CN111318352A - Method for producing silicon carbide high-bulk density granularity sand - Google Patents
Method for producing silicon carbide high-bulk density granularity sand Download PDFInfo
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- CN111318352A CN111318352A CN202010138014.5A CN202010138014A CN111318352A CN 111318352 A CN111318352 A CN 111318352A CN 202010138014 A CN202010138014 A CN 202010138014A CN 111318352 A CN111318352 A CN 111318352A
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- silicon carbide
- materials
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- particle size
- carbide material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/956—Silicon carbide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The application discloses a method for producing silicon carbide high-bulk density granularity sand, which comprises the steps of putting silicon carbide materials with the grain size of less than 300 millimeters into a storage bin, and crushing and grinding the materials in two billiard ball mills through the storage bin to ensure that the grain size range is between 0 and 1 millimeter; conveying the crushed and ground material to a high-pressure airflow pulverizer for secondary crushing to ensure that the particle size of the material is between 0 and 0.2 millimeter; conveying the crushed materials to a blowing machine and a magnetic separator in sequence by using a lifter for blowing and magnetic separation; sending the magnetically-separated materials to a material box for material segmentation; and screening the segmented materials by using a fine screening machine to obtain the high-stacking density granularity sand. According to the method, the silicon carbide material can be crushed and ground for the first time by using the ball mill and then crushed for the second time by using the high-pressure airflow pulverizer, the crushed particle size is smaller, the crushed silicon carbide material can be blown and cleaned by using the blowing machine, impurities in the silicon carbide are removed, the particle size and the particle size are smaller, and the product quality is higher.
Description
Technical Field
The application relates to the field of slaughter, in particular to a method for producing silicon carbide high-bulk density granularity sand.
Background
The silicon carbide granularity sand generally is divided into green and black, is relatively ideal dull polish, is widely used in abrasive material and grinding apparatus trade, but present silicon carbide granularity sand is the breaker mostly and carries out crushing treatment to, also do not carry out impurity treatment, cleanliness and particle diameter are all great, and then can influence the quality of final product.
Therefore, the problem of how to improve the cleanliness of the silicon carbide grit sand and reduce the particle size of the silicon carbide grit sand, thereby improving the product quality is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The application provides a method for producing silicon carbide high-bulk density grain size sand, and solves the problems that in the prior art, the cleanliness of the silicon carbide grain size sand is improved, the grain size of the silicon carbide grain size sand is reduced, and the product quality is improved.
In order to solve the technical problem, the application provides a method for producing silicon carbide high-bulk density granularity sand, which comprises the following steps:
putting the silicon carbide material with the particle size of less than 300 mm into a bin, and crushing and grinding the silicon carbide material in two billiard ball mills through the bin to ensure that the particle size ranges from 0 mm to 1 mm;
conveying the crushed and ground silicon carbide material to a high-pressure airflow pulverizer for secondary crushing to ensure that the particle size of the silicon carbide material is between 0 and 0.2 mm;
conveying the silicon carbide materials crushed again to a blowing machine and a magnetic separator in sequence by using a lifter to carry out blowing and magnetic separation so as to remove impurities in the silicon carbide materials;
sending the silicon carbide material subjected to magnetic separation to a material box, and segmenting the silicon carbide material;
and screening the segmented silicon carbide material by using a fine screening machine to obtain the high-bulk density granularity sand.
Preferably, after the magnetically separated silicon carbide material is sent to a bin, the silicon carbide material is divided into four sections.
Compared with the prior art, the method for producing the silicon carbide high-bulk density granularity sand comprises the steps of putting silicon carbide materials with the grain size of less than 300 millimeters into a storage bin, and enabling the silicon carbide materials to enter two billiard ball mills through the storage bin to be crushed and ground, so that the grain size range is 0-1 millimeter; conveying the crushed and ground materials into a high-pressure airflow powder divider for secondary crushing, wherein the materials are subjected to air pressure action in a crushing cavity, so that the materials are not subjected to mutual friction grinding through other media, burrs and burrs of the materials are removed under the mutual friction action of the materials, the shapes of the materials are gradually ground into round groups, the particle size of the materials is 0-0.2 mm, the unit mass of the materials is increased, and the stacking density is inevitably improved; conveying the crushed materials to a blowing machine and a magnetic separator in sequence by using a lifter for blowing and magnetic separation; sending the magnetically-separated materials to a material box for material segmentation; and screening the segmented materials by using a fine screening machine to obtain the high-stacking density granularity sand. According to the method, the silicon carbide material can be crushed and ground for the first time by using the ball mill, then secondary crushing, rubbing and shaping are carried out by using the high-pressure airflow mill, the crushed silicon carbide material is blown by using the blowing machine, impurities in the silicon carbide are removed, the particle size and the grain size are small, the shape is round and smooth, the stacking density is improved, the product cleanliness is improved by 20% compared with that of the traditional process, and the using effect of a client is ideal.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
Fig. 1 is a flow chart of a method for producing silicon carbide high-bulk-density-granularity sand according to an embodiment of the invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
The core of the application is to provide a method for producing silicon carbide high-bulk density grain size sand, which can solve the problem that how to improve the cleanliness of the silicon carbide grain size sand and reduce the grain size of the silicon carbide grain size sand in the prior art, and further improve the product quality.
Fig. 1 is a flow chart of a method for producing silicon carbide high-bulk-density-particle-size sand according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
s101: and putting the silicon carbide material with the particle size of less than 300 mm into a bin, and crushing and grinding the silicon carbide material in two billiard ball mills through the bin to ensure that the particle size ranges from 0 mm to 1 mm.
S102: and conveying the crushed and ground silicon carbide material to a high-pressure airflow pulverizer for secondary crushing to ensure that the particle size of the silicon carbide material is between 0 and 0.2 millimeter.
Specifically, under the action of high-pressure airflow, silicon carbide materials are mutually crushed, so that the best shaping effect is achieved.
S103: and conveying the silicon carbide materials crushed again to a blowing machine and a magnetic separator in sequence by using a lifter to carry out blowing and magnetic separation so as to remove impurities in the silicon carbide materials.
The step can remove impurities and bright iron in the silicon carbide, thereby improving the cleanliness of the product.
S104: and (4) conveying the silicon carbide material subjected to magnetic separation to a material box, and segmenting the silicon carbide material.
Preferably, the silicon carbide feedstock may be divided into four sections.
S105: and screening the segmented silicon carbide material by using a fine screening machine to obtain the high-bulk density granularity sand.
After the high-bulk grit sand is obtained, the grit sand can be stored in a finished product warehouse.
The method for producing the silicon carbide high-stacking density granularity sand comprises the steps of putting a silicon carbide material with the grain size of less than 300 millimeters into a storage bin, and enabling the silicon carbide material to enter two billiard ball mills through the storage bin to be crushed and ground, wherein the grain size range is 0-1 millimeter; conveying the crushed and ground materials into a high-pressure airflow powder divider for secondary crushing, wherein the materials are subjected to air pressure action in a crushing cavity, so that the materials are not subjected to mutual friction grinding through other media, burrs and burrs of the materials are removed under the mutual friction action of the materials, the shapes of the materials are gradually ground into round groups, the particle size of the materials is 0-0.2 mm, the unit mass of the materials is increased, and the stacking density is inevitably improved; conveying the crushed materials to a blowing machine and a magnetic separator in sequence by using a lifter for blowing and magnetic separation; sending the magnetically-separated materials to a material box for material segmentation; and screening the segmented materials by using a fine screening machine to obtain the high-stacking density granularity sand. According to the method, the silicon carbide material can be crushed and ground for the first time by using the ball mill, then secondary crushing, rubbing and shaping are carried out by using the high-pressure airflow mill, the crushed silicon carbide material is blown by using the blowing machine, impurities in the silicon carbide are removed, the particle size and the grain size are small, the shape is round and smooth, the stacking density is improved, the product cleanliness is improved by 20% compared with that of the traditional process, and the using effect of a client is ideal.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (2)
1. A method for producing silicon carbide high-bulk density grain size sand is characterized by comprising the following steps:
putting the silicon carbide material with the particle size of less than 300 mm into a bin, and crushing and grinding the silicon carbide material in two billiard ball mills through the bin to ensure that the particle size ranges from 0 mm to 1 mm;
conveying the crushed and ground silicon carbide material to a high-pressure airflow pulverizer for secondary crushing to ensure that the particle size of the silicon carbide material is between 0 and 0.2 mm;
conveying the silicon carbide materials crushed again to a blowing machine and a magnetic separator in sequence by using a lifter to carry out blowing and magnetic separation so as to remove impurities in the silicon carbide materials;
sending the silicon carbide material subjected to magnetic separation to a material box, and segmenting the silicon carbide material;
and screening the segmented silicon carbide material by using a fine screening machine to obtain the high-bulk density granularity sand.
2. The method for producing the silicon carbide high-bulk grain sand according to claim 1, wherein the silicon carbide material is divided into four sections after the magnetically separated silicon carbide material is sent to a bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138014.5A CN111318352A (en) | 2020-03-03 | 2020-03-03 | Method for producing silicon carbide high-bulk density granularity sand |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010138014.5A CN111318352A (en) | 2020-03-03 | 2020-03-03 | Method for producing silicon carbide high-bulk density granularity sand |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746330U (en) * | 2010-08-26 | 2011-02-16 | 邹甫骏 | Environment-friendly dry continuous-production line for preparing silicon-carbide granular material |
| CN102249236A (en) * | 2011-06-02 | 2011-11-23 | 江苏大阳微粉科技有限公司 | Production process for silicon carbide micropowder |
| CN103553625A (en) * | 2013-11-16 | 2014-02-05 | 连云港龙塔研磨材料有限公司 | Method for preparing silicon carbide micro powder for fine silicon carbide ceramics |
| CN109107729A (en) * | 2018-08-08 | 2019-01-01 | 宁夏和兴碳基材料有限公司 | A kind of silicon carbide micro-powder preparation process |
-
2020
- 2020-03-03 CN CN202010138014.5A patent/CN111318352A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746330U (en) * | 2010-08-26 | 2011-02-16 | 邹甫骏 | Environment-friendly dry continuous-production line for preparing silicon-carbide granular material |
| CN102249236A (en) * | 2011-06-02 | 2011-11-23 | 江苏大阳微粉科技有限公司 | Production process for silicon carbide micropowder |
| CN103553625A (en) * | 2013-11-16 | 2014-02-05 | 连云港龙塔研磨材料有限公司 | Method for preparing silicon carbide micro powder for fine silicon carbide ceramics |
| CN109107729A (en) * | 2018-08-08 | 2019-01-01 | 宁夏和兴碳基材料有限公司 | A kind of silicon carbide micro-powder preparation process |
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Application publication date: 20200623 |
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| RJ01 | Rejection of invention patent application after publication |