SMART BOILERS OPERATING DATA |
Marking |
|
180 |
Nominal power Pn |
kW |
180 |
Partial load (power) Pp |
kW |
45 |
Boiler efficiency at Pn |
% |
>95 |
Boiler class |
|
5 |
Water volume |
l |
420 |
Diameter of water
connection |
“ |
3 |
Diameter of water connection |
DN |
80 |
Hydraulic-pressure drop
of the boiler
at the temperature fall 20° |
mbar
|
73
|
Boiler temperature |
°C |
60–90° |
Minimal temperature of returnable water |
°C |
55 |
Maximal operational pressure |
bar |
3,5 |
Test pressure |
bar |
6,5 |
Temperature of furnace |
°C |
900–1100 |
Pressure of furmace |
mbar |
-0,04 |
Required draught of the chimney |
mbar |
0,2 |
Requirement for the forced draught |
|
Yes |
Combustion temperature at Pn |
°C |
97,2 |
Combustion temperature at Pp |
°C |
63,1 |
Diameter of flue gas duct |
mm |
220 |
Diameter of chimney |
mm |
250 |
Wood pellets – C1 |
Tested
fuel |
D6, M10, A1,5, DU90,0 |
Wood chips – B1 |
P45, M30, A3.0 |
Electrical connection |
|
3+N+PE 50Hz 230/400V TN-C-S |
Conveyor engine |
W |
550 |
Feeding auger engine |
W |
550 |
Exchanger cleaning engine (s) |
W
|
550
|
Ash-removing engine |
W |
550 |
Fan of primary air |
W |
66 |
Fan of secondary air 1 |
W |
66 |
Fan of secondary air 2 |
W |
66 |
Chimney exhaust fan |
W |
300 |
Electrical ignition |
W |
1600 |
Separation flap valve |
W |
6,5 |
|
Wood pellets |
Wood chips |
Rated |
Minimum |
Rated |
Minimum |
Rated heat capacity |
kW |
180 |
180 |
180 |
180 |
Combustion product
temperature |
°C |
111,4 |
70,8 |
97,2 |
63,1 |
Fuel consumption |
kg/hour |
42,50 |
11,10 |
44,80 |
11,30 |
Input water temperature |
°C |
59,5 |
65,7 |
60,0 |
61,4 |
Outlet water temperature |
°C |
79,1 |
83,3 |
78,0 |
78,4 |
Cooling water temperature |
°C |
9,6 |
11,1 |
9,6 |
11,0 |
Cooling water flow rate |
m3/hod |
8,433 |
2,401 |
9,034 |
2,304 |
Draught behind boiler |
Pa |
126,0 |
33,0 |
126,0 |
33,0 |
Ambient temperature |
°C |
24,0 |
25,3 |
25,0 |
23,0 |
Relative air humidity |
% |
45,0 |
44,5 |
40,0 |
39,0 |
Barometric pressure |
kPa |
99,00 |
99,25 |
99,00 |
99,22 |
Oxygen O2 |
% |
7,92 |
12,39 |
7,89 |
11,46 |
Carbon dioxide CO2 |
% |
11,43 |
7,65 |
11,73 |
8,65 |
Carbon monoxide CO |
ppm |
49 |
171 |
93 |
153 |
Higher hydrocarbons OGC |
ppm |
4 |
3 |
3 |
5 |
Nitrogen dioxides NOx |
ppm |
81 |
49 |
84 |
54 |
Dust |
mg/m3 |
29 |
44 |
47 |
41 |
Carbon monoxide CO |
mg/m3 |
51 |
275 |
97 |
220 |
Higher hydrocarbons OGC |
mg/m3 |
2 |
2 |
1 |
3 |
Nitrogen dioxides NOx |
mg/m3 |
140 |
127 |
144 |
127 |
Dust |
mg/m3 |
25 |
25 |
39 |
47 |
Mass flow rate gases |
kg/sec |
0,126 |
0,047 |
0,117 |
0,040 |
Stoichiometric oxygen value |
m3/kg |
0,957 |
0,957 |
0,832 |
0,832 |
Stoichiometric air value |
m3/kg |
4,559 |
4,556 |
3,963 |
3,958 |
Stoichiometric volume of dry combustion products |
m3/kg |
4,448 |
4,445 |
3,884 |
3,879 |
Stoichiometric air multiple |
|
1,59 |
2,41 |
1,59 |
2,19 |
Volume of dry combustion products, actual |
m3/kg |
7,400 |
11,107 |
6,397 |
8,669 |
Volume of H2O in the combustion air |
m3/kg |
0,100 |
0,164 |
0,081 |
0,114 |
Volume of H2O in the combustion produts |
m3/kg |
0,954 |
1,019 |
0,927 |
0,942 |
Maximum volume CO2 |
% |
19,01 |
19,01 |
19,40 |
19,40 |
Loss of sensible heat of combustion products (chimney) |
% |
6,0 |
4,5 |
4,8 |
3,5 |
Loss of gas underburning |
% |
0,0 |
0,2 |
0,1 |
3,5 |
Loss of mechanical underburning |
% |
0,1 |
0,1 |
0,3 |
0,1 |
Loss of heat transfer into the environment |
% |
0,8 |
1,2 |
0,8 |
0,4 |
Total loss |
% |
6,9 |
6,0 |
5,9 |
5,9 |
Efficiency – indirect method |
% |
93,1 |
94,0 |
94,1 |
94,1 |
Heat input |
kW |
195,4 |
51,1 |
191,7 |
48,3 |
Heat capacity |
kW |
186,1 |
48,8 |
183,0 |
46,0 |
Uncertainty of determining heat capacity |
% +/- |
7,8 |
2,0 |
7,7 |
1,9 |
Efficiency – direct method |
% |
95,0 |
95,0 |
95,5 |
95,2 |
Capacity / rated output |
% |
103,4 |
27,1 |
101,5 |
25,6 |
|