YEAR-ROUND FISH FEEDER

摘要

FIELD: fishery. SUBSTANCE: fish feeder has sections defined by heat-insulating walls covered with evaporation preventing mats. Heat pumps are used as warm water sources. Fish passages are made in lower part of walls. Stepped heating in young fish section is provided by openings of different height made in dividing walls between sections. Openings in young fish sections are covered with net having cells sized to prevent large fish from passing through them. EFFECT: increased efficiency and reduced power consumption. 4 cl, 2 dwg