Electrical ultrasonic atomization wet desulfurization spray nozzle and application thereof

Abstract

The invention discloses an electrical ultrasonic atomization wet desulfurization spray nozzle and the application thereof; the spray nozzle comprises an ultrasonic generation device arranged in a shell body; the inside of the shell body is divided into an ultrasonic atomization cavity and an ultrasonic generation cavity; the shell body is provided with a slurry inlet channel; the slurry inlet channel is communicated with the ultrasonic generation cavity, and the slurry inlet channel and the axis of the shell body are arranged tangentially in 45 degrees; limestone slurry passes through the slurry inlet channel, forms a layer of thin film under the action of surface tension and viscous force when flowing into the ultrasonic generation cavity, simultaneously the liquid is crushed and atomized through the mechanical oscillation for a transducer converts high-frequency electromagnetic oscillation into liquid, and then the limestone slurry produces smaller particles under the action of ultrasonic oscillation so as to achieve better atomization effect; and the slurry inlet channel and the axis of the shell body are arranged tangentially in 45 degrees, so that the limestone slurry entering the ultrasonic atomization cavity produces high-speed cyclone, thereby effectively prevent the erosion of the slurry particles to the inner wall of the shell body of the spray nozzle, reducing resistance, and simultaneously solving the blockage problem of the spout of the spray nozzle.

Description

technical field [0001] The invention is used in the spray tower spraying of the wet flue gas desulfurization system of the thermal power plant, and specifically refers to an electric ultrasonic atomization wet desulfurization nozzle and its application. Background technique [0002] Sulfur dioxide is a gaseous pollutant with a large amount and a wide range of influence among the current air pollutants. With the rapid development of human society, the demand for energy continues unabated. This is doomed that the problem of environmental pollution will become increasingly severe, and power plants consume a lot of coal and produce a lot of sulfur dioxide, so desulfurization of power plants is an important means of protecting the environment. At present, most power plants use wet desulfurization process. The slurry produced in this process is sprayed out through the atomizing nozzle to contact with the flue gas, so as to achieve the purpose of desulfurization. The nozzle is o...

AI Technical Summary

Problems solved by technology

At present, wet desulfurization atomizing nozzles are generally pressure nozzles, which can be divided into solid cones, hollow cones and fan-shaped cones. The nozzle structure is relatively simple and the atomization effect is not good.

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