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If the storage tank has been filled for more than five years, it may be necessary to inspect a cryogenic storage tank for any development of cold spots due to settlement and voids.


The initial issue that a client may encounter is to determine if there is a problem,
and, if so, the extent of that problem.


The presence of cold spots can be identified by thermal imaging.
This will enable identification of any problems in the early stages, before they become
noticeable on the outside.




                                                     


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If filling nozzles are present, it is possible to carry out a dip test, which will give an indication of the levels of Perlite inside the tank. It is important to remember however that this is not an accurate form of measurement, but will give a good indication of the levels at various positions around the tank. The more positions tested, the better the overall indications produced.













Insulation problems in cold box
LNG tank steel roof dome showing condensation and microbial
algae and mold attack
Surveys Supply of Perlite Perlite Installation Perlite Removal Installation of Injection Nozzles Live Top-Ups Cold Box Emptying Cold Box Cleaning Transport and Disposal of Waste Perlite Cold Box Refills