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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 that the composition and activity of fused zirconia cannot reach that of chemical zirconium, the high production cost of zirconium iron red material, and the high production cost of chemical zirconium, so as to achieve Good color effect, high wrapping rate, high activity effect

Inactive Publication Date: 2015-07-08
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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Effect test

Embodiment 1

[0024] The preparation method of activated zirconium dioxide is to mix 100Kg of zircon sand and 5Kg of carbon black, then sintering and calcining to obtain desiliconized zirconium. The zirconium sand is 80 meshes and the zirconium content is 66%. Then sodium hydroxide is added. Sodium zirconate is obtained by alkali fusion calcination. The calcination temperature of alkali fusion calcination is 1250℃. After the sodium zirconium is hydrolyzed, it is neutralized with hydrochloric acid to form zirconium hydroxide and sodium chloride. Then sodium hydroxide is added to control the pH at 8-9. After washing and removing sodium chloride, the material is dried to obtain active zirconium dioxide.

[0025] The active zirconium dioxide prepared in this embodiment is used in the production of zirconium iron red material.

[0026] A zirconium-iron red material prepared from raw materials with the following weight ratios: 20wt% silica, 10wt% ferric oxide, 0.5wt% potassium fluorosilicate, 2.5wt% m...

Embodiment 2

[0028] The preparation method of active zirconium dioxide is to mix 100Kg of zircon sand and 7.5Kg of graphite, then sintering 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℃. After sodium zirconium is hydrolyzed, it is neutralized with hydrochloric acid to form zirconium hydroxide and sodium chloride. Then sodium hydroxide is added to control the pH value at 8-9. After washing and removing sodium chloride, the material is dried to obtain active zirconium dioxide.

[0029] The active zirconium dioxide prepared in this embodiment is used in the production of zirconium iron red material.

[0030] A zirconium-iron red material prepared from raw materials with the following weight ratios: 28wt% silicon dioxide, 15wt% ferric oxide, 1wt% sodium fluorosilicate, 2wt% magne...

Embodiment 3

[0032] The preparation method of active zirconium dioxide is to mix 100Kg of zircon sand and 10Kg of water-washed coal, then sintering and calcining to obtain desiliconized zirconium. The zirconium sand is 120 meshes and the zirconium content is 70%. Then sodium carbonate is added for alkali Sodium zirconate is obtained by melting and calcination. The calcination temperature of alkali fusion and calcination is 1300℃. After sodium zirconium is hydrolyzed, sulfuric acid is added to neutralize to form zirconium hydroxide and sodium sulfate. Then sodium hydroxide is added to control the pH value at 8-9, and finally washed and removed. Dry the material after sodium sulfate to obtain active zirconium dioxide.

[0033] The active zirconium dioxide prepared in this embodiment is used in the production of zirconium iron red material.

[0034] A zirconium-iron red material prepared from raw materials with the following weight ratios: 23wt% silica, 11.5wt% ferric oxide, 2wt% sodium fluorosili...

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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] According to different production processes, zirconia is divided into chemical zirconia and fused zirconia. Chemical zirconia is produced by chlor-alkali chemical and high-temperature calcination processes. Its products have high purity and good quality, but the production process is long and requires a large amount of acid and alkali reagents, so the production cost is high. Fused zirconia is produced by electric arc furnace smelting. Its process flow is shorter and the production cost is lower, but the purity of the product and some physical properties are slightly worse. [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 sodium silicate concentration in the solution is low, the recovery is not econ...

Claims

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Application Information

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