Patent ID: 11879209
Assignee: VALMET AB
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  B | IPC B  D

Claim 0:
1. A feeding arrangement for feeding comminuted cellulose material to a treatment stage, the feeding arrangement comprising:
a transportation means for transportation of the material from a material supply to a first chute and a second chute and
a plug screw feeder configured to feed the material to the treatment stage, wherein:
the plug screw feeder comprises a first inlet opening connected to the first chute, which first chute is provided between the transportation means and the plug screw feeder,
the second chute is provided between the transportation means and the plug screw feeder,
the plug screw feeder comprises a second inlet opening in feeding communication with the second chute,
the transportation means is located above the plug screw feeder, and
the transportation means comprises selectively openable first and second outlets arranged at different axial positions along the transportation means,
the first outlet is in connection with the first chute, and the second outlet is in connection with the second chute,
the first chute is substantially vertically arranged and configured to allow the material to be gravity fed through the first chute, and
the second chute is in feeding connection with a force feed screw configured to feed and compress the material before it enters the plug screw feeder.