Heat exchanger, especially for cooling cracked gas
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United States of America Patent
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Jul 18, 1989
Grant Date -
N/A
app pub date -
May 11, 1988
filing date -
May 12, 1987
priority date (Note) -
Expired
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Abstract
The gas-conveying pipes (8) of a heat exchanger employed to cool cracked gas are surrounded by and communicate with outer pipes (9). The outer pipes are welded into pipe slabs (4 and 5) and not only a convey a coolant but also secure the pipe slabs (4 and 5), which can accordingly by thin.
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