FISH BASIN FOR INTENSIVE FISH-FATTENING AND PROCES

专利名称：FISH BASIN FOR INTENSIVE FISH-FATTENING AND PROCESS FOR OPERATINGSUCH A FISH BASIN

发明人：HARTUNG, CHRISTOPH申请号：EP87904038.4申请日：19870610公开号：EP02700B1公开日：19920122

摘要：PCT No. PCT/EP87/00302 Sec. 371 Date Feb. 11, 1988 Sec. 102(e) Date Feb. 11,1988 PCT Filed Jun. 10, 1987 PCT Pub. No. WO87/07475 PCT Pub. Date Dec. 17,1987.Intensive fish fattening in open waters is increasingly disturbed by deposits ofharmful substances. Fish fattening in artificial ponds is uneconomic because of theconsiderable outlay in terms of the fresh water and area required. These disadvantagescan be overcome by a specially designed fish tank and a new process for operating suchfish tanks. The fish tank (10) has, in its longitudinal center axis, a pit (11), into which a filler(31) with vertically extending flow channels (37) is placed. The fish water, together with anair/oxygen mixture, is circulated through these flow channels approximately 30 times perhour. The fish water is purified (nitrified) biologically according to the adhesive activated-sludge process by micro-organisms adhering to the filler. 50 to 500 liters of fresh waterper kg of growing fish are added to the fish water, depending on the type of fish.

申请人：METZ MANNHEIM GMBH,METZ MANNHEIM GMBH

地址：FRIEDRICH-ENGELHORN-STRASSE 5-9; W-6800 MANNHEIM 1,FRIEDRICH-ENGELHORN-STRASSE 5-9; W-6800 MANNHEIM 1

代理机构：Meyer-Roedern, Giso, Dr.

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