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Paving brick for purifying air and preparation method thereof

A technology for purifying air and pavement bricks, applied in chemical instruments and methods, manufacturing tools, ceramic molding machines, etc., can solve problems such as inability to purify the environment, inability to absorb harmful gases, etc., to achieve a wide range of uses, good degradability, and broad market prospects Effect

Inactive Publication Date: 2013-01-16
常德市鑫盛建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the increasingly serious urban air pollution, nitrogen oxides and sulfur dioxide emitted by automobiles and industries have become public hazards, and the existing pavement bricks cannot absorb harmful gases and cannot purify the environment. Therefore, the photocatalysis of titanium dioxide is used to achieve the effect of pavement bricks. Purification is very necessary

Method used

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  • Paving brick for purifying air and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Weigh and measure cement, yellow sand, anatase nano-scale titanium dioxide, pigments, and polycarboxylate-based high-performance water reducers at a ratio of 1:3:0.2:0.03:0.01, and first weigh the Add yellow sand, cement, anatase nano-scale titanium dioxide, and pigments into planetary forced mixer in turn, dry mix for 30s, mix thoroughly, then add 1 / 2 water and stir for 30s according to the water-cement ratio of 0.28, and finally add the rest 1 / 2 of the water and polycarboxylate high-performance water-reducing agent were stirred for 1.5 minutes for later use to prepare pavement brick surface materials for later use; Proportional weighing measurement, first add the weighed yellow sand, gravel, and cement into the planetary forced mixer in turn, dry mix for 30 seconds, mix well, and then add water and polycarboxylate high-performance water reducing The agent was stirred for 2 minutes and set aside; then the prepared pavement brick surface material and bottom l...

Embodiment 2

[0023] Example 2: Weigh and measure cement, yellow sand, titanium dioxide, pigments, and polycarboxylic acid-based high-performance water reducers at a ratio of 1:3:0.3:0.03:0.01, and first weigh the weighed yellow sand, cement, and titanium dioxide Add the pigments to the planetary forced mixer in turn, dry mix for 45s, mix well, then add 1 / 2 water and stir for 30s according to the water-cement ratio of 0.28, and finally add all the water and polycarboxylate high-performance water reducer and stir 2 minutes for later use, prepare pavement brick surface layer materials for later use; weigh and measure cement, yellow sand, gravel, and water reducing agent according to the ratio of 1:3:2:0.01, and first weigh the yellow sand, gravel, The cement is added to the planetary forced mixer in turn, dry mixed for 45 seconds, fully mixed evenly, and then water and polycarboxylate high-performance water reducer are added according to the water-cement ratio of 0.27 and stirred for 2 minutes...

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Abstract

The invention discloses a paving brick for purifying air and a preparation method thereof, which belong to the technical field of building materials. The paving brick consists of a surface layer and a bottom layer, wherein the surface layer is prepared from cement, yellow sand, titanium dioxide, a water reducing agent and a pigment in the ratio of 1:3:(0.2-0.4):0.01:0.03, and is in the water-cement ratio of 0.28; and the bottom layer is prepared from cement, yellow sand, broken stone and a water reducing agent in the ratio of 1:3:2:0.01, and is in the water-cement ratio of 0.27. The paving brick has the advantages that (1) the properties of high strength, wear resistance, slip resistance, water permeability and the like existing in the conventional pavement are reserved in the prepared paving brick for purifying air; (2) a large quantity of organic pollution gases in the air can be decomposed under illumination, and the degrading capabilities on toluene and nitrogen oxides generated during emission of automobile tail gas are high; (3) the paving brick has a wide application, can be applied to sections such as town roads, gardens, sub-districts, business streets, pedestrian streets and the like, and has a wide application prospect; and (4) the paving brick does not cause any pollution on the environment, and is convenient to popularize and apply.

Description

technical field [0001] The invention relates to a pavement brick and a preparation method thereof, in particular to a pavement brick capable of purifying air and a preparation method thereof, belonging to the technical field of building materials. Background technique [0002] Titanium dioxide has the ability to efficiently decompose organic matter in the atmosphere, and has the functions of sterilization, deodorization, and photocatalytic degradation of organic pollutants; it also has a super-hydrophilic effect, and the contact angle of water on the surface of titanium dioxide continues to decrease under light conditions and finally reaches a complete In the wet state, the principle of action is that light causes alternating hydrophilic and hydrophobic microdomains on the surface of titanium dioxide. The alternating structure of this microdomain is equivalent to many tiny capillaries, which reduces the contact angle of water attached to the surface of titanium dioxide. , an...

Claims

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Application Information

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IPC IPC(8): B32B13/04C04B28/00C04B22/06B28B1/08B28B3/00
Inventor 张烁
Owner 常德市鑫盛建材有限公司
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