Method and device for generating steam

Details Method and device for generating steam Method and device for generating steam

1998-05-15

2000-03-07

Nguyen, Hoang

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60676, 60677, 60679, F01K 734, F01K 1300

Patent

active

060324686

ABSTRACT:
A conventional steam power plant or a combined power plant is provided with intermediate superheating. At least part of the superheated steam in the superheater (3) and the intermediately superheated steam in the intermediate superheater (9) are subject to an indirect heat exchange. The device is characterized in that the superheater (3) and the intermediate superheater (9) are provided with at least one mutual superheater/intermediate superheater heat exchanger unit (19). The unit (19) includes, for example, a double-walled pipe (21) whose inner pipe is provided for the superheater steam flow, and whose outer pipe is provided for the intermediate superheater steam.

REFERENCES:
patent: 2830440 (1958-04-01), Durham
patent: 2867983 (1959-01-01), Armacost
patent: 4887431 (1989-12-01), Peet
patent: 5375410 (1994-12-01), Briesch et al.
patent: 5442919 (1995-08-01), Wilhelm

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