Method and apparatus for cooling a cracked gas stream

Details Method and apparatus for cooling a cracked gas stream Method and apparatus for cooling a cracked gas stream

1981-05-18

1984-04-24

Chiesa, Richard L.

Gas and liquid contact apparatus

Contact devices

Liquid spray

208 48Q, 261112, 261116, 422207, B01F 304

Patent

active

044446977

ABSTRACT:
The invention relates to quenching a cracked hydrocarbon gas by passing a cracked gas stream axially through a pipe and injecting a liquid coolant into said pipe through a plurality of circumferentially arranged slots in a swirling manner, the weight ratio of the flow rate of the coolant to the flow rate of the gas stream being in the range of about 2 to about 15 whereby a sufficient amount of the coolant is swept into the gas stream to effectively cool the same. Suitable apparatus comprises a quench pipe formed of two substantially abutting sections, the downstream section being grooved to form with the upstream section of said slots. Preferably the upstream section has an internal circumferentially arranged deflector lip overhanging the slots.

REFERENCES:
patent: 2442898 (1948-06-01), Maguire
patent: 3224215 (1965-12-01), Bramekamp et al.
patent: 3284168 (1966-11-01), Braconier et al.
patent: 3515519 (1970-06-01), Sennewald et al.
patent: 3524630 (1970-08-01), Marion
patent: 3593968 (1971-07-01), Geddes et al.
patent: 3758081 (1973-09-01), Prudhon
patent: 3907661 (1975-09-01), Gwyn et al.
patent: 4058378 (1977-11-01), Saxton
patent: 4121908 (1978-10-01), Raab et al.
Publication of D. L. Emmons, Jr., Titled "Effects of Selected Gas Stream Parameters and Coolant Physical Properties on Film Cooling of Rocket Motors".

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