FIELD: physics.
SUBSTANCE: invention relates to microwave engineering, particularly, to microwave devices intended for electrothermal treatment of vegetal raw materials in industrial plants. Device in the form of a vacuum rectangular working chamber with two sluice flaps is equipped with rotating radiating antennae placed on opposite vertical walls, which are spaced apart in levels, as well as using microwave heating frequency of 915 MHz. Microwave energy from magnetron module with frequency of 915 MHz is supplied to UHF emitters along waveguide path for heating of vegetal raw material to temperature of 85…95 °C.
EFFECT: technical result consists in increase in uniform distribution of electromagnetic field inside chamber.
1 cl, 3 dwg
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