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Pellettanker bringt Holzpellets zum Einblasen ins Pelletlager

Pellet storage – the right type of storage for you

Choosing the right pellet storage depends on several factors, such as consumption and local conditions. While smaller storage solutions such as fabric tanks and storage rooms are ideal for domestic and small consumers, silo containers or underground tanks offer a suitable solution for commercial and industrial customers who consume larger quantities. Specialised systems are often required for commercial or industrial applications. It is crucial that the type of storage suits both the pellet requirements and the structural conditions.

Detailed information on the storage of wood pellets can be found at the link provided.

Fabric tanks

Fabric tanks are a flexible and space-saving solution for storing pellets and are particularly suitable for domestic and small-scale consumers, such as detached and semi-detached houses. They offer a simple and cost-effective way to store pellets under optimal conditions.

 

  • Easy installation
  • Flexible and available in various sizes
  • Up to 20 m distance between storage room and boiler room
  • Dustproof and breathable
  • Use of existing rooms without costly conversion work
  • Can also be installed outdoors

Storage rooms

Storage rooms offer a practical solution for pellet storage, especially for larger heating systems. Also suitable for home and small consumers, they provide plenty of storage space and are easy to use, as long as the structural conditions are suitable.

When planning pellet heating systems with a storage room, there are a few important factors to consider:

  • Calculation: Approximately 0.9 m³ of storage space is required per 1 kW of heating load (including empty space).
  • A rectangular room, max. 2 metres wide, is ideal.
  • No special fire safety requirements apply to storage quantities of less than 6.5 tonnes.
  • A sloping floor ensures that the pellets automatically slide to the discharge screw and the room is emptied efficiently.
  • The storage room should be located on an exterior wall to facilitate the installation of blow-in, extraction and ventilation pipes.
  • No electrical installations are permitted in the room.
  • With a vacuum suction system, the storage room can be up to 20 metres away.

Silo containers

Silo containers are a practical, external solution for pellet storage for commercial and industrial customers. They offer flexibility and can be installed independently of the building. They are a durable and weatherproof solution for pellet storage, especially when indoor space is limited.

  • The silo container is installed outside the house, saving valuable indoor space.
  • Made from sturdy material that protects against the elements, they are ideal for outdoor use.
  • Depending on the size of the container, it offers plenty of storage space for larger quantities of pellets, ideal for longer periods.
  • Outdoor installation makes filling by the supplier easy and possible without access to the house.
  • The container can be connected to the heating system via a vacuum suction system or a screw conveyor, even over longer distances.
  • Due to its sturdy construction and protection against moisture, little maintenance is required.

Underground tanks

Underground tanks offer a discreet and space-saving option for storing pellets. They are installed underground and are suitable for single-family homes as well as commercial customers or properties with limited space.

  • Underground installation incurs additional costs, but the underground tank does not take up any visible space in the garden or on the building.
  • Optimal protection against weather conditions such as rain, snow or frost.
  • Sufficient space for larger quantities of pellets, ideal for households/commercial/industrial customers with high pellet requirements.
  • Natural soil layer provides excellent insulation and protects pellets from temperature fluctuations and moisture.
  • Can be easily filled via blow-in nozzles that are accessible at ground level.
  • After installation, only the access point for filling remains visible.
  • Conveyor systems such as vacuum suction systems allow the underground tank to be flexibly connected to the boiler room, even over longer distances.
  • Long service life and low maintenance.

Filling and emptying pellet storage facilities

There are various ways of feeding pellets into your storage systems, depending on the type of storage facility and local conditions:

 

Filling:

  • Blowing in from a silo vehicle: This is the most common method and is suitable for many types of storage facility. The pellets are blown directly into the storage facility using compressed air.
  • Delivery by push-floor lorry or tipper: For larger storage facilities, such as silo containers or commercial plants, pellets can be delivered by push-floor lorry or tipper. However, this requires a loading bay to transport the pellets directly into the storage facility.

Discharge systems:

  • Pneumatic suction systems: This system transports the pellets from the storage facility to the boiler using a stream of air. It is suitable for longer distances (up to 20 to 30 metres) and is particularly flexible in terms of installation.
  • Mechanical screw conveyor systems: Here, the pellets are transported mechanically to the boiler via a screw conveyor. This method is robust, but usually suitable for shorter distances and is often used for storage facilities in close proximity to the boiler room.

Both discharge systems ensure trouble-free and gentle transport of the pellets and should be easily accessible for maintenance.

  • Blowing in from a silo vehicle: This is the most common method and is suitable for many types of storage facility. The pellets are blown directly into the storage facility using compressed air.
  • Delivery by push-floor lorry or tipper: For larger storage facilities, such as silo containers or commercial plants, pellets can be delivered by push-floor lorry or tipper. However, this requires a loading bay to transport the pellets directly into the storage facility.

Discharge systems:

  • Pneumatic suction systems: This system transports the pellets from the storage facility to the boiler using a stream of air. It is suitable for longer distances (up to 20 to 30 metres) and is particularly flexible in terms of installation.
  • Mechanical screw conveyor systems: Here, the pellets are transported mechanically to the boiler via a screw conveyor. This method is robust, but usually suitable for shorter distances and is often used for storage facilities in close proximity to the boiler room.

Both discharge systems ensure trouble-free and gentle transport of the pellets and should be easily accessible for maintenance.