| 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 | 
 
 
  
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