Wall body filling material aerated concrete and preparation method thereof

Abstract

The invention belongs to the field of building materials and particularly relates to a wall body filling material aerated concrete and a preparation method thereof. The wall body filling material aerated concrete is prepared from the following raw materials in parts by weight: 70-80 parts of fly ash, 25-30 parts of quicklime, 3-5 parts of cement, 3-3.5 parts of phosphogypsum, 0.01-0.05 part of aluminum powder, 0.01-0.03 part of mixture of magnesium oxide and magnesium chloride and industrial salt with an addition amount being 1-2 kilograms per kilogram of the raw materials. For the wall body filling material aerated concrete provided by the invention, a preparation technology is simple; by utilizing the industrial salt as an aerated concrete admixture, the use amounts of limes and cement are reduced, and the cost is reduced; meanwhile, as the use amounts of the limes and the cement are reduced, the mobility of a slurry is improved, and the ratio of water to material can be reduced; anddue to reduction of the ratio of water to material, the use amounts of the limes and the cement can be further reduced, and waste salt can exert the effect of an early strength agent and can also generate the effect of a foam stabilizer.

Description

Technical field: [0001] The invention belongs to the field of building materials, and in particular relates to a wall filling material aerated concrete and a preparation method thereof. Background technique: [0002] Air-entrained concrete block is a new type of building material with low energy consumption and environmental protection. It has the advantages of light weight, good thermal insulation performance, high strength, good seismic performance, good processing performance, high temperature resistance, and good sound insulation performance. It uses siliceous materials (sand, fly ash and silicon-containing tailings, etc.) Lightweight porous silicate products made by curing, cutting, autoclaving, curing and other processes. The production of aerated concrete is rich in raw materials, especially the use of fly ash as a raw material, which can not only comprehensively utilize industrial waste, control environmental pollution, not destroy cultivated land, but also create g...

AI Technical Summary

Problems solved by technology

[0004] Organic synthesis industry, fine chemical industry, pesticide industry and many other industries often need to purify the synthetic product or intermediate product by alkalization and acidification in the product purification stage, that is, to use the two-step reaction of the target substance and NaOH, HCl to complete The final result of the two-step reaction of purification and treatment, alkalization and acidification is the neutralization of NaOH and HCl to produce NaCl solution. However, the NaCl solution often contains a wide variety of organic synthesis products, which often have considerable toxicity. In order to reduce waste The amount of liquid is evaporated to dryness by heating and evaporating the waste salt solution into industrial salt, but the industrial salt produced cannot be disposed of. It has been listed as hazardous waste by the environmental protection department. The continuous accumulation and storage will cause serious environmental hazards. Once There is a huge risk of pollution from diffusion and rain. At the same time, the status quo that a large amount of industrial salt has accumulated and cannot be treated has also brought huge environmental pressure to related companies.