Transcription
Heat Pump & Thermal Storage Technology Center of Japan3rd Conference of AHPNW“Research and Development ofHeat Pump and Thermal Storage Technologiesin Industrial and Residential Sectors”PioneeringIndustrial Heat Pump Technologyin JapanDr. Choyu WatanabeChubu Electric Power Co., Inc.3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20131
Heat Pump & Thermal Storage Technology Center of JapanContents1 Introduction2 Apparatus technology1) Definition and types of industrial heat pumps2) High temperature heat pumps3) Refrigerants for high temperature heat pumps4) Thermal storage technology3 System technology and application1) Distributed heat pumps and heat recovery in industrialprocesses2) Two examples of the introduction to the industrial processof heat pumps4 Conclusions3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20132
Heat Pump & Thermal Storage Technology Center of JapanIntroductionHeat pump technologyimportant for boosting Reducing CO2 emissions Reducing primary energy consumption Increasing the amount of renewable energy usedScope of industrial applications Expected to expand,further enhancing these effects3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20133
Heat Pump & Thermal Storage Technology Center of JapanPioneeringIndustrial Heat Pump Technologyin Japan for hot water supplyfor hot air supplyfor re-heating of circulating waterfor steam generation3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20134
Heat Pump & Thermal Storage Technology Center of JapanIEA (International Energy Agency)HPP (Heat Pump Program) HPP operates under the IEA and was founded in 1978 as oneof the international technology collaborations on the basis ofimplementing agreements. HPP is a non-profit organization under which participants indifferent countries cooperate in projects in the field of heatpumps and related heat pumping technologies such as airconditioning, refrigeration and working fluids (refrigerants). The current member countries are Austria, Canada, Denmark,Finland, France, Italy, Germany, Japan, the Netherlands,Norway, South Korea, Sweden, Switzerland, United Kingdomand the United States.3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20135
Heat Pump & Thermal Storage Technology Center of JapanIEA HPP Annex 35(Application of industrial heat pumps) The objective of the annex is to reduce the useof energy and emissions of greenhouse gasemissions by the increased application of heatpumps in industry. Start date: May 2010, End date: April 20143rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20136
Heat Pump & Thermal Storage Technology Center of JapanIEA HPP Annex 35 National expert meeting of Japan Objectives・Mutual exchange of information on industrial heat pumps・Providing a country report for Annex activities Members・Organized by stakeholders of industrial heat pumps・21 people from universities, research institutes, electric powerutility, engineering and manufacturing companies Representative organizations for the IEA HPP・NEDO (New Energy and Industrial Technology DevelopmentOrganization )・HPTCJ (Heat Pump & Thermal Storage Technology Centerof Japan)3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20137
Heat Pump & Thermal Storage Technology Center of JapanContents1 Introduction2 Apparatus technology1) Definition and types of industrial heat pumps2) High temperature heat pumps3) Refrigerants for high temperature heat pumps4) Thermal storage technology3 System technology and application1) Distributed heat pumps and heat recovery in industrialprocesses2) Two examples of the introduction to the industrial processof heat pumps4 Conclusions3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20138
Heat Pump & Thermal Storage Technology Center of JapanDefinition of Industrial Heat PumpsHeat pumps used forrecovery and heat upgradingin industrial processesand forheating, cooling and air-conditioningin industrial buildings3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 20139
Heat Pump & Thermal Storage Technology Center of JapanFour General Types of Industrial Heat Pumps [1][1] US Department ofEnergy: "Industrial HeatPumps for Steam and FuelSavings", DOE/GO102003-1735, 2003.closed-cycle mechanical heat pumpopen-cycle thermal vaporrecompression heat pumpsopen-cycle mechanical vaporrecompression heat pumpsclosed-cycle absorption heat pumps3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201310
Heat Pump & Thermal Storage Technology Center of JapanContents1 Introduction2 Apparatus technology1) Definition and types of industrial heat pumps2) High temperature heat pumps3) Refrigerants for high temperature heat pumps4) Thermal storage technology3 System technology and application1) Distributed heat pumps and heat recovery in industrialprocesses2) Two examples of the introduction to the industrial processof heat pumps4 Conclusions3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201311
Heat Pump & Thermal Storage Technology Center of JapanHigh Temperature Heat Pumps Closed-cycle mechanical heat pump CO2 transcritical cycle Single-stage compression reverse Rankine cycle Two-stage compression reverse Rankine cycle Cascade reverse Rankine cycle Open-cycle mechanical vapor recompression heat pumps Open-cycle thermal vapor recompression heat pumps Hybrid vapor recompression system Closed-cycle absorption heat pumps Type-2 absorption heat pump3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201312
Heat Pump & Thermal Storage Technology Center of JapanCO2 Transcritical CycleTemperature：ｔ( )150100Hot Water (Air) Supply12MPaSuper Critical50Critical PointGasLiquid & Gas01.0Cool Water (Air)3.5MPa1.61.21.41.8Entropy： S(kJ/(kg*K)2.03rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201313
Heat Pump & Thermal Storage Technology Center of JapanWater-Source CO2 Transcritical Heat PumpMayekawa Mfg. Co., Ltd. delivering hot air, with screw type compressor3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201314
Heat Pump & Thermal Storage Technology Center of JapanPE02TE06TE07FS01ValveHeat sourcewater outletHeat sourcewater inletEco-Sirocco Piping diagramType：ES-HAW12 EvaporatorCharge portValveBall valveBall valveTE04EXV01EXV02strainerAirTE03strainerGas coolerInternal heat exchangeHigh pressure refrigerantLow pressure refrigerantHeat source waterSymbolEXV 01，EXV 02H01PE01 PE03TE01 TE07FS01PS01TE05Hot airEquipment nameElectronic expansion valveOil heaterPressure transmitterResistance Temperature Detector ( RTD )Fluid sensorPressure switches3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201315
Heat Pump & Thermal Storage Technology Center of JapanHigh Temperature Heat Pumps Closed-cycle mechanical heat pump CO2 transcritical cycle Single-stage compression reverse Rankine cycle Two-stage compression reverse Rankine cycle Cascade reverse Rankine cycle Open-cycle mechanical vapor recompression heat pumps Open-cycle thermal vapor recompression heat pumps Hybrid vapor recompression system Closed-cycle absorption heat pumps Type-2 absorption heat pump3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201316
Heat Pump & Thermal Storage Technology Center of JapanSingle-stage Reverse Rankine Cycle (R134a)Critical PointTemperature：ｔ( )100Liquid1.5MPa50Cool Water(Air)01.2Liquid GasHotWaterGas0.5MPa1.61.41.8Entropy： S(kJ/(kg*K)2.03rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201317
Heat Pump & Thermal Storage Technology Center of JapanHeat Pump for Washing ProcessZeneral Heat Pump Industry Co., Ltd.3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201318
Heat Pump & Thermal Storage Technology Center of JapanHigh Temperature Heat Pumps Closed-cycle mechanical heat pump CO2 transcritical cycle Single-stage compression reverse Rankine cycle Two-stage compression reverse Rankine cycle Cascade reverse Rankine cycle Open-cycle mechanical vapor recompression heat pumps Open-cycle thermal vapor recompression heat pumps Hybrid vapor recompression system Closed-cycle absorption heat pumps Type-2 absorption heat pump3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201319
Heat Pump & Thermal Storage Technology Center of JapanTwo-Stage CompressionReverse Rankine Cycle (R134a)Temperature：ｔ( )Critical PointHotWater100Liquid50Cool Water01.2Liquid Gas1.61.41.8Entropy： S(kJ/(kg*K)Gas2.03rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201320
Heat Pump & Thermal Storage Technology Center of JapanWaste Heat Recovery Heat Pump Water HeaterTwo-Stage Turbo-Compressor System with EconomizerMitsubishi Heavy Industries, Ltd.Electric power WHot water heat pumpETW － LSystem flowThe first step impellerHeat source waterInlet temperature10 50 Turbo compressorThe second step impellerEvaporatorCondenserThe maximum hot waterInlet temperature90 EconomizerHeat sourcethe quantity of heatHot waterthe quantity of heatQ2 Q1 WThe mainexpansion valveQ1Heat source waterOutlet temperatureVice-expansion valveHot waterRefrigerant: R-134a3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201321
Heat Pump & Thermal Storage Technology Center of JapanWaste Heat Recovery Heat Pump Water HeaterTwo-Stage Turbo-Compressor System with EconomizerMitsubishi Heavy Industries, Ltd.SpecificationsHeating capacity(kW)376545547Cooling capacity (kW)266400405Electrical output of Compressormotor (kW)104136133Entering watertemperature (oC)506580Leaving watertemperature (oC)607590Entering watertemperature (oC)153550Leaving watertemperature (oC)103045CondenserEvaporator3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201322
Heat Pump & Thermal Storage Technology Center of JapanTwo-Stage Compression Reverse Rankine Cycle(R245fa)Critical PointTemperature：ｔ( )1502.3MPa100Hot Water(Steam)1.0MPaLiquidGasLiquid GasCool Water501.21.40.4MPa1.61.82.0Entropy： S(kJ/(kg*K)3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201323
Heat Pump & Thermal Storage Technology Center of JapanSteam-Generating Heat Pump SGH 120 ModelKobe Steel, Ltd.Industrial ProcessWaste HotWater (65oC)Steam, 120oC,0.1MPa Gauge,0.51t/hHeat Pump UnitRefrigerant CompressorEvaporatorExpansionValve370kW, COP3.5CondenserFlashTankWaterSupply(20oC)3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201324
Heat Pump & Thermal Storage Technology Center of JapanSteam-Generating Heat Pump SGH 120 ModelSupply 0.0 to 0.1 MPa Gauge steam, lifting up waste heat at 35 to 65oCKobe Steel, Ltd.Flash Tank3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201325
Heat Pump & Thermal Storage Technology Center of JapanSteam-Generating Heat Pump SGH 165 Model660kW, COP2.5Industrial ProcessWasteHot Water(70oC)Steam, 165oC,0.6MPa Gauge0.89t/hKobe Steel, Ltd.SteamCompressorSteam100-110 oCHeat Pump UnitRefrigerant erWaterSupply(20oC)3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201326
Heat Pump & Thermal Storage Technology Center of JapanSteam-Generating Heat Pump SGH 165 ModelSupply 0.2 to 0.8 MPa Gauge steam, lifting up waste heat at 35 to 70oCKobe Steel, Ltd.Flash Tank3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201327
Heat Pump & Thermal Storage Technology Center of JapanSteam-Generating Heat Pump SGH 165 ModelInstalled at Electric Power Engineering Research Laboratoryof Central Research Institute of Electric Power Industry (CRIEPI),Yokosuka City, Japan3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201328
Heat Pump & Thermal Storage Technology Center of JapanHigh Temperature Heat Pumps Closed-cycle mechanical heat pump CO2 transcritical cycle Single-stage compression reverse Rankine cycle Two-stage compression reverse Rankine cycle Cascade reverse Rankine cycle Open-cycle mechanical vapor recompression heat pumps Open-cycle thermal vapor recompression heat pumps Hybrid vapor recompression system Closed-cycle absorption heat pumps Type-2 absorption heat pump3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201329
Heat Pump & Thermal Storage Technology Center of JapanCascade Reverse Rankine Cycle For Reheating Circulating Hot Water120100Temperature (oC)8060R134acycleHotWateror Air88oC40oC4045oCR410Acycle200-20100CoolWateror Air200300400Enthalpy (kJ/kg)7oC5003rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201330
Heat Pump & Thermal Storage Technology Center of JapanCascade Heat Pump System for Reheating Circulating Hot WaterToshiba Carrier CorporationWashing machine ・Heating system etc.Heat source unit1st stageHeat ofthe airHeating in the compressorSupply unitHeat ofthe airCirculationheatingHeat ofthe airCirculation pumpThe reuse of the cold airis possible, too( Image )2nd stageFurthermore, heating in the compressorHeating capacityCOPLeaving water temperature14.0kW3.5*50- 90 oC3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201331
Heat Pump & Thermal Storage Technology Center of JapanCascade Heat Pump System for ReheatingCirculating Hot WaterToshiba Carrier CorporationHeat source unit(R410A, Twin Rotary Compressor)Supply source unit(R134a, Twin Rotary Compressor)3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201332
Heat Pump & Thermal Storage Technology Center of JapanHigh Temperature Heat Pumps Closed-cycle mechanical heat pump CO2 transcritical cycle Single-stage compression reverse Rankine cycle Two-stage compression reverse Rankine cycle Cascade reverse Rankine cycle Open-cycle mechanical vapor recompression heat pumps Open-cycle thermal vapor recompression heat pumps Hybrid vapor recompression system Closed-cycle absorption heat pumps Type-2 absorption heat pump3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201333
Heat Pump & Thermal Storage Technology Center of JapanHybrid Vapor Recompression SystemMayekawa Mfg. Co., Ltd.Mechanical vapor recompressionThermal vapor recompression3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201334
Heat Pump & Thermal Storage Technology Center of JapanHigh Temperature Heat Pumps Closed-cycle mechanical heat pump CO2 transcritical cycle Single-stage compression reverse Rankine cycle Two-stage compression reverse Rankine cycle Cascade reverse Rankine cycle Open-cycle mechanical vapor recompression heat pumps Open-cycle thermal vapor recompression heat pumps Hybrid vapor recompression system Closed-cycle absorption heat pumps Type-2 absorption heat pump3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201335
Heat Pump & Thermal Storage Technology Center of JapanType-2 Absorption Heat Pump(ABSORPTION HEAT TRANSFORMER)Duhring diagramSaturated temperatureQQEva.Abs.QCon.Gen.QCooling waterHot waterSteamSolution temperature3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201336
Heat Pump & Thermal Storage Technology Center of JapanType-2 Absorption Heat PumpWASTE HEAT RECOVERY STEAM GENERATOR(ABSORPTION HEAT oratorCoolingTower40oCRefrigerantSolution emperatureFeedWaterRefrigerantvaporCondenser3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201337
Heat Pump & Thermal Storage Technology Center of JapanSpecifications of waste heat recovery steam generatorsEBARA Refrigeration Equipment &Systems Co., Ltd.TypeProductionSteam TemperaturePressureFeed water temperatureHot waterCooling WaterPower sourceOperating weightSize (mm)003385 kg/h006770 kg/h120 C0.2 MPa (Absolute)80 C88 79.3 C895 L/min1790 L/min25 30 C775 L/min1550 L/min3φ200 V 50/60 Hz6 ton9 tonL2100 W1800 L3600 W1800 H2550H25503rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201338
Heat Pump & Thermal Storage Technology Center of JapanWaste Heat Recovery Steam Generator (Type 006)EBARA Refrigeration Equipment &Systems Co., Ltd.3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201339
Heat Pump & Thermal Storage Technology Center of JapanBlock Diagram of the System InstalledHeat Recovery Steam Generator (Type 006)EBARA Refrigeration Equipment &Systems Co., Ltd.2.0MPa92EjectorSteam HeaderAbsorptionheat transformerProcess0.5MPa1340.1MPa 42EquipmentAEquipmentB47Boiler ABoiler BFuels100CoolingTowerWaste hot water89number : energy ratio3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201340
Heat Pump & Thermal Storage Technology Center of JapanContents1 Introduction2 Apparatus technology1) Types of industrial heat pumps2) High temperature heat pumps3) Refrigerants for high temperature heat pumps4) Thermal storage technology3 System technology and application1) Distributed heat pumps and heat recovery in industrialprocesses2) Two examples of the introduction to the industrial processof heat pumps4 Conclusions3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201341
Heat Pump & Thermal Storage Technology Center of JapanBasic Characteristics of Refrigerantsfor High Temperature Heat Pump Applicationsfor low GWPRefrigerantChemical formulaR744CO2R1234yfCF3CF CH2R134aCF3CH2FR1234ze(E) CFH CHCF3R1234ze(Z) CHF CHCF3R245faCF3CH2CHF2R365mfcCF3CH2CF2CH3Carbon 640.19GWP is-1,3,3,3 10tetrafluoropropene1,1,1,3,3pentafluoropropan 1030e1,1,1,3,3794pentafluorobutanenoneo3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201342
Heat Pump & Thermal Storage Technology Center of JapanSaturated Vapor Pressure CurveR134aR1234ze(E)R245faR1234ze(Z)R365mfc3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201343
Heat Pump & Thermal Storage Technology Center of JapanContents1 Introduction2 Apparatus technology1) Definition and types of industrial heat pumps2) High temperature heat pumps3) Refrigerants for high temperature heat pumps4) Thermal storage technology3 System technology and application1) Distributed heat pumps and heat recovery in industrialprocesses2) Two examples of the introduction to the industrial processof heat pumps4 Conclusions3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201344
Heat Pump & Thermal Storage Technology Center of JapanThermal Storage MaterialsIf Heat generated with heat pumps Waste heat exhausted in plants Stored in a thermal storage material,We can expect Improvement of disparities between day(peak) andnight(off-peak) power loads Further utilization of waste heatNormally Water or ice are used as thermal storage materials.But Thermal storage materials Over a wide temperature range from -3 to 250 oC3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201345
Heat Pump & Thermal Storage Technology Center of JapanCharacteristics and Application of Thermal Storage MaterialsThermalstorage materialMelting point(oC)Latent Heat Application method and(kJ/kg)fieldTrehaloseC12H22O110 to -3Nearly 210Tetra-n-butyl ammoniumbromide Type 15 to 8193Hydrate slurry(13 to 20 wt. %),Air conditioning ofmachine parts factoriesParafin(tetradecane)5.9229.1Ice slurry (10 wt. %),Air conditioning ofmachine parts factoriesSodium acetate trihydrateCH3COONa 3H2O58.8247 - 255Thermal storage for solarwater heater or wasteheat of 60 CErythritolHOCH2 (CHOH)2CH2OH118320MannitolHOCH2(CHOH) 4 CH2OH165.5303.7Thermal storage for wasteheat of a temperaturebelow 200 CIce slurry (0 to 30 wt. %),Cold storage of food3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201346
Heat Pump & Thermal Storage Technology Center of JapanContents1 Introduction2 Apparatus technology1) Definition and types of industrial heat pumps2) High temperature heat pumps3) Refrigerants for high temperature heat pumps4) Thermal storage technology3 System technology and application1) Distributed heat pumps and heat recovery in industrialprocesses2) Two examples of the introduction to the industrial processof heat pumps4 Conclusions3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201347
Heat Pump & Thermal Storage Technology Center of JapanSteam Supply Service in a Manufacturing Plant Producing cars, auto parts, electrical equipment, food, etc.Steam is produced in the energy centerSupplied to some factories and all areas of each factoryUsed in the manufacturing processManufacturing PlantFactoryEnergy CenterFactoryFactorySteam Supply ServiceFactoryFactoryFactory3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201348
Heat Pump & Thermal Storage Technology Center of JapanTotal Energy Efficiency of Steam Supply Service generally low (e.g. 20%-40%) due to Boiler loss Heat loss from piping Steam leakage loss in traps Drain recovery loss3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201349
Heat Pump & Thermal Storage Technology Center of JapanSteam Supply Service in a Factory The most commonly used steam temperaturezone is in the range e.g. 55-80 Many electric heaters are used for theseprocesses for which temperature control isrequired3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201350
Heat Pump & Thermal Storage Technology Center of JapanDistributed Heat PumpsSignificant energy savings are expected by Replacing some steam supply service and electric heaters With distributed high-temperature heat pumpsHeat Pumps,PreheatingHeat Pumps3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201351
Heat Pump & Thermal Storage Technology Center of JapanHeat Recovery Simultaneous utilization of cooling and heating Utilization of waste heatSteamGeneratingHeat PumpHeat Pump,PreheatingWaste HeatHeat PumpRefrigerationCooling3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201352
Heat Pump & Thermal Storage Technology Center of JapanTemperature of Heat Demand in Industrial ProcessesTemperature (oC)Type of industryProcess406080100120DryingNon-electrical machineWashingDegreasingAirDryingElectrical machineWashingDegreasingTransport zationWashingBeverageWashingSterilization3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201353
Heat Pump & Thermal Storage Technology Center of JapanContents1 Introduction2 Apparatus technology1) Definition and types of industrial heat pumps2) High temperature heat pumps3) Refrigerants for high temperature heat pumps4) Thermal storage technology3 System technology and application1) Distributed heat pumps and heat recovery in industrialprocesses2) Two examples of the introduction to the industrial processof heat pumps4 Conclusions3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201354
Heat Pump & Thermal Storage Technology Center of JapanCutting Process and Washing ProcessCutting and washing process of machinery parts Cooling water-soluble cutting oil with chillers Heating washing liquid by boiler steamnearly 20oCnearly 60oC3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201355
Heat Pump & Thermal Storage Technology Center of JapanHeat Pump for Washing ProcessZeneral Heat Pump Industry Co., Ltd.3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201356
Heat Pump & Thermal Storage Technology Center of JapanGround Plan of Machine Parts Factorieswith Heat Pump InstalledAISIN AW Co., Ltd., Gamagori plant8 heat pumps with heating power of 44kWHeating power of 22kWWest FactoryEast Factory6 heat pumps with heating power of 22kW3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201357
Heat Pump & Thermal Storage Technology Center of JapanOperation Results of Heat Pumps for Washing Processin the Machine Parts FactoriesGamagori plant, AISIN AW Co., Ltd.ConventionalSystemDevelopedSystemRate ofReductionEnergy Consumption[GJ/year]CO2 Emission[ton-CO2/year]20,2381,3405,51519473%86% Reduction of 89 % in running cost Payback time of Investment is 3 or 5 years3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201358
Heat Pump & Thermal Storage Technology Center of JapanTemperature of the Heat Demand in General PaintingProcess in Car Production Factory3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201359
Heat Pump & Thermal Storage Technology Center of JapanHeat Pump Introduction to Painting Process in Car ProductionHamura No4 plant, Hino Motors, Ltd.Conventional systemModified system Engineering Taikisha Ltd.Tokyo Electric Power Co., Inc.Heat recoveryheat pumpSteam boilerSteam boilerHot watertankINVSteam drainAbsorption refrigeratorAbsorption refrigeratorFresh airconditionerFresh airconditionerHot water coilSABooth(Fresh air)EARARASASteam coilBooth(Recycled air)Booth(Fresh air)EABooth(Recycled air)EA3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 2013EA60
Heat Pump & Thermal Storage Technology Center of JapanHeat Recovery Heat PumpTypeHEM-150ⅡCooling capacity456 kWHeating capacity566 kWRefrigerantHFC407ECompressor StartingInvertersystemType Semi-hermetictwin-screwInput110.1 kWRated COP Cooling4.14Heating5.14Quantity1Hamura No4 plant,Hino Motors, Ltd.Annual operating time4,880 hr. Engineering Taikisha Ltd.Tokyo Electric Power Co., Inc.3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201361
Heat Pump & Thermal Storage Technology Center of JapanEffects of Introduction of the Heat PumpsCompared with the Conventional SystemHamura No4 plant,Hino Motors, Ltd. A reduction of 63％ in running costA reduction of 47％ in CO2 emissionA reduction of 49% in primary energyPayback time of Investment is 3 or 4 years Engineering Taikisha Ltd.Tokyo Electric Power Co., Inc.3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201362
Heat Pump & Thermal Storage Technology Center of JapanContents1 Introduction2 Apparatus technology1) Definition and types of industrial heat pumps2) High temperature heat pumps3) Refrigerants for high temperature heat pumps4) Thermal storage technology3 System technology and application1) Distributed heat pumps and heat recovery in industrialprocesses2) Two examples of the introduction to the industrial processof heat pumps4 Conclusions3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201363
Heat Pump & Thermal Storage Technology Center of JapanConclusions Pioneering high-temperature heat pumps in Japan CO2 transcritical cycle Single-stage compression reverse Rankine cycle Two-stage compression reverse Rankine cycle Cascade Rankine cycle Hybrid vapor recompression system Type-2 absorption heat pump The energy efficiencies of steam supply service andelectric heaters in manufacturing plants are oftenlow. Significant energy savings are practicable bydistributed heat pumps and heat recovery.3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201364
Heat Pump & Thermal Storage Technology Center of JapanProspects In order to apply heat pumps for industrial applications, Investigate the required heat condition at enddemand, waste heat, operation time, installationspace, etc. for each manufacturing processcarefully Identify and quantify energy savings, economicbenefits, etc. In order to disseminate industrial heat pumps, Provide many examples of application which showthe benefits of the heat pumps clearly3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201365
Heat Pump & Thermal Storage Technology Center of JapanThank you for your attention !3rd Conference of AHPNW, HUST, Hanoi, Vietnam, 8 October 201366
recompression heat pumps open-cycle thermal vapor recompression heat pumps closed-cycle absorption heat pumps Four General Types of Industrial Heat Pumps [1] [1] US Department of Energy: "Industrial Heat Pumps for Steam and Fuel Savings", DOE/GO-102003-1735, 2003.
