Cyclic velox boiler

Details Cyclic velox boiler Cyclic velox boiler

1984-02-13

1984-11-27

Favors, Edward G.

Furnaces

Process

Treating fuel constituent or combustion product

60 3902, 60670, 110347, 122412, 122452, 122460, F23B 700

Patent

active

044845316

ABSTRACT:
A cyclic velox boiler is described wherein solid carbonaceous fuels are burned in pressure vessel containers by cyclic compression and expansion with air or with air and steam as usual gas reactants. During compression air is forced deeply into the pores of the solid fuel and rapid primary burning to carbon monoxide results due to the large internal pore area available. During expansion the primary reacted gases emerge from the pores to mix and react fully with secondary air retained outside the pores in the container. Rapid and complete burning of the char fuel can be obtained in this two step, cyclic burning process and net useful mechanical work can be obtained from an expander engine. The containers and portions of the expander are cooled with water and the resulting steam can be used to generate additional work output via a steam power cycle.

REFERENCES:
patent: 1913395 (1933-06-01), Karrick
patent: 1992323 (1935-02-01), Ranney
patent: 2225311 (1940-12-01), Lysholm
patent: 2675672 (1954-04-01), Schorner
patent: 2714670 (1955-08-01), Linder et al.
patent: 3734184 (1973-05-01), Scott
patent: 4047901 (1977-09-01), Baron et al.
patent: 4085578 (1978-04-01), Kydd

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