G - Physics – 21 – C
Patent
G - Physics
21
C
60/46
G21C 17/00 (2006.01)
Patent
CA 1268046
ABSTRACT OF THE DISCLOSURE: This invention relates to a control system for heat supply as hot water from nuclear power plants equipped with condensation units. This leads to the increased efficiency of the nuclear power plant on the basis of heat extraction from the turbine and its utilization for district heating with hot water as agent. The system requires a turbine nonadjustable bleeding through which a steam flow is extracted. A flow nozzle for steam flow measurement is provided on the steam transport line, a pressure transducer which sends a signal to a comparing and control unit which receives also a signal from another pressure transducer located on the turbine first stage. The comparing and control unit actuates the motorized steam and condensate valves, performing the turbine protection in case that the steam flow extracted at the nonadjustable bleeding exceeds the allowed limit. The delivered heat control is performed indirectly by water flow variation in the seconary circuit of district heating by means of a motorized control valve. This control valve is controlled by means of a heat calculation unit which receives signals from a flow transmitter and two thermoresistances.
529821
Bogdan Horia
Ionescu Ion
Marinescu Radu
Salgian Margarios
Samoila Serban
Bogdan Horia
Institutul de Studii Si Proiectari Energetice
Ionescu Ion
Marinescu Radu
Robic Robic & Associes/associates
LandOfFree
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