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OVERVIEW COMBINED HEAT & POWER (CHP) DEFINITION TYPES OF CHP SYSTEMS BENEFITS OF CHP UMC-RH (Rizk Hospital)/ HEAT RECOVERY ON GENERATORS ENERGY NEEDS.

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Presentation on theme: "OVERVIEW COMBINED HEAT & POWER (CHP) DEFINITION TYPES OF CHP SYSTEMS BENEFITS OF CHP UMC-RH (Rizk Hospital)/ HEAT RECOVERY ON GENERATORS ENERGY NEEDS."— Presentation transcript:

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3 OVERVIEW COMBINED HEAT & POWER (CHP) DEFINITION TYPES OF CHP SYSTEMS BENEFITS OF CHP UMC-RH (Rizk Hospital)/ HEAT RECOVERY ON GENERATORS ENERGY NEEDS HEAT RECOVERY SYSTEM SAVINGS

4 WHAT IS CHP? CHP = COMBINED HEAT & POWER CHP is the use of a heat engine to generate simultaneously electricity and useful heat. It is a way to use heat usually wasted when electricity is generated. It recovers waste of heating, cooling or dehumidification.

5 TYPES OF CHP SYSTEMS CHP comes in a variety of configurations to match the needs of energy consumers: CHP FOR HEATING Heat and Power to multiple customers in city centers, towns, hospitals, … and other zones where there is high demand of heat. TRIGENERATION Also known as combined cool, heat and power (CCHP). Heat is cooled by absorption chillers linked to the CHP system. Heat INDUSTRIAL CHP High value of heat (at the temperatures and pressures required by industry) along with electricity. produced is cooled by absorption chillers linked to the CHP system

6 BENEFITS OF CHP HIGH OVERALL EFFICIENCY UP TO 80% OR MORE at the point of use CHP system SAVINGS UP TO 30% of ENERGY BILLS SAVINGS UP TO 30% of CARBON EMISSIONS FLEXIBLE AND RESPONSIVE HEAT SUPPLY the thermal energy (heat or cooling) produced by CHP can be easily stored and later delivered to meet demand

7 UMC-Rizk Hospital HEAT RECOVERY ON GENERATORS FUME

8 ENERGY NEEDS FOR HOSPITAL HOSPITAL IS AN EXCELLENT CANDIDATE FOR A TRIGENERATION SYSTEM. IN OUR CASE, DESIGN IS APPLIED ONLY ON GAS EXHAUST TO COVER THE HEATING DEMAND. THERMAL ENERGY - HOT WATER DEMAND FOR: HOT WATER TANKS LAUNDRY HOSPITAL MEDICAL EQUIPMENT STERILIZATION SPACE HEATING/COOLING SYSTEM ABSORPTION CHILLERS OTHER SERVICES

9 FUEL FOR GENSET 100% ELECTRICITY 35% LOSSES 65% RADIATOR 20% RADIATION 15% FUME 30% ELECTRICITY 35% GENSET PERFORMANCE RATES

10 UMC-RH POWER PLANT 5 GENERATORS 650KVA AVAILABLE ON SITE 2 GENERATORS 650KVA CONNECTED TO RECOVERY SYSTEM

11 HEAT RECOVERY CONTROL WIRING

12 SHELL AND TUBE HEAT EXCHANGER

13 VARIABLE SPEED PRIMARY PUMPS

14 SEASONAL PERFORMANCE SEASONWINTERSPRINGSUMMERFALL ELECTRICAL LOAD LOWMEDIUMHIGHMEDIUM AVAILABLE RECOVERY LOWMEDIUMHIGHMEDIUM HEATING DEMAND HIGHMEDIUMLOWMEDIUM

15 HOURLY MEASUREMENTS DATA FROM ENERGY METERGENERATORS DATA DATETIMEHOT T°CCOLD T°CT FLOW RATE m3/h KW RECOVERED Load % KW ELECTRICAL (2 XGEN) 05/06/1312:05 AM91.585.26.327.665194.4938394 05/06/1312:10 AM92.285.96.327.683194.19336354 05/06/1312:15 AM92.786.7626.784182.3539400 05/06/1312:20 AM93.187.35.827.612179.34838396 05/06/1312:25 AM92.987.75.228.682167.51137380 05/06/1312:30 AM94.188.35.827.21178.4237348 05/06/1312:35 AM90.584.26.327.6194.4932336 05/06/1312:40 AM93.988.35.628.3517734344 05/06/1312:45 AM94.588.75.827.74180.934346 05/06/1312:50 AM94.189.2528156.736374 05/06/1312:55 AM95.389.55.126.3617132316 05/06/1313:00 AM95.489.85.528.13175.2935352 MEASUREMENTS TAKEN DURING OPERATION OF TWO GENSETS

16 DAILY MEASUREMENTS MEASUREMENTS TAKEN DURING OPERATION OF ONE GENSET DATA FROM ENERGY METER DATETIMEVOLUME m3ENERGY KWhFree Energy KWh 09/03/1311:59 PM464.051800 10/03/1311:59 PM513.411940140 11/03/1311:59 PM557.312080140 12/03/1311:59 PM591.482240160 13/03/1311:59 PM627.302410170 14/03/1311:59 PM667.252580170 15/03/1311:59 PM709.972780200 16/03/1311:59 PM749.952900120 17/03/1311:59 PM803.573020120 18/03/1311:59 PM854.393170150 19/03/1311:59 PM8913310140 20/03/1311:59 PM927.633450140 21/03/1311:59 PM977.783600150

17 SAVINGS PERFORMANCE 2 X Genset 650KVA each 2 X 300KW Heat Exchanger each (at 100% electrical load) 3Hours/Day Operation 80% Loading Factor Exhaust Flow Gas Rate:2705 Kg/hr Exhaust Entering Temperature:568˚C Exhaust Gas Leaving Temperature:220˚C Water Flow Rate:12.5m3/hr Entering Temperature:70˚C Leaving Temperature:90˚C

18 SAVINGS Annual Hours of Operation: 3 hours / day x 365 days = 1095 hours of operation Annual Capacity Recovered at 80% load: 2 x 300 KW x 0.8 x 1095 hr = 525 600 KWh / year Input Fuel Energy Saved (90% eff.):584 000 KWh / year Fuel Cost per 1000 L Diesel:1000 $ Hourly Savings:44.4$ Less charges on boilers10000$ Fix Annual Cost: - Maintenance Cost - Special Cleaning Workmanship - Electricity for pumps - Spare parts NET SAVINGS: - NET TOTAL YEARLY SAVINGS ~ 60,000$ - PAYBACK PERIOD ~ 3.5 YEARS

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