Post on 15-Jan-2016
INFRASTRUCTURE of CRYOSTAT
W.Hofmann, K.T.KnoepfleMPIK (Heidelberg, Germany)
L.B.Bezrukov, V.N.Kornoukhov(INR RAS, Moscow, Russia)
V.N.Cryshtal, E.A.Bogdanov(CRYOGENMASH, Balaschikha, Russia)
Plan of Hall ACRYOSTAT
WATER TANK
PIPELINE
ASSEMBLY JOINT
PIPLINES of LN2 and N2-gas,
PIPELINE of EVACUATION of SUPERINSULATION HOUSING
FORE-VACUUME PUMP
VACUUM PUMP
CRYOGETTER PUMP
RESERVOIR V = 10 m3
EVAPORATOR of PRESSURIZATION/EVACUATION SYSTEM
Systems of the infrastructure
1. Thermostating system (two versions). 2. Cryostat LN2 filling system. 3. LN2 drainage/LN2 evacuation system. 4. Vacuum Superinsulation housing
system. 5. System “hatch plug/cork open”. 6. Safety system.
Infrastructure of cryostat
First version of the infrastructure:cooling machine for thermostating
25õ1,4 100õ2
ì àø èí àãàçî âàÿ
Äðåí àæ
N2 2H O
Í Ð
70õ2Ôî ðâàêóóì í û é
æèäêî ñòèÝâàêóàöèÿ
í àñî ñÒóðáî ì î ëåêóëÿðí û é
í àñî ñ 70õ2
Ñõåì à ï ðèí öèï èàëüí àÿ
ÊÐÈÎ ÑÒÀÒ
100õ2 325õ10
Ñèñòåì à ï î ääåðæàí èÿ
àòì
Õî ëî äèëüí àÿ
15õ1
âàêóóì à
System “open hatch plug/cork”
Vessel for thermostating system
Cryostat from CRYOGENMASH
5g if mass of cryostat is 22650 kg.10. Allowable acceleration in vertical direction
3g if mass of cryostat is 22650 kg.10. Allowable acceleration in horzontal direction
980130827301189227334106320
73803668059330
0,11,33*10
0,20,3226502804,00,341
ribs botton cap shell of the vessel upper cap lower flange of the neck shell of the neck upper flange of the neck cap of the neck including:9. Mass of inner vessel kg8. Mass of Cu shielding, kg7. Mass of cryostat with Cu shielding, kg
L*micro torr/s m3*Pa/sec6. Leakage into suprinsulation housing,5. Overpressure (outer shell), MPa4. Pressure, MPa3. Mass of empty cryostat, kg W/hour kg/hour2. Loss of LN2 (evaporation), %/day1. Volume, m3
TECHNICAL CHARACTERISTICS of CRYOSTAT
200
0
405
0
900
0
820
DETECTOR
CRYOSTAT DISPOSAL
BOTTOM of СRYOSTAT
Cryostat made of s.steel + Cu shielding
3290
3440
3500
4000
1760
1325
3500
4000
4500
1150
4500
1325
1150
Mounting of Cu-shielding at S.S. cryostat
Элемент медного экрана
Медный экран
Шпангоут
Стенка сосуда
Крепление40 шт
Крепление
18°
20 шт. в первом слое
первого слоя
Крепление медного экрана первого слоя к шпангоуту
Болт М10
Ввертыш
или слой экрана
М10
М20
Крепление медного экрана
Шпангоут12
Шайба
O34
Infrastructure of cryostat_Rus