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Method for preparing frits for ceramic glazes from high temperature liquid industrial slag

A ceramic glaze and high temperature technology is applied in the field of producing frit for ceramic glaze, can solve the problem of not involving the use of high temperature liquid industrial slag high temperature energy, etc., and achieves the effects of suitable expansion coefficient, wide firing temperature and high strength

Inactive Publication Date: 2017-01-04
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These studies on cold slag for producing frits for ceramic glazes utilize the mineral resources of slag, but do not involve the use of high-temperature energy of high-temperature liquid industrial slag

Method used

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  • Method for preparing frits for ceramic glazes from high temperature liquid industrial slag

Examples

Experimental program
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Effect test

Embodiment 1

[0038]According to parts by weight, 5 parts of fly ash, 45 parts of quartz sand, 20 parts of sodium carbonate, 5 parts of sodium nitrate and 1 part of antimony trioxide are uniformly mixed in advance to prepare a solid conditioning material for use.

[0039] Discharge the high-temperature liquid Corex direct smelting reduction ironmaking slag of 80 parts by weight into the glass melting furnace, add the above-mentioned prepared tempering material at the same time, and heat at 1450 °C for 6 hours in the melting furnace to melt the tempering material and Mix evenly with slag to obtain a clarified and homogenized melt.

[0040] The melt is discharged from the melting kiln, and the melt is flushed with cold water at the same time, so that the melt is quenched into frit particles, and the frit particles are dried, broken, and sieved to obtain frit products for ceramic transparent glazes. The coefficient of thermal expansion (0~600℃) is (6.4~6.6)xl0 -6 / °C, the Mohs hardness of the...

Embodiment 2

[0043] According to the parts by weight in advance, 5 parts of zircon sand, 20 parts of quartz sand, 20 parts of feldspar, 8 parts of magnesia and 10 parts of borax are uniformly mixed to prepare a solid conditioning material for use.

[0044] Put 50 parts by weight of high-temperature liquid yellow phosphorus slag into the electric arc furnace, add the above-mentioned prepared tempering material at the same time, heat in the electric arc furnace for 1 hour, and melt the tempering material.

[0045] Pour the melt into the tank kiln and heat it at 1430°C for 4 hours in the tank kiln to obtain a clarified and homogenized melt.

[0046] The melt is discharged from the tank kiln, and the melt is flushed with cold water to quench the melt into frit particles, and the frit particles are dried, broken and sieved to obtain frit products for ceramic microcrystalline glazes. Block thermal expansion coefficient (0~600℃) is (6.5~6.7)xl0 -6 / °C, the Mohs hardness on the surface of the gla...

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Abstract

The invention relates to a method for preparing frits for ceramic glazes from high temperature liquid industrial slag. The high temperature liquid industrial slag is adopted as a raw material, and high temperature heat energy and chemical components of the slag are used for directly preparing frits for ceramic glazes. The method comprises the following steps that 1, 20-90 parts, by weight, of the high temperature liquid industrial slag is added into a high temperature furnace, 10-95 parts, by weight, of a hardening and tempering material is added, heating is performed under the temperature of 1300-1600 DEG C, and the hardening and tempering material is molten and sufficiently mixed with the slag to form a clear and homogenous melt; 2, the melt is discharged from the high temperature furnace and is subjected to water quenching to form frit particles, and the frit particles are dried, smashed and screened to obtain the frits for ceramic glazes. The production technology is simple, the frit quality is excellent, and raw materials and energy needed by production of frits for ceramic glazes are reduced.

Description

[0001] Technical field: [0002] The invention relates to a method for producing frit for ceramic glaze by using high-temperature liquid industrial slag. Background technique [0003] The residue after beneficiation or smelting of ore is called slag. Pyrometallurgical production, such as iron and steel smelting, copper smelting, and aluminum smelting, produces a large amount of high-temperature liquid industrial slag. In addition, some non-metallic industrial raw materials, such as yellow phosphorus, are also produced from natural minerals through high-temperature processes, and the production process will also produce a large amount of high-temperature liquid industrial slag. The composition of high-temperature liquid industrial slag is generally silicate, and the chemical composition varies with the production process, ore type and smelting additives. The main components of some representative slags are shown in Table 1. [0004] Table 1 [0005] [0006] Water quench...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/00B09B3/00
Inventor 谢梦芹肖永力刘茵李永谦
Owner BAOSHAN IRON & STEEL CO LTD
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