1. CEPC-650MHz Cavity Cryomodule
HAN Ruixiong

2. CEPC 2cell 650MHz -Cavity cryomoudule
Vacuum Vessel 8000mm long
(pipe: 1300 ID, 10mm-Wall)
Cryogenic Transfer Line Ports
Heat Exchanger
Tuner motors access ports
Power Couplers
HOM Absorbers
Beam Pipe with warm gate valve

3. CEPC 2cell 650MHz -Cavity cryomoudule
Cooling Schema

4. CEPC 2-cell 650MHz -Cavity cryomoudule
X- Section View
Overall length (Flange to Flange)-8000mm
Number of 2-cell 650MHz cavities-6
Number of HOM absorbers-2
Distance between cavities-1220mm
Beam pipe ID-156mm
Number of Support posts-6
Heat Exchanger
80K Insulation：30layers
80K thermal shield
5K Insulation：10layers
5K thermal shield
Support post：z=1220mm, y=140mm

5. CEPC 2cell 650MHz -Cavity cryomoudule
Y- Section View
Vacuum vessel
2-Phase He pipe
80K shield with insulation
5K shield with insulation
Warmup-Cooldown line
5K line
80K line
Connection to crygenic line
And heat exchanger
Support post
Strong Back
Cold mass supports

6. CEPC 2cell 650MHz -Cavity cryomoudule
CAVIT-STRING ASSEMBLY
2-phase He pipe Assembly
2-cell 650MHz cavies
Tuner for spoke resonator
Support post
Strong Back
Power Couplers

7. Thank you for your attention