Duke Energy - Cliffside Steam Station, Cliffside, NC
Scope of work:
Southern Environmental, Inc. provided detailed engineering, material supply, fabrication, construction management, a 1/12 scale physical model study, electrical wiring, foundation, field construction, insulation and lagging, painting and start-up services for the Cliffside Unit 5 ESP Rebuild. The rehabilitated precipitator is downstream of a new SCR.
Phase 1 consisted of rehabbing the inlet Chevron duct including stiffening for - 32 incw pressure, roof replacement and structural penetration' for SCR columns.
In Phase 2, the existing precipitator was retrofitted with new internals utilizing customized SEI/ELEX rigid discharge electrodes and Opzel collecting plates. The lower 8’ of the existing twenty-four hoppers was also replaced. The existing casing was stiffened for increased pressure requirements added by the SCR. A new SEI outlet field, including foundations, support steel, casing, hoppers and Chevron outlet plenum, was added to both precipitator casings. The precipitator was re-sectionalized and new transformers, electromagnetic rappers and controls were added for increased performance.
Project Duration:
PO Received: January 2001
Phase 1: Inlet Duct Rehabilitation
Mobilize: March 2001
Demobilize: May 2001 - Five week outage
Phase 2: Electrostatic Precipitator Rehab
Mobilize: October 2001
Demobilize: May 2002 - Eight week outage
Detailed Engineering in the following disciplines:
Structural
Mechanical
Electrical
Civil
1/12 Physical Scale Model Study
Fabrication and Construction Services:
Caisson and Foundation Installation
Structural Steel Fabrication and Construction
ESP Fabrication and Construction
Electrical Design and Supply
Ductwork Fabrication and Installation
Project Management
Site Management
Insulation and Lagging
Painting
Application:
592 MW Coal Fired Power Boiler
Performance Guarantee:
SEI provided a broad range of guarantees for twenty-two coals ranging between ESP Efficiency: 99.7% at 15% opacity and 10% opacity
Inlet Gas Flow: 1,950,000 ACFM at 280 degrees Fahrenheit.
