Warm magnets and the remote handling system in the J-PARC beam line - - PowerPoint PPT Presentation

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Warm magnets and the remote handling system in the J-PARC beam line - - PowerPoint PPT Presentation

Feb 12, 2023 309 likes •538 views

Warm magnets and the remote handling system in the J-PARC beam line E. Hirose, K. H. Tanaka, Beam Channel Group Contents Normal conducting magnet floor plan for normal conducting magnet Specification of magnets Polyimide

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SLIDE 1

Warm magnets and the remote handling system in the J-PARCν beam line

  • E. Hirose, K. H. Tanaka, Beam

Channel Group

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SLIDE 2

Contents

  • Normal conducting magnet

– floor plan for normal conducting magnet – Specification of magnets – Polyimide and MIC Magnets

  • Quick disconnection and installation

system

– Remote hanging apparatus – Quick alignment and installation system – Cooling water connector

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SLIDE 3 サ ス ペ ン シ ョ ン 型 ク レ ー ン ( 2 t x 2 )

T P + 9 . 3 m T P + 9 . 3 m T P + 1 . 8 m T P + 1 . 8 m

T P + 1 . 8 m

ニュ ート リ ノ ・ ビーム ラ イ ン FQ1 FH1

ビ ー ム 振り 下げ

3 4 . 3 2 . 8 1 9 . 2 9 . 3 1 3 . 4 9 . 7

2 ( 遮 蔽 用 、 天 井 も )

汚 染 検 査 室

3 , 3 ,

ロ ス ・ ポイ ント ( 最大で2 5 W ) PH3 PV2 PQ5 PQ4 PV1 PD2 1.92 deg. bend PQ3 PQ1 PQ2A 1.92 deg. bend PD1 PH2 P H 1

R 1 4 4 3 3 R 1 7 7 R 1 6 4 R 1 4 R 9 9 6

PC1 PC2 PC3 PC4

e x p a n s i

  • n

j

  • i

n t ( ベース プレ ート 直下流、 適当な幅を置いて。 )

1 7 9 . 9 2 ° F V 2 F Q 4 F V 1 F Q 3 F H 2 F V 2 F Q 2 放射化物保管室 タ ーゲッ ト ・ ス テーショ ン( 地下レ ベル） 引き 出し 基準点 x = 4 9 6 1 5 2 8 . 5 8 , y = 6 9 5 6 1 2 8 3 . 9 4

ニュ ート リ ノ 標的

アーク 中心 x = 4 9 6 5 . 9 8 8 m , y = 6 9 4 5 . 3 5 6

サブト ンネルD E サブト ンネルD 1 2

Preparation section (ctrl’ed loss by collimator) 0.75kW (0.1%) Final Focusing section 0.25kW (0.03%) Normal conducting magnets

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SLIDE 4

preparation section

  • 20ton Crane x 2
  • Crane Lift : 3.5m
  • 50cm Concrete shield
  • Temporary Storage area
  • Pit for neutrino utility line
  • Pit for 50GeV utility line
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SLIDE 5

Focusing Section

  • We started to design the floor plan in detail.
  • Design scheme is almost the same as that of

preparation section.

  • 20ton crane x 2, tunnel width : 2m+6m, pit for

utility line, 50cm shield, etc...

Vertical steering magnet Change off-axis angle w/ this.

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SLIDE 6

C u r r e n tV

  • l

t a g e P

  • w

e r C u r r e n t V

  • l

t a g e P

  • w

e r V H

  • p

e r a t e m a x r a t i n g [ m m ] V H W H L [ A ] [ V ] [ k W ] [ A ] [ V ] [ k W ] [ t

  • n

] 1 P H 1 6 C 2 2 M I C 4 1 1 1 6 1 . 2 . 1 , 0 1 3 1 , 4 0 1 , 2 0 1 , 4 2 , 1 1 2 2 1 , 5 5 1 3 2 P H 2 6 C 2 2 M I C 5 4 1 5 2 1 . 2 . 1 , 0 1 3 1 , 4 0 1 , 2 0 1 , 4 2 , 1 1 2 2 1 , 5 5 1 3 3 P Q 1 Q 4 6 M I C 2 . 9 1 1 . 3 , 0 2 1 , 2 8 0 1 , 2 8 0 3 , 5 2 , 3 2 8 3 6 5 1 2 , 9 3 2 5 8 5 3 9 3 9 4 P Q 2 Q 3 6 M I C 1 5 1 . 1 3 1 . 3 , 0 1 5 1 , 2 8 0 1 , 2 8 0 3 , 5 2 , 5 2 6 5 1 4 2 , 8 2 5 2 3 2 6 5 7 3 9 5 P D 1 8 D 3 6 1 1 5 1 3 4 1 . 8 9 8 2 . 3 , 0 1 5 4 1 , 5 8 0 3 , 5 2 , 5 1 5 3 3 8 3 2 , 3 7 2 1 4 5 3 4 4 2 9 6 P D 2 8 D 2 6 8 1 1 4 2 1 . 8 9 8 2 . 3 , 0 1 4 1 , 4 7 0 3 , 5 2 , 5 1 2 5 0 2 , 3 7 2 9 5 2 2 5 2 4 7 P V 1 6 D 3 2 M I C 5 2 1 9 1 . 2 . 1 , 0 1 5 3 1 , 1 6 0 1 , 4 2 , 5 1 3 3 2 5 1 , 2 5 6 5 8 1 5 8 P Q 3 Q 4 6 2 . 6 2 1 . 3 , 0 2 1 , 2 8 0 1 , 2 8 0 3 , 3 5 2 , 4 1 6 3 8 4 1 , 4 8 8 9 9 1 4 8 3 9 9 P V 2 6 D 3 2 9 8 8 3 1 . 2 . 1 , 0 1 5 3 1 , 1 6 0 1 , 5 2 , 1 5 3 0 1 , 7 5 7 5 5 1 0P Q 4 Q 3 6 1 5 1 . 1 5 1 . 3 , 0 1 5 1 , 2 8 0 1 , 2 8 0 3 , 5 2 , 5 1 2 2 5 5 2 , 8 7 5 1 1 7 3 3 7 3 9 1 1P H 3 6 D 2 2 4 8 7 3 1 . 2 . 1 , 0 1 5 3 1 , 2 6 0 1 , 4 2 , 1 2 0 1 , 5 5 6 1 2P Q 5 Q 3 6 1 5 1 . 6 1 . 3 , 0 1 5 1 , 2 8 0 1 , 2 8 0 3 , 5 2 , 5 1 2 2 5 5 2 , 6 5 1 8 2 8 7 3 9

3 , 9 2 . 6 2 , 8 4 4 2 9 2

1 3F Q 1 Q 2 6 M I C 7 . 8 6 2 1 . 3 , 0 1 1 , 2 0 1 , 2 0 3 , 2 , 1 5 2 3 4 1 , 7 2 4 1 3 1 2 2 6 3 5 1 4F H 1 4 D 2 2 6 9 4 9 1 . 2 . 1 , 0 1 2 1 , 4 4 0 1 , 4 2 , 9 1 8 0 1 , 4 5 4 5 4 1 5F H 2 6 D 2 2 8 1 1 2 4 1 . 2 . 1 , 0 1 6 4 1 , 2 6 0 1 , 4 2 , 9 1 8 0 1 , 4 5 4 5 6 1 6F Q 2 Q 3 6 M I C 1 5 . 9 7 1 . 3 , 0 1 5 1 , 2 8 0 1 , 2 8 0 2 , 5 2 , 5 2 6 5 1 5 2 , 4 2 5 2 4 8 5 3 9 1 7F Q 3 Q 3 6 M I C 1 5 . 9 1 . 3 , 0 1 5 1 , 2 8 0 1 , 2 8 0 2 , 5 2 , 5 2 6 5 1 5 2 , 2 5 1 8 5 4 1 7 3 9 1 8F V 1 6 D 2 5 8 6 1 2 5 1 . 8 9 6 2 . 2 , 5 0 1 5 3 6 0 1 , 2 0 2 , 9 2 , 5 9 2 2 5 2 , 3 7 8 5 2 2 1 4 1 9F Q 4 Q 3 3 9 8 . 9 3 1 . 1 , 5 0 1 5 1 , 2 0 1 , 2 0 3 , 2 , 1 1 7 2 3 4 1 , 8 6 1 9 2 2 1 7 2 0F V 2 6 D 2 8 8 6 8 7 1 . 8 9 2 . 4 , 0 1 5 3 6 0 1 , 2 0 4 , 4 2 , 5 1 2 3 0 2 , 3 6 3 1 1 3 2 6 8 2 3

2 4 5 2 . 8 1 , 8 8 9 . 9 1 7 7 6 , 3 7 3 . 4 4 , 7 3 3 . 5 4 6 9

W e i g h t N

  • .

O p t i c a l G a p [ m m ]

T

  • t

a l P P T

  • t

a l F F T

  • t

a l

L e n g t hM a g n e t G a p [ m m ] O u t w a r d f

  • r

m [ m m ] N a m e M a x i m a m r a t i

  • n

g N

  • r

m a l O p e r a t i

  • n

M a g n e t T y p e M a g n e t i c F i e l d [ T e s l a ]

Summary of the J-PARCνbeam line warm magnets

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SLIDE 7

Radiation dose at the magnets in Preparation Section (Tanabe-kun)

1 2 3 4 5 [X106] Absorbed Dose [Gly/4000hour]

PH1 PH2 PQ1 PQ2 PDA PDB PV1 PC1 PC2 PQ3 PV2 PC3 PQ4 PC4 PH3 average in 5cm thickness PQ5

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SLIDE 8
  • Typical magnets for

JPARC-nu beam line

  • Q460

– Insulator : Polyimide～ 10**8Gy – Bore diameter : 20cm – Length : 3m – Current : 2500A – Voltage : ～160V – Weight : 32ton

  • Q440MIC

– Insulator : MgO～ 10**11Gy

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SLIDE 9

Status of Mineral Insulation Cable

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SLIDE 10

Construction of actual magnet

Q440MIC

  • 20cm bore diam., 200cm pole length
  • 43T/pole, 1.3T@pole
  • Nominal current/voltage=2200 A/200V
  • Cooling water=290 L/min.@1MPa
  • Cooling water Temp. rise=30 ℃
  • Approximate Weight=33ton
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SLIDE 11

Q440MIC Magnet Assembly

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SLIDE 12

空調ダク ト 3 7 5 6 1 9 7 ? 2 5

Cross section of the normal conduction magnet tunnel

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SLIDE 13

The development of “Twist-lock” (an automatic sling apparatus)

  • Specification

– Slinging remotely – Maximum load : 40 ton – Four point connection (the fewer, the better) – The distance of each point : ～700mm – Height of the apparatus : within 1m – Electrical power

  • peration

– Interlock system – Balancing mechanism

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SLIDE 14

Interlock switch Twist lock Remote Controller Corner fitting 4 twist locks turned by the chain driven electric motor, simultaneously.

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SLIDE 15

Quick alignment guide

③ ① ④ ②

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SLIDE 16

⑤ ⑥

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SLIDE 17

Connector of the cooling water

  • Normal operation with 20 atm (2.0 MPa)
  • Normal operation temperature : 15～80℃
  • Pure water
  • Two inch. Diameter
  • Metal gasket
  • The amount of leakage in case disconnection : 100ml/once
  • The amount of time necessary for connection/disconnection by

hand : 30sec/one circuit

Lift up Close valves Drain water Quick disconnection

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SLIDE 18

Metal sealed lever coupler

  • Using metal seal instead of rubber
  • ne

– With 4 levers – Long lever – Fine tuning system for alignment

Small leak Small leak No leak Leakage test

  • f Nitrogen

with 3Mpa No leak No leak No leak Leakage test

  • f Water with

3MPa Inconel718 with silver coating Inconel X75 with silver coating SUS321 with silver coating material 2.6 Metal E-ring 2.4 Metal C-ring 0.25 2.4 Metal hollow O-ring T [mm] H [mm]

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SLIDE 19

“Drain trap” type “Elephant nose” type Mock up test will be done soon.

Water lock Ball valves used for steam

  • r viscous fluid piping
  • n the market

Gasket material : metal, graphite, asbestos KITZ Ball valve

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SLIDE 20

Summary

  • In the preparation section

the floor plan design fixed.

  • The technology of

radiation resistant magnets is established.

  • Each tools for quick

disconnection and quick installation will be establish soon.

  • Total test will be done at

the mock up.

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SLIDE 21

Schedule

Installation Piping Total test Production Design Final Focus section (8 Magnets) Installation Piping Total test Production Design Preparation Section (12Magnets)

2008 2007 2006 2005

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SLIDE 22

Electric power connector

  • 3000 A