This invention sets forth a double-acting piston, which carries a floating piston, and which is reciprocated in a housing, for feeding coal to a high pressure gasifier system. The housing has a plurality of solids (for instance: coal) in-feeding ports and a single discharge port, the latter port being in communication with a high pressure gasifier system. The double-acting piston sequentially and individually communicates each of the in-feeding ports with the discharge port. The floating piston both seals off the discharge port while each in-feeding port is receiving coal or the like, to prevent undue escape of gas from the gasifier system, and translates in the housing, following a discharge of coal or the like into the discharge port, to return gas which has been admitted into the housing back into the gasifier system. (ERA citation 05:017344)


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    Title :

    Solids Feeder Apparatus


    Contributors:
    H. S. Bell (author)

    Publication date :

    1977


    Size :

    6 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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