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Method for manufacturing glass ceramic plate used for architectural decoration by utilizing coal gangue

A technology for glass-ceramic and architectural decoration, which is applied in the field of preparing glass-ceramic plates for building decoration, can solve the problems of high unit price of oxide colorants, high proportion of oxide colorants, and high cost of chemical raw materials, and achieves easy quality control. , The effect of reducing the stockpile, strong stability and controllability

Active Publication Date: 2013-10-02
鄂尔多斯市紫荆创新研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this kind of glass formula are: the cost of chemical raw materials is higher; the unit price of oxide colorants is higher, the proportion of oxide colorants used in black and other dark glass-ceramics is higher, and the overall cost is higher; the melting temperature of glass is lower High, generally between 1500-1550°C
The comprehensive cost is expensive, which is not conducive to product promotion

Method used

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  • Method for manufacturing glass ceramic plate used for architectural decoration by utilizing coal gangue
  • Method for manufacturing glass ceramic plate used for architectural decoration by utilizing coal gangue
  • Method for manufacturing glass ceramic plate used for architectural decoration by utilizing coal gangue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The glass formula is made by weighing and mixing. The composition of the glass formula is calculated in parts by weight: 60 parts of coal gangue after pretreatment (the coal gangue is crushed to below 40 mesh and pre-homogenized), 18 parts of quartz sand, and 13 parts of calcite. 2.5 parts of sodium carbonate, 2 parts of zinc oxide, 4.3 parts of barium carbonate, 0.2 parts of dicobalt trioxide

[0024] Put the above-mentioned glass formulation in a mullite crucible, melt it in a box-type electric furnace at a temperature of 1470°C for 2.5 hours, and keep it warm for 4 hours. After the heat preservation is completed, pour the glass liquid into water to become glass pellets; after drying , Sieve the glass frit with particle size between 2-5mm.

[0025] 400 grams of glass granules were spread in a batch in a refractory mold with a size of 300×250 mm and crystallized in a box-type electric furnace, and the crystallization temperature was 1050° C. Keep warm at the crystalli...

Embodiment 2

[0027] The glass formula is made by weighing and mixing. The composition of the glass formula is calculated in parts by weight: 50 parts of coal gangue after pretreatment (the coal gangue is crushed to below 40 mesh and pre-homogenized), 25 parts of quartz sand, and 14 parts of calcite. 3 parts of sodium carbonate, 2.9 parts of zinc oxide, 5 parts of barium carbonate, 1 part of borax, and 0.1 part of nickelous oxide.

[0028] Melt the above-mentioned glass formula material in a glass tank kiln with a temperature of 1470°C for 2.5 hours, and keep it warm for 4 hours. After the heat preservation is completed, the glass liquid is directly poured into water to become glass granules; after drying and sieving, the particle size is 2- Frit between 5mm.

[0029] 400 grams of glass granules are tiled in a refractory mold with a size of 300×250 mm and crystallized in a box-type electric furnace, and the crystallization temperature is 1050° C. Keep warm at the crystallization temperatur...

Embodiment 3

[0031] The glass formula is made by weighing and mixing. The composition of the glass formula is calculated in parts by weight: 50 parts of coal gangue after pretreatment (the coal gangue is crushed to below 40 mesh and pre-homogenized), 24 parts of quartz sand, and 13 parts of calcite. 3 parts of sodium carbonate, 3 parts of zinc oxide, 5 parts of barium carbonate, 1.5 parts of borax, and 0.5 parts of copper oxide.

[0032] Melt the above-mentioned glass formula material in a glass tank kiln with a temperature of 1470°C for 2.5 hours, and keep it warm for 4 hours. After the heat preservation is completed, the glass liquid is directly poured into water to become glass granules; after drying and sieving, the particle size is 2- Frit between 5mm.

[0033] 400 grams of glass granules are tiled in a refractory mold with a size of 300×250 mm and crystallized in a box-type electric furnace, and the crystallization temperature is 1050° C. Keep warm at the crystallization temperature...

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Abstract

The invention discloses a method for manufacturing a glass ceramic plate used for architectural decoration by utilizing coal gangue and belongs to the technical field of preparation of the glass ceramic plate used for architectural decoration. The method for manufacturing the glass ceramic plate used for architectural decoration by utilizing the coal gangue comprises the following steps of: carrying out smashing, rapid burning for decarbonisation, grinding and material pre-homogenizing on the coal gangue, mixing the coal gangue with quartz sand, calcite, sodium carbonate, zinc oxide, barium carbonate, borax and a colouring agent to prepare glass mixture, putting the glass mixture into a glass furnace to be molten into glass metal, carrying out chilled water quenching to form glass granules, then packaging the glass granules into a fire-resistant mould, feeding into a crystallization furnace to be subjected to sintering and crystallization moulding treatment, and then grinding, polishing and cutting to obtain the glass ceramic plate finished product. Indexes of the glass ceramic plate product, such as compressive strength, breaking strength, hardness, acid and alkali resistance, glossiness and the like, are equivalent to or exceed the level of a top grade natural granite stone material; and the method for manufacturing the glass ceramic plate used for architectural decoration by utilizing the coal gangue is automatically controlled in the whole course, waste heat is fully utilized, stockpiling quantity of the coal gangue is reduced, environmental pollution is reduced, and product performance can also be improved while production cost is reduced, thus the method for manufacturing the glass ceramic plate used for architectural decoration by utilizing the coal gangue has good benefit.

Description

technical field [0001] The invention belongs to the technical field of preparation of glass-ceramic plates for architectural decoration, in particular to a method for manufacturing glass-ceramic plates for architectural decoration with coal gangue. 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. Decorative glass-ceramic plate is one of many varieties of glass-ceramic. It is a new type of high-grade building decoration material with high strength, wear resistance, corrosion resistance, weather resistance, non-absorbent, easy cleaning and maintenance, and no radioactive pollution. Excellent physical and chemical properties and uniform color tone, soft and crystal-clear luster, compact and flawless surface and other excellent appearance character...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C6/10C03C10/04
Inventor 陆广
Owner 鄂尔多斯市紫荆创新研究院
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