Batch type carbonization machines are popular for producing high-quality charcoal from biomass materials like wood, coconut shells, and agricultural waste. They are user-friendly, cost-effective, and ideal for small to medium-scale charcoal production. Let’s walk through the basic steps on how to use a batch type carbonization machine properly.
Step 1: Prepare the Raw Materials
Before starting the machine, make sure your raw materials are ready.
- Dry the materials: Moisture content should be below 20% for efficient carbonization.
- Size the materials: Uniform size helps ensure even heating and better charcoal quality.
Common raw materials include wood logs, sawdust briquettes, bamboo, coconut shells, and even crop stalks. Some users choose to crush or shred larger materials to speed up the process.
Step 2: Load the Materials Into the Furnace
Once prepared, load the biomass materials into the inner furnace chamber of the machine.
- Avoid overloading: Ensure the materials are loosely packed to allow air circulation.
- Secure the door: After loading, tightly seal the furnace door to prevent oxygen from entering during carbonization.
Proper loading helps achieve consistent results and prevents incomplete carbonization.
Step 3: Start the Preheating Process
Ignite a small fire in the heating chamber using wood, gas, or coal as a heat source.
- Gradually increase the temperature: The idea is to slowly heat the biomass to 200-250°C to initiate the carbonization without burning it.
- Monitor the smoke: At first, white smoke (mostly steam) will emerge. As the process continues, the smoke will turn yellow and then blue, indicating volatile substances are being released.
Step 4: Maintain the Carbonization Temperature
After preheating, the carbonization reaction becomes self-sustaining.
- Keep the temperature steady between 300-600°C.
- Adjust airflow carefully: Too much air can cause combustion instead of carbonization.
Some advanced batch carbonization machines can recycle the combustible gas generated during the process, using it as a secondary heat source to save fuel.
Step 5: Cooling and Collecting the Charcoal
Once the biomass is fully carbonized, stop the heating and let the furnace cool naturally.
- Cooling usually takes 6-8 hours. Opening the chamber too early can cause the hot charcoal to catch fire upon exposure to air.
- After cooling, open the furnace and carefully collect the charcoal.
The final product is usually dense, black, and highly combustible — ideal for BBQ, industrial fuel, or soil improvement. Visiting: https://www.char-molder.com/product/horizontal-carbonization-furnace/
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