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Reactor for synthesis of alkylate oil

An alkylate oil and reactor technology, applied in the directions of hydrocarbons, hydrocarbons, chemical instruments and methods, etc., can solve problems such as acid-hydrocarbon contact problems, and achieve lower alkene ratio, lower energy consumption, and strict control. The effect of reaction temperature

Active Publication Date: 2015-11-18
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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

Method used

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  • Reactor for synthesis of alkylate oil
  • Reactor for synthesis of alkylate oil

Examples

Experimental program
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Effect test

Embodiment 1

[0018] A reactor for synthesis of alkylated oil, including a reactor cylinder 1, the reactor cylinder is composed of a straight cylinder section 2, a wide diameter section 21, and a transition section 5 between the straight cylinder section and the wide diameter section, the wide diameter section The upper end of the section is connected with an upper head 6, the lower end of the straight section is connected with a lower head 15, the lower part of the straight section is provided with an inner tube lower tube plate 14, and the lower part of the straight tube section and above the inner tube lower tube plate is provided with an outer tube lower tube plate. The tube sheet 12 is provided with an upper tube sheet 4 at the junction of the straight section and the transition section; the upper and lower ends of the outer tube 9 are respectively connected with the upper tube sheet and the lower tube sheet of the outer tube, and the middle and upper part of the inner tube 10 is arrange...

Embodiment 2

[0025] Another reactor used for the synthesis of alkylated oil includes a reactor cylinder 31, an upper head 34 and a lower head 42, an inner tube lower tube sheet 41 is arranged at the lower part of the reactor cylinder, and a lower tube plate 41 is arranged in the reactor cylinder The lower part of the body and the lower tube plate of the inner tube are provided with the lower tube plate 39 of the outer tube, and the upper tube plate 33 is arranged at the junction of the reactor cylinder body and the upper head. The outer tube is connected to the lower tube plate, the middle and upper part of the inner tube 37 is arranged inside the outer tube, the upper end of the inner tube is a blind end, the lower end of the inner tube is connected to the lower tube plate of the inner tube, the inner tube is provided with a hole, and the top of the inner tube Located between the upper tube sheet and the lower tube sheet of the outer tube, a baffle baffle 45 is arranged outside the inner a...

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Abstract

The invention discloses a reactor for synthesis of alkylate oil. The reactor comprises a reactor cylinder 1, which consists of a straight tube section 2, a wide diameter section 21 and a transition section 5 between the straight tube section and the wide diameter section. An inner tube lower tube plate 14 and an outer tube lower tube plate 12 are disposed at the lower part of the straight tube section, and an upper tube plate 4 is arranged at the joint of the straight tube section and the transition section. The upper end and lower end of an outer tube 9 are respectively connected to an upper tube plate and the outer tube lower tube plate, the middle-upper part of an inner tube 10 is disposed in the outer tube, the upper end of the inner tube is a blind end, the lower end of the inner tube is connected to the inner tube lower tube plate, and the inner tube is provided with holes. Compared with existing industrial reactors, the reactor provided by the invention has good 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 isobutene circulation.

Description

technical field [0001] The invention relates to a reactor used for synthesis of alkylate oil, which belongs to the field of chemical industry. Background technique [0002] The industrial isooctane produced by the alkylation reaction of C4 olefins and isobutane is a blending component of high-octane gasoline with various trimethylpentane as the main component. Industrial isooctane has a high octane number and combustion The advantages of less harmful products and lower vapor pressure. Alkylation reaction can be divided into sulfuric acid alkylation process and hydrofluoric acid alkylation process according to the catalyst used. Hydrofluoric acid is a 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 used in my country. It is generally believed that the control step tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G50/00C07C2/62C07C9/16
Inventor 张敏卿张金利徐钦李文鹏
Owner TIANJIN UNIV
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