Apparatus and method for improved utilization of steam-to-steam

Details Apparatus and method for improved utilization of steam-to-steam Apparatus and method for improved utilization of steam-to-steam

1988-01-28

1989-05-02

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Power system involving change of state

60679, F01K 738, F01K 722

Patent

active

048256579

ABSTRACT:
An improved method of heating feedwater streams in a steam-to-steam reheating system for turbine generators is disclosed in which a drain cooler is located to receive the reheater drain and pass it in heat exchange relationship with the discharge of the highest pressure feedwater heater. By use of the drain cooler, heat rate improvement is effected on both single stage reheat plants and two-stage reheat plants. Cycle impairment from moisture carryover in the moisture separator/reheater is also reduced.

REFERENCES:
patent: 3930371 (1976-01-01), Schabert
patent: 4637350 (1987-01-01), Horibe et al.

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