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A kind of sand crystal glaze utilizing mica iron oxide and preparation process thereof

A technology of mica iron oxide and preparation process, applied in the field of ceramics, can solve the problems of unfavorable mass production, long firing time and high firing temperature, and achieve the effects of low glaze production cost, simple use method and abundant resources

Active Publication Date: 2015-10-14
GUANGDONG DOWSTONE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The firing temperature of traditional sand crystal glaze is generally 1350°C. The firing temperature is high, the firing time is long, the firing cost is high, and the energy consumption is high. It is not conducive to mass production. There are not many research reports on low temperature firing sand crystal glaze. See

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  • A kind of sand crystal glaze utilizing mica iron oxide and preparation process thereof
  • A kind of sand crystal glaze utilizing mica iron oxide and preparation process thereof

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preparation example Construction

[0026] The preparation technology of above-mentioned novel sand crystal glaze is characterized in that: comprises the following steps:

[0027] (1) Preparation of frit: Weigh the frit raw material according to the ratio, pour it into the frit furnace, burn it at 1400-1430°C for 4-6 hours, and then break it to obtain the frit;

[0028] (2) Preparation of sand crystal glaze: Weigh the raw materials of sand crystal base glaze according to the proportion, add gelling agent, binder and appropriate amount of water, ball mill into glaze slurry, add mica iron oxide, and mix well to prepare sand crystal glaze .

[0029] Preferably, the added amount of the binder is 0.3-0.8% of the sum of the weight of the mica iron oxide and the sand crystal-based glaze. The binder is preferably carboxymethyl cellulose CMC, of ​​course, those skilled in the art can also choose other binders according to needs.

[0030] Preferably, the added amount of the debonding agent is 0.1-0.3% of the weight sum ...

Embodiment 1

[0036] (1) Preparation of frit: Weigh frit raw materials according to the ratio: 20 parts of albite feldspar, 50 parts of quartz, 4 parts of lithium carbonate, 5 parts of sodium fluorosilicate, 5 parts of soda ash, 10 parts of borax pentahydrate, fluorite 5 parts, 15 parts of ferric oxide, mixed evenly, poured into the frit furnace, fired at 1430°C for 4 hours, crushed to obtain frit;

[0037] (2) Preparation of sand crystal glaze: Preparation of sand crystal glaze: Weigh sand crystal base glaze raw materials according to the ratio: 80 parts of frit, 20 parts of kaolin, 2 parts of feldspar, 20 parts of quartz, 7 parts of zirconium silicate, mix Evenly, add 0.3% of CMC and 0.3% of sodium tripolyphosphate, the sum of the weight of mica iron oxide and sand crystal base glaze, add water according to the weight ratio of sand crystal base glaze: water = 100:40, ball mill into glaze slurry, and control the slurry The fineness of the material is 325 mesh, and the sieve residue is less...

Embodiment 2

[0039] (1) Preparation of frit: Weigh frit raw materials according to the ratio: 10 parts of albite feldspar, 50 parts of quartz, 8 parts of lithium carbonate, 8 parts of sodium fluorosilicate, 8 parts of soda ash, 25 parts of borax pentahydrate, fluorite 2 parts, 30 parts of ferric oxide, mixed evenly, poured into the frit furnace, fired at 1430°C for 5 hours, crushed to obtain frit;

[0040] (2) Preparation of sand crystal glaze: Weigh sand crystal base glaze raw materials according to the ratio: 100 parts of frit, 5 parts of kaolin, 10 parts of feldspar, 5 parts of quartz, 10 parts of zirconium silicate, mix well, add mica iron oxide Add 0.5% CMC and 0.1% sodium tripolyphosphate to the weight of sand crystal base glaze, add water according to the weight ratio of sand crystal base glaze: water = 100:45, ball mill into glaze slurry, and control the fineness of the slurry to 325 mesh , the sieve residue is less than 3%, adjust the proportion of the slurry to 1.80-1.85, and fin...

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Abstract

The invention discloses a novel sand crystal glaze utilizing mica iron oxide and a preparation process of the sand crystal glaze. The sand crystal glaze contains the mica iron oxide and a sand crystal base glaze. The novel sand crystal glaze utilizing the mica iron oxide can be prepared with fewer raw materials, and the raw materials adopted are rich in resource and low in price; by breaking through the traditional complex firing process of the sand crystal glaze and not requiring a special firing system, the preparation method is high in operability, relatively low in glaze production cost, and advantageous for energy conservation and environmental protection. The novel sand crystal glaze is simple to use; the sand crystal glazes different in color and effect can be fired by adjusting the formula of the glaze material; and rich and diversified colors enable the sand crystal glaze to take the lead in the building and sanitary ceramic industry and to be very popular with customers.

Description

technical field [0001] The invention belongs to the technical field of ceramics, in particular to a novel sand crystal glaze utilizing mica iron oxide and a preparation process thereof. Background technique [0002] Sand crystal glaze is a highly decorative artistic glaze. It enjoys a wide reputation for its unique artistic style and is quite popular among consumers. Sand crystal glaze originated from ancient black glaze. The color of black glaze is mainly because it contains a large amount of iron oxide and the glaze layer is thick, and most mineral raw materials contain a large amount of iron. This is why black glaze was invented as early as the late Han Dynasty. reasons that have arisen. From the Eastern Han Dynasty to the Sui and Tang Dynasties, the porcelain making process continued to develop, and coal was used as a new energy source in the Song Dynasty. At this time, the branch ring refiring technology was invented, and various technological innovations were required...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/86
Inventor 余水林曾青蓉赵秀娟
Owner GUANGDONG DOWSTONE TECH
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