is connected with the stripping cylinder (2) through a pipeline, two layers of filter cloth (4) are arranged in an inner cavity at the lower part of the stripping cylinder (2), and a negative pressure device (5) is connected to the cylinder wall of the inner cavity of the stripping cylinder (2) close to the bottom;

the arc-shaped carbon material separator (3) is uniformly provided with a plurality of groups of separating mechanisms, each group of separating mechanisms comprises a first row of holes (6), a second row of holes (7) and a third row of holes (8), which are parallel and sequentially distributed, the first row of holes (6) comprise a plurality of vertically distributed first separating holes (9), the second row of holes (7) comprise a plurality of vertically distributed second separating holes (10), and the third row of holes (8) comprise a plurality of vertically distributed third separating holes (11).

2. The silicon carbide micropowder decarbonization apparatus according to claim 1, characterized in that: the arc length of the arc-shaped carbon material separator (3) is 35cm, the length of the separating mechanism is 2.2m, an included angle exists between the separating mechanism and the horizontal plane, and the angle is 5-8 degrees.

3. The silicon carbide micropowder decarbonization apparatus according to claim 1, characterized in that: the aperture of the filter cloth (4) is 3-8um, and the filter cloth (4) is spaced and parallel.

4. The silicon carbide micropowder decarbonization apparatus according to claim 1, characterized in that: the pressure range of the negative pressure device (5) is 0.075-0.105 MPa.

5. The silicon carbide micropowder decarbonization apparatus according to claim 1, characterized in that: the aperture of the first separation hole (9) is 2mm, the aperture of the second separation hole (10) is 3mm, and the aperture of the third separation hole (11) is 5 mm.

6. The silicon carbide micropowder decarbonization apparatus according to claim 1, characterized in that: the stripping cylinder (2) and the carbon cylinder (1) are both cylindrical.