Material or article handling – Chamber of a type utilized for a heating function and... – Charging of chamber
Patent
1977-12-01
1979-04-10
Sheridan, Robert G.
Material or article handling
Chamber of a type utilized for a heating function and...
Charging of chamber
414220, 414786, C10J 330
Patent
active
041484053
ABSTRACT:
This invention provides a housing containing a rotatable coal bucket that is sealed at its ends in the housing with a reciprocal plunger that is sealed in the bucket at one end and has an opposite cone-shaped end that wedges up against a closed end of the bucket, and a method for feeding dry, variable size coal from an ambient atmosphere at low pressure into a high temperature, high pressure reactor between the seals for producing fuel gas substantially without losing any high pressure gas from the reactor or excessively wearing the seals. To this end, the piston biases the plunger back and forth for loading and unloading the bucket with coal along an axis that is separated from the seals, the bucket is rotated to unload the coal into the reactor so as to fill the bucket with trapped high pressure gas from the reactor while preventing the gas from escaping therefrom, and then the cone-shaped plunger end is wedged into mating engagement with the closed end of the bucket to displace this high pressure bucket gas by expelling it back into the reactor whereby the bucket can be re-rotated for filling it with coal again substantially without losing any of the high pressure gas or excessively wearing the seals.
REFERENCES:
patent: 1875921 (1932-09-01), Grant et al.
patent: 3633770 (1972-01-01), Howard
Belkin Leonard
Carlson Dean E.
Sheridan Robert G.
The United States of America as represented by the United States
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