Transcription of A-USC(700℃級先進超々臨界圧発電)の技術開発と展望,三菱重 …
1 (2011) 8 *1 *2 *3 *4 *5 *6 A-USC(700 C ) Technical Development and Future Prospect of A-USC *1 *2 Shinji Nakamura Hirotake Kawashima *3 *4 Yasuhiro Takei Nobuhiko Saito *5 *6 Yoshinori Tanaka Shin Nishimoto 700 C A-USC (Advanced Ultra Super Critical A-USC) 700MW 46 (HHV ) Ni LTES700R t 12 Cr Alloy 617 |1. 100 C 700 C A-USC 10 A-USC 1998 Cool Earth 2008 700MW 700MW |2.
2 A-USC A-USC 2020 CO2 10 ( ) CCS(Carbon Dioxide Capture and Storage) GTCC(Gas Turbine Combined Cycle) ( ) (2011) 9 700 C 46 (HHV) 2008 (1) (( )IHI ( ) ( ) ( ) ( ) ( ) ABB ( ) ( ) ( ) ( )) ( ) USC 1 700MW 35 MPa 700 C 720 C 720 C ( ) (30 ECR) ( 4 40) 8 3600rpm (60Hz) (722mmHg) 46 ( )
3 53 A-USC 700 C Fe-Ni Ni 700 C Ni A-USC Ni (2011) 10 |3. (1) 35 MPa 700 C/720 C/720 C 700MW 46 (HHV) ( 53 ) LP L- ( ) TC4F40 VHP/HIP/LP/LP ( ) VHP/HP-IP VHP HP IP VHP/HP/IP/LP 1400MW (2) Ni ( ) Ni 500A ( ) (-) (A) 4 HR6W 450 2 HR6W 500 4 HR6W 500 (3) 30 ECR( ) 50 ECR 7MW/ (1 / )
4 50 ECR 90 ECR 21MW/ (3 / ) 90 ECR 100 ECR 7MW/ (1 / ) 220 290 890 TB (Turbine Bypass) HP-TB 1 LP-TB EC (Boiler Extraction Control) WDC (Water separator Drain Control) 2 BCP (Boiler Circulation Pump) 1 (2011) 11 / (220 C / ) (TB) HP ( ) (LP ) FCB (Fast Cut Back) WDC(Water separator Drain Control) EC(Extraction steam Control) 80mm (HR6W Alloy617 HR35) 350mm HR6W 350mm ( + + ) SO2 650 C 700 C 100 HR6W GTAW Ni (HR6W) (2011) 12 HR6W (1) HR6W (700 C 10 90 MPa ) HR6W Cr (2) Cr Cr 650 C 700 C Cr Ni SO2 S Ni HR6W ( ) HR6W Cr (1)
5 630 C 700 C A-USC Ni (2011) 13 Ni t 500 C 20 30t A-USC Ni Ni ( 1000mm 10t ) Ni 700MW (35 MPa 700 C/720 C/720 C) VHP+HIP Ni Ni Cr Ni 700MW (35 MPa 700 C/720 C/720 C) A-USC Ni 600 C USC 12Cr 600 C USC Ni Cr USC (2) Alloy617 Alloy625 Ni Ni ( ) 12Cr Ni Ni LTES700(Ni 12Cr 18Mo Ti) (3) LTES700 (4) (2011) 14 LTES700 LTES700R(Ni 12Cr 7Mo 6W Al Ti) (5) LTES700R LTES700 Ni LTES700R (700 C 10 100 MPa ) 12 Cr 100 C ( )
6 8t Ni (20 ) TIG LTES700R ( ) LTES700R 12 Cr 800mm ( ) ( ) LTES700R LTES700R 12Cr LTES700R 12Cr ( ) A-USC (Alloy625 Alloy617 Alloy740) Alloy617 ( ) (700 C 10 80 MPa ) ( ) U520 LTE700B (2011) 15 Alloy617 Alloy617 |4. (1) 46 (HHV) (2) Ni (3) LTES700R t Alloy617 (1) A-USC 2011 P22 (2) Yasuhiro Tanaka et al.
7 , Coal Ash Corrosion Properties of Ni-Base Alloy for Advanced-USC Boiler, 6th International Conference on Advances in Materials Technology for Fossil Power Plant, (2010), P303, EPRI report number 1022300 (3) Ni (2004) P37 (4) 700 C (2006) P821 (5) Ryuichi Yamamoto et al., Development of Ni-based Superalloy for Advanced 700 C-class Steam Turbines, 5th International Conference on Advances in Materials Technology for Fossil Power Plants, (2007), EPRI report number 1016250
