Double-ingredient chrome-free water-based metal anticorrosive paint and preparation method thereof

The invention relates to the field of environment-friendly paint, in particular to double-ingredient chrome-free water-based metal anticorrosive paint and a preparation method thereof. The anticorrosive paint comprises an ingredient A and an ingredient B, wherein the ingredient A is prepared from ingredients including zinc powder, aluminum power, passivants, dispersing agents and surfactants. The ingredient B is prepared from ingredients including silane coupling agents, boracic acid, passivant, natural zeolite and deionized water. The preparation method comprises the following steps that the ingredient A is stirred and mixed to prepare the ingredient A; firstly, the natural zeolite, the passivant and the deionized water are mixed, and are then mixed and stirred with the silane coupling agents and the boracic acid to prepare the ingredient B. Before use, the ingredient A and the ingredient B are mixed, stirred and uniformly prepared into finished product paint according to a weight proportion of 1:(1.3-1.4);