Heavy-Duty Biomass Shredder

Product Introduction

Biomass energy holds huge promise, but raw feedstock is a logistical nightmare. Baled straw, whole corn stalks, and palm empty fruit bunches are bulky, stringy, and often arrive wet. Standard chippers choke on fibrous material, hammermills create dangerous dust and consume excessive power, and inconsistent particle sizes strangle your boiler or gasifier efficiency. You don’t just need size reduction — you need a precise, reliable fuel preparation system.

Our Heavy-Duty Twin-Shaft Biomass Shredder is engineered specifically for the diverse, demanding world of biomass processing. Using low-speed, high-torque shearing, it tears through round bales, energy crops, agricultural residues, and forestry waste without wrapping, without generating dust clouds, and without stopping for damp material. The result is a consistent, pumpable or conveyable particle stream that feeds boilers, gasifiers, pellet mills, and anaerobic digesters at peak efficiency. Turn problematic agricultural waste into profitable renewable energy feedstock.

Product Features

Twin-Shaft, High-Torque Shearing for Fibrous Feedstock Two counter-rotating shafts equipped with heavy-duty alloy blades operate at very low speed (12–25 rpm). The enormous shearing force cuts through long, tough fibers — like those in straw, corn stalks, and EFB — without wrapping around the rotors. This makes the machine inherently reliable on agricultural residues that destroy conventional shredders.

Wet & Green Material Tolerant Biomass often has high moisture content (up to 50% or more). Our open rotor design and controlled feed ram prevent wet, sticky material from packing or bridging inside the chamber. Whether you’re processing fresh-cut energy grass or rain-soaked straw bales, the shredder maintains steady throughput without clogging.

Uniform Output for Downstream Efficiency Interchangeable sizing screens (15mm to 80mm) mounted on a hydraulic cradle give you complete command over particle size. Consistent chip dimensions are critical for efficient combustion, stable gasification, or high-quality pellet production. One machine can be quickly reconfigured to serve multiple process lines.

Anti-Jam Intelligence & Auto-Reverse The PLC control system continuously monitors shaft torque. Upon detecting a tough knot, stone, or metal contaminant, the rotors automatically reverse to eject the obstruction, then resume forward rotation. This instantaneous self-clearing action maximizes uptime on unpredictable agricultural feedstock.

Durable, Low-Maintenance Cutting System Blades are precision-machined from high-alloy, through-hardened tool steel, designed to withstand the silica-rich wear common in agricultural residues. Thick blade cross-sections accept multiple re-sharpening cycles, and quick-access service doors enable one operator to perform blade rotation or replacement with minimal downtime.

Technical Parameter

Model	Motor Power	Rotor Diameter	Chamber Size (L×W)	Blades Qty	Max. Input Width	Capacity (Straw/Wood Chips)
BSH-600	30+30 kW	300 mm	600×800 mm	30 pcs	600 mm	500–1,000 / 1,000–2,000 kg/h
BSH-800	45+45 kW	350 mm	800×1000 mm	40 pcs	800 mm	1,000–2,000 / 2,000–3,500 kg/h
BSH-1000	75+75 kW	420 mm	1000×1200 mm	50 pcs	1000 mm	2,000–3,500 / 3,500–6,000 kg/h
BSH-1200	90+90 kW	480 mm	1200×1500 mm	60 pcs	1200 mm	3,500–5,000 / 6,000–10,000 kg/h
BSH-1500	132+132 kW	550 mm	1500×1800 mm	80 pcs	1500 mm	5,000–8,000 / 10,000–15,000 kg/

Capacity estimated for baled wheat/rice straw and wood chips (approx. 30% moisture). Throughput varies with material type, moisture content, bale density, screen size, and desired particle dimensions. Custom configurations available for round bale processing lines.

Applicable Material

Biomass Materials We Shred

Agricultural Straws & Stalks: Wheat straw, rice straw, corn stalks, cotton stalks, soybean stalks, and sorghum stover. Handles baled material directly; de-twines and cuts long fibers.
Energy Crops: Miscanthus, switchgrass, reed canary grass, and bamboo. Processes whole or pre-cut stems into uniform chips for combustion or cellulosic ethanol production.
Forestry & Wood Residues: Wood chips, bark, sawmill offcuts, forest slash, and logging residues. Prepares G30/G50-grade fuel for biomass boilers and CHP plants.
Palm Oil Biomass: Empty fruit bunches (EFB), palm fronds, and mesocarp fiber. High torque and anti-wrap design manage the tough, stringy EFB that defeats standard equipment.
Bagasse & Sugar Processing Waste: Sugarcane bagasse, beet pulp, and other sugar extraction residues. Consistent sizing for boiler feed or secondary fermentation.
Biogas & Compost Feedstock: Organic fraction of municipal waste, food waste (dehydrated), and green waste for anaerobic digestion or composting. Prepares homogeneous feedstock for faster, more complete biogas conversion.

Why Choose Us

Factory-Direct Engineering for Energy Projects: You work directly with our design and production engineers. We manufacture core assemblies — rotors, gearboxes, and control systems — in-house, delivering energy-grade equipment at a factory price, free from distributor markups.
12-Month Comprehensive Warranty: All major mechanical and electrical components are warranted. Our remote support team provides video-guided diagnostics within 12 hours, helping your plant maintenance crew resolve issues and resume fuel production with minimum delay.
Fast-Response Spare Parts & Straightforward Advice: We stock a complete range of wear components — blades, spacers, seals, screens — and ship them without hesitation. Our service advice is honest and operationally focused: we train your team to extend blade life and plan maintenance around your plant’s operating calendar.
Complete Biomass Pre-Treatment Lines: Beyond the shredder, we integrate feeding conveyors, magnetic separation, discharge augers, and dust control to deliver a complete, plug-and-play fuel preparation line for biomass power plants, pellet mills, and biogas facilities.

Tell us about your biomass feedstock and energy project. Send photos, material type, moisture content, and target capacity. Our application engineers will design a customized shredding solution and deliver a detailed proposal with transparent pricing within 24 hours.

FAQ

Can this shredder handle round bales without pre-cutting? Yes. Our larger models (BSH-1000 and above) are designed to accept entire round bales of straw or hay directly. The powerful hydraulic feed ram pushes the bale into the cutting zone, where the twin-shaft rotors tear it apart layer by layer.

What about wet biomass — does it cause clogging? No. The open rotor architecture and controlled ram feed prevent wet, sticky material from packing. The machine routinely processes material with 40–50% moisture content, such as fresh green chop or rain-soaked straw, without interruption.

How does the output size affect boiler efficiency? Uniform, controlled particle size ensures consistent burn characteristics, complete combustion, and lower emissions. Our interchangeable screens let you dial in the exact size your boiler or gasifier manufacturer specifies — typically P16/P31.5/P45 per EN ISO 17225.

Can the machine handle contaminants like stones and metal in agricultural waste? Yes. The PLC detects sudden load spikes from stones or metal and instantly triggers an auto-reverse cycle to eject the object. For high-contamination feedstocks, we recommend upstream magnetic separation and stone traps as part of the complete system.

How often do blades need servicing when shredding straw and stalks? Straw is moderately abrasive due to silica content. Expect blade re-sharpening every 600–1,000 operating hours. A single blade set can be re-sharpened 5–7 times, delivering excellent long-term economy.

Can you supply a complete system from bale to boiler feed? Absolutely. We design and deliver integrated lines including bale breakers, conveyors, shredders, magnetic separators, and discharge systems. We provide full 3D plant layout, engineering support, and commissioning to ensure your fuel preparation system works as one unit.