Technical information

5
Tab. no. 3 Technical parameters – hard coal as fuel
granularity 20 – 40 mm, fuel moisture max. 15 %
Calorific value of fuel: 26 - 29 MJ.kg
-1
Number of sections
pc
3
4
5
6
7
8
9
10
Nominal heat output kW 11 25 32 42 46 53 60 68
Fuel consumption at the nominal heat
output
kg.h
-1
2,71 3,76 4,82 5,87 6,92 7,98 9,03 10,08
Minimum heat output kW 5,4 7,5 9,6 11,7 13,8 15,9 18 20,1
Fuel consumption at minimum heat
output
kg.h
-1
0,79 1,10 1,41 1,72 2,03 2,34 2,65 2,95
Fuel efficiency MJ.kg
-
1
28,31
Burning time at nominal heat output hour 4
Flue gases temperature at nominal heat
output
°C 250 – 270
Flue gases temperature at minimum
heat output
°C 130 – 200
Flue gases mass flow rate at nominal
heat output
g.s
-1
14,11 19,6 25,08 30,57 36,06 41,54 47,03 52,52
Flue gases mass flow rate at minimum
heat output
g.s
-1
4,56 6,33 8,10 9,87 11,64 13,41 15,18 16,96
Efficiency % 79
Required chimney draught mbar 0,15 0,16 0,17 0,20 0,24 0,28 0,32 0,35
Tab. no. 4 Technical parameters – coke as fuel
granularity 20 – 40 mm, fuel moisture max. 15 %
caloric value of fuel: 26 - 30 MJ.kg
-1
Number of sections
pc
3
4
5
6
7
8
9
10
Nominal heat output kW 17 25 37 46 52 58 66 74
Fuel consumption at the nominal
output
kg.h
-1
2,27 3,55 5,39 6,52 7,38 8,23 9,36 10,50
Minimum heat output kW 4,8 7,5 11,4 13,8 15,6 17,4 19,8 22,2
Fuel consumption at minimum heat
output
kg.h
-1
0,68 1,06 1,62 1,96 2,21 2,47 2,81 3,15
Fuel efficiency MJ.kg
-
1
27,8
Burning time at the nominal output hour 4
Flue gases temperature at nominal
heat output
°C 200 – 280
Flue gases temperature at minimum
heat output
°C 120 - 190
Flue gases mass flow rate at nominal
heat output
g.s
-1
12,78 19,97 30,35 36,74 41,53 46,32 52,71 59,10
Flue gases mass flow rate at
minimum heat output
g.s
-1
6,19 9,66 14,69 17,78 20,10 22,42 25,51 28,61
Efficiency % 80
Required chimney draught mbar 0,20 0,22 0,25 0,28 0,30 0,32 0,35 0,40