Unused Valmet Plug Screw Feeder with Pre-Compression Screw and Shredder. Designed for infeed raw material chips density 100 kg/m3, moisture content 20-48%, design flow rate 530 dry tons per day soft wood chips, (500BDST/D); Max capacity 1000 BDST/D; Turndown rate 50%. Valmet plug screw feeder: Fed by a pre-compression screw section, and 48" shredder at outlet; 850 HP Siemens motor 1750 rpm 460v 3/60; Gear Reducer ratio 25:1. Nominal speed 69 rpm, range 35-105 rpm; Inlet 35.83" x 25.79". Pre-compression screw: Materials of construction stainless steel 304L for all contact parts; Sits on top of plug screw at 90 degrees with s 24" diameter top force feed; Capacity Volume/Revolution inlet/discharge: 45 L / 22.5 L. Capacity / revolution at 110 kg/m3 = 5.46 BDST/D and net max capacity at 110 kg/m3 = 530 BDST/D; 250 HP motor 1750 rpm 460v 3/60 v-belt drive to gear reducer V-belt reduction 1:52; Gear reducer SEW Eurodrive ratio 18:1. Final rpm nominal speed 65 rpm, range 45-97 rpm; Outlet: 35.83" x 25.79". T-Pipe 48" Shredder: Fed from plug screw feeder 24" biomass inlet; MAWP 350 psig at 800F; 100 HP motor 1750 rpm 460v 3/60; Gear reducer 8.9:1 for nominal 197 rpm; Outlet 24" flange 600#. All equipment never used, new in 2020.
Used Equipment Facts About This Machine
🏭 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
PRODUCT DETAILS
biomass screw feeder
plug screw feeder
Valmet feeder
wood chip shredder
pre-compression screw
biomass chip feeder
softwood chip feeder
high-torque biomass motor
unused feeder system
biomass infeed system
Valmet plug screw biomass feeder
unused pre-compression screw feeder
softwood chip feed system
biomass feeding equipment 2020
plug screw and shredder combo
wood chip shredder with feeder
SEW Eurodrive biomass gear reducer
biomass handling solution
stainless steel biomass screw
biomass processing equipment for sale
unused Valmet plug screw feeder system with pre-compression screw
biomass feeding system with integrated shredder and gear reducer
high-capacity softwood chip feeder with 850 HP motor
biomass plug feeder with 48-inch shredder and stainless steel screw
pre-treatment system for softwood chips in biofuel production
1000 BDST/D capacity plug screw feeder for biomass
used biomass screw feeding and shredding equipment never installed
Valmet feeder with Siemens motor and SEW Eurodrive gearbox
moisture-variable chip infeed system for pulp and paper
industrial biomass plug feeder for wood chip densification
biomass feeder
plug screw biomass system
wood chip infeed system
high-torque biomass screw
biomass shredder
Valmet screw feeder
industrial chip shredder
biomass pre-treatment system
softwood chip processing
new biomass equipment
buy biomass screw feeder
sell unused Valmet feeder
used biomass processing equipment
plug screw system for sale
purchase biomass shredder
sell chip feeder with shredder
buy Valmet feeder system
sell industrial biomass infeed
unused biomass shredder for sale
biomass feeder
