Stirrer frame and agitator assembly for fermenter, fermenter, biogas plant, biogas production process and fermenter conversion process

摘要

The invention relates to a stirrer frame (12) and a stirrer arrangement (3) for a fermenter (1), wherein the stirrer frame (12) comprises: - one or more bearing receptacles which are respectively mounted on the stirrer frame (12) for receiving a preferably upper stirrer shaft bearing or substantially vertical mounting of a stirrer shaft is or are formed, - one or more drive receivers, which are each assigned to one of the bearing receptacles and formed on the agitator frame (12) for receiving a stirring drive for the respective agitator shaft, and an anchoring device ( 19) for anchoring the agitator frame (12) relative to a fermenter body (2) of the fermenter (1) such that the agitator frame (12) together with agitator shaft / -n and stirring drive / -en completely within the fermenter body (2), preferably above a maximum Substratfüllhöhe, is receivable, is formed. The invention further relates to a fermenter with an agitator arrangement according to the invention, a biogas plant with at least one fermenter according to the invention, a process for producing biogas with a fermenter according to the invention and a process for converting a fermenter by incorporating a stirrer frame according to the invention.