The invention discloses a field portable
carbonization furnace for in-situ
resource utilization of
agricultural waste and graded preparation of
biochar. The field portable
carbonization furnace comprises a cover, a furnace body, a material inlet, a
smoke exhaust pipe, a stainless steel outer layer, a
carbonization area, a heat
insulation layer, a heating partition plate, an
airflow limiting sliding cover, a ventilation opening, a feeding opening, three or more heat conduction pipes, a heating area, a condensation
pipe, a
waste gas collection chamber, a one-way ventilation valve, a
tail gas guide
pipe and one or more
sieve meshes. According to the invention, the product disclosed by the invention has the characteristics of mobility, portability, simple
operability and the like, is suitablefor being used in special environments such as fields, mountainous regions and the like, and particularly has outstanding functions aiming at the generation of a large amount of waste agricultural
biochar after autumn harvest; and the carbonization furnace disclosed by the invention is reliable and safe in
charcoal preparation process, high in preparation efficiency, low in cost, small in occupiedarea and portable, and can meet the requirement of field in-situ preparation of
charcoal.