Single stage, coal gasification reactor

Details Single stage, coal gasification reactor Single stage, coal gasification reactor

1976-12-20

1979-01-23

Wolk, Morris O.

Gas: heating and illuminating

Generators

Cupola

48197R, 48206, 34 57A, 201 31, 422143, 422147, C10J 348, B01J 818

Patent

active

041358899

ABSTRACT:
A fluid bed reaction apparatus for providing separate reaction sites for segregated reactions in processes such as coal gasification, wherein the respective gasification and subsequent combustion reactions are separated within a single stage reactor. The fluid bed reactor comprises a shell or housing for containing a shell side fluid bed and one or more vertical standing tubes located within the shell side which form the segregated tube reaction sides. The open lower ends of the standing tubes are displaced a short distance above a distributor plate which operates as the base of the shell side fluid bed column. A Venturi nozzle coaxially oriented below the standing tube mouth provides a high velocity fluid flow into the tube side of the reactor. Carbonaceous particles are first reacted as they travel down the shell side reaction chamber. With the gasification reaction essentially completed as the reactant particles reach the distributor plate, the dynamic forces created by the Venturi nozzle draw the reacted material into the tube side where the segregated combustion reaction occurs. The reaction products of the respective shell and tube sides can therefore be separately extracted or recycled as desired.

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