Axial flow gas cleaning device

Details Axial flow gas cleaning device Axial flow gas cleaning device

B - Operations, Transporting

04

C

183/119

B04C 3/00 (2006.01) B01D 45/16 (2006.01) F02M 35/022 (2006.01)

Patent

CA 1117875

ABSTRACT OF THE DISCLOSURE The invention is a device which provides for separa- tion of contaminants from a relatively high velocity axially flowing stream of gas. The invention provides a first stage wherein the gas stream is decelerated and the contaminants particles are caused to separate from the air stream by impinging a first surface. The impact results in the particles to acquire a radial velocity section and by virtue of the particles momentum the contaminants are forced to the outer layer of the air stream. The second stage of separation provides for further magnifica- tion of the radial velocity vector of the particle contaminants and also induce a slight tangential component to the contaminant particle velocity. By impacting the contaminants against a blade mounted within the gas stream, the contaminant particles, as a result of this impact, acquire a slight swirl or circular motion which causes the heavier contaminant particles to be further separated from the air stream and become more localized. In the next stage of the cleaning device, the gas stream is rapidly accelerated by decreasing the area through which the gas stream must travel. This increase in velocity of the gas stream increas- es the separation for the smaller contaminant particles until a final separation stage is attained. In this final stage, the velocity of the gas stream is significantly decreased without inducing flow separation. The air velocity is totally slowed down and the particles continue along the periphery of the clean- ing device into a discharge channel, while relatively clean gas continues in its axial flow.

296936

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