Gas: heating and illuminating – Processes – Fuel mixtures
Reexamination Certificate
2008-05-27
2008-05-27
Caldarola, Glenn (Department: 1797)
Gas: heating and illuminating
Processes
Fuel mixtures
C048S127900
Reexamination Certificate
active
07377951
ABSTRACT:
A steam-hydrocarbon reforming process generating a process gas containing a first amount of heat and a flue gas containing a second amount of heat includes: providing a water heater, a boiler feed water (BFW) preparation system, a boiler, and a BFW heater; feeding water to the water heater; feeding water to the BFW preparation system from the water heater; feeding a first stream of water to the boiler from the BFW preparation system; feeding a second stream of water from the BFW preparation system to the BFW heater; heating at least part of the second stream of water fed to the BFW heater with a first part of the first amount of heat; heating water in the boiler with a second part of the first amount of heat; generating steam at 5-60 psig in the boiler; and heating the BFW preparation system or another internal system with the steam.
REFERENCES:
patent: 2320911 (1943-06-01), Cooper
patent: 3071453 (1963-01-01), James
patent: 3532467 (1970-10-01), Smith et al.
patent: 4576226 (1986-03-01), Lipets et al.
patent: 4693233 (1987-09-01), Meith et al.
Achilles Geoffrey Colling
Herb Blaine Edward
Pham Hoanh Nang
Air Products and Chemicals Inc.
Boyer Randy
Caldarola Glenn
Gourley Keith D.
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