Batch system cross-flow rotary calciner

Details Batch system cross-flow rotary calciner Batch system cross-flow rotary calciner

1998-05-01

1999-07-27

Walberg, Teresa

Heating

Tumbler-type rotary - drum furnace

F27B 720

Patent

active

059279699

ABSTRACT:
This invention relates to a batch type rotary calcination system where the gas used to heat and chemically react a particulate material is cross-flow contacted with the particulate material. This cross-flow is achieved by locating a gas inlet and a gas outlet adjacent an apertured cylinder containing the particulate material. The apertures on the cylinder are covered by a screen designed to permit gas flow through but prevent the escape of particulate material from the system. The gas inlet and gas outlet are so positioned to provide a continuous gas cross-flow through the particulate material being treated.

REFERENCES:
patent: 4136965 (1979-01-01), Sunnergren et al.
patent: 4345896 (1982-08-01), Abernathy, Jr. et al.
patent: 4535550 (1985-08-01), Walter
patent: 4961390 (1990-10-01), Whitlow et al.
patent: 5297494 (1994-03-01), Kim et al.

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