Technical data

13
Tab. 4 Wood density diagram
wood type density of just cut wood [kg/m
3
] density of dry wood [kg/m
3
]
coniferous tree
pine 700 480
larch 760 600
spruce 740 430
r 1000 450
deciduous tree
pak 1080 710
elm 950 680
ash 920 750
beech 990 730
hornbeam 1080 830
alder 690 530
birch 650 650
maple 870 660
lime 730 530
Right quality of wood warranties proper boiler’s working. Using the fuel at different parameters
doesn’t guarantee correct boiler’s operating.
Tree’s chopping off
Optimum humidity
Outside drying
- in moths
Wood humidity [%]
Rys. 5 Wood humidity chart
Rys. 6 Hygrometer - An appliance for humidity meas-
urement - In Eko-Vimar Orlański’s offer.