Method of cooling partial oxidation gas containing finely divide

Details Method of cooling partial oxidation gas containing finely divide Method of cooling partial oxidation gas containing finely divide

1985-12-09

1987-10-06

Kratz, Peter

Power plants

Combustion products used as motive fluid

48197R, 60 3912, 60 39182, F02C 330, F02C 328

Patent

active

046974130

ABSTRACT:
A method of cooling partial oxidation gas entraining finely divided impurities employs nitrogen obtained as a by-product in a low temperature air decomposing plant delivering oxygen into a gasifier where a fuel is partially oxidized at a temperature above slag melting point. Crude gas exiting from the gasifier is quenched by the admixture of nitrogen to a temperature immediately below the fusing of softening point of dust particles entrained in the crude gas. Then the mixture is indirectly cooled in a waste heat boiler and subsequently additionally cooled in a second gas quencher by the admixture of further nitrogen. Nitrogen remains admixed to the gas during subsequent separating and desulphurizing treatment and is also supplied in the combustion chamber of a gas turbine.

REFERENCES:
patent: 2699384 (1955-01-01), Perry et al.
patent: 4013427 (1977-03-01), Gernhardt et al.
patent: 4019314 (1977-04-01), Springmann
patent: 4149859 (1979-04-01), Vigesdal
patent: 4212160 (1980-07-01), Blaskowski
patent: 4261167 (1981-04-01), Paull et al.

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