Continuous processes and equipment for treatment of solid substa

Details Continuous processes and equipment for treatment of solid substa Continuous processes and equipment for treatment of solid substa

1977-11-21

1980-02-12

Camby, John J.

Heating

Processes of heating or heater operation

Including melting, vaporizing, sintering, expanding...

34171, 432 58, F27B 1500

Patent

active

041881842

ABSTRACT:
The present invention relates to a process and equipment for the continuous treatment of solid substances in general, with specific applications for the gasification of coals and shales and direct reduction of iron ores. The equipment comprises closed vessels to which working pressure may be applied internally equipped with systems of deflectors which make them capable of the treating of solid substances in a continuous manner even when they are in the form of damp or clayey compositions, the said substances are fed into the vessels in moving beds or layers under gravity, in a downward direction, and are contacted with gases or vapors generated in the treatment per se and/or introduced into the vessels and circulate co-currently or counter-currently to the solid substance flow. The equipment is especially suitable for the thermal treatment of said substances, releasing the gases and vapors form the layers, of any thicknesses, of said substances in the downward movement, provided with devices for the entrapment, contact and circulation of gases released in the thermal treatment, and also suitable for the thermal treatment of said substances, mixed with other solid substances, to cause chemical reactions with same and/or with the circulating gases.

REFERENCES:
patent: 56348 (1866-07-01), Beach
patent: 1039440 (1912-09-01), Puckett et al.
patent: 1554780 (1925-09-01), Berrigan et al.
patent: 2416165 (1947-02-01), Evans
patent: 2458357 (1949-01-01), Evans
patent: 3190729 (1965-06-01), Emmett et al.
patent: 3411215 (1968-11-01), Fields
patent: 3728239 (1973-04-01), McDonald

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