Baking-free gravel attapulgite fire-retarding ceramsite

Abstract

The invention discloses baking-free gravel attapulgite fire-retarding ceramsite. The key point of the technical scheme is that the baking-free gravel attapulgite fire-retarding ceramsite consists of high-viscosity attapulgite clay powder, attapulgite clay tailing powder, granulated blast-furnace slag powder, iron tailing powder, coal gangue powder, bauxite tailing powder, kieselguhr tailing powder and aluminate cement. The baking-free gravel attapulgite fire-retarding ceramsite is produced by the following steps of mixing the ingredients, granulating, maintaining, sieving and packaging. The baking-free gravel attapulgite fire-retarding ceramsite is an irregularly-shaped granule, and has high compression strength, low thermal conductivity, high refractoriness and corrosion resistance, and a good heat-preserving and sound-insulating effect; and a large amount of fine pores are formed in the granule. The baking-free gravel attapulgite fire-retarding ceramsite is produced by utilizing multiple tailings comprehensively, so that the utilization rate of resources is improved, waste materials are changed into wealth, and environment is protected. Besides, the baking-free gravel attapulgite fire-retarding ceramsite is suitable for producing fire-retarding ceramsite concrete and heat-preserving and sound-insulating materials.

Description

technical field [0001] The invention relates to ceramsite, in particular to an attapulgite refractory ceramsite in the shape of an unburned gravel. Background technique [0002] Refractory concrete is a special concrete that can withstand high temperature and maintain the required physical and mechanical properties at high temperature. It is formulated with appropriate cementitious materials, refractory aggregates, admixtures and water in a certain proportion. [0003] Most of the refractory aggregates are heavy slag, crushed refractory bricks, basalt, bauxite clinker, sintered magnesia, etc. [0004] Coal gangue is discarded and occupies a large area of ​​land. The escape or leaching of sulfide in coal gangue will pollute the atmosphere, farmland and water bodies. [0005] 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 ...

AI Technical Summary

Problems solved by technology

Many tailings ponds have been used for overdue periods or overloaded, or even operated in violation of regulations, which has caused great potential safety hazards in tailings ponds, posing a serious threat to people's property and life safety in surrounding areas