Method for preparing heat preservation and decoration integrated board through single-step sintering of iron tailings

Abstract

A method for preparing a heat preservation and decoration integrated board through single-step sintering of iron tailings mainly comprises the steps of preparation of heat preservation particles, preparation of a decoration biscuit and a main technical part of single-step sintering of the heat preservation and decoration integrated board. The main components of the heat preservation particles andthe decoration biscuit are adjusted to be within the close range, material distributing is conducted on the decoration biscuit to form an integrated biscuit, and the building material with the functions of heat preservation and decoration is obtained through single-step sintering. Compared with a traditional method that the heat preservation and decoration integrated building material is formed through secondary forming, binding and mechanical anchoring, the heat preservation and decoration board can be formed through one-time sintering by adopting the method, a heat preservation layer and a decoration layer have good binding forces, thus the service life is prolonged, and the construction difficulty is lowered. Meanwhile, the iron tailings are adopted to serve as main raw materials, largeamount consumption and high-valued utilization of the iron tailings are achieved, and the method has obvious environment-friendly and economic benefits.

Description

technical field [0001] The invention relates to the field of comprehensive utilization of iron tailings, in particular to one-step sintering of iron tailings to prepare building materials with integrated decoration and heat preservation. Background technique [0002] Since the 21st century, with the rapid development of the national economy and social industry, the demand for mineral resources is increasing day by day. According to statistics, 95% of my country's energy and 85% of raw materials depend on mineral resources. The national metal ore mining and dressing industry produces 224.24 million tons of industrial solid waste annually, and its comprehensive utilization rate is only 25.1%, while the comprehensive utilization rate of iron tailings is only 7%. The stockpiling and landfilling of a large number of iron tailings not only needs to occupy a large amount of land, but also consumes manpower, material and financial resources for management, and some iron tailings co...

AI Technical Summary

Problems solved by technology

At present, raw materials such as polystyrene board, polystyrene particle glue, foamed polyurethane, and thermal insulation rock wool are usually used for the thermal insulation layer of integrated building materials for thermal insulation and decoration. These raw materials are relatively expensive and costly

The decorative layer is mostly made of marble. Although marble has the advantages of high hardness and various patterns, it is easy to corrode. When it encounters extreme weather, it will cause great damage and greatly shorten its service time.

At present, the one-step sintering process of the thermal insulation and decoration integrated board is relatively complicated, and requires secondary molding and the integration of the thermal insulation layer and the decorative layer through pasting, mechanical anchoring and other methods, and the production cost and construction cost are high.

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