Technical data

Technical specs:
PYROT Rotation Heating system
Trade name
150 220 300 400 540
Item No:
KRT-150
KRT-220
KRT-300
KRT-400 KRT-540
Performance data
Related heat output QN MBH / [kW] 512 / 150 751 / 220 1024 / 300 1365 / 400 1843 / 540
Continuous output
1)
Q D MBH / [kW] 461 / 135 683 / 200 921 / 270 1229 / 360 1639 / 480
Minimum heat output
2)
Qmin MBH / [kW] 154 / 45 205 / 60 273 / 80 341 / 100 478 / 140
Efficiency in operation to be performed [%] 85%
Maximum water content
3)
[%] W 40
Size of the chips
4)
G 30 / G 50 as per CAN/CSA-B366. 1-M91
Exhaust gas figures
Mass flow rate QN; W5; O2 6% [lb/s] [g/s] 80.4 117.9 160.8 214.4 289.44
Volume flow QN; W5; O2 6%; 150ºC [ft³/s][ m³/s] 3.1 / 0.09 4.9 / 0.14 6.7 / 0.19 8.8 / 0.25 12.4 / 0.35
Mass flow rate QW35; W35; O2 8%; [g/s] 106.9 156.9 213.9 285.2 385.1
Volume flow QW35;W35; O2 8%; 150°C [m/s] 0.12 0.19 0.25 0.34 0.46
Average exhaust gas temperature at QN
5)
[°F /°C] 320 / 160
Average exhaust gas temperature at QMIin
5)
[°F /°C] 266 /130
Chimney drought required [Pa] ±0
Electrical connections
Electrical connections, total [kW] 2.67 2.85 3.6 3.98 3.63
Ignition device [kW] 1.6
Flue gas fan [kW] 0.55 0.55 0.75 1.1 1.1
Articulated head fan [kW] 0.12
Feed auger [kW] 0.37 0.55 1.1 1.1 0.75
Grate drive unit [kW] 0.03 0.03 0.03 0.06 0.06
Electric power consumption at QN [kW] 1.032 1.108 1.521 1.868 1.753
Electric power consumption at Qmin [kW] 0.355 0.369 0.434 0.480 0.460
Heating – relevant specs
Volume on heating gas side [ltr] 374 744 883 1340 1613
Volume of ash container for grate ash [ltr] 32 45 55 75 91
Volume opf ash container for flue gas [USG / ltr]
de-duster
24 / 90
Water side resistance (diff.15 K / 27°F) [“wc/mbar] 13 / 38 30 / 76 16 / 42 11 / 29 22 / 56
Boiler water volume [USG / ltr] 114 /432 209 / 794 238 / 903 350 / 1326 399 / 1510
Heating surface [ft² / m²] 116 / 1.078 173 / 16.04 115 / 20.72 310 / 28.76 424 / 39.36
Test pressure
6)
[psig / bar] 173 / 5
Maximum operating pressure
6)
[psig / bar] 30 or 60 / 2 or 4
Maximum boiler operating pressure [°F /°C] 212 / 100
Minimum return temperature [°F /°C] 149 / 65
Weights
Weights of fire block [lb / kg] 906 / 412 1084 / 493 1251 / 569 1590 / 723 1648 / 794
Weight of heat exchanger
7)
[lb / kg] 3201 / 1455 5031 / 2287 5970 / 2714 8690 / 3950 9541 / 4337
Weight of flue gas de-duster [lb / kg] 649 /295 693 /315 693 /315 770 /350 770 /350
Weight of feed auger [lb / kg] 277 / 126 277 / 126 277 / 126 282 / 128 282 / 128
Total weight without water
8)
[lb / kg] 5034 / 2288 7086 / 3221 8193 / 3724 11332 / 5151 12340 / 5609
Total weight with water
8)
[lb / kg] 5984 / 2720 8833 / 4015 10179 / 4627 14249 / 6477 15662 / 7119
1) Continuous output: Output leveling out as base load boiler in continuous operation with pneumatic cleaning
system (for track time, see Operating Instructions)
2) Q Q min : Operation with modulated control (Infinitely variable power control)
Q ! Q min : Low load with ON Q min / OFF (Stop-and-go mode)
3) Moist fuels: >W35 further limitations regarding output, degree of efficiency and control behavior
4) Specification: See Spec Sheet 1010, Minimum Requirements for Wooden Fuels
5) Exhaust gas temperature: An increase is possible by removing the displacement rods (Q N + 30°C; Q min + 10°C)
Other influences: Fuel, water content, ash content, pneumatic cleaning system yes/no;
track time (number of operating hours without cleaning)
Specifications for the start of the track time (toward the end of the track time there is an
increase in the exhaust gas temperature by approx. 20°C)
6) At extra charge: 7.8 bar test pressure; 6 bar operational pressure;
7) Weights: Incl. door and refractory concrete lining
8) Total weight: Incl. displacement rods
Spec Sheet
Pyrot Rotation Heating System
Boiler Plant
vIESmAnn
6010-2