An autoclaved lime-sand brick made from construction waste and crystal glass solid waste and a preparation method thereof

Abstract

The invention relates to a method for manufacturing autoclaved lime-sand bricks by using construction waste and crystal glass solid waste. The steps are as follows: 1) Put construction waste and fine sandstone through a jaw crusher, a pulverizer, and a drum sieve to sieve the mixture to obtain a construction brick. Waste and fine sandstone mixed waste; 2) Lime or calcium carbide slag waste mixed with crushed construction waste and fine sandstone mixed waste, then mixed with crystal solid waste, synthesized and quantitatively transported to a double-horizon mixer, mixed with water, entered for forced mixing, and then sent 3) After passing through the vertical strong powder machine and rolling machine, it is sent to the strong press cloth bin, the cloth is placed on the mold, pressed and formed, and demoulded to the working surface , to obtain shaped bricks; 4) Send the shaped bricks to the autoclave, supply air to raise the temperature, and keep the temperature constant for several hours, then the gas can be released out of the autoclave, and the finished product can be used after 6-10 days of curing after leaving the autoclave. The invention has the characteristics of waste utilization, energy saving, soil saving, environmental protection and sustainable development.

Description

technical field [0001] The invention relates to a method for producing autoclaved lime-sand bricks by using solid waste materials. Background technique [0002] In Pujiang, known as the capital of crystal, the processing and sales of crystal materials have become one of the main sources of income for thousands of households. Its vigorous development has enriched the majority of peasant brothers, cultivated a large number of social talents, and also promoted the development of logistics, transportation, packaging and other related industries, and promoted the social and economic development of Pujiang. However, due to the characteristics of the crystal industry, such as low technical level requirements, many geographical distribution points, large quantities, and wide areas, the distribution of the entire industry is unreasonable; the processing of crystal materials in Pujiang County is mainly in the form of family workshop production, resulting in Most of the crystal proces...

AI Technical Summary

Problems solved by technology

However, with the increasing number of crystal processing workshops, more and more crystal processing households have spread to the countryside, which has brought great difficulties to the supervision of the environmental protection department, resulting in littering of crystal waste and waste water. , making the originally verdant and lush hills and forests decadent, the fields full of crops without harvest, and the crystal clear river with sewage flowing across

At the same time, the noise generated during the processing has seriously affected the lives of the surrounding residents and caused many social conflicts such as neighborhood disputes.