Reactor and method for carrying out chemical reactions

By designing a multiphase AC electric heating reactor and inert gas flushing, the high emissions of combustion reactors and the safety hazards of traditional electric heating reactors are solved, achieving a highly efficient and safe chemical reaction process.

CN115461141BActive Publication Date: 2026-05-26LINDE AG +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LINDE AG
Filing Date
2021-04-22
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing combustion reactors produce high levels of carbon dioxide emissions when producing syngas and hydrogen, which cannot meet the requirements for emission reduction. At the same time, traditional electrically heated reactors pose safety hazards such as the accumulation of combustible gas and the risk of explosion.

Method used

The reactor employs multiphase AC electric heating. By installing rod-shaped power input elements in the reactor vessel and utilizing inert gas flushing and permeable wall channels, the safe introduction of current and dilution of combustible gases are achieved, avoiding gas seals and reducing safety hazards.

Benefits of technology

It improves heating efficiency, reduces carbon dioxide emissions, enhances reactor safety, reduces the risk of combustible gas accumulation and explosion, simplifies the sealing structure, and reduces material costs.

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    Figure CN115461141B_ABST
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Abstract

The present invention relates to a reactor (100, 200) for carrying out a chemical reaction, having a reactor vessel (10) and one or more reaction tubes (20), wherein one or more electrical input elements (41) are directed into the reactor vessel (10) for electrically heating the one or more reaction tubes (20), wherein each of the one or more electrical input elements (41) has a rod-shaped segment (43), and the rod-shaped segment (43) passes through the wall (14) of the reactor vessel (10) at a respective wall channel (15). A connecting chamber (60) is provided, into which the rod-shaped segment (43) protrudes, the connecting chamber (60) being arranged outside the reactor vessel (10) and adjacent to the wall (14) of the reactor vessel (10) through which the rod-shaped segment (43) passes in its wall channel (15). A gas feeding device (80-82) is provided, which is configured to load an inert gas into a connecting chamber (60), wherein a wall channel (15) is designed to be permeable, such that at least a portion of the inert gas fed into the connecting chamber (60) flows into the reactor vessel (10), the wall channel (15) having a rod-shaped section (43) therein that is longitudinally movable. The corresponding method is also the subject of this invention.
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