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Black pottery and its mfg. tech.

A production process and technology of black pottery, applied in the field of ceramics and its production process, can solve the problems of gray spots, purple spots, macular spots, easy cracking and breaking, and small shrinkage of Jin'an pottery clay, so as to achieve hard texture and convenient temperature control , Strong plasticity effect

Inactive Publication Date: 2005-11-09
汤建华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The black pottery made according to the above materials and techniques has the following disadvantages: 1. The surface of the pottery body is blackened by asphalt compounds, while the pottery body is still off-white, with uneven color (black), gray spots, purple spots, and yellow spots often appear. Especially the bright spots, if you use your nails to scratch the surface of black pottery, it will obviously leave a clear scar, and the asphalt itself contains highly radioactive elements radium Ra and polonium Po, and the pottery body after absorbing the asphalt compound There are certain hazards to human health; 2. Jin'an pottery clay has the disadvantages of low shrinkage, high viscosity, and low water absorption. It is very difficult to use Jin'an pottery clay as a raw material for mold grouting, and industrial production cannot be carried out; 3. Wood and coal are used for sintering, the sintering temperature is not high, and the hardness of the fired ceramics is not enough; 4. The water absorption rate is ≥15%, and it is easy to crack and break when it meets water.

Method used

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  • Black pottery and its mfg. tech.
  • Black pottery and its mfg. tech.

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The black pottery is fired from the following raw materials in weight percentage: 65% of Jin'an pottery clay, 10% of Hushan pottery clay, and 25% of bamboo charcoal powder.

[0019] A black pottery production process includes the steps of material selection, water washing, clay refining, molding, drying, firing and the like.

[0020] (1) Material selection: Jin'an pottery clay 65%, Hushan pottery clay 10%, bamboo charcoal powder 25%

[0021] Jin'an pottery clay has strong plasticity and toughness, and can be shaped into various shapes. After drying, it can still maintain its original shape and hardness. It can be bent at will and is not easy to break. Strong, low firing temperature, high strength black pottery after firing, not easy to corrode; black bamboo charcoal powder can make black pottery black inside and outside, uniform color, bamboo charcoal powder is mainly composed of carbon, hydrogen, oxygen and other elements, texture It is hard and has the functions of m...

Embodiment 2

[0030] The black pottery is fired from the following raw materials in weight percentage: 55% of Jin'an pottery clay, 15% of Hushan pottery clay, and 230% of bamboo charcoal powder.

[0031] Compared with Example 1, the present embodiment selects 55% of Jin'an pottery clay, 15% of Hushan pottery clay, and 30% of bamboo charcoal powder as raw materials, and the other process steps are all the same.

Embodiment 3

[0033] The black pottery is fired from the following raw materials in weight percentage: 50% of Jin'an pottery clay, 15% of Hushan pottery clay, and 35% of bamboo charcoal powder.

[0034] Compared with Example 1, the present embodiment selects 50% of Jin'an pottery clay, 15% of Hushan pottery clay, and 35% of bamboo charcoal powder as raw materials, and the other process steps are all the same.

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Abstract

A black pottery with the functions of suppressing bacteria and cleaning water is prepared from Jinan pottery day, Hushan pottery clay and charred bamboo powder proportionally.

Description

technical field [0001] The invention relates to a ceramic and its manufacturing process. Background technique [0002] Black pottery is an ancient cultural heritage of our country, with a solemn and simple shape, and its antique flavor is a treasure in the ceramic art library. At present, the raw materials for making black pottery are all made of Jin'an pottery clay. Jin'an pottery clay is the product of hundreds of millions of years of weathering. It has been blown by wind and rain for many years, drifted and rolled in other places, and deposited again. Its surface is earthy yellow, interspersed with Off-white band. Jin'an pottery clay has strong plasticity and toughness, and can be shaped into various shapes. After drying, it can still maintain its original shape and hardness. It can be bent at will and is not easy to break. It is most suitable for hand-drawn blanks. [0003] The current process of making black pottery includes steps such as was...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13
Inventor 汤建华
Owner 汤建华
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