Continuous pyrolyzing and carbonizing device for agricultural and forestal biomass

Abstract

The invention belongs to the field of biomass energy utilization and discloses a continuous pyrolyzing and carbonizing device for agricultural and forestal biomass. The device comprises a feeding device, a pyrolyzing device, a carbonizing device and a heating device for heating the pyrolyzing device and the carbonizing device, wherein the pyrolyzing device comprises a pyrolyzing furnace, a pyrolyzing pipe running through the pyrolyzing furnace and a spiral conveyer arranged in the pyrolyzing pipe; the output end of the pyrolyzing pipe is connected with the carbonizing device; the carbonizing device comprises a shell and a heat exchange pipe; and the heat exchange pipe is arranged in the shell. According to the device, the independent controllable pyrolyzing device and carbonizing device are adopted, so that the continuous and stable pyrolyzing and carbonizing of the biomass are efficiently and quickly realized and the conveying efficiency is remarkably improved; and the distribution and the quality of products prepared by virtue of the device are controllable, and the energy utilization rate is high.

Description

technical field

[0001] The invention belongs to the field of biomass energy utilization, and in particular relates to a continuous pyrolysis and carbonization device for agricultural and forestry biomass. Background technique

[0002] my country is rich in agricultural and forestry biomass resources, and the use of biomass energy has always been dominated by direct combustion, which not only has low thermal efficiency, but also is accompanied by a large amount of smoke and ash emissions, which seriously pollutes the environment. Through pyrolysis technology, biomass can be converted into semi-coke, combustible gas, tar and wood vinegar under high temperature and anoxic conditions. It is a clean and efficient biomass energy conversion technology, in which the pyrolysis reactor is A critical part of achieving conversions. At present, biomass pyrolysis reactors mainly include fixed bed, fluidized bed, rotary kiln, and spiral pyrolysis reactor. Advantages of the job.

[0003] ...

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