Importance

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Abstract

A moisture separator reheater apparatus having a shell member and a plurality of tube members situated therein with the shell member having a plurality of cycle steam inlets and a plurality of cycle steam outlets disposed on opposite sidewalls. The tube members are disposed longitudinally in the shell member and include an inlet pass and an outlet pass with the inlet pass receiving a heating fluid on its interior while being exposed to cool cycle steam on its exterior. The outlet pass is situated between the inlet pass and the cycle steam outlets, with the outlet pass receiving on its interior heating fluid which has previously flowed through the inlet pass while being exposed to heated cycle steam from the inlet pass on its exterior. All inlet passes receive heating fluid from a common source. A distributing manifold may be disposed within the shell adjacent the cycle steam inlets for distributing entering cycle steam transversely and longitudinally within the shell to a moisture separator structure which is situated between the distributing manifold and the inlet passes. The cycle steam may be heated in a plurality of stages by connecting the cycle steam outlets of one shell with the cycle steam inlets of a different shell and providing the inlet passes of each succeeding shell downstream from the first shell with heating fluid of increasing temperature.

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First Claim