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Method for manufacturing dark-red enameled pottery by double-layer grouting method

A purple clay pot and grouting technology, which is applied in the field of purple clay pots, can solve the problems of easy cracking on the surface, poor support, and no bone strength, etc., and achieve the effect of high water content, good plumpness, and increased viscosity

Active Publication Date: 2020-06-16
宜兴爱宜艺术陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the production process of the purple clay teapot body, in order to make the surface of the purple clay teapot smooth and clean without cracking, the mud has a high water content, but this brings about a problem. After the green body is made, it has no bone strength and the support is not good; but If the water content of the mud is reduced, the shrinkage of the surface of the green body is greater than that of the interior, and the surface is easy to crack

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1: A method for making a purple sand teapot by double-layer grouting, comprising the following steps: grouting-demoulding, the grouting is divided into two grouting steps, the steps of the two grouting are: one grouting-one return Grouting-secondary grouting-secondary grouting, add primary grouting material during primary grouting, primary grouting material includes purple sand mud and water, water content of primary grouting material is 20%, add purple sand mud with water during primary grouting Mix to obtain the primary grouting material, inject the primary grouting material into the gypsum mold, return the slurry once after drying for 5 minutes, pour out the waste mud during the first slurrying, and form an outer mud layer in the gypsum mold; Add the secondary grouting material. The secondary grouting material includes purple sand mud, water, water glass, soda ash and sodium humate. The water content of the secondary grouting material is lower than that of ...

Embodiment 2

[0012] Embodiment 2: A kind of method for making purple clay teapot by double-layer grouting method, comprises the following steps: grouting-demoulding, grouting is divided into two times of grouting, the steps of two times of grouting are: one time of grouting-one time Grouting-secondary grouting-secondary grouting, add primary grouting material during primary grouting, primary grouting material includes purple sand mud and water, water content of primary grouting material is 30%, add purple sand mud to water during primary grouting Mix to obtain the primary grouting material, inject the primary grouting material into the gypsum mold, return the slurry once after drying for 8 minutes, pour out the waste mud during the first return slurrying, and form an outer mud layer in the gypsum mold; Add the secondary grouting material, the secondary grouting material includes purple sand mud, water, water glass, soda ash and sodium humate, the water content of the secondary grouting mate...

Embodiment 3

[0013] Embodiment 3: A kind of method for making purple sand teapot by double-layer grouting method, comprises the following steps: grouting-demoulding, grouting is divided into two groutings, and the steps of two groutings are: one grouting-one return Grouting-secondary grouting-secondary grouting, add primary grouting material to primary grouting, primary grouting material includes purple sand mud and water, water content of primary grouting material is 37.5%, add purple sand mud to primary grouting Mix to obtain the primary grouting material, inject the primary grouting material into the gypsum mold, return the slurry once after drying for 10 minutes, pour out the waste mud during the first return, and form an outer mud layer in the gypsum mold; Add the secondary grouting material. The secondary grouting material includes purple sand mud, water, water glass, soda ash and sodium humate. The water content of the secondary grouting material is lower than that of the primary gro...

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PUM

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Abstract

The invention discloses a method for manufacturing a dark-red enameled pottery through a double-layer grouting method. The method comprises the following steps that: grouting and demolding are carriedout, grouting is divided into two times of grouting, the two times of grouting comprise the steps of primary grouting, primary grout returning, secondary grouting and secondary grout returning, primary grouting material is added during primary grouting, the primary grouting material comprises purple sand mud and water, and the water content of the primary grouting slurry is 20-37.5%; during the secondary grouting, a secondary grouting material is added; the secondary grouting material comprises purple sand mud, water, water glass, sodium carbonate and sodium humate, the water content of the secondary grouting material is lower than that of the primary grouting material and the difference value is 10-15%, the weight of the water glass is 0.1-0.5% of that of the secondary grouting material,the weight of the sodium carbonate is 0.1-0.3% of that of the secondary grouting material, and the weight of the sodium humate is 0.1-0.3% of that of the secondary grouting material. The three substances are combined, so that an inner mud layer plays a role in supporting an outer mud layer in advance, and the manufactured dark-red enameled pottery not only can meet the surface smoothness, but also can achieve the effects of good bone strength and good plumpness.

Description

technical field [0001] The invention relates to the field of purple clay pots, in particular to a method for making purple clay pots by double-layer grouting. Background technique [0002] In the production process of the purple clay teapot body, in order to make the surface of the purple clay teapot smooth and clean without cracking, the mud has a high water content, but this brings about a problem. After the green body is made, it has no bone strength and the support is not good; but If the water content of the mud is reduced, the shrinkage of the surface of the green body is greater than that of the interior, and the surface is easy to crack. Contents of the invention [0003] The purpose of the present invention is to provide a method for making purple sand teapots by double-layer grouting method. [0004] The innovation of the present invention is that in the present invention, the mud is injected in two layers, the outer layer is injected first, the water content of...

Claims

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Application Information

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IPC IPC(8): C04B33/28C04B33/13
CPCC04B33/28C04B33/1305C04B33/131C04B33/1315C04B35/6316C04B35/634C04B2235/3427C04B2235/3201
Inventor 范泽锋范科锋范墨烯
Owner 宜兴爱宜艺术陶瓷有限公司
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