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Economiser Metallic Bellows

Operating parameters of coal-fired power plant in Lünen

Output: 750 MW
Efficiency: ~46 %
Operating hours: 8000
Boiler house: 104m
Cooling tower: 160m
Total costs: 1.4 Billion
Schematic description of the completed coal-fired power plant at Lünen

Installation location of expansion joints

DEKOMTE supplied for the new construction of the coal-fired power plant at Lünen 4 expansion joints that have been installed amongst others at the boiler outlet, in front of the economiser and in front of the DENOX.

Installation position of the 4 large metallic expansion joints

Manufacture and delivery in one piece

The single-layer metallic expansion joints have been manufactured by DEKOMTE in one piece and were transported directly to the power plant's own harbour by means of heavy load and shipping.

Transport of large metallic expansion joint

Example of operating parameters for metal expansion joint

Temperature: 450°C
Movement:
axial:    -240 +90mm 
lateral: +/- 25mm
Dimensions: 23m x 5m x 2,0m
Weight: ~40 tons
Large metallic expansion joint manufactured by DEKOMTE

Example of operating parameters for metal expansion joint

Temperature: 450°C
Movement:
axial:    -268 +95mm 
lateral: +/- 50mm
Dimensions: 21m x 5m x 2,8m
Weight: ~40 tons
Metallic expansion joint manufactured by DEKOMTE