R&D Double Cone Blender

An R&D Double Cone Blender also known as a Lab Double Cone Blender or Small Cone Blender is a compact, versatile mixing machine designed primarily for research and development (R&D) laboratories, pilot-scale testing, and small-batch production. It excels at homogeneously blending dry powders, granules, and semi-dry materials through a gentle tumbling action, making it ideal for industries like pharmaceuticals, food processing, chemicals, cosmetics, and nutraceuticals. Unlike larger industrial blenders, R&D models are scaled down for precision work, typically handling capacities from 1 kg to 50 liters, ensuring minimal material waste and easy cleaning.

R&D Double Cone Blender Video

Key Design and Working Principle

• Structure: The blender consists of two cone-shaped sections welded at their bases to a central cylindrical body, forming a double-cone shape. This vessel rotates on a horizontal axis perpendicular to the cone’s axis, typically at low speeds via a worm reduction gear or variable frequency drive (VFD).

• Mixing Mechanism:

  • Fill the vessel to 35-70% of its gross volume (ideally two-thirds) for optimal homogeneity.

  • As it rotates, materials cascade, fold, spread, and intermesh axially—dividing and recombining particles for uniform blending without excessive shear or heat generation.

  • This diffusion-based action is gentle on fragile or abrasive materials, preventing degradation.

• Discharge and Charging: Features a butterfly valve at one end for easy discharge and a removable cover at the other for loading/cleaning. Some models include intensifier bars for de-agglomeration and safety guards like SS 304 railings.

• Materials: All contact parts are stainless steel for corrosion resistance and GMP compliance. The interior is mirror-polished, exterior matt-polished.

Applications

• Pharmaceuticals: Blending drug granules, APIs, excipients, or fragile powders for tablet/capsule formulation.

• Food & Beverages: Mixing flour, spices, coffee grounds, cocoa, or dehydrated soup preparations.

• Chemicals/Cosmetics: Homogenizing pigments, detergents, fertilizers, or plastic pellets.

• Other: Handling seeds, starch, metal powders, or fiberglass—any free-flowing dry solids.

It’s particularly valued in R&D for reproducible results, low maintenance, and scalability to full production. For instance, models from manufacturer Adinath allow cantilever designs for easy vessel changes.

Advantages Over Other Blenders

• Efficiency: Achieves uniformity in 5-15 minutes with minimal energy use.

• Gentle Action: Low shear preserves particle integrity; better for varying densities/sizes than ribbon or planetary mixers.

• Ease of Use: Simple setup, full discharge (no residue), and quick cleaning—ideal for multi-recipe labs.

Salient Features of Double Cone Blender

• Compact model.

• Interchangeable design hence different capacity cones can be attached on same machine.

• The conical shape at both ends enables uniform mixing and easy discharge.

• All contact parts are made out of Stainless Steel 316 quality material.

• Maximum care has been taken to ensure safe operation of the unit.

• Cantilever type design mounted on single shaft.

• Suitable size of butterfly valve at one end of the cone provided for material discharge & hole with open able cover provided at other end of the cone for material charging & cleaning.

• Cone will be mirror polished from the inside & outside & structure will be matt polished.

• All moving parts covered with SS 304 covers.

• Safety guards made from SS 304 pipes provided in front of the machine.

• Panel fabricated from SS 304 material with facility of three phase indication, start – Stop – Inch Buttons, VFD control.

• Worm reduction gear use for speed reduction.

• All safety guards & covers made out of SS 304.

Technical Specification of Lab Scale Powder Mixer

* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.