Heating – Processes of heating or heater operation – Including apparatus purging – cleaning or accretion preventing
Patent
1974-08-08
1976-03-30
Camby, John J.
Heating
Processes of heating or heater operation
Including apparatus purging, cleaning or accretion preventing
252373, 432 29, 23288F, F24D 2302
Patent
active
039472345
ABSTRACT:
A method of raising the temperature of a reducing gas containing a CO component for avoiding the problems caused by soot inevitably generated in raising the temperature of the reducing gas. In heating the reducing gas to a temperature higher than 500.degree.C, the rate of raising the temperature of the reducing gas is kept higher than 350.degree.C/sec. during the time the temperature of the gas is being raised through the range of 500.degree. - 750.degree.C, while the flow velocity of the reducing gas is kept higher than 7 m/sec.
REFERENCES:
patent: 2441594 (1948-05-01), Ramseyer
patent: 3351684 (1967-11-01), Lincoln
patent: 3472498 (1969-10-01), Price et al.
patent: 3475510 (1969-10-01), Newman et al.
patent: 3527288 (1970-09-01), Guthrie
patent: 3768982 (1973-10-01), Kitzner et al.
Hattori Masayuki
Kanbara Kenjiro
Yoda Jihei
Camby John J.
Nippon Steel Corporation
Yuen Henry C.
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