By R. Viswanathan (ed.), D. Gandy (ed.), K. Coleman (ed.)
A number of elements have renewed all over the world curiosity in complicated, high-efficiency coal energy crops over the past decade. those elements contain the abundance of coal and the necessity to preserve a plausible coal alternative whereas lowering gasoline expenses, emissions, and waste from strength crops. the main allowing know-how that drives excessive potency energy crops is the advance of complicated fabrics and coatings with enormous raises in creep energy and corrosion resistance over conventional alloys. The papers offered during this lawsuits quantity mirror the newest learn on themes similar to fabrics for ultrasupercritical coal-fired boilers, boiler fabrics, steam turbine fabrics, lifestyles administration, weld habit, and microstructural results in creep.
Overview/key issues (6 papers)
Boilers (17 papers)
generators (10 papers)
Creep/Life administration (8 papers)
Welding (8 papers)
Oxidation (5 papers)
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Additional resources for Advances in Materials Technology for Fossil Power Plants: Proceedings of the 5th International Conference EPRI
Special thanks Brian Sparks and Tom Geer of ORNL for their work on the experimental study and to Mike Brady who reviewed this manuscript. References 1. 1109‐1129 2. Vitalis, R. 281‐ 292 3. Forschungszentrum Jülich GmbH (2006) pp. 107‐120 27 4. 2004 ASME Boiler and Pressure Vessel Code. © 2004 The American Society of Mechanical Engineers. 5. 2004 ASME Boiler and Pressure Vessel Code. © 2004 The American Society of Mechanical Engineers. 6. Coutsouradis et al. 485‐494 7. 9, 620‐ 626 8. October 1960, 166‐179 9.
The demand of electricity increases sharply and the power equipment production develops quickly as shown in Fig. 8 [5-10]. The output of power equipment keeps rising year after year. The output of power equipment is almost double in 2004 with the comparison of 2003 and it reached 110GW in 2006. Fig. 7 Three big manufacturing bases of power equipments in China Fig. 8 Power equipment production and its annual growth rate Equipments for electric generation with water, fossil-fired, gas, nuclear and wind force will be developed simultaneously in China.
The steam temperatures of the older plants are 538 deg-C or 566 deg-C. We have done a case study on the refurbishment of one of these plants with the advanced USC technology that uses a 700 deg-C class steam temperature in order to increase the thermal efficiency and to reduce CO2 emissions. 1MPa/538 deg-C /538 deg-C steam condition. We studied three possible systems for the refurbishing. 1MPa/610 deg-C/720 deg-C system. In addition to these, the most current technology system with 600 deg-C main and reheat temperatures was studied for comparison.