Commonly Used Crushers And The Minerals They Are Used For
In the field of ore and mineral processing, commonly used crushers mainly include jaw crushers, impact crushers, cone crushers, roller crushers, and hammer crushers. The following is a detailed introduction to these commonly used crushers:
1. Jaw Crusher Features: • Simple structure, easy to manufacture, reliable operation. • Large crushing ratio, uniform product particle size. • Convenient maintenance, low operating costs. Parameters: • Feed inlet size: 150×250 mm to 1500×2100 mm • Maximum feed size: 125 mm to 1500 mm • Discharge opening adjustment range: 10 mm to 300 mm • Production capacity: 1 t/h to 1000 t/h • Motor power: 5.5 kW to 220 kW Applications: Suitable for coarse or medium crushing of various ores and rocks with a compressive strength not exceeding 320 MPa. Common minerals: Iron ore, copper ore, gold ore, lead-zinc ore, limestone, granite, basalt. 2. Impact Crusher Features: • Large crushing ratio, cubic product shape. • Simple structure, easy to manufacture and maintain. • Strong impact and wear resistance, long service life. Parameters: • Feed inlet size: 300 mm to 700 mm • Maximum feed size: 250 mm to 700 mm • Discharge opening adjustment range: 20 mm to 200 mm • Production capacity: 30 t/h to 800 t/h • Motor power: 37 kW to 630 kW Applications: Suitable for processing various ores and rocks with a side length not exceeding 500 mm and a compressive strength not exceeding 350 MPa. Common minerals: Limestone, granite, basalt, river pebbles, construction waste.
3. Cone Crusher Features: • Strong crushing force, high efficiency, and large output. • Uniform finished product particle size and good particle shape. • Simple structure, convenient adjustment, safe operation, and economical use. Parameters: • Feed opening size: 50 mm to 400 mm • Maximum feed size: 35 mm to 300 mm • Discharge opening adjustment range: 3 mm to 60 mm • Production capacity: 12 t/h to 1000 t/h • Motor power: 30 kW to 750 kW Applications: Suitable for medium and fine crushing of ores and rocks of various hardness. Common minerals: Iron ore, copper ore, gold ore, granite, basalt, limestone. 4. Roll Crusher Features: • Small crushing ratio, suitable for medium and fine crushing operations. • Smooth operation, low noise, and low dust. • Simple structure and easy maintenance. Parameters: • Feed inlet size: 25 mm to 500 mm • Maximum feed size: 20 mm to 400 mm • Discharge opening adjustment range: 2 mm to 50 mm • Production capacity: 5 t/h to 300 t/h • Motor power: 5.5 kW to 200 kW Applications: Suitable for medium and fine crushing operations in mining, cement, chemical, and building materials industries. Common minerals: Coal, coal gangue, coke, limestone, feldspar, dolomite.
5. Hammer Crusher Features: • Large crushing ratio, uniform product particle size. • Simple structure, easy to manufacture, and convenient to maintain. • Low energy consumption and low operating costs. Parameters: • Feed inlet size: 100 mm to 800 mm • Maximum feed size: 60 mm to 400 mm • Discharge opening adjustment range: 0 mm to 75 mm • Production capacity: 5 t/h to 1500 t/h • Motor power: 11 kW to 800 kW Applications: Suitable for medium and fine crushing of various medium-hard and brittle materials, such as limestone, coal, gypsum, shale, bricks, and tiles. Common minerals: Limestone, coal, gypsum, shale.
6. Double Roll Crusher Features: • Small crushing ratio: Suitable for medium and fine crushing operations. • Good uniformity: Uniform product particle size, minimal over-crushing. • Low noise and low dust: Smooth operation, environmentally friendly. Parameters: • Feed size: ≤30 mm • Discharge particle size: 2 mm to 8 mm • Production capacity: 10 t/h to 100 t/h • Power: 5.5 kW to 45 kW Applications: Suitable for medium and fine crushing operations in mining, chemical, cement, and building materials industries. Common minerals: Coal, coal gangue, coke, limestone.
7. Rod Mill Features: • Excellent grinding effect: Uses steel rods as grinding media, providing strong selectivity for materials during grinding. • Less over-grinding: Suitable for fine and coarse crushing of ores, reducing over-grinding. • High output: Higher production capacity compared to ball mills. Parameters: • Feed size: ≤50 mm • Discharge particle size: 0.5 mm to 2 mm • Production capacity: 0.62 t/h to 180 t/h • Power: 30 kW to 1800 kW Applications: Widely used for fine crushing and coarse grinding of metallic and non-metallic ores, such as ores, chemicals, and building materials. Common minerals: Iron ore, gold ore, copper ore, limestone.
8. Gyratory Crusher Features: • High production capacity: Suitable for large-scale production lines with extremely high processing capacity. • Continuous operation: Capable of continuous operation for extended periods, suitable for large-scale mining operations. • Large crushing ratio: Large crushing ratio, capable of processing large pieces of material. Parameters: • Feed size: ≤1500 mm • Discharge particle size: ≤250 mm • Production capacity: 200 t/h to 8895 t/h • Power: 200 kW to 1500 kW Applications: Suitable for large-scale mining and ore crushing operations, such as metallurgy, building materials, and chemical industries. Common minerals: Copper ore, iron ore, gold ore, limestone.
Each crusher has its unique advantages and applicable scope. Users should select the appropriate crusher type according to their specific crushing needs. In the process of ore and mineral processing, the reasonable selection and configuration of crushers can effectively improve production efficiency, reduce energy consumption, optimize production costs, and improve product quality.
