In the paper mill, the machine is producing paper.

Wedge Wire Screen – The Best Choice for Fiber Separation in the Pulp & Paper Industry

The pulp and paper industry requires processing fibers and solid particles. Efficient cleaning, filtration, dewatering, pulp screening, fiber retention, and solid-liquid separation processes are essential. The key to achieving these processes is the use of wedge wire screens. The design structure of wedge wire screens provides maximum throughput, reduces pressure drop on the screen, and makes the filters easier to clean. Wedge wire screens are used in various processes in the papermaking industry to meet the filtration requirements.

  • Pulp screening. Wedge wire screens are used during pulp preparation to sieve the pulp and remove impurities such as knots, wood chips, and contaminants to ensure pulp quality.
  • Pulp thickening. Wedge wire screen cylinders can be used to thicken pulp in the pulp preparation and recycling processes, to increase fiber concentration and make the process more efficient and cost-effective.
  • Pressurized screen. In the papermaking process, wedge wire screens in pressurized screens can separate fibers and fine particles from the pulp, control pulp consistency, and remove unwanted particles.
  • Centrifugal screen. Wedge wire screens are used in centrifugal screens to separate and remove coarse contaminants and improve pulp quality. This is crucial for maintaining clean pulp and paper stock.
  • Dewatering screen. Wedge wire screens are used in the dewatering process to remove excess water from the pulp before it passes through the paper machine.
  • White water recycling. Wedge wire screens are used for white water recycling, which is reused in the papermaking process. These screens help separate fibers from water, thus achieving efficient water circulation and reducing wastewater discharge.