Condenser for the water-steam loop of a power plant, in particul

Details Condenser for the water-steam loop of a power plant, in particul Condenser for the water-steam loop of a power plant, in particul

1988-05-03

1990-09-25

Ford, John

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

165112, 165113, 60661, 60686, F28B 1100, G01D 500, F22D 150

Patent

active

049586793

ABSTRACT:
A condenser for the water-steam loop of a power plant includes a condensate-filled lower portion. A heating pipe system is disposed in the lower portion and nozzles are disposed on the heating pipe system through which heating condensate or heating steam is forced into the condensate for heating the condensate and thereby expelling dissolved gases from the condensate. A heating valve is connected to the heating pipe system and a proportional regulator is connected to the heating valve for adjusting heating output of the heating pipe system through the quantity of hot condensate or hot steam. A measurement variable converter connected to the proportional regulator acts upon the proportional regulator at least as a function of oxygen content of the condensate and as a function of subcooling of the condensate, the subcooling being equal to the difference between the temperature of the condensate and the temperature of condensation of steam to be condensed. A vacuum pump communicates with the lower portion for removing expelled gases by suction. The measurement variable converter feeds a measurement result to the proportional regulator causing opening of the heating valve only as long as the vacuum pump is in operation.

REFERENCES:
patent: 1522290 (1925-01-01), Ehrhart
patent: 3094165 (1963-06-01), Droescher
patent: 3362132 (1968-01-01), Schellenberg
patent: 3660980 (1972-05-01), Knirsch et al.
patent: 3698476 (1972-10-01), Wyzalek et al.
patent: 4220194 (1980-09-01), Shade, Jr. et al.
patent: 4365476 (1982-12-01), Masuda et al.
patent: 4592419 (1986-06-01), Ishida et al.

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