Blast furnace slag environment-friendly brick and manufacturing method thereof

Abstract

The invention discloses a blast furnace slag environment-friendly brick and a manufacturing method thereof. The blast furnace slag environment-friendly brick is characterized by being prepared from the following raw materials in percentage by weight: 17 to 19 percent of blast furnace slag, 9 to 13 percent of lime, 15 to 18 percent of river sand, 14 to 17 percent of phosphorite, 6 to 11 percent ofcement, 0.3 to 0.5 percent of aluminum powder, 0.2 to 0.4 percent of sodium lauryl sulfate, 0.1 to 0.4 percent of methyl polyoxyethylene ether, 0.2 to 0.5 percent of methyl methacrylate, 2 to 4 percent of milling type steel fiber, 7 to 9 percent of sintered dry desulfurized ash, 0.15 to 0.3 percent of gellan gum, 0.3 to 0.6 percent of mannan, 1 to 3 percent of oleic acid, 2 to 5 percent of manganese dioxide, 0.1 to 0.3 percent of symplocos paniculata, 0.2 to 0.6 percent of chilli seeds, 3 to 6 percent of aid and a proper amount of water. The environment-friendly brick is processed by adding the blast furnace slag into the raw materials of the environment-friendly brick and adding other conventional aids and through a proper process, and has the characteristics of low cost, small volume-weight, few cracks, heat-insulating property, high energy, good sound-absorbing effect, high compressive strength and the like. The circular economy effect of changing waste into treasures is realized and pollution is reduced.

Description

technical field [0001] The invention relates to the technical field of environmental protection bricks, in particular to a blast furnace slag environmental protection brick and a manufacturing method thereof. Background technique [0002] With the development of my country's iron and steel industry, the discharge of blast furnace slag is increasing day by day. Over the years, nearly 15×107t of slag has been accumulated, covering an area of ​​about 1000km2. In order to deal with these waste residues, the country spends huge sums of money every year to build slag discharge yards and railway lines, wasting a lot of manpower and material resources. Since blast furnace slag is a silicate material and is a melt formed at a high temperature of 1400°C to 1600°C, it is easy to process into various building materials. Water-quenched granular slag (abbreviated as water slag) is a good raw material for the production of cement, slag tiles and blocks; it is quenched and processed into e...

AI Technical Summary

Problems solved by technology

In order to deal with these waste residues, the country spends a huge amount of money eve...