Charcoal is made from the pyrolysis of wood in air-isolated conditions. Due to the lack of oxygen, the wood does not burn completely. After releasing water vapour and volatile organic gases, charcoal is formed, retaining the charcoal element. Charcoal making machine is an important equipment to make charcoal from wood. So, how to make charcoal? What is the production process of charcoal?
In addition to logs (oak, birch, etc.), it can process agricultural and forestry wastes, bamboo product wastes, furniture factory trimmings, fruit wood (apple wood, date wood, etc.), fruit shells, coconut shells, and other lignin materials.
Wood raw materials need to be crushed to 3-5mm granularity using a crusher. Fibrous materials such as rice husk also need to control the moisture content of 12% or less. Experiments have proved that pine wood chips and peanut shells can be mixed in accordance with 7:3 to improve the combustion value of the finished charcoal, while the charcoal made of pure bamboo chips is harder.
The dryer adopts advanced production process. The new drying equipment adopts three-layer drum structure. The temperature gradient gradually rises from 90℃ to 120℃. It makes the moisture content in the raw material drop from 30% to 8%. The wood chip briquetting machine is then compressed into charcoal sticks by high temperature and high pressure. The forming machine softens the lignin at a high temperature of 320°C and extrudes hexagonal charcoal rods under high pressure of 1.8MPa. The finished charcoal sticks are made with a mirror-like luster on the cross-section, and they are ready when they are put into water.
The carbonisation furnace adopts a double-layer furnace structure, with the outer combustion chamber providing the heat source and the inner material being heated indirectly by heat conduction. The temperature gradient is controlled in three stages: 200-300°C dehydration and drying stage, 350-450°C pyrolysis and gas production stage, and over 500°C deep carbonisation stage. The micro-negative pressure environment is maintained by adjusting the air inlet and flue gate. Built-in sensors detect the volatile content in real time and automatically mediate the air intake. The carbonisation furnace adopts PLC control system to accurately regulate the temperature rise curve, and the carbonisation cycle can be shortened to less than 24 hours.
The combustible gases generated during the carbonisation process are separated by condensation. Wood vinegar liquid, wood tar and other by-products are collected separately, and the remaining gas is returned to the fuel chamber as fuel. The cooling system uses water service spraying to reduce the charcoal to below 80°C within 30 minutes. The waste gas produced is purified by smoke purification system.
If you want to know more details about charcoal making machine. Please contact me. We provide a whole set of charcoal making solution.
Sawdust briquette machine is a kind of screw extrusion type press. Also known as: biomass ball making machine and charcoal machine. It is used to make biomass raw material into fuel-type balls. Sawdust briquette machine can take waste agricultural materi
Charcoal briquette extruder machine is also called coal stick extruder. Adopting the principle of spiral extrusion. It is a coal bar forming equipment that compresses the modulated coal powder into a prefabricated shape with a certain strength.
Bamboo charcoal has high utilisation value. In daily life, bamboo charcoal is mainly used to eliminate and adsorb odours. For example, it can be used to eliminate the odour of a new car or to eliminate the odour of a new house after renovation.
Continuous carbonisation furnace can directly carbonise: sawdust, coconut shell, rice husk, bamboo shavings, straw, nut shell, coffee shell, palm shell, peanut shell, and other biomass raw materials. It is a new type of carbonisation equipment.
Horizontal Carbonisation Furnace Also known as charcoal making machine. It can carbonise all kinds of raw materials. The equipment adopts new high temperature dry distillation pyrolysis carbonisation technology.
The vertical lifting carbonisation furnace uses advanced airflow carbonisation. It can produce all kinds of biomass charcoal. The carbonisation furnace has convenient operation, environmental protection and energy saving, high production efficiency, and c
Sawdust dryer refers to putting the powder granular wet sawdust. After a high temperature, hot airflow is conveyed and dispersed. Make the moisture in the material evaporate. Sawdust dryer can dry sawdust, rice husk, wood chips, biomass granules...
The air flow dryer is widely used for drying powder-like material. The humidity can be controlled at 10-16%. It is a kind of highly efficient, continuous, and fast solid fluidised drying method. Loose powdery or granular materials are dispersed and suspen