Baking-free gravel-shaped attapulgite fly ash ceramisites

Abstract

The invention discloses baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites. The main point of the technical scheme is that: the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites comprise attapulgite clay tailing powder, fly ash, bentonite tailing powder, gravel ash and cement. The components of the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites are subjected to mixing, pelletizing, curing, crushing, screening and packaging to obtain the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites. The baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites have characteristics of particles with irregular shapes, and tiny gas holes in the internal, and are the building ceramisites with characteristics of high strength, low thermal conduction coefficient, good chemical stability, good durability, good thermal insulation, and good sound insulation. The fly ash and the tailings are comprehensively utilized to produce the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites, such that the resource utilization rate is improved, the waste is changed into the treasure, the land occupation is reduced, and the environment is protected and purified. In addition, the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites are suitable for productions of concrete thermal insulation blocks, and thermal insulation and sound insulation materials.

Description

technical field [0001] The invention relates to ceramsite, in particular to an unfired crushed stone-shaped attapulgite fly ash ceramsite. Background technique [0002] 80% of my country's mineral resources are associated mines, a large amount of valuable resources are stored in tailings, and tailings stockpiles require a large amount of land. Many tailings ponds have been used beyond the time limit or overloaded, or even operated in violation of regulations, which has caused great safety hazards in the tailings ponds and posed a serious threat to the property and life safety of people in surrounding areas. [0003] Fly ash is the fine ash collected from the flue gas after coal combustion. Fly ash is also the main solid waste discharged from coal-fired power plants. With the development of coal-fired power plants, the amount of fly ash emissions has increased year by year. If a large amount of fly ash is not treated, it will generate dust and pollute the atmosphere; if it ...

AI Technical Summary

Problems solved by technology

[0005] The weak point of above-mentioned patent is: the finished product rate when simply adopting " fly ash, lime powder, gypsum powder and composite additive " to carry out balling is relatively low, because the mutual bonding performance of the raw and auxiliary materials adopted is relatively poor, and gypsum powder It will solidify quickly when exposed to water, and it cannot play a real bonding role after being mixed with fly ash and lime powder, but presents false bonding. The ceramsite produced by the disc granulator has low strength and breakage rate. high