SYSTEM WITH RECIRCULATED WATER FOR GROWING PIKEPERCH JUVENILES

摘要

The invention relates to a system with recirculated water used for intensively growing pikeperch during the first six months of life. According to the invention, the system comprises two units () for growing pikeperch juveniles and for conditioning the water, respectively, the first unit () being provided with fish pools () for growing the pikeperch juveniles, said pools being manufactured of polyester resins reinforced with glass fibres and provided with fish-tanks (), made of a mesh of synthetic material having a lower part () detachable by means of a slide fastener (), fixed on a frame () made of polypropylene which is also used for fastening some spray nozzles () in the proximity of some pipes () for supplying with pressurized water, whereto the water comes from a hydrophore set (), the second unit () being provided with a drum filter () for the mechanical filtration, a pool () for storing the filtered water, two float-controlled submersible pumps (), an installation () for sterilizing the water with ultraviolet radiation, a biologic filter () with nitrifying role, two air pumps () and an installation () for thermal conditioning of water.