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Iridescent Jianzhan firing process

A technology of craft and green body, which is applied in the field of iridescent Jianzhan firing technology, can solve the problems of formula selection, temperature, and atmosphere control, common glaze color of Jianzhan, and low yield rate, etc., so as to shorten the burning time, Gold wire-like boundaries are clear and the yield is high

Pending Publication Date: 2021-04-23
福建南平市建窑陶瓷研究所
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The currently reported methods for preparing Jianzhan have the following limitations: first, the selection of formula and the control of temperature and atmosphere are not clear, and the yield rate is low; secondly, the glazed color of Jianzhan is common and the innovation is low

Method used

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  • Iridescent Jianzhan firing process
  • Iridescent Jianzhan firing process

Examples

Experimental program
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Effect test

Embodiment 1

[0050] The firing process of iridescent Jianzhan includes the following steps:

[0051] (1) preparing green body and glaze slurry;

[0052] The green body is prepared by the following method: mixing 4 parts by weight of yellow mud, 2 parts by weight of kaolin, and 6 parts by weight of red clay, crushing, elutriating, passing through an 80-mesh sieve, filtering the mud, and then refining the mud. Old, after aging, mud is smelted to obtain green body raw materials, and the green body raw materials are drawn into shape, trimmed, biscuit, and cooled to obtain the green body;

[0053] The biscuit firing is that the temperature of the kiln is raised from normal temperature to 800° C. at a constant speed within 6 hours, then the furnace is stopped and cooled.

[0054]The glaze slurry is prepared by the following method: elutriating plant ash, stirring, passing through a 100-mesh sieve, standing for 12 hours to separate layers, discarding the water, and obtaining a precipitate as pla...

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Abstract

The invention discloses an iridescent Jianzhan firing process which comprises the following steps: preparing a green body and glaze slip; glazing by adopting internal oscillation and external immersion methods, not glazing the outer bottom of the green body, and airing after glazing; and putting the glazed and air-dried green body into an electric kiln for roasting, naturally cooling, and taking out of the kiln. The technological processes such as the formula, the temperature curve and the kiln atmosphere of the Jianzhan blank glaze are clear and easy to control, the stability is good, and the rate of finished products is high. According to the fired iridescent Jianzhan, the glaze surface is covered with the colorful oil drop stripes with rose gold as the main color, the oil drop stripes are full and dense, the gold thread boundary is clear, iridescent light is changed in the sun, and extremely high artistic value and appreciation value are achieved.

Description

technical field [0001] The invention relates to the technical field of porcelain, in particular to the firing process of iridescent Jianzhan. Background technique [0002] Black-glazed porcelain is a strange flower in the history of Chinese ceramics, well-known at home and abroad. Jianzhan is a typical representative of black-glazed porcelain. The colorful light phenomenon of Jianzhan is natural, mysterious and refined, and the markings of Jianzhan have obvious three-dimensional and layered feelings. What Jianzhan pursues is the artistic effect formed naturally. Its glaze pattern is not artificially painted, but formed under strict formula technology, special firing atmosphere and firing temperature curve. The three are indispensable. The artistic effect formed by Jianzhan has no sense of artificial carving at all, and it is completely a display of the essential beauty of its products. [0003] The currently reported methods for preparing Jianzhan have the following limita...

Claims

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Application Information

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IPC IPC(8): C04B33/04C04B33/13C04B33/34C03C8/00C04B41/86
CPCC04B33/04C04B33/13C04B33/34C03C8/00C04B41/86C04B41/5022C04B2235/6567C04B2235/661C04B41/4539C04B41/0072
Inventor 孙建兴
Owner 福建南平市建窑陶瓷研究所
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