Fluorescent photocatalytic water-permeable brick and preparation method thereof

Abstract

The invention belongs to the technical field of engineering construction materials, and particularly relates to a fluorescent photocatalytic water-permeable brick and a preparation method thereof. Thefluorescent photocatalytic water-permeable brick is of a double-layer structure, wherein the lower layer of the water-permeable brick is a recycled aggregate water-permeable layer, and the upper layer of the water-permeable brick is a fluorescent photocatalytic composite concrete layer. According to the invention, the water-permeable brick is used as a matrix and is divided into a double-layer structure by adopting a layered forming method, so the strength of the water-permeable brick is guaranteed, and the utilization rate of a fluorescent material and a carbon nitride nanosheet is increased; the wear resistance and the waterproof performance of the water-permeable brick are enhanced by adding quartz sand and a PTB emulsion; and due to the addition of the carbon nitride nanosheet and fluorescent powder, the water-permeable brick has the functions of self-sustained luminescence, visible-light catalytic gas purification and self-cleaning. The water-permeable brick is suitable for parkaisles or sidewalks, meets the permeable requirements of pavements, has the fluorescent property to play a role in identification at night, continuously degrades pollutants through photocatalysis, keeps clean and tidy, and is beneficial to popularization and application.

Description

technical field [0001] The invention belongs to the technical field of engineering building materials, and in particular relates to a fluorescent photocatalytic permeable brick and a preparation method thereof. Background technique [0002] With the improvement of people's living standards, more and more people go for a walk in the park at night, and the construction standards of ecological parks are getting higher and higher. The use of lighting is not only expensive for installation, but also for later maintenance and use. Therefore, fluorescent pavement has become a research hotspot. However, the existing fluorescent pavement has problems such as poor luminous effect, poor wear resistance, easy to be covered by dust, high cost and poor durability, which limit its large-scale engineering application. [0003] As a common permeable measure in the construction of "sponge city", permeable bricks provide infiltration channels for rainwater, reduce ground water, reduce surface...

AI Technical Summary

Problems solved by technology

The visible light catalytic performance of the visible light catalytic permeable brick is mainly composed of Fe 2 o 3 / g -C 3 N 4 Visible light catalysis paint layer is realized, but the paint itself has the problem of poor bonding performance, and its photocatalytic performance can only be photocatalyzed under the condition of external visible light.