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

Warm magnets and the remote handling system in the J-PARC ν beam line E. Hirose, K. H. Tanaka, Beam Channel Group

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

Normal conducting magnets ョ ン 型 サ ス ペ ン シ 引き 出し 基準点 Preparation section x 2 ) ー ン ( 2 0 t x = 4 9 6 1 5 0 2 8 . 5 8 , y = 6 9 5 6 1 2 3 8 . 9 4 ク レ PQ2A PQ1 PH2 P H 1 PV1 PD2 PD1 1.92 deg. bend PC1 PC2 1.92 deg. bend PQ3 PV2 PC3 PQ4 PH3 PC4 PQ5 ニュ ート リ ノ ・ ビーム ラ イ ン (ctrl’ed loss by collimator) t n i o j ) n 適当な幅を置いて。 i o s n a p x e 0.75kW (0.1%) 直下流、 ート プレ ベース ( R Final Focusing section 1 0 7 7 0 R 0 1 0 6 4 0 0 R 1 0 4 4 3 3 R 0.25kW (0.03%) 1 0 0 4 0 0 R 9 9 6 0 0 アーク 中心 x = 4 9 6 5 0 . 9 8 8 m , y = 6 9 4 5 0 . 3 5 6 T P + 1 0 . 8 m m 3 . 2 0 FQ1 1 9 FH1 + サブト ンネルD E ロ ス ・ ポイ ント ( 最大で2 5 0 W ) P 1 T 7 9 . 9 2 ° F H 2 0 サブト ンネルD 3 0 F , 0 0 0 Q 0 2 , 3 2 0 0 ( 遮 蔽 用 、 天 井 も ) 汚 染 検 査 室 F Q 3 m 3 F V . 1 ビ ー ム 振り 下げ 3 4 . 0 9 . 7 F 9 Q 4 + F F V V 2 2 P タ T P + 1 0 . 8 m ーゲッ T 放射化物保管室 ト 2 ・ . ス 9 テーショ 1 8 ニュ ート リ ノ 標的 . 2 3 ン( 9 . 3 地下レ ベル） T P + 1 0 . 8 m 4 . 3 1

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

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.

Summary of the J-PARC ν beam line warm magnets M a x i m a m r a t i o n g N o r m a l O p e r a t i o n O p t i c a l G a p [ m m ] M a g n e t i c F i e l d [ T e s l a ] L e n g t hM a g n e t G a p [ m m ] O u t w a r d f o r m [ m m ] W e i g h t N o . N a m e M a g n e t T y p e C u r r e n tV o l t a g e P o w e r C u r r e n t V o l t a g e P o w e r V H o 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 o n ] 1 P H 1 6 C 2 2 0 M I C 4 1 1 1 6 1 . 0 0 0 2 . 0 0 0 1 , 0 0 0 1 0 0 3 0 0 1 , 4 0 0 1 , 2 0 0 1 , 4 0 0 2 , 0 0 0 1 0 1 2 0 2 1 , 0 0 0 5 0 5 0 1 3 2 P H 2 6 C 2 2 0 M I C 5 4 1 5 2 1 . 0 0 0 2 . 0 0 0 1 , 0 0 0 1 0 0 3 0 0 1 , 4 0 0 1 , 2 0 0 1 , 4 0 0 2 , 0 0 0 1 0 1 2 0 2 1 , 0 0 0 5 0 5 0 1 3 3 P Q 1 Q 4 6 0 M I C 2 0 0 0 . 9 1 0 1 . 0 0 0 3 , 0 0 0 2 0 0 1 , 2 8 0 1 , 2 8 0 3 , 5 0 0 2 , 3 0 0 2 8 3 6 5 1 2 , 0 9 3 2 5 8 5 3 9 3 9 4 P Q 2 Q 3 6 0 M I C 1 5 0 1 . 1 3 0 1 . 0 0 0 3 , 0 0 0 1 5 0 1 , 2 8 0 1 , 2 8 0 3 , 5 0 0 2 , 5 0 0 2 0 6 5 1 4 2 , 8 2 5 2 3 2 6 5 7 3 9 5 P D 1 8 D 3 6 0 1 1 5 1 3 4 1 . 8 9 8 2 . 0 0 0 3 , 0 0 0 1 5 0 4 0 0 1 , 5 0 0 8 0 0 3 , 5 0 0 2 , 5 0 0 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 0 8 1 1 4 2 1 . 8 9 8 2 . 0 0 0 3 , 0 0 0 1 0 0 4 0 0 1 , 4 0 0 7 0 0 3 , 5 0 0 2 , 5 0 0 1 0 0 2 5 0 2 , 3 7 2 9 5 2 2 5 2 4 7 P V 1 6 D 3 2 0 M I C 5 2 1 0 9 1 . 0 0 0 2 . 0 0 0 1 , 0 0 0 1 5 0 3 0 0 1 , 1 0 0 6 0 0 1 , 4 0 0 2 , 5 0 0 1 3 0 3 2 5 1 , 2 5 0 6 5 8 1 5 8 P Q 3 Q 4 6 0 2 0 0 0 . 6 2 0 1 . 0 0 0 3 , 0 0 0 2 0 0 1 , 2 8 0 1 , 2 8 0 3 , 3 5 0 2 , 4 0 0 1 6 0 3 8 4 1 , 4 8 8 9 9 1 4 8 3 9 9 P V 2 6 D 3 2 0 9 8 8 3 1 . 0 0 0 2 . 0 0 0 1 , 0 0 0 1 5 0 3 0 0 1 , 1 0 0 6 0 0 1 , 5 0 0 2 , 0 0 0 1 5 0 3 0 0 1 , 0 0 0 7 5 7 5 5 1 0P Q 4 Q 3 6 0 1 5 0 1 . 1 5 0 1 . 0 0 0 3 , 0 0 0 1 5 0 1 , 2 8 0 1 , 2 8 0 3 , 5 0 0 2 , 5 0 0 1 0 2 2 5 5 2 , 8 7 5 1 1 7 3 3 7 3 9 1 1P H 3 6 D 2 2 0 4 8 7 3 1 . 0 0 0 2 . 0 0 0 1 , 0 0 0 1 5 0 3 0 0 1 , 2 0 0 6 0 0 1 , 4 0 0 2 , 0 0 0 1 0 0 2 0 0 1 , 0 0 0 5 0 5 0 6 1 2P Q 5 Q 3 6 0 1 5 0 1 . 0 6 0 1 . 0 0 0 3 , 0 0 0 1 5 0 1 , 2 8 0 1 , 2 8 0 3 , 5 0 0 2 , 5 0 0 1 0 2 2 5 5 2 , 6 5 0 1 0 8 2 8 7 3 9 P P T o t a l 3 , 9 2 0 . 6 2 , 8 4 4 2 9 2 1 3F Q 1 Q 2 6 0 M I C 7 0 0 . 8 6 2 1 . 0 0 0 3 , 0 0 0 1 0 0 1 , 2 0 0 1 , 2 0 0 3 , 0 0 0 2 , 0 0 0 1 5 2 3 0 4 1 , 7 2 4 1 3 1 2 2 6 3 5 1 4F H 1 4 D 2 2 0 6 9 4 9 1 . 0 0 0 2 . 0 0 0 1 , 0 0 0 1 0 0 2 0 0 1 , 0 0 0 4 4 0 1 , 4 0 0 2 , 0 0 0 9 0 1 8 0 1 , 0 0 0 4 5 4 5 4 1 5F H 2 6 D 2 2 0 8 1 1 2 4 1 . 0 0 0 2 . 0 0 0 1 , 0 0 0 1 6 0 4 0 0 1 , 2 0 0 6 0 0 1 , 4 0 0 2 , 0 0 0 9 0 1 8 0 1 , 0 0 0 4 5 4 5 6 1 6F Q 2 Q 3 6 0 M I C 1 5 0 0 . 9 7 0 1 . 0 0 0 3 , 0 0 0 1 5 0 1 , 2 8 0 1 , 2 8 0 2 , 5 0 0 2 , 5 0 0 2 0 6 5 1 5 2 , 4 2 5 2 0 0 4 8 5 3 9 1 7F Q 3 Q 3 6 0 M I C 1 5 0 0 . 9 0 0 1 . 0 0 0 3 , 0 0 0 1 5 0 1 , 2 8 0 1 , 2 8 0 2 , 5 0 0 2 , 5 0 0 2 0 6 5 1 5 2 , 2 5 0 1 8 5 4 1 7 3 9 1 8F V 1 6 D 2 5 0 8 6 1 2 5 1 . 8 9 6 2 . 0 0 0 2 , 5 0 0 1 5 0 3 0 0 6 0 0 1 , 2 0 0 2 , 9 0 0 2 , 5 0 0 9 0 2 2 5 2 , 3 7 0 8 5 2 0 2 1 4 1 9F Q 4 Q 3 3 0 9 8 0 . 9 3 0 1 . 0 0 0 1 , 5 0 0 1 5 0 1 , 2 0 0 1 , 2 0 0 3 , 0 0 0 2 , 0 0 0 1 1 7 2 3 4 1 , 8 6 0 1 0 9 2 0 2 1 7 2 0F V 2 6 D 2 8 0 8 6 8 7 1 . 8 9 0 2 . 0 0 0 4 , 0 0 0 1 5 0 3 0 0 6 0 0 1 , 2 0 0 4 , 4 0 0 2 , 5 0 0 1 2 0 3 0 0 2 , 3 6 3 1 1 3 2 6 8 2 3 F F T o t a l 2 4 5 2 . 8 1 , 8 8 9 . 9 1 7 7 T o t a l 6 , 3 7 3 . 4 4 , 7 3 3 . 5 4 6 9

Radiation dose at the magnets in Preparation Section (Tanabe-kun) 5 [ X 10 6 ] average in 5cm thickness 4 [Gly/4000hour] Absorbed Dose 3 2 1 0 PDA PDB PH1 PH2 PQ1 PQ2 PV1 PQ3 PQ4 PH3 PQ5 PC1 PC2 PC3 PC4 PV2

• 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

Status of Mineral Insulation Cable

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

Q440MIC Magnet Assembly

Cross section of the normal 7 0 0 0 conduction magnet tunnel 5 0 0 0 7 0 0 0 0 6 空調ダク ト 1 0 0 0 9 0 0 0 0 3 ? 2 5 0

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 operation – Interlock system – Balancing mechanism

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

Quick alignment guide ③ ① ④ ②

⑤ ⑥

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 Drain water Quick disconnection Close valves

Metal sealed lever coupler • Using metal seal instead of rubber one – With 4 levers – Long lever – Fine tuning system for alignment H T material Leakage test Leakage test of Nitrogen of Water with [mm] [mm] with 3Mpa 3MPa Metal hollow 2.4 0.25 SUS321 with No leak No leak O-ring silver coating Metal C-ring 2.4 Inconel X75 with Small leak No leak silver coating Metal E-ring 2.6 Inconel718 with Small leak No leak silver coating