Plant and process for recovering hydrocarbon products from spent oils or the like

摘要

The invention relates to a plant for recovering hydrocarbon products from spent oils or the like by mechanical-thermal processing, in particular by distillation or rectification according to Patent ... (Patent Application P 3,201,084.2) and is characterised in that the vaporiser contains at least one mechanical cleaning device for cleaning the heating rods and/or the bottom region. In addition, the plant according to the invention has a two-part off-gas purification device with a solids precipitation part and an afterburning part, and an afterburning chamber which is designed with double walls. In addition, it has a device for controlling the density of the resulting product, which device triggers control interventions after a limit has been exceeded.