TANK FOR FISH FARMING

A tank (1) for fish farming, wherein the tank (1) comprises: a. a polygonal or circular ring pontoon (2) forming the lower part of the tank, b. sidewalls (4) being substantially vertically arranged onthe ring pontoon (2) to form a substantially vertically arranged tubular member having a circular or polygonal cross section, and c. vertical columns (3) being arranged perpendicular upwards on the ring pontoon (2) and being connected to the sidewalls (4), and extends from the ring pontoon to the top of the sidewalls, where the ring pontoon and the vertical columns comprise closed buoyance elements, and where the ring pontoon is adopted to be ballasted by means of water being pumped into the buoyance element(s) therein, is described. 描述了用于鱼类养殖的罐(1)，其中，罐(1)包括：a.多边形或圆形的环形浮箱(2)，该多边形或圆形的环形浮箱形成罐的下部部分；b.侧壁(4)，该侧壁被基本上竖向地布置在环形浮箱(2)上，以形成具有圆形或多边形截面的基本上竖向地布置的管状构件；以及·c.竖向柱(3)，该竖向柱被垂直向上地布置在环形浮箱(2)上并且与侧壁(4)连接，并且从环形浮箱延伸到侧壁的顶部，其中，环形浮箱和竖向柱包括封闭的浮力元件，并且其中，环形浮箱被用于通过使水被泵入其中的浮力元件来进行压载。