Mineral oils: apparatus – Vaporizing – Tubular
Patent
1989-09-28
1991-03-12
Woodard, Joye L.
Mineral oils: apparatus
Vaporizing
Tubular
196116, 422197, 422204, C10G 920
Patent
active
049990896
ABSTRACT:
A cracking furnace for thermal cracking of hydrocarbon feedstocks has a central burner provided vertically at the center of the ceiling of a combustion chamber, side burners provided vertically at both sides of the central burner, and reaction tubes vertically arranged between the central burner and resepctive side burners. The reaction tubes are arranged in rows along the longitudinal direction of the chamber and form arch bands at the lower part of the combustion chamber. A combustion gas-inducting duct is provided at the bottom of the chamber, a quenching heat exchanger is provided at the upper part of the chamber, and a reaction tube exit header is provided for connecting a plurality of exits of the reaction tubes to the quenching heat exchanger.
REFERENCES:
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patent: 2127815 (1938-08-01), Gullette
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patent: 3257172 (1966-06-01), Kao et al.
patent: 3407778 (1968-10-01), Hallee et al.
patent: 3469946 (1969-09-01), Von Weisenthal
patent: 3672847 (1972-06-01), Esselink
patent: 4405564 (1983-09-01), Herbort et al.
Petrochemical Report, "Millisecond Furnaces Can Increase Olefin Plant Profitability", Oil & Gas Journal, Apr. 6, 1981, pp. 121, 123, 124, 129, 130.
Hokkedo Mamoru
Kitayama Yutaka
Nakase Noriaki
Yamamoto Etsuji
Yoshida Masahiko
Mitsui Engineering & Shipbuilidng Co., Ltd.
Mitsui Petrochemical Industries
Woodard Joye L.
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