Fix bed gasifier with radiant heating device

Details Fix bed gasifier with radiant heating device Fix bed gasifier with radiant heating device

2011-06-28

2011-06-28

Neckel, Alexa D (Department: 1723)

Gas: heating and illuminating

Generators

Cupola

Reexamination Certificate

active

07967880

ABSTRACT:
The fixed-bed gasifier and method in accordance with the invention operates with a solid material batch that is perfused by air and/or steam in opposing direction. Compared with the resultant pyrolysis coke batch, the actual pyrolysis zone is thin enough so as to result in a material dwell time in the pyrolysis zone of only a few minutes, while the dwell time of the pyrolysis coke in the pyrolysis coke layer may last up to several hours. The pyrolysis occurs in an allothermic manner. High-energy low-dust and low-tar gas is formed. The process control can be automated in a reliable manner. The exhaust of reaction gases and pyrolysis gases occurs through the heating chamber, whereby the last tar components are eliminated.

REFERENCES:
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patent: 4455153 (1984-06-01), Jakahi
patent: 4583992 (1986-04-01), Rogers
patent: 4987115 (1991-01-01), Michel-Kim
patent: 2002/0095866 (2002-07-01), Hassett
patent: 27 15 676 (1977-11-01), None
patent: 38 30 152 (1990-03-01), None
patent: 43 05 964 (1994-01-01), None
patent: 102 16 338 (2003-10-01), None
patent: WO 03/018720 (2003-03-01), None

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