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Preparation method of ceramic micro-bead grinding medium

A technology of ceramic microbeads and grinding media, applied in chemical instruments and methods, clay products, applications, etc., can solve the problems of easy cracking, low wear resistance and hardness, improve wear resistance and hardness, and reduce wear rate Effect

Inactive Publication Date: 2017-10-20
周荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention: Aiming at the problem that the traditional ceramic microbead grinding medium has low wear resistance and hardness, and is easy to crack during the grinding process, a preparation method of ceramic microbead grinding medium is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0022] In terms of parts by weight, select 30 parts of kaolin, 8 parts of silicon carbide, 15 parts of limestone, 10 parts of feldspathic sandstone, 5 parts of zirconia, 3 parts of muscovite, 3 parts of serpentine and 3 parts of gravel, after mixing Add it into a ball mill, and discharge after ball milling to obtain a mixed powder. The particle size of the mixed powder is 10 μm; in parts by weight, 120 parts of mixed powder, 60 parts of water, 5 parts of polyethylene glycol laurate, and 3 parts of polyethylene glycol laurate are selected. Vinylpyrrolidone and 4 parts of carboxymethyl cellulose were stirred and mixed and added into a ball mill, and discharged after ball milling for 5 hours to obtain a slurry; respectively adding 4% egg white of the slurry quality and 3% sucrose of the slurry quality to the slurry, mixed Stir with 3000r / min rotating speed for 5min, get the slurry with bubble after stirring; Put the slurry with bubble into the ball machine, prepare the green body ...

example 2

[0024] In terms of parts by weight, select 20 parts of kaolin, 5 parts of silicon carbide, 10 parts of limestone, 5 parts of feldspar sandstone, 3 parts of zirconia, 1 part of muscovite, 1 part of serpentine and 1 part of sandy gravel. After mixing Add in the ball mill, discharge after ball milling, get mixed powder, the particle diameter of mixed powder is 10 μm; By weight, choose 120 parts of mixed powder, 60 parts of water, 5 parts of sodium cocoyl isethionate, 3 parts 1 part of phosphoric acid ester and 4 parts of carboxymethyl cellulose, after stirring and mixing, add in the ball mill, discharge after ball milling for 5h to obtain a slurry; add 4% egg white of the slurry quality and 3% sucrose of the slurry quality respectively to the slurry, mix Then stir for 5 minutes at a speed of 3000r / min to obtain a slurry with bubbles; put the slurry with bubbles into a ball forming machine to prepare a ceramic microbead body, put the ceramic microbead body into a kiln, and Heat up...

example 3

[0026]In terms of parts by weight, select 25 parts of kaolin, 7 parts of silicon carbide, 12 parts of limestone, 7 parts of feldspar sandstone, 4 parts of zirconia, 2 parts of muscovite, 2 parts of serpentine and 2 parts of sandy gravel, after mixing Add in the ball mill, discharge after ball milling, get mixed powder, the particle diameter of mixed powder is 7 μm; Calculate by weight, choose 110 parts of mixed powder, 55 parts of water, 4 parts of sodium lauryl polyoxyethylene ether sulfate, 2 1 part of polyvinyl alcohol and 3 parts of carboxymethyl cellulose, after stirring and mixing, add in the ball mill, discharge after ball milling for 4h to obtain a slurry; add 3% egg white of the slurry quality and 2% sucrose of the slurry quality respectively to the slurry, mix Then stir for 4 minutes at a speed of 2500r / min to obtain a foamed slurry; put the foamed slurry into a ball machine to prepare a ceramic microbead body, put the ceramic microbead body into a kiln, and 2°C / min ...

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Abstract

The invention relates to a preparation method of a ceramic microbead grinding medium, belonging to the technical field of ceramic molding. The present invention firstly uses kaolin, silicon carbide, lime clay etc. as raw materials, and ball mills after mixing to obtain a mixed powder; then mixes the mixed powder and water to obtain a slurry; adds egg white and sucrose respectively to the slurry, After mixing, stir to obtain a foamy slurry; ballize the foamy slurry and fire to obtain hollow ceramic microspheres, and grind the hollow ceramic microspheres to obtain hollow microspheres with a rough surface; then use Fe, Mn, Mo, etc. as The raw materials are heated and melted to obtain a mixed metal liquid, the hollow microspheres with rough surfaces are soaked in the mixed metal liquid, taken out, naturally cooled to room temperature, dried and polished. The ceramic microbead grinding medium prepared by the invention has high hardness, low wear resistance rate and good wear resistance.

Description

technical field [0001] The invention relates to a preparation method of a ceramic microbead grinding medium, which belongs to the technical field of ceramic molding. Background technique [0002] Ceramic grinding media has the advantages of high mechanical strength, high hardness, high density, good high temperature performance, no pollution to materials, strong acid and alkali corrosion resistance, and excellent wear resistance, making it occupy a very important place in the field of grinding media. It is widely used in fine processing fields related to minerals, chemicals, paints, machinery and electronics. [0003] In my country's current market, ceramic beads mainly include alumina, zirconia, silicon carbide, silicon nitride and other varieties, among which ZrO 2 Ceramic balls and high alumina ceramic balls (75-95% Al 2 o 3 ) is the main supply and demand object in the market. But ZrO 2 and Al 2 o 3 The price is expensive, the manufacturing cost is high, and there...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B41/88C09K3/14
CPCC04B33/13C04B33/1305C04B35/63404C04B35/63488C04B35/6365C04B41/009C04B41/5155C04B41/88C04B2235/3244C04B2235/3418C04B2235/3445C04B2235/3472C04B2235/3826C04B2235/77C04B2235/96C09K3/1409
Inventor 陈合华薛焱璟陈春
Owner 周荣
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