notre dame power plant. power plant produces electricity steam for heat chill water for cooling...
TRANSCRIPT
![Page 1: Notre Dame Power Plant. Power Plant produces Electricity Steam for heat Chill water for cooling Domestic cold water Domestic hot water Compressed air](https://reader033.vdocuments.mx/reader033/viewer/2022051819/5519934555034648068b46ef/html5/thumbnails/1.jpg)
Notre Dame Power Plant
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Power Plant producesElectricity
Steam for heat
Chill water for cooling
Domestic cold water
Domestic hot water
Compressed air for building controls
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Co-generation plant
We produce 400 psi superheated steam in our boiler then use the steam to turn turbine generators to produce electricity. We extract a portion of the steam at a lower pressure from the turbines. We then use the lower pressure steam again for heating, domestic hot water production ,and chilled water production.
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Co-generation plant
We are produce about half of the electricity the campus uses on the average day
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Peak Demands
Electric 24.4 MW 8/28/06 Chill water 15,100 ton/hr 8/1/06 Steam summer 321 klbs/hr 8/1/06 Steam winter 302 klbs/hr 2/5/07
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Boilers NORMAL OPERATING SUPERHEATER
- - - - - - OUTLET CONDITIONS - - - - - -
BOILER # YEAR FUELS TYPE BOILER MANUFACTURER
MAX CONTIN
UOUS
PRESSURE, TEMP.,
INSTALLED FIRED RATING, PPH
PSIG ºF
1 1961 Nat. Gas & #6 Oil Keystone Erie City 65,000 * 400 Variable
2 1952 Coal & Nat. Gas **
Stoker Union Iron Works
70,000 400 Variable
3 1952 Coal & Nat. Gas **
Stoker Union Iron Works
70,000 400 Variable
4 1967 Coal, #2 Oil & Nat. Gas
Cyclone B&W 170,000 400 725
5 1973 #2 Oil & Nat. Gas A-Frame C-E 180,000 400 Variable
Packaged
Total: 555,000
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Electrical Generator Units
GENER. YEAR MANUFACTURER
MAX CONTINUOUS
Extraction Exhaust COMMENTS
# INSTALLED (prime mover/generator
)
RATING, KVA PSIG PSIG
1 1962 Elliott/Elliott 3,750 10 --- extraction
2 1962 Elliott/Elliott 2,000 --- 70 Back Pressure
3 1967 Fairbanks-Morse/Elliott
1,250 NA NA Diesel
4 1983 Fairbanks-Morse/Elliott
1,250 NA NA Diesel
5 1990 Elliott/Elliott 2,500 --- 10 Back Pressure
6 1999 Elliott/Elec. Machinery
6,250 10 --- Extraction
7 2000 Tuthill Murray/Ideal
11,750 70 --- extraction
8 2004 Caterpillar 2,280 NA NA Diesel
9 2004 Caterpillar 2,280 NA NA Diesel
10 2004 Caterpillar 2,280 NA NA Diesel
Total: 35,590
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ChillersChilled Water Units
CHILER # YEAR REFRIGERANT MANUFACTURER MAX CONTINUOUS TURBINE
INSTALLED TYPE RATING, tons INLET,
PSIG
1 1962 R-12 Carrier 1,500 400
2 1962 R-12 Carrier 1,500 400
3 1967 R-134A Carrier 3,000 400
4 1983 R-134A Carrier 3,300 70
5 1990 R-22 York 4,000 400/10
6 1999 R-134A York 4,000 70
7 2000 R-134A York 4,000 70
Total: 21,300
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Fuel Coal / Gas/ Oil
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#3 Stoker boiler Coal/Gas
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#3 boiler firebox
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#3 boiler water wall tubes
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#4 Boiler Coal/Gas/Oil
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#4 boiler cyclone
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#4 boiler furnace
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#5 Boiler Gas/Oil
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#5 boiler Gas flame pattern
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Turbine Generators 400 psi inlet steam 1 unit 10 psi exhaust back pressure 1 unit 70 psi exhaust back pressure 2 units 10 psi extraction 1 unit 70 psi extraction
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#1 Turbine Generator10 psi extraction unit
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#1 turbine generator turbine rotor
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#7 turbine generator rotor
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#6 Turbine Generator10# extraction unit
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#7 turbine steam condenser
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Extraction turbines have a steam condenser operating under a vacuum to condense the steam not extracted for other processes. The condensate (condensed steam) is returned to the boilers to produce steam again.
The unused heat from the condensed steam is rejected to the lake.
Before the water is returned to the lake it is cooled in 1 of 5 cooling towers
Extraction turbines are able to meet variable steam load conditions and still maintain electrical production needs.
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1-5 Cooling towers
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#2 Turbine Generator70 psi steam back pressure unit
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#5 turbine generator10 psi back pressure unit
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#5 TG exhaust line
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Back pressure units exhaust steam at a back pressure directly into a steam line. No condenser.
No heat is sent to the lake. Not very flexible for load conditions. Must
have some place for the steam to go. Electrical production varies with steam load conditions.
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Conditions that rob plant efficiency
Wrong boiler fuel to air ratio Water side boiler scale Fireside boiler slagging Turbine blade deposits Poor turbine blade condition Waterside steam condenser tube scale
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BOILERS
DATA
BOILER HOURS AVER AVERAGE FEEDWATER STEAM ENERGY GROSS STEAM BOILER
HOURS STEAM STEAM FEEDWATER STEAM INPUT STEAM NET THERMAL
OF TEMP. ENTHALPY FLOW GEN. FUEL OUTPUT GAIN EFFICIENCY
UNITS OPERATION DEG F BTU/# K#'S K#'S MMBTU MMBTU MMBTU PERCENT
1 15 672 1,343 445 467 688 627 538 78.2%
2 24 667 1,340 952 882 1,284 1,182 991 77.2%
3 24 722 1,371 846 779 1,353 1,068 899 66.4%
4 17 737 1,380 2,077 2,029 2,857 2,800 2,384 83.5%
5 0 0 0 0 0 0 0 0 0.0%
TOTALS: 1,366 4,320 4,157 6,182 5,677 4,813 77.9%
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TURBINES
HOURS STEAM
EXTRACT.
AVERAGE COND
AVERAGE
ENERGY
ENERGY
ENERGY ENERGY GROSS GENER
OF TO FROMEXTRACT. FROM COND. INPUT
EXTRACT. TO TO HEAT ENERGY
OPERATION GENER. GENER. TEMP
GENER. TEMP
/EXHAU
ST FWH GENER. RATEPERCEN
T
UNITSHOURS K#'S K#'S
DEG F K#'S DEG F MMBTU MMBTU
MMBTU MMBTU
BTU/KWH %
1 0 0 0 0 0 0 0 0 0 0 0.0%
2 0 0 0 0 0 0 0.0%
5 24 904 305 1,234 1,078 156 3,190 3.2%
6 24 1,504 1,167 310 337 95 2,054 1,395 21 638 6,628 13.3%
7 24 1,077 563 523 514 80 1,471 728 25 718 9,851 14.9%
TOTAL: 3485.0 1730.0 851 4,759 3,201 46 1,512 6,934 31.4%
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KWH'S TOTAL AVER COST TOTAL
KWH ENERGY OF COST OF
GENER. COST GENER GENER.
KWH $/MMBTU $/KWH $
1 0 $5.4745 0 $0.00
2 0 $5.4745 0 $0.00
3 0 0 0 $0.00
4 0 0 0 $0.00
5 48,962 $5.4745 $0.0224 $1,098.18
6 96,223 $5.4745 $0.0466 $4,484.46
7 72,919 $5.4745 $0.0693 $5,051.03
8 0 0 0 $0.00
9 0 0 0 $0.00
10 0 0 0 $0.00
TOTAL: 218,104 $0.0488 $10,633.67
Turbine Generator
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