TWO-FREQUENCY ULTRASONIC TREATMENT FOR IMPROVEMENT OF THE EFFICIENCY OF PARTICLES′ COAGULATION IN SMOKE PRECIPITATION

An investigation has been made into the improvement of the efficiency of smoke precipitation by exposure of its
particles to ultrasonic vibrations. Results are presented for investigations into the effect on smoke precipitation
exerted by acoustic vibrations formed by two ultrasonic radiators operating at close frequencies compared to the
effect of two radiators operating at one frequency. A possibility has been established for substantial improvement
of the smoke precipitation efficiency by exposure of two radiators operating at one frequency. A two-frequency
effect on smoke ensured not only the formation of smoke particle agglomerates along the direction of propagation
of ultrasonic vibrations but also subsequent combination of agglomerates in the process of their rotational
movement under the effect of low-frequency vibrations (beating) occurring due to the interaction of ultrasonic
vibrations of different frequencies. A reduction in the energy expenditures on the process of smoke coagulation
compared to other methods of its precipitation should be considered as the advantage of smoke precipitation
under a two-frequency effect

Author:  V. N. Khmelev, A. V. Shalunov, S. N. Tsyganok, P. D. Danilov
Keywords:  smoke, precipitation, ultrasonic vibrations, ultrasonic effect (exposure), agglomeration, coagulation, disk emitter, sound pressure, piezoelectric ultrasonic oscillating (vibrating) system
Page:  1492