Coil wound heat exchanger
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United States of America Patent
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Jan 24, 2023
Grant Date -
Nov 11, 2021
app pub date -
May 5, 2020
filing date -
May 5, 2020
priority date (Note) -
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Abstract
A coil-wound heat exchanger with mixed refrigerant shell side cooling that is adapted to reduce radial temperature maldistribution by providing tube sheets at one end of a warm bundle that are each connected to tube sheets in a single circumferential zone and are in fluid flow communication with a control valve. Tube sheets at the other end of the warm bundle are each connected to tube sheets in a single radial section and in multiple circumferential zones. A temperature sensor is provided in each circumferential zone. When a temperature difference is detected, one or more of the control valves is adjusted to reduce the temperature difference.
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