Dry-wet combined production process for superhard material abrasive material

A dry-wet combination, production process technology, applied in other chemical processes, grain processing, chemical instruments and methods, etc., can solve the problems of lack of production of superhard material micropowder, waste of available abrasives, single production mode, etc., to improve revenue , the high degree of mechanization, the effect of improving the utilization rate

Inactive Publication Date: 2021-12-10
开封贝斯科超硬材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, at present, the pure abrasive processing link does not have the ability and conditions to produce superhard material micropowder, and the terminal micropowder processing inevitably causes waste of available abrasives. Moreover, the main step of traditional superhard material micropowder processing is to first Abrasive crushing, shaping, then impurity removal, siphon classification, single production mode, and long production cycle

Method used

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  • Dry-wet combined production process for superhard material abrasive material
  • Dry-wet combined production process for superhard material abrasive material
  • Dry-wet combined production process for superhard material abrasive material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Preparation of finished abrasives:

[0038] (1) Take diamond particles with a particle size of not less than 270 mesh as raw materials, and use a jet mill for crushing treatment with a crushing pressure of 0.4 MPa. After processing to 170 mesh, the sieve rate is not less than 95%, and a mixture is obtained.

[0039] (2) Put the mixture obtained in step (1) into a hydrochloric acid solution with a concentration of 30%, soak it while stirring, and filter it after 2 hours, take the filter residue, and wash the filter residue with water several times until the last cleaning. Wastewater pH ≥ 7.0, to obtain pickling materials.

[0040] (3) use figure 2 The overflow device shown separates the pickling material obtained in step (2) according to the particle size, such as figure 2 As shown, the bottom of the overflow tank is provided with a discharge port and a water inlet, and a valve is provided at the discharge port, and an overflow tank is provided on the top of the over...

Embodiment 2

[0051] Preparation of finished abrasives:

[0052] (1) Cubic boron nitride particles with a particle size of not less than 270 mesh are used as raw materials, and crushed by a jet mill with a crushing pressure of 0.5 MPa, and the sieve rate of 170 mesh is not lower than 95% to obtain a mixture.

[0053] (2) Put the mixture obtained in step (1) into a hydrochloric acid solution with a concentration of 36%, soak it while stirring, and filter it after 1 hour, take the filter residue, and wash the filter residue with water several times until the last wash. Wastewater pH ≥ 7.0, to obtain pickling material.

[0054] (3) use figure 2 The overflow device shown separates the pickling material obtained in step (2) according to the particle size, such as figure 2 As shown, the bottom of the overflow tank is provided with a discharge port and a water inlet, and a valve is provided at the discharge port, and an overflow tank is provided on the top of the overflow tank, and the overflo...

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Abstract

The invention discloses a dry-wet combined production process for a superhard material abrasive material, and relates to the technical field of superhard material production processes. The dry-wet combined production process mainly comprises the following steps: taking a coarse-grained abrasive material as a raw material, and carrying out crushing treatment to obtain a mixture; washing in an acid solution, taking filter residues, and washing with water to obtain an acid-washed material; separating the acid-washed material by using an overflow device to obtain asemi-finished abrasive material and a crushed fine material; controlling water in the semi-finished abrasive material, then drying and screening to obtain a coarse material head, a finished abrasive material and a screened fine material, and mixing the coarse material head into the coarse-grained abrasive material to be used as a raw material; controlling the water in the crushed fine material, drying, crushing the screened fine material, mixing the crushed fine material and the screened fine material, and processing into balls to obtain a shaped material; pre-grading, boiling acid, and washing to obtain an impurity-removed material; and finally, re-grading and drying to obtain the finished micro powder with different particle size ranges. According to the invention, the process is mainly used for producing superhard material abrasive materials, production of the superhard material abrasive material and the micro powder can be carried out at the same time, and the utilization rate of the raw materials is increased.

Description

technical field [0001] The invention relates to the technical field of superhard material production technology, in particular to a dry-wet combination production technology of superhard material abrasives. Background technique [0002] Abrasives are sharp and hard materials used to grind the surface of soft materials. There are two types of abrasives: natural abrasives and artificial abrasives. According to their hardness, there are two types of superhard abrasives and ordinary abrasives. The application range of abrasives is very wide. Wide range, from softer household detergents, gem abrasives to the hardest material diamond, abrasives are an essential material for the manufacture of every precision product, except for diamonds, the performance of natural abrasives is not very stable, but still Has its use value, diamond is currently the hardest abrasive. [0003] In the production process of superhard abrasives, the particle size distribution of finished abrasives is cl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/14B02C21/00B02C23/08
CPCC09K3/1409B02C21/00B02C23/08
Inventor 刘伟韩顺利
Owner 开封贝斯科超硬材料有限公司
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