Mixing kneader

Details Mixing kneader Mixing kneader

1990-10-04

1992-06-16

Hornsby, Harvey C.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

366307, B01F 700

Patent

active

051219921

ABSTRACT:
In a mixing kneader for the mechanical and/or thermal treatment of products, there is a shaft (16) arranged in a housing (1), on which shaft disk segments (21) are avoided distributed in the axial direction. In the kneading spaces (24) between the disk segments (21) there are fixed kneading counter-elements (27), which clean the disk segments (21) and shaft (16) and comprise a section (30), running close to the disk segments (21), and an arm (31), running close to the circumferential surface (37) of the shaft (16). In order that the section and the arm can give way to excessive product encrustations on the shaft, a center line (N) of the section (30) close to the disk segments (21) is to run at an inclination, in the direction of rotation (Z) of the shaft (16), corresponding to a secant through the shaft (16). Something similar also applies to the center line (O) of the arm (31) and to a leg (28) adjoining the section (30) at the other end from the arm (31). This has the effect that the formation of product bridges is also provided and the product conveyance and mixing action are improved. In addition, the mechanical stressing of the kneading element and the taking up of torque by the shaft are reduced.

REFERENCES:
patent: 4032117 (1977-06-01), Burgess
patent: 4775243 (1988-10-01), Baumgartner
patent: 4824257 (1989-04-01), List et al.
patent: 4826324 (1989-05-01), Kunz et al.
patent: 4889431 (1989-12-01), Liechti
patent: 4941130 (1990-07-01), List et al.

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