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Una soluzione efficiente e competitiva con un basso GWP - F. Flohr - Daikin

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Convegno Europeo
IL PASSAGGIO AI REFRIGERANTI ALTERNATIVI:
IMPATTO SU IMPIANTI NUOVI ED ESISTENTI
Le Ultime Tecnologie nel Condizionamento e nella Refrigerazione; Sistemi, Attrezzatura, Componenti, Formazione e Certificazione; il Phase Down
15 marzo 2018 | 14.00 - 18.30
Mostra Convegno Expocomfort
Centro Congressi Stella Polare: Sala Sagittarius
Organizzato da ATF - Associazione Tecnici del Freddo

Published in: Environment
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Una soluzione efficiente e competitiva con un basso GWP - F. Flohr - Daikin

  1. 1. Positively Innovative DAIKIN Creard R407H A low GWP and cost-efficient service solution for R404A/507 in MT and LT applications Daikin Refrigerants Europe Daikin Chemical Europe Mostra Convegno Expocomfort 15 March 2018
  2. 2. 2 Who we are!
  3. 3. 3 Daikin‘s core business: Air Conditioning and Chemicals Who we are! The leading producer of Air conditioning / Refrigeration equipment in the world Most of the Refrigerants used in Air conditioners & Refrigeration systems are based on fluorine Today, we are one of the biggest manufacturers of fluorochemical products in the world To support our Air conditioning business, we have been involved in fluorine research since 1933
  4. 4. 4 Daikin‘s Chemical Division Sales Manufacturing Our global sales and manufacturing network
  5. 5. 5 Close to customers Daikin Refrigerants Europe GmbH  Location: Industrial Estate Frankfurt-Höchst , Germany Producing Fluorocarbon gas for various applications Residential / Commercial AC Refrigeration Pharmaceutical propellants Automotive AC R-134a R-507 and more… R-32
  6. 6. 6 The EU F-Gas Regulation
  7. 7. 7 EU F-Gas Regulation: Phase-down 0 20 40 60 80 100 120 140 160 180 200 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 CO2Equiv.,MT +15% -15% 2015: 100% 2030: 21% Corridor of F-Gas consumption variation as experienced during 2009 - 2012
  8. 8. 8 EU F-Gas Regulation: Phase-dowm Source: EPEE, The Gapometer Phase-down Roadmap: Contributions from Main Market Sectors ShortTerm Priority: Commercial Refrigeration
  9. 9. 9 Main use of R125 / R134a / R143a Refrigerant Component for GWP Safety Class NBP, °C Remarks R125 3500 A1 -48.1 R404A* (44%) 3922 A1 -46.6 LT commercial / supermarkets / transport / industry R407C (25%) 1700 A1 -43.8 Stationary AC R410A (50%) 2100 A1 -51.6 Stationary AC + HP R134a 1430 A1 -26.1 pure refrigerant 1430 A1 -26.1 MAC / Commercial / MT supermarket / Chiller / transport R404A* (4%) 3920 A1 -46.6 LT commercial / supermarkets / transport / industry R407C (52%) 1700 A1 -43.8 Stationary AC R143a 4470 A1 -47.2 R404A* (52%) 3922 A1 -46.6 LT commercial / supermarkets / transport / industry * R507 is considered under R404A
  10. 10. 10 Creard R407H
  11. 11. 11 Creard R407H Classification: R-407H is a non-ozone depleting HFC-Blend with a GWP of 1495 (IPCC AR4) It has been classified by ASHRAE as same safety group as R-404A, “A1: lower toxicity, no flame propagation refrigerant“. Creard R407H
  12. 12. 12 Creard R407H performance comparison: COP% Comparison of different R404A replacements R407H has the highest efficiency, HFO based blends fall behind… 106 108 110 112 114 116 118 120 122 -30°C -20°C -10°C 0°C COP,% DeviationCOP (R404A = 100%) R407F 40°C R407H 40°C R448A 40°C R449A 40°C Calculated values using Refprop 9.0: tom = -30°C to 0°C tcm = 40°C tsuperheat= 10K, Tsubcooled=2K nisv= f(po/pc)
  13. 13. 13 103 104 105 106 107 108 109 110 111 -30°C -20°C -10°C 0°C qvol.,% Deviation qvol. (R404A = 100%) R407F 40°C R407H 40°C R448A 40°C R449A 40°C Calculated values using Refprop 9.0: tom = -30°C to 0°C tcm = 40°C tsuperheat= 10K, Tsubcooled=2K nisv= f(po/pc) Creard R407H performance comparison: Deviation qvol. R407H shows the lowest capacity, but still more then R404A. Since R407H is used as a replacement for R404A in existing systems, it is ensured that the converted system delivers enough capacity.
  14. 14. 14 Creard R407H performance comparison: Dischargetemperature R407H has the highest discharge temperatures, but below 120°C, which is the typical limit in semi-hermetic and open compressor systems. 0 20 40 60 80 100 120 -30°C -20°C -10°C 0°C DischargeTemperature,°C DischargeTemperatures R404A 40°C R407F 40°C R407H 40°C R448A 40°C R449A 40°C Calculated values using Refprop 9.0: tom = -30°C to 0°C tcm = 40°C tsuperheat= 10K, Tsubcooled=2K nisv= f(po/pc)
  15. 15. 15 Creard R407H vs. R404A: practical MT test results
  16. 16. 16 Summary
  17. 17. 17 Creard R-407H applications in Italy
  18. 18. 18 Case Study Air-Food / LT-Application Colombo Frigoriferi s.n.c Via Sciesa 41 21013 Gallarte (VA), Italia info@colombofrigoriferi.it Project Partners
  19. 19. 19 Case StudyTramezzino / MT-Application COP R407H (calc) +42% Colombo Frigoriferi s.n.c Via Sciesa 41 21013 Gallarte (VA), Italia info@colombofrigoriferi.it Project Partners
  20. 20. 20 Thank you very much!!

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