Spiral classifier is a horizontal structure of sand and gravel cleaning equipment, which can carry out large-volume and high-standard cleaning processing of common ore, slag, waste and other materials. The spiral classifier has a simple structure, few parts and a low failure rate. Commonly used in all kinds of gravel and sand production lines. Spiral classifier is suitable for ore and non-metallic materials for classification, dehydration, desliming and other operations. It is mainly used in wet grinding system to form a closed-circuit circulation process. Both flow and coarse-grained sand return product blades are hollow.
Application field: Spiral classifier is suitable for washing, grading, impurity removal and other operations in metallurgy, building materials, hydropower and other industries, and is used for washing and sorting of fine-grained and coarse-grained materials.
Application materials: river pebble, limestone, basalt, diabase, calcite, granite, quartz, iron ore, etc.
1. The equipment has good sealing performance: the adjustable weir plate of the spiral classifier, the optimized sealing groove and the fully enclosed transmission device ensure high cleaning output and cleaner finished stone.
2. The equipment has large output, fast operation, and a large amount of sand washing at one time, and the sand washing effect is very good.
3. It is very environmentally friendly. The materials used in the equipment are all energy-saving materials, which are very environmentally friendly and will not cause any damage to the environment.
4. The equipment is durable, the failure rate is low, and the maintenance cost is very low, creating more value for the company.
Working principle: When the spiral classifier is working, the motor drives the impeller to rotate slowly after being decelerated by the V-belt, reducer and gear. The sand and gravel enter the washing tank from the feeding trough, roll over under the driving of the impeller, and grind each other to remove the covering sand. The impurities on the stone surface will also destroy the water vapor layer covering the sand grains to facilitate dehydration; at the same time, add water to form a strong water flow, which will take away impurities and foreign objects with small specific gravity in time, and discharge them from the overflow washing tank to complete the cleaning effect. The clean sand and gravel are taken away by the blades, and then the sand and gravel are poured into the discharge trough from the rotating impeller to complete the cleaning of the sand and gravel.