FIELD: power engineering.
SUBSTANCE: invention relates to power engineering and may be used in heating systems of residential premises, and also in heaters for various technological processes. The substance of the invention is in the fact that a source of heat energy is a circulating pump with a wet rotor, in which during circulation of coolant partially to 95% they close an inlet and/or an outlet cut-off valve.
EFFECT: method to generate heat will make it possible to increase efficiency factor of a plant due to reduction of heat losses during pump operation.
1 dwg
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