Dryer, particulary for granular or powdered products
OwnerPaolo Deboliniinventor
Life of this patent
Estimating the term…
Abstract
The dryer includes a double-walled casing, the inner wall of which defines a cylindrical drying chamber for receiving the products and the outer wall and the inner wall of which define between them an interspace for the circulation of a diathermic fluid. A shaft is mounted in the chamber and has a motor for rotating it about its own axis and at least one blade fixed to it which, on rotation of the shaft, can exert a mixing action on the product and can detach it from the inner wall of the casing. The shaft is mounted eccentrically of the longitudinal axis of the chamber and has a motor rotating it about the longitudinal axis of the chamber.
Claims10
A dryer for granular products (82), including:
- a double-walled casing (10), the inner wall (14) of which defines a cylindrical drying chamber (16) for receiving the products (82) and the outer wall (18) and the inner wall (14) of which define between them an interspace (20) for the circulation of a diathermic fluid, and
- a shaft (50) mounted in the chamber (16) and having means for enabling it to rotate about its own axis (56), at least one blade (62) being fixed to the shaft (50) and operable, on rotation of the shaft (50), to exert a mixing action on the products (82) and to detach them from the inner wall (14) of the casing (10),
- the shaft (50) being mounted eccentrically of the longitudinal axis (34) of the chamber (16) and having means for enabling it to rotate about the longitudinal axis (34) of the chamber (16),
- the dryer being characterised in that the shaft (50) has a first portion (52) projecting into the chamber (16) and a second portion (54) outside the chamber (16) and supported for rotation by at least a first plate (36) substantially perpendicular to the axis (56) of the shaft (50), said first plate (36) being mounted on a support frame (30) and provided with means for rotation about an axis (34) coincident with that of the drying chamber (16), a projecting portion (42) on one surface of this first plate (36) engaging an aperture (44) of corresponding dimensions formed in an end wall (29) of the casing (10).
Dependencies are inferred from the claim text.