Vietnam’s cement industry is a cornerstone of its rapid infrastructure development and economic growth. As a key raw material, dolomite (CaMg(CO3)2) is widely used as an additive to improve the properties of cement, including setting time, workability, and long-term durability. Efficiently grinding dolomite to the required fineness (typically between 170-325 mesh for cement blending) is a critical production step. For small to medium-scale plants or dedicated production lines, a reliable grinding system with a capacity of 3-5 tons per hour (TPH) is often the ideal balance between investment cost and operational output. This article explores the technical requirements for such an application and presents an optimal machinery solution.
Grinding dolomite for cement production presents specific challenges. Dolomite is a medium-hard mineral with a Mohs hardness of 3.5-4. It can be slightly abrasive, which demands wear-resistant grinding components. The target fineness for cement additive use does not require ultrafine levels but demands consistent particle size distribution to ensure uniform blending and predictable chemical reactivity in the kiln. Furthermore, operational efficiency, energy consumption, footprint, and ease of maintenance are paramount concerns for Vietnamese producers seeking to enhance competitiveness.
A successful 3-5 TPH grinding system must therefore offer:
• Robust construction to handle medium-hard materials.
• Precise particle size control.
• High grinding efficiency with low energy consumption per ton.
• A compact design suitable for various plant layouts.
• Reliable operation with minimal downtime.
While several types of grinding mills are available, not all are equally suited for this specific capacity and application. Traditional ball mills, though reliable, can be less energy-efficient for this capacity range. Raymond mills have been widely used but may lack the advanced efficiency and environmental features of newer designs.
For a 3-5 TPH dolomite grinding project in Vietnam, the ideal choice is often a modern medium-speed trapezium mill or a highly efficient vertical grinding mill. These mills integrate drying, grinding, classification, and conveying, offering a complete system in a compact footprint—a significant advantage for many production sites.
Shanghai Zenith Machinery Co., Ltd., an excellent manufacturer of ore and industrial powder grinding equipment, offers the perfect match for this application with its MTM Medium-Speed Grinding Mill. As an ideal upgrade from traditional Raymond mills, the MTM series incorporates advanced technology for higher efficiency, lower energy consumption, and more reliable operation. Its curved air duct design reduces air flow resistance, and the high-density classifier ensures precise particle selection.
For a 3-5 TPH output of ground dolomite, the MTM130 model is highly recommended. Its parameters align perfectly with the project requirements:
| Model | Ring Roll Number (pcs) | Max. Feed Size (mm) | Output (t/h) | Main Unit Motor Power (kW) |
|---|---|---|---|---|
| MTM130 | 5 | <30 | 6-11 | 75 |
As shown, the MTM130 offers a capacity range that comfortably encompasses the 3-5 TPH target, providing operational flexibility. Its 75kW main motor ensures efficient power use, and the ability to handle feed sizes up to 30mm simplifies the preceding crushing stage.
For projects prioritizing even lower energy consumption and a smaller footprint, Zenith’s LM Vertical Grinding Mill presents an excellent alternative. It integrates five functions—crushing, grinding, powder selection, drying, and material conveying—into one unit. This design minimizes auxiliary equipment and reduces overall energy use by 30-50% compared to traditional ball mill systems.
For the 3-5 TPH dolomite grinding, the LM130K vertical mill is a suitable candidate from Zenith’s portfolio. Its technical specifications indicate strong compatibility with the project scale.
| Model | Plate Diameter (mm) | Capacity (t/h) | Output Fineness (μm) | Main Motor (kW) |
|---|---|---|---|---|
| LM130K | 1300 | 10-28 | 170-40 (~80-400 mesh) | 200 |
While its capacity range starts higher, the LM130K can be perfectly tuned to operate efficiently at a 5 TPH output, offering exceptional stability and product quality. Its ability to produce powder in the 170-40μm range (directly suitable for cement) with a single piece of equipment makes it a compelling, future-proof investment.
Shanghai Zenith Machinery Co., Ltd. specializes in the research, development, and production of industrial powder grinding equipment. With extensive experience in the field of ultra-fine and industrial powder processing, Zenith provides not just equipment but holistic solutions. Our mills feature:
• Patented Technology: Designs like the MTW/MTM series incorporate multiple national patents for efficiency and durability.
• Eco-Friendly Operation: Systems are designed with pulse dust collectors, ensuring clean production that meets environmental standards.
• Global Support: Zenith offers comprehensive technical support, installation guidance, and after-sales service, which is crucial for smooth operations in Vietnam.
Choosing the right grinding partner is essential for maximizing the profitability of a dolomite grinding line. Zenith’s proven technology and reliable equipment, such as the MTM130 or LM130K, provide Vietnamese cement producers with a efficient, stable, and cost-effective foundation for their raw material processing needs.
Establishing a 3-5 TPH dolomite grinding line for cement production in Vietnam requires careful technical selection. The key is to find a mill that delivers consistent product quality, operational economy, and long-term reliability. Shanghai Zenith Machinery’s MTM Medium-Speed Grinding Mill (MTM130) stands out as a tailor-made solution for this capacity, offering advanced performance in a robust package. For producers looking towards next-level efficiency and integration, the LM Vertical Grinding Mill (LM130K) offers a compelling vertical solution. By partnering with an experienced manufacturer like Zenith, Vietnamese cement companies can secure a critical piece of their production chain, ensuring quality raw materials for the nation’s continued development.
