Tanjung Jati Case Study

Tanjung Jati B Units 1 and 2

PT Central Java Power (Sumitomo Corporation)

Jepara, Jawa Tengah, Republic of Indonesia

Plant Owner

PT Central Java Power (Sumitomo Corporation)

Plant Name

Tanjung Jati B

Location

Jepara, Jawa Tengah,

Republic of Indonesia

EPC Contractor

Sumitomo Corporation

B&W Consortium Scope

B&W subsidiaries, in consortium with units of Black & Veatch, supplied:

• Complete boiler island for two coal-fired units, from ship unloaders to the stack, including:
  • coal handling with stacker/reclaimers and conveyors
  • structural steel
  • coal silos
  • ash handling
  • limestone and gypsum handling
  • environmental equipment
  • electrical, including motor control centers, switchgear, and power/control wiring
  • instrumentation, including stack emissions monitoring system
  • auxiliary piping systems
  • technical advisory services for erection technical advisory services during startup and commissioning

Boiler Specifications

• Boiler type: Pulverized coal-fired radiant drum boiler (RB Carolina-Type)
• Design fuel: Indonesian low sulfur coal
• Capacity: 2 X 660 MW net
• Steam flow: 5,099,000 lb/h (642 kg/s)
• Superheater outlet pressure: 2527 psig (17.4 MPa)
• SH/RH outlet temperature: 1006/1001 F (541/538 C)

Environmental Equipment

• DRB-XCL® low NOx burners
• Wet flue gas desulfurization (FGD) system, including absorbers, limestone unloading and handling, reagent preparation and dewatering system
• Electrostatic precipitators

Other Equipment Supplied by B&W

• B&W Roll Wheel® pulverizers with DSVS® rotating classifiers Sootblower boiler cleaning system by Diamond Power International, Inc. (DPII), a B&W subsidiary
• Bottom ash system supplied by Allen-Sherman-Hoff, a division of DPII

Contract Order: 1995

Commercial Operation: 2006

Project Facts

• Power purchase agreement signed between PT Perusahaan Listrik Negra (Persero) and PT CEPA Indonesia – September 1994
• Project Commencement – April 1997
• Project was suspended for five years due to Asian currency crisis in 1998. Resumed in 2003 and was completed under Sumitomo’s leadership.
• The limestone wet FGD system utilizes seawater for makeup.

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Environmental equipment at the Tanjung Jati power plant includes low NOx burners, wet FGD system, and electrostatic precipitators.

Sectional Side and Plan Views of Tanjung Jati B Power Plant