Distillation: processes – thermolytic – Miscellaneous
Patent
1979-09-20
1981-04-21
Scovronek, Joseph
Distillation: processes, thermolytic
Miscellaneous
201 6, 201 23, 202 82, C10B 5304, C10B 5308
Patent
active
042631009
ABSTRACT:
A method reducing fine dust emission during the time that predried and preheated coal is charged into coke ovens comprises directing wet coal to be carbonized into direct contact with a hot process gas so that the coal is transported dry and heated, directing the hot process gas with the heated coal to a plurality of different separators in succession with the first separator being set to separate only around from 80 to 90% of the total amount of the coal and without separating the fine dust, and a subsequent separator separate the remaining amount of the solid matter including the fine dust, compacting the dust removed from all of the separators and mixing them together, and charging the compacted mixed dust into the coke oven. The apparatus for effecting the invention includes a material separator which is designed as a gravity separator or gravity sifter which is arranged to discharge into a connection between the mixed and compacted dust separator in separate additional separators.
REFERENCES:
patent: 3992266 (1976-11-01), Aktay et al.
patent: 4139419 (1979-02-01), Limberg
patent: 4142941 (1979-03-01), Weber et al.
Bocsanczy Janos
Stalherm Dieter
Firma Carl Still GmbH & Co. KG.
Scovronek Joseph
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