A kind of preparation method of temperature-regulating energy-saving concrete

Abstract

The invention relates to the technical field of cement preparation, in particular to a preparation method of temperature-regulating and energy-saving concrete. Potassium fluoride tetrahydrate and manganese nitrate hexahydrate are taken as phase change latent heat materials, fly ash ceramsite is taken as a storage carrier of the phase change latent heat materials and has higher porosity, loading quantity of the phase change latent heat materials can be increased, the fly ash ceramsite is covered with a polymer film with excellent waterproof performance and is then covered with an inorganic filmwith excellent rigidity, strength and waterproof performance, breaking is avoided during stirring and construction by means of the rigidity and the strength of a composite film, and the phase changelatent heat materials can be stably stored in pores of the fly ash ceramsite without leakage by means of the good waterproof performance. The ceramsite is encapsulated twice with polyurethane waterproof paint and water glass, so that the defect of poor grindability of the polyurethane waterproof paint layer is overcome, double waterproof protection based on the polyurethane waterproof paint and water glass is realized, a water glass protective layer provides rigid protection, and wear resistance of the film is improved.

Description

technical field [0001] The invention relates to the technical field of cement raw material preparation, in particular to a method for preparing temperature-adjusted and energy-saving concrete. Background technique [0002] Adding phase-change heat storage materials to ordinary building materials can increase the heat capacity of building materials and make them have good heat storage performance. Using such building materials in solid components can save energy and protect the environment. As the main building material in the structure, concrete occupies a considerable proportion. Due to the particularity of the ready-mixed concrete processing process, there is still no good combination of ready-mixed concrete and phase change latent heat materials. For example, the microcapsules made of phase-change latent heat materials are easy to break during the mixing process of concrete, resulting in a sharp decline in the mechanical properties of concrete, and the method of injectin...

AI Technical Summary

Problems solved by technology

For example, the microcapsules made of phase-change latent heat materials are easy to break during the mixing process of concrete, resulting in a sharp decline in the mechanical properties of concrete, and the method of injecting phase-change latent heat materials into pre-embedded pipelines is expensive

In addition, the particles made of phase-change latent heat materials have low strength and low density. If they are used in high-fluidity concrete, they will seriously affect the mechanical properties and working properties of concrete.