Gas: heating and illuminating – Processes – Fuel mixtures
Patent
1982-06-09
1983-04-05
Kratz, Peter F.
Gas: heating and illuminating
Processes
Fuel mixtures
48203, 48210, C10J 300
Patent
active
043789749
ABSTRACT:
A method is disclosed for initiating operation of a coal gasification plant which includes a gasification reactor and gas cleansing apparatus fabricated in part from materials susceptible to chloride induced stress corrosion cracking the presence of oxygen. The reactor is preheated by combusting a stoichiometric mixture of air and fuel to produce an exhaust gas which is then diluted with steam to produce product gas which contains essentially no free oxygen. The product gas heats the reactor to a temperature profile necessary to maintain autothermic operation of the gasification process while maintaining air oxygen-free environment within the plant apparatus while chlorine is liberated from coal being gasified.
REFERENCES:
patent: 3990865 (1976-11-01), Cybriusky et al.
patent: 4113445 (1978-09-01), Gettert et al.
patent: 4318713 (1982-03-01), Lee et al.
patent: 4353712 (1982-10-01), Marion et al.
Gordon, "The Effect of Chloride and Oxygen on the Stress Corrosion Cracking of Stainless Steels", Review of Literature, Nat'l Assoc. of Corrosion Engr. Apr. 1980.
NACE Standard RP-01-70, "Protection of Austenitic Stainless Steel in Refineries against Stress Corrosion, Cracking by use of Naturalizing Solutions During Shutdown", Oct. 1970.
Farnia Khosrow
Petit Peter J.
Allis-Chalmers Corporation
Conrad Timothy R.
Kratz Peter F.
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