FIELD: heat power engineering.
SUBSTANCE: invention can be used in liquid fuel burners using heated mazut, stove or diesel fuel with atmospheric air as oxidizer. Control of power of liquid fuel burner is provided by simultaneously changing delivery of fuel by pulse-width modulation of electromagnetic valve in pressure main line of fuel pump and amount of supplied air by changing speed of electric motor of centrifugal fan through controlled electronic frequency regulator. For accurate maintenance of optimum ratio of amount of fuel and air, is used generating control signals to input of which signals from power setter and correcting transducers are supplied. Outputs of unit are connected with pulse-width modulator and frequency regulator.
EFFECT: provision of quick action, enlarged range of control.
1 dwg
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