Dingli hardwood carbonization furnace is specially used for log, wood, wood branches, and other long rod-type biomass characteristics adopts horizontal structure, cart entry, and exit raw material and the advanced hot gas dry carbonization process technology, using a unique carbonization flue gas (volatile hydrogen material and tar, etc.) Back Burning Technology, make full use of the flue gas produced by the carbonization process, meet the thermal needs of the carbonization furnace itself, greatly increase the carbonization rate, the carbonization rate increased from 80% to more than 95%, and is easy to operate, safe and environmental protection, high production efficiency, can save a lot of energy, is the ideal equipment for carbonizing the long rod type biomass material. The combination mode of multiple devices, using carbonized flue gas in tandem, can reduce fuel consumption during carbonization production and improve the enterprise's benefit.
Dingli Hardwood carbonization furnace is composed of carbonization liner, thermal insulation layer, furnace door, feeding car (small size not configured), combustible gas return combustion pipe, dehumidification buffer tank, burner, smoke exhaust pipe, and thermometer. Equipped with pre-burning gasifier, flue gas purification device, etc.
The furnace adopts the principle of anaerobic dry distillation to remove volatile substances from biomass to achieve the purpose of carbonization of biomass. The charging and sealing furnace is to stack the biomass raw materials to be carbonized into the charging truck, push it into the carbonization furnace, seal the cover, and lock the furnace door; -250 ℃, the processing time is 4-12 hours (the specific heating time is determined according to the moisture content, density, diameter and furnace size of the raw material), and the moisture in the material and the air in the liner are discharged; oxygen-free carbonization The tube begins to emit faint yellow smoke (combustible gas), that is, carbonization begins, and the recovered combustible gas enters the furnace to ignite, adjust the air intake, and keep the temperature in the inner tank at 300-500 ° C for 2.0-3.5 hours (according to the density and diameter of the carbonized material). , the carbonization depth requirements and the size of the furnace determine the specific temperature and carbonization time). When the temperature is below 50°C, open the lid and discharge the charcoal. The total heating and carbonization time in this furnace type furnace is 5.0-15.5 hours, and 1-2 furnaces can be completed in 24 hours. The exhaust flue gas is treated by the dust collector to meet the standard emission. 3-5 carbonization furnaces are used in parallel, and the peak carbonization can be used to maximize the use of combustible gas to heat the carbonization furnace and reduce the consumption of wood fuel.
| Model |
Capacity(m³)/ Carbonization time |
Length(m) | Width(m) | Internal Diameter(m) | Internal Length(m) | Material |
|---|---|---|---|---|---|---|
| DLWT300 | 1.2/6h | 1.9 | 1.15 | 1.7 | 0.95 | Carbon steel |
| DLWT700 | 3/7h | 1.9 | 1.7 | 1.7 | 1.5 | |
| DLWT1000 | 4.76/7h | 2.9 | 1.7 | 2.7 | 1.5 | |
| DLWT1600 | 7.65/9h | 2.9 | 2.2 | 2.7 | 1.9 | |
| DLWT2000 | 10.48/10h | 3.9 | 2.2 | 3.7 | 1.9 | |
| DLWT3100 | 15.86/12h | 5.8 | 2.2 | 5.6 | 1.9 |
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