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[Chemical Knowledge]：Production and manufacturing method and process flow of white pottery clay

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The manufacturing method
of kaolin
1. Introduction

as an important raw material for the production of chemicals, kaolin is widely used in ceramics, plastics, rubber, coatings, papermaking and other fields. With the continuous growth of market demand, the research and optimization of kaolin manufacturing methods have been paid more and more attention. This paper will introduce the manufacturing method of kaolin in detail, in order to provide reference for improving the production efficiency and product quality of kaolin.

2. raw material preparation

manufacturing kaolin main raw materials for kaolin, quartz sand, feldspar and so on. These raw materials should have a certain degree of purity to ensure the performance of the final product. In the preparation process, it is necessary to crush, screen, and mix the raw materials to obtain uniform materials.

3. ingredients and mixing

according to product requirements, the prepared raw materials according to a certain proportion of ingredients. During the batching process, attention should be paid to the uniform mixing of various raw materials to ensure the stable performance of the final product. In the mixing process, equipment such as ball mill and Rayton mill can be used to improve the mixing efficiency.

4. molding and drying

after the mixing of the material needs to be molded to obtain the desired shape of the clay products. The molding method can select pressing, extrusion, injection and other molding processes according to product characteristics. The molded product needs to be dried to reduce the moisture content and improve the strength of the product.

5. Sintering and Grinding

The dried clay products need to be sintered to improve their density and strength. The sintering temperature and time should be adjusted according to the product requirements. After sintering, the product needs to be ground to obtain the desired fineness of the kaolin product.

6. Quality Inspection and Packaging

After grinding, the white clay products shall be subject to quality inspection, including chemical composition analysis, physical performance testing, etc., to ensure that the product quality meets the relevant standards. The qualified products shall be packaged for transportation and storage.
Precautions in the production process of
7.

1. Strictly control the quality of raw materials to ensure that the purity and particle size of raw materials meet the requirements, laying the foundation for improving product quality.
2. In the process of batching and mixing, it is necessary to ensure the uniform mixing of various raw materials to avoid component segregation.
3. During the molding process, the appropriate molding process should be selected according to the characteristics of the product to ensure that the shape and size of the product meet the requirements.
4. The drying temperature and time should be controlled during the drying process to avoid over-burning or incomplete drying.
5. In the sintering process, the sintering temperature and time should be adjusted according to the product requirements to obtain the best sintering effect.
6. The grinding process to ensure uniform product fineness, to avoid the phenomenon of large particles or powder too fine.

8. Conclusion The manufacturing method of

kaolin involves many links, including raw material preparation, batching and mixing, molding and drying, sintering and grinding, and quality inspection and packaging. In the production process, it is necessary to strictly control the process parameters of each link to ensure stable and reliable product quality. Through continuous optimization of manufacturing methods, the production efficiency and product quality of white clay can be improved, and strong support for the development of chemical production field can be provided.

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