Method of heat recovering from high temperature thermally cracke

Details Method of heat recovering from high temperature thermally cracke Method of heat recovering from high temperature thermally cracke

1979-03-30

1980-11-11

Kratz, Peter F.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

48197R, 48210, 48211, 122 7R, 201 41, 585950, C10G 916, C10J 386

Patent

active

042331374

ABSTRACT:
A method for recovering sensible heat from a thermally decomposed high temperature hydrocarbon gas product in the form of high pressure steam of from 40 to 100 kg/cm.sup.2 has been discovered. This method comprises pre-cooling at first the thermally decomposed gas product of high temperature by mixing said gas product with sprayed low temperature hydrocarbon oil as a quenching oil to a temperature of about 300.degree. to 400.degree. C.; and then passing the mixture through the tubes of a shell-and-tube type heat exchanger so as to transfer the heat of said resulting mixture into a high pressure water flowing through the space of the shell side thereof to recover a high pressure steam, followed by separating the condensed hydrocarbon oil from the mixture to reuse said oil by recirculation.

REFERENCES:
patent: 2904502 (1959-09-01), Shapleigl
patent: 2928886 (1960-03-01), Nisbet et al.
patent: 3329735 (1967-07-01), Paul et al.
patent: 3647907 (1972-03-01), Sato et al.
patent: 3676519 (1972-07-01), Dom et al.
patent: 3725491 (1973-04-01), Voigt et al.
patent: 4150716 (1979-04-01), Ozaki et al.

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