TIG-Welded Coiled Tube Heat Exchanger for Carbon Capture

TIG welding, or tungsten inert gas welding, enables deep fusion of the tubing and high-purity connections. Material engineering test data indicates that coiled tubes formed using automated TIG welding processes can achieve mechanical strength in the weld zone that consistently reaches over 95% of the base material’s strength. When handling supercritical carbon dioxide, system operating pressures typically range from 20 to 40 MPa. The high-strength, continuous, seamless design completely eliminates the risk of flange seal leakage—a common issue in traditional segmented straight-tube heat exchangers—ensuring the safe operation of high-pressure fluids.

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