R717 ROMANIAN REFRIGERATION SYSTEMS ANALYSIS Professor Gratiela-Maria TARLEA, Ph.D

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1 R717 ROMANIAN REFRIGERATION SYSTEMS ANALYSIS Professor Gratiela-Maria TARLEA, Ph.D TECHNICAL UNIVERSITY OF CIVIL ENGINEERING BUCHAREST The Faculty of Building Services Thermodynamics Heat and Mass Transfer President ROMANIAN GENERAL ASSOCIATION OF REFRIGERATION Past President ASHRAE DANUBE CHAPTER BELGRADE December 2015

2 INTRODUCTION - TEWI - GWP R134 =1430 GWP NH3 = 0 ODP NH3 = R404A R134a R744 (CO2) 1

3 AMMONIA INDUSTRIAL REFRIGERATION IN ROMANIA IN THE LAST YEARS Fruites, 2% Vegetables, 2% Poultry Farms, 2% Food Industry Skate ring, 1% Diary, 2% Slaugther house, 5% Chemicals, 1% Drinks, 2% Warehouse, 3% Storage, 80%

4 Industrial Rrefrigeration - Logistics Centers - Meat & poultry - Slaughterhouses - Meat storage and processing - Dairy industry - Breweries, Beverages - Breweries - Soft drinks - Fish processing - Cold Store - Ice rinks

5 COMPRESSORS USED IN ROMANIAN AMMONIA REFRIGERATION PLANTS IN THE LAST YEARS Ammonia Compressors 90% 80% 80% 70% 60% 50% 40% 30% 20% 15% 10% 5% 0% reciprocating 2 stage reciprocating 1 stage screw

6 CONDENSERS USED IN ROMANIAN AMMONIA REFRIGERATION PLANTS IN THE LAST YEARS Condensers 100% 95% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 5% Water coold Evaporative

7 EVAPORATORS USED IN ROMANIAN AMMONIA REFRIGERATION PLANTS IN THE LAST YEARS Ammonia Evaporators 45% 40% 40% 35% 30% 30% 25% 20% 15% 15% 15% 10% 5% 0% Fin space 4 mm Fin space 7 mm Fin space 10 mm Fin space 12 mm

8 Logistic & distribution centers INNOVATION: Danone Logistics, Voluntari, Romania The refrigeration plant for the logistics center of Danone Romania Natural refrigerant, ammonia The system ensure minimum energy consumption including defrost optimization Innovation: compact manifold station ICF Danfoss - quick execution + maximum safety due to the reduction in welding

9 References Food Processing R717 Customer: Leading food processing company, Romania Modernization and expansion of existing plant with high GWP refrigerant R404A One of the most modern refrigeration plant in Romania Natural refrigerant, ammonia For efficient operation of screw compressors, condenser fans, ammonia and glycol pumps are driven by frequency converters Operating costs optimization via: heat recovery discharge from the oil cooling floating condensing pressure around the plant

10 Logistics & distribution centers references EXPERTISE: Leading Retail Logistic Center, Romania The most advanced refrigeration plant in Romania for a leading retail group Very high quality standards Natural refrigerant ammonia Heat recovery system in two-stages (one from discharge side, second from oil cooling) Automatic oil recovery system and all major equipment controlled by Variable Speed Drives

11 ROMANIAN SUPERMARKETS WORKING WITH R134A / R744 (CO2) CASCADE SYSTEM CITY REFRIGERATION CAPACITY [KW] Buzau P.Neamt FREEZING CAPACITY [KW] Trans critic new commercial applications! Lugoj Campina Rm.Valcea Moinesti Brasov Tg.Mures Mioveni Slatina 55 10

12 Supermarket Hybrid R744/R134a references EFFICIENCY/ENVIRONMENT: Carrefour Buzau, Romania Carrefour Express Buzau, August 2013: Frigotehnica completed the first project with new hybrid technology R744/R134A Efficient and environmentally friendly refrigeration system Heating of the premises with heat recovered from refrigeration circuit and using electric rolling valves

13 Hypermarket - Transcritical R744 references FIRST CO2 INSTALLATION: Carrefour Galati, Romania the first TRANSCRITICAL CO2 REFRIGERATION SYSTEM IN ROMANIA Complete refrigeration plant Heat recovery: preparation of hot water and for heating of the hypermarket Full compliance with client requirements Romanian engineering, delivery and installation Operation optimized: CO2 sub cooling and parallel compression Installation by our certified technicians.

14 Hypermarket Transcritical R744 references FULL CO2 INSTALLATIONS: Carrefour Brasov, Romania Carrefour Vulcan, Bucuresti, Romania Carrefour Targu Jiu, Romania, MegamMall Brasov: complete remodeling of an old refrigerating plant (R404A), and was performed while the hypermarket operated in normal conditions Carrefour Vulcan and Targu Jiu: completely new trans-critical R744

15 TRAINING of PERSONNEL INVOLVED IN THE FIELD OF REFRIGERATION AND AIR- CONDITIONING ACCORDING TO THE EU PROJECTS AND REGULATIONS

16 CONCLUSIONS AND FUTURE WORK Demonstrating a strong commitment to protect the environment through the use of natural refrigerants and most advanced refrigeration solutions, Romania decided to use green technology for CO2 cascade and trans critic new commercial applications; CO2, Ammonia as ecological refrigerant alternatives; EU refrigeration and air conditioning legislation implementation in Romania.

17 SUCCESS! Thank you for your attention!