| 摘要 |
PURPOSE:To increase the amount of oxygen dissolved in water and produce a water flow in a water tank by attaching a double nozzle to the discharge pipe of a water pump in water of an alive fish water tank, arranging a both ends-opened guide pipe outside the double nozzle, and supplying oxygen into the outer cylindrical nozzle. CONSTITUTION:A double nozzle 9 is placed in water of an alive fish water tank, and a discharge nozzle 3 is connected to discharge pipe 1 of a pump device. Oxygen from an oxygen bomb is supplied into an outer cylindrical nozzle 4 through an oxygen pipe 6. The outside of the outer cylindrical nozzle is surrounded by a guide pipe 5, both the ends of which are opened to pass through water. |
