Hot blast stove and method of operation

Details Hot blast stove and method of operation Hot blast stove and method of operation

1975-09-10

1977-05-10

Camby, John J.

Heating

Heat generating means heats heat storage mass of solid material

Dividing wall in casing forms combustion and heat storage...

432216, 432 30, 432 40, 266139, F24H 700

Patent

active

040225739

ABSTRACT:
Intercrystalline stress corrosion of the walls of heat exchangers employed to produce hot air for injection into a blast furnace, particularly the wall of the passage interconnecting the combustion and heat exchange chambers, is avoided by eliminating pressure differentials across the walls. Also, the walls of the heat exchanger are heated to a temperature above the condensation point of deleterious vapors present or formed in the apparatus to thereby further minimize the possibility of occurrence of stress corrosion.

REFERENCES:
patent: 1168014 (1916-01-01), Landgrebe
patent: 1464115 (1923-08-01), Steudel
patent: 1771306 (1930-07-01), Nelson
patent: 1895235 (1933-01-01), Simon
patent: 3241823 (1966-03-01), Pentek
patent: 3297310 (1967-01-01), Pentek
patent: 3902844 (1975-09-01), Higashi

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