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Black ceramic plate prepared by natural minerals and extracted vanadium tailings and preparation method of black ceramic plate

A technology for extracting vanadium tailings and natural minerals, applied in the field of building decoration materials, can solve problems such as energy consumption, and achieve the effects of eliminating pollution, reducing costs and reducing demand

Inactive Publication Date: 2013-02-06
JIANGSU CN ECO MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be widely used in various high and low temperature household, architectural, artistic ceramic glazes and pigments for blanks, and is of great significance to the resource utilization of industrial waste slag. Its patent effectively solves the problems existing in the existing technology, but it only It is a kind of pigment preparation method that processes industrial waste and non-ferrous metal oxides into ceramic pigments. The final product is ceramic pigments, but it cannot directly use industrial wastes and natural minerals to develop color in the ceramic body. On the one hand, due to the need to prepare ceramic pigments through additional processes, this method will inevitably cause additional energy consumption

Method used

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  • Black ceramic plate prepared by natural minerals and extracted vanadium tailings and preparation method of black ceramic plate
  • Black ceramic plate prepared by natural minerals and extracted vanadium tailings and preparation method of black ceramic plate

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preparation example Construction

[0021] A method for preparing a black ceramic plate prepared from natural minerals and vanadium extraction tailings, comprising the following steps:

[0022] (1) Drying, dehydrating, crushing and sieving 0-10% vanadium extraction tailings, 0-10% chromite, and 0-10% manganese oxide ore to form a mixed powder;

[0023] (2) Mix the above powder with 58~65% clay, 9~20% feldspar, 5~10% sand, and 1~3% additives to make a moisture content of 14%~19%. The mud balls are formed by dry pressing or wet extrusion;

[0024] (3) Dry the above formed body in a production line drying kiln at a drying temperature of ≦150°C, and then sinter at a temperature of 1000~1200°C to prepare a black ceramic plate.

[0025] As a preference, the vanadium extraction tailings are treated so that the moisture content is ≦2% and the average particle size is D 50 Powder less than 147 μm.

[0026] As a preference, chromite and manganese oxide ore are treated with a moisture content of ≦1% and an average parti...

Embodiment 1

[0029] First, some chromite ore is crushed and sieved, and the chromite ore is processed into a powder with a moisture content of ≦1% and an average particle size of less than 43 μm. Weigh chromite powder, clay, feldspar, and sand according to the ratio of Example 1 in Table 1, and use a mixer and a mud mill to disperse it to make a mud mass with a water content of 14%-19% , and then made into a 300×120×18 mm clay plate with an extrusion molding machine. After molding, put it into the five-layer drying kiln of the production line for drying (drying cycle is 300 min, maximum temperature ≦ 150 ℃), the dry moisture of the product after leaving the drying kiln is <1%, and finally fired at the highest temperature of 1170 ℃ The sintering of the clay panels was done in a roller kiln with a cycle time of 255 min. Based on the same preparation method, the physical properties and costs of the sintered mineral-colored black clay panels and traditional building clay panels are shown in T...

Embodiment approach 2

[0031] First, take some vanadium extraction tailings for drying, dehydration, crushing and screening, and process the vanadium extraction tailings into a powder with a moisture content of ≦2% and an average particle size of less than 147 μm; take some chromite ore for crushing and sieving Sieve treatment, the chromite is processed into a powder with a moisture content of ≦1% and an average particle size of less than 43 μm. Vanadium extraction tailings, chromite powder, clay, feldspar, and sand are weighed according to the ratio of Example 2 in Table 1, and they are dispersed using a mixer and a mud mill to make a moisture content of 14%. -19% clay dough, and then use an extrusion molding machine to make a clay plate of 300×120×18 mm. After molding, it is put into the five-layer drying kiln of the production line for drying (the drying cycle is 300 min, and the maximum temperature is 150 ℃). The sintering of the clay panels was done in a roller kiln with a cycle time of 255 mi...

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Abstract

A black ceramic plate prepared by natural minerals and vanadium tailings comprises, by weight, 0-10% of the extracted vanadium tailings, 0-10% of chromite, 0-10% of manganese oxide ore, 58-65% of clay, 9-20% of feldspar, 5-10% of sand, 1-3% of additives and the balance inevitable trace impurities. A preparation method of the black ceramic plate includes the steps: drying for dewatering, crushing and sieving 0-10% of the extracted vanadium tailings, 0-10% of the chromite and 0-10% of the manganese oxide ore to form mixed powder; mixing and proportioning the mixed powder with 58-65% of the clay, 9-20% of the feldspar, 5-10% of the sand and 1-3% of the additives to prepare mud pellets with the water content of 14%-19%, forming by dry pressing or wet extrusion; and drying a formed green body in a drying kiln of a production line at the temperature of not more than 150 DEG C, and sintering at the temperature of 1000-1200 DEG C after drying so that the black ceramic plate is prepared.

Description

technical field [0001] The invention belongs to the technical field of building decoration materials, in particular to a black ceramic plate prepared by using natural mineral raw materials and vanadium extraction tailings and a preparation method thereof. Background technique [0002] The ceramic plate is made of natural clay as the main raw material, mixed with other ingredients such as quartz, pumice, feldspar and pigments, wet extrusion molding, low temperature drying and firing at a high temperature of 1000-1200 ℃, which is environmentally friendly. , no radiation, mild color, no light pollution and so on. Therefore, as an energy-saving and environmentally friendly curtain wall, ceramic panel curtain walls are becoming more and more popular in the market. Combined with the market demand and the requirements of the actual production process, it is necessary to use a variety of ceramic pigments in the production of ceramic plates to produce ceramic plate products of diffe...

Claims

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Application Information

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IPC IPC(8): C04B33/13
Inventor 单小兵徐锐锋
Owner JIANGSU CN ECO MATERIALS CO LTD
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