C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
196/171
C01B 3/00 (2006.01) C10G 9/00 (2006.01)
Patent
CA 1062643
ABSTRACT OF THE DISCLOSURE A method for recovering sensible heat from a thermally decomposed high temperature hydrocarbon gas product in the form of high pressure steam of from 40 to 100 kg/cm2 has been discovered. This method comprises pre-cooling at first the thermally decomposed gas product of high temperature by mixing said gas product with sprayed low temperature hydro- carbon oil as a quenching oil to a temperature of about 300 to 400°C; and then passing the mixture through the tubes of a shell-and-tube type heat exchanger so as to transfer the heat of said mixture into a high pressure water flowing through the space of the shell side thereof to recover a high pressure steam, followed by separating the condensed hydrocarbon oil from the mixture to reuse said oil by recirculation.
245119
Fukuhara Akinobu
Hosoi Takuji
Kiyoji Ozaki
Sagi Yasuo
Chiyoda Chemical Engineering And Construction Co.
Kureha Kagaku Kogyo Kabushiki Kaisha
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