Fuel supply method for a gasification chamber

Details Fuel supply method for a gasification chamber Fuel supply method for a gasification chamber

1982-05-03

1984-08-21

Kratz, Peter F.

Gas: heating and illuminating

Processes

Fuel mixtures

48206, 2412601, 241261, 414197, 414218, C10J 346

Patent

active

044668090

ABSTRACT:
Method for supplying fuel material to a gasification reactor into which a mixture of finely powdered fuel material, in suspension in a liquid phase, is charged inside a pressurized combustion chamber into which the combustion-supporting gas is injected and constituting the reactor, by means of a screw conveyor producing a continuously fluid-tight plug by compression of the driven material. By intermeshing at least two overlapping screws with identical threads rotated in the same direction, a wringing of the mixture introduced through an input orifice is compressed by regulating the flow rate of the mixture supply and the rotary speed of the screws so that, for a given flow rate of material, the plug constituted in a braking zone is at a given pressure and contains a certain proportion of liquid phase. The additional amount of liquid phase is expelled into the braking zone and reascends upstream into a drive zone where it is removed through orifices formed in filtering parts of a sleeve.

REFERENCES:
patent: 2184248 (1939-12-01), Bonotto
patent: 2560807 (1951-07-01), Lobo
patent: 2735787 (1956-02-01), Eastman et al.
patent: 3035306 (1962-05-01), Rossiter
patent: 4088528 (1978-05-01), Berger et al.
patent: 4284247 (1981-08-01), Eriksson
patent: 4302353 (1981-11-01), Escher et al.

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