J-POWER s CCT Activities

Transcription

1 J-POWER s CCT Activities Hiroto Shimizu Senior Advisor, International Business Management Department

2 3E + S Philosophy* *) Basis of Energy Policy

3 Who is J POWER? Established as Government owned Electric Power Utility in Privatization through IPO in 2004 Japan s biggest wholesale power company. Tokyo Kansai Chubu Kyushu Tohoku J POWER Chugoku Hokuriku Shikoku Hokkaido Okinawa 0 Hydro Thermal Nuclear Handbook of Electric Industries (FY2011) 40,000 20,000 60,000 80,000 [MW] Wholesale Electric Power Facilities Hydro power (59 stations, 8,565,500 kw) Thermal power (7 stations, 8,412,000 kw) Geothermal (1 station, 15,000 kw) Substation (frequency converter, switching station) Transmission lines (2,407.7 km) Hydro power (under construction, preparation) Nuclear (under construction) Transmission lines (under construction) New businesses (Capacity) Wind power Others Research Institutes (18 station, 352,860 kw) (8 stations, 877,300 kw) (As of March 31, 2012)

4 J POWER s Coal Fired Power Stations Takehara 1# 250MW(1967) 2# 350MW(1995) 3# 700MW(1983) Takasago 1# 250MW(1968) 2# 250MW(1969) Ishikawa 1# 156MW(1986) 2# 156MW(1987) Matsuura 1# 1,000MW(1990) 2# 1,000MW(1997) Green : Sub-Critical < 22.1MPa Blue : Super Critical 22.1MPa, 566 Red : Ultra Super Critical 22.1MPa, >566 Matsushima 1# 500MW(1981) 2# 500MW(1981) Tachibanawan 1# 1,050MW(2000) 2# 1,050MW(2000) Isogo New 1# 600MW(2002) New 2# 600MW(2009) 4

5 Tachibanawan Power Station Rated Output: 2 1,050MW COD: #1 July 2000 #2 Dec 2000 Steam Condition: 25MPa, 600/610deg.C The Biggest USC Power Unit in Japan The First Unit achieves 600/610 deg.c in the world Emission Regulation SOx : 50 ppm Wet Limestone-Gypsum NOx : 45 ppm Two Stage Combustion, Low NOx Burner, SCR Dust : 10 mg/m3n Low Low Temp ESP, FGD 5

6 Isogo Power Station New #1 Rated Output: 1 600MW COD: New #1 Apr 2002 Steam Condition: 25MPa, 600/610deg.C Cleanest Emission of Coal Fired Power Plant in the World Emission Regulation SOx : 20 ppm ReACT (Dry Type FGD) NOx : 20 ppm Two Stage Combustion, Low NOx Burner, SCR Dust : 10 mg/m3n ESP, ReACT 6

7 Isogo Power Station New #2 Higher Efficiency and Cleaner Emission than New #1 Rated Output: 1 600MW COD: New #2 July 2009 Steam Condition: 25MPa, 600/620deg.C New #2 Emission Regulation SOx : 10 ppm ReACT NOx : 13 ppm Two Stage Combustion, Low NOx Burner, SCR Dust : 5 mg/m3n ESP, ReACT 7

8 Development of Ultra Super Critical Steam Condition Steam Temperature ( ) steam temperature Tachibanawan #1&2 (25.0,600/ 610) steam pressure Isogo New#2 (25.0,600/ 620) Isogo New#1 (25.0,600/ 610) Matsuura #2 (24.1,593/ 593) Steam Pressure (MPa) Year

9 CCT Roadmap of Japan 60 IGCC, IGFC and A USC are promising CCTs in medium and long term. Efficiency (net %, HHV) Single cycle Combined cycle Triple combined cycle Sub SC (Steam pressure : <22.1MPa) USC (Stem temp. : >593, pressure : 22.1MPa) SC (Steam temp.: <566, Pressure : 22.1MPa) IGCC w/ 1,500 GT A USC IGCC w/ 1,300 GT (Steam temp.: 700, pressure : 35MPa) IGCC demo. w/ 1,200 GT IGCC w/ 1,700 GT (Source : Ministry of Economic, Trade and Industory Japan, ) IGFC

10 Major KeyTechnology Development 11% CO 2 Pulverized Coal Firing Sub-C (Sub Critical) 34 ~ 36% Note SC (Super Critical) 38% Natural Gas Combined Cycle 17% CO 2 USC (Ultra-SC) 41% 1300 GT 1500 GT A-USC (Advanced USC) 13% CO 2 25%~ CO GT :Coal :LNG Coal Gasification 1300 IGCC 43 ~ 44% 1500 IGCC 46 ~ 48% 1700 IGCC 50%~ Fuel Cell MCFC SOFC (High Temperature FC) Note : Net Efficiency HHV basis J-POWER s R&D activities shown in red IGFC Integrated Coal Gasification Fuel Cell Combined Cycle > 55%

11 Overview of the EAGLE Project EAGLE (coal Energy Application for Gas, Liquid, and Electricity) * In collaboration with NEDO funded by METI STEP1: Development of EAGLE gasifier FY 1) Development of oxygen-blown entrained-flow gasifier 2) Establishment of gas cleanup technology STEP2: Multiple Utilization and Coal Diversification FY 1) CO 2 capture from coal gas (chemical absorption) 2) Coal type diversification (high ash fusion temp. coal) 3) Research for trace elements behavior Establishment the technology of EAGLE system STEP3: For Next Generation IGCC (+CCS) FY 1) CO 2 capture (physical absorption) - suitable for higher pressure* 2) Survey of innovative CO 2 capture technology

12 Flow Diagram of the EAGLE Pilot Plant Coal Gasification Cold Gas Cleanup Fine Desulfurizer Coal Gasifier Syngas Cooler MDEA Stripper Limestone Scrubber Char Filter GGH Water Scrubber Water Scrubber MDEA Absorber Gypsum Slag Char Sour Shift Physical CO2 Capture N2 O2 N2 Sweet Shift Chemical CO2 Capture Waste Heat Recovery Boiler Air Comp GT G Incinerator Air Feed Compressor Rectifying Column Air HRSG Air Separation Unit Gas Turbine ST (not installed) G Stack

13 Bird s-eye View of EAGLE Pilot Plant Facilities Air separation unit Coal gasification unit GT Gas clean-up unit CO 2 Capture Unit (Physical) CO2 Capture unit (Chemical) 13

14 Scale-Up Step for Commercialization EAGLE Project (J-POWER) Coal Feed Rate : 150 t/d Test Run : StepⅠ 02~ 06, StepⅡ 07~ 09, StepⅢ 10~ 13 Objectives : Pilot test of Oxygen-blown Gasification and Carbon Capture Technology J-POWER Wakamatsu Osaki CoolGen Project (OCG) Coal Feed Rate : 1,180 t/d (Output 166MW class) Commissioning : March 2017 Objectives : Large scale IGCC test of Oxygen blown Gasification and Carbon Capture Technology EnerGia Osaki P/S Oxygen-blown IGCC/CCS commercial plant ( MW class)

15 Schedule of Osaki CoolGen Project Fiscal 年 Year 度 Environmental Impact Assessment Optimization Research & Study NEDO joint research projects [Phase1 ] IGCC [Phase2] IGCC with CO 2 Capture Design, Manufacturing and Construction 2013/3/1 Groundbreaking Test Operation Design, Manufacturing Test and Construction Operation [Phase3] IGFC with CO 2 Capture Design, Manufacturing and Construction Test Operation

16 OCG Project Plan System Flows of each steps in OCG Large Demonstration Test Program Gasifier Clean-up CO2 capture CO H2 CO2 ASU N2 O2 Coal H2 rich gas AC GT ST G FC 1 st Step 2 nd Step 3 rd Step IGCC demo IGCC+CO2 capture IGFC+CO2 capture

17 Responding for Global Warming Issue -Limit of Efficiency Increase- Limit of Efficiency Increase BAT PCF < 0.8kg-CO 2 /kwh Next Gen. IGCC 0.7kg-CO 2 /kwh IGFC 0.6 kg-co 2 /kwh Latest Discussion Ex.) USA EPA s NSPS = 1 lb-co 2 /kwh 0.45kg-CO 2 /kwh This criterion is approximately equivalent to the performance of NGCC

18 Category of CO 2 Capture Technologies and J-POWER s Experience CO H2O CO2(30-40%) H2 rich gas Pre-combustion EAGLE Project Gasifier H2 O2 Flue gas treatment ASU Coal Shift reactor H2 CO+H2O->CO2+H2 Air CO2 separation Compression /Cooling Use of H2 CO2 storage Post-combustion Flue gas treatment CO2(12-15%) H2O CO2 separation N2,H2O,O2 Matsushima Pilot. Test Boiler Air Coal Compression /Cooling CO2 storage Oxy-fuel combustion Flue gas treatment (70-80%) CO2 Compression /Cooling CO2 storage Australia / Japan Project Boiler Flue gas recirculation O2 ASU Coal Air H2O Non-condensable gas

19 Thank you for your attention. Acknowledgment EAGLE project has been managed by J-POWER in collaboration with NEDO, funded by METI