Horizontal Sand Mill: A Dynamic Solution for Particle Size Reduction and Dispersion
Introduction
In the world of particle size reduction and dispersion, the sand/Dyno Mill stands out as an innovative and highly efficient grinding mill. With its unique design and powerful mechanism, the Dyno Mill revolutionizes the process of wet grinding, offering enhanced performance, versatility, and reliability. This article aims to delve into the working principles of the Dyno Mill, its wide range of applications, advantages over traditional ball mills, and the industries that benefit from its exceptional capabilities.
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 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