近年来,随着社会主义市场经济不断发展和完善,进一步促进化工行业的迅猛发展,尤其是石油化工方面逐渐走在了工业发展的最前沿。在石油化工工业的发展过程中,石油炼化系统的完善是促进其进一步发展的基础,同时也是石油化工行业立足于市场的条件。本文主要就安全仪表系统在石油炼化系统中的运用进行分析,以期能够进一步提升石油炼化的安全性和可靠性,进而提高企业的经济以及社会效益。 In recent years, with the continuous development and improvement of the socialist market economy and further promotion of the rapid development of the chemical industry, the petrochemical industry has gradually taken the forefront in industrial development. In the process of development of the petrochemical industry, the improvement of the petroleum refining system is the basis for its further development, and it is also the condition for the petrochemical industry to be based on the market. This article mainly analyzes the application of safety instrumented system in petroleum refining system, with a view to further improve the safety and reliability of petroleum refining and further improve the economic and social benefits of the enterprise.