Valmet Pre-Compression Plug Feeder & Shredder System – 1000 BDST/D Biomass Capacity

🏭 Manufacturer Info

• Manufacturer: Valmet

• Model/Type: Plug Screw Feeder System

• Components:

  • Plug Screw Feeder

  • Pre-Compression Screw

  • 48" Shredder

• Year Manufactured: 2020

• Condition: Unused / Never Installed

📝 Description

This Unused Valmet Plug Screw Feeder System, including a pre-compression screw and 48” shredder, is a robust high-capacity biomass feeding solution designed for handling softwood chips. With a design flow rate of 530 BDST/D and a maximum capacity of 1000 BDST/D, this system is ideal for bioenergy, pulp & paper, and biomass processing operations. Constructed with 304L stainless steel contact parts, and powered by high-torque Siemens and SEW Eurodrive systems, this equipment is designed for long-lasting performance in demanding environments. All equipment was purchased new in 2020 and has never been used.

⚙️ Specifications

🔧 Plug Screw Feeder

• Design Flow Rate: 530 dry tons/day (BDST/D) softwood chips

• Max Capacity: 1000 BDST/D

• Turndown Ratio: 50%

• Feed Motor: 850 HP Siemens, 1750 RPM, 460V, 3 Phase, 60 Hz

• Gear Reducer Ratio: 25:1

• Nominal Speed: 69 RPM (Range: 35–105 RPM)

• Inlet Dimensions: 35.83" x 25.79"

🔩 Pre-Compression Screw

• Orientation: Sits at 90° to plug screw, top force feed

• Top Inlet Diameter: 24"

• Motor: 250 HP, 1750 RPM, 460V, 3 Phase, 60 Hz

• V-Belt Drive Ratio: 1:52

• Gear Reducer: SEW Eurodrive, Ratio 18:1

• Nominal RPM: 65 RPM (Range: 45–97 RPM)

• Material of Construction: 304L Stainless Steel (contact parts)

• Capacity / Revolution:

  • Inlet: 45 L

  • Discharge: 22.5 L

  • Capacity at 110 kg/m³: 5.46 BDST/D

  • Max Capacity at 110 kg/m³: 530 BDST/D

• Outlet: 35.83" x 25.79"

⚙️ Shredder (T-Pipe 48")

• Biomass Inlet: 24"

• Motor: 100 HP, 1750 RPM, 460V, 3 Phase

• Gear Reducer: Ratio 8.9:1

• Nominal RPM: 197

• Outlet: 24" Flange, 600#

• MAWP: 350 PSIG @ 800°F

🧰 Applications

Ideal for use in:

• Biomass processing facilities

• Renewable energy & biofuel production

• Wood pellet manufacturing plants

• Pulp and paper mills

• Thermal energy systems

• Industrial boiler feed systems

• Biochemical conversion feedstock preparation

• High-moisture biomass densification

• Waste-to-energy pre-treatment systems

• Forest product and chip handling operations

📦 Commonly Used For (Bulleted)

• Feeding softwood chips into biomass reactors

• Moisture-variable biomass material processing

• Pre-treatment for pulp & paper manufacturing

• Screw press feeding in biofuel systems

• Inline shredding of biomass before digestion

• High-density biomass feed system integration

• Thermal conversion system input

• Slurry feed preparation

• Biomass densification line front-end

• Steam explosion reactor feed