Wood firing technology for purple clay ware

A technology of firewood and utensils, which is applied in the field of purple sand utensils, can solve the problems of no reduction and purification of water bodies, poor taste of water bodies, and inconvenient handling of purple sand utensils, etc., to achieve rich and changeable shapes, improve artistic value, increase success rate and The effect of controllability

Active Publication Date: 2016-07-13
管汝瑜
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Problems solved by technology

[0006] So far, most of the purple sand vessels in Yixing contain a large amount of oxidized ingredients after being fired. The vessel itself has no function of reducing and purifying the water it contains, and the taste of the water it contains is poor. At the same time, the color of the fired purple sand is relatively unifor

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Embodiment Construction

[0027] Below the present invention will further describe embodiment:

[0028] Raw materials: pottery clay ground from natural purple sand ore

[0029] A firewood firing process for purple sand vessels, the steps of which are as follows:

[0030] (1) Throwing and drying: fully knead the purple sand pottery clay to remove the tiny air bubbles contained in the mud and increase the plasticity of the purple sand mud; when drawing the billet, place the purple sand pottery clay in the center of the billet drawing machine, then fix the center of the mud, and pull it out with both hands. Shaped green body; after the green body is formed, place the green body to dry for 1~3 days, dry and remove the green body until the moisture content is 16%~20%, if the drying is not enough, the green body is easily deformed during glazing, too much Drying makes the green body very easy to crack when glazed.

[0031] (2) Trimming and drying: After the green body is dried, use professional trimming to...

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Abstract

The invention relates to a technology of purple clay ware and particularly relates to a wood firing technology for purple clay ware, belonging to the technical field of purple clay ware firing. A finished product of purple clay ware is prepared by a series of steps such as throwing and drying, fettling and drying, glazing and drying and kiln loading and wood firing. In the invention, a reduction firing way is realized by adding wood into an electric kiln and replaces the way of wood firing in a gas-fired kiln in the prior art; more than 30% of reducing gas CO2 generated by wood burning in the kiln is adopted for strong reduction of iron oxide in the purple clay so that the purple clay ware has magnetism and ability of improving water quality; and meanwhile, purple clay ware with rich and bright colors can be formed without adding a coloring agent, and the artistic value of the purple clay ware is increased.

Description

technical field [0001] The invention relates to a process for purple sand vessels, in particular to a firewood firing process for purple sand vessels, and belongs to the technical field of purple sand vessel firing. Background technique [0002] The raw material for firing purple sand vessels is produced in Yixing, Jiangsu, my country, and is a very special kind of clay. Zisha mud is mainly composed of sandy soil, rich in various minerals, among which the content of iron oxide is quite high. Before the present invention was made, among the existing purple sand firing technologies, electric kilns, gas kilns, and liquefied gas kilns were mostly used. These kilns were used to fire purple sand vessels, and the firing temperature was generally 1120°C~1180°C. Atmosphere dominates. [0003] The electric kiln is a closed space that is heated by metal resistance wires. It is characterized by a fixed oxygen content (the content in the kiln space when the kiln is installed), slow tem...

Claims

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Application Information

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IPC IPC(8): C04B33/34C04B41/89C04B41/86C03C8/02
CPCC03C8/02C04B33/34C04B41/52C04B41/86C04B41/89C04B2235/652C04B2235/656C04B41/504C04B41/5022
Inventor 管汝瑜
Owner 管汝瑜
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