Abstract: Additive manufacturing (3D printing) technology is a revolutionary technology integrating digital manufacturing, intelligent manufacturing and green manufacturing. It is very much in line with the strategic policy of the petrochemical field, and has shown great potential in improving production efficiency, improving manufacturing accuracy, reducing manufacturing costs and improving equipment quality. It is very consistent with the strategic policy of the petrochemical field, and has shown great potential in improving production efficiency, improving manufacturing accuracy, reducing manufacturing costs and improving equipment quality. This paper expounds the industrial policies related to additive manufacturing at home and abroad and points out that additive manufacturing technology has become an important strategic means to enhance the international competitiveness of manufacturing industry in each country. The characteristics of additive manufacturing technology were analyzed, and the application scenarios of additive manufacturing technology were discussed especially in the field of petrochemical industry. The potential advantages of additive manufacturing technology in design and development, equipment repair, equipment quality improvement and equipment reduction design were expounded, as well as its development prospects in the field of petrochemical industry.

Key words: additive manufacturing, petrochemical industry, digitization, intelligent, green and low carbon, fault repair, quality improvement