Vertically Continuously Stirred High Performance Digesters
The Vertical Tall Metallic Digester is the signature component of the Technology BIG SOLAR is implementing, and is proposed for every biogas plant ≥ 500 kW. Each Biogas plant design is custom-tailored to the customer specifications and to the feedstocks available locally.
The Digesters are designed by FARMATIC and are delivered as a complete functional unit for integration into an EPC project, offering a hands-free turn-key product of high quality. They operate as Main Digesters CSTR in a 2-stages anaerobic digestion process, which enables a higher biogas production. The design and the construction material of the digesters ensure a superb cost/performance ratio to the client.
Constructed with assembled glass-coated steel panels, for high resistance to corrosion and bolted with special silo bolts with elastic sealant for absolute tightness of the tank, these Digesters ensure high efficiency and durability.
The Digester can be built in record time diminishing the plant’s construction period dramatically. The special jack system for the assembly of the tank does not require extensive scaffoldings or crane works.
Central Vertical Stirrers
The Stirrers are custom-fitted for each vertical stirred digester and depending on the mixture of substrate they have two or three sets of rotor blades. The vertical agitator mounted on top of a self-supporting roof keeps the substrate in constant downward motion. Central agitators are installed with an external transmission on the roof of the digester, which ensures continuous operation with low maintenance. The central agitator can be removed from the digester through an inspection or repair, through the roof without the necessity to empty the digester content.
External Heat Exchanger