FIELD: chemistry.
SUBSTANCE: invention relates to power engineering, namely, to process control devices for provision of reliable operation of equipment of power plants by means of control means of water-and-chemical modes of process circuits. System of chemical control of power plant, including at least one sensor of electrochemical indicator of heat carrier, electrically connected to unit of processing and transmission of measurement data, output of which is connected to central electronic computer, controlling actuators for input of hydrogen and chemical reagents, characterized by that sensor of electrochemical indicator of heat carrier is made flowing, by hydraulic inlet is connected by tube for sampling to process circuit of power plant, and the hydraulic output of the electrochemical indicator of the heat carrier is hydraulically connected in series to the first heat exchanger and the first throttling device provided with a reverse heat carrier feed circuit.
EFFECT: technical result is longer service life of electrochemical sensors, while maintaining obtaining reliable values of normalized and diagnostic indicators of aqueous media of process loops.
6 cl, 3 dwg
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