Biomass continuous drum carbonization machine is divided into a single-layer drum carbonization machine and a two-layer drum carbonization machine. Special carbonization equipment for dry distillation and anaerobic carbonization of carbon-containing small particle woody materials such as coconut shell, walnut shell, apricot shell, palm kernel shell, sawdust, wood chips, rice husk, bamboo, eucalyptus, bagasse, coffee residue, palm shell, peanut shell and sunflower shell under high temperature conditions in the carbonization machine.
The carbonization machine adopts the technology of recovery, purification and circular combustion of methane, carbon monoxide, ethane and other combustible gases produced during the carbonization process of biomass, which solves the problem of environmental pollution caused by the thick smoke produced by ordinary carbonization furnaces in carbonization projects , It also solves the problem of heat energy required by the equipment, fully achieves self-sufficiency, improves the continuity and economy of the equipment, and makes full use of agricultural and forestry residues to turn waste into treasure. According to different types of biomass, carbonization products are used to manufacture barbecue charcoal, hookah charcoal, carbon storage, carbon sink, carbon-based soil improver, carbon-based organic fertilizer, ferrosilicon smelting reducing agent carburizing agent, activation treatment to produce activated carbon for Water and air filter adsorbents, etc., and the combustible gas produced during the carbonization process is used as boiler fuel or cooking and heating. Biomass carbonization is an important channel for the utilization of biomass renewable energy.
Biomass continuous drum carbonization machine is a professional equipment for continuous high-temperature heating and carbonization of biomass with a moisture content of less than 15% under anaerobic and oxygen-poor conditions. Or diesel, petroleum liquefied gas burner), combustible gas purification device, combustible gas delivery fan, combustible gas burner, external heating furnace of carbonization machine, feeding conveyor, cooling carbon discharge machine and power distribution operation control equipment, etc. The interior of the carbonization machine is divided into four areas: drying area, heating area, carbonization area, and calcination area.
The biomass is transported by the conveyor into the drum of the carbonization machine. First, the material is dried and preheated to 250°C by using the thermal environment in the furnace. Above, enter the high-temperature carbonization zone of the drum for carbonization at 350-550°C, and finally, calcinate the biomass charcoal at high temperature in the calcination zone to meet the carbon quality required by the product and complete the biomass carbonization. The carbonization machine is equipped with an air outlet and a discharge box. The combustible gas produced by carbonization is discharged from the air outlet, and the wood tar, wood acid liquid, water and ash are separated through the combustible gas purification system to obtain pure combustible gas, and the air is sent into the carbonization machine. The external heating furnace fully burns and heats the carbonization machine to achieve reciprocating cycle heating and carbonization and continuous production. The carbonized products are discharged from the discharge box into the cold carbon machine, and cooled by water to below 45°C, safe carbonization. The excess combustible gas from carbonization can be used for raw material drying or sent out as fuel.
For biomass with a moisture content of 20-40%, the configuration mode of dryer + carbonizer is adopted, and the excess combustible gas produced by the carbonizer is used to dry the biomass. The dryer and the carbonizer work together to fully utilize the combustible gas and reduce Cost of production.
For users who are unwilling to recycle wood acetic acid and wood tar, the carbonization equipment unit of Dingli brand adopts the high and low configuration mode of preheating drying + carbonization. The preheating dryer is arranged on the upper part of the carbonization machine, and the thermal system is comprehensively balanced. Carbonization and drying heating, waste flue gas purification treatment up to standard discharge, higher carbonization efficiency and output ratio, more environmentally friendly.
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