In-line ultrapure heat exchanger
A heat exchanger includes a plurality of tubes (20, 170, 210, 320) wherein at least some of the tubes are elliptical or oval in cross section and each tube includes a longitudinal axis. Each elliptical tube includes a major axis (C) and a minor axis (D). The plurality of tubes is arranged in a radia...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A heat exchanger includes a plurality of tubes (20, 170, 210, 320) wherein at least some of the tubes are elliptical or oval in cross section and each tube includes a longitudinal axis. Each elliptical tube includes a major axis (C) and a minor axis (D). The plurality of tubes is arranged in a radial pattern such that the major axes of the elliptical tubes intersect a centerline (CL) of the heat exchanger. The plurality of tubes is thermally connected to a heater mount (12, 202, 312). A heater (46, 446) is thermally connected to the heater mount. A securing element (48) holds the plurality of tubes, the heater and the heater mount together. A tube liner (60, 82, 92, 112, 152) can extend along the longitudinal axis of at least one of the elliptical or oval tubes of the plurality of tubes. If a tube liner is employed, a purge fluid flow channel (66, 86, 96, 118) is defined between an outer periphery of the tube liner and an inner periphery of the at least one of the elliptical or oval tubes of the plurality of tubes. |
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