A reactor for the synthesis of alkylated oil

Abstract

The invention discloses a reactor for synthesis of alkylate oil. The reactor is composed of a straight tube section, a wide radius section and a transition section between the straight tube section and the wide radius section. An inner pipe lower pipe plate is disposed at the lower part of the straight tube section, an outer pipe lower pipe plate is arranged above the inner pipe lower pipe plate, and an upper pipe plate is arranged at the joint of the straight tube section and the transition section. The upper end and lower end of a downcomer are respectively connected to the upper pipe plate and the outer pipe lower pipe plate, the outer pipe upper end and lower end are respectively connected to the upper pipe plate and the outer pipe lower pipe plate, the inner pipe is disposed inside the outer pipe, the upper end of the inner pipe is a blind end, the lower end of the inner pipe is connected to the inner pipe lower pipe plate, and the inner pipe is provided with holes. Compared with existing industrial reactors, the reactor provided by the invention has better acid hydrocarbon contact effect, accelerates the reaction rate, reduces the reactor size, at the same time lowers alkyl-olefin ratio, and can strictly control the reaction temperature and reduce reaction by-product, thereby increasing the yield and quality of alkylate synthetic oil, and reducing the energy consumption needed by isobutane circulation.

Description

Technical field [0001] The invention relates to a chemical equipment, in particular to a reactor for the synthesis of alkylated oil. Background technique [0002] The industrial isooctane produced by the alkylation reaction of C4 olefins and isobutane is a high-octane gasoline blending component with various trimethylpentane as the main component. Industrial isooctane has high octane number and is combustible. The advantages of less harmful products and lower vapor pressure. The alkylation reaction can be divided into sulfuric acid alkylation process and hydrofluoric acid alkylation process according to the different catalysts used. Hydrofluoric acid is a highly volatile and highly toxic chemical. Once leaked, it will cause serious harm to the environment and production. The main disadvantage of the sulfuric acid alkylation process is the large discharge of waste acid. The sulfuric acid alkylation process is mostly adopted in our country. It is generally believed that the contr...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a reactor for the synthesis of alkylated oil that can solve the problem of contact with acid hydrocarbons and the problem of exothermic reaction in the sulfuric acid alkylation process

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