Impco HI-Q Knotter

The HI-Q Knotter provides efficient and eco- nomical wood "knot" separation from a pulp stream under varied operating conditions. The HI-Q Knotter capitalizes on its inward flow design by protecting the rotating element and hydrofoils and preventing the rotor from degen- erating brittle knots into dirt. The HI-Q Knotter has exceptional operating stability due to the patented high-pulse, low-profile hydrofoils.

Key Benefits

• Designed for continuous, remote, unattended operation
• Ease of maintenance
• The bearing assembly is interchangeable with the HI-Q Fine Screens, Rejects Separators and Trash Screens

Operation

• Pressurized operation for safety, housekeeping and possible reduction of air entrainment or foam generation.
• Elutriation liquor distributed tangentially in the lower half of the screening zone washes across the knots carrying good fiber into the accepts stream.
• Integral junk trap removes heavy contaminants and tramp metal from the pulp stream.
• The accept consistencies can be less than 1.5% BD or up to 4% BD.
• Low rejects consistencies for optimum second- ary knotter operation.

Maintenance

• A small footprint and minimum vertical height makes handling of internal components easy when maintenance is required.
• To minimize spare parts inventory, the bearing assembly is interchangeable with the HI-Q Fine Screens, Rejects Separators and Trash Screens.
• The knotter rotor is mounted on a sturdy vertical shaft supported by self purging, grease lubricated, heavy duty bearings.
• Screenplate is drilled in a spiral pattern to distribute wear across the full length of the hydrofoils.

  GL&V Pulp and Paper Group, 1000 Laval Blvd., Lawrenceville, GA 30043. Tel: 770-963-2100; Fax: 770-963-4155.