Can a Compound Crusher Be Used for Sand Making?
Yes, but only for certain materials.
A compound crusher is mainly used for medium-soft materials like coal, limestone, cement clinker, gypsum, and other brittle ores. It is not suitable for very hard stones such as granite or river pebbles because the small hammers wear out quickly, increasing maintenance costs.
compound crusher
Features of Compound Crusher
1. Working Principle
When the material enters the crushing chamber, it is impacted by the high-speed rotating hammer plate and thrown against the impact plate. After rebounding, it hits the hammer plate again, creating cracks. The material then enters the rotor chamber, spiraling downward through a conical rotor cavity, where further compression and extrusion occur, causing secondary crushing.
2. Performance Characteristics
- Maximum feed size: 100–220 mm
- Discharge size: 70–90% of material ≤ 3 mm
- Integrates fine crushing and coarse grinding functions
- Increases mill output by about 40% when used with a grinding system
- Reduces system power consumption by about 30%
- Low noise (below 75 dB) and less dust pollution
3. Applicable Materials
Compound crushers are widely used in industries such as mining, cement, coal, and refractory materials. They are mainly used for crushing:
- Cement raw materials and clinker
- Construction sand
- Iron ore, sandstone, gypsum, coal gangue, and block coal
- Other medium-hard and brittle materials
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