... DTC desolvent-toaster, evaporation , steam-stripping equipment, condensing , exhaust gas recovery etc.Usageextract soybean, rapeseeds, rice bran, peanut, and ,cotton ... steam stripping condenser all work under negative pressure. Non-condensable gas enters the energy saver from the shell of ... cold water to recycle most of solvent gas. The tail gas with little solvent goes to paraffin recovery process ...