Biomass Rotor

Designed for logs, forestry slash, and whole trees, the biomass rotor combines advantages of chipper knives with benefits of grinder teeth. The biomass rotor offers better efficiency and higher production rates than typical grinder teeth, along with lower maintenance costs and less downtime than chipper knives.

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Advantages

Particle size control

Consistent uniformity. Unlike drum chippers, a Rotochopper grinder with this rotor will maintain particle size control as the teeth become worn or experience minor damage. In contrast, chippers produce larger particles as their knives wear. The use of a screen prevents branches and other small-diameter materials from twisting or bending in the throat opening and passing through as oversized pieces.
Fewer fines. This rotor typically produces a low percentage of fines, enhancing drying efficiency for pellets, briquettes, and other densified fuels.
Heavier loads. With logs and other solid materials, the Biomass Rotor can produce a "chunky" finished product that packs densely into trailers to allow more tons per trailer than the shredded material produced by most grinders.

Lower Wear Costs, Less Downtime

Longer wear life. The teeth on this rotor require much less frequent maintenance than chipper knives, saving not only on part replacement but also on lost production time.
Faster maintenance. Our patented screen change system gives operators fast, convenient access to the rotor teeth, allowing quick tooth changes to limit downtime.

Enhanced Versatility

Raw material flexibility. This rotor, combined with other Rotochopper advantages like our aggressive infeed design and patented slab ramp, allows operators to quickly switch between raw materials and end products. Operators can switch between processing logs, wood chips, slab wood, and bark within the same day.
Efficiency & versatility. A Rotochopper grinder with this rotor will efficiently process green wood, as well as seasoned timber.

Interchangeable Teeth

Two tooth styles are available for the biomass rotor: the HSB tooth for logs and other solid feedstocks and HSCC tooth for loose materials like wood chips. Each tooth style offers two usable faces.

HSB Tooth

The HSB tooth aggressively processes logs, forestry slash, slabs, and other solid wood fiber for use as biomass fuel. Made of tool steel, the teeth offer superior wear life than chipper knives or traditional grinder teeth when used with solid feedstocks free of contaminants. This tooth tends to produce fewer fines than other grinder teeth.