Heating Plant Overall for CEOs
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Transcript of Heating Plant Overall for CEOs
STEAM PLANT EXECUTIVE SUMMIT
FOR HEATING PLANTS
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BENCHMARKS
PLANT EFFICIENCY
STEAM / HOT WATER COSTS
STEAM / HOT WATER USAGE
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PLANT EFFICIENCY
Total gas therms in 2012 7,862,240 JANUARY 107,125,000
Total #6 oil gallons in 2012 120,310 FEBRUARY 93,949,000
MARCH 66,638,000
Btu/therm 100,000 Gas APRIL 43,566,000
Btu/gallon 153,200 #6 OIL MAY 24,490,000
JUNE 20,354,000
Total gas Btu’s in 2012 786,224,000,000 JULY 18,606,000
Total oil Btu’s in 2012 18,431,492,000 AUGUST 17,926,000
SEPTEMBER 19,735,000
Total fuel BTU’s in 2012 804,655,492,000 OCTOBER 42,128,000
NOVEMBER 59,510,000
DECEMBER 92,882,000
Total Steam Pounds Produced 606,909,000
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STEAM / HOT WATER COSTS
2012 2012 #’S OF STEAM
GAS $5,951,725.39 55.9% JANUARY 107,125,000
OIL $381,382.70 3.6% FEBRUARY 93,949,000
WATER $99,919.35 0.9% MARCH 66,638,000
CHEMICALS $44,307.85 0.4% APRIL 43,566,000
PAYROLL $3,343,997.63 31.4% MAY 24,490,000
PARTS $150,463.49 1.8% JUNE 20,354,000
REPAIRS $327,183.87 3.1% JULY 18,606,000
ELECTRIC $306,000.00 2.9% AUGUST 17,926,000
SEPTEMBER 19,735,000
$10,649,288.13 100.0% OCTOBER 42,128,000
NOVEMBER 59,510,000
DECEMBER 92,882,000
PARKCHESTER
$/Mpound $17.47 Total Steam Pounds Produced 606,909,000
STEAMBTU’s
HOT WATER
LEAKY TRAPS
HEATING
PROCESS
STEAM AND HOT WATER USE
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PLANT EFFICIENCY
BOILER EFFICIENCY
SEQUENCING OF OPERATIONS
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BOILER EFFICIENCY
O2
WASTE HEAT RECOVERY
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A furnace operates at 2,400° F flue gas temperature. The optimum ratio is 10% excess air (2.1% O2 in flue gases), but tests show an actual ratio of 25% excess air (4.5% O2 in flue gases). The chart shows an actual available heat of 22% compared to an ideal of 29%.
FUEL SAVINGS = 100 X ((29 – 22) / 29) = 24%
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WASTE HEAT RECOVERY
ECONOMIZERS
FLUE GAS HEAT RECOVERY SYSTEM
BLOW DOWN HEAT EXCHANGERSAIR PREHEATERS
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PLANT EFFICIENCY
SEQUENCING OF OPERATIONS
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USING LESS
OPERATIONAL DASHBOARD
STEAM TRAPS
INSULATIONOPERATING STANDARDS
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OPERATIONAL DASHBOARD
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In a plant where the value of steam is $10.00 per thousand pounds ($10.00/1,000 lb), an inspection program indicates that a trap on a 150-pound-per-square-inch-gauge (psig) steam line is stuck open. The trap orifice is 1/8th inch in diameter. The table shows the estimated steam loss as 75.8 pounds per hour (lb/hr). After the failed trap is repaired, annual savings are:
ANNUAL SAVINGS = 75.8 IB/HR X 8,760 HR/YR X $10.00/1,000 lb=$6,640
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INSULATION
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OPERATIONAL STANDARDS