A kind of energy-saving fire-free transparent glaze and preparation method thereof

A transparent glaze and glaze technology, applied in the field of formula glaze, can solve the problems of not meeting product quality requirements, consuming mechanical energy, particle size control, etc., and achieve the effects of increasing product technical content, saving fuel costs, and saving raw material costs

Active Publication Date: 2020-01-03
河北煜珠陶瓷制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to change this situation, there are two major methods currently being adopted: 1) Reduce the firing temperature of enamel. The common methods are to adjust the enamel formula, increase the types of fluxes, select new low-temperature fast-fired raw materials, and use nano-powder as raw materials. , these methods reduce the firing temperature to a certain extent, but they cannot fundamentally solve the problem; 2) The development of non-fired glaze, this process is currently in the laboratory research stage, and two major problems have been encountered during the research process: ① The selection of unfired glaze raw materials has so far failed to select raw materials suitable for industrial production; ② particle size control, if the particle size is too large, it cannot meet the product quality requirements, and the particle size is too small, consuming a lot of mechanical energy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An energy-saving non-fired transparent glaze, which comprises the following components in terms of parts by weight: 100 parts of glass powder, 65 parts of chemical raw materials, and 55 parts of water; after mixing, it is ground into a 320-mesh powder by a ball mill.

[0029] Among them, the glass powder is glass powder prepared by crushing and grinding after recycling waste glass. The waste glass is a combination of ordinary flat glass and high borosilicate glass. The weight ratio of ordinary flat glass and high borosilicate glass is 2:1 .

[0030] Wherein, the chemical raw material comprises the following components according to the ratio of parts by weight: NaOH: 15 parts, Al(OH) 3 : 12 copies, K 2 CO 3 : 13 parts, MgO: 6 parts, TiO 2 :0.5 parts, CaCO 3 :15 parts, Ba(OH) 2 : 3.5 servings.

Embodiment 2

[0032] The preparation method of the energy-saving non-fired transparent glaze comprises the following steps:

[0033] A. Utilize recycled waste glass to purify and pulverize and grind to prepare glass powder. The waste glass adopts the composition of ordinary flat glass and high borosilicate glass, wherein the weight and number ratio of ordinary flat glass and high borosilicate glass is 2:1, spare;

[0034] B, take chemical raw material in proportion, described chemical raw material comprises the following components by weight and number ratio: NaOH: 15 parts, Al(OH) 3 : 12 copies, K 2 CO 3 : 13 parts, MgO: 6 parts, TiO 2 :0.5 parts, CaCO 3 :15 parts, Ba(OH) 2 : 3.5 parts; standby;

[0035] C. Fully mix 100 parts by weight of glass powder obtained in step A with 65 parts by weight of chemical raw materials obtained in step B and add 55 parts by weight of water, grind, sieve, and control the product particle size to be 320 mesh, to obtain final product.

Embodiment 3

[0037] In the technical scheme of the present invention, the electric furnace trial firing and further ball milling glaze trial firing show that the selection of materials and the granularity of the glaze, these two key technical indicators, have a great impact on the melting state of the glaze and the relationship between the glaze and the green body. The degree of combination has decisive significance, especially the selection and proportion of materials, which will also have an important impact on the technical indicators such as transparency, pinholes, glaze jumping and glazed orange peel of the fired glaze. Therefore, the material composition of the present invention Ratio and particle size selection are the core technical solutions of the present invention and the important basis for the beneficial effects of the present invention. The relevant comparative experiments and data are shown below.

[0038] Table 1. Properties of glazes with different formulations

[0039] ...

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PUM

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Abstract

The invention discloses an energy-saving baking-free transparent glaze. The glaze contains the following ingredients in parts by weight: 100-120 parts of glass powder and 50-80 parts of chemical raw materials, wherein the glass powder and the chemical raw materials are uniformly mixed and then are subjected to water-added grinding so as to obtain powder with the grain size of 200 to 400 meshes; the chemical raw materials contain the following ingredients in parts by weight: 9-18 parts of NaOH, 11-16 parts of Al(OH)3, 12-16 parts of K2CO3, 5-6 parts of MgO, 0.5-1 part of TiO2, 9-18 parts of CaCO3 and 3-5 parts of Ba(OH)2. According to the baking-free transparent glaze disclosed by the invention, the energy consumption and resource consumption are lowered greatly compared with those of the original processes, and transparency, pinholes, skipping glazes and glazed-surface tangerine peels, which are made through baking the product, all meet national product quality requirements.

Description

technical field [0001] The invention relates to the technical field of formula glaze, in particular to an energy-saving transparent glaze product that can be used without firing and a preparation method thereof. Background technique [0002] Enamel is a thin layer of glassy substance that covers ceramic products. At present, the glaze on the market is frit glaze. The traditional frit glaze preparation process is to first fire the frit, and then mix the resulting frit with plastic clay for fine grinding, that is: raw material crushing-mixing-heating-melting-quenching-addition Material - ball mill - glaze. The production process has many steps, and a large amount of heat energy is consumed in the process of preparing frit. The heat energy in the north is mainly generated by burning coal, which not only requires a large amount of coal consumption, but also the dust and carbon dioxide produced by burning coal will seriously pollute the environment. [0003] The main reasons fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/20
CPCC03C8/20
Inventor 王娟贾鹏飞李中秋次立杰张星辰张伟亮
Owner 河北煜珠陶瓷制品有限公司
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