Presentazione di Jan Boone (Mayekawa Europe) al XVI Convegno Europeo il 12 giugno 2015 - 2a sessione

1. XIV EUROPEAN CONFERENCE MILANO 10th
-11th
JUNE 2011 CSG
Latest Technology in Refrigeration and Air Conditioning
Under the Auspices of the PRESIDENCY OF THE COUNCIL OF MINISTERS
16th EUROPEAN CONFERENCE
TECHNOLOGICAL INNOVATIONS
IN REFRIGERATION AND IN AIR CONDITIONING
organised by
Centro Studi Galileo and
Associazione dei Technici italiani del Freddo
Politecnico of Milan 12th – 13th June 2015
• 15th EUROPEAN CONFERENCE
• THE LATEST TECHNOLOGIES IN AIR CONDITIONING AND REFRIGERATION INDUSTRY
• POLITECNICO OF MILAN 7 th-8th June 2013

3. NATURAL
REFRIGERANTS
ENERGY SAVING
90°C hot water NH3 heat pumps
In DAIRY PLANTS
presentation by : Jan Boone - MAYEKAWA EUROPE nv
3
MAYEKAWA Europe nv/sa

5. COMBINED NH3 CHILLER / HOT WATER HEAT PUMP

7. DOC.2015-688 R.1
Hot water 90°C
2 x 150.000 liter
Chilled water 1,5°C
2 x 150.000 liter
7

8. SPECIFICATION OF UNIT
UNIT 1 UNIT 2 TOTAL
CHILLER PART
Cooling Capacity [kW] 1030.1 1030.1 2060.2
Evaporative Temperature [C] 0.0 0.0
Inlet Water Temperature [C] 10.0 10.0
Outlet Water Temperature [C] 1.5 1.5
Intermediate Temperature [C] 45.0 45.0
HEAT PUMP PART
Heating Capacity [kW] 1452.6 1496.0 2948.6
Condensing Temperature [C] 81.0 92.0
Condenser
Inlet Water Temperature [C] 67.1 78.7
Outlet Water Temperature [C] 78.7 90.0
Liquid Sub Cooler
Inlet Water Temperature [C] 65.0 65.7
Outlet Water Temperature [C] 65.7 67.1
C.O.P cooling [ - ] 4.22 4.22 4.22
C.O.P heating [ - ] 7.49 5.99 6.64
tal Cooling capacity : 2060 kW
tal Heating capacity : 2950 kW
tlet water temperature : 1.5 C
tlet water temperature : 90 C
ERCOMPRESSION HOT WATER HEAT PUMP
8

9. Existing Boiler
TT
Well
Water
60℃
63℃
Gas
8~10℃
Steam
(8 barG)
Heat Pump
Part
Heat Pump
Part
MILK
85℃
MILK
90℃
Chiller
Part
Chiller
Part
Chiller
Part
Chiller
Part
65℃
66℃
66℃
67℃
67℃
79℃
79℃
90℃
63℃
88℃
②
①
③
④
⑤
⑥
⑦
⑧
3000kW
Heat Pump
Part
Heat Pump
PartC.O.P unit 1 = 5.99 (0,80)
C.O.P unit 2 = 4.79(0,80)
C.O.P total = 5.31 !!
9
UNIT
11000
UNIT
12000

10. SUCTION SEPARATOR
EVAPORATOR
LOW STAGE
N8M COMPR.
OIL SEPARATOR
UNIT 11000
8727 HRS
UNIT 12000
9633 HRS
10

11. N6HS HIGH STAGE COMPRESSOR
HEAT SOURCE FLASH TANK
HS OIL
SEPARATOR
CONDENSOR
LIQUID SUBCOOLER
11

13. RIT of HIGH STAGE HEAT PUMP
Gas Boiler High Stage Heat Pump
Heating capacity (day) kWh/day 58,972 Heating capacity kW 2948.6
Running time (day) hrs/day 20.0
efficiency of boiler - 0.85 Break kilowatto(/0,75) BkW 592
Heating Capacity kWh/day 69,378 Power Comsumption(day) kWh/day 11.840
Heating capacity (day) kWh/day 58972
Unit Price €/kWh 0.064 Unit price €/kWh 0.1
COP 4.97
Comsumption(year) kWh/yr 21,507,296 Consumption(year) kWh/year 3.670.000
Running cost (day) €/day 4440.2 Running cost(day) €/day 1.184
Operating days day/year 310 Operated days day/year 310
Running cost(year) €/year 1,376,462 Running cost(year) €/year 367.040
Merit (vs GAS Boiler) €/year 1.009.422
13

14. RIT of HIGH STAGE HEAT PUMP
Gas Boiler High Stage Heat Pump
Heating capacity (day) kWh/day 58,972 Heating capacity kW 2948.6
Running time (day) hrs/day 20.0
efficiency of boiler - 0.85 Break kilowatto(/0,75) BkW 592
Heating Capacity kWh/day 69,378 Power Comsumption(day) kWh/day 11.840
Heating capacity (day) kWh/day 58972
Unit Price €/kWh 0.064 Unit price €/kWh 0.1
COP 4.97
Comsumption(year) kWh/yr 21,507,296 Consumption(year) kWh/year 3.670.000
Running cost (day) €/day 4440.2 Running cost(day) €/day 1.184
Operating days day/year 310 Operated days day/year 310
Running cost(year) €/year 1,376,462 Running cost(year) €/year 367.040
Merit (vs GAS Boiler) €/year 1.009.422
14
EXPECTED MERIT : 1 M€/year

15. 15

16. XIV EUROPEAN CONFERENCE MILANO 10th
-11th
JUNE 2011 CSG
Latest Technology in Refrigeration and Air Conditioning
Under the Auspices of the PRESIDENCY OF THE COUNCIL OF MINISTERS
DOC.2015-688 R.0
MAYEKAWA Europe nv/sa
Svedan Industri Køleanlæg A-S Tlf. : +45 43 90 71 11
Håndværkerbyen 8 Vag Tlf : + 45 43 90 71 33
DK-2670 Greve
Danmark Internet : www.svedan.com