Ceramic industrial waste residue can be roughly divided into waste gypsum, osmotic brick and tile polished waste.
1, waste gypsum
At present, both the production process of ceramic products for daily use or sanitary ceramic products, use theplaster mold is large, the mechanical strength of the plaster mold is low, short service life, easy damage and becomewaste gypsum residue.
2, waste sagger
At present, the ceramic kiln is widely used in heavy oil or coal as fuel, because of heavy oil and coal mechanical loss of incomplete combustion and chemical incomplete combustion loss is on the high side, forming a large number ofunburned carbon, easily polluted ceramic products, especially daily ceramic products, therefore, ceramic productsusually adopts the flame heating method baking, and obtain the muffle is economy is the sagger roasting, in addition, a few small ceramic tile production enterprises using porous kiln must still use sagger (mainly the production of size smaller wall brick products). Because many times under a high temperature (sagger at room temperature about 1300 ℃) a room temperature heat should be easy to damage a sagger residue force and pottingprocess collision.
3, tile polished waste
Ceramic tile by scraping (milling) and thicknessing, polishing brick and edge grinding and angle and a series of deep processing as bright as a mirror and smooth of polishing brick products, favored by consumers, so polishing brick isthe new fashion wall tile decoration, its production capacity is rapidly increasing. The production practice experience shows, polishing brick process will usually from Adobe (ceramic tiles) surface removal of about 0.5--0.7 mm surfacelayer, and some even as high as 1 - 2 mm, then the production of 1 square meters of polishing brick adobe willremove the surface layer of about 1.5 kg, 1.5 kg of brick chip is formed; in addition, in the grinding polishing brick at the same time, cutting (abrasive) loss of about 0.6 kg. In short, the manufacturing of 1 square meters polished tile polished waste formed approximately 2.1 kilograms, polishing production line with an annual output of 400000square meters of polishing brick in as an example, it produced annually tile polished waste about 840 tons (dry).There are at least hundreds of polishing production line work round the clock in the country at the moment, so every year will produce waste polished tile hundreds of thousands or even millions of tons of; in addition, there is a greater number of waste gypsum residue and sagger residue, if it is not treated, the accumulation, so it not only occupy farmland, endangering people's living environment, more it is important to restrict the sustainable development ofceramic industry, therefore, we must actively study and explore the ceramic industrial waste residue.
