Dry solids pump system for feeding a high pressure combustor

Details Dry solids pump system for feeding a high pressure combustor Dry solids pump system for feeding a high pressure combustor

1994-12-22

1996-10-01

Husar, John M.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 2431, 241600, B02C 1912, B02C 2318

Patent

active

055605508

ABSTRACT:
A method for feeding a dry pulverized solid material such as coal or limestone into a high pressure combustor is disclosed which employs a high pressure combustor is disclosed which employs a high pressure dry solids pump. The material is first pulverized and transported with air to a separator. The separated solids are temporarily accumulated and fed to one or more dry solids pump which continuously discharge the compact solids at high pressure into a gas mixing chamber. The compact solids are mixed with transport air as a dense phase for transport to the high pressure combustor.

REFERENCES:
patent: 2916217 (1959-12-01), Yellott
patent: 4036564 (1977-07-01), Richards
patent: 4067666 (1978-01-01), Richards
patent: 4164124 (1979-08-01), Taylor et al.
patent: 4244528 (1981-01-01), Vlnaty
patent: 4335733 (1982-06-01), Richards
patent: 5048761 (1991-09-01), Kim
"Final Technical Report: Development And Phase I: Proof Of Concept Testing Of Conspray Dynamic Sleeve Piston Coal Feeder", D. O. E. Contract DE-AC21-80MC14603, by Conspray Construction Systems, Inc., Jun. 30, 1982.
"Conspray Dynamic Sleeve Position Coal Feeder: Operational Description And Test Program Results", Presented to American Institute Of Chemical Engineers, by Conspray Construction Systems, Inc, Jun. 7-9, 1982.

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