BIOCULTIVATOR Russian patent published in 1997 - IPC

FIELD: environment pollution control. SUBSTANCE: this relates to anaerobic purification of effluent. Biocultivator has body with partitions of chambers for acidic, neutral, alkali, methane fermentation. Located between charging and discharging pipe unions is mixing device. Installed before acidic fermentation chamber is disperser in the form of cylindrical body which accommodates power-driven shaft with spiral blades located along axis of body. Blades interact with spiral protrusions fastened on inner side wall of cylindrical body at angle to spiral blades. Bottom of cylindrical body is perforated and connected with acidic fermentation chamber. Methane fermentation chamber is connected with section for separating biomethane from water and it is made in the form of housing with inclined partitions, water outlet pipe union in its bottom part, explosion-preventing valve and pipe union for outflow of biomethane through hydraulic lock in upper part of housing. EFFECT: high efficiency. 4 dwg