Siemens Fuel Gasification Technology Stoffliche Nutzung der Braunkohle

Transcription

1 Symposium "CO 2 -arme stoffliche Nutzung von Braunkohle - Eine Perspektive mit Zukunft!" Siemens Fuel Gasification Technology Stoffliche Nutzung der Braunkohle Siemens Fuel Gasification Technology GmbH & Co. KG siemens.com/energy/fossil-power-generation

2 History of GSP Technology in Freiberg 1978: Initial technology development with focus on low-rank, high-ash lignite Freiberg Germany 1984: Start-up first commercial plant (200MW), operated on lignite, coal and various residuals/waste 1995: Start-up test plant (5 MW th gasifier, liquid/solid feeding system, fuel analysis) 2006: Start-up SFG-200R operated on liquid fuel 2010: Start-up 5xSFG-500 operated on coal 5 MW th Gasification Test Plant Office 2012: Establishment of Siemens Fuel Gasification Technology Ltd. China Feed System Test Rig 2014: Construction of 8xSFG-500 and 24xSFG-500 gasification plants Page 2

3 Siemens Scope Basic Engineering & Key Components Combined Burner Gasifier Project Execution Basic Engineering of Gasification Island Critical Gasification Equipment Supply Feeder Vessel Feeder Vessel Combined Burner Gasifier Start-up & Operation Technical Field Assistance Service Scope of Gasification Island Page 3

4 Siemens offers Gasifier Types for every Feedstock Feedstock's with more than 3 wt% ash content Lignite's, Sub-bituminous and Bituminous coals, Hard coals, Feedstock's with less than 2 wt% ash content Petroleum coke, Bitumen, Tars, Oils, Asphaltenes, Biomass, Cooling Screen Design Fuel Oxygen, steam Pressurized Pressurized water water inlet outlet Burner Refractory Wall Design Cooling wall Burner insert Cooling screen Quench water Reactor 1300 to 1800 C Refractory lining SiC layer Cooling water Quench water Total quench Cooled reactor outlet Quench Gas outlet Gas outlet Granulated slag Page 4

5 Siemens Fuel Gasification Technology Cooling Screen Type Gasifier Pressurized water inlet Cooling screen Quench water inlet SFG Gasifier (> 3 wt % ash) Feedstock Reactor C Quench O 2 H 2 O Pressurized water outlet Burner Granulated slag Quench water inlet Syngas outlet Fuel flexibility Features Lignite, bituminous and sub-bituminous coal, hard coal, anthracite Dry feeding high efficiency (>80%) high carbon conversion rate (>98%) Cooling screen short start-up/shut-down (~2h) Long lifetime & high availability Full quench simple and reliable ideal for CO sour shift Single main burner with integrated pilot burner Automatic start up without removal of start burner Modular concept for simplified maintenance Pilot burner secures hot stand by under full pressure Page 5

6 New size for improved specific CAPEX but still transportable fully assembled SFG-500 SFG-850 Coal input [t/d] Operation pressure [bar(a)] Syngas output [Nm 3 /h] 130, ,000 Reaction chamber volume [m 3 ] Dimensions (OD x L) 4 x x 22.4 Weight [t] Pressure shell material carbon steel (SA 516) carbon steel (SA 516) Page 6

7 SFGT based Polygeneration Concept Modular combination of different technologies integrates (excess) wind and solar power for flexible and clean coal industry with low risk and high development potential. Page 7

8 Vorschlag eines Syngasverbundsystems für Mitteldeutschland vor 1990 Magdeburg Egeln Wolfen Bitterfeld Buna Halle Central Gas Works Leipzig Leuna Wallendorf Espenhain Zeitz Böhlen Page 8

9 Polygeneration und Stoffliche Nutzung in Schwarze Pumpe Vergasung und Konvertierung unterschiedlicher Kohlenstoffträger in Methanol und Strom Vorhandene Infrastruktur marode und Idee eines Strukturwandels zu komplex Neue Technologien und Weiterentwicklungen heute vorhanden Page 9

10 Polygeneration A Flexible Clean Fuel Utilization CO2 for Enhanced Oil Recovery Page 10

11 SFGT based Advanced Green Cycle Concept Addition of renewable power for auxiliaries (already today) Processes not needed in case of sufficient power from renewables (longterm future) O 2 O 2 Storage CO 2 Gasification CO, H 2 (deficit) H 2 CO Chemicals (Urea, SNG, MeOH, Diesel) O 2 H 2 O = H O 2 H 2 for adjusting stoichiometric ratio (i.e. reduced/no CO shift and CO 2 capture) Steam H 2 O Addition of renewable power Green H 2 high power demand H 2 CO Combined Cycle Power (to grid or for auxiliaries) Page 11 Polygeneration allows stepwise integration of fossil and renewable energy Up to 90 % CO 2 reduction possible

12 New Sour Gas Shift (SGS) Technology Cooperation between Siemens and Clariant Inhibited Pre-Shift Catalyst ensures safe operation (no temperature runaway) Lower catalyst volume, CAPEX reduction No steam consumption, OPEX reduction Improves total plant efficiency by ~1% Standard Catalyst 1xSFG-500 Standard Shift Siemens/ Clariant CAPEX 100% 80% Consumption MP Steam (42 bar) t/h Generation MP Steam (42 bar) t/h Pre-Shift Catalyst LP Steam (5.5 bar) t/h Net Balance MP Steam (42 bar) t/h LP Steam (5.5 bar) t/h Page 12

13 Experience and Project Overview Siemens gasification technologies are used for a broad variety of applications and have developed a global track record of success over the last two decades. Page 13

14 Reference Project Ningxia Coal to Polypropylen (NCPP) Coal features Sub-bituminous coal Ash content: typ wt% min.-max wt% Moisture: <30 wt% Performance features Gasifier operation mode: 4 (in operation) + 1 (standby) Dry coal input: 85 t/h per gasifier Total syngas output: Nm 3 /h (CO+H 2 ) Methanol ouput target: t/d Power station Air separation units Methanol-topolypropylene Black water treatment Gasification (5xSFG-500) Page 14

15 NCPP Site Impression Gasifier during installation Black water treatment plant CO shift Gasifier building Page 15

16 NCPP Reference Plant Achievements Front view NCPP plant SFG-500 achievements longest continuous single gasifier runtime: 160 d longest continuous plant runtime (4+1): 230 d total achieved plant availability: 91% CO + H2 content (effective syngas): > 92% fast start-up / shut-down capabilities: < 2 h high fuel flexibility: 7 to 28 % ash content Page 16 Commercial operation and high availability since 2012 In average more than 5300 t/d methanol production achieved (design 5000 t/d)

17 Shenhua Ningxia Coal Group BBL/d CtL World largest CtL Plant, Ningxia, China Facts and Figures Gasifier manufacturing China 24 x 500 MW SFG gasifiers Sub-bituminous coal Ash content: typ wt% Moisture: <30 wt% Input / Output > 2,300 t/h coal input > 2,700,000 Nm³/h syngas 110 t/h Naphta 352 t/h Diesel 42 t/h LPG Schedule PDP finished Hardware procurement ongoing Construction started 2016: Commissioning Page 17

18 Disclaimer This document contains forward-looking statements and information that is, statements related to future, not past, events. These statements may be identified either orally or in writing by words as expects, anticipates, intends, plans, believes, seeks, estimates, will or words of similar meaning. Such statements are based on our current expectations and certain assumptions, and are, therefore, subject to certain risks and uncertainties. A variety of factors, many of which are beyond Siemens control, affect its operations, performance, business strategy and results and could cause the actual results, performance or achievements of Siemens worldwide to be materially different from any future results, performance or achievements that may be expressed or implied by such forward-looking statements. For us, particular uncertainties arise, among others, from changes in general economic and business conditions, changes in currency exchange rates and interest rates, introduction of competing products or technologies by other companies, lack of acceptance of new products or services by customers targeted by Siemens worldwide, changes in business strategy and various other factors. More detailed information about certain of these factors is contained in Siemens filings with the SEC, which are available on the Siemens website, and on the SEC s website, Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described in the relevant forward-looking statement as anticipated, believed, estimated, expected, intended, planned or projected. Siemens does not intend or assume any obligation to update or revise these forward-looking statements in light of developments which differ from those anticipated. Trademarks mentioned in this document are the property of Siemens AG, it's affiliates or their respective owners. Page 18