A STUDY OF ABSORPTION CHILLER/HEATER APPLICATION IN MARINE ENGINEERING

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1 A STUDY OF ABSORPTION CHILLER/HEATER APPLICATION IN MARINE ENGINEERING The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference, June 21-23, 2016

2 Advantages of Applying Absorption Chiller/Heater Working Principle of Absorption Cycle Types of Absorption Chiller/Heater Operation Mode of Absorption Chiller/Heater Design Consideration of Absorption Chiller/Heater Application in Marine Engineering An Example of HAVC with Absorption Chiller Applicable in Marine Engineering Summary OUTLINE 1 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference, June 21-23, 2016

3 ADVANTAGES OF USING ABSORPTION CHILLER/HEATER (COMPARING TO ELECTRICAL COMPRESSION CHILLER) Diversity of Heating Energy Recovery of Waste/Exhaust Heat Large Reduction in Power Input Providing Cooling and Heating from One Integrated Unit Reducing Emissions Improving Efficiency of Entire Thermodynamic System 2 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference, June 21-23, 2016

4 WORKING PRINCIPLE OF ABSORPTION CYCLE 3 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

5 TYPES OF ABSORPTION CHILLER/HEATER Refrigerant Water/Ammonia (H2O-NH3): Ammonia Lithium-Bromide/Water (LiBr-H2O): Water Configuration Single-Effect Double-Effect Heating Source Direct-Fired: Gas or Fuel Oil burner Indirect-Fired: Steam or Hot Water Produced by Exhaust Gas or Solar Panels Hybrid: Fuel and Exhaust Gas 4 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference, June 21-23, 2016

6 SINGLE-EFFECT INDIRECT FIRED 5 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

7 DOUBLE-EFFECT INDIRECT FIRED 6 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

8 DOUBLE-EFFECT DIRECT FIRED 7 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

9 DOUBLE-EFFECT HYBRID 8 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

10 OPERATION MODE OF ABSORPTION CHILLER/HEATER Cooling Mode Heating Mode MODE CHANGE 1. High Temperature Generator (HTG) 2. Low Temperature Generator (LTG) 3. Condenser 4. Absorber 5. Evaporator 6. High Temperature heat Exchanger (HTHEX) 7. Low Temperature Heat Exchanger (LTHEX) 9 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

11 DESIGN CONSIDERATION OF ABSORPTION CHILLER/HEATER APPLICATION IN MARINE ENGINEERING HVAC system Lithium-Bromide/Water (LiBr-H2O) Single-Effect Heating Energy Indirect Fired: Waste/Exhaust Heat Recovered from propulsion engines (Diesel Engine, Gas Turbine) Direct Fired: Gas or Fuel Oil Solar Panels 10 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

12 ABSORPTION CHILLER WITH SOLAR PANELS COOLING TOWER (CT) HTFS 3-WAY MOTORIZED VALVE CONTROL VALVE SOLAR PANELS ISOLATION VALVE PUMP FUN HIGH EFFICIENCY HEAT EXCHANGER ENERGY SUPPLY CWR CWS RA AIR HANDLING UNIT (AHU) C C H C SA HTFR ABSORPTION CHILLER CHWR CHWS HWR HWS CHWS CHWR CWS CWR HWS HWR HTFS HTFR SA RA CHILLED WATER SUPPLY CHILLED WATER RETURN COOLING WATER SUPPLY COOLING WATER RETURN HEATING WATER SUPPLY HEATING WATER RETURN HEATING TRANSFER FLUID SUPPLY HEATING TRANSFER FLUID RETURN SUPPLY AIR RETURN AIR 11 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

13 DIESEL ENGINE REPLACED EA W EA WASTE HEAT BOILER EA STEAM TURBINE W COOLING TOWER (CT) CWR CWS CHWS CHWR CWS CWR HWS HWR CWR SS SA RA CHILLED WATER SUPPLY CHILLED WATER RETURN COOLING WATER SUPPLY COOLING WATER RETURN HEATING WATER SUPPLY HEATING WATER RETURN CONDENSATE WATER RETURN STEAM SUPPLY SUPPLY AIR IA INLET AIR RETURN AIR EA EXHAUST AIR RA AIR HANDING UNIT (AHU) C H IA GAS TURBINE CHWR CHWS PRE COOLING W WS EA CONDENSATE TANK FUEL SUPPLY ABSORPTION CHILLER PUMP CHWR CHWS SS CWR 3-WAY MOTORIZED VALVE CONTROL VALVE ISOLATION VALVE FUN C C SA ABSORPTION CHILLER/HEATER WITH EXHAUST HEAT 12 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

14 AN EXAMPLE OF HVAC WITH ABSORPTION CHILLER APPLICABLE IN MARINE ENGINEERING 13 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

15 HVAC SYSTEM MAJOR REQUIREMENTS AND DEDIGN SPECIFICATIONS 14 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

16 ABSORPTION CHILLER SYSTEM CONFIGURATION AIR-CONDITIONED SPACE EA RA FILTER AHU FAN ROOM R c OA SA SA CHWS c c CHWR ELECTRICAL CHILLER CWR CWS CONDENSER ABSORPTION CHILLER CHWS RS RR SS (From Waste Heat Boiler) CHWR CDR SS CDR 15 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

17 MAJOR EQUIPMENT SPECIFICATIONS AIR HANDLING UNIT Term Descriptoin Manufacturer Carrier Model AERO 39 MN, MW Total Sets 3 Capacity 32,000 CFM Chiller Water Coils 1/2" OD, Male Thread Conn. Steam Coils 5/8" OD, 175 psig@400f Shipping Weight 4,820 lbm Height X Width X Length 126" X 157" X 290" ABSORPTION CHILLER Term Descriptoin Manufacturer Thermax Model SD 20ACX Fluid Type Lithium Bromide/Water Chiller Water Flow 268 GPM Cooling Water Flow 489 GPM Steam Consumptoin 953 lb/hr Nominal Power Input 2.15kW Shipping Weight 12,300 lbm Height X Width X Length 101" X 84" X 116" Coefficient of Performance 1.43 ELECTRICAL CHILLER Term Descriptoin Manufacturer Carrier Model 30HXC-375 Fluid Type R-404A Capacity 350 tons Chiller Water Flow 268 GPM Cooling Water Flow 60 L/s Nominal Power Input 263 kw Operation Weight 5,721lbm Height X Width X Length 83" X 40" X 179" Coefficient of Performance The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

18 Diversity of heating energy Recovery of wasted heat Large reduction in power input Providing heating and cooling from one integrated unit Reducing emissions Improving efficiency of entire thermodynamic system Large potential in the current development of promoting liquefied natural gas as an alternative maritime fuel SUMMARY Absorption Unit Applied in Marine Engineering Single-Effect Double-Effect Solar Panels Gas Turbine Direct-Fired Indirect-Fired Cogeneration Fuel Oil Gas Waste Heat Boiler Exhaust Gas Hot Water Steam Heating Cooling Combined Cycle Steam Turbine 17 The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,

19 THANK YOU QUESTIONS? The 4 th Biennial Marine Transportation System (MTS) Research & Development Conference,