A crusher is a heavy-duty industrial machine that breaks down large stones, rocks, or ore into smaller, usable pieces. The raw material enters via a feeder, and jaw, cone, or impact mechanisms apply mechanical force to fracture the material. Crushed output passes through vibrating screens for size separation, after which conveyors carry the classified aggregates to storage or further processing. Crushers are essential for producing aggregates for concrete, asphalt, roadways, bridges, tunnels, dam and port projects, ore processing in mining, quarries, and recycling plants.

What Is a Mobile Crusher, What Does It Do, How Does It Work, and Where Is It Used?

A mobile crusher is a transportable crushing and screening plant mounted on wheeled or tracked chassis. It includes feeder hoppers, primary and secondary crushers, screening decks, and conveyors integrated into a single unit powered by diesel or electric engines. It enables quick site deployment, onsite processing, and mobility to different locations. Activity areas include quarry sites, construction zones, road maintenance, urban redevelopment, demolition recycling, and prefab concrete plants.

What Is a Fixed Crusher, What Does It Do, How Does It Work, and Where Is It Used?

A fixed crusher is a permanent, high-capacity crushing and screening plant installed on-site. Raw material is delivered via trucks or conveyors, crushed initially in a jaw crusher, then refined via cone or impact crushers, and classified using vibrating screens. The classified aggregates are conveyed to stockpiles. Fixed crushers are essential for high-volume projects like dam, highway, port, airport constructions, and concrete/asphalt plant operations.

Key Differences Between Fixed and Mobile Crushers

  • Portability: Mobile units are transport-ready; fixed units are immobile.

  • Setup Time: Mobile plants are operational within minutes; fixed plants require days or weeks.

  • Capacity: Fixed crushers have high throughput; mobile crushers handle moderate output.

  • Economics: Mobile crushers reduce transport costs but have higher upfront investment; fixed systems are cost-effective for long-term, large-scale use.

  • Flexibility: Mobile crushers can relocate to multiple sites; fixed systems remain onsite.

  • Integration: Fixed systems seamlessly integrate with batching plants and logistics setups; mobile systems operate independently but flexibly.

What Is a Mobile Stone and Ore Crushing & Screening Plant, What Does It Do, How Does It Work, and Where Is It Used?

A mobile stone and ore crushing & screening plant is a portable integrated setup that processes rock or ore at mining or quarry sites. Process steps include:

  1. Feeding Stage: Blocks are loaded into the hopper or conveyor.

  2. Primary Crushing: Jaw crushers perform initial size reduction.

  3. Secondary/Tertiary Crushing: Cone or impact crushers generate finer aggregates.

  4. Screening: Vibrating screen decks separate materials into defined fractions.

  5. Stockpiling/Dispatch: Conveyor belts transport crushed material to stockyards or loading zones.

Benefits include onsite processing, reduced transport and time costs, enhanced flexibility, less environmental impact, and low infrastructure needs. Commonly utilized in open-pit mines, quarry sites, major construction projects, railway maintenance, demolition recycling sites, prefab concrete facilities, and disaster debris clearing.