Annular regenerative thermal oxidizer

CN117553307BActive Publication Date: 2026-05-26JIANGSU LONGHUAN ENVIRONMENTAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGSU LONGHUAN ENVIRONMENTAL TECH CO LTD
Filing Date
2023-12-12
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing three-chamber RTO devices are complex in structure, cumbersome in operation, and have high operating costs, making it difficult to efficiently treat large volumes of low-concentration organic waste gas.

Method used

Design an annular regenerative waste gas incinerator, including a switching unit, an annular furnace chamber inside the furnace body, and multiple heat storage zones and incineration zones. The switching unit switches between forward and reverse operation states, and the first and second heat storage modules alternately store or release heat, combined with a catalytic incineration module to oxidize organic gases at a lower temperature.

Benefits of technology

It achieves efficient utilization of heat, reduces heat loss, simplifies the operation process, and improves the processing efficiency of organic gases, enabling complete oxidation of organic gases at lower temperatures.

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Abstract

This invention relates to the field of waste gas incineration technology, and in particular to an annular regenerative waste gas incinerator, comprising a switching unit, a furnace body, and an annular furnace cavity disposed within the furnace body. The furnace cavity contains, sequentially along its circumference, an inlet / outlet zone, a first regenerative heat storage zone, a combustion zone, and a second regenerative heat storage zone. The first regenerative heat storage zone contains a first regenerative heat storage module capable of storing or releasing heat. The combustion zone contains a catalytic combustion module for reducing the temperature during the oxidation of organic gases. The second regenerative heat storage zone contains a second regenerative heat storage module capable of storing or releasing heat. This invention utilizes the switching unit to rapidly switch the gas operating state to a forward or reverse operating state, allowing the first and second regenerative heat storage modules to alternately store or release heat. This enables timely utilization of the collected heat, minimizes heat loss, simplifies the control process, and allows the catalytic combustion module to oxidize organic gases at a lower temperature, improving treatment efficiency.
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