Method of preheating hydrocarbons for thermal cracking
Patent
·
OSTI ID:6890630
A cracking furnace has a radiant heating zone provided with fuel-fired burners through which a preheated feedstock is passed, combustion gases from the radiant heating zone passing into a convection zone before being discharged from said furnace. The convection zone is provided with heat-exchanger means for preheating said feedstock. The heat-exchanger means in the convection zone is subdivided into a plurality of functionally separated heat-exchanger bundles and the feedstock is passed selectively through the bundles in accordance with the composition of the feedstock.
- Assignee:
- Linde Ag (Germany, Federal Republic Of) Selas Corp Of America
- Patent Number(s):
- US 4361478
- OSTI ID:
- 6890630
- Country of Publication:
- United States
- Language:
- English
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