Apparatus and process for withdrawing volatile substances

摘要

The invention relates to an apparatus and a process for withdrawing volatile substances, in particular for removing solvent adhering to substrates or mineral mixtures, containing an evaporation chamber (1), a pump (4) and a cooling device, an evaporation chamber (1) being connected to at least one pump (4) and a cooling device to give a closed circuit in which the vapour is pumped from the outlet (2) via the pump (4) into the cooling device and via the tube connection (10) and a valve (7.1, 7.2) back again into the evaporation chamber. <IMAGE>