Liming Heavy Industry MTW European Trapezium Mill: A Hard-Core Equipment Model Guarding the Limestone Pulverization Sector for Desulfurization

Limestone Desulfurization

Against the backdrop of the in-depth advancement of the "dual carbon" goals, industrial flue gas desulfurization has become a key link for controlling SO₂ emissions and driving the sustainable development of high-energy-consuming industries. As a mainstream desulfurizer, limestone powder’s fineness control, particle size distribution uniformity and production cost directly determine the desulfurization efficiency.

Limestone powder for desulfurization is required to have a particle size of 250 mesh or 325 mesh (45μm), with the 325-mesh variant delivering superior desulfurization performance. The preparation of high-quality limestone powder has thus become a prerequisite for enhancing desulfurization efficiency in thermal power plants and steel mills. Liming Heavy Industry’s MTW European Trapezium Mill precisely meets the core demands of the industry. Leveraging mature, reliable patented technologies to optimize the limestone pulverization process, it has emerged as the preferred equipment for environmental desulfurization systems in thermal power, steel and other industries.

Project Practice: Pulverization Empowering Desulfurization Applications

Based on the core demands of green transformation in Shanxi, Liming Heavy Industry’s MTW European Trapezium Mill is fully adapted to desulfurization pulverization scenarios, with its core technologies precisely aligned with industrial emission reduction needs. From mixed material processing to large-scale continuous production, each production line ensures pulverization quality in accordance with stringent process standards, providing critical technical support for the efficient operation of local desulfurization systems.

Shanxi Limestone & Calcium Hydroxide Slag Desulfurization Production Line

Processed Materials: Limestone, Calcium Hydroxide Slag

Finished Product Fineness: 325 Mesh

Finished Product Application: Desulfurization Sector

Equipment Used: MTW European Trapezium Mill

Shanxi Limestone Desulfurization Production Line

Processed Materials: Limestone

Finished Product Fineness: 325 Mesh

Finished Product Application: Desulfurization Sector

Equipment Used: MTW European Trapezium Mill

Shanxi Limestone Desulfurization Production Line

Processed Materials: Limestone

Finished Product Fineness: 325 Mesh

Finished Product Application: Desulfurization Sector

Equipment Used: MTW European Trapezium Mill

Shanxi Limestone Desulfurization Production Line

Processed Materials: Limestone

Finished Product Fineness: 325 Mesh

Finished Product Application: Desulfurization Sector

Equipment Used: Two Sets of MTW European Trapezium Mills

MTW European Trapezium Mill has been performing consistently well in multiple desulfurization pulverization scenarios across Shanxi Province. Boasting stable operational performance and superior pulverized product quality, it adapts seamlessly to diverse working conditions, builds a solid technical bridge for the local environmental protection and emission reduction initiatives, and has earned extensive market recognition and customer trust through its proven strength.

Technical Advantages of the MTW European Trapezium Mill in Limestone Pulverization

MTW European Trapezium Mill

Tailored to the process characteristics of limestone pulverization for desulfurization, the MTW European Trapezium Mill leverages multiple core technical advantages to build a high-efficiency, stable and low-consumption pulverization solution, details as follows:

Bevel Gear Integrated Drive Design

The integrated bevel gear drive features a compact structure and simplified installation and adjustment procedures. It effectively reduces energy consumption and operational noise, boosts grinding efficiency steadily, and meets the continuous operation requirements of desulfurization pulverization.

Internal Intelligent Thin Oil Lubrication System

Equipped with a built-in oil pump, it eliminates the need for additional external oil pumps or lubrication stations, realizing automatic lubrication of the main shaft bearings and bevel gear shaft bearings. This significantly extends the service life of the equipment.

Curved Air Duct

The curved air duct minimizes air volume loss and ensures excellent material fluidity. Its smooth tangential air inlet design reduces resistance, while the optimized internal outlet direction facilitates material dispersion and prevents clogging effectively.

Curved Replaceable-edge Shovels

Adopting a curved shovel design, it expands the material grinding contact area, improves pulverization efficiency, and cuts down operational costs.

Energy Conservation & Environmental Protection

Certified by industrial environmental protection standards, the mill combines an air self-circulation system with a dust collector, fully complying with national environmental protection regulations.

Multi-purpose Capability & Reliable Technology

Incorporating advanced modern pulverization technology and holding a number of independent intellectual property patents, the mill is capable of processing various minerals and producing finished powders of different particle sizes to meet diverse application demands.

Grinding Process Flow of the MTW European Trapezium Mill

Raw materials are uniformly, quantitatively and continuously fed into the grinding chamber of the main unit via a variable-frequency belt feeder for milling. The ground materials are carried by the airflow from the fan into the powder classifier for grading. Under the action of the classifier, materials that do not meet the fineness requirements fall back into the grinding chamber for re-milling, while qualified materials are conveyed through pipelines along with the airflow into the cyclone powder collector for separation and collection. The finished powder is discharged via the discharging device. The separated airflow returns to the fan through the air return duct at the top of the cyclone powder collector.

The entire production system operates under negative-pressure and sealed conditions, and is equipped with a pulse dust collector to prevent dust emission, fully complying with national environmental protection standards.

From desulfurization pulverization projects in Shanxi to environmental renovation projects in thermal power and steel industries nationwide, the limestone powder produced by Liming Heavy Industry’s MTW European Trapezium Mill precisely meets the fineness requirements of desulfurization processes. It achieves dual optimization of desulfurization efficiency improvement and pulverization cost reduction, providing strong support for enterprises to balance environmental protection and economic benefits. Moving forward, Liming Heavy Industry will continue to deepen innovation in environmentally friendly pulverization technologies, empower industrial emission reduction with better equipment solutions, build a green and low-carbon industrial ecosystem together with partners, and provide technical and equipment guarantees for the sustainable development of the industry.