Method and system for starting up a continuous flow steam genera

Details Method and system for starting up a continuous flow steam genera Method and system for starting up a continuous flow steam genera

1998-02-02

1999-11-16

Nguyen, Hoang

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60656, 110101C, 110101CF, 110101CB, F01K 1302

Patent

active

059836393

ABSTRACT:
A continuous-flow steam generator includes a combustion chamber having a number of burners for a fossil fuel and a gas-tight containment wall formed from at least approximately vertically disposed evaporator tubes through which a flow passes upwards from below on the feed-water side. A method and a system for starting up the continuous-flow steam generator avoid start-up losses by setting a water level in the evaporator tubes and a ratio of the fuel stream to the feedwater stream in such a way that the water evaporates completely during passage through the evaporator tubes, so that water is no longer present at the evaporator outlet. A start-up system having a setting device for setting the water level in the evaporator and for setting the ratio of the fuel stream to the feed-water stream, is used for this purpose.

REFERENCES:
patent: 4072182 (1978-02-01), Cheng
patent: 5535687 (1996-07-01), Khanna
patent: 5560209 (1996-10-01), Kienbock et al.

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