CHARCOAL KILN Russian patent published in 1997 - IPC

FIELD: wood processing. SUBSTANCE: means to create desired conditions of pyrolysis is made in the form of electric heaters 5. To install them in lining of side walls of kiln casing 1, special grooves are available. Means for catching volatile pyrolysis products is made in the form of gas collector 10 located over cover 4 of pyrolysis chamber 2. Gas catcher has valve 12 to remove moisture from chamber 2 during the raw material drying. Pipeline 11 connects gas catcher 10 with means 17 for burning volatile pyrolysis products. Chamber 2 has ports to drain liquid pyrolysis products with butterfly cover 7. Bottom of casing 1 bears rods to make the butterfly covers turn. To charge raw material into chamber 1, cassettes 3 are used. EFFECT: enhanced efficiency of process. 3 cl, 2 dwg