Solar assisted industrial steam networks: two cases from the building & meat industry

Transcription

1 Solar assisted industrial steam networks: two cases from the building & meat industry Dipl.-Ing. Ilyes Ben Hassine SHIP event, Montpellier 2015

2 Content The InSun project Case 1: brick drying Case 2: meat processing The pre-heater The booster Lessons learned 2

3 research zafh.net, Germany coordinator + research EURAC, Italy research manufacturer SOLTIGUA, Italy system supplier Demo Partner Laterizi Gambettola SRL, Italy m² linear Fresnel collectors steam generation brick drying S.O.L.I.D, Austria system supplier SOLERA, Germany system supplier BERGER, Austria m² flat plate & parabolic trough collectors make up water preheating Service water meat industry 3

4 Case 1: the demo partner Laterizi Gambettola SRL (I) Italian SME Manufacturer of hollow bricks Production capacity (2011) 1000 t/a Cooking and drying processes Existing direct gas fired air heaters New: steam-to-air heat exchanger 4

5 Case 1: the process Part A Fan 1 Water Steam 2 HX Ambient air 4 3 Air from oven Air from top of the hall Heat demand Dryer: 13 GWh/a Dryer air at C 5

6 Case 1: the solar system Planned and installed by Soltigua (I) Field 1- HTF with thermal oil 1072 m² 600 kg/hr steam production 230 C in Field Field 2- DSG 1608 m² 900 kg/hr steam production 180 C Installed within

7 Case 1: the solar system 7

8 Case 1: the system integration Field 2: DSG Steam-to-air HEX Steam boiler BU boiler Field 1: HTF Thermal oil 8

9 Case1 : the system integration Steam pipeline steam-to-air HEX main condensate tank 9

10 Case 2: the demo partner chiller level 3, 7% Fleichwaren Berger (A) Austrian producer of hams, Sausages tons produced per day Heat demand : 10 GWh/a chiller level 2, 20% chiller level 1, 7% HD Boiler, 27% ND boiler, 39% Extended 2-level steam network Pressure 1,3 and 9 bar Several units with direct steam injection Water tanks with external HEX Advanced heat recovery measures 11

11 Case 2: the solar system Planned and installed by S.O.L.I.D. (A) 1067 m² flat plate collectors South oriented, 40 tilted 60m³ water storage tank Commissioned in April 2013 Monitored since July

12 Case 2: the solar system

13 Case 2: the system integration 14

14 Case 2b: the booster system Parabolic trough collectors Originally designed to feed solar heat to a cheese plant Later added to the FP installation 122m² Aperture E/W orientation (5) 20m² water tank Installed by SOLERA (D) Extremely tight time schedule (still under construction!!)

15 Case 2b: the solar system 17

16 Case 2b: the system integration 18

17 Case 2b: the system integration 19

18 Case 2b: the system integration 20

19 Lessons learned Authorization process is very time consuming (+3 authorities) Containerized BOP advantageous DSG is challenging from an - approval - control point of a view Roof-top installation to be cleared up in time (350 instead of 470 /m²) large field = large storage: suitable place? Extended heat supply system: local insiders are key personalities Monitoring: trade-off between sensor costs and grade of analysis detail Long-term Monitoring and fault detection to demonstrate the reliability and quality of large scale solar thermal systems increase market confidence 21

20 Common workshop with Sardegna Ricerche 22

21 Thank you! 23