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GEC GmbHSilicon Solutions
for the Poly-Si Market
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The most known Si-producers in the Year 2009
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GEC can help YOU to become one of them!
Client
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GEC‘s Experience
GEC is a consulting / engineering / vendor firm experienced in the fields of high-tech equipment and projects for poly-silicon manufacturing.
GEC has already been selected by national and international clients, for delivery of equipment and providing engineering and consultancy services for most advanced poly-silicon projects
Established and supplying equipment since 2001
More than 180 reactors already ordered by clients
More than 100 reactors delivered
More than 100 reactors in operation
Several thousands of MT PolySi already produced
Customers in Germany, USA, Japan, China, India
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Tokuyama (Japan)
Sunways AG (Germany)
Shanghai Strong Energy (P.R. China)
PV Silicon AG (Germany)
China ENFI Nonferrous Engineering (P.R. China)
Schmid Silicon Technology (Germany)
DAQO New Materials (P.R. China)
HOKU Scientific (USA)
Lanco Solar (India)
Danyangshi Hairun Semiconductor (P.R. China)
Jiangxi Jingde Semiconductor (P.R. China)
Hubei Jingxing Science & Technology (P.R. China)
GEC‘s customers overview
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GEC has experience in supporting customers in the fieldsof preliminiary activities for TCS and Monosilane Projects:
• feasibility analysis and studies
• determining a long-term prognosis
• Business plan evaluation
• Basic design, engineering, specifications
Beyond the told facts…
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mg-Silicon Production
Wafer Production
Chip / Cells Production
IC/PV-ModulProduction
eg Si, sog Si Production
Value Chain
electronic Si, solar Si
Production
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TCSGeneration
TCS Purification
TCS/STC Tankfarm
CVDPoly–Si
Deposition
Poly-SiFinal
Treatment
Vaporizer CON Reactor
MIX Gas Console
Thyro Power Supply
Transformer
Cooling Unit
DCS
Reactor Cleaning Unit
GEC’s Package
Bus Bar System
Vent GasR/R
GEC‘s Functional Package Approach
e.g. AEG
e.g. HTT
e.g. SIEMENS
e.g. SIEMENS
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TCSGeneration
TCS Purificat.
TCS/STC Tankfarm
CVDPoly–Si
Deposition
Poly-SiFinal
Treatment
Vaporizer CON Reactor
MIX Gas Console
Thyro Power Supply
Transformer
Cooling Unit
DCS
Reactor Cleaning Unit
GEC
Bus Bar System
Shaw, EPC, Hualu
Vent GasR/R
CDI Alztec
GEC‘s Corporate Partner Approach
GEC – Coordination Responsibility
Choice of Client Choice of Client
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Since 2001 GEC maintains a partnership network for design, manufacturing and testing of equipment for CVD and Converting processes
GEC is able to deliver a functional package equipment for CVD and Converting processes and takes responsibilities therefore, based on the experience of long term cooperation with world leading suppliers
GEC is able to deliver equipment which can be easy and fast installed, commissioned and ramped up
GEC‘s Partnership Experience
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Why a new and bigger CVD-Reactor?
High volume production for decreasing investment and operating costs per kg Si
High efficiency in operating and maintenance of equipment
Minimizing of electrical power due to utilizing best possible radiation geometry
Advanced balanced mix-gas flow for symmetrical deposition
High temperature bell-jar cooling for energy recovery
Fast commissioning and Ramp-up
GEC‘s new CVD-Reactor 27 pairs
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Three ring 54 electrodes design for symmetrical electrical phases (U, V, W) connection
Proven mix gas flow and distribution for optimized deposition rod geometry (150 – 170 mm)
High temperature cooling (130 – 150 °C) for energy recovery
Solar grade polysilicon manufacturing capacity 400 - 500 to/y
Low energy consumption < 48 KWh/kg Si
Delivery status: assembled, tested, cleaned, passivated, N2 sealed, ready for Plug & Play
Ramp up time from first silicon out to production capacity 3 months (Target)
GEC‘s new CVD-Reactor 27 pairs
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CON-Reactor, Vaporizer
Three ring 48 electrodes design for optimized heating density
Two CON-Reactors one Vaporizer configuration for economical investment
TCS-Converting efficiency of 17 to 18 % (weight)
Graphite converting chamber and graphite heaters made of high purity quality (<5 ppm) for min. contamination and long lifetime. Heater temperature is pyrometer controlled
Quench pipe system for stabilizing the converting efficiency
Vent gas heat recovery for STC evaporation in vaporizer
Delivery status: assembled, tested, cleaned, passivated, N2 sealed, ready for Plug & Play
GEC‘s CON-Reactor and Vaporizer
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Mix Gas Console
TCS, H2, N2, mixed-gas supply lines are assembled in one unit for better operating and controlling
Integrated mass flow meter (MFM) for supply of TCS, N2, H2
Manufactured under clean room conditions to ensure zero contamination
Junction box cabling to instruments, valves and instrument piping requires only one connection interface
Delivery status: rack assembled, tested, cleaned, passivated, Argon pressurized and sealed delivery (2 barG), ready for Plug & Play
GEC‘s Mix Gas Console
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Cooling Unit
Designed for high temperature cooling water (130°-150°C) supply for reactor body to avoid deposition onto reactor inside walls
Designed for middle temperature cooling water (40°-60°C) supply for electrodes and show-glasses on DI-water quality
Designed for down cooling of CVD-reactor by using middle temperature cooling level. Saving an additional cooling loop
Operating of high temperature cooling water loop for significant energy recovery. (low pressure steam generation for distillation processes)
Junction box cabling to instruments, valves and instrument piping requires only one connection interface.
Delivery status: rack assembled, tested, cleaned, sealed delivery, ready for Plug & Play
GEC‘s Cooling Unit
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Summary
Utilizing of proven equipments of GEC (core equipment) together with proven equipment of GEC’s world class Partners
Benefits of long term partnership working experience of GEC and its Partners
Benefit of GEC’s Plug & Play delivery modus, which reduces significant efforts and times for installation and commissioning and ensures absolutely equipment cleanliness and a well arranged construction site.
Providing of GEC’s special services by installation and commissioning team on construction side (if wished by client)
Benefit of GEC’s HT-cooling system leads to maximum energy re-using more than 50 % out of the electrical energy for the reactors
Client‘s Advantages by Appointing GEC
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SPECIAL HIGHLIGHTS
Utilizing GEC’s silver-plated CVD-reactors reduces electrical energy consumption down to range of < 50 KWh/kg, that ensures a short return of investment (already realized in German polysilicon plants)
Application of the new advanced development: Thyristorpower supply system with integrated Middle Voltage Ignition device
Delivery of DCS (SIEMENS) within GEC’s package comprises assembly, engineering (including application software) and testing in Germany
Client‘s Advantages by Appointing GEC
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SPECIAL HIGHLIGHTS
Application of the new advanced development: Thyristor power supply system with integrated Middle Voltage Ignition device
Delivery of DCS (SIEMENS) within GEC’s package comprises assembly, engineering (including application software) and testing in Germany
GEC ´s deposition equipment package has been evaluated and selected by TOKUYAMA
Client‘s Advantages by Appointing GEC
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1. Reactor Building 12. Reactor Building 23. Support Building4. Office, DCS Building5. CDI Facility6. TCS Facility7. Tank Farm8. Utilities
2
14
3
76
5
8
General Plant Layout Sketch
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CVD Deposition Reactors Reactor Gas Consoles Mixed Gas Heat Exchanger
(Liebig Pipes) Cooling Systems STC Converter Reactors Vaporizers Gas Consoles Reactor Thyristor Power Units Reactor Special Transformes Reactor Bus-bars Reactor Cylinder Cleaning
System Ingot Removable System
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Filament Preparation Systems Storing Solid Silicon processing
machinery Crushing Sawing Packing Solid-Si chemical Cleaning
Equipment
CVD Deposition Reactors Reactor Gas Consoles Mixed Gas Heat Exchanger
(Liebig Pipes) Cooling Systems STC Converter Reactors Vaporizers Gas Consoles Reactor Thyristor Power Units Reactor Special Transformes Reactor Bus-bars Reactor Cylinder Cleaning
System Ingot Removable System
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TCS Synthesis and Distillation
• Recommendation of the Best Partner for the TCS- EPC Contractor, based on GEC´s Experience during realization of multiple Silicon-Projects
• Specification and Technical requirements (quality, quantity) for the TCS-Delivery
• Delivery of the Testreactor for quality control
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Vent Gas Recovery (VGR)
• Recommendation of CDI as the best partner for BSV-Project, based on GEC´s Experience during realization of all Silicon-Projects
• Specification and technical requirements (quality, quantity, compounds, pressure, temperature) for the ventgas of CVD- and CON-Reactors
• Integrated coordination between CDI and GEC for closed loop cycles (TCS, HCl, H2, STC ) between GEC Reactors process technology and CDI facility design
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Coordination EPC Contractor Building Infrastructure
• Specifications and Basic design (Architecture and Engineering) according to GEC´s standards
• Requirements for utilities, process materials
• Requirements for the hazard and security
• Options for the general plant layout
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Commisioning and Ramp-Up of the hole Si-Production
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Thank youfor your kind attention!
your GEC-Team
GEC GmbH | Bajuwarenring 12a | 82041 Oberhaching Germany | Phone: +49 89 4503692 - 0 Fax: +49 89 125954139