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
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[0011] Example 1: A double-layer grouting method for making a purple sand pot, including the following steps: grouting-demoulding, grouting is divided into two grouting, and the steps of two grouting are: one grouting-one return Grouting-secondary grouting-secondary grouting, adding the first grouting during the first grouting, the first grouting includes purple sand mud and water, the water content of the first grouting is 20%, and adding water to the purple sand mud during the first grouting Mix to obtain a primary grouting material, inject the primary grouting material into the gypsum mold, dry it for 5 minutes and then pour out the waste slurry during the first time grouting to form an outer slurry layer in the gypsum mold; Add 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 grouting material and the dif...
Example Embodiment
[0012] Example 2: A double-layer grouting method for making a purple sand pot, including the following steps: grouting-demoulding, grouting is divided into two grouting, and the steps of two grouting are: one grouting-one return Grouting-secondary grouting-secondary grouting, adding the first grouting during the first grouting, the first grouting includes purple sand mud and water, the water content of the first grouting is 30%, and adding water to the purple sand mud during the first grouting Mix to obtain a primary grouting material, inject the primary grouting material into the gypsum mold, dry it for 8 minutes and then pour out the waste slurry during the first time grouting to form an outer slurry layer in the gypsum mold; Add 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 grouting material and the dif...
Example Embodiment
[0013] Example 3: A method for making a purple sand pot with a double-layer grouting method, including the following steps: grouting-demoulding, grouting is divided into two grouting, and the steps of two grouting are: one grouting-one return Grouting-secondary grouting-secondary grouting, adding the primary grouting during the primary grouting, the primary grouting includes purple sand mud and water, the water content of the primary grouting is 37.5%, and adding water to the purple sand mud during the primary grouting Mixing to obtain a primary grouting material, inject the primary grouting material into the gypsum mold, dry it for 10 minutes and then return the slurry once, pour out the waste slurry during the first slurry return, and form an outer slurry 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 ...
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