Biomass Straw Shredder is an industrial shredding machine designed for efficient processing of agricultural biomass materials such as rice straw, paddy straw, wheat straw, sugarcane bagasse, hay, crop stalks, corn stalks, palm fiber, coconut husk, and other organic waste. The machine reduces bulky biomass materials into smaller and more uniform sizes, making them easier for transportation, storage, composting, biomass fuel production, and further recycling applications.
Equipped with high torque shredding technology and wear-resistant blades, the Biomass Straw Shredder delivers stable performance and continuous operation in biomass recycling plants and agricultural waste processing facilities. The equipment can be integrated into biomass pellet production lines, RDF production factory, livestock forage making system, organic fertilizer plants, and biomass power generation projects.
Kowloon Machinery supply complete biomass straw recycling line with customized solution depend on your requirements. Contact us now for the best solution and price!











Biomass Straw Shredder can process a wide range of agricultural and organic biomass materials. Common materials include wheat straw, rice straw, corn stalks, cotton stalks, sugarcane leaves, hay, grass, palm fiber, coconut shells, peanut shells, and various crop residues. The machine is also suitable for processing forestry biomass such as small branches, wood chips, bamboo, and garden waste.
By reducing bulky biomass materials into smaller and more uniform sizes, the shredder improves the efficiency of biomass recycling, composting, biomass pellet production, RDF fuel preparation, and bioenergy applications. Different blade configurations and machine sizes can be customized according to the moisture content, hardness, and processing capacity requirements of different biomass materials.

Rice Straw

Paddy Straw

Sugarcane Bagasse

Corn Stalks

Cotton Stalks

Palm Fiber

Palm EFB

Coconut Shell

Wood Waste

Tree Branches
Biomass Straw Shredder works by using rotating blades and high torque shafts to tear, cut, and reduce large biomass materials into smaller and more uniform pieces. During operation, raw materials are fed into the shredding chamber through a conveyor or a grab truck. The rotating blades grip and shred the materials continuously until the required output size is achieved.
The machine is designed for stable feeding, continuous operation, and efficient size reduction, helping improve biomass recycling efficiency and reduce storage and transportation costs. Different screen sizes and blade configurations can also be customized according to specific biomass processing requirements.
Please watch the double shaft shredder working video below:
Kowloon Machinery Biomass Straw Shredders have been widely used in agricultural waste recycling, biomass fuel production, composting, and renewable energy projects worldwide. With stable performance, high processing efficiency, and flexible configurations, our shredding solutions help customers process various biomass materials while improving resource utilization and reducing waste disposal costs.
Project 1: In 2025, installed in Karachi, Pakistan, converting 20 tons of paddy straw per hour into raw materials for a local biomass power plant.
Project 2: In 2024, an industrial-scale rice straw recycling project was successfully installed in Pakistan. This facility is dedicated to efficient volume reduction for large-scale biomass fuel production and renewable energy grid applications.
Project 3: In Turkey, Kowloon installed a heavy-duty rice straw recycling plant as fuel in biomass power plant for our client, significantly reducing raw material particle size to ensure stable, continuous combustion in the fluidized bed boiler.
Project 4: In 2024, a 15–20 Tons Per Hour rice straw shredding system was fully configured and deployed in a biomass energy processing plant, providing our clients with reliable size reduction for boiler co-firing.
Project 5: Kowloon custom-engineered a complete automated rice straw recycling line for large-scale biomass fuel production, maximizing agricultural waste utilization while significantly lowering the client's overall environmental impact and daily operational costs.
Project 6: In 2026, Kowloon installed a high-throughput biomass waste shredding line in Pakistan, providing our clients with consistent sizing and crushing for continuous, commercial biomass fuel pellet production.
The following technical parameters of the Biomass Straw Shredder are designed to help customers choose suitable equipment for different biomass recycling and biomass fuel production requirements. The machine specifications include processing capacity, motor power, blade configuration, feeding size, and output size for efficient agricultural straw and biomass waste processing.
|
Model |
JLSS1500 |
JLSS2000L |
JLSS2000M |
JLSS2000H |
|
Motor |
132kW+132kW |
132kW+132kW / 160kW+160kW |
315kW+315kW |
355kW+355kW |
|
Gearbox |
2 units, planetary type, gear transmission | |||
|
Shaft |
solid shaft, made of 40Cr, hardened and tempered | |||
|
Shredder chamber (inner) |
1450*1100 mm | 1920*1250 mm | 1920*1400 mm | 1920*1400 mm |
|
Rotor rotary speed |
8-22 rpm | 8-22 rpm | 8-22 rpm | 8-22 rpm |
|
Blade |
diameter 560 mm | diameter 560 mm / 600 mm | diameter 640 mm | diameter 680 mm |
|
Lubrication system |
with automatic oil lubrication | |||
|
Dimension (L*W*H) |
4.6*2.8*3.1 m | 5.5*3.5*3.1 m | 5.5*3.5*3.1 m | 6.2*4.3*3.3 m |
|
Weight |
18000 kg | 25000 kg | 26000 kg | 32000 kg |

The blade materials of a Double Shaft Shredder play a crucial role in determining its cutting efficiency, wear resistance, and service life. Typically, the shredder blades are made from high-strength alloy steel or tool steel, such as 9CrSi, M6V, Cr12MoV, H13, SKD-11, D2, or Cr12Mo1V1, etc. which offer excellent hardness and impact resistance.
Through advanced heat treatment processes like quenching and tempering, the blades achieve a perfect balance between toughness and durability, allowing them to withstand continuous heavy-duty shredding of metal scrap, plastics, tires, and other tough materials. In some high-end applications, surface hardening or coating technologies are also applied to further enhance wear resistance and extend blade lifespan.
With superior blade materials and precise manufacturing, the Double Shaft Shredder ensures stable cutting performance, reduced downtime, and long-term reliable operation in demanding recycling environments.

Looking for a customized biomass recycling solution? Tell us your raw material, capacity, and available space. Our engineers will recommend the right model, provide a price list, and design a free 2D factory layout plan for your biomass recycling business. Contact us now!
The biomass straw shredder is equipped with a well-known brand motor that delivers stable power output, reliable continuous operation, and high working efficiency for large-scale biomass processing projects.
The planetary reducer increases output torque while reducing motor speed, providing smooth transmission, high efficiency, low noise, and stable shredding performance for tough biomass materials.
The shredder blades are manufactured with tungsten carbide wear-resistant materials, providing excellent cutting durability. After wear, the blades can be repaired and reused multiple times, helping reduce replacement frequency and lower long-term operating costs.
The shredder blades adopt advanced laser cladding treatment technology to significantly improve wear resistance, surface hardness, and cutting durability, helping extend blade service life and maintain stable shredding performance during continuous biomass processing.
The hexagonal shaft structure improves torque transmission efficiency and enhances the cooperation between the shaft and blades for more stable biomass shredding performance.
The spindle is manufactured from high-strength alloy steel with excellent fatigue and impact resistance, ensuring stable torque transmission and long-term shredding reliability.
The machine adopts a modular chassis with mortise and tenon structure and annealing treatment, improving mechanical strength while making maintenance and inspection more convenient.
The Siemens PLC control system supports automatic reverse protection and intelligent operation monitoring, helping protect the motor and blades while improving equipment safety and operational stability.





Biomass straw recycling line is designed to process agricultural waste such as rice straw, wheat straw, corn stalks, hay, and other biomass materials into reusable biomass fuel or recyclable organic materials. The recycling system usually consists of a biomass straw shredder, hammer mill, conveyors, drum screen, magnetic separator, baler, dust collection system and intelligent monitoring system. Through efficient shredding, screening, conveying, and grinding processes, bulky biomass materials can be processed into required specifications for different recycling applications.
The production line is equipped with an intelligent control system and pulse dust removal technology to improve shredding efficiency, reduce dust pollution, and support long-term stable operation. After processing, the finished biomass materials can be packaged and transported to biomass power plants, paper mills, organic fertilizer projects, or livestock farms according to different customer requirements. A complete biomass straw recycling line helps improve biomass resource utilization, reduce agricultural waste pollution, and lower transportation and energy costs while supporting sustainable renewable energy development.

| Comparison Item | Biomass Straw Shredder | Biomass Hammer Mill |
| Main Function | Primary shredding and size reduction of bulky biomass materials | Fine crushing and grinding of biomass materials |
| Processing Stage | Pre-processing stage | Secondary or fine grinding stage |
| Feeding Requirements | Can handle large and irregular materials directly | Requires smaller and more uniform feeding size |
| Material Handling Capacity | Suitable for bulky and high-volume biomass materials | Suitable for pre-shredded and smaller biomass materials |
| Output Size | small and uniform shredded pieces | Fine powder or smaller particles |
| Suitable Materials | Straw, crop stalks, hay, palm fiber, branches, biomass waste | Wood chips, straw particles, biomass pellets, dry organic materials |
| Typical Applications | Biomass recycling lines, RDF production, composting, biomass fuel preparation | Biomass powder production, pellet production, fine material processing |
| Best Use Scenario | Initial biomass waste size reduction | Fine grinding before pelletizing or powder production |
| Working Principle | Uses rotating blades and high torque shafts for tearing and cutting | Uses high-speed hammers for impact crushing |
| Blade / Hammer Structure | Wear-resistant shredder blades | Replaceable hammer blades |

A: The biomass straw shredder can process rice straw, wheat straw, corn stalks, hay, palm fiber, sugarcane leaves, crop residues, branches, and other agricultural biomass waste materials.
A: The output size can be customized according to different biomass recycling and biomass fuel production requirements. Different blade structures and screen configurations are available for various output specifications.
A: The processing capacity depends on the machine model, material type, moisture content, and output size requirements. Different models are available for small-scale and large-scale biomass recycling projects.
A: Biomass Straw Shredders are widely used in biomass fuel production, RDF preparation, composting systems, biomass pellet production lines, organic fertilizer plants, and agricultural waste recycling projects.
A: The blades are made from high-strength alloy steel with excellent wear resistance. Blade life depends on the material being processed, but the machine is designed for convenient blade replacement and maintenance.
A: Yes. The shredder is equipped with an automatic reverse function that activates when overloaded, helping protect the blades and shafts from damage caused by difficult materials.
A: Yes. The shredder can be integrated with conveyors, drum screens, magnetic separators, balers, hammer mill, and intelligent control systems to build a complete biomass recycling line.
A: Yes. Professional installation guidance, technical support, machine operation training, and after-sales service are available to help customers achieve stable and efficient operation of the biomass recycling system.

Different agricultural waste (rice straw, wheat stalk, bagasse) requires customized blade speeds and torque configurations. Click below to submit your material specifications and project goals for a free customized machine quotation within 24 hours.
Kowloon Machinery Biomass Straw Shredder is engineered for reliable and efficient processing of agricultural biomass waste, including rice straw, wheat straw, corn stalks, and other crop residues. Built with heavy-duty structure, high torque transmission system, and wear-resistant cutting technology, the machine ensures stable performance even under continuous operation in large-scale biomass recycling projects. Each system can be customized and integrated into complete biomass recycling lines for fuel production, composting, and renewable energy applications.
With 20 years of experience in recycling equipment manufacturing, Kowloon Machinery provides reliable and heavy-duty double shaft shredders designed for demanding industrial applications. More than 3000 machines have been delivered to over 80 countries, serving metal recycling plants, tire recycling lines, biomass waste recycling factory, and solid waste processing projects worldwide. Every shredder is fully tested before shipment to ensure stable performance and long service life. Backed by CE and ISO certifications, professional engineering support, and customized recycling solutions, Kowloon Machinery helps customers build efficient and profitable shredding systems.

We warmly welcome customers from around the world to visit our factory and see the double shaft shredder manufacturing process in person. During the visit, you can observe raw material machining, blade production, machine assembly, and live testing with real scrap materials. This transparent process helps customers clearly understand our production standards, quality control, and equipment performance before placing an order.
Our engineers will also provide on-site explanations and discuss your project requirements, offering practical suggestions for your biomass waste recycling line. A factory visit is the best way to build confidence in the machine quality and our long-term cooperation.

To ensure long-term, stable operation of the double shaft shredder, we provide a complete spare parts supply system and reliable after-sales support. Key components such as shredder blades, shafts, bearings, and gearbox parts are manufactured with high-strength alloy materials and kept in regular stock for fast replacement. Our blade design focuses on wear resistance and easy maintenance, allowing customers to reduce downtime and operating costs.
We also offer clear guidance on blade replacement, routine maintenance, and spare parts management. With sufficient inventory and responsive technical support, customers can quickly obtain original parts and professional assistance whenever needed, ensuring the double shaft shredder continues to run efficiently in demanding biomass waste recycling environments.

We provide complete support for the shipping and installation of every double shaft shredder to ensure smooth delivery and fast commissioning at the customer site. Before shipment, each machine is carefully packed, reinforced, and loaded to prevent damage during long-distance transportation. Detailed layout drawings, foundation requirements, and electrical connection plans are prepared in advance to help customers get ready before the equipment arrives.
After delivery, our engineers offer remote guidance or on-site installation support, including assembly, wiring, testing, and operator training. From unloading the machine to trial operation with real biomass materials, we ensure the double shaft shredder runs safely and efficiently as part of the biomass straw recycling line.

Our double shaft shredders are manufactured in compliance with international quality and safety standards to ensure reliable performance in demanding recycling environments. The equipment is built according to CE requirements for machinery safety and follows ISO quality management standards throughout the production process. From raw material selection and machining to assembly and final testing, every step is strictly controlled to guarantee durability and operational stability. Certification documents and test reports can be provided upon request, giving customers full confidence that the double shaft shredder meets global industry requirements for biomass waste recycling applications.
