| 摘要 |
Said installation comprises a liquid circulation pipe ( 13 ), having an upstream portion ( 21 ), a downstream portion ( 23 ) and a filtering member ( 37 ), inserted between the upstream portion ( 21 ) and the downstream portion ( 23 ), at least one channel ( 51 ) being provided in said filtering member. The channel ( 51 ) is at least partially defined by a porous wall ( 57 ). Said pipe ( 13 ) comprises a double vacuum thermal insulation envelope ( 14 ), containing an insulating material, in a part of which the filtering member ( 37 ) is secured. One of said portions ( 21 ) opens out facing an end of said channel ( 51 ). The other of said portions ( 23 ) opens out facing at least one area ( 59 ) of the porous wall ( 57 ). Said invention applies to the production of high flow rate sterile cryogenic fluids.
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