Ferrozirconium red material

A technology of red and iron zirconium, which is applied in the field of iron zirconium red material, can solve the problems of high production cost of chemical zirconium, the composition and activity of fused zirconia cannot reach that of chemical zirconium, and the high production cost of iron zirconium red material. Good color effect, high wrapping rate, high activity effect

Inactive Publication Date: 2014-01-01
SHENGQUAN FUJIAN GLAZE MAKING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the ceramic color industry rarely uses fused zirconia to produce zirconium iron red material, mainly because the synthesis principle of zirconium iron red material is different from other zirconium series pigments such as praseodymium yellow and vanadium blue, etc. zirconium iron red material belongs to semi Wrapped pigments, and fused zirconia does not meet the requirements of chemical zirconium in terms of composition and activity, so it cannot replace chemical zirconium to produce zirconium-iron red material, but the production cost of chemical zirconium is high, resulting in the production cost of zirconium-iron red material higher

Method used

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  • Ferrozirconium red material

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Embodiment 1

[0024] The preparation method of active zirconium dioxide, first mix 100Kg of zircon sand and 5Kg of carbon black, and then conduct electric melting and calcining to obtain desiliconized zirconium. The zircon sand is 80 mesh, and the zirconium content is 66%, and then sodium hydroxide is added Sodium zirconate is obtained by alkali fusion calcination. The calcination temperature of alkali fusion calcination is 1250°C. After sodium zirconate is hydrolyzed, hydrochloric acid is added to neutralize to form zirconium hydroxide and sodium chloride, and then sodium hydroxide is added to control the pH value at 8-9. After cleaning and removing sodium chloride, the material is dried to obtain active zirconia.

[0025] The activated zirconium dioxide obtained in this example is used for the production of zirconium iron red material.

[0026] A zirconium-iron red material, prepared from the following raw materials in weight ratio: 20wt% silicon dioxide, 10wt% ferric oxide, 0.5wt% potass...

Embodiment 2

[0028] The preparation method of active zirconia, first mix 100Kg of zircon sand and 7.5Kg of graphite, and then conduct electric melting and calcining to obtain desiliconized zirconium. The zircon sand is 100 mesh, the zirconium content is 68%, and then sodium hydroxide is added Sodium zirconate is obtained by alkali fusion calcination. The calcination temperature of alkali fusion calcination is 1275°C. After sodium zirconate is hydrolyzed, hydrochloric acid is added to neutralize to form zirconium hydroxide and sodium chloride, and then sodium hydroxide is added to control the pH value at 8-9. After cleaning and removing sodium chloride, the material is dried to obtain active zirconia.

[0029] The activated zirconium dioxide obtained in this example is used for the production of zirconium iron red material.

[0030] A zirconium-iron red material, prepared from the following raw materials in weight ratio: 28wt% of silicon dioxide, 15wt% of ferric oxide, 1wt% of sodium fluoro...

Embodiment 3

[0032] The preparation method of active zirconia, first mix 100Kg of zircon sand and 10Kg of water-washed coal, and then conduct electric melting and calcining to obtain desiliconized zirconium. The zircon sand is 120 mesh, and the zirconium content is 70%. Then add sodium carbonate for alkali Sodium zirconate is obtained by melting and calcining. The calcination temperature of alkali fusion calcination is 1300°C. After sodium zirconate is hydrolyzed, add sulfuric acid to neutralize to form zirconium hydroxide and sodium sulfate, then add sodium hydroxide to control the pH value at 8-9, and finally wash and remove After sodium sulfate, the material is dried to obtain active zirconia.

[0033] The activated zirconium dioxide obtained in this example is used for the production of zirconium iron red material.

[0034] A zirconium-iron red material, prepared from the following raw materials in weight ratio: 23wt% of silicon dioxide, 11.5wt% of ferric oxide, 2wt% of sodium fluorosi...

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Abstract

The present invention discloses a ferrozirconium red material, which is prepared from the following raw materials: silicon dioxide, an iron compound, a mineralizer, a rare earth fluoride, and zirconium dioxide. According to the present invention, the ferrozirconium red material prepared according to the formula has the following characteristics that: the wrapping rate is high, and ion is wrapped into the zirconium silicate crystal lattice in the ferric ion form so as to achieve stable color generation; and the active zirconium dioxide is adopted, and the rare earth fluoride is introduced, such that the prepared ferrozirconium red material has a good coloration effect.

Description

technical field [0001] The invention relates to a zirconium-iron red material, in particular to a zirconium-iron red material for ceramics. Background technique [0002] Zirconia is divided into chemical zirconia and fused zirconia according to different production processes. Chemical zirconia is produced by chlor-alkali chemical engineering and high-temperature calcination. The product has high purity and good quality, but the production process is long and requires a large amount of acid-base reagents. Therefore, the production cost is high. Fused zirconia is produced by electric arc furnace smelting. The process is shorter and the production cost is lower, but the purity and some physical properties of the product are slightly inferior. [0003] In the chemical method, most of the sodium and silicon in the alkali fusion method enter the aqueous solution and are discharged as waste water. Because the concentration of sodium silicate in the solution is low, the recovery is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/85
Inventor 王护来
Owner SHENGQUAN FUJIAN GLAZE MAKING CO LTD
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