Gas: heating and illuminating – Generators – Cupola
Patent
1974-09-24
1976-04-20
Scovronek, Joseph
Gas: heating and illuminating
Generators
Cupola
48 86R, 110 37, C10J 330, C10J 332
Patent
active
039516164
ABSTRACT:
Coal such as caking coal is continuously gasified, with lump formation inhibited, under superatmospheric pressures and elevated temperatures by treatment with oxygen and water vapor and, if desired, additional gasifying agents in a reactor having a rotatable feeder which continuously feeds coal to be gasified and one or more stirrer arms which rotate in the upper portion of the coal bed. Each stirring arm is rotated at a peripheral velocity which is at least about 1 meter per minute at its end approximate the axis of rotation and at least 1.5 meters per minute at its end remote from the axis of rotation.
The reactor for carrying out this process includes a rotatable feeder and one or more stirrer arms which rotate in the upper portion of the coal bed. Each stirrer arm extends from an axially extending body which has a diameter of from 0.3 to 0.7 times the inside diameter of the upper region of the reactor. The cross-sectional profile of each stirrer arm is preferably approximately an obtuse-angled triangle with the upper side of the triangle rising at an angle of 17.degree.-25.degree., the under side at an angle of 2.degree.-7.degree. and the trailing side at an angle of 60.degree.-80.degree. from the horizontal direction which is opposite to the direction of movement of the stirrer arm.
REFERENCES:
patent: 1650187 (1927-11-01), Climie
patent: 1679645 (1928-08-01), Bentley et al.
patent: 1911586 (1933-05-01), Schneider et al.
patent: 2440940 (1948-05-01), Galusha
patent: 2667409 (1954-01-01), Hubmann
Metallgesellschaft Aktiengesellschaft
Scovronek Joseph
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