Distillation: processes – thermolytic – Miscellaneous
Patent
1978-04-18
1981-01-27
Lutter, Frank W.
Distillation: processes, thermolytic
Miscellaneous
110232, 202150, 432 14, C01B 5710
Patent
active
042473667
ABSTRACT:
A method of preparing and delivering coal to a coking plant, comprises, conveying the coal to the plant on a moving conveyor while an inert combustion gas is directed over the coal being conveyed. The combustion gas is generated by burning a fuel with air to produce a substantially inert combustion gas which is passed over the coal during its conveying and, thereafter, passed through a cooler for removing the moisture which has been picked up from the coal by the gas. The heating and predrying inert gases are advantageously generated by the direct combustion of air and fuel which are passed through flash dryer tubes and one or more separate separator systems and then delivered into a conveyor pipeline through which the coal is conveyed. A portion of the gases which are generated are also directed with a return gas to a filter for removal of any coal therefrom and to a cooler for removing the moisture picked up from the coal and then back into the stream for delivery to the conveyor for the coal. The inert gas may also be a gas which is circulated in heat exchange relationship with combustion gases which are generated by a combustion of the coal itself. In such a system, a portion of the combustion gases generated are also passed through a condenser or cooler and the cooled and dried waste gases are circulated over the coal being conveyed to the coking oven or its bunkers.
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Bocsanczy Janos
Knappstein Johannes
Stalherm Dieter
Firma Carl Still
Lutter Frank W.
Phillips Roger F.
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