### Core Function & Use Case This Egg Shell Grinder is purpose-built for processing hard, brittle materials that standard grinders struggle with: egg shells, crab shells, walnut shells, and spices. It delivers consistent, ultra-fine powder output, making it ideal for applications like calcium supplement production, spice blending, and biomass processing. Unlike basic grinders, this machine uses an air-classification system to adjust particle size without sieves. The result is a uniform powder that meets strict requirements for food, pharmaceutical, and cosmetic industries.
### Tailored Advantages for Shell & Biomass Processing - **No-Sieve Adjustable Fineness**: Particle size is controlled by adjusting the speed of the air classifier motor, allowing you to produce powder from 80 to 1000 mesh without changing screens. - **Water-Cooled Temperature Control**: A water-cooling jacket surrounds the grinding chamber and bearings, preventing overheating during continuous operation and protecting heat-sensitive materials. - **Industrial-Grade Components**: Built with well-known brand motors, bearings, and electrical parts, ensuring long-term, reliable performance even with abrasive shell materials. - **Fully Dust-Free Operation**: The integrated dust collection system captures all fine particles, preventing powder leakage and creating a clean, safe working environment. - **Dual-Use Versatility**: Suitable for both food-grade and industrial applications, from processing egg shells for supplements to grinding biomass materials for animal feed.
### Design & Working Principle The WFJ Super Micro Fine Grinder features a robust, industrial-grade structure built for fine powder processing: 1. **High-Wear Grinding Chamber**: The chamber is made of thick, durable material to withstand the abrasive nature of shells and hard spices, with a water-cooling jacket to control temperature. 2. **Precision Air Classifier**: The built-in air classifier adjusts the speed of the airflow to separate fine particles, allowing you to control the final mesh size with precision. 3. **Heavy-Duty Drive System**: Powered by a reliable motor, the system delivers consistent torque to handle the toughest materials, with minimal vibration and noise. 4. **Integrated Dust Collection Unit**: A dedicated dust box captures all fine powder particles, preventing waste and pollution, while also allowing for easy material recovery. 5. **User-Friendly Operation**: The machine is designed for simple, semi-automated use, requiring only two operators to manage production, making it ideal for both small workshops and large factories.
| Model | WFJ-10 | WFJ-15 | WFJ-20 | WFJ-30 | WFJ-60 | WFJ-80 | WFJ-100 |
| Production Capacity (kg) | 10~50 | 50~100 | 80~200 | 200~400 | 400~800 | 500~1000 | 600~1200 |
| Feeding size (mm) | <5 | <10 | <10 | <12 | <12 | <12 | <12 |
| Crushing fineness (mesh) | 80-600 | ||||||
| Motor power (kw) | 12 | 13.37 | 18.37 | 42.5 | 77.5 | 96 | 138 |
| Spindle speed (rpm) | 4000 | 5800 | 4200 | 3800 | 3200 | 2800 | 2000 |
| Weight (kg) | 500 | 1000 | 1200 | 1800 | 2500 | 3000 | 4000 |
| Overall dimension (L*W*H)(mm) | 1700x1800x2200 | 4500x1250x2700 | 6000x1250x2900 | 7100x1300x3650 | 8000x2300x4500 | 8500x2500x4600 | 10000x2800x5000 |
*The above specifications are provided for reference only. We can also design and manufacture different standard upon customer's request.
