FIELD: heating.
SUBSTANCE: device for preventing deposit formation in a heat exchanger comprises a device receiving signals from a temperature sensor mounted on the outlet pipe line of the heat exchanger second stage, a control device which determines operation of a mechanical oscillation unit and a unit that impacts on the heat-carrying medium. Unit that impacts on the heat-carrying medium is mounted on the outlet pipe line of the heat exchanger first stage comprises a housing with a passage opening for the heat-carrying medium passage. Sleeve of insulating material is rigidly connected to the housing. Two solenoid windings are fixed on the sleeve. Each winding is equipped with a current sensor. There is a hollow rod inside the insulating sleeve. Rod consists of two parts: a ferromagnetic and a diamagnetic. Rod has ability to move horizontally under the impact of electromagnetic winding fields inside the sleeve in opposite directions so that the diamagnetic rod part opened or overlapped the through opening of the housing.
EFFECT: reduction of generated capacity and reduction of windings heating.
2 dwg
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