Measurement instrumentation 18 for measuring a level 16 of a cryogenic fluid 14 in a process vessel 12 comprises: a reference chamber 26 connected to the process vessel by means of a first connection pipe 15a extending between an outlet port 22a of the process vessel and an inlet port 22b of the reference chamber 26 and a second connection pipe 15b extending between an inlet port 24a of the process vessel and an outlet port 24b of the reference chamber 26, wherein the outlet port 22a of the process vessel 12 is located at a vertically higher level than the inlet port 24a of the process vessel 12; a measurement device 26a for detecting a level of cryogenic fluid 14 in the reference chamber 26, and wherein the first connection pipe 15a extends in a downwardly inclined manner from the outlet port 22a of the process vessel to the inlet port of the reference chamber 26, and/or the second connection pipe 15b extends in a downwardly inclined manner from the outlet port 24b of the reference chamber 26 to the first inlet port 24a of the process vessel 12. The measurement device may radiate electromagnetic waves onto the surface of the cryogenic fluid. The inclined connection pipes prevent blocking or clogging.
Measurement instrumentation for a process vessel and process vessel system
2019-08-21
Patent
Electronic Resource
English
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