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Digital Fuel Tracking Mike Santucci President, ECG-inc Jim Mooney Consultant. AccuTrack- Digital Fuel Tracking System supporting Coal Fired Generation Reliability and Fuel Flexibility initiatives. Engineering Consultants Group Clifty Plant OVEC November 15, 2006.

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Presentation Transcript
slide1

Digital Fuel Tracking

Mike Santucci

President, ECG-inc

Jim Mooney

Consultant

AccuTrack- Digital Fuel Tracking System supporting Coal Fired Generation Reliability and Fuel Flexibility initiatives

Engineering Consultants Group

Clifty Plant

OVEC

November 15, 2006

slide2

Ash Deposition ImpactsIn The Power Industry

N. S. Harding

N. S. Harding & Associates

D. C. O’Connor

Energy Conversion Division – EPRI

N.S. Harding & Associates

Conclusions

Slagging/fouling and blending leading coal quality concerns

Coal quality impacts have approx. same number of outages/derates as deposition; economics were less due to shorter duration

Annual estimated impact of coal quality and deposition is ~$1.2 billion annually

No significant improvement made over last 10 years!

Presented at Coal Quality Impacts conference, October 31, 2006, Snowbird, UT

today s agenda
Today’s Agenda
  • Coal Quality contributions to Slagging/Fouling mechanism
  • Fuel Flexibility and Operating with Precision
  • Introduction Digital Fuel Tracking with AccuTrack from ECG
slagging vs fouling
Slagging vs Fouling

Fouling

Fouling: Deposition where convection is the predominant form of heat transfer

Slagging is defined as deposition where radiation is the predominant mechanism of heat transfer

Slagging

slag control
Slag Control

“The potential for slagging (i.e., fused slag deposits that form on furnace walls and other surfaces exposed to predominantly radiant heat) is temperature and ash composition related.” Coal Energy Systems, Bruce G. Miller, PSU

blends
Blends
  • Units designed for bituminous coals have found it necessary to switch to sub-bituminous fuel for various environmental and economic reasons.
  • Coal is a very heterogeneous substance and cannot be simply represented by a single set of melting or ash fusion temperatures, particularly when blended.
  • Sodium content of Western Fuels (PRB) varies considerably between Northern and Southern PRB coals.

Gaining control over fuel blends requires:

KNOWING the real time quality of the fuel you are receiving

KNOWING the real time temperatures in the furnace

ash deposition conference october 31 2006
Ash Deposition Conference October 31, 2006

“The heart of the system is the analyzer and DFTS software bringing the information to the operators.”

David Tillman presentation on managing slagging @ DTE energy.

Link to Ash Deposition Conference October 2006

operations excellence fuel flexibility

Inventory

Control

Real Time

Graphic

Analyzer

Data fed

Forward

Current Blend

Current

Silo

Loading

Operations Excellence&Fuel Flexibility

+3,000MW

Plant

  • AccuTrack Experience
  • Applying the available tools.

The AccuTrack system is fed by more than 160 sensors and updates information about every aspect of coal movement at Monroe every 10 seconds. Plant managers and operators use the information to optimize the fuel supplied to the plant.

slide10

“Boiler’s have outlived

their designers considerations

for the fuel they consume”

“The potential for slagging is temperature and

Ash composition related.”

“The array of opportunity fuels is as broad and diverse as the ingenuity of the engineering community.”

slide11

A prototype currently being tested will provide measurement of Mercury and Arsenic; expected to be commercially available December 2006.

slide12

Low Alarm: Opacity potential for the next 2 hours

BLUE indication is the coal is excellent, but not economical

High Alarm: Slagging potential in 4 hours

Performance with flexibility

slide13

425 MW

Plant

slide15

2,650MW

Plant

slide16

Mobilized data

AccuTrack and e-Notification is in place at plants ranging in size from

425 MW’s to +3000MW

utilizing the system reporting capabilities
Utilizing the SystemReporting Capabilities
  • Historical reports via web browser
    • Exact on-the-belt blend results for any loading period
    • On-line analyzer results (wt. average) can be reported by silo
    • Variance between vendor supplied tons and plant unload tons automated & alarmed
accutrack references
AccuTrack References
  • Pennsylvania
    • Penn Power’s Bruce Mansfield Plant
    • 3 units
    • 2640 MW
    • Blends Three Primary Fuels
  • Ohio
    • FirstEnergy’s Eastlake Plant
    • 7 units
    • 1200 MW
    • Blending PRB
  • Michigan
    • Detroit Edison’s Monroe Plant
    • 4 units
    • 3200 MW
    • Undersized Precips are sensitive to fuel changes
maintenance plan
Maintenance Plan
  • Software maintenance plan is advised to ensure system integrity
  • Daily tasks to check the system health
  • Correct AccuTrack database for missing or corrupt data due to PI or AccuTrack outages
  • Monthly tasks to verify data
  • Reports on fuel activity and system availability
  • Training for new users
  • Software updates and enhancements
slide24

Performance FIRST through Operating with Precision followed by Fuel Flexibility to get the maximum performance at the lowest cost!!

contact information
Contact information

Michael Santucci

President

Engineering Consultants Group

1236 Weathervane Lane

Akron, Oh 44313

(330) 869-9995

James R. Mooney

Bulk Materials Specialist

45 St. Andrews Drive

Beaver Falls, PA 15010

(724) 312-1293

Mooney_73@msn.com

intellectual property statement
Intellectual Property Statement

This proposal/presentation is strictly confidential. It is made available to prospective clients with the understanding that it will not be shown, read or passed to any other person who is not a current employee of your organization.

This proposal/presentation has been developed by Engineering Consultants Group Inc. and will remain its property until such a time as a formal contract for the project is finalized with the client, as such the content may not meanwhile be disclosed by the client to any third party, nor may any original concept devised by Engineering Consultants Group Inc. be used commercially. If the client decides not to proceed with the project, selects another consulting firm, or decides to conduct the project itself, we request return of this proposal/presentation together with assurances that no photocopies of this proposal/presentation have been made.