Octagonal Blender
The Octagonal Blender is an efficient and versatile tumble blender primarily designed for the
homogeneous mixing and lubrication of dry powders and granules. Its working principle is based on
a slow, gentle tumbling action facilitated by the unique eight-sided shape of its rotating vessel. This
design ensures that the material inside is continuously lifted and falls back down, moving from the
corners to the center and back again due to gravity. This constant yet low-impact movement is key
to achieving a uniform blend without causing material degradation, which is especially crucial for
sensitive or fragile particles like pharmaceutical granules.
The operation begins with the loading of dry ingredients—typically powders or granules—into the
blending vessel, filling it to approximately two-thirds of its gross volume to allow for effective
movement. Once loaded and sealed, the vessel is set into slow, controlled rotation by a drive unit,
which often includes a motor and gearbox. The octagonal shape is fundamentally responsible for
the blending efficiency, as its flat sides and angles promote a more intricate flow pattern than
rounder containers, inducing a greater degree of movement and intermixing of particles.
To further enhance the mixing process, Octagonal Blenders are often equipped with internal baffles.
These baffles are typically removable and are mounted diagonally inside the shell. As the vessel
rotates, these fixed or swivel baffles act as lump breakers, disrupting the mass of material and
preventing it from forming a solid rotating core. This mechanism increases the randomness of
particle movement, thereby significantly reducing the blending time required to achieve a high
degree of homogeneity, or uniform distribution of all components.
Features:
Ensures uniform mixing of powders & granules
Gentle tumbling action prevents material damage
Octagonal shape improves blending efficiency
Suitable for sensitive pharmaceutical materials
Internal baffles reduce lumps & dead zones
Faster mixing with consistent results
Stainless steel construction for durability
Easy loading and complete discharge
FAQs
An Octagonal Blender is used for homogeneous mixing and lubrication of dry powders and granules, especially in pharmaceutical and chemical industries.
The eight-sided design creates better particle movement than circular blenders, ensuring improved mixing efficiency and uniformity.
It is suitable for dry powders, granules, and sensitive materials that require gentle handling without particle damage.
Typically, the vessel is filled up to two-thirds of its gross volume for optimal mixing performance.
No. Its slow and gentle tumbling action prevents degradation, making it ideal for fragile pharmaceutical granules.