Selection and design principles for check valves in high-pressure nitrogen pipelines used for slurry pipeline purging
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What are the selection and design principles for the check valves in the high-pressure nitrogen pipeline used for purging the coal slurry pipeline? How to avoid and prevent blockages in high-pressure nitrogen pipelines?
The selection of check valves for high-pressure nitrogen follows the same principles as those used for oxygen pipelines. High-pressure nitrogen pipelines should be purged and chemically cleaned to prevent contamination of the oxygen pipelines; moreover, after chemical cleaning, the pipelines will not become clogged.