Design of Digester Biogas Tank Part 3: 3D Digester Biogas Tank ...
Rocky Hill Farm Digester Project - Buzun
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Transcript of Rocky Hill Farm Digester Project - Buzun
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Rocky Hill Farm Digester Project
By Marianne, Fran, and Joe Buzun
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Constructing the Tube
• Two sections– 36 foot section– 17 foot section
• Two sections welded together for total length of 53 feet.
• Diameter is 10 feet
• Total volume approximately 150 yd³.
• Runs at 60-70% capacity.
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Delivery of 36 foot section
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Welding the two sections
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Completed 53 foot tube
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Building the Stanchions
• Poured two square concrete pads.
• Made two stanchions out of I-beams and mounted rollers to top to allow tube to rotate on.
• Stanchions made to different heights to create ideal pitch of tube.
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Pouring the Concrete Pads
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Placement of stands on concrete pads
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Tube is placed onto stanchions
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Gearing
• Driven by three horsepower electric motor into a gear reducing transmission.
• Transmission is chain driven which drives main chain around tube.
• Turns one revolution every 15 minutes.
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Main Sprocket
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Gear Reducer
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Gear Reducing Transmission
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Finished Machine
• Coated with four inches of insulation.
• Temperature reaches between 140-160°F.
• Handles 30 yd³ daily.
• Material takes three days for completion.
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Finished before insulation
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Finished after insulation
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Material to be composted
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Product before screening
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Material being loaded
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Disney Composting Site
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