Valve for controlling solids flow

Details Valve for controlling solids flow Valve for controlling solids flow

1982-09-29

1985-02-19

Nase, Jeffrey V.

Conveyors: fluid current

Miscellaneous

406108, 406136, B65G 5340

Patent

active

045002312

ABSTRACT:
A valve for controlling the flow of solids comprises a vessel having an overflow point, an inlet line for discharging solids into the vessel positioned within the vessel such that the inlet line's discharge point is lower than the vessel's overflow point, and apparatus for introducing a fluidizing fluid into the vessel. The fluidizing fluid fluidizes the solids within the vessel so that they overflow at the vessel's overflow point. For the removal of nuclear waste product the vessel may be placed within a sealed container having a bottom connected transport line for transporting the solids to storage or other sites. The rate of solids flow is controlled by the flow rate of the fluidizing fluid and by V-notch weirs of different sizes spaced about the top of the vessel.

REFERENCES:
patent: 2726136 (1955-12-01), Davis, Jr.
patent: 3261379 (1966-07-01), Stockel et al.
patent: 3297369 (1967-01-01), Vandenhoeck
patent: 4203689 (1980-05-01), Kraxner et al.
Proceedings of the 6th International Conference on Fluidized Bed Combustion, Apr. 9-11, 1980, CONF--800428--vol. 3, p. 980.
Robert H. Perry, et al., Editors, Chemical Engineer's Handbook, 4th Edition, McGraw-Hill, 1963, pp. 20-46 to 20-49.

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