Method and apparatus for the generation and utilization of a spi

Details Method and apparatus for the generation and utilization of a spi Method and apparatus for the generation and utilization of a spi

1986-10-24

1987-08-04

Nase, Jeffrey V.

Conveyors: fluid current

Intake to fluid current conveyor

Upstream of suction source

137 1, 137808, 406 92, 406194, 51436, 239405, 239463, B65G 5342

Patent

active

046842969

ABSTRACT:
Uniform flow of gas flowing in a cylinder having inner diameter larger than that of a pipeline is introduced through a funnelform reducer into the inlet of the pipeline, where uniform flow of gas turned to a spiral gas stream by bringing to the mean gas stream velocity faster than 20 meter per second there. When solid particles are introduced into the spiral gas strem zone, they are transported to the outlet of the pipeline. A compressed gas layer is formed along the inside wall of the pipeline by the spiral motion of gas stream, and the layer prevents the direct contact of the solid particles to the inside wall of the pipeline which causes the erosion of the pipeline. As the center part of the cross section of the pipeline becomes very low pressure, especially along the axis of the pipeline, solid particles containing or accompanying volatile matters are desiccated or concentrated as a result of the evaporation of volatile matters while being transported in the pipeline. When grinding powder (abrasive) is transported by the spiral gas stream and spattered on an object, the surface of the object is ground without consumption of much energy.

REFERENCES:
patent: 1614713 (1927-01-01), Caracristi
patent: 2244050 (1941-06-01), Cassiere
patent: 2315079 (1943-03-01), Reeves
patent: 3973802 (1976-08-01), Kwon et al.
patent: 4097092 (1978-06-01), Lapple

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