Method for preparing color ceramic plate by utilizing pyrite tailing as main raw material

A technology for pyrite tailings and main raw materials, applied in the field of preparing colored ceramic plates, can solve problems such as unreported colored ceramic plates, and achieve the effects of good decoration effect, reduction of production cost and alleviation of environmental hazards

Inactive Publication Date: 2013-06-19
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no report at home and abroad on the technology of using pyrite tailings as the main raw material to prepare colored ceramic plates.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The pyrite tailings used are taken from the flotation tank of a small-scale heavy flotation joint election of an enterprise in southern Sichuan, and its chemical composition weight percentage is: SiO 2 38.41%, A1 2 o 3 32.40%, CaO 3.02%, TiO 2 4.01%, MgO 0.76%, Fe 2 o 3 1.91%, Na 2 O: 0.16%, K 2 O 0.35%, SO 3 0.92%, loss on ignition 14.30%, and the balance is other trace components. The technical steps of using the pyrite tailings to prepare colored ceramic plates are as follows: by weight percentage, the pyrite tailings are 50%, feldspar 34%, quartz sand 12.5%, methyl cellulose 1%, Fe 2 o 3 Powder 2.5% is used for batching, and the batched materials are wet ball milled, sieved, mud is stored, stirred, dehydrated by pressure filtration, mud is roughed, stale, mud is refined, extruded, and the green body is dried at a temperature of 1110±10°C Fired in an oxidizing atmosphere for 2 hours. The color of the ceramic panel is iron red, the water absorption ra...

Embodiment 2

[0029] The pyrite tailings used are taken from the flotation tank of a small-scale heavy flotation joint election of an enterprise in southern Sichuan, and its chemical composition weight percentage is: SiO 2 38.41%, A1 2 o 3 32.445%, CaO 3.02%, TiO 2 4.01%, MgO 0.76%, Fe 2 o 3 1.91%, Na 2 O: 0.16%, K 2 O 0.35%, SO 3 0.92%, loss on ignition 14.30%, and the balance is other trace components. The technical steps of using the pyrite tailings to prepare colored ceramic plates are as follows: by weight percentage, 50% of pyrite tailings, 35% of feldspar, 13% of quartz sand, 1% of methyl cellulose, Fe 2 o 3 Powder 1% is used for batching, and the batched materials are wet ball milled, sieved, mud is stored, stirred, dehydrated by pressure filtration, mud is roughed, stale, mud is refined, extruded, and the green body is dried at a temperature of 1110±10°C Fired in an oxidizing atmosphere for 2 hours. The color of the ceramic panel is ginger yellow, the water absorpt...

Embodiment 3

[0031] The pyrite tailings used are taken from the flotation tank of a small-scale heavy flotation joint election of an enterprise in southern Sichuan, and its chemical composition is SiO 2 38.41%, A1 2 o 3 32.445%, CaO 3.02%, TiO 2 4.01%, MgO 0.76%, Fe 2 o 3 1.91%, Na 2 O: 0.16%, K 2 O 0.35%, SO 3 0.92%, loss on ignition 14.30%, and the balance is other trace components. The process steps of using the pyrite tailings to prepare colored ceramic plates are as follows: by weight percentage, 55% of pyrite tailings, 32% of feldspar, 12% of quartz sand, and 1% of methyl cellulose are used for batching, and the ingredients are wet ball milled , sieving, mud storage, stirring, press filter dehydration, mud roughing, aging, mud refining, extrusion molding, green body drying, firing in an oxidizing atmosphere at a temperature of 1110±10°C for 2 hours. The color of the ceramic panel is light yellow, the water absorption rate is 3.16%, and the performance meets the requireme...

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Abstract

The invention relates to a method for preparing a color ceramic plate by utilizing pyrite tailing as a main raw material. According to the method, the color ceramic plate comprises the following raw materials by weight percent: 40% to 75% of the pyrite tailing, 10% to 40% of feldspar, 10% to 20% of quartz, 0.5% to 2% of plasticizer and 0% to 5% of Fe2O3 powder. The method comprises the following steps: carrying out wet ball-milling, sieving, filter pressing, crude refining, staling, refining, extrusion forming and drying on the batch mixture; and then firing the batch mixture at the temperature of 1100 to 1180 DEG C and cooling, thereby obtaining the color ceramic plate in red, yellow or gray color. The prepared color ceramic plate is good in performance, safe, fireproof, environment-friendly, good in self cleanness, bright in color and moderate in color luster, thereby being suitable for the decoration of the external wall of a building.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a method for preparing colored ceramic plates by using pyrite tailings as the main raw material. Background technique [0002] Colored pottery plates are made of natural clay as the main raw material, adding mineral materials such as quartz and feldspar and a small amount of coloring agent, through batching, grinding, mud making, extrusion molding, low-temperature drying and high-temperature sintering. It has the characteristics of green environmental protection, no radiation, mild color, beautiful decoration, remarkable easy-cleaning function, good compatibility and durability, etc. It is a new type of curtain wall decoration material. [0003] Pyrite tailings are waste residues discharged after pyrite ore beneficiation. For a long time, pyrite tailings have been discharged on the ground or in ravines as waste residues, seriously polluting the environment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/138C04B33/22
CPCY02P40/60
Inventor 叶巧明聂国亮林金辉王燕胡江
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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