System and method for safe filling after liquid ethane pipeline overhauling
A technology for ethane and pipelines, which is applied in the field of safe filling systems after maintenance of liquid ethane pipelines. It can solve problems such as pipeline performance safety hazards, liquid phase equipment operation impacts, and pipeline corrosion hazards, so as to avoid subsequent processing problems and ensure re-use. The effect of starting safety and ensuring safe operation
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[0041] All the features disclosed in this specification, or all disclosed methods or steps in the process, except for mutually exclusive features and / or steps, can be combined in any manner.
[0042] Any feature disclosed in this specification (including any additional claims, abstract), unless specifically stated, can be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is just one example of a series of equivalent or similar features.
[0043] Such as figure 1 As shown, a safety filling system for liquid ethane pipelines after maintenance includes a trunk line system, a trunk line valve chamber system, an ethane filling system, and a pipeline temperature and pressure detection system.
[0044] Wherein, the trunk line system includes an upstream trunk line 1, a trunk line cutoff valve 2, and a downstream trunk line 3 that are connected in sequence. The trunk line system is used to connect upstream and downstre...
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