The goal of the “Competence center for wood-based energy” special exhibition is to provide answers on the major current issues regarding split logs and wood chips to end customers.
Contact persons will be available on site to discuss the following issues and develop-ments, among others:
• accounting measurements for split logs
• intra-company quality management (= internal monitoring)
• quality control (= external monitoring)
• preparation of split wood and wood chips
• regulatory framework (e.g. emission control)
• sustainability, legal timber harvesting, proof of origin / area
• drying of split wood and wood chips
• moisture measurement methods
• delivery conditions for split logs and wood chips
The emission limits for dust and CO cannot be reliably maintained for all wood fur-naces using dry split logs alone, because chimneys, furnaces and operative factors (operation of the furnace, maintenance, cleaning) are highly variable; in particular, the addition of fuel is associated with greater or fewer emissions.
Whether wood briquettes are an alternative to split wood depends essentially on the nature and composition of the briquettes and the operation of the furnace.
There are simple methods of measurement and control that help identify the right time for addition depending on the exhaust gas temperature. Automatic feeding of firewood furnaces is now also available.
Perhaps, however, small furnaces will soon be powered by wood chips, which can be produced even more efficiently as homogeneous bagged goods with low proportions of fines than can wood pellets. In any case, very dry coarse wood chips made of beech, birch or ash can be produced very economically as kindling that burns with low emissions, quickly heats the furnace and the chimney, and simultaneously forms embers for the addition of split logs with low production of emissions.

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