Machine series: SLW series
Mixer type: rotary drum type
Mixing method: By drum rotating or By drum rotating and inside ribbon rotating
Application: for powder mixing
Handling volume: about 20-2000L per batch
What is rotary drum mixer for powder? It points to our SLW series powder mixer, which we will have a detailed introduction here. Its name is derived from its distinctive cylindrical (drum) exterior design and its 360-degree rotational mixing mode of operation. The drum itself rotates 360 degrees to induce a tumbling motion in the materials, thereby facilitating thorough mixing. Furthermore, various internal mixing elements can be configured within the drum as required. This design makes it the preferred equipment for dry powder blending, and it is widely utilized for powder mixing applications across industries such as food, chemicals, and pharmaceuticals.
Having covered the basic concepts, let us now introduce the structure and workflow of this mixing equipment. Detailed descriptions and explanations are provided below.
Component | Function | Description |
Drum-style vessel | Material container | Drum-shaped exterior; features a simple and compact design. |
Drive system | Provide rotational power | Consist of a motor and a reducer; drive the vessel to rotate 360° on its axis. |
Internal elements | Enhance mixing (optional) | Be configured with mixing components, such as spiral ribbons, to boost mixing efficiency. |
Frame | Equipment Support | Provide stable support for the unit; feature a split-frame design. |
The SLW series rotary mixer employs a mixing method based on the self-rotation of the vessel. The standard workflow is as follows:
A[Materials Loaded into Vessel] → B[Vessel Rotates 360°]
B → C[Materials Tumble with Vessel]
C → D[Materials Split and Merge]
D → E[Repetitive Cycling]
E → F[Uniform Mixing Achieved]
Operating Modes:
• Basic Mode: The vessel rotates 360° on its axis; materials rely on gravity to repeatedly split and merge, thereby achieving diffusive mixing.
• Enhanced Mode: Features built-in mixing components (such as spiral ribbons); as the vessel rotates, these internal elements provide auxiliary agitation to the materials, further enhancing the mixing effect.
Feature | Description |
Drum-style appearance | The drum features a simple, compact shape with high visual distinctiveness. |
360° rotational mixing | The drum rotates on its own axis, ensuring the material tumbles without any dead spots. |
Modular mixing design | Combine drum rotation with optional internal components for flexible configuration. |
No dead spots | The inner wall of the drum is smooth, resulting in minimal material residue. |
Easy to clean | Feature a simple structure with an inner wall that is easy to clean. |
Low energy consumption | Achieve mixing through rotation, eliminating the need for complex transmission mechanisms. |
The SLW series rotary mixer is often for dry powder mixing use, you can see the introduction below.
Industry | Application Examples |
Food | Seasoning powders, spices, milk powder, premixes, powdered beverages |
Chemicals | Pigments, dyes, additives, plastic powders, ceramic powders |
Pharmaceuticals | Medicinal powders, excipients, Traditional Chinese Medicine (TCM) powders, health supplements |
Material Type | Suitability | Recommended Configuration |
Dry powders with good flow ability | Good | Standard type(No internal components) |
Powders prone to clumping | Excellent | Upgraded type(With internal ribbon agitator) |
Powders with significant differences in specific gravity | Excellent | Upgraded type(With internal ribbon agitator) |
Item | Parameter |
Load volume | From about 20L to 2,000L, depending on models |
Mixing method | 360° rotating drum |
Speed range | 8–30 rpm (depending on mixer model and configuration) |
Loading coefficient | 50%/80% for the max loading rate |
Mixing time | 8-20min(depending on materials and configuration) |
Optional configuration | Internal ribbon agitator (upgraded model) |
Material | SS304/SS316L |
In Brief: The SLW series rotary drum mixer for powder is characterized primarily by its drum-style vessel design and 360° rotational mixing mechanism. It achieves uniform blending by utilizing the rotation of the drum to tumble the materials; furthermore, it offers an optional upgrade to further enhance mixing efficiency. This makes it the preferred equipment for dry powder mixing across industries such as food, chemicals, and pharmaceuticals.
For further details or assistance with model selection, please feel free to contact Salinovate Team.
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