Double helix mixer for mixing powder

By using the differential rotation of staggered double-helix stirring blades and arc-shaped stirring plates, combined with a synchronous gear system, the problem of low mixing uniformity in existing technologies is solved, achieving efficient mixing and cost reduction.

CN224404927UActive Publication Date: 2026-06-26ANAPAD (WUXI) POWDER ENG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANAPAD (WUXI) POWDER ENG TECH CO LTD
Filing Date
2025-07-08
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing twin-screw mixers reduce the fluidity of materials after they are compressed into blocks, resulting in low mixing uniformity and a lack of effective cross motion and shear flow field, making it difficult to achieve efficient mixing.

Method used

The system employs staggered double-helix stirring blades and a single drive source for differential rotation, combined with the tumbling of an arc-shaped stirring plate, to create a shear flow field that disrupts the laminar flow state. Synchronous driving of the double-helix stirring unit is achieved through a synchronous gear system.

Benefits of technology

It improves the efficiency of powder mixing, eliminates sedimentation and stratification, reduces equipment costs, prevents blockage of unloading pipes, and achieves efficient and uniform mixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to powder mixing technical field provides a kind of double helix mixer for powder mixing, including bunker, double helix stirring unit is equipped in the bunker, the double helix stirring unit includes first stirring paddle and second stirring paddle, the helical stirring blade of the outer wall of two is staggered, and with common stirring area in bunker, to destroy laminar flow state.The utility model overcomes the deficiency of prior art, and the design is reasonable, compact structure, and the differential rotation of double helix paddle forms shear flow field, destroys powder laminar flow state, and is overturned with arc-shaped stirring board, can eliminate sedimentation stratification, and improve mixing efficiency.Single driving source can drive double helix paddle differential operation and stirring frame synchronous rotation, effectively reduce equipment cost.
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