Jul 03, 2026
Biomass power plants run on a constant, uninterrupted supply of feedstock. Wood chips, agricultural residue, bagasse, pellets, husks, or some combination depending on the plant's fuel mix. The challenge is that biomass feedstock doesn't behave like coal. It's fibrous, inconsistently sized, often wet, and abrasive enough to destroy standard conveyor components surprisingly fast.
Getting that material from the intake point to the boiler, without spillage, jams, or unplanned stoppages, requires biomass material handling equipment built for these specific conditions rather than generic bulk handling systems retrofitted for the job. The right equipment handles not just the physical load, but the heat, the dust, the abrasion, and the 24/7 operating intensity that a power plant places on everything it touches.
RUD India supplies three core pieces of equipment that address the full material handling chain in a biomass power plant: the Apron Feeder, the Single Strand Drag Chain Conveyor, and the Double Strand Drag Chain Conveyor. Together, these systems cover feedstock intake, intermediate conveying, and high-volume transfer.
Standard belt conveyors handle a lot of things well. Smooth, dry, consistently shaped material? No problem. Biomass feedstock is none of those things.
Wood chips and agricultural residue carry moisture that causes material to clump and stick. The fibrous nature of biomass makes bridging and blockages far more likely than with granular bulk materials. Some biomass fuels, particularly bagasse and rice husks, produce fine airborne particles that create both a dust hazard and a fire risk. When the plant also handles ash or char on the return path, temperatures climb to levels that rubber belts simply can't sustain.
This is why purpose-built biomass feedstock handling equipment relies on steel-based conveying systems rather than rubber belt conveyors. Steel-on-steel designs withstand abrasion, tolerate heat, and contain dust in a way that rubber cannot match across years of continuous operation.
The first challenge in any biomass power plant is getting feedstock out of the receiving hopper and onto the conveying system at a controlled, steady rate. This is where an apron feeder for biomass plant operations earns its place.
RUD India's Apron Feeder uses overlapping hinged steel plates that ride directly on a sealed, round steel chain. No rollers, no rubber belts, no flights welded onto links. Material travels on the plates themselves, so the contact surface stays smooth, and wear distributes evenly rather than concentrating on a single point.
The sealed chain construction keeps lubrication in and debris out. In biomass applications, where fine particles constantly infiltrate moving components, this matters enormously. RUD India's proprietary round-link chain resists elongation under heavy loads and maintains that performance across thousands of operating hours, without the kind of stretch that causes misalignment and jams in roller-based systems.
For power generation applications specifically, the Apron Feeder handles material temperatures exceeding 200°C. When a plant cycles between biomass and other fuel types, or when hot ash returns through the same handling path, the steel plate design holds firm where rubber or plastic components fail.
The fully enclosed construction also prevents dust and fines from escaping at the intake stage. Given the fire risk that fine biomass particles carry, containment here isn't just an operational preference. It's a safety requirement.
Also, Read: Selecting the Right Apron Feeder for Your Application
Once feedstock clears the intake point, the biomass conveyor system needs to move it along horizontal or inclined runs to the boiler feed points. For moderate-throughput applications, or installations with steep inclines and limited floor space, the single strand drag chain conveyor handles this run reliably.
RUD India's Single Strand Drag Chain Conveyor uses a specially forged link chain for high-capacity, highly abrasive material. The chain sustains operating temperatures up to 250°C, giving it the thermal headroom to handle biomass ash and other hot materials without degrading. Uniform wear distribution across the chain extends service life and reduces replacement frequency, both of which matter in plants running continuous production shifts.
The compact design makes this conveyor particularly well-suited to biomass plants where available floor space is at a premium. Unlike belt conveyors that require long, gentle transition radii, this drag chain conveyor for biomass handles steep inclines directly, letting plant designers route material flow vertically without consuming excessive horizontal space.
Lower power consumption compared to equivalent belt systems also delivers operating cost advantages over the plant's lifetime. In a facility running around the clock, even small efficiency differences accumulate meaningfully over years.
Larger biomass power plants, or facilities feeding multiple fuel types through the same handling system, need a conveyor with more capacity. RUD India's Double Strand Drag Chain Conveyor scales up without giving up the core strengths of the single strand design.
The double strand configuration spreads the load across two chains rather than one. This increases structural stability, reduces per-chain wear, and allows the system to sustain higher throughput rates across extended operating periods. Capacity ranges from 6 tonnes per hour to over 100 tonnes per hour, covering a broad range of biomass plant scales.
Trough widths extend up to 2500 mm, giving the system handling room for the wide, inconsistently flowing feedstock that narrower conveyors struggle to manage without bridging or blockages. The dust-tight enclosed design keeps fine biomass particles contained throughout the conveying run, cutting both housekeeping demands and the fire risk that loose airborne biomass dust creates in an operating plant.
RUD India's wing-type chain design, used across its drag chain conveyor range, eliminates welded flights on the links. This simplifies maintenance considerably. Technicians attach and remove chain sections faster, reducing downtime during servicing and getting the plant back to full operation sooner after an inspection or part change.
In a well-designed biomass plant, these three products form a continuous material flow chain.
The Apron Feeder tackles the hardest part: unloading from the receiving hopper, metering the feedstock flow, and managing the heavy, uneven loads that arrive at intake with no consistency in size or weight. From there, a drag chain conveyor for biomass takes over, moving material along horizontal or inclined intermediate runs at a steady rate. Where throughput demands grow, the double strand configuration steps in to manage volume without creating a bottleneck at the transfer point.
Because each system uses an enclosed design, dust and fines don't escape at the transitions between them. That continuity of containment is what prevents a biomass plant's material handling chain from becoming a source of dust hazards, spillage cleanup, and unplanned downtime.
Before specifying equipment for a biomass plant, a few operational parameters need to be clear upfront.
Material type matters most. Fibrous biomass like wood chips behaves differently from compacted pellets or loose husks. Moisture content affects how material flows and clumps, which influences trough width and chain type selection. Temperature range determines which components the operating environment demands. And required throughput in tonnes per hour decides whether a single or double strand configuration makes engineering sense.
RUD India's team works through these parameters with the plant's design and procurement engineers, configuring plate width, chain strength, and module length to match the specific process. Detailed drawings, on-site surveys, and commissioning support come as part of that engagement.
Biomass power plants depend on continuous, reliable fuel supply, and the biomass material handling equipment that delivers it needs to match the plant's operating intensity without frequent failures. RUD India's Apron Feeder, Single Strand Drag Chain Conveyor, and Double Strand Drag Chain Conveyor each address a specific segment of the material handling challenge, from hopper intake to high-volume bulk transfer, in a design built for abrasion, heat, and dust.
For a facility planning a new biomass conveyor system or upgrading an existing handling line, contact the RUD India team to begin the conversation.