Autoclaved aerated lightweight partition board taking steel slag as raw materials

Abstract

The invention discloses an autoclaved aerated lightweight partition board taking steel slag as raw materials. The autoclaved aerated lightweight partition board is prepared from the following raw materials in parts by weight: 30-45 parts of steel slag, 15-30 parts of sodium silicate, 25-40 parts of superfine slag powder, 5-15 parts of pulverized fuel ash, 0.02-0.1 part of foam stabilizer, 1-2 parts of foaming agent, and 4-8 parts of water. By utilizing active substances of fCaO, SiO2, Al2O3, CaO and the like contained in the steel slag, and through adding auxiliaries and an excitant, harmful fCaO in the steel slag to gelatinization is converted into a stable structure, the steel slag autoclaved aerated lightweight partition board can be finally prepared through the chemical aeration technology, normal-temperature gelatinization technology and high-temperature high-pressure maintenance technique, and the lightweight partition board has the advantages of being light in weight, uniform in porosity, high in strength, good in thermal insulation property, good in fireproof property, simple and convenient to construct and install, space-saving, excellent in soundproof performance, and durable. The autoclaved aerated lightweight partition board develops a new field for the treatment of solid steel slag waste.

Description

technical field [0001] The invention relates to an autoclaved aerated partition wall panel, in particular to an autoclaved aerated lightweight partition wall panel using steel slag as a raw material, belonging to the technical field of new building materials. Background technique [0002] With the vigorous development of my country's construction industry, various building materials have been greatly developed. Autoclaved aerated partition wall board is a new type of building material. This kind of board has the advantages of convenient construction and installation, short construction period, low construction comprehensive cost, excellent fire resistance performance, good sound insulation effect, space saving, etc., and thermal insulation effect. Good quality, durable and other advantages have been rapidly developed and widely used. The main raw materials of the autoclaved aerated partition wall panels currently on the market are cement, fly ash, gypsum, quartz sand, lime a...

AI Technical Summary

Problems solved by technology

In order to reduce the pollution of steel slag to the environment, various departments have done a lot of research work on the utilization of steel slag. At present, the main methods of utilization include the production of steel slag bricks, laying the bottom layer of roads, grinding them as cementitious materials, and partially returning them to the furnace for steelmaking. Use slag, etc., but these methods are all because the characteristics of steel slag have not been widely used or low value-added utilization, wasting this resource in vain