Testing device and testing method for automobile catalytic purifier liner

Abstract

The invention belongs to the technical field of automobile exhaust aftertreatment system testing equipment, and particularly relates to a testing device and a testing method for an automobile catalytic purifier liner. The testing device for the automobile catalytic purifier liner comprises a motor, an air outlet nozzle, a rotating disc, a base and a clamp, the rotating disc is connected to the motor, the rotating disc can rotate under the driving of the motor, a liner clamping block tool is detachably installed on the base, the base is fixedly connected with the clamp, the relative position of the base and the rotating disc can be adjusted by loosening or closing the clamp, and the gasket clamping block tool can be conveniently installed on the base. According to the testing device for the automobile catalytic purifier liner, the cross section of the liner with the thickness fixed through the clamping block is impacted in a gas pulse mode with certain pressure, the loss volume of the liner blown by pulse airflow is measured, the airflow blowing resistance of the liner is judged, and a simulation experiment on the influence of tail gas flow of an automobile exhaust system on a liner material is achieved.

Description

technical field [0001] The invention belongs to the technical field of testing equipment for an automobile exhaust after-treatment system, and in particular relates to a testing device and a testing method for a gasket of an automotive catalytic converter. Background technique [0002] The automobile industry is an important part of the country's industrial development, but along with the development of the automobile industry, it has also brought new problems. At present, the harm of automobile exhaust emissions to the environment has become a major problem facing our country. The state has issued many times Relevant laws and regulations, the control of automobile exhaust is becoming more and more strict. In order to control and reduce automobile exhaust emission pollutants, automobile catalytic converters play a very important role. The harmful gas in the automobile exhaust can be converted into harmless CO through the automobile catalytic converter 2 , N 2 and H 2 O, ...

AI Technical Summary

Problems solved by technology

The liner is impacted by the high-temperature exhaust flow of the automobile exhaust system, and the structure is washed away, unable to provide sufficient fixed support force, resulting in the failure of the catalyst carrier to move and the metal shell to collide and break

[0005] At present, there is no testing equipment for the anti-airflow impact erosion performance of the gasket, and it is impossible to effectively evaluate whether the gasket can withstand the high-temperature exhaust airflow impact of the automobile exhaust system, and the reliability of the product cannot be guaranteed.

Images