The Siemens Gasification Process and its Application in the Chinese Market

Transcription

1 The Siemens Gasification Process and its Application in the Chinese Market Dr.-lng. Klaus-Dieter Klemmer Director, Sales and Marketing, Fuel Gasification

2 Engineering / R&D Center in Freiberg 5MW Office 3MW 2006 Gasification Technologies Conference Power Generation 2

3 Siemens Gasification Test Center in Freiberg 5 MW 3 MW Office Gasifier VV100 Reactor with cooling wall 2-3 MW max. 30 bar Gasifier Reactor with cooling screen 3-5 MW max. 30 bar Pulverized fuel dosing and feeding system up to 10 t/h Slurry feeding 300 kg/h Sewage sludge drier 500 kg/h Pyrolysis unit 500 kg/h Inert gas plant 1000 Nm 3 /h 80 bar Oxygen plant max. 300 Nm 3 /h 80 bar SulFerox desulfurization unit Waste water treatment COS hydrolysis HCN hydrolysis 2006 Gasification Technologies Conference Power Generation 3

4 SIEMENS SFG Entrained-Flow Gasifier Burner Fuel Pressur. water outlet Cooling screen Oxygen, Steam Fuel Oxygen, Steam Pressur. water inlet Quench water Cooling jacket Gas outlet Water overflow Slag discharge unit Granulated slag Raw gas Slag 2006 Gasification Technologies Conference Power Generation 4

5 Cooling Screen of the Gasification Reactor Membran wall Pressurized water Liquid slag Solid slag Ramming mass Pipe coil with studs 2006 Gasification Technologies Conference Power Generation 5

6 Cooling Screen after 10 Years in Service 2006 Gasification Technologies Conference Power Generation 6

7 Combined Burner for Coal Gasification Cooling water Oxygen/steam Cooling water Ignition voltage Flame signal Fuel gas to pilot Cooling water Cooling water Pulverized coal Cooling water Cooling water 2006 Gasification Technologies Conference Power Generation 7

8 Pneumatic Feeding System for Solid Materials Fuel Nitrogen Depressurization LIA Storage bin M PI TI M Depressurization PIC PIC Nitrogen Lock hopper M H LIC L H LIC L Lock hopper M Nitrogen FIC LIC UC Q S Fuel to gasifier Feeding vessel PI Nitrogen M 2006 Gasification Technologies Conference Power Generation 8

9 Development of High Performance Gasifiers 200 MW ~ Nm 3 /h (H 2 +CO) 500 MW ~ Nm 3 /h (H 2 +CO) 1000 MW ~ Nm 3 /h (H 2 +CO) 1500 MW ~ Nm 3 /h (H 2 +CO) Ø Ø3100 Ø3600 Ø Gasification Technologies Conference Power Generation 9

10 Project HCC Anhui Province, PR China Anhui Huainan Chemical Group Co., Ltd. PR China Scale Coal 180,000 t/a ammonia 50,000 t/a methanol Huainan Coal (FT= 1610, ash content= 25-32%) Gas output 85,000 Nm 3 /h (CO+H2) 2 x 200 MW th Pressure 4.0 MPa(g) Cooling screen type reactor Planned start-up End of Gasification Technologies Conference Power Generation 10

11 Anhui HCC-Project - Special Issues HCC-Project Service of Siemens: - Preparation of Process Design Package 07/ Offer for Proprietary Equipment 08/2006 Special Challenge Solution by Siemens - Very high Flow Temperature of the Ash (FT = 1610 C) - Very high amount of Ash ( %) Gasification Tests with different amounts of Flux (25 0 %) Design of slag crusher to prevent blocking in the lock hopper 2006 Gasification Technologies Conference Power Generation 11

12 Project Ningmei DME Ningxia Autonomous Province, PR China Shenhua Ningxia Coal Industry Group Co., Ltd. PR China Scale 600,000 t/a methanol, first stage of 830,000 t/a DME Yinchuan Erection Site Coal Ningxia Coal Gas output 200,000 Nm 3 /h (CO+H 2 ) 2 x 500 MW th Pressure 4.0 MPa(g) Cooling screen type reactor Planned start-up End of Gasification Technologies Conference Power Generation 12

13 Ningmei-DME-Project - Special Issues Ningmei-DME-Project Service of Siemens: - Preparation of the Basic Design Engineering Package - Offer for Proprietary Equipment 08/ /2006 Special Challenge Solution by Siemens - first time use of CO 2 as carrier and lock hopper gas - first time use of our designed 500 MW gasifier Realization of feeding - and gasification tests in our test facilities in Freiberg Cooperation with Technical University Freiberg for CFD-Modelling 2006 Gasification Technologies Conference Power Generation 13

14 Project Linggu Jiangsu Province, PR China Jiangsu Linggu Chemical Industry Co., Ltd. PR China Scale Coal 300,000 t/a ammonia Shenhua Coal Gas output 85,500 Nm 3 /h (CO+H 2 ) 2 x 200 MW th Pressure 4.0 MPa(g) Cooling screen type reactor Planned start-up: End of Gasification Technologies Conference Power Generation 14

15 Linggu-Project - Special Issues Linggu-Project Service of Siemens: - Preparation of the Basic Design Engineering Package - Offer for Proprietary Equipment 02/ /2006 Special Challenge Solution by Siemens - Basic Engineering according to SINOPEC standards Cooperation with East China Engineering Science and Technology Co., Hefei 2006 Gasification Technologies Conference Power Generation 15

16 Advantages of Siemens Gasification Technology High carbon conversion efficiency of up to >99 % Generation of a raw syngas free from hydrocarbons, i.e. absolutely tar-free No dioxin/furan formation even at high chlorine content in the gasification feed No heed to be given to ash content and ash composition High gasifier performance (short retention time) High availability Quick gasifier startup and shutdown (approx. 1 hour) Multiple-fuel feeding Proven cooling screen life time >10 years 2006 Gasification Technologies Conference Power Generation 16

17 Thank You! Any Questions? 2006 Gasification Technologies Conference Power Generation 17