PURPOSE: To send preferred water for live fish into each storing-nourishing water tank to prevent live fish from death by making one of live fish storing-nourishing water tanks a contained water adjusting water tank common to the other live fish storing-nourishing water tanks while providing a circulating-aerating path between the respective storing-nourishing water tanks and adjusting water tank.
CONSTITUTION: Four live fish storing-nourishing water tanks 1 are installed respectively on the left and right broad sides and one contained water adjusing water tank 2 is respectively installed on the left and right broadsides. A nozzle 9 for mixing air sent from a blower 8 is mounted on an inlet port the adjusting water tank having an overflow piping from the respective storing-nourishing water tanks 1 to the adjusting water tanks 2 so that the overflow path also serves as a circulating-aerating path. Also a path for sending water from the adjusting tank 2 through a pump 3 to each storing-nourishing water tank 1 is provided and further a path for taking in new water from the outside is provided with a pump 4, heat exchanger 5, temperature adjusting cooler 6, etc.
KOMATSU TAMIKUNI
FUKUMI HIROKAZU
