Take a limestone grinding project in a certain area as an example. The project is designed to meet the growing demand for ground limestone in the local construction and chemical industries.
Equipment Selection: The project selected a large - capacity vertical roller mill with a rated output of 20 - 35 tph, which can well meet the production capacity requirements of 5 - 30 tph. In addition, a complete set of auxiliary equipment was equipped, including a jaw crusher for primary crushing, a bucket elevator for material transportation, a vibrating feeder for uniform feeding, a separator for powder classification, and a dust collector for environmental protection.
Process Flow: First, the limestone mined from the quarry is transported to the plant and stored in the raw material yard. Then, it is fed into the jaw crusher through a vibrating feeder for primary crushing. The crushed limestone is lifted by a bucket elevator to the raw material silo. From the silo, the limestone is evenly fed into the vertical roller mill for grinding. After grinding, the powder is separated by the separator. The qualified fine powder is collected by the dust collector and sent to the finished product silo, while the unqualified coarse powder is returned to the vertical roller mill for re - grinding.
Benefit Analysis: In terms of economic benefits, the project has an annual output value of several million dollars. It meets the needs of local enterprises for ground limestone, reducing the transportation cost of raw materials for downstream enterprises. At the same time, it has created a certain number of job opportunities. In terms of environmental benefits, the dust collector installed in the project effectively reduces dust emissions, which is conducive to environmental protection.
Conclusion
