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Toploader – The simple, robust and automatic solution for biomass storage
The AA-Biomass Toploader is an automatic rake silo designed for large-scale storage and continuous biomass feeding without human intervention. Installed at ground level, it offers an economical and reliable alternative to traditional silos or complex hydraulic systems.
Operation
Direct unloading from the truck into an open silo.
An automated rake-equipped cart moves the biomass and conveys it to an extraction conveyor.
Continuous supply to the boiler or process, 24/7.
Key Advantages
Rapid installation: minimal civil engineering work, commissioning in just a few days.
Large capacity: up to 600 m³ of storage.
High throughput: up to 30 m³/h.
Ultra-reliable: simple mechanism, low wear, reduced maintenance. Versatile: suitable for wood chips, wood waste, RDF, biofuels…
Made in France: design, production and after-sales service 100% carried out in France.
Applications
Industrial and district biomass boilers
Heating networks
Gasification/pyrogasification
Wood industry, RDF, recycling, waste treatment
In summary
The Toploader is the ideal solution for facilities seeking simple, economical, and automated storage capable of handling large volumes of biomass with exceptional reliability.



SIEMENS Automatic Control – 9" TFT
Intelligent, intuitive, and secure TopLoader management
✔ Control Architecture
1 control cabinet with 9" SIEMENS touchscreen
1 trolley control box with integrated hydraulic cylinder
1 driver control box for silo access safety
Enhanced protection: dust, splashes, impacts
✔ Siemens S7-1200 PLC
Centralized data and parameter management
Complete SCADA: monitoring & data acquisition
Reported information: TopLoader status, total volume, operating/fault time…
MODBUS or PROFINET communication
✔ Advanced Human-Machine Interface
9" TFT touchscreen, 16 million colors, PROFINET
Secure manual management via password
Clear interface: color coding, explicit messages
Display: current cycle, stacking, volume + curve, sensor status
Remote access: web page or EWON VPN eCatcher
✔ 5 operating modes (standard)
Automatic: Stacking and feeding managed independently
Manual: Maintenance and intervention
Stacking: Storage without feeding
Boost: Rapid feeding without stacking
Remote: Multi-zone management (2 zones)
✔ Driver Control Panel
Controls the position of the forklift before opening the silo
Secures delivery without access to the boiler room

100% French manufacturing – Premium industrial quality
✔ Performance & Precision
Brushless motor: ultra-precise positioning
Shovel encoder: optimized silo approach
Boost and FIFO modes: fast feeding & multi-zone management
✔ Robustness & Durability
Galvanized HEB 180 rails
High-performance wheels (double bearings)
Cable carrier chain for lower buildings
✔ Immediate productivity
Automatic belt pre-tensioning
Integrated horizontal control
Adjustable shovel length & tilt (3 positions)
Scraper ladder program included
Onboard jack for machine diagnostics
✔ Connectivity
Data transfer included via exchange table
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Our projects
17 août 2024
Biomass heating plant in Passy, 74
18 août 2024
Biomass heating plant Prytanée national militaire de La Flèche 72
16 octobre 2024
Groupe SEB's biomass boiler room
28 mars 2025
The IUT of Belfort has equipped itself with the AA-Biomasse Toploader, 100% made in France.
15 novembre 2024