... whole gas flow type include the outer stove, three set of inner stoves , and the 3ton hoisting tools. 2 ... lot, it is the ideal choice for mass production of charcoal. FEATURES:1,Easy operate and maintain, higher ... with the superfluous energy produced in the process of carbonization. 6-8 hours per stove and can ... work continuously 4,the tube of fume extraction will recycle the gas flow which ...