F - Mech Eng,Light,Heat,Weapons – 23 – K
Patent
F - Mech Eng,Light,Heat,Weapons
23
K
110/16
F23K 3/02 (2006.01) F27D 99/00 (2010.01) F23K 1/00 (2006.01) F27B 15/00 (2006.01) F27D 3/10 (2006.01)
Patent
CA 1223774
ABSTRACT Apparatus for feeding a combustion chamber under elevated pressure comprises first and second serially connected bins, each having an inlet through which raw coal may be supplied and an outlet through which the coal leaves the bin. The outlet from the first bin (relative to the flow direction of the raw coal) supplies raw coal to the inlet of the second bin. A mill for processing the raw coal is provided, such mill having an inlet connected to the outlet from the second bin and the mill being adapted to pulverize the raw coal to fines or dust according to the requirements of the combustion chamber. A further inlet to the mill is provided for supplying a carrier gas for the pulverized coal and outlet means are provided on the mill for expelling the pulverized coal and carrier gas mixture from the mill. Conduit means are provided for conveying the mixture under pressure to the combustion chamber. The inlet of each bin is provided with a pressure-tight shut-off member and the first bin is provided with a vent pipe having a shut-off valve therein. The invention eliminates the need for an intermediate storage facility between the mill and the combustion chamber and the pulverized coal may be fed directly from the mill to the combustion chamber under elevated pressure.
421557
Beckmann Klaus D.
Wagner Dieter
Borden Ladner Gervais Llp
Deutsche Babcock Anlagen Aktiengesellschaft
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