biochar kilnEV Charger AC Wall Mounted Charging Pile

Biochar kiln

Biochar kilns convert organic matter into biochar through a pyrolysis process.

Biochar kiln 258

Raw materialWood， Coal， Coconut shells， Bamboo， Fruit pits
Temperature350-900℃
Automation PLC
capacityCustomizable

BRIEF INTRODUCTION

Biochar kiln is a device used to produce biochar, which converts organic matter (such as wood, crop waste, straw, etc.) into biochar through the process of pyrolysis (combustion without oxygen). Biochar is a porous, carbon-rich material that is widely used in soil improvement, water treatment, carbon capture and other fields. The working principle of the biochar kiln is to heat organic materials in a high temperature and low oxygen environment to decompose, dehydrate and form biochar. Our biochar kiln is equipped with a temperature control system, a combustible gas recovery and reuse device and a gas emission purification system to improve production efficiency and environmental performance.

PROCESS

Drying Stage: From ignition to the furnace temperature reaching 160°C, the moisture content in the briquettes relies mainly on external heating and heat generated from their own combustion for evaporation. The chemical composition of the briquettes remains largely unchanged during this stage.

Initial Carbonization Stage: This stage is driven primarily by the combustion of the briquettes themselves, raising the furnace temperature to between 160°C and 280°C. At this point, thermal decomposition reactions occur in the woody material, leading to changes in its composition. Unstable components such as hemicellulose undergo decomposition, producing substances like CO2, CO, and small amounts of acetic acid.

Full Carbonization Stage: This stage occurs within the temperature range of 300°C to 650°C.During this stage, the woody material undergoes rapid thermal decomposition, simultaneously generating significant amounts of liquid products such as acetic acid, methanol, and wood tar. Additionally, combustible gases like methane and ethylene are produced. These gases can be controlled and utilized through valves for cyclic combustion. The combined processes of thermal decomposition and gas combustion generate a substantial amount of heat, raising the furnace temperature. The woody material is distilled into charcoal under high temperatures.

For the production of high-temperature charcoal, apart from the three stages mentioned above, additional heat is applied to raise the furnace temperature further to around 800°C to 1000°C. This helps to expel volatile substances remaining in the charcoal, increase the carbon content, enhance the graphite structure within the charcoal, and improve its conductivity.

Product Advantages

Automation and continuous production
High degree of automation: Continuous biochar kilns are usually equipped with advanced automated control systems that can monitor parameters such as temperature, pressure, and oxygen supply in real time, thereby ensuring the stability and efficiency of the production process.
Continuous feeding and discharging: Unlike batch kilns that need to wait for a cycle to end before the next round of production, continuous kilns can achieve continuous input of raw materials and continuous output of charcoal, greatly improving production efficiency.

High efficiency and energy saving
Heat recovery: During the production process, continuous biochar kilns can effectively recover the heat generated during pyrolysis, reduce energy consumption, and reuse combustible gases and other by-products through gas recovery devices to further improve energy efficiency.
Low emissions: Due to the use of efficient gas purification devices, emissions are effectively controlled, in line with environmental protection requirements, and emissions are low.

Consistent product quality
Precise temperature control: Continuous biochar kilns can accurately control the temperature and oxygen supply during the heating process, ensuring more consistent quality of biochar and reducing the risk of unstable product quality due to temperature fluctuations.
Higher yield and quality stability: Due to continuous production, there are fewer changes in raw material handling and pyrolysis, and product quality is better guaranteed.

Strong adaptability
Raw material diversity: Continuous biochar kilns can process a variety of organic wastes, such as wood chips, crop straw, plant residues, etc., to meet different production needs.
Flexible scale: Continuous biochar kilns can adjust the production scale according to needs, suitable for the production needs of large-scale factories, and can also make corresponding adjustments according to market demand.

Environmental protection and economic benefits
Environmental protection: This type of kiln equipment can reduce greenhouse gas emissions due to its high pyrolysis efficiency and energy recovery capacity, and has good environmental protection performance.
High economic benefits: The continuous production process means that the equipment can maintain stable output and profits in long-term operation, and energy recovery can reduce production costs and improve overall economic benefits.

Easy operation
Reduced manual intervention: The application of automated control systems makes operation easier, reduces manual intervention, and reduces labor intensity.
Long maintenance cycle: Continuous biochar kilns usually use more durable materials and structures, can operate stably for a long time, and have a long maintenance cycle.

Adapt to large-scale industrial production
Large-scale production capacity: Continuous biochar kilns are suitable for large-scale industrial production and can meet large-scale needs. They are particularly suitable for processing large amounts of agricultural waste or forestry by-products, which is in line with the trend of industrial production.

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Product Parameters

Model	800	1000	1200	1500	1800	2000
Number of cylinder layers	Single	Single	Double	Double	Double	Double
Cylinder diameter	800mm	1000mm	1200/700mm	1500/900mm	1800/1200mm	2000/1500mm
Capacity	200-300kg/h	300-400kg/h	450-600kg/h	600-800kg/h	800-1000kg/h	1000-1200kg/h
Cylinder material	309S/310S/316L	309S/310S/316L	309S/310S/316L	309S/310S/316L	309S/310S/316L	309S/310S/316L
Power	1.5kw	2.2kw	5.5kw	7.5kw	11kw	15kw
Temerature	500-800ºC
Carbonization time	20-60min
Raw material particle size	≤4cm
Heating method	indirect heating
Operation mode	continuously working
Control method	PLC control
Induced draft fan power	1.5kw	2.2kw	7.5kw	11kw	18.5kw	22kw
Preheat burner model	10kcal×3	10kcal×4	15kcal×4	20kcal×4	30kcal×4	30kcal×6

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CUSTOMER CASE

With advanced technology and reliable products, we provide efficient purification and green environmental protection solutions to many customers.