Purpose: To obtain the furnace mentioned in the title to continuously and stably give high-quality charcoal to the rice hull, the furnace is so that the fumigation chamber is isolated from the gas combustion chamber grate wall and the rice hull is transferred upwards from below to be carried out at low temperature. . Fumigation room during fumigation. Composition: A pair of fumigation chambers 11, 12 defines an inner grate wall 3 and an outer grate wall 9 that are relatively parallel to form an inner perforated wall 3, 3 between the gas combustion chambers 13, and the combustion chamber 13 is exhausted through the hot air box 15 Channel 14. The bottom fumigation chambers 11, 12 are inclined inwardly, combined with each other, and then connected to the rice hull supply channel 18, which is connected to the ore feeding tank 19. The rotating impeller is placed in the joint in the channel 18 and in the hopper 19. The outer top coal exits 10 a, b fumigation chambers 11, 12, with perforated floor walls 23 delivering rice hull charcoal air for forming the rice hull burner.
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