Xi'an Jiaotong University

Pan Zhang

Qiuwang Wang

Ting Ma

The present discloses a gas-gas high-temperature heat exchanger, including a shell (), a tube sheet (), a low-temperature gas inlet pipeline () and an outlet pipeline (), and a high temperature gas outlet (), the tube is divided into a first heat transfer zone () and a second heat transfer zone (), a low temperature gas () flows in the tube, the tube includes a insert component () and an outer fin (); a heat transfer tube in the second heat transfer zone () has a sleeve structure, a high-temperature gas () flows in the core tube (), the low temperature gas () flows in an annular region between the core tube () and an outer tube (), the high-temperature gas () flows out of the core tube () and flows into the shell-side area of the second heat transfer zone () again.

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Xi'an, China

Pan Zhang