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Process for improving mobility of Nixing ceramic dry powder blank material

A Nixing pottery and fluidity technology, which is applied in the technical field of improving the fluidity of Nixing pottery dry powder billet, to achieve the effect of enhancing dispersion, regular shape, reducing distortion and cracking

Inactive Publication Date: 2018-05-18
QINZHOU CITY HUAXIA TAIJIQUAN NINGXING POTTERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a process for improving the fluidity of Nixing pottery dry powder blanks, which can improve the fluidity of blanks, is suitable for dry pressing molding, greatly improves the production efficiency of Nixing pottery, and effectively eliminates the density of formed blanks Uneven distribution of defects, improve the firing rate of the formed green body

Method used

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  • Process for improving mobility of Nixing ceramic dry powder blank material
  • Process for improving mobility of Nixing ceramic dry powder blank material
  • Process for improving mobility of Nixing ceramic dry powder blank material

Examples

Experimental program
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Effect test

Embodiment 1

[0017] 1) Take east mud and west mud and mix them at a weight ratio of 4:6 to obtain Nixing pottery mud, add 0.1% of its weight SiC particles, mix and grind to 200 mesh, first place it at 500MHz for 20min, and then put it at 100GHz Down processing 1min, obtains potter's clay powder;

[0018] 2) After mixing 0.5% sodium polyacrylate by weight into the pottery clay powder, send it into a dry granulator for humidification and granulation to obtain a powder with a moisture content of 12%;

[0019] 3) Dry the powder until the water content is 6%.

Embodiment 2

[0021] 1) Take east mud and west mud and mix them at a weight ratio of 6:4 to obtain Nixing pottery mud, add 0.5% of its weight SiC particles, mix and grind to 300 mesh, first place it at 1000MHz for 25min, then place it at 200GHz Down processing 3min, obtains potter's clay powder;

[0022] 2) After mixing 1% sodium polyacrylate by weight into the pottery clay powder, send it into a dry granulator for humidification and granulation to obtain a powder with a moisture content of 15%;

[0023] 3) Dry the powder until the moisture content is 7%.

Embodiment 3

[0025] 1) Take east mud and west mud and mix them at a weight ratio of 5:5 to obtain Nixing pottery mud, add 0.25% of its weight SiC particles, mix and grind to 250 mesh, first place it at 800MHz for 22min, then place it at 150GHz Down processing 2min, obtains potter's clay powder;

[0026] 2) After mixing 0.8% sodium polyacrylate by weight into the pottery clay powder, send it into a dry granulator for humidification and granulation to obtain a powder with a moisture content of 14%;

[0027] 3) Dry the powder until the water content is 6.5%.

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Abstract

The invention discloses a process for improving the mobility of a Nixing ceramic dry powder blank material. The process includes the following steps of firstly, taking Nixing clay, adding SiC particles accounting for 0.1-0.5% of the weight of the Nixing clay to the Nixing clay to be mixed and smashed, and placing the mixture at 500-1000 MHz to be processed for 20-25 min and then at 100-200 GHz tobe processed for 1-3 min to obtain clay powder; secondly, mixing ammonium polyacrylate into the clay powder, and sending the mixture into a dry-method granulator to be moistened and granulated to obtain powder with the water content of 12-15%; thirdly, drying the powder till the water content is 6-7% to obtain the Nixing pottery blank material. By adding the SiC particles to the traditional Nixingclay, in combination with microwave treatment, granular particles which are smooth in surface, regular in shape and high in mobility can be obtained and are suitable for subsequent dry pressing.

Description

technical field [0001] The invention relates to a manufacturing process of Nixing pottery, in particular to a process for improving the fluidity of a Nixing pottery dry powder blank. Background technique [0002] Qinzhou Nixing pottery, Yixing Zisha pottery in Jiangsu, Jianshui pottery in Yunnan, and Rongchang pottery in Sichuan are among the four famous pottery pottery in China, and are well-known both at home and abroad. The traditional preparation process of Nixing pottery includes the steps of blank preparation, blank molding, blank drying, and blank firing. Among them, the blank preparation includes the following steps: 1) Selection of mud: first select the two sides of the Qinjiang River that traverses the urban area of ​​Qinzhou The east mud and west mud are used as raw materials. The white mud (east mud) is mainly distributed in the area east of the Qinjiang River, mostly in low-lying areas, and its appearance is characterized by dense and soft clay, which is soft cl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/04C04B33/13C04B33/20
CPCC04B33/04C04B33/13C04B33/1305C04B33/20C04B2235/3826C04B2235/5436
Inventor 黄海武秦意霞
Owner QINZHOU CITY HUAXIA TAIJIQUAN NINGXING POTTERY
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