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2 Description UTSP
2.3
Description of functions
To ensure optimal combustion, the fuel, which is dosed with the stoker screw, undergoes
the necessary phases:
•
Drying
•
Gasification (pyrolysis)
•
Combustion (oxidation)
•
Charcoal burnout
In order to control this process, the system has two different air supply zones.
•
Primary air zone under the grate for drying and gasification
•
Secondary air zone in the combustion chamber for burnout of the gases
Fig. 4
Item
1
2
3
4
5
6
7
8
Underfeed grate UTSP
1.10 en
1
7
8
Basic construction
Supply line
Return line
Flue gas connection (for flue gas fan)
Flue gas dedusting
Secondary air
Primary air
Hot water boiler with boiler tube passes
Combustion chamber
6 5
Designation
3
4
2
D-19
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