| 摘要 |
PCT No. PCT/US97/04561 Sec. 371 Date Apr. 11, 1997 Sec. 102(e) Date Apr. 11, 1997 PCT Filed Mar. 8, 1997 PCT Pub. No. WO97/34107 PCT Pub. Date Sep. 18, 1997A heat recovery system has with a first tube bundle for circulating a first fluid, a second tube bundle for circulating a second fluid, and a shell which accommodates the tube bundles arranged in the shell, so that when a third fluid is circulated through the shell it contacts the tube bundles for a heat transfer between the third fluid and the two first-mentioned fluids, to provide a heat transfer between three fluids.
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