| SMART BOILERS OPERATING DATA |
| Marking |
|
500 |
| Nominal power Pn |
kW |
500 |
| Partial load (power) Pp |
kW |
140 |
| Boiler efficiency at Pn |
% |
>95 |
| Boiler class |
|
5 |
| Water volume |
l |
900 |
| Diameter of water connection |
“ |
4 |
| Diameter of water connection |
DN |
100 |
Hydraulic-pressure drop of the boiler
at the temperature fall 20° |
mbar |
130 |
| 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 |
62,2 |
| Diameter of flue gas duct |
mm |
300 |
| Diameter of chimney |
mm |
350 |
| Wood pellets – C1 |
Testedfuel |
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 |
2 x 550 |
| Ash-removing engine |
W |
550 |
| Fan of primary air |
W |
66 |
| Fan of secondary air 1 |
W |
170 |
| Fan of secondary air 2 |
W |
170 |
| Chimney exhaust fan |
W |
1100 |
| Electrical ignition |
W |
1600 |
| Separation flap valve |
W |
6,5 |
|
| Wood pellets |
Wood chips |
| Rated |
Minimum |
Rated |
Minimum |
| Rated heat capacity |
kW |
500 |
500 |
500 |
500 |
| Combustion producttemperature |
°C |
97,6 |
59,8 |
98,2 |
62,2 |
| Fuel consumption |
kg/hour |
114,26 |
24,85 |
121,00 |
27,12 |
| Input water temperature |
°C |
63,6 |
62,2 |
60,3 |
58,4 |
| Outlet water temperature |
°C |
82,2 |
77,1 |
76,0 |
73,1 |
| Cooling water temperature |
°C |
9,2 |
9,7 |
9,6 |
11,0 |
| Cooling water flow rate |
m3/hod |
23,387 |
6,347 |
27,200 |
6,550 |
| Draught behind boiler |
Pa |
215,0 |
25,0 |
210,0 |
26,0 |
| Ambient temperature |
°C |
30,2 |
27,1 |
29,2 |
24,9 |
| Relative air humidity |
% |
21,1 |
22,8 |
23,7 |
22,4 |
| Barometric pressure |
kPa |
99,20 |
99,30 |
98,99 |
98,99 |
| Oxygen O2 |
% |
8,99 |
7,53 |
7,36 |
9,77 |
| Carbon dioxide CO2 |
% |
10,85 |
11,06 |
11,54 |
10,18 |
| Carbon monoxide CO |
ppm |
151 |
67 |
214 |
153 |
| Higher hydrocarbons OGC |
ppm |
16 |
0 |
0 |
4 |
| Nitrogen dioxides NOx |
ppm |
56 |
78 |
112 |
81 |
| Dust |
mg/m3 |
14 |
27 |
106 |
92 |
| Carbon monoxide CO |
mg/m3 |
173 |
68 |
216 |
188 |
| Higher hydrocarbons OGC |
mg/m3 |
8 |
0 |
0 |
2 |
| Nitrogen dioxides NOx |
mg/m3 |
105 |
130 |
185 |
162 |
| Dust |
mg/m3 |
13 |
22 |
39 |
48 |
| Mass flow rate gases |
kg/sec |
0,356 |
0,076 |
0,323 |
0,081 |
| Stoichiometric oxygen value |
m3/kg |
0,958 |
0,957 |
0,831 |
0,830 |
| Stoichiometric air value |
m3/kg |
4,560 |
4,559 |
3,959 |
3,952 |
| Stoichiometric volume of dry combustion products |
m3/kg |
4,448 |
4,448 |
3,880 |
3,873 |
| Stoichiometric air multiple |
|
1,73 |
1,55 |
1,53 |
1,85 |
| Volume of dry combustion products, actual |
m3/kg |
7,788 |
7,638 |
6,499 |
7,354 |
| Volume of H2O in the combustion air |
m3/kg |
0,073 |
0,059 |
0,060 |
0,053 |
| Volume of H2O in the combustion produts |
m3/kg |
0,928 |
0,914 |
0,906 |
0,899 |
| Maximum volume CO2 |
% |
19,01 |
19,01 |
19,37 |
19,36 |
| Loss of sensible heat of combustion products (chimney) |
% |
4,9 |
2,3 |
4,6 |
2,8 |
| Loss of gas underburning |
% |
0,1 |
0,0 |
0,1 |
0,1 |
| Loss of mechanical underburning |
% |
0,0 |
0,1 |
0,4 |
0,5 |
| Loss of heat transfer into the environment |
% |
0,2 |
0,3 |
0,2 |
0,4 |
| Total loss |
% |
5,2 |
2,7 |
5,2 |
3,7 |
| Efficiency – indirect method |
% |
94,8 |
97,3 |
94,8 |
96,3 |
| Heat input |
kW |
525,5 |
114,3 |
517,4 |
116,1 |
| Heat capacity |
kW |
502,4 |
110,2 |
496,5 |
111,5 |
| Uncertainty of determining heat capacity |
% +/- |
21,1 |
4,6 |
20,9 |
4,7 |
| Efficiency – direct method |
% |
95,6 |
96,4 |
96,0 |
96,1 |
| Capacity / rated output |
% |
100,5 |
22,0 |
99,3 |
22,3 |
|
