A.B.S. Flexilo MINI Assembly-, Operating-, And Filling Instructions - Page 8

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Operating and Assembly Instructions – A.B.S. Flexilo MINI for wood pellets

Safety Information

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The bolting of the steel frame should be checked as well.

•

Please check the fastenings of the Filling and removal systems.

•

Make sure that all other openings on the silo are closed.

After two to three deliveries - at least every two years - the time before the

next pellet delivery should be used to clean the storage.

Please observe the recommendations concerning the maintenance of the boiler

manufacturers.

2.6 Storage Aeration

Wood pellets are a fuel that is environmentally safe and from which no health risk arises, if

handled properly. Wood pellets can develop an odour depending on the type of wood used.

The reason for this lies in the extractive, the wood's own oils, fats and resins, which are

activated during the pressing process and slowly outgas in the following weeks or

decompose when in contact with the air. Compared to other wood products wood pellets

have a very large surface area and are heavily used in their cell structure by the pressing

process. The result is that the release of the volatile components is faster, especially in fresh

pellets and at high ambient temperatures. Emissions usually decrease after a few weeks and

the odour associated evaporates completely.

The emissions of wood pellets consist of volatile organic compounds (VOCs), carbon

monoxide (CO) and carbon dioxide (CO2). Among the VOCs are, for example, the so-called

terpenes that in rare cases occur and are responsible for a "chemical" odour (such as

turpentine). Other ingredients such as aldehydes and carbon monoxide can produce an

unhealthy effect and therefore should not enter into the living area. To avoid any risk, two

simple principles must be observed.

•

The storage room, or the room where the final storage is set up, must be sealed off from

the living area.

•

The storage room ventilation (> 200 cm ²) should be directly above the openings to the

outside or, if this is not possible, through openings in to a well-ventilated room.

Elaborate ventilation solutions are required for larger storages (> 10 t) and vent lines > 5 m.

These are described in detail in the VDI guideline 3464 "Storage of wood pellets at the end

user ".

Each pellet storage room or set up room for final storage must be ventilated.

The ventilation openings should be designed in a manner that they do not

end directly under windows or air intakes.

Subject to technical change

Issue 09/2016

Page 8 of 19