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Published byLeon Kelly Modified over 9 years ago
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Biochar Energy Systems (BES) Open Source Transportable Trough Pyrolyser 1. Total Feed input depends on feedstock type, size and moisture content. For hardwood with a moisture content of 15% through will be approximately 250- 300kg/hr dry 280-360kg/hr wet at maximum feed dimension 15mm and bulk density of 250kg/cu.m. 2. Biochar produced depends on feedstock and final pyrolysis temperature but for 500 C and hardwood feedstock 50-65kg/hr 3. Typical wet syngas flow rate from the trough 130kg/hr. Heat Production approximately 400kW. 4. Temperature range for biochar production 400-600 C. 5. Desired temperature in the chamber 900 C
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Schematic of Internal Components Stirring paddles (4) Flare (7) Feedstock hopper (1) Primary air delivery holes; six on each side (2 ) Secondary air entrained via twenty holes on each side of the reactor (5) Biochar storage box (8) or screw Auger Auxiliary air pipe (3) Auxiliary air pipe Water Injector 2 Water Sprays are used to activate the surface and control the temperature. In activating the surface H2 is produced and emissions are minimized
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Designed Using Computational Fluid Dynamics to Ensure Low Emissions Temperature Profile with Water Injection Velocity Profile
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CO about 140ppm and NOx less than 20ppm in initial testing with mixed wheat straw and chicken manure
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Larger OPS design
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