CO 2 Refrigeration Development

Transcription

1 Perspectives on the Use of CO CO 2 Refrigeration Development 2 in Light Commercial Refrigeration Cooling with Carbon Dioxide Conference London/UK Mar 07 Ricardo A. Maciel CO 2 Project Manager

2 Outline A bit of Embraco Drivers for CO 2 Target Applications From Prototypes to Product Compressor Family Overall Product Results Compressor availability Closure

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4 Worldwide Presence

5 A success story that started 36 years ago...

6 ... which assures a constant growth 27, BRAZIL EUROPE CHINA *Million Units

7 Sustained by long-standing strategic relationships in the: household segment commercial segment

8 The outcome of this history is a leadership position with 22% market share in the global market

9 Product Line Full range product line

10 Commercial Application Platforms Evolution Displacement: (CC)

11 Environmental Concern Besides all product benefits and outstanding performance, Embraco especially focuses on minimizing any and all impacts of its productive chain on the environment CFC replacement in early 90 s HC introduction (R600a in 94 / R290 in 02)... and now CO 2 as refrigerant fluid

12 Drivers for CO2 Kyoto Protocol ratification Regulations on f-gases and environment Technology-oriented OEMs (Embraco customers) Market specifiers (light commercial refrigeration) environmentally friendly positioning (HFC-free refrigeration, refrigerants naturally effort)

13 Target Applications Air Conditioning Ice Cream Conservation Beverage Cooling Ice Machines CO 2 Heat Pumps Dryers Display Cases

14 From Prototypes to Product Phase IV - Product & Process Certification/Commercialization Concluded Undergoing Product approval, Trial Production, Institutes Approval Phase III - Product &Process Design DFMA, Risk Assessment, Reliability criteria definition Phase II - Optimization & Solution for Critical Points High efficiency design, Robustness (high pressures) Phase I - Potential Assessment Early measurements; impact on system and compressor design Phase 0 - Monitoring Conferences, Technical literature, Visits, CO2 Workshop in Brazil (Sintef, University of Maryland, POLO) jun-02 nov-02 mar-03 ago-03 jan-04 mai-04 out-04 fev-05 jul-05 dez-05 abr-06 set-06 jan-07 jun-07 Calendar

15 Compressor Family Frame 1 Frame cc 8.00cc 6.00cc 10.00cc Available in 07 Market investigation undergoing 1.00cc 2.30cc 1.75cc 3.00cc Diplacement [cc]

16 Overall Product Results Volumetric Efficiency - Benchmarking EK2140CD (R744) NEK2134U (R290) NEK2134GK (R404A) 80% 75.4% Volumetric Efficiency 70% 60% 50% 40% 30% 20% 61.9% 52.6% 51.4% 70.7% 54.0% 60.5% 59.2% 65.8% 10% 0% R404A/R290 Embraco compressors T suc = 32 o C (all refrigerants) T cond = 45 o C (R404A & R290) P disc = 85 bar (R744) Evaporating Temperature [ o C]

17 Overall Product Results Isentropic Efficiency - Benchmarking EK2140CD (R744) NEK2134U (R290) NEK2134GK (R404A) 60% 55.5% 56.6% 50% 51.0% 44.4% 44.9% 45.2% Isentropic Efficiency 40% 30% 20% 40.3% 39.8% 40.5% 10% 0% R404A/R290 Embraco compressors T suc = 32 o C (all refrigerants) T cond = 45 o C (R404A & R290) P disc = 85 bar (R744) Evaporating Temperature [ o C]

18 Overall Product Results Beverage Cooling - Vending Machine Energy Consumption Energy Consumption [kwh/month] Amb Temp 24 o C 32 o C Cans Temp [ o C] R134A CO 2 Min Avg Max Min Avg Max Baseline R134a Configuration Configuration Capillary tube + SLHX Capillary tube + SLHX Finned-tube HExs Finned-tube HExs Reinforced wall-thickness Reinforced wall-thickness Designed for Tamb = 32 Designed for Tamb = 32 o C o C Baseline comp: T6213Z Baseline comp: T6213Z Ambient Temperature [ o C] CO2 CapTube 0.873mm/4.0m/SLHX

19 Overall Product Results Ice Cream Conservation - Chest Freezer Energy Consumption Energy Consumption [kwh/month] Amb Temp Cabinet Top Temp [ o C] R404A CO 2 18 o C o C o C o C o C 25 o C o C Configuration Configuration Capillary tube + SLHX Capillary tube + SLHX Skin heat exchangers Skin heat exchangers Reinforced wall-thickness Reinforced wall-thickness Designed for Tamb = 32 Designed for Tamb = 32 o C o C Baseline comp: NEK2134GK Baseline comp: NEK2134GK Ambient Temperature [ o C] 40 o C Baseline R404A CO2 CapTube 0.6mm/3.5m/SLHX

20 Overall Product Results Ice Cream Conservation - Chest Freezer Seasonal Performance Estimation (*) Avg Energy Consumption [kwh/month] % (USA) Phoenix R404A R744 Energy Savings (R744/R404A) -1.0% -17.5% 3.1% Configuration Configuration Capillary tube + SLHX Capillary tube + SLHX Skin heat exchangers Skin heat exchangers Reinforced wall-thickness Reinforced wall-thickness Designed for Tamb = 32 Designed for Tamb = 32 o C o C Baseline comp: NEK2134GK Baseline comp: NEK2134GK (BRAZIL) Cuiabá (SPAIN) Mallorca (SAUDI ARABIA) Gizan -12.6% (LIBYA) Zuara -19.1% (AUSTRALIA) Adelayde 5% -10% -25% -40% -55% -70% -85% -100% Energy Savings [%]

21 Compressor availability Tentative Pilot Production Schedule - CO 2 Compressor Models Displacements EK6210CD 1,75cc M-HBP V 50Hz EK6210CD 1,75cc M-HBP 100V 50-60Hz EK6217CD 3,00cc M-HBP 100V 50-60Hz EK6217CD 3,00cc M-HBP V 50Hz EK2140CD 1,75cc LBP V 50Hz EK2178CD 3,00cc LBP V 50Hz EK6210CD 1,75cc M-HBP 115V 60Hz EK6217CD 3,00cc M-HBP 115V 60Hz EK6160CD 1,00cc M-HBP 100V 50-60Hz EK6160CD 1,00cc M-HBP 100V 50-60Hz (*) Quarter schedule to be confirmed by our marketing department Q02 '07 Q03 '07 Q04 '07 Q01 '08 Q02 '08 Time

22 Compressor availability CO 2 Compressor Assembly Facilities

23 Closure CO 2 compressor has been tested in a sort of different systems and the results are encouraging: COP and/or energy consumption better (5-10%) or equivalent to the respective HFC baselines at the design conditions Results also point to a superior seasonal performance for CO 2 when compared to the HFC baselines, promoting significant energy savings For 07 Embraco continues to disseminate the CO 2 technology (including new applications), making fully- developed CO 2 compressors commercially available to the market