FIELD: fishery, in particular, equipment for increasing water temperature in commercial ponds and reservoirs.
SUBSTANCE: apparatus has heat production source using fuel, and device for transferring heat into water mass. Heat production source is catalytic heater located within casing, and device for transferring heat into water mass is made in the form of heat tubes built with their one ends into casing side walls adjoining catalytic heater.
EFFECT: effective increasing of water temperature, uniform distribution of heat within water mass and reduced consumption of power.
9 cl, 3 dwg
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