A sulfur deep-processing enterprise in Indonesia mainly produces ultrafine sulfur powder for rubber vulcanization. The original equipment was a traditional mechanical mill, which had several issues such as oversized particles, insufficient output, and dust leakage. The final product could not maintain a stable D99 at 63 μm, and the single-machine capacity was only 80–100 kg/h, failing to meet export order requirements.
In 2025, the company introduced the Pó Épico MJW280-A Moinho Classificador de Ar, achieving precise classification at 63 μm and stable production of 150 kg/h.
Equipment Selection: Epic Powder MJW280-A
| Technical Parameter | Specification |
|---|---|
| Main motor power | 7.5 kW |
| Classifier motor power | 3 kW |
| Feeding size | ≤ 5 mm |
| Finura do produto | D99 = 63 μm (adjustable) |
| Designed capacity | 150 kg/h (sulfur) |
| Classification type | Built-in high-precision turbine classifier |
| Operating mode | Fully sealed negative pressure + nitrogen protection |
Core Advantages
- Precise particle control: Narrow particle size distribution (D50 ≈ 20–25 μm)
- Explosion-proof safety: Equipped with explosion relief valve and inert gas protection system
- Corrosion resistance: All contact parts made of SUS304 with Teflon coating
- Energy saving (30%): Significantly lower specific energy consumption compared with traditional mills
On-site Test Data (Commissioned in May 2025)
| Item | Measured Value |
|---|---|
| Raw material | Industrial sulfur |
| Finura do produto | D99 = 62.1 μm (Malvern laser particle size analyzer) |
| Saída | 152–157 kg/h (average continuous operation) |
| Consumo específico de energia | 0.27 kWh/kg |
| Emissão de poeira | < 8 mg/Nm³ |
| Uptime rate | 98.8% |
Feedback do cliente
The customer highly recognized the solution provided by EPIC Powder, particularly praising the equipment’s performance in temperature control and consistent particle size. The company is now planning to expand its production capacity and introduce larger classifier mill systems for other chemical powder applications.
Technical Highlights
- Anti-sticking design: Smooth grinding chamber with high-speed self-cleaning airflow prevents sulfur softening and adhesion.
- Intelligent classification: PLC and frequency inverter control for classifier speed, allowing real-time adjustment of D99 values.
- Quick disassembly: Complete cleaning in 30 minutes, ideal for multi-spec product changeovers.
Conclusão
This Indonesia sulfur grinding and classification project fully demonstrates Pó ÉPICO’s expertise in handling low-melting and flammable materials. With the advanced MJW series air classifier mill and integrated explosion-proof design, EPIC Powder provides customers with a safe, efficient, and precisely controlled sulfur powder production solution.
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