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Bamboo briquette charcoal and biomass pellet production ...
Transcript of Bamboo briquette charcoal and biomass pellet production ...
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Bamboo briquette charcoal and biomass pellet production units in Zhejiang, China
Bamboo for smallholder income and energy security
Jin Wei & Xuan TaotaoJuly 2020/INBAR Webinar Session 2.4
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Part I Bamboo Briquette Charcoal Production
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1. Product characteristics
• Smoke-free:• High calorific value: ~
8000 kcal/kg.• Efficient: Burn for 4
hours• Better than wood
charcoal due to uniformity
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2. Processing of briquette charcoal
2.1 Raw materials• Processing
residues from pre-processing factories
• Cut pieces and poor quality bamboo
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The International Network for Bamboo and Rattan
Those secondary grade culms harvested from managed bamboo forests for timber purposes, can also be used as raw materials for
charcoal making.
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Processing flowBamboo crushing and smashing → Qualified bamboo
powder (after grinding and screening) → drying → shaping (semi-products)→ carbonizing → checking →
selecting → packaging → storage → sale
Crushing and smashing
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Processing flow
Qualified bamboo powder
Drying & drying facility
dried bamboo powder
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Processing flowShaping and shaping facilities
Bamboo powder is made using an extruding machine with a screw.
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Processing flowCarbonizing in brick kilns
Brick kilns are usually preferred for higher quality of products and profitable returns.
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Processing flowCooling
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Processing flowSelecting and packaging
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Processing flowLoading for transportation (export)
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Production equipment requirements:
• a mill • screening equipment• drying equipment• shaping equipment• carbonization equipment• an auxiliary product recovery device• by-product (bamboo vinegar) recycling devices.
Equiment requirements
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The International Network for Bamboo and Rattan
Cost and profits
Taking a factory in Anji, China for example (data collected in 2015):
Annual output: 3000 tons of charcoal Raw material: final product = 6:1 (with around 10% of vinegar) Raw material requirement per annum: 18,000 tons Equipment investment: around CNY 2,100,000 (not including costs
for land, buildings, and organizations) 40 employees (including 2 administrative staff and 4 charcoal
technicians, 4 facility maintenance technicians, 1 driver) Total Sales Revenue and Profit: CNY 13,200,000; CNY 1,275,200 Total recovery period is 6.23 years.
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Part II Biomass Pellet Production Unit
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The International Network for Bamboo and Rattan
The merits of biomass pellet
Carbon Neutral high calorific value: ~4500
Kcal/Kg No additives Low Sulphur (0.08%) and ash:
Suitable for boiler and furnace (no stoker required).
Could be the best alternative for coal.
It can even use existing coal furnaces with slight modifications
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The International Network for Bamboo and Rattan
Processing flow
Preparing raw materialsPulverizing Drying (modulation) Forming into pellets Cooling down Package.
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Processing flow
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The International Network for Bamboo and Rattan
Processing flow
Filter and dry the smashed bamboo particles
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Processing flow
Transport of the prepared raw material for pelleting
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The International Network for Bamboo and Rattan Processing flow
Pelleting
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The International Network for Bamboo and Rattan
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The International Network for Bamboo and Rattan
No photo for 5. Cooling down and 6. Package.
These pictures are for Storage.Processing flow
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The International Network for Bamboo and Rattan
Processing flowTransportation
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The International Network for Bamboo and Rattan
Establishing Enterprise / factoryGetting sufficient quantities of raw materials can be a challenge in areas where the bamboo industry is not already well developed. Therefore, determination of the size of a factory is often dependent on raw material availability and affordability. .
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The International Network for Bamboo and Rattan Discussion
At early stage, local bamboo resources, and existing processing industry and market conditions should be investigated.
Project plan / feasibility study should be well elaboratedAt initial stage of implementation, training for technical and
management personnel should be carried out. Technical consultancy on machinery procurement,
installation and plant construction should be carried out by professionals.
During trial production period, professionals should be engaged for debugging and problem resolution.
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Thank you!