An electronic control system for photocatalytic degradation effect evaluation

Abstract

The invention discloses an electronic control system for photocatalytic degradation effect evaluation, comprising: exhaust gas generating device, flow meter, vacuum pump, air supply system, barometer, heat-sensitive temperature-controlled heating tube controllable light supply system, sealing box, automobile exhaust Analyzer, etc. The experimental device can adjust the light intensity through the digital photoelectric system. The lamp tube can be exchanged according to the requirements of the photocatalysis experiment. The light supply system has a support that can be adjusted up and down. There is an angle variable shading plate, which is convenient to adjust the light intensity and incident angle. There is a heat-sensitive temperature-controlled heating tube in the sealed box, which can control the temperature in the experimental device. The vacuum pump can ensure that the airtight container is in a vacuum state before the experiment starts. The analyzer is connected with a telescopic tube, which can measure the gas concentration at different heights in the box. It can truly and effectively simulate the actual situation of the road surface, and accurately measure the response.

Description

technical field [0001] The invention belongs to the technical field of road material engineering, and relates to an evaluation technology for the degradation effect of automobile tail gas after asphalt mixture and cement concrete are mixed with photocatalytic materials, especially relates to mixing TiO 2 A series of photocatalytic pavements and g-C 3 N 4 Series of photocatalytic degradation effect evaluation electronic control system. Background technique [0002] With the rapid development of the transportation industry, the application of motor vehicles has brought great convenience to people, but the emission of automobile exhaust has seriously damaged the natural environment and ecological environment, and at the same time brought harm to human physical and mental health. Automobile exhaust contains carbon monoxide, carbon dioxide, hydrocarbons (HC), nitrogen oxides (mainly N0), etc. These substances are extremely harmful. To solve the serious problems caused by autom...

AI Technical Summary

Problems solved by technology

[0003] At present, a variety of pavement coating materials and pavement structures for photocatalytic degradation of automobile exhaust have been proposed at home and abroad, but there are few studies on the quantification and evaluation of photocatalytic effects. There are few studies on the influence of photocatalytic effect; there are few studies on the photocatalytic effect of specimen temperature and ambient temperature, and the existing evaluations rarely consider the influence of ambient temperature and specimen temperature on photocatalytic pavement materials; The flow control is not very precise; during the photocatalytic reaction process, the change of the vehicle exhaust at different heights in the container is not considered; most of the test devices mentioned in the existing literature do not consider the pressure change in the test container. Input and illumination of the lighting system, the temperature in the container will rise rapidly, if the pressure in the test container exceeds the strength of the material, accidents such as explosion will occur

It can be seen that the evaluation research of existing road photocatalytic materials is not deep enough, which directly restricts the popularization and application of road photocatalytic materials.

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