Document Type and Number:
Japanese Patent JPS5223632
Kind Code:
B2
Abstract:
Vertical tube type cracking furnace in which a convection-heating section for preheating the process fluid is provided above the combustion chamber, and gas passages connecting the convection-heating section and the combustion chamber are symmetrically provided.
Application Number:
JP3285073A
Publication Date:
June 25, 1977
Filing Date:
March 22, 1973
Export Citation:
International Classes:
B01J14/00; B01J19/00; C10G9/20