A method for preparing purple sand craft ornaments from dust collected by filter bags of urban road sweepers

Abstract

The invention discloses a method for preparing a purple clay ornament for display from dust collected by a filter cloth bag of a sweeper. The method comprises pouring dust collected by a filter cloth bag of a city and town sweeper into a water washing tank, carrying out water washing, collecting floating objects on the water surface, carrying out filtration and airing, putting halloysite and hydromica clay into a ball mill, carrying out ball milling to obtain halloysite-hydromica clay slurry, adding purple clay raw ore clinker and dust into the halloysite-hydromica clay slurry, carrying out mixing stirring, carrying out seal aging, carrying out full stirring, pressing the mixture to obtain clay strips, repeatedly pressing the clay strips, carrying out seal aging to obtain purple clay, preparing a model blank from the purple clay, putting the blank into an electrical kiln, carrying out calcination, carrying out cooling, and discharging the product which is the purple clay ornament for display. The method has simple processes, utilizes road cleaning waste dust as a raw material and realizes a low cost. The purple clay ornament finished product has a good color, fine texture, good gloss, no crack and good feeling, can be used as an ornament for display, fully utilizes road cleaning waste dust and is economic and environmentally friendly.

Description

technical field [0001] The invention relates to a method for preparing a purple sand craft ornament from dust collected by a filter cloth bag of an urban road sweeper. Background technique [0002] Zisha Craft Ornament is a ceramic product between pottery and porcelain. It is made of clay and fired from Zisha ore. It has natural color, good light transmission and water color, good color rendering, and delicate hand feeling. It is a traditional handicraft that is loved by people in China. [0003] When the sweeper cleans the urban roads, the dust collected by the filter bag of the cleaning system in the car is useless and difficult to handle. Random stacking will easily cause dust and pollute the environment. Although both dust and purple sand belong to earth materials, it is not easy to shape it with dust as raw material. Even if it is made into clay, the surface of the fired product has no luster, poor light transmission, and poor water color, which does not have the chara...

AI Technical Summary

Problems solved by technology

[0003] When the sweeper cleans the urban roads, the dust collected by the filter bag of the cleaning system in the car is useless and difficult to handle. Random stacking will easily cause dust and pollute the environment

Although dust and purple sand are both earthy materials, it is not easy to shape them using dust as a raw material. Even if made into clay, the surface of the fired product will not have luster, poor light transmission, poor water color, and does not have the characteristics of a craft decoration.