Fermenter wall (2-6) of a fermenter tank of a biogas plant comprises juxtaposed rows of trapezoidal plates, whose profile structure is vertically aligned

摘要

Fermenter wall (2-6) of a fermenter tank of a biogas plant comprises juxtaposed rows of trapezoidal plates, whose profile structure is vertically aligned. The juxtaposed trapezoidal plates are used form closed with an upper edge region and a lower edge area respectively into U-shaped cross-sections, which are facing towards each other, of an upper U-shaped beam and a lower U-shaped beam. The depth of the trapezoid plates is equal to the mouth width of the U-shaped cross-sections of the U-shaped beams. Fermenter wall (2-6) of a fermenter tank of a biogas plant comprises juxtaposed rows of trapezoidal plates (11), whose profile structure is aligned vertically. The juxtaposed trapezoidal plates are used form closed with an upper edge region and a lower edge area respectively into U-shaped cross-sections, which are facing towards each other, of an upper U-shaped beam and a lower U-shaped beam. The depth of the trapezoid plates is equal to the mouth width of the U-shaped cross-sections of the U-shaped beams, so that the parallel walls of the trapezoidal plate in the upper and the bottom region from within are adjacent to the joining points of the U-shaped blades of the U-shaped beams. The trapezoidal plates are screwed at several of these joints respectively with the U-shaped blades of the upper U-shaped beam and the lower U-shaped beam. An independent claim is also included for the fermenter tank comprising the fermenter wall, where (i) the fermentation tank is lined with a sealing film from inside adjacent to the fermenter wall, preferably to insulation panels to the upper side of the upper U-shaped beam, and is covered with a tent roof (7) made of at least one roof film, (ii) the upper U-shaped beam is formed as a wall crown, in which a threaded bolt series (36) protruding upwards with spaced threaded bolt is attached at the U-shaped base, where both the sealing films are mounted above the roof film with an edge-side hole line, and at least one sealing strip with hole line corresponding the threaded bolt series is placed on the threaded bolt, and (iii) at least one sealing strip is screwed in such a way that the sealing film and the roof film are clamped between the U-shaped base of the upper U-shaped beam and the sealing strip, and/or between the sealing strips.