Mixers
Mixers
MIXERS
Paddle Mixers
Thorough, low-shear batch mixing.
- Application
- Dry blending · Wet mixing
- Capacity / working range
- 100 – 10,000 L
- Engineering
- Configured to your process requirements
PM Industries and Process Equipment Pvt. Ltd.
Paddle Mixers
Paddle Mixers Overview
Paddle Mixers are versatile horizontal batch mixers designed for gentle yet thorough mixing of powders, granules, and pastes. The mixer consists of a cylindrical horizontal vessel with one or more central shafts equipped with angled paddles. The paddle agitators create axial and radial movement of the material, promoting efficient mixing with low shear, making it suitable for fragile or heat-sensitive materials.
These mixers are widely used in pharmaceuticals, food processing, chemicals, and other industries requiring uniform blending of bulk solids.
Working Principle
The paddle mixer operates by rotating paddles that push and lift the material, producing a mixing flow that is both axial (along the length of the vessel) and radial (from the center to vessel walls). This motion ensures that all particles are uniformly distributed within the batch without breaking down delicate particles or generating excessive heat. The slow to medium speed ensures gentle blending while avoiding segregation.
Key Features
- Horizontally oriented cylindrical vessel with one or more paddle shafts
- Customizable paddle angles and shapes for optimized mixing
- Low shear and heat generation, suitable for delicate materials
- Available with variable speed drives for precise control
- Easy-to-clean hygienic designs with options for CIP
- Durable construction in SS 304, SS 316 or specialized alloys
- Optional steam or cooling jackets for temperature control
Applications
- Pharmaceutical powders and excipients
- Food ingredients and premixes
- Detergents and cleaning powders
- Ceramic and mineral powders
- Pigments and colorants
Technical Specifications
| Parameter | Specification Range | Remarks |
|---|---|---|
| Vessel Volume | 100 to 10,000 Liters | Custom sizes available |
| Paddle Speed | 10 to 100 RPM | Variable Frequency Drive controlled |
| Power Consumption | 3 kW to 45 kW | Depends on vessel size and load |
| Paddle Material | SS 304 / SS 316 / Special Alloys | Food-grade and corrosion-resistant options |
| Vessel Material | SS 304 / SS 316 / Hastelloy (optional) | Hygienic finish available |
| Sealing Mechanism | Mechanical seals / Lip seals | To prevent contamination and leakage |
| Surface Finish | Mirror, Matte, Electro-polished | As per industry requirements |
| Temperature Control | Optional steam / thermal oil jackets | For sensitive materials |
| Discharge Mechanism | Butterfly valve / bottom outlet valve | For complete batch discharge |
Variants Available
- Vacuum Paddle Mixer: For drying and degassing applications
- Jacketed Paddle Mixer: Equipped with steam or cooling jackets for temperature-sensitive processes
- Explosion-Proof Paddle Mixer: Designed to meet ATEX standards for volatile materials
- Mini Paddle Mixer: Lab-scale units for R&D and pilot batches
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