Automatic straw barn
Product type: System
Case study – Straw Barn
Seelen has supplied equipment to most major straw-fired power plants in operation today; including Sangüesa Power Plant in Spain, Elean Power Plant in the UK and several power plants in Denmark.
Many of these power plants only have straw-fired boilers, while others use co-firing combining coal and straw or straw and wood chips.
Moist boilers generate 20-35 MWe plus the energy that can be used for district heating.
The infeed of Hesston bales is approximately 50 bales per hour (25 tonnes per hour at 500 kg per bale).
The system in question is a fully automatic system which supplies the boiler with fuel without any human control.
Technical Specifications
Main features
- Two cranes, SWL 13200 kg, class FEM M7
- 300 m travel rails with drive tracks(HEA 400)
- Two hydraulic straw yokes
- 100 m straw conveying and distribution depending on site layout
- Complete control system (PCs, PLCs and HMI)
- Crane cabin with all amenities
- DSE 4100 moisture meters
Summary
Total handling capacity: 2 x 80 tonnes/hour = 160 tonnes/hour
Process consumption: 25 tonnes/hour
Storage capacity: 2 x 1500 bales
Power consumption per year: Max 60,000 kWh, two cranes
Required staff: One full-time crane operator (without automatic unloading)
Moisture measuring system: 5-30% moisture at 1% accuracy
Control system: Seelen Straw Management System (SMS)
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