4th Double Layer Generation Drum Biomass Carbonization Equipment is equipped with double sleeve pipes inside the carbonization machine, the inner barrel is a preheating and drying pipe, and the outer barrel is a high temperature carbonization pipe. The inner cylinder pipe uses the waste heat in the furnace to dry the material, and the outer cylinder is provided with a combustible gas recovery pipe. The combustion of the burner heats the pipeline, and the mixed gas collected from the carbonization equipment enters the filter system from the lower part, and the filtered pure gas is recycled to the combustion chamber heating equipment to achieve the effect of reciprocating cycle heating and carbonization. The primary carbonization ignition gas source is supplied by the liquefied gas combustion system.
Advantages of two-layer continuous drum biomass carbonization machine
● 1. Material adaptability is strong. Biomass with water content less than 25% and particle size less than 30mm can be carbonized;
● 2. The carbon product has good quality and high carbonization rate. Carbon products can be used not only as fuel carbon, water smoke carbon, but also as raw materials of metallurgical carbon and activated carbon;
● 3. The carbonization depth control ability is strong. The residue of volatile matter in carbon products is 10-25%, which can be controlled on demand;
● 4. The equipment is safe and environmental protection, stable operation and long service life. Select a large number of new materials and new processes, use patent technology design, precision production, after a large number of practical tests, every detail is pursuit of perfection, to ensure the quality of each set of equipment.
Working principle
Biomass two-layer continuous drum carbonization machine is a professional equipment for continuous high-temperature heating and carbonization of biomass under the condition of no oxygen and poor oxygen. It is composed of two-layer carbonization machine, preheat wood powder burner (or gasifier, natural gas burner), combustible gas purification device, external heating furnace of carbonization machine, feeding conveyor, cooling and carbon discharging machine and control, etc In this paper. The biomass is transported into the inner drum by the conveyor. The waste heat in the furnace is used to dry and preheat the materials to 200-250 ℃. The outer drum is provided with a combustible gas recovery pipeline at the end. The combustible gases such as carbon monoxide, methane and ethane produced in the carbonization process are fully utilized to separate wood tar, wood acid solution, water and ash through the flue gas purification system The pure combustible gas is sent to the heating furnace outside the carbonization machine for full combustion and heating to the carbonization machine to achieve reciprocating cycle heating and continuous production. The carbonization temperature is generally controlled at / 700-800 ℃. The carbonized products are discharged from the carbonization machine through water cooling, and the carbonization ignition is supplied by the pre heating wood powder burner (or gasifier or natural gas burner).
Solution
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