Stirring paddle and stirrer

Through the stirring paddle designed by the venturi tube, the problem of insufficient bubble crushing capacity in the agitator is solved, efficient gas-liquid mixing and energy consumption reduction are achieved, and the mass transfer efficiency and reaction rate are improved.

CN223209320UActive Publication Date: 2025-08-12SHANDONG HUITONG INTELLIGENT MASCH CO LTD
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Patent Information

Application Number
CN202521426096.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-09
Publication Date
2025-08-12
Estimated Expiration
2035-07-09

AI Technical Summary

Technical Problem

The existing stirrer has insufficient radial flow blade bubble crushing capacity, resulting in limited gas-liquid contact area, low mass transfer efficiency, and high energy consumption.

Method used

The stirring paddle designed with a venturi tube is used to generate a low-pressure zone to suck air in the low-pressure zone, break into tiny bubbles and mix with liquid, and radial flow is generated during the stirring process, achieving uniform distribution of bubbles and increasing the contact area of gas and liquid.

Benefits of technology

It improves the gas-liquid mixing effect, reduces the energy consumption of stirring, and improves the mass transfer efficiency and reaction rate.

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Abstract

The utility model provides a stirring paddle and a stirrer, and relates to the technical field of stirrers, the stirring paddle provided by the embodiment of the utility model comprises a driving shaft and a venturi tube, the venturi tube is connected with the driving shaft, and the driving shaft is used for driving the venturi tube to rotate; the Venturi tube comprises an inlet and an outlet, and the area of the inlet is larger than that of the outlet; the outlet and the inlet are sequentially formed in the rotating direction of the driving shaft, so that after the stirring paddle rotates, liquid enters from the inlet and flows out from the outlet; an air inlet hole is formed in the side wall of the Venturi tube and is used for being connected with an air source.
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