FIELD: agriculture.
SUBSTANCE: proposed device consists of direct-flow dead-end channel, aerator-flow developer and a trap. The direct-flow dead-end channel has a fish-receiving chamber and two aerator-flow developers. One aerator is fitted on the channel in front of the inlet of the fish-receiving chamber. The second aerator-flow developer with the same or less power and the trap are located in the channel at the outlet of the fish-receiving chamber. The seine fishing ground is inside the fish-receiving chamber. The fish-receiving chamber is formed by widening and deepening the direct-flow dead-end channel. The dead-end channel lies between the first and second aerator-flow developers.
EFFECT: such a design reduces electrical energy needed for preventing suffocation of fish, increases the hibernating area of the fish and increases the field of application of the device.
2 cl, 1 dwg
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