Based on the analysis of a nonmetal oil tank blasting accident occurred by induction lightning at Huangdao Oil Deport, this paper puts forward lightning protecting measures of nonmetal oil tanks at oil deports according to the characteristics of the tanks, and discusses the integrative lightning protecting technique and method of nonmetal oil storage equipment.

Reasonably defining reinforcing rings for metal tanks is important in avoiding less stability of tank shells so as to guarantee safe operation.

With actual examples utilizing project hydraulic pressure propping-up technique, this paper explains the principle of hydraulic pressure propping-up using metal cans, the composition of the system, points should be paid attention to when deciding the com-penent s parameters, and the advantage of the hydraulic pressure propping-up technique and also the direction of its improvement.

Analysis on Corrosion Destroy of Metal Tank and Preventive Method;