| 摘要 |
a) Rotary drum for the carbonisation of waste at low temperature in the absence of air. b) Rotary drum characterised in that the damper of heating tubes takes the form of a freely-expanding self-supporting system 8 which has no stationary connection in relation to the enclosure 1 of the rotary drum, and in that the heating tube damper system 8 is interchangeable as a unit. c) The invention relates to rotary drums for the carbonisation of waste at low temperature in the absence of air. <IMAGE>
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