The inspection of Horizontal WFI tank can be divided into three types: external inspection, internal inspection and full inspection. In terms of inspection frequency, external inspections are very frequent, rarely once a year, internal inspections are inspected every three years, and full inspections are time-consuming, usually around six years, and the longer the use time. , the inspection should also be more frequent.

How to do the inspection work well in the daily use of Horizontal WFI tank?

1. The external inspection is to check whether the anti-corrosion layer and other parts of the equipment are in good condition, whether the surface is damaged, and whether many basic parts are complete.

2. The internal inspection is to check the condition of the inner surface and equipment to make sure that they are not corroded or cracked. If the inner surface and equipment are damaged, the maintenance personnel should be contacted for maintenance in time.

3. The comprehensive inspection is very meticulous. It is to inspect and test the entire Horizontal WFI tank to ensure that there is no problem.