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Cryogenic storage tank vacuuming process
If the vacuum degree rises slightly during vacuuming, it should be considered whether the cleanliness of the interlayer is qualified and whether the moisture content of the pearl sand exceeds the s...
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If the vacuum degree rises slightly during vacuuming, it should be considered whether the cleanliness of the interlayer is qualified and whether the moisture content of the pearl sand exceeds the standard. At this time, it should be considered to use nitrogen to heat the outer cylinder of the vacuum balance of the interlayer of the Cryogenic storage tank.
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