A device for controlling N2O emissions during nitration reactions

CN224404804UActive Publication Date: 2026-06-26HUANGHUAI LABORATORY

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: HUANGHUAI LABORATORY
Filing Date: 2025-07-28
Publication Date: 2026-06-26

AI Technical Summary

Technical Problem

In existing technologies, the emission of N2O during nitration reactions poses health hazards, and its concentration has not been effectively controlled, affecting the safety of people on-site and in the surrounding area.

Method used

A device was designed that includes components such as a shell, a palladium-platinum composite plate, an electric heating tube, an N2O detection module, a diversion valve, and a check valve. The device ensures that the N2O concentration meets emission standards through solvent heating, catalysis, and detection.

Benefits of technology

It effectively reduces the N2O concentration in the waste gas during nitration, ensures personnel safety, achieves the goal of pollution reduction and carbon reduction, and improves the practicality and safety of the equipment.

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Abstract

The utility model discloses a device of control N2O emission in nitrification reaction, including the shell, the front end of shell is open -ended structure, and the upper end of shell is provided with the floor, and the inside lower extreme of shell is installed with three bulkheads, and three bulkheads divide the inside lower extreme of shell into W type passageway, and the above left side of floor is installed with UPS power module, and the above right side of floor is installed with control module, and the left side of shell is provided with the air inlet pipe, and the left side upper end rear side of shell is provided with the through slot, and the right side of shell is provided with the exhaust pipe corresponding with air inlet pipe, and the inside right side upper end of shell is installed with the flow divider, and the flow divider has two exhaust holes, and the front end exhaust hole of flow divider is linked with exhaust pipe, and the rear end exhaust hole of flow divider is fixedly connected with the return pipe, can effectively reduce the concentration of waste gas containing N2O in nitrification reaction, reduces carbon emission, realizes the goal of sewage treatment and reduces carbon.

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