Method for decoking fired heater tubes

Details Method for decoking fired heater tubes Method for decoking fired heater tubes

1978-05-17

1980-05-20

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 8, 134 30, 134 39, B08B 902

Patent

active

042037786

ABSTRACT:
Method of decoking furnace tubes of serpentine configuration using a turbulent stream of impact resistant, non-angular, non-abrasive particles entrained in a gas stream. The particles are entrained at a concentration of 0.1 to 1.0 pounds per pound of gas and the gas is introduced into the inlet end of the furnace tubes at a gas flow rate corresponding to an outlet gas velocity of 14,000 to 20,000 feet per minute.

REFERENCES:
patent: 1939112 (1933-12-01), Eulberg
patent: 2285157 (1942-06-01), Grayson
patent: 3073687 (1963-01-01), McCune
patent: 3082073 (1963-03-01), McAnneny
patent: 3745110 (1973-07-01), Allred
patent: 4048757 (1977-09-01), Kubus et al.

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