Process for cooling raw gas obtained from partial oxidation of c

Details Process for cooling raw gas obtained from partial oxidation of c Process for cooling raw gas obtained from partial oxidation of c

1988-07-21

1990-06-26

Kratz, Peter

Gas: heating and illuminating

Processes

Fuel mixtures

48210, 55 76, 55 80, 55 83, 55 99, 252373, C10K 102, C10K 108, C10K 120

Patent

active

049368729

ABSTRACT:
The process for cooling raw gas obtained from partial oxidation of carbon-containing material by way of the fluidized-bed method, the fixed-bed method or the entrained-bed method at temperatures above 700.degree. C. and pressures ranging from 1 to 120 bar, the carbon-containing material being coal, peat or any other carbon-containing solid, while the oxidizing agent is oxygen, air, water and/or another oxygen-containing matter, to provide a solution to the problem of avoiding fouling and corrosion downstream heat exchangers. This aim is achieved in that raw gas is cooled direct to temperatures ranging from 100.degree.-500.degree. C. in a downstream fluidized-bed cooler using solid additives such as sand.

REFERENCES:
patent: 2591595 (1952-04-01), Ogorzaly
patent: 3976446 (1976-08-01), Sims
patent: 4233275 (1980-11-01), Kimura et al.
patent: 4412848 (1983-11-01), Koyama et al.
patent: 4461629 (1984-07-01), Arisaki
patent: 4613344 (1986-09-01), Henrich et al.

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