Multifrequency acoustic chamber for the agglomeration and separa

Details Multifrequency acoustic chamber for the agglomeration and separa Multifrequency acoustic chamber for the agglomeration and separa

1997-04-14

1998-06-23

Wu, David W.

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

95 29, B01D 5108

Patent

active

057699135

ABSTRACT:
The objective of the present patent is an acoustic chamber for treatment of gaseous effluents containing solid and liquid micro-particles in suspension at various frequencies and high intensities. The acoustic energy agglomerates the micro-particles, thereby facilitating their separation by means of conventional systems (electrostatic filters, cyclones, etc.). The chamber has a rectangular cross section and is axially traversed by the flow of the aerosols to be agglomerated (1), while the acoustic generators, being of vibrating-stepped-plate type (2) and being able to work at different frequencies, are arranged contiguously or alternatingly on the side walls to create intensive stationary fields in the various transversal sections of the chamber. To take advantage of the emissions from both faces of the acoustic generator's radiating plate, it is proposed to locate it in between of two planar reflectors which form an angle. Likewise, for the aerosol treatment at high temperatures a refrigeration system (4) for the acoustic radiators is proposed by means of a cool air flow.

REFERENCES:
patent: 3771286 (1973-11-01), Scott
patent: 4475921 (1984-10-01), Barmatz

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