| 摘要 |
<p>The invention relates to the field of fishery, namely to a fish spawn incubation and larvae storage device.The device, according to the invention, comprises an incubation container (1) with cover (2) and inclined bottom (3), a water supply pipe (9), mounted on the cover, drawndown pipes (5, 6), a centrifugal rotor (11) made perforated with blades (12) provided with feathers (13), an appliance (7) for placement of the spawn nest (8). On the water supply pipe (9) is mounted a device (15) for pulse supply of water, comprising a vertically placed cylindrical body (16), equipped outside with a tubular elastic membrane (17) and inside with a bullet valve (18) with a spring (19). At both ends of the cylindrical body (16) are made internal threads (20) for connection to the water supply pipe (9) and external annular grooves (21) for fixation of the tubular membrane (17) by means of fixtures (22). Along the cylindrical body (16) are made vertical slots (23) for water passage, the bullet valve (18) is placed with the possibility of closing the lower end of the cylindrical body (16), and the spring (19) is fixed with one end to the bullet valve (18), and with the other end to the inner side of the tubular membrane (17).</p> |
