Device for concentrating and collecting seaweeds scattered at bottom of water, has suction opening placed in bottom of input opening, and upper wall and two side walls made of perforated material, water filter and water sieve
The device (1) has an upper wall (10) that is prolonged on both sides by two side walls (11, 11'). A width of upper wall decreases from an input opening (13) until the bottom of the input opening. A suction opening is placed in the bottom of the input opening. The upper wall and the two side walls are made of a perforated material, water filter and water sieve. The perforated material presents a percentage of void of about 50%. The sieve is provided with rectangular meshes. An independent claim is also included for an installation for collecting seaweeds scattered at the bottom of water.L'invention concerne un dispositif de concentration et de collecte d'algues marines éparses au fond de l'eau. Conformément à l'invention, ce dispositif présente la forme d'une portion d'entonnoir, il comprend une paroi supérieure (10) qui se prolonge de part et d'autre par deux parois latérales (11, 11'), la largeur de ladite paroi supérieure diminue depuis l'embouchure d'entrée (13) dudit dispositif jusqu'au fond (12) de celui-ci, un orifice d'aspiration (120) étant ménagé dans ledit fond (12), et lesdites parois (10, 11, 11') sont réalisées en un matériau ajouré, filtrant l'eau, formant tamis.
