Microchannel reactor

By introducing a vibration unit and a serpentine channel into the microchannel reactor, the solid particles are dispersed using sound waves, which solves the problem of microchannel blockage, improves the quality of nano-silver powder and the cooling efficiency of the dilution refrigerator, and extends the maintenance cycle of the equipment.

CN122273437APending Publication Date: 2026-06-26UNIV OF SCI & TECH OF CHINA +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
UNIV OF SCI & TECH OF CHINA
Filing Date
2026-05-25
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing microchannel reactors cannot tolerate the presence of solid reactants or products during maintenance cycles, leading to channel blockage and equipment failure, which affects the quality of nano-silver powder and the refrigeration efficiency of the dilution refrigerator.

Method used

Sound waves are generated by a vibration unit and diffused evenly through an acoustic medium to the microchannels on the reaction substrate, dispersing solid particles and preventing accumulation. Combined with a serpentine channel and a temperature control unit, temperature control and mixing uniformity are ensured.

Benefits of technology

It effectively prevents microchannel blockage, improves the quality of nano-silver powder and dilutes the refrigeration performance of the refrigerator, extends the equipment maintenance cycle, simplifies assembly and improves energy utilization efficiency.

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Abstract

This invention provides a microchannel reactor, relating to the field of microreactor technology. It includes multiple sequentially connected reaction monomers, each reaction monomer comprising a reaction substrate, at least one temperature control unit, and a vibration unit. A containment cavity filled with an acoustic medium is formed inside the reaction substrate, and a channel is formed on at least one side of the reaction substrate. At least one temperature control unit respectively seals the channel to form a microchannel for the flow and reaction of the mixture. The temperature control unit is configured to contact the mixture within the microchannel for heat exchange to regulate the reaction temperature. The vibration unit is configured to extend into the acoustic medium and release sound waves to reduce solid buildup in the mixture within the microchannel.
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