Process and apparatus for cooling coke oven gas

Details Process and apparatus for cooling coke oven gas Process and apparatus for cooling coke oven gas

1978-12-14

1980-12-16

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55222, 55269, 201 30, 165DIG1, 165113, 585800, 585804, B01D 4700

Patent

active

042395119

ABSTRACT:
A two-stage process, and the apparatus for practicing the process, for cooling process gas are disclosed. The process gas is firstly air-cooled by convection to a temperature above the dew point of naphthalene and finally cooled to the desired discharge temperature by heat exchange with a cooling liquid. The condensed portion of the process gas resulting from the first cooling stage may be utilized to flush the gas conduits of the liquid heat exchanger of the second stage, followed by a recirculation of that condensed portion of the coke oven gas either back through the second stage or by introduction into the stream of process gas prior to its introduction into the first cooling stage.

REFERENCES:
patent: 551910 (1895-12-01), Squier
patent: 1858972 (1932-05-01), Snyder
patent: 2022463 (1935-11-01), Evschen et al.
patent: 2127542 (1938-08-01), Stitzer
patent: 2346410 (1944-04-01), Ashley
patent: 2762449 (1956-09-01), Sweeney
patent: 2809717 (1957-10-01), Schmalenbach
patent: 3707185 (1972-12-01), Modine et al.

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