Chip screening systems

Screening:

• Gyratory screening - Valmet Chip Screen type CSE and CSR both have high capacity and combines screening of overs and fines with the same screen. The effective spread-out chute feeds material evenly across the entire width of the screen deck allowing a thinner chip layer. Patented non-plugging design for fine removal.

• Thickness screening - A disc screen is used for thickness screening of wood chips. Multiple disc sizes makes chip layer vibrant and screening efficient.

• Roll screening - a roll screen is used for fine separation. Efficient fine screening with special roll surface pattern.

Oversize/overthick chip treatment:

• Valmet Chip Cutter - Drum chipper with easy access. Uniform chips from oversize chip fractions.

• Re-chipper - Disc chipper for special applications when the re-chipped product has to be blown back to a process.

Pre-screening and Metal separation

• Disc scalper - For oversize particle screening before actual screening. Special disc pattern to improve screening efficiency.

• Metal separation - Fe-metal separation form the material flow with a magnet. Open or closed model. Self-cleaning or manual cleaning.