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US 2023/0060403 A1Published application
Screen Plate and Pulp Screening Machine
AssigneeANDRITZ (China) Ltd.
InventorAlexander Gscheider
Life of this patent
Estimating the term…
Abstract
A screen plate for a pulp screening machine. On the side towards the rotor of the pulp screening machine, the screen plate has concave grooves. Except in the region of the grooves, an even gap is formed between the vane of the rotor and the surface of the screen plate, wherein the rotor vane front edge of the pulp screening machine is arranged at an angle to the grooves. Also, a pulp screening machine with the screen plate.
Claims20
A screen plate (100) for a pulp screening machine having a rotor (110) with a vane having a front edge, comprising:
- a main body;
- and
- concave grooves (120) on the main body on a surface of the screen plate (100) towards the rotor (110) of the pulp screening machine, each concave groove (120) extending across a length between a bottom end and a top end, wherein
- wherein the screen plate (100) is configured to be arranged to provide an even gap between the vane of the rotor (110) and the surface of the screen plate (100) toward the rotor except in a region with a groove (120), and with the front edge of the vane of the rotor (110) at an angle to the length of each of the grooves (120).
1 more element
A pulp screening machine, comprising:
- a rotor (110) having a vane with a front edge, and
- a screen plate (100) having a main body and concave grooves (120) on the main body on a surface of the screen plate (100) towards the rotor (110), each concave groove (120) extending across a length between a bottom end and a top end, wherein
- the screen plate (100) is arranged to provide an even gap between the vane of the rotor (110) and the surface of the screen plate (100) toward the rotor except in a region with a groove (120), and with the front edge of the vane of the rotor (110) at an angle to the length of each of the grooves (120).
Dependencies are inferred from the claim text.