Development of high temperature Heat Pumps using a low GWP refrigerant
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1 Development of high temperature Heat Pumps using a low GWP refrigerant Hideki Fuchikami MAYEKAWA Mfg. Co., Ltd.
2 Contents Company profile MAYEKAWA s Proposal with Natural Five Products from -271 C to C Cooling System with NH 3 /CO 2 Heat Pump system with CO 2 Mayekawa s challenges in Heat Pump field with low GWP refrigerant Circulation heating Heat Pump 150 generation Heat Pump 200 generation Heat Pump 2
3 MAYEKAWA s Proposal with [Natural Five] [Natural Five] are natural refrigerants utilized for refrigerators & Heat Pumps to achieve both [Energy Saving] and [No Use of Fluorocarbons]. Mayekawa has developed wide range of application with [Natural Five]. Air NH3 CO2 Air Cycle refrigerator PascalAir H2O NH 3 /CO 2 Indirect Cooling System NewTon HC CO 2 Heat pump unimo Adsorption Refrigerator AdRef-Noa Air-conditioning/Water-supply Heat Pump 3
4 MAYEKAWA s Proposal with [Natural Five] [Natural Five] are natural refrigerants utilized for refrigerators & Heat Pumps to achieve both [Energy Saving] and [No Use of Fluorocarbons]. Mayekawa has developed wide range of application with [Natural Five]. 4
5 MAYEKAWA s Refrigerators and Heat Pumps using Natural Refrigerants 5
6 NH3/CO2 Indirect Cooling System NewTon Energy Saving IPM Motor-driven Semi-Hermetic Screw Compressor Matrix Converter for IPM Motor New Screw Profile for NH3 Shell Plate Heat Exchanger Safety Indirect Cooling method minimizing NH3 circulation area Minimum NH3 Charge:21kg(R-3000) Bellows valves Compact Downsizing:24% less in weight Packaging for shorter installation Compound Screw Compressor for NewTon-R,F Single-stage Screw Compressor for NewTon-C Support Remote Monitoring for Predictive Maintenance Maintenance Support 24hr/365day 6
7 NewTon Products Line-up Application Type (Capacity) Liquid CO 2 supply Cold Warehouse Freezer Frozen Chilled Reabel ( 37.6kW) R-3000 ( 94.7kW) R-6000 (189.4kW) R-8000 (270.0kW) Sierra C ( 24.1kW) (237.0kW) F-300 ( 70.0kW) F-600 (140.0kW) F-800 (170.0kW) CO 2 supply: -32 (in-house temp.:-25 ) CO 2 supply: -5 (in-house temp.:-2 ) CO 2 supply: -42 (inside freezer:-35 ) Ice Rink S (185.0kW) CO 2 supply: -11 NewTon R-3000, NewTon F-300 NewTon C, NewTon S Energy saving 16~41% Installation as of ,495sets 7
8 NewTon Installation 8 NewTon to the World Japan 1,413sets Nashville Plant Moriya Plant Nashville(USA) to North and Central America (Since 2015) Canada USA Mexico 4sets 2sets 1set Aruja Plant Aruja(Brazil) to South America (Near future) Moriya(JP) to Asia Korea 1 set China 2 sets Taiwan 32 sets Vietnam 4 sets Thailand 11 sets Indonesia 16 sets Australia 4 sets Philippines 1 set Myanmar 4 sets 8
9 CO 2 Heat Pump unimo Products Line-up Food Plant, Manufacturing Plant Hotel, Hospital, Spa, etc. Eco Sirocco Air-source Eco Cute Water-source Eco Cute Air-source/Water-source Eco Cute Water-source CO 2 Heat Pump supplying Hot Air Supply of Hot water 65 ~90 Supply of Hot water 65 ~90 And Cold water -9 ~35 Supply of Hot water 65 ~90 or Supply of Hot water 65 ~90 And Cold water -9 ~35 Supply of Hot air 80 ~120 and Cold water -9 ~35 9
10 Heat Pump (HP) developing ~Supply Temperature & Heat Capacity~ Heat Capacity [kw] Circulation HP Supply of Hot water: 65 ~90 Heat capacity:35kw Compressor :Scroll Circulation heating 150 generation HP Supply of Hot oil: (heating medium) 120 ~150 Heat capacity:260kw Compressor :Screw Circulation heating 200 generation HP Supply of Hot oil: (heating medium) 160 ~200 Heat capacity: 500kW Compressor : Turbo One-way heating Supply Temperature [ ] 10
11 Circulation Heat Pump Feature Low GWP refrigerants(gwp:1~4) Circulation heating(δt=5~10 ) Picture of test facility Food Plant, Manufacturing Plant Hospital etc. Specifications(Design) Item Design value Refrigerant HFO-1234ze(E) or HC-based Compressor Scroll Lubricating oil PAG or PAO Design pressure 3.5 MPaG Heat kw 1 capacity kw 2 COP h Heat source temp. 40 Hot water temp Heat source inlet temp.40,hot water inlet temp.85 2 Heat source inlet temp.25,hot water inlet temp.60 11
12 150 C generation Heat Pump Research project sponsored by NEDO. Feature Low GWP refrigerants(gwp:3) Circulation heating(δt 5 20 ) Specifications Design Item Design value Refrigerant n-pentane Compressor Lubricating oil Screw PAG Design pressure 2.0 MPaG Heat capacity 260 kw COPh 3.0 Picture of test facility Heat source temp. 90 Hot oil temp Food, Beverage, Pharmaceutical, Chemical industries etc. (Tc=160,Te=80 12
13 200 C generation Heat Pump Feature Low GWP refrigerants(gwp:15) Magnetic bearing(no lubricating oil) Specifications(Design) Item Refrigerant Compressor Lubricating oil Design pressure Heat capacity Design value n-butane Turbo Not used 6.0MPaG 500kW Picture of test facility COP h (hot oil 100 /200 ) Heat source temp. Hot oil temp Food, Beverage, Pharmaceutical, Chemical industries etc. 13
14 200 C generation Heat Pump Research project sponsored by METI & NEDO. 10-year plan from 2013 to METI:Ministry of Economy, Trade and Industry (Government of JAPAN) First 5 years: Hot oil temp Last 5 years : Hot oil temp Developing heat pump to provide heat 160.(FY2017) 14
15 Mayekawa s challenges High temperature Heat Pumps using a low GWP refrigerant Circulation HP Supply of Hot water: Heat capacity 35kW Compressor Scroll Circulation heating 200 generation HP 150 generation HP Supply of Hot oil: (heating medium) Heat capacity: 260kW Compressor Screw Circulation heating HC-based GWP=4 HFO-1234ze(E) GWP<1 Supply of Hot oil: (heating medium) Heat capacity 500kW Compressor Turbo One-way heating n-butane GWP=15 n-pentane GWP=3 GWP values based on the IPCC s 5 th report Sponsored by NEDO or Ministry of the Environment report. Sponsored by METI & NEDO 15
16 Thank you for your attention Web Site of MAYEKAWA
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