Optimization design of anti-corrosion coating for oil storage tank
In recent decades,China's oil industry has developed rapidly,and the demand for oil in various fields of production and life has also shown an increasing trend year by year.In a series of processes of oil collection,trans-portation,storage and industrial processing,oil tanks have always been an indispensable medium.However,the problem of anti-corrosion of oil storage tanks always exists,which should not only ensure the quality of oil in the transportation process,but also improve the anti-corrosion performance and service life of oil storage tanks,which has become the focus of all relevant researchers.Based on this,in this paper,the anti-corrosion coating was opti-mized on the basis of the factors causing the corrosion of oil storage tanks,and graphene was added to the two-com-ponent waterborne epoxy resin with graphene as the filler to prepare the graphene-waterborne epoxy composite coat-ing,and the water insulation and anti-corrosion properties of the composite coating in the simulated seawater solu-tion were studied.After adding 0.5%graphene to the epoxy resin,the low-frequency impedance modulus is in-creased by two orders of magnitude compared with the pure epoxy coating without graphene,and the self-corrosion current density is also reduced by an order of magnitude,and the corrosion resistance of the coating is enhanced.