| 摘要 |
A climbing film heat exchange apparatus and particularly an evaporator is provided wherein a turbine is mounted on the shaft of the evaporator so that it is not necessary to provide a fluid seal on the shaft and, in some embodiments, the heat employed to drive the turbine also serves as part or all of the heat supplied to the apparatus for the heat treatment. In some embodiments of the invention wherein a hydrocarbon fluid is employed and it is desired to recover water, the water of combustion is recovered as part of the desired product.
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