User guide BIOTOPLING-3BT
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TOPLING
JUNE 2012
3BT 25-50 kW
3.2. How the boiler operates
BOILER TYPE 3BT
12
15
6
3
2
13
10
4
8
5
7
9
1
16
14
17
Figure 1. Parts of boiler
LEGEND
1. firebox
9. firebox doors
2. convective beam 10. chimney
3. pellet reservoire
11. probe of flue gases
4. screw conveyor
12. box with operating display
5. motor of screw reductor 13. flue pipe
6. flap of convective beam
14. ash collector
7. air feeder
15. convective beam cleaning mechanism
8. fan 16. heater to fire pellet
17. connection for draught control
Boiler operation when pellet is used as fuel
From pellet reservoire
Fig.1 pos.3
a screw conveyor
Figure 1 position 4
inserts pellet into
firebox
Fig.1 pos.1
.
Electric heater, which is located in the firebox
Fig.1 pos.16
is used to fire pellets. This occurs
only in the initial stage of commissioning of the boiler in operation and after a long break.
Fan
Fig.1 pos.8
supports pellets burning in a way that it leads required amount of oxygen for
combustion into firebox.
