Introduction
An infeed auger for wood chips is a mechanical conveyor system designed to move wood chips efficiently within industrial settings. It consists of a rotating helical screw blade housed in a tube or trough, pushing material along a spiral path. This ensures a continuous and reliable flow, which is essential for consistent operations.
Infeed augers are widely used in biomass power plants, sawmills, and recycling facilities. They transport wood chips from storage to boilers, processing units, or recycling stations, streamlining workflows, reducing labor, and maintaining steady productivity across various industries.
Understanding Infeed Augers
Infeed augers move wood chips efficiently by using a rotating helical screw inside a tube or trough. As the screw turns, it pushes the chips along the spiral path, transferring material from one point to another with minimal spillage and consistent flow. This simple yet effective mechanism ensures smooth operation in industrial settings.
There are three main types of infeed augers, each suited to specific applications. Vertical augers lift materials to higher points, ideal for storage silos or elevated conveyors. Horizontal augers transport wood chips across flat surfaces, perfect for moving material between machines. Inclined augers combine both movements, offering flexible solutions where material needs to move upward and across simultaneously.
Understanding Infeed Augers for Wood Chips
An infeed auger for wood chips is a mechanical conveyor system designed to transport wood chips efficiently within various industrial settings. It typically consists of a rotating helical screw blade housed within a tube or trough, which moves the wood chips along a spiral path. This design ensures a continuous and reliable flow of material, minimizing spillage and maintaining consistent throughput.
Types of Infeed Augers
Vertical Augers: Lift wood chips to elevated points, ideal for filling tall storage bins or combustion chambers (e.g., Heizomat HeizoTrans).
Horizontal Augers: Move wood chips across flat surfaces, perfect for transport from chippers to storage or processing areas in sawmills.
Inclined Augers: Combine vertical and horizontal movement, offering flexibility where space or layout requires varied material transport.
Key Features and Specifications of Infeed Augers for Wood Chips
Capacity and Throughput
The capacity of an infeed auger is influenced by factors such as screw diameter, pitch, rotational speed, and motor power. For instance, the Hargassner horizontal distribution auger offers a conveying capacity of up to 50 m³/h, making it suitable for applications requiring high throughput imilarly, Stronga’s FlowFeeda system provides scalable, custom-built capacity to suit specific feeding requirements, ensuring optimal material flow
Material Construction
Durability and resistance to wear are critical in the construction of infeed augers. Common materials used include high-strength steel and stainless steel, which offer longevity and resistance to abrasion from wood chips. For example, Stronga’s FlowFeeda system features an anti-corrosion stainless steel lining inside the auger, enhancing its durability.
Customization Options
Infeed augers can be tailored to meet specific operational needs and space constraints. Customization options include adjustments in length, angle, discharge points, and material handling capacity. Stronga’s FlowFeeda system exemplifies this flexibility, offering various leg heights and optional weatherproof enclosures to suit different installation requirements
Benefits of Using Infeed Augers for Wood Chips
Infeed augers streamline the transport of wood chips, ensuring a continuous and reliable flow. Their enclosed design minimizes spillage and reduces blockages. This results in smoother operations and less downtime in industries like biomass energy.
Automating wood chip handling lowers labor costs and reduces the need for manual work. Durable construction minimizes maintenance and replacement frequency. Efficient design also ensures optimal use of resources, saving money over time.
Automation reduces manual handling, lowering the risk of slips, trips, and falls. Enclosed systems prevent material spillage, keeping the workplace cleaner. Safer operations help protect workers and maintain compliance with safety regulations.
Considerations When Selecting an Infeed Auger for Wood Chips
Material Characteristics
Assessing the size, moisture content, and abrasiveness of wood chips is crucial when selecting an infeed auger. Wood chips with high moisture content (above 50%) can be challenging to handle and may freeze in cold temperatures, leading to operational issues. Additionally, the abrasiveness of the material can cause wear on the auger components, necessitating the use of durable materials in construction.
System Integration
Ensuring compatibility with existing equipment and infrastructure is vital for seamless operation. The infeed auger should align with upstream and downstream machinery, such as hoppers, feeders, and mixers, to maintain a continuous material flow. Proper integration minimizes downtime and enhances overall system efficiency.
Maintenance Requirements
Evaluating the ease of upkeep and availability of replacement parts is essential for long-term reliability. Regular inspections, lubrication, and timely replacement of worn components can extend the auger’s lifespan. Keeping a stock of essential spare parts, such as motors, auger screws, and electronic controls, ensures quick repairs and reduces downtime.
Leading Manufacturers and Models of Infeed Augers for Wood Chips
Heizomat – HeizoTrans Vertical Auger System
Heizomat’s HeizoTrans vertical auger system is designed for efficiently filling high-positioned wood chip storage via a feed hopper. It features a maximum delivery height of 6 meters and a flow rate of up to 50 m³/h. The system includes drive motors, wall brackets, and conveying pipes adaptable to bunker height, ensuring versatile installation options.
Rotochopper – Trailer Loading Auger Systems
Rotochopper offers customized single or dual trailer loading auger systems that streamline material handling by allowing direct loading into trailers. These systems integrate seamlessly with Rotochopper grinding equipment, reducing labor demands and improving overall productivity in operations such as pallet and recycling facilities.
Hargassner – Horizontal Distribution Auger
Hargassner’s horizontal distribution auger is ideal for conveying wood chips into oblong and rectangular storage rooms. With a conveying capacity of up to 50 m³/h, it ensures dust-free filling and can bridge gaps to adjacent storage areas. The system includes a filling trough, horizontal trough auger, vertical auger, and control cabinet with exterior buttons, providing a comprehensive solution for wood chip distribution.
Installation and Maintenance Best Practices
Choose a location that allows easy access and maintenance. Align the auger with the material source and destination to reduce bends. Secure it to a stable foundation and follow the manufacturer’s instructions for mounting and electrical connections.
Establish a regular schedule based on operating conditions. Lubricate moving parts, inspect for wear, and clean debris from the auger. Promptly address minor issues to prevent costly repairs and downtime.
Common problems include jams, motor faults, or belt misalignment. Disconnect power, inspect for obstructions, and check electrical connections. If issues persist, consult the manual or contact a professional technician.
Future Trends in Infeed Auger Technology
The integration of sensors and AI in infeed augers is revolutionizing maintenance and efficiency. Predictive maintenance, driven by real-time data analytics, allows for early detection of potential issues, reducing downtime and extending equipment lifespan. This shift towards automation enhances operational reliability and optimizes performance.
Advancements in infeed auger technology are focusing on reducing energy consumption and minimizing environmental impact. Innovations aim to enhance energy efficiency and promote the use of sustainable materials, aligning with global sustainability goals. These developments contribute to more eco-friendly biomass processing operations.
Research into advanced materials is leading to the development of longer-lasting and more efficient augers. These materials offer improved durability and performance, reducing the frequency of replacements and maintenance needs. Such innovations ensure that infeed augers can handle the demanding nature of wood chip transportation effectively.
Conclusion
Infeed augers streamline wood chip handling by improving efficiency, reducing labor costs, and enhancing workplace safety. Their durability, versatility, and automation capabilities ensure consistent material flow, supporting smooth operations in biomass plants, sawmills, and recycling facilities.
When selecting an infeed auger, consider material characteristics, capacity requirements, system compatibility, and maintenance needs. Choose a model that aligns with your operational layout and throughput demands to maximize productivity and reliability.

