The Siersza Power Plant in Trzebinia is a part of The Southern Power Concern S.A. Katowice since 2000. It is situated in the north-western part of the Malopolska Voivodeship in the Trzebinia administrative territory and was constructed between 1962-1970 as a system power plant.
The boilers
Boilers 1 and 2 - the fluid boilers - OFz-425 Rafako type, coal-fired and coal sludge-fired, a double draught with an atmospheric fluid bed furnace and a circulating bed.
| Nominal power of the boiler (WMT - constant maximum efficiency) | 336.3 MWt | |||||||||
| The amount of fresh steam | 118.06 kg/s | |||||||||
| Pressure of the fresh and secondary steam | 16.1/3.8 MPa | |||||||||
| Temperature of the fresh, secondary steam in the load range 50-100% | 560/560 °C | |||||||||
Excess air ( ) in the bed furnace (WMT- constant maximum efficiency) | 1.2 | |||||||||
| Tempearture of the furnace gas (WMT- constant maximum efficiency) | <= 135 °C | |||||||||
| Rotating four chamber air heater with an active system of radial and arial packing | BDQ 28/1700 | |||||||||
| Boiler efficiency (at WMT and with required coal - 16.7 MJ/kg) | 91.0 % | |||||||||
| Ratio Ca/S (at WMT and with required coal - 16.7 MJ/kg) | 3.15 | |||||||||
| Minimal load of the boiler with auxiliary fuel | 35 % | |||||||||
Emissions:
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| The starting time from the cool state | 6.5÷7 h | |||||||||
| The starting time from the warm state | 2.3÷2.5 h | |||||||||
| The starting time from the hot state | 0.5÷0.75 h |
