Pharmaceutical Double Cone Blender

Q: What is a Pharmaceutical Double Cone Blender and how does it work?

A Pharmaceutical Double Cone Blender is a tumble-type mixer with two conical sections joined by a cylindrical middle section. It rotates on a horizontal axis, causing materials to cascade and tumble gently for uniform blending. This low-shear diffusion mixing achieves high homogeneity (often >95–99%) in 5–15 minutes. It is ideal for free-flowing dry powders and granules used in tablets, capsules, and nutraceuticals.

Q: How easy is it to clean and maintain the Double Cone Blender for GMP compliance?

The design prioritizes hygiene with mirror-polished internal surfaces (Ra ≤ 0.4 μm), easy-access ports, and optional CIP/SIP systems. The smooth conical shape and absence of internal agitators (in standard models) minimize residue and allow quick, thorough cleaning and sterilization. This supports fast product changeovers and regulatory audits.

Q: What is the difference between a Double Cone Blender and a Ribbon Blender?

A Double Cone Blender uses gentle tumbling (low shear, ideal for fragile materials) with no internal parts, while a Ribbon Blender employs rotating helical ribbons for faster, more intensive mixing of cohesive or varied-density powders. Double Cone is preferred for high-purity, sensitive pharma blends; Ribbon suits higher throughput or minor liquid additions.

Description

Pharmaceutical Double Cone Blender is a specialized tumbling mixer used for uniformly blending dry powders and granules in pharmaceutical manufacturing, ensuring consistent mixtures for tablets, capsules, and other dosage forms. Its double-cone design, with two conical sections joined at a central cylindrical shell, facilitates efficient mixing through diffusion and tumbling as the vessel rotates on a horizontal axis.

Materials are loaded through the top, and rotation causes powders to tumble and cascade, mixing via diffusion. The process takes 5-15 minutes, achieving up to 99% uniformity, ideal for free-flowing solids with low liquid content (<10%) and specific gravity <7 g/cm³. Ineffective for very fine or cohesive powders without intensifiers; limited for wet mixing or high-shear needs.

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Salient Features of Pharmaceutical Double Cone Blender

Compact GMP Model.
No Bottle – No Fill System
Rotary Bottle Movement System with Rotary Funnel System
Funnel with Unique Vibratory system for filling semi free flow powder at higher speed.
All contact parts with easy removal system for Cleaning / AutoClaving / Sterilization.
Machine construction in SS304 material.

Filling Accuracy of ±2% depending on powder at controlled humidity below 28% Rh.
Automatic Infeed and Exit of Bottles through Star Wheel System.
No Bottle at infeed conveyor – Automatic Machine on/off system.
Tool Less adjustment of Doctor Blade and Wiper Blade saves valuable time and easy for setting.
Low Air – Machine Stop System, Low Vacuum – Machine Stop System.
Toughened Glass Safety Cabinet.

Working Principle of Pharmaceutical Double Cone Blender

The Double shape blenders have long two corner of product container for more rubbing and tumbler effect to the material for fast and homogenizing mixing. It can perform homogenously dry mixing of free-flowing powders, granules requiring low shearing force, Mixing and Blending of particles with rapid intermixing of particles irrespective of varying specific gravities. The material is loaded into the double cone blender drum. The double blender is tumbles the material in the container and spread out. The mixing is achieved in 5 to 15 minutes with better homogeneity.

Technical Specification of Pharmaceutical Double Cone Blender

Model No.	Gross Capacity	Working Capacity	Overall Dimensions (in mm) (L) x (W) x (H) approx.	Discharge Height	Charge Opening	Power Supply
DCB-5	16 Ltrs	10 Ltrs	750x580x650	300mm	100mm	0.5 H.P.
DCB-10	35 Ltrs	20 Ltrs	1100x450x1200	300mm	100mm	0.5 H.P.
DCB-25	80 Ltrs	50 Ltrs	1200x600x300	450mm	150mm	1.0 H.P.
DCB-50	150 Ltrs	100 Ltrs	1400x800x1500	450mm	150mm	2.0 H.P.
DCB-100	300 Ltrs	200 Ltrs	1850x900x1900	450mm	200mm	2.0 H.P.
DCB-150	470 Ltrs	300 Ltrs	2000x1100x2000	450mm	200mm	5.0 H.P.
DCB-200	615 Ltrs	400 Ltrs	2100x1200x2100	450mm	200mm	6.0 H.P.
DCB-250	770 Ltrs	500 Ltrs	2200x1300x2200	450mm	200mm	7.5 H.P.
DCB-300	1000 Ltrs	600 Ltrs	2300x1400x2300	450mm	200mm	7.5 H.P.
DCB-400	1340 Ltrs	800 Ltrs	2350x1800x2350	600mm	250mm	7.5 H.P.
DCB-500	1500 Ltrs	1000 Ltrs	2400x1900x2400	800mm	250mm	10 H.P.
DCB-650	2000 Ltrs	1300 Ltrs	2800x2100x2700	800mm	250/400 mm	10 H.P.
DCB-750	2500 Ltrs	1500 Ltrs	3000x2200x2600	800mm	250/400 mm	10 H.P.

* 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.

Types of Mixer, Blender and Dryer

Multi Mill

Octagonal Blender

Double Cone Blender

V Cone Blender

Ribbon Blender Mixer

Tray Dryer

Vibro Sifter

Rapid Mixer Granulator

Jacketed Mixing Vessel

Heavy Duty Toothpaste Mixer

Applications of Mixer, Blender and Dryer

Advantages of Pharmaceutical Double Cone Blender

High uniformity with low shear, preserving fragile particles.

Easy to clean, operate, and scale; energy-efficient and GMP-compliant.

Key Features of Pharmaceutical Double Cone Blender

Material: Stainless steel contact parts ensure corrosion resistance and cGMP compliance for contamination-free processing.

Design: Wide loading aperture and butterfly/slide valve for dust-free charging and discharge; slant design aids complete emptying.

Operation: Rotates at 8-25 RPM, driven by a motor with a balanced cone to minimize gearbox strain.

Add-ons: Intensifier bars, baffles, vacuum loading, or jackets for heating/cooling.

FAQ for Pharmaceutical Double Cone Blender

What is a Pharmaceutical Double Cone Blender and how does it work?

A Pharmaceutical Double Cone Blender is a tumble-type mixer with two conical sections joined by a cylindrical middle section. It rotates on a horizontal axis, causing materials to cascade and tumble gently for uniform blending. This low-shear diffusion mixing achieves high homogeneity (often >95–99%) in 5–15 minutes. It is ideal for free-flowing dry powders and granules used in tablets, capsules, and nutraceuticals.

What are the key advantages of a Double Cone Blender in pharmaceutical manufacturing?

It offers gentle mixing that preserves fragile or heat-sensitive particles with minimal attrition. Key benefits include excellent uniformity, near-complete discharge with low residue, easy cleaning (no dead corners), and full cGMP compliance with SS304/SS316L contact parts. It is energy-efficient, scalable, and reduces cross-contamination risks compared to high-shear mixers.

What materials and batch sizes is the Pharmaceutical Double Cone Blender suitable for?

It excels with free-flowing dry powders and granules (bulk density typically <7 g/cm³) with low liquid content. It is not ideal for cohesive, sticky, or very fine powders without intensifier bars. Our models range from lab-scale (10–50L working capacity) to production sizes (up to 1000L+ working capacity), supporting flexible batch production.

How easy is it to clean and maintain the Double Cone Blender for GMP compliance?

The design prioritizes hygiene with mirror-polished internal surfaces (Ra ≤ 0.4 μm), easy-access ports, and optional CIP/SIP systems. The smooth conical shape and absence of internal agitators (in standard models) minimize residue and allow quick, thorough cleaning and sterilization. This supports fast product changeovers and regulatory audits.

What is the difference between a Double Cone Blender and a Ribbon Blender?

A Double Cone Blender uses gentle tumbling (low shear, ideal for fragile materials) with no internal parts, while a Ribbon Blender employs rotating helical ribbons for faster, more intensive mixing of cohesive or varied-density powders. Double Cone is preferred for high-purity, sensitive pharma blends; Ribbon suits higher throughput or minor liquid additions.

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