ITER CRYOGENIC SYSTEM ICEC-2014 LHe PLANTS PARALLEL OPERATION

Transcription

1 ITER CRYOGENIC SYSTEM ICEC-2014 He PANTS PARAE OPERATION The views and opinions expressed herein do not necessarily reflect those of the ITER Organization. E. Fauve a, M. Bonneton a, M. Chalifour a, H.S. Chang a, C. Chodimella a, E. Monneret a, G. Vincent a G. Flavien b, Y. Fabre b, D. Grillot b a ITER Organization b AIR IQUIDE Advanced Technologies ITER Organization Eric FAUVE ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 1

2 SUMMARY 1. He Plants: Schedule Project Overall Schedule Project Status 2. He Plants: ay-out Cryoplant Building Main Dimensions 3. He Plants: Main Characteristics Cooling Power Compressor Stations Cold Boxes 4. He Plants: Process Control Philosophy Three Plants in Parallel ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 2

3 1. He PANTS: SCHEDUE Project Overall Schedule Project Status 6 years Dec Dec PREIM. FINA DESIGN 10 months 12 Months PROCUREMENTS 24 Months ASSEMBY 18 Months INSTAATION 15 Months COMMISSIONING 22 Months t0 +1 year +2 years +3 years +4 years Today +6 years ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 3

4 2. He PANTS: AY-OUT Cryoplant Building Main Dimensions ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 4

5 2. He PANTS: AY-OUT CRYOPANT BUIDING: 120 m x 45 m Compressor Station: 33 m x 11 m Oil Removal Skid: ~10 m x ~5 m Cold Box With Panels: 21 m x 10 m 45 m 120 m ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 5

6 2. He PANTS: AY-OUT He PANTS AY-OUT: ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 6

7 2. He PANTS: AY-OUT COMPRESSOR STATION: 33m x 11m W H BUS 12 m 2.6 m 3.6 m BOCK 6 m 3.4 m 3.6 m ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 7

8 2. He PANTS: AY-OUT COD BOXES: 21m x 4.2m 140 tons W H BUS 12 m 2.6 m 3.6 m BOX 21 m 4.2 m 4.2 m ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 8

9 2. He PANTS: AY-OUT CRYOPANT BUIDING: 120 m x 45 m Compressor Station: 33 m x 11 m Oil Removal Skid: ~10 m x ~5 m Cold Box With Panels: 21 m x 10 m 45 m 120 m ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 9

10 3. He PANTS: Characteristics He Plants Compressor Stations Cold Boxes ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 10

11 3. He PANTS: Characteristics 1 He Plant: Cryogenic Power / Plant: 25 kw [13 kw 37 kw Pulsed] ITER: 25 kw per Plant CERN: 18kW per Plant ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 11

12 3. He PANTS: Characteristics 3 He Plants: Cryogenic Power / Plant: 25 kw Cryogenic Power / Total: 75 kw [ 40kW 110 kw Pulsed] CERN: ~ 140 kw ITER 80K oop: ~ 40 KW ITER He Plants: ~ 75kW ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 12

13 3. He PANTS: Characteristics 3 COMPRESSOR STATIONS: MYCOM Compressors: x 6 /Plant x18 Total Electrical Power: 8 MW /Plant 24 MW Total 1 COMPRESSOR STATION: 1 PANT ea. Type Power ea. Flow ea. Flow Total P X kw 400 g/s g/s HP X S kw g/s g/s ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 13

14 3. He PANTS: Characteristics 3 COMPRESSOR STATIONS: MYCOM Compressors: x 6 /Plant x18 Total Electrical Power: 8 MW /Plant 24 MW Total HEAT RECOVERY SYSTEM: Heating Power: 12 MW 1 Ton of Oil Equivalent per hour Process Heat is used to provide Heating to ITER Buildings. 12 MW of Windmill ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 14

15 3. He PANTS: Characteristics 3 COD BOXES: A Turbines: x 4 /Plant N2 Consumption: /day Total [ eq. to x 3 Trucks / day] N2 Plants on site to cover He Plants needs. 1 COD BOX: 1 PANT Type Efficiency Power ea. Flow ea. Temp. N kw N2 250 g/s 80 K Turbine 1 TC-4 77 % 15 kw 115 g/s 50 K Turbine 2 TC-4 77 % 13 kw 170 g/s 30 K Turbine 3 TC-4 77 % 11 kw 230 g/s 20 K Turbine 4 TC-5 74 % 11 kw 1300 g/s 5 K Needs equivalent to 3 TRUCKS / DAY ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 15

16 4. He PANTS: Process Main Challenges Control Philosophy Three Plants in Parallel ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 16

17 4. He PANTS: PROCESS Main challenges: Multiple Users Pulsed oads 3 He Plants in Parallel 110 kw 4.5K 65 % Variations over 30 minutes 75 % 40 kw 4.5K 25 % ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 17

18 4. He PANTS: PROCESS 1 He PANT: 2 Stage Compressor Station N2 Pre-Cooling Turbo-Expanders [x3] Turbo-Expander He Sub-Cooler JT Valve USERS 175m3 He Tank ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 18

19 4. He PANTS: PROCESS 3 He PANTS: 30 min 110 kw g/s g/s 40 kw g/s MIN MAX MIN MIN oad: He accumulated MAX oad: He consumed 0 kw P USERS 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 19

20 4. He PANTS: PROCESS 3 He PANTS: 30 min of VARIATION ~1 % of TOTA VOUME For 3 Plants: evel Variation ~1% He Tank designed to store the entire ITER He Inventory P USERS 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 20

21 4. He PANTS: PROCESS 3 He PANTS: USERS 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 21

22 4. He PANTS: PROCESS 3 He PANTS: EXCESS CAPACITY SHARING: Give all you can! USERS P Up to g/s 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 22

23 4. He PANTS: PROCESS 3 He PANTS: EXCESS CAPACITY SHARING: Take what you need! USERS P Up to g/s 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 23

24 4. He PANTS: PROCESS 3 He PANTS: FOW RETURN FROM USER! Up to g/s USERS P 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 24

25 4. He PANTS: PROCESS 3 He PANTS: FOW RETURN FROM USER! MAIN CHAENGE! USERS P 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 25

26 4. He PANTS: PROCESS 3 He PANTS: FOW RETURN FROM USER! MAIN CHAENGE! T T T Up to g/s USERS P 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 26

27 4. He PANTS: PROCESS 3 He PANTS: FOW RETURN FROM USER! MAIN CHAENGE! T T T CONTROER Up to g/s USERS P 175m3 ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 27

28 4. He PANTS: PROCESS 3 He PANTS: COMPRESSOR STATION SHARING COMPRESSOR STATION INTERCONNECTED: Same P Pressure: Better GHe Flow sharing. Efficient Mass Balance: No Exchange through He Buffer Tank. Common Compressor Station: Better Stability in Case of a single compressor Failure. ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 28

29 4. He PANTS: PROCESS MAIN CONCUSIONS: SHe Production: Users are served in priority. Excess flow sent to the He Tank. He from He Tank used for Sub-Cooler. Users Return GHe Repartition: Based on Temperature Monitoring. Compressor Station: Interconnected More Robust Better Mass and Flow Balance ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 29

30 THANK-YOU FOR YOUR ATTENTION He PANTS PARAE OPERATION The views and opinions expressed herein do not necessarily reflect those of the ITER Organization. E. Fauve a, M. Bonneton a, M. Chalifour a, H.S. Chang a, C. Chodimella a, E. Monneret a, G. Vincent a G. Flavien b, Y. Fabre b, D. Grillot b a ITER Organization b AIR IQUIDE Advanced Technologies ITER Organization Eric FAUVE ITER CRYOGENIC SYSTEM He PANTS 2014, ITER Organization ICEC Page 30