Patent ID: 9193945
Filing Date: 2015-11-24
Classification: B01F,C12M,Y02E

Abstract:
1. A servicing device comprising: a stationary servicing unit and a stationary servicing section provided to be employed in a biogas plant, the biogas plant having at least one fermenter tank including a fermentation section with a fermenting substrate, and a gas section at an interior space of the fermenter tank which the fermenter tank is closed substantially gas-tight by at least one gas closing wall disposed at the fermenter tank, at least one sealing device is provided which is suitable to effect a substantially gas-tight separation of the servicing section from the gas section, the sealing device includes at least one retention wall of a flexible material having an end, and when installed as intended, said end of said at least one retention wall is movable at least between an inoperative position outside of the fermenter tank, and a sealing position inside the fermenter tank, wherein the retention wall is fully contracted in the inoperative position and not in contact with the fermentation section, and moves to a telescoped position in the sealing position in which the retention wall reaches the surface of the fermentation section and is at least partially immersed in the fermenting substrate.