Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to cause rotational flow of fluid
Patent
1987-05-01
1988-08-09
Straub, Gary P.
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Means to cause rotational flow of fluid
138 42, 34 34, 34 57E, 432239, 423659, 423DIG9, 241 5, 241 26, 406 92, 406194, 210435, F15C 116, F16L 5510, B56G 5342, B02C 1200
Patent
active
047621486
ABSTRACT:
A spiral gas stream is generated in a pipeline when a uniform flow of gas flowing in a cylinder having inner diameter larger than that of the pipeline is introduced through a funnelform reducer into the inlet of the pipeline and bringing the mean gas stream velocity in the pipeline faster than 20 meter per second. The uniform flow of gas is formed in the cylinder easily when outside low pressure gas is fed into the cylinder through a feed gas inlet pipe installed diagonally at the side of the cylinder apart from the bottom plate so as to make the flow line of the feed gas to cross the axis of the cylinder and inclined toward the bottom plate. When solid particles are introduced into the spiral gas stream zone, they are transported to the outlet of the pipeline. As the compressed gas layer is formed along the inside wall of the pipeline by the spiral motion of gas stream, solid particles don't contact directly with the inside wall of the pipeline and don't hurt it. 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. Solid particles deposited on the bottom of water can be dredged and dehydrated by the spiral gas stream transportation system. When solid particles transported by spiral gas stream in two or more pipelines are arranged to collide with mutually, pulverized fine solid particles are recovered. A chemical reaction which can not or hardly to proceed at normal temperature and pressure is promoted in a spiral gas stream zone.
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Horii Kiyoshi
Marui Tomohiro
Mita Minoru
Shimura Yoshiaki
Takarada Masaaki
Kawasaki Steel Corporation
Kiyoshi Horii
Straub Gary P.
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