Development of Boiler Technology for 700°C A-USC PlantMUROKI Katsuyuki Manager, Boiler Plant Planning Department, Boiler Plant Division, Energy & Plant : Operations For the purpose of putting 700°C Advanced-Ultra Super Critical (A-USC) power generation technology into practical use, IHI developed fundamental technologies for boilers from 2008 to 2013. In particular, IHI examinedThe Way to High Efficiency Boilers for Power Plant Led by 700°C-class Advanced Ultra-Super Critical (A-USC) boilers As an economical solution for reducing CO 2 emissions from boilers for coal-fired power plant, IHI is conducting verification tests of a system that achieves high power generation efficiency by generating steam with temperatures over 700°C. MUROKI Katsuyuki Boiler Basic Design Department,Development of Materials for Use in A-USC BoilersDevelopment of Materials for Use in A-USC Boilers *3 *1NOBUHIKO SAITO NOBUYOSHI KOMAI*2 YASUO SUMIYOSHI YASUHIRO TAKEI*4 *4MASAKI KITAMURA TSUYOSHI TOKAIRIN*4 The 700°C-class advanced ultra-supercritical (A-USC) boiler is a promising technology for high-efficiency coal-fired thermal power generation. To realize such boilers, it is critical toNew Japanese materials for A-USC power plants - ScienceDirectRecent years have seen the development of advanced ultra-supercritical (A-USC) boiler technology that is aimed at raising steam temperature to 700°C , . The key to ensuring more favorable steam conditions is the development of new boiler tubes and pipes for use under more severe high-temperature environments.Research and Development of Heat-Resistant Materials for Materials-development projects for advanced ultra-supercritical (A-USC) power plants with steam temperatures of 700 °C and above have been performed in order to achieve high efficiency and low CO 2 emissions in Europe, the US, Japan, and recently in China and India as well. These projects involve the replacement of martensitic 9%−12% Cr steels with nickel (Ni)-base alloys for the highest IEAIHI boiler designs feature Clean Coal Technology (CCT), which enables the use of coal more efficiently and economically, resulting in lower CO2 emissions and a better utilisation of the world’s limited natural resources. IHI’s accumulated technology is also used in other coal-fired power plant applications, such as De-NOx and De-SOx.

The Effect of Cold Working on Creep Rupture Strength and A-USC, HR6W, Cold Working, Creep Strength, Grain Boundary Shielding Ratio, M 23 C 6 Carbide. 1. Introduction. For coal-fired power plants, the technology of the Advanced-Ultra Super Critical (A-USC) boilers is being developed with the purpose of enhancing generation efficiency and reducing CO 2 emissions [1] - [6] . The steam temperature of A boiler steam ihiDevelopment of Boiler Technology for 700°C A-USC Plant. participation of domestic material, turbine, valve and boiler manufacturers. IHI has participated in its development as a boiler manufacturer and contributed to developing boiler fundamental technology. Figure2 shows the development plan for A-USC fundamental technologies.Introduction of the state-of-the-art technology of IHI for of IHI for Ultra-SuperCritical power plant. CCT Information Exchange Workshop 2009. Shinagawa Prince Hotel. Shin_ichi TAKANO. 3.3 Material selection of USC boiler Development of USC technology. A-USC Technology (700. o. C Research)