Method and apparatus for cooling thermally cracked hydrocarbon g

Details Method and apparatus for cooling thermally cracked hydrocarbon g Method and apparatus for cooling thermally cracked hydrocarbon g

1982-09-30

1983-08-09

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

585950, 585650, 422201, 165146, 165174, 208130, F28F 1900, C07C 404

Patent

active

043977405

ABSTRACT:
The flow of cracked gases, for example, from an ethylene plant through the tubes of a transfer line heat exchanger is equalized by employing larger cross-section tubes in the outer portion of the exchanger and smaller cross-section tubes in the inner portion of the exchanger thereby preventing, or substantially minimizing, build-up of coke deposits in the exchanger, especially in the inlets of the tubes in the outer portion where coke formation conventionally occurs.

REFERENCES:
patent: 1725322 (1929-08-01), Vezie
patent: 3081823 (1963-03-01), Constantikes
patent: 3552487 (1971-01-01), Tokumitsu et al.
patent: 3682241 (1972-08-01), Clauss et al.
patent: 3764634 (1973-10-01), Ozawa et al.
patent: 4097544 (1978-06-01), Hengstebeck
patent: 4151217 (1979-04-01), Amano et al.

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