MHI Air-Blown IGCC Technology & Application to Chinese Project

Transcription

1 MHI -Blown Technology & Application to Chinese Project Mitsubishi Blown in Japan November, 2011 Outline of MHI -blown System Gasification / Gas Clean-up Island Produce clean syngas from coal effectively Key is Engineering Ability to Integrate Total System Configuration Effectively Pulverizer High Efficiency Heat Exchanger Gas Power Block Stack Effective power generation by using GTCC Recycled Generator Transformer Hopper Char Gas Turbine N2 High Efficiency Cooling Hopper ASU O2 Gas Turbine Cooling Water Water Compressor Compact ASU for N2 product : Byproduct O2 is effectively utilized as gasifying agent Steam Turbine Heat Recovery Steam Generator 2 Features of MHI -Blown -Blown is MHI s s original technology and supplied only by MHI. MHI -Blown achieves the world highest efficiency. -blown Lower auxiliary power (Large Capacity ASU units are not necessary) Dry coal feed Lower heat loss than slurry feed Plant Efficiency Gross Auxiliary Power 48% Net MHI -Blown +3%(abs.) +5%(abs.) 45% O2-Blown (Dry Feed) Assumption Same gas turbine applied 43% O2-Blown (Slurry Feed) 42% USC Conventional 3

2 Mitsubishi /Gasification Technology Development Fuel Capacity (ton/day) 10,000 5,000 1, t/d Pilot Plant (Nakoso) 2t/d PDU (CRIEPI) Pilot Test Plant (MHI Nagasaki) PDU : Process Development Unit CRIEPI : Central Research Institute of Electric Power Industry 2MW / 1,700t/d Demo. Plant CCP 0MW or More Commercial Plant Successful operation - National Project in Japan - Ensures Quality & Performance Current Status - Takasago Nagasaki HRSG GT / ST Tokyo Yokohama Gas Clean-Up Nakoso 30% Subsidy METI 70% Contribution Clean Power R&D Co., Ltd. MHI Ministry of Economy, Trade and Industry Researchers Joint Project Agreement Hokkaido EPCo. Tohoku EPCo. Tokyo EPCo. Chubu EPCo. Hokuriku EPCo. Kansai EPCo. Chugoku EPCo. Shikoku EPCo. Kyushu EPCo. J-Power CRIEPI Single Point Responsibility (EPC Turn-Key Contract) Project is going on Schedule. Operation started Sep % Load 2,000hrs. Continuous Operation finished Change / Load Swing / Efficiency Improvement, etc. 5,000hrs. Durability Test finished Subsidy from METI ended Engineering Construction Operation 5 Achieved Successful Operation! Full Load (2MW) : March, ,000hrs. Continuous Operation : Sep., ,000hrs. Durability Test : June, 2010 ITV 100% Load (Gross Output: 2MW) Unburnt carbon in slag: < 0.1wt% 6 - Targets & Accomplishments - Targets Achievements Future Plan Output 2MW 2MW Performance Efficiency (Gross/Net, LHV) >48% / > 42% 48.9% / 42.9% Carbon Conversion > 99.9% > 99.9% Emission Operational Flexibility Reliability SOx NOx Dust Kinds < 8 ppm < 5 ppm < 4 mg/m 3 N Bituminous Sub-bituminous 1.0 ppm 3.4 ppm < 0.1 mg/m 3 N Chinese PRB Indonesian Colombian Start-up Time < 18 hr 15 hr Minimum Load % Less than % Ramping Rate 3% / min 3 % / min Long-term Continuous Operation 2,000 hr 2,238 hr Long-Term Reliability Run 5,000 hr 5,013 hr All of the demonstration targets have been achieved. Future plan focuses on the further improvement of operational flexibility. Expanding 7

3 Present Status of 2MW Demonstration Project (Nakoso) The earthquake and tsunami attacked the Demo. Plant on Mar. 11, All facilities flooded 2 m above the ground level and piping, etc. damaged, but the plant shut down quite in safe, with neither dangerous situation like syngas leakage nor explosion. No fatal damage due to the earthquake-resistant resistant design of main equipments. After 4.5 months restoration, the plant came back, and since July 28 it has been continuously operating for 1,0 hrs. right now at full load. Demo. Plant in Operation after Restoration (September) Tsunami Flooding 8 - Restoration of Damage by Earthquake - March 11 April 8 April 8 Photo: Clean Power R&D Co., Ltd Power Output (MW) Earthquake & Tsunami Plant Restart Copyright Clean Power R&D Co., Ltd 0 March /3/ /3/ /3/20 July /3/ /3/30 Present - NEDO FS Scheme - 11 Mitsubishi Blown for Chinese Market and Chinese FS with China Power Investment Corporation Design Condition Summary Result MHI / MC FS Fee FS Report NEDO NEDO: New Energy and Industrial Technology Development Organization

4 CO2 - FS Overall Schedule Overview - 13 July 14, 2011 Preliminary Kick-off MTG with NCPE & DEC August 10, 2011 Kick-off MTG with CPI, NCPE & DEC Nov. 1, 2011 Interim MTG with NCPE & DEC Ongoing Design and Estimation with NCPE & DEC 2011/ Aug. Sep. Oct. Nov. Dec. 2012/Jan. Feb. Mar. Reporting Kick-off Site Expiration of the term of to CPI MTG Survey the contract with NEDO H&MB Design Estimation & Review Report for NEDO Owner (China Power Investment Corp.) Site Undisclosed Fuel (Bituminous ) Plant Configuration 0 MW Class x 2 trains (-blown, M701F Gas Turbine, 1 on 1 Single Shaft) Study Scope Interface Start-up fuel Handling Bunker & Grinding Handling ASU & Syngas Cooler Discharge Water, Sewage 2-grade city sewage Gas Clean-up Byproduct Byproduct HRSG & SCR Stack Switch Yard Generator Gas Steam Turbine Turbine Condenser Gasification Cooling Booster Tower CO2 DEC Compressor MHI / DEC NCPE To be confirmed during FS Sequestration Other - Conceptual 3D model with Scope - In collaboration with DEC and NCPE, Chinese companies supply most part of plant. Supplied by MHI Supplied by DEC Supplied by NCPE Turbine Building 14 Expected Performance of Net Efficiency (LHV %) MW 140 Demo. Plant 701DA G/T 540MW 330 Chinese 701F G/T MW Gross Output Item Output Gross Net Oxidizer Feed Specification Bituminous Approx. 540 MW Approx. 480 MW Dry Acid Gas Clean-up Wet MDEA Gas Turbine M701F Gross Efficiency (LHV) Approx. 52 % w/o CO2 Capture Net Efficiency (LHV) Approx. 47 % w/o CO2 Capture Emission SOx < 7.4 mg/nm 3 from HRSG Stack NOx < mg/nm 3 (15%O2, dry) Dust < 1.6 mg/nm 3 Note: Ambient condition; temp.11.4deg-c, pressure bara,, RH 61%. 15

5 Preliminary Plant Layout of Warehourse / Administration Building Flare Chemical Dosing System, etc. Substation Cooling Tower ASU Power Block Waste Water Gas Clean-up 16 Conclusion 1. Mitsubishi Blown 1) Ready for commercial application 2) World Highest Efficiency Decrease CO2 / Efficient use of coal resource 2. Cooperation with Chinese Partners (NCPE & DEC) Competitive in China 3. Successful cooperation in China Contribute to competitive worldwide 17 Required Area : Approx. 470 m x 470 m Ongoing Optimization of Plant Layout Commercial scale in China = Key for development worldwide Mitsubishi s s Contribution for Energy and Environment Solutions Thank you!!