This equipment the distiller's grain which discharges the topping still sends in the vacuum cylinder, the vacuum cylinder and the steam ejector are connected. Uses the live steam, by the high speed jet through the ejector, creates the vacuum cylinder the vacuum, causes in the high temperature ethyl alcohol partial moisture evaporation, turns the steam, carries off the massive latent heat of vaporization,Enters in together the thick tower with the live steam, carries on to the thick tower tower cauldron heats up, achieved saves the steam goal. This process unit invests, the operation few stable, the energy conservation effect remarkable, goes into production uses for 2 months then to recoup the outlay of capital.