| 摘要 |
* * * * * * A thin-layer evaporator, which is particularly suited to treat high-viscosity fluids, comprising a treating chamber surrounded by a heating or cooling shell, and a rotor equipped with feed and thrust means. Said feed and thrust means consist of at least two axial, equidistant and staggered rows of blade-shaped extensions having the same pitch and being sloping with respect both to the rotor axis and to the axial plane passing through their connection line; each extension being offset, with respect to the extensions of the adjacent rows, by a space equal to the half pitch of the extension. * * * * * * |
