The achievement of this project belongs to the field of energy and chemical industry, and is an efficient energy conversion technology that is compatible with petroleum deep processing technology. Deoiled asphalt is used as a raw material to prepare synthesis gas through gasification, and further hydrogen production can be used as a raw material for refining and hydrogenation. It can make full use of limited petroleum resources to the greatest extent and has broad application prospects and great significance.

The gasification burner is the core of the de-oiled asphalt gasification device. It must not only have a long operating life, but also have good atomization performance and match with the furnace body to form a suitable flow field to ensure the optimal gasification device. Run in the state. This project conducted systematic research on the deoiled asphalt gasification burner and formed a deoiled asphalt gasification burner technology with independent intellectual property rights. The main innovations are as follows: (1) Based on the atomization characteristics of the burner and the matching characteristics of the burner and the gasifier body, the structure of the deoiled asphalt gasification burner is innovatively proposed. This structure can effectively protect the burner even under extremely harsh operating conditions (deoiled asphalt withdrawal rate of more than 50%, asphalt channels coking, deformation of each channel, etc.), minimizing the heat flow density in the upper part of the gasifier, weakening the radiation of the flame to the gasifier dome and the end of the burner, reducing the temperature of the metal shell of the gasifier dome, and ensuring the safe operation of the gasifier. (2) Based on the research on burner structure and mechanical design, a structural design method for deoiled asphalt burner is innovatively proposed. Through the optimized design of the burner structure, the gasification burner has sufficient high temperature strength and a reasonable cooling method at the end of the burner, and the local reflux peroxide ablation at the end of the flow channel is effectively reduced, effectively solving the problem of short operating life of the gasification burner and meeting the requirements of long-term, full-load and stable operation of the gasifier. (3) Through the analysis of the impact of process conditions on the conversion process and industrial operation tests, optimized industrial operation parameters of the deoiled asphalt gasification unit are proposed. Reasonable operating parameters of the deoiled asphalt gasification device form an optimal flow field and temperature field in the gasification burner and the gasifier, so that the gasifier temperature distribution is uniform, methane generation and carbon black generation are small, and the effective gas composition (CO+H2) is maintained above 95.5%.

The results of this project have been applied to the de-oiled asphalt gasification unit introduced by Fujian United Petrochemical Co., Ltd., and the process indicators have comprehensively exceeded the introduced technology. The operation results show that the operating life of the deoiled asphalt gasification burner is extended from 50 days to 150 days for the originally introduced Shell gasification burner. The successful application of this technology has ensured the long-term operation of the deoiled asphalt gasification unit and downstream units, and Fujian United Petrochemical Co., Ltd. has added new output value in the past three years.680 million yuan, new profits330 million yuan, saving parking and manufacturing expenses~30 million yuan, which has produced good economic and social benefits.

The results of this project have filled domestic gaps. 4 invention patents and 3 utility model patents have been authorized, 15 papers have been published, and the main technical indicators are internationally advanced.

The successful industrial test of inferior deoiled asphalt gasification burners and long-term operation indicates that China has fully mastered the key technologies for gasification of inferior deoiled asphalt under high pullout rates (50%~60%), and has an important role in promoting the technical progress of key equipment of my country's deoiled asphalt gasification units and the development of my country's solvent deoiled residue processing technology. It has laid an important technical foundation for the formation of deoiled asphalt gasification and refining-chemical-IGCC integrated process for "zero-residual oil" refineries with independent intellectual property rights. This burner technology can also be used for the gasification of pyrolysis coal tar residues.