Floor scraper RM10 / RM13


After pro­cess­ing, many organ­ic wastes still con­tain sub­stances that set­tle in the fer­menter (eg stones, sand, bone frag­ments, pieces of glass, egg shells, etc.). For fer­menters to ful­fill their func­tion per­ma­nent­ly, these sus­pend­ed solids must be dis­charged on a reg­u­lar basis. The floor clean­ing sys­tem is used for the con­tin­u­ous dis­charge of sink­ing sub­stances from the fer­menter. The sys­tem con­sists of the patent­ed mechan­i­cal floor scraper, the sed­i­ment dis­charge pump and the sed­i­ment sep­a­ra­tor.

By this sys­tem, the oth­er­wise reg­u­lar­ly required and cost­ly clear­ing of the fer­menter (= busi­ness inter­rup­tion) is avoid­ed.


Due to the patent­ed geom­e­try of the rak­er arms, sus­pend­ed mat­ter is trans­port­ed from the bot­tom of the fer­menter to a dis­charge open­ing, which is embed­ded in the bot­tom of the fer­menter. From there, the sed­i­ment dis­charge pump sucks up the sed­i­ment and con­veys it into the sed­i­ment sep­a­ra­tor.


  • Instal­la­tion of the dri­ve on the tank ceil­ing (RM13, digester with rein­forced con­crete ceil­ing) or on the tank bot­tom (RM10, steel tank)
  • Retro­fitting pos­si­ble with con­tain­er with­out cen­ter col­umn
  • Dri­ve through slow-run­ning plan­e­tary or cycloidal dri­ve
  • Suit­able for fer­menters with­out cen­ter col­umn up to 17 m in diam­e­ter and 20 m in height
  • Gas-tight shaft pas­sage over water cup to 20 mbar
  • Suit­able for oper­a­tion in Ex-zone 2
  • Con­nect­ed load: 0.55 kW, 50 Hz

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