A kind of alkylation reactor and the method of alkylation reaction

Abstract

The invention discloses an alkylation reactor and an alkylation reaction method. The alkylation reactor comprises a reactor drum body, a sealing head, an inner rotating bed, an outer rotating bed, a feeding pipe, a fed material distributing pipe, a discharging opening, a circular cooling gas inlet and a circular cooling gas outlet, wherein the reactor drum body and the sealing head form a closed shell; the inner rotating bed is arranged in the middle in the shell; the fed material distributing pipe is arranged in a central hollow drum structure of the inner rotating bed and is communicated with the feeding pipe; a feeding mixer is arranged at the connecting position of the feeding pipe and the sealing head; the discharging opening is formed in the lower part of the shell; the inner rotating bed is connected with a driving device by the feeding pipe; the outer rotating bed is arranged at the outer side of the inner rotating bed; the upper end of the inner rotating bed and the fed material distributing pipe are connected into an integrated structure by a sealing member; the outer rotating bed and the shell are fixedly connected; and the outer rotating bed is connected with the driving device at the lower part by a rotating shaft. The alkylation reactor and the alkylation reaction method disclosed by the invention have the advantages that concentrated sulfuric acid is adopted as a catalyst, iso-butane and olefin are adopted as materials to carry out alkylation reaction, the reaction can be carried out under low temperature, the acid consumption is low and the quality of a product is high.

Description

technical field [0001] The invention relates to an alkylation reactor and an alkylation reaction method, in particular to an alkylation reactor and an alkylation reaction method which adopt isobutane and C3-C5 olefins to catalyze the alkylation reaction. Background technique [0002] With the development of the economy, especially the rapid development of the transportation industry, the emission of vehicle exhaust is one of the main sources of air pollution. Improving the quality of gasoline is the most important way to reduce the pollution of vehicle exhaust. The alkylated oil obtained by the alkylation reaction of isobutane and C3-C5 olefins has the characteristics of no sulfur, high octane number, small difference between the octane number of the research method and the octane number of the motor method, and is a high-quality An important blending component of clean gasoline. [0003] Alkylation reaction is a traditional technology in the field of petroleum refining, ma...

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Problems solved by technology

This reactor is not suitable for the sulfuric acid alkylation reaction process, because the heat exchange method adopted is the heat extraction method of circulating materials, which is not suitable for the sulfuric acid alkylation reaction with large exothermic heat. The liquid storage tank at the lower part of the reactor and The use of reaction material circulation operation mode will increase the side reaction

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