Table of Contents
Advertisement
2 Description UTSK
Item Designation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Underfeed grate UTSK
1.10 en
Fuel transport, inlet
Combustion grate
Hot water boiler
Boiler door
Flue gas dedusting (cyclone separator) Usually by means of a multi-cyclone
Location of the flue gas fan
Flue gas pipe/stack
Grate de-ashing
Ash separation and removal system
Combustion air fan
Supply air tube
Automatic boiler cleaning (optional)
Supply line
Return line
Thermal process safeguard TAS
Automatic ignition (optional)
Stoker pipe
Combustion retort
Ash trough, grate de-ashing screw
Combustion chamber door
Cleaning opening
Boiler tubes
Boiler tubes
Supply air duct
Supply air duct
Connection for underpressure
measurement
Vault
O
sensor (lambda sensor)
2
Combustion chamber
Grate bars
Lower grate
Cleaning opening, cyclone separator
Outlet flue gas fan
Boiler drain KE
Combustion temperature sensor
Burnout grate
Description / Comments
Inlet for fuel, e.g. via stoker screw
Consists of a vault, refractory lining,
and a combustion retort
Heats the hot water
Access to the hot water boiler
The flue gas fan may also be located
downstream of a dedusting unit (elec-
trical, cartridge filter, etc.).
Possible location: right or left side, rear
Possible location: right or left side
Possible location: right or left side
Fresh air intake for combustion
Air intake behind the boiler cladding
Cleans the boiler tubes with
compressed air
Possible location: right or left side
Possible location: right or left side
Possible locations: right or left side
(independent of supply line)
Mounted on the side of the combustion
system
Catches ash and conveys it to the de-
ashing unit
Access to burnout zone
1. pass
2. pass
3. pass
Primary air
Secondary air
Measures the pressure in the combus-
tion chamber
Refractory lining of the combustion chamber
Measures the oxygen content in the
flue gas, installation in the flue gas
connection or the flue gas fan
Refractory lining of the burn-off zone
Collects residual ash
Connection flue gas pipe
Measures the temperature in the
combustion chamber
Burnout zone / de-ashing
D-23
Advertisement
Table of Contents
