CO-GENERATION SYSTEM PRESENTATION
Jan. 2008
TEIJIN ENGINEERING LTD.
ENVIRONMENT ENGINEERING DEPT.
＜ VISION OF ENERGY SOURCE ＞
◆Saving of energy cost
◆Maintain stabilized power source
◆Diversification of energy source
◆Anxiety of Electricity supply
＜＜Capacity, Stability, Cost performance＞＞
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＜ CO-Generation system ＞
◆Purpose： Cost down of energy
◆Get stabilized electricity CFBC Coal Fired Boiler
＋Steam Turbine + Generator
◆System: ＊We will design suitable system
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Site Conditions (Example)
◆Present：Steam consumption
・Steam consumption: 0 T/H
・Receiving : (Ave.) 6,250 kw
◆Future： Steam consumption for process
・Steam consumption: 0 T/H
・Turbine extraction steam: 2.7 T/H
・Receiving : 0 kw
・BTG 7,250 kw
◆Specification of new plant：
・BTG Generating 7,500 kw
・Fuel Coal (Indonesia)
◆System: Boiler+Extraction & Condensate turbine
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PICTURE OF COAL BOILER I
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PICTURE OF COAL BOILER II
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PICTURE OF STEAM TURBINE I
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PICTURE OF GENERATOR I
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PICTURE OF CONTROL SYSTEM I
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Heat balance flow
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Feasibility Study
◆Premise：Generating power 6,800 kw
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Design Criteria of power plant
◆Protection system for Parallel operation with Commercial power
source & Generator
(Selective trip load system & Short circuit braking capacity)
◆Trip-off protection of power plant
◆Environmental issues：Particle, NOｘ, SOｘ, Noise, Waste water
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Design Criteria of steam boiler
◆Type: Circulated Fluidazed Bed Conbustion
*China has the advanced technology.
◆Fuel: Various kind of coals and biomass fuels can be used
◆Easy operation
◆Maintenance by WASA MITRA Eng. & Others
◆Environmental issues：
Particle: Electro Static Precipitator (Target: 50mg/Nm3)
NOｘ: Low NOx Operation (Low combustion temp. )
(Target: 300mg/Nm3)
SOｘ: Internal De-sulfurization (up to 90%)
Noise: Protection by housing or equivalent
Waste water: according to local regulation (Customer’s scope)
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Design Criteria of steam turbine
◆Operation Hours: Continuous 8000 hrs/year
◆Easy operation： Digital governor control system, Auto start stop
◆Reliability： Steam turbine & Generator (Japan)
◆Maintenance Services:
① Turbine: Japanese S/V, Maintenance company in Jakarta
② Maintenance:
・Regular maintenance: Once per year
・Major maintenance: Once per 3-5 years
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For reference
◆Turbine performance chart
○Method of Extraction press. : Internal valve control
○Method of Exhaust press. : Governor valve control
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Formation of Project
◆Turbine performance chart
○Method of Extraction press. : Internal valve control
○Method of Exhaust press. : Governor valve control
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Conclusion
◆Strength of Teijin Engineering Ltd.
①Consistent management:
Engineering -- Procurement -- Construction -- Commissioning
②Present of know how for operation and maintenance
③Design based on User’s experience
We design & supply easy to use facility based on user’s needs.
