| 摘要 |
The invention concerns a device for a submersible machine, such as a pump, a turbine or a mixer. The machine comprises a driving unit (1) and a hydraulic unit (2) having an impeller connected to the driving unit via a rotary shaft (3). In order to prevent the medium in the hydraulic unit from entering the driving unit along the driving shaft, an intermediate seal device is arranged The seal device comprises two mechanical face seals (5) and (6) and an intermediate room (7) containing barrier liquid. In order to prevent possible leaking barrier liquid from damaging the shaft bearing (4), a storage tank (9) for collecting said liquid is arranged within the room (7) <IMAGE> |
