The Problems to be focused on in the Cleaning of Floating Roof Oil Tank

There are many spaces in the floatation pontoon of floating roof oil tank where it is difficult to clean because the oil and light gas often accumulate in it, which is easy to explode under the conditions of open fire. In this paper, the dangerous spaces to be likely neglected in the cleaning or welding job of floating roof oil tank are given, some safety measures to be taken in these jobs are presented.