MW stepchange in (concrete) processing industries

Transcription

1 MW stepchange in (concrete) processing industries Ir. C.B.G. Groffils

2 Agenda Introduction Applications Heating principle Energy balances Test equipment Summary

3 Magnetron Raytheon M.I.T. Caltech labs (Hall) 2.45 GHz

4 Batch oven 1970 multiple antennas on one oven 10*0.5kW (5kW) Product size 30cm by 50cm By 3m

5 Microwave vacuum drying m³ 4*6kW (24kW)

6 Agenda Introduction DYMOGROUP Applications Heating principle Energy balances Test equipment Summary

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8 Agenda Introduction DYMOGROUP Applications Heating principle Energy balances Test equipment Summary

9 Applications Applications in processing industry Drying - Sheet Drying : Waterbased and alcohol inks on plastics, (on paper, on textile, on wood...) - Bulk drying : Chips, Flakes, Gums, Granules, Slurry,...(Waste, Sand, Brics, Clay, )

10 ALCA HYBRID DRY microwave filter drying Flakes, gummies, slurries, granulates kg/h 16*2kW product size 2.5cm by 50cm Full PLC-automation

11 Introduction Applications of Heating -Deformation -- Forming - Joining - Melting - Glueing

12 Agenda Introduction DYMOGROUP Applications Heating principle Energy balances Test equipment Summary

13 Conventional Heating - External source - Limited energy transfer (Tmaterial, A source) - Efficiency 20-40% - Loss (Amaterial) DT

14 Microwave Heating + The material is the source + Energy transfer (Tmaterial, V volume) + Efficiency % + Loss (Amaterial) DT

15 Interaction: microscopic E (x,y,z,w) w = 2 p f f =2.45 GHz Interactie microgolf - polaire natuur van een watermolecule

16 Agenda Introduction DYMOGROUP Applications Heating principle Energy balances Test equipment Summary

17 Energy Balance estimate Verbruik 2,5T/h SiO2 5% humidity 0,055 /kwh CO2 emission 0 Schouw Luchtfilter waarde eenheid Elektriciteit 150 kw CO 2 (N.G.) 554 ton/jaar Gas m³/u Water m³/u oppervlakte 43,2 m² Kost waarde eenheid Elektriciteit /jaar CO 2 (N.G.) /jaar Gas /jaar Water /jaar oppervlakte /jaar Totaal (N.G.) /jaar Totaal (G.) /jaar Ketelhuis productiehal

18 Agenda Introduction DYMOGROUP Applications Heating principle Energy balances Test equipment Summary

19 AlcaDry 4 70 SPEED 10% 4, ,5 3,0 Temp ( C) ,5 2,0 1,5 Moisture Loss (%) 20 1,0 10 0, ,0

20 ALCA BOX 24 Drying/Heating +/- 1m³ 4*6kW (24kW) Up to 300 C PLC-autonomy

21 ALCA HEAT 32 Drying/Heating B 0,5m, L 4m 16*2kW (32kW) Up to 300 C PLC-autonomy

22 Agenda Introduction DYMOGROUP Applications Heating principle Energy balances Test equipment Summary

23 Summary Applications widespread in industry Microwave technology is mature Huge evolution in possibilities of industrial applications Industrial test equipment available within Dymogroup