Understanding the horizontal sand mill or horizontal Dyno mill machine
The Dyno Mill is a high-energy Bead milling Machine that utilizes grinding beads made of glass, ceramics, or steel to effectively grind and disperse particles in a liquid suspension. Its design comprises a horizontal chamber filled with grinding beads and an agitator shaft with discs or pins that agitate the beads. As the suspension enters the chamber, the agitator rapidly rotates, creating intense shear forces and high-energy impacts between the beads and the particles.
Model chart
| Model | Chamber Volume | Motor Power | Batch Size (per 8-hr shift)* |
|---|---|---|---|
| WBM 0.6 | 0.6 L | 2 HP | 0–10 Liters |
| WBM 1.4 | 1.4 L | 3 HP | 0–50 Liters |
| WBM 7.5 | 7.5 L | 10 HP | 20–100 Liters |
| WBM 17.5 | 17.5 L | 20 HP | 100–500 Liters |
| WBM 32.5 | 32.5 L | 30 HP | 500–1,000 Liters |
| WBM 60 | 60 L | 40 HP | 1,000–2,000 Liters |
| WBM 100 | 100 L | 75 HP | 2,000–5,000 Liters |
| WBM 200 | 200 L | 125 HP | 5,000–10,000 Liters |
| WBM 300 | 300 L | 200 HP | 10,000–20,000 Liters |
Batch size/throughput figures are based on an 8-hour work shift and are subject to product viscosity and initial and final particle size requirements.
Materials of construction: Hardened steel, polymer, and ceramic/zirconia coatings are also available, selected based on process composition and product compatibility.
Working principle
The working principles of the Dyno Mill/ Dyna mill machine are based on the high-speed rotation of the agitator shaft, which imparts kinetic energy to the grinding beads. The energy is transferred to the particles or agglomerates, causing them to collide and break apart. This process is known as bead milling or wet grinding.
The Dyno Mill's agitator design and the controlled flow of the suspension ensure efficient particle size reduction and dispersion. The combination of shear, impact, and attrition forces effectively breaks down particles to sub-micron or nano-scale sizes, resulting in finely dispersed suspensions.
Pharma-compliant design with the Wahal validation concept
The qualification documents DQ, IQ, OQ that are required for validation or the certificates for the process-relevant machine components such as calibration- and materials certificates are available for all Bead Mills. On request, we can also carry out the Factory Acceptance Test in our factory or the Site Acceptance Test at your production site.
Bead sizes vary from 0.1mm to 5mm.
Applications and advantages
The Dyno Mill finds widespread applications across various industries due to its unique advantages and capabilities:
- Paints and Coatings: The Dyno Mill enables the production of high-quality, stable dispersions of pigments, dyes, and fillers for paints, coatings, and inks. It ensures uniform color distribution, improved color strength, and enhanced gloss.
- Pharmaceuticals: In the pharmaceutical industry, the Dyno Mill is utilized for the production of suspensions, emulsions, and liposomal formulations. It enables efficient dispersion of active pharmaceutical ingredients (APIs), improving their bioavailability and facilitating controlled drug release.
- Chemicals: Chemical manufacturers employ the Dyno Mill to produce fine chemical dispersions, including catalysts, pigments, and specialty chemicals. It ensures consistent particle size distribution, enhanced reactivity, and improved product performance.
- Cosmetics and Personal Care: The Dyno Mill is used for producing cosmetic and personal care products such as lotions, creams, and suspensions. It facilitates uniform dispersion of ingredients, resulting in improved texture, stability, and sensory attributes.
- Nanotechnology: With its ability to achieve sub-micron and nano-scale particle size reduction, the Dyno Mill is instrumental in nanotechnology research and applications. It enables the production of nanoparticles with precise control over size and distribution.
Advantages over ball mills
The Dyno Mill offers several advantages over traditional ball mills:
- Enhanced Efficiency: The Dyno Mill's unique agitator design and high-energy impacts result in efficient particle size reduction and dispersion. It achieves finer particle sizes in less time compared to ball mills, leading to increased productivity.
- Superior Uniformity: The intense shear forces generated by the Dyno Mill ensure uniform particle size distribution and dispersion. This uniformity translates into improved product quality and performance.
- Scalability: The Dyno Mill is available in various sizes, allowing scalability for different production requirements. It can be easily adapted to handle small laboratory-scale batches as well as large-scale industrial production.
- Reduced Contamination: Since the grinding beads in the Dyno Mill / Dyna Mill Machine do not come into direct contact with the chamber walls
Dyna Mill / Dyno Mill machine applications
- Ink Industry
- Dye Stuffs and pigmentation production
- Paint industry
- Food Industry
- Audio and Video tape coating
- Thermal and fax paper coating
- Fillers for paper and plastics industries
- Pharmaceutical industry
Wahal Engineer’s has evolved as an eminent leader in the field of manufacturing Dyna Mills. They provide a wide range of Dyno Mill and various other products such as Planetary Mixers, Drum Lifters, and Dispensers. The company focuses on using its resources to innovate and implement advanced technologies in designing their product to suit their client requirement. Wahal manufacture product is precisely cratered to meet the exact need and demands of our clients with proper specification, leading them to be identified as a world class leader in the manufacturing industries.
