4.10 Functional components, combustion principle
Burner
Abb. 2-6: Section through the burner
Functional components
1
Rotary valve
5
Ash auger burner
9
Rotary drive for secondary air
2
Feeder unit
6
Ash container
10 Secondary air outlet
3
Push grate
7
Rotary drive for primary air
11 Flue gas recirculation line
4
Ash scraper
8
Primary air outlet
Fuel path
–
The fuel falls through the rotary valve
1
into the channel of the feeder unit
2
. The auger delivers the fuel to the
feed grate
3
.
–
During combustion, the fuel is transported on the feed grate, and the resulting ash falls down through the
grate.
–
The ash pusher
4
push the ashes to the ash auger
5
, and auger takes over the transport into the ash container
6
.
Airflow
–
Primary air is sucked in at the opening
7
, forwarded in a space on the left and right side of the boiler; at the
holes
8
the primary air openings under the stainless steel combustion grate, and makes it through the feed
grate into the combustion chamber.
–
Secondary air is sucked in at the opening
9
and passes through openings
10
in the fire brick (left, right, rear)
above the stainless steel combustion grate into the combustion chamber.
3 Warranty, guarantee, liability
10
Operation manual
maximus L
