The spiral classifier is widely used in the classification of the grinding circuit of the concentrator and the operations of washing, desilting and dewatering. Its main advantages are simple equipment structure, reliable work and convenient operation.
- It is used for the separation of machine-made sandstone powder, which can control the content of machine-made sandstone powder very conveniently and meet the requirements of users.
- It is suitable for dry technology large and medium-sized sand production lines.
- The content of 0.00–0.75mm stone powder can be adjusted between 2%-15%.
- Stone powder quality is easy to control, fineness adjustment is convenient, flexible and reliable.
- Using frequency conversion control technology, the operation is more concise.
- It can be connected with the mill in the closed circuit of the grinding circuit. Compared with hydrocyclone, the power consumption is lower.
- The main disadvantage is that the classification efficiency is low, the equipment is bulky, and the floor space is large. Due to the limitations of equipment specifications and production capacity, it cannot generally form a closed circuit with a ball mill of ф3.6m or more(“Spiral Classifiers,” n.d.).
When it comes to efficient particle classification in mineral processing, the spiral classifier remains a popular choice for good reason! What key advantages do you believe make this equipment so valuable in optimizing grinding circuits and material separation? Share your insights!


