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SYSTEM AND METHOD AND APPARATUS FOR MAINTAINING A PRESSURE BALANCE IN A SOLIDS FLOW LOOP AND FOR CONTROLLING THE FLOW OF SOLIDS THERETHROUGH

United States Patent Application

20170283191
A1
View the Complete Application at the US Patent & Trademark Office
A system includes a standpipe for receiving a flow of solids therethrough, the standpipe having at least one inlet configured to receive a gas for decreasing a solids-to-gas ratio of the flow, a sealpot having an inlet fluidly coupled to the standpipe and an outlet fluidly coupled to a riser, the sealpot being configured to fluidize the solids received from the standpipe and to transport the solids to the riser, and a drain device fluidly coupled to an outlet in the standpipe, the outlet being located upstream from the inlet of the sealpot. The drain device is configured to remove the excess gas from the flow of solids within the standpipe to increase the solids-to-gas ratio of the flow prior to the solids entering the sealpot.
Chiu, Jonq-Hai (West Hartford, CT)
General Electric Technology GmbH (Baden CH)
15/ 086,914
March 31, 2016
GOVERNMENT RIGHTS [0001] This invention was made with Government support under Cooperative Agreement DE-FE0009484 awarded by the Department of Energy. The Government has certain rights in this invention.