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Black micro-crystal glass plate manufactured from lead-zinc-copper tailings and manufacturing method thereof

A technology of glass-ceramic and manufacturing method, which is applied in the field of glass-ceramic manufacturing, can solve problems such as high melting temperature, high cost of raw materials, impure black color, etc., and achieve the goal of improving product quality, reducing raw material cost, and mitigating hazards Effect

Inactive Publication Date: 2010-05-05
君达环保科技(宝鸡)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a black glass-ceramic plate made of lead-zinc-copper tailings and its manufacturing method, to solve the problems of high raw material cost, high melting temperature and impure black color in the existing glass-ceramic manufacturing method question

Method used

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  • Black micro-crystal glass plate manufactured from lead-zinc-copper tailings and manufacturing method thereof
  • Black micro-crystal glass plate manufactured from lead-zinc-copper tailings and manufacturing method thereof
  • Black micro-crystal glass plate manufactured from lead-zinc-copper tailings and manufacturing method thereof

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Experimental program
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Effect test

Embodiment 1

[0049] First crush and screen the lead-zinc-copper tailings, quartz sand, calcite and nepheline; the fineness of the lead-zinc-copper tailings is above 40 mesh, the fineness of the calcite is above 80 mesh, and the fineness of the quartz sand is 60~ 80 mesh, the fineness of nepheline is 60-80 mesh, and the rest of the raw materials meet the national industry quality inspection standards. The cyanide in the lead-zinc-copper tailings is removed by ion exchange, and then weighed to make a mixture. The weight ratio of raw materials is: 70 parts of lead-zinc-copper tailings, 10 parts of quartz sand, 20 parts of calcite, and 5 parts of limestone, 4 parts of soda ash, 2 parts of zinc oxide, 4 parts of barium carbonate, 4 parts of borax, 2 parts of sodium nitrate, and 0.1 part of dicobalt trioxide. The purity of zinc oxide is 90%, the content of calcium oxide in calcite is 55.5%, the content of silicon oxide in quartz sand is 98%, the content of silicon in nepheline is 54%, and the co...

Embodiment 2

[0052] First crush and screen the lead-zinc-copper tailings, quartz sand, calcite and nepheline. The cyanide in the lead-zinc-copper tailings is removed by ion exchange, and then weighed to make a mixture. The weight ratio of raw materials is: 80 parts of lead-zinc-copper tailings, 8 parts of quartz sand, 10 parts of calcite, and 4 parts of limestone, 3 parts of soda ash, 1 part of zinc oxide, 2 parts of barium carbonate, 3 parts of borax, 2 parts of sodium nitrate, and 0.1 part of dicobalt trioxide. The color of the product is black.

[0053] The above-mentioned glass raw materials were melted in a glass tank furnace with a temperature of 1350° C. for 4 hours. After the melting was completed, the molten glass was directly poured into water to become glass pellets. 13 kg of glass granules were spread flat in a refractory mold with a size of 6000×9000 mm and crystallized in a shuttle kiln fueled by liquefied petroleum gas at a crystallization temperature of 1050°C. Thereby, a...

Embodiment 3

[0055]First crush and screen the lead-zinc-copper tailings, quartz sand, calcite and nepheline. The cyanide in the lead-zinc-copper tailings is removed by ion exchange, and then weighed to make a mixture. The weight ratio of raw materials is: 85 parts of lead-zinc-copper tailings, 5 parts of quartz sand, 8 parts of calcite, and 3 parts of limestone, 2 parts of soda ash, 1 part of zinc oxide, 2 parts of barium carbonate, 3 parts of borax, 2 parts of sodium nitrate, 0.1 part of dicobalt trioxide. The color of the product is black.

[0056] The above-mentioned glass raw materials were melted in a glass tank furnace with a temperature of 1350° C. for 4 hours, and after the melting was completed, the molten glass was directly flowed into water to become glass pellets. Spread 50 kg of glass granules flat in a refractory mold with a size of 6000×9000 mm and carry out crystallization in a shuttle kiln fueled by liquefied petroleum gas at a crystallization temperature of 1050°C. Ther...

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Abstract

The invention relates to a black micro-crystal glass plate manufactured from lead-zinc-copper tailings, which is manufactured from the following raw materials in parts by weight: 60-90 parts of lead-zinc-copper tailings, 5-10 parts of quartz sand, 8-20 parts of calcite, 3-7 parts of nepheline, 2-4 parts of soda, 1-6 parts of zinc oxide, 2-8 parts of barium carbonate, 2-5 parts of borax, 2-6 parts of sodium nitrate and 0.1-0.5 part of cobalt oxide. The manufacturing method of the black micro-crystal glass plate comprises the following steps: grinding the lead-zinc-copper tailings, the quartz sand, the calcite and the nepheline into powder; removing cyanides from the lead-zinc-copper tailings by using an ion exchange method; weighing in proportion and preparing into a mixture; melting at 1250 DEG C-1350 DEG C; pouring the mixture into water for water quenching to obtain glass particles; horizontally laying the glass particles into a fire-resistant mold for crystallization treatment; and grinding and cutting black micro-crystal glass samples. The invention can relieve the harm of the tailings to the environment, reduce the cost of raw materials, and improve the product quality.

Description

technical field [0001] The invention relates to a glass-ceramic and a method for manufacturing the glass-ceramic. Background technique [0002] Glass-ceramic is a polycrystalline material obtained by controlling the crystallization of glass. At present, glass-ceramics has formed a special category of materials, with various varieties and different properties, and has a very wide range of uses. Glass-ceramic plate is one of many varieties of glass-ceramics. It is a new type of high-grade building decoration material with high strength, wear resistance, corrosion resistance, weathering resistance, non-absorbent, easy cleaning and maintenance, and no radioactive pollution. Features and uniform color tone, soft and crystal-clear luster, dense and flawless surface and other excellent appearance characteristics. Because the properties of the glass-ceramic plate are superior to natural stone in all aspects, it has been widely used in high-end decoration projects such as interior ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/14C03B32/02
Inventor 谢继增张金青
Owner 君达环保科技(宝鸡)有限公司
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