Magnesium jade porcelain formula and one-time calcining manufacture method

A manufacturing method, the technology of magnesia jade porcelain, applied in the field of ceramics, can solve the problems of poor product regularity and thermal shock resistance, reduce product strength, and narrow firing control, so as to improve product regularity and poor thermal shock resistance, reduce Deglazing tendency, effect of high firing strength

Inactive Publication Date: 2012-09-12
FUJIAN GUANFU IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main raw material of existing magnesia jade porcelain is talc, which has a flake structure, which is prone to directional arrangement in the green body during the extrusion molding process, causing anisotropic repulsion of the green body, which will cause The uneven shrinkage in different directions will cause greater stress in the product, which will lead to cracking of the product, and the strength of the product will also be reduced due to the large internal stress and cause later cracking of the product
[0004] The existing manufacturing method of firing magnesia jade porcelain is complicated, and the method of firing twice is usually used to solve the problem of narrow firing control of this kind of porcelain, that is, plain firing at a high temperature of 1350°C, and then glaze firing at 1050°C-1150°C. The firing technology is not only complicated in process, but also a large number of talc materials will bring about the problem of poor product regularity and thermal shock resistance caused by firing temperature

Method used

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  • Magnesium jade porcelain formula and one-time calcining manufacture method

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specific Embodiment 1

[0034] refer to figure 1 As shown, first weigh 40% of feldspar, 12% of quartz, 4% of dragon rock soil, 7% of talc, 4% of calcium carbonate, 18% of barium carbonate, and 15% of frit according to the glaze formula in Table 1. Store after sieving;

[0035] refer to figure 2 As shown, the production of magnesia jade porcelain is carried out according to the following production steps:

[0036] (1), calcining the talc raw material at 1200°C;

[0037] (2), weigh calcined talc 80%, magnesia clay 10%, feldspar 3%, bentonite 3%, kaolin 4%, sodium carboxymethyl cellulose 0.2% and carry out mixed ball milling according to the blank formula in Table 2;

[0038] (3), the mud material after the above-mentioned mixed ball milling is discharged and stirred, and the particles in the mud material are controlled to be less than 30um in iron removal and sieved;

[0039] (4), the mud material after deironing and sieving is subjected to pressure filtration dehydration, stale, vacuum mud refini...

specific Embodiment 2

[0042] refer to figure 1 As shown, first weigh 40% of feldspar, 12% of quartz, 4% of dragon rock soil, 7% of talc, 4% of calcium carbonate, 18% of barium carbonate, and 15% of frit according to the glaze formula in Table 1. Store after sieving;

[0043] refer to image 3 As shown, the production of magnesia jade porcelain is carried out according to the following production steps:

[0044] (1), calcining the talc raw material at 1200°C;

[0045] (2), weigh calcined talc 80%, magnesia clay 10%, feldspar 3%, bentonite 3%, kaolin 4%, sodium carboxymethyl cellulose 0.2% and carry out mixed ball milling according to the blank formula in Table 2;

[0046] (3), the mud material after the above-mentioned mixed ball milling is discharged and stirred, and the particles in the mud material are controlled to be less than 30um in iron removal and sieved;

[0047] (4), the mud material after deironing and sieving is subjected to pressure filtration dehydration, stale, vacuum mud refinin...

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Abstract

The invention relates to a magnesium jade porcelain formula and one-time calcining manufacture method, the raw materials are weighted according to the formula of a blank material and glaze, the method comprise the following steps: calcining a talcum raw material at the temperature of 1150-1250 DEG C; mixing 75-85% of calcined talcum, 5-15% of magnesian clay, 1-5% of feldspar, 1-5% of bentonite, 2-6% of kaolin, 0.1-0.3% of carboxymethylcellulose sodium for ball milling; stirring the clay after mixing and ball milling, deironing and sieving and controlling the particles in the clay less than 30 mum; carrying out press filtration, on the clay after deironing and sieving, dehydrating, aging, vacuum mixing and roll forming; preparing the clay after roll forming into biscuit, glazing, entering into a kiln and calcining a base substrate. One-time calcining of magnesium jade porcelain can be realized, and the problems of poor product regularity and thermal shock resistance performance generated by calcining temperature by using a lot of talcum material can be overcome and enhanced.

Description

technical field [0001] The invention belongs to the field of ceramics, and in particular relates to a formula of magnesia jade porcelain and a manufacturing method thereof by one-time firing. Background technique [0002] Magnesia jade porcelain has the characteristics of high whiteness, good translucency, fine porcelain quality, and smooth glaze. It is a high-grade porcelain product in the field of Chinese and foreign ceramics, and it is currently recognized as an ideal porcelain for high-end hotels and restaurants. The main raw materials of magnesia jade porcelain are talc, feldspar, etc. Talc originally belonged to the category of industrial ceramics and was mainly used in the electric porcelain and electronic industries as insulating electronic devices. After the 1990s, it gradually expanded to the field of daily-use porcelain. [0003] The main raw material of existing magnesia jade porcelain is talc, which has a flake structure, which is prone to directional arrangemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/20C04B35/622C04B41/86
Inventor 商建华
Owner FUJIAN GUANFU IND CO LTD
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