Flexible underwater storage tank

The utility model discloses a flexible underwater storage tank, its characterized in that: including the hollow unit jar body, the unit jar body is including flexible shell, flexible shell includes inner bag layer, casing ply and external?coating from inside to outside in proper order, and unit jar body top is provided with to be advanced oil pipe and go out oil pipe with the internal portion's cavity of unit jar is linked together. The beneficial effects of the utility model are that: the utility model discloses an aggregate erection is carried out to form with the cell cube, the fluid pollution problem has been overcome, the poor problem of sea water ballast buoyancy has been solved to the flexible jar of body, the corruption of flexible jar of physical stamina adaptation fluid of rubber, and have with nice and warm heat preservation function, the unit jar body can carry out a plurality of connection in series -parallel installation and realize single?control, a plurality of safety protection designs of pre