Study on Ultrasonic Assisted Ejectors Dust Removal Technology

Abstract

With PM2.5 continuously impacting people's lives, researchers are starting to pay more attention on the treatment of flue gas emitted from coal-fired boilers. This paper introduces an ultrasonic assisted ejectors dust removal device. The device uses ejectors to effectively remove acid substances and large dust particles contained in flue gas, and uses air dynamic ultrasonic atomizer to eliminate micro dust particles effectively. In the paper, principle of ejectors and air dynamic ultrasonic atomization nozzle are studied, and the optimal value of the ejector ratio of ejectors is determined through experiment. The paper also analyzes different atomization of air dynamic ultrasonic atomization nozzle under different working condition. Then the overall scheme of the flue gas processing device is designed. Finally, the efficiency of processing dust and sulfur dioxide in the flue gas is tested during experiments on the industrial worksite. For the gas emissions from domestic small and medium sized coal-fired boilers, this device is more efficient and costs less energy.