Coal to reactor feeder for coal liquidification

摘要

A solid material feeding system for having controlled feeding of a granulated solid material from a hopper to a reactor and mixing with the solid material a gas which reacts with the solid in the reactor, the gas also cleaning the feeder, promoting a continuous flow without material plugging and hangup; the feeder atmosphere being high pressure hydrogen, the feeder drive shaft being sealed from the atmosphere by a sealing system of high pressure hydrogen over liquid via a low pressure seal, the high pressure liquid over atmosphere via a high pressure seal, the liquid being cooled as required.