Patent ID: 9683778
Date: 2017-06-20
CPC Classifications: F26B

Claim:
1. A desolventizer-toaster (DT) unit for removing liquid solvent from a mass of vegetable meal, the DT unit comprising: a floor, and above the floor, a series of permeable intermediate trays and a bottom tray, each intermediate tray receiving steam for heating and permeating the mass of vegetable meal, and through which cascades downward, through ports therein, the mass of vegetable meal to a bottom tray, and through which upwardly flows a mixture of the steam and vaporized solvent, the bottom tray and the floor of the DT unit each having a transport device for passing the mass of vegetable meal to a space below while resisting passage of vapors; a main ejector with an inlet in the space below the bottom tray and an outlet between adjacent trays above the bottom tray, a scavenger tray between the main ejector inlet and the floor; and, a first scavenger ejector having an inlet in the space between the scavenger tray and the floor and an outlet in the space between the scavenger tray and the bottom tray.