7
1.3.1. Burning Other Fuels
Uncontaminated paper and cardboard may only be used for igniting fire in
the boiler. Mixtures of various clean paper and cardboard may only be burned
with wood. Papers and magazines must not be burned and should be recycled.
One shall keep in mind that impregnates, inks and other components used for
their production will significantly pollute the natural environment.
We also advise against burning plastics in various forms. Keep in mind
that smoke generated during combustion of plastics will contain substances,
which are poisonous and harmful to human and that these substances will fall
down in direct vicinity of the chimney. Do not burn PVC products under any
circumstances, e.g.:
- butter or margarine boxes
- transparent plastic bottles
- jewel boxes (cassettes/CDs) or toys
- plastic building materials
- polyamide (PA) products, such as textiles
Some plastics identified as PE, PP, PET may be burned, provided that
their volume does not exceed 5% of the fuel volume (e.g. of wood) and the
combustion temperature is not lower than 850
o
C.
Approximate data of different fuels
Fuel type
Burning time
1 cubic meter weight
moisture content
( h)
( kg ) ( % )
wood
pieces
4-6
404 15
chips
3-5 215 15
sawdust 2-4 238 15
bark
2-5
250 15
coal
6-8 900 -
1.4. Technical Description
This manual applies to boilers rated from 10 to 60 kW manufactured in
the plate version.
Moderator boilers (Fig. 1) are boilers operating in the top-burning system.
Walls and grate are water cooled (the version supporting burners may be
equipped with cast iron grate) and made of quality sheet metal plates. Manual,
top fuel charging, mechanical ash removal from the grate, bottom doors (ash pan
