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RENOVATION two units at Chvaletice power plant

01.04.2017


B3 UNIT IN CHVALETICE POWER PLANT IN OPERATION


The K3 boiler was started and powder coal burners were lighted after cleaning processes on the 200 MW unit on 21st February 2017. The boiler was gradually prepared for operating output tests, adjustment of combustion. At the present time preparations for a comprehensive B3 Unit test are in progress. The following operating values were achieved to this period:

Output range of the Unit ..................................100 - 200 MWe

Min. output without stabilization ....................100 MWe

Steam boiler output ..........................................295 - 600 t/h

Superheated steam temperature ....................541 ° C

Reheated steam temperature......................... 530 - 541°C

Flue gas temperature behind boiler ........... ....150 - 160°C

Emissions:

NOx at min. output.................................... ......190 mg/Nm3

NOx at max. output.................................. ........240 mg/Nm3

CO - on average ....................................... ....... below 20 mg/Nm3

Unburned residues into slag………...............10 - 12%



From history:

December 11, 2015

T-PROJECT GROUP, Ltd. signed in November 2015 with the Královopolská RIA, Inc. contract to supply the equipment for emission reduction - DENOx – for two boilers of power units B3 and B4. Boilers produce steam capacity of 650 t / h.

After renewal both blocks started back into operation in autumn 2016.

February 29, 2016

In January, it began production of pressure and non-pressure parts for boiler K3 in Sev.en EC (the power plant Chvaletice).

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March 18, 2016

Production of new low-emission burners for boiler K3 is going to the final. Pictures from the workshops TENZA, Inc. branch office in Ostrava.
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April 15, 2016
Installation of new windows pressure part to the boiler K3.
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Photo from coal burners assembly
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References