### Core Function & Use Case
Spices and herbs lose value rapidly after grinding: oxidation dulls color, destroys flavor, and causes caking, while moisture absorption leads to mold growth. For export-oriented producers, this means high rejection rates, lost revenue, and damaged brand reputation. Traditional grinders expose powder to air during processing, accelerating these problems.
This machine is engineered specifically to solve these post-production issues. Its fully enclosed, low-oxygen processing system minimizes air contact, preventing oxidation and moisture absorption. Widely used by export spice producers and bulk ingredient suppliers, it delivers powder that stays fresh, free-flowing, and high-quality for significantly longer periods.
### Tailored Advantages for Long Shelf Life Production - **30-50% Longer Shelf Life**: The closed-loop low-oxygen processing system minimizes air contact during grinding, reducing oxidation and extending product shelf life by 30-50% compared to standard grinders. - **Anti-Caking Powder Output**: The low-temperature, low-friction design prevents oil release and moisture absorption, producing free-flowing powder that resists caking even during long-term bulk storage. - **Sealed, Moisture-Proof Collection**: All powder is collected in sealed, moisture-proof containers, eliminating post-processing exposure to humid air that causes spoilage. - **Inert Gas Compatibility**: For ultra-long shelf life requirements, the machine can be equipped with nitrogen blanketing to create an oxygen-free processing environment. - **Traceable Batch Control**: The integrated control system records all processing parameters, making it easy to track batch quality and ensure consistent shelf life across every production run.
### Design & Working Principle The LL Air Classifier Mill operates through a low-oxidation, anti-caking process optimized for long shelf life: 1. **Sealed, Low-Oxygen Feeding**: Material enters the mill via a dust-tight, moisture-proof screw conveyor, with minimal air intake to prevent oxidation. 2. **Low-Temperature, Low-Friction Grinding**: Fast-rotating blades shear the material into fine particles, while constant cool airflow removes heat and prevents oil release that causes caking. 3. **Air Classification & Separation**: The powder passes through the guide ring into the classification chamber. Air and centrifugal forces separate particles by size, with oversized particles thrown back for reprocessing. 4. **Sealed, Moisture-Proof Collection**: Fine, free-flowing powder enters the cyclone separator, where it is collected in sealed, moisture-proof containers. The dust box captures all residual particles, maintaining a clean, contamination-free environment.
| 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.
