PURPOSE: To provide the treatment device equipped with an efficient fermentation tank with which fermentation products having stable quality are obtainable and which is small in the ratio of an empty volume by connecting a wall surface and base by a moving device and means of a cylinder, moving the wall surface and the base back and forth and disposing air suction and feed pipings arriving at the bottom or flanks from the upper part of the fermentation tank.
CONSTITUTION: The fermentation tank 14 of the fermentation treatment device for org. waste 1 is formed by providing a stand 19 which is provided with a take-out port 3 at the rear end, a housing part 18 which is opened at the front surface and is provided with side walls, a ceiling wall and rear wall, the freely forward and backward movable bottom plate 6 which is provided narrower in width than the height of the side walls of the housing part 18 on the stand 19 and is divided to plural sheets, the wall surface 16 which intersects orthogonally with the bottom plate 6 of the front surface of the housing part 18, moves back and forth independently from the bottom plate 6 and closes the opening part of the housing part 18 and auxiliary plates 20 which are erected in both side parts of the wall surface 16. The moving device 7 is provided near the wall surface 16 of the fermentation tank 14. The moving device 7, the wall surface 16 and the bottom plate 6 are connected by the cylinder 15 to move the wall surface 16 and the bottom plate 6 back and forth. The air suction and feed pipes 10 arriving at the bottom and the flanks from the upper part of the fermentation tank 14 are arranged.
IKEMOTO ISAMU
TANAKA TOSHIO
TAKAHASHI KAZUTO
NAGASAKIYA SHIYUNICHI
HITACHI KASEI TECHNO PLANT KK
HITACHI CHEMICAL CO LTD