Mobile Cone Crusher for sale

What is Mobile Cone Crusher?

This mobile cone crusher integrates a cone crusher with a crawler chassis, enabling rapid relocation between different work sites. The main crushing unit employs a laminated crushing principle; within the crushing chamber, materials are subjected primarily to compression and attrition. This process reduces the proportion of flaky and needle-like particles in the discharge by 15–20% compared to traditional jaw crusher and impact crusher combinations. The equipment supports discharge opening adjustments ranging from coarse crushing (40–60 mm gap) to fine crushing (10–16 mm gap), allowing it to adapt to operating conditions requiring various particle size specifications.

In terms of reliability, the bearing assembly is equipped with a positive-pressure labyrinth seal, effectively preventing external dust from entering the lubrication zone. Furthermore, a hydraulic tramp iron protection system allows uncrushable objects—such as excavator bucket teeth or small metal fragments—to pass through the crushing chamber; the crusher then automatically resets without requiring manual shutdown for cleaning.

Compared to Mobile Jaw/Impact Crusher, Where Does it Excel and Fall Short?

Mobile jaw crushers are designed specifically for the primary crushing of large, hard rocks; mobile impact crushers are ideally suited for the secondary crushing and shaping of medium-to-soft materials, such as limestone or concrete waste; mobile cone crushers, meanwhile, occupy a middle ground: they excel at the intermediate and fine crushing of high-hardness materials—such as granite, basalt, and river pebbles—while simultaneously producing high-quality, cubical finished products, a characteristic highly prized in high-grade aggregates.

However, mobile cone crushers do have their limitations: their feed openings are relatively narrow (rendering them unable to accept boulders exceeding 200–300 mm in diameter), and—compared to mobile impact crushers with equivalent processing capacities—their initial investment costs are 20% to 30% higher.
For engineering projects that demand both exceptional wear resistance and strict control over the shape of the finished particles, the cone crusher is an indispensable choice; conversely, for applications involving the crushing of soft rocks or the recycling of waste materials, the impact crusher offers superior cost-effectiveness.

Working Principle of Mobile Cone Crusher

Material is fed uniformly by a vibrating feeder into the tire-type mobile cone crusher, where it undergoes the initial stage of laminated crushing. The crushed mixture is then conveyed via the main belt conveyor to a circular vibrating screen for classification. Following screening, material exceeding the specified particle size is returned to the cone crusher for re-crushing, while qualified finished products—meeting the required size specifications—are discharged via side or end conveyors. This configuration establishes a fully closed-circuit crushing system, ensuring that all finished products possess uniform particle size and low needle-and-flaky content.
If the user has less stringent requirements regarding the particle size of the intermediate material resulting from primary crushing (e.g., for applications such as heap leaching or pre-grinding), the circular vibrating screen can be directly removed to configure the equipment for “open-circuit crushing mode.” In this mode, material is discharged immediately after a single pass through the cone crusher, thereby significantly increasing throughput and facilitating seamless integration with downstream equipment, such as impact crushers, sand-making machines, or ball mills.

• Uniform Feeding: A vibrating feeder continuously feeds raw materials into the jaw crusher, preventing idling or blockage.
• Primary Crushing: The jaw crusher breaks large stones into medium-sized particles (typically 60-200mm).
• Screening and Recycling: A circular vibrating screen divides the crushed material into three parts:
• Qualified Finished Product: Stacked via the main conveyor.
• Oversized Pieces: Returned to the jaw crusher via a return belt for further crushing (closed-loop circulation).
• Fine Powder/Soil: Discharged from the side outlet, minimizing interference with subsequent crushing operations.

Furthermore, for applications where particle size requirements are not high but maximum capacity is needed (such as roadbed filling), the vibrating screen of the tire-mounted mobile crushing station can be removed, and the material is discharged immediately after passing through the jaw crusher. This modular, quick-release design allows customers to simply loosen the bolts of the vibrating screen module and lift it off entirely. The tire chassis allows for relocation using a regular truck, eliminating the need for a low-bed trailer and saving on transportation permit fees.

Mobile Cone Crusher “Heart” – Mantle & Concave Wear: How Fast, How Costly?

The mantle and concave (often called the crushing liners) are the true “heart” of a mobile cone crusher – they directly contact the material and determine both output shape and total operating cost. Their wear rate is not fixed; it’s controlled by three key factors:

• Material abrasiveness – Crushing silica-rich granite or river pebbles will wear liners 2–4 times faster than limestone or recycled concrete.
• Feed method – Choke feeding (keeping the chamber full) actually reduces wear by creating a material-on-material layer, while irregular or under-fed operation causes direct liner-to-rock impact and localized grooving.
• Crusher setting – A closed side setting (CSS) that is too tight for the material forces excessive compression, accelerating fatigue cracks on the liner surface.

How to reduce liner cost without sacrificing production:

• Choose the right alloy – Mn18Cr2 for hard/abrasive rock; Mn14 for softer or recycled materials.
• Maintain choke feeding – Use a level sensor or operator training.
• Rotate liners – If symmetrical wear allows, rotate 180° to extend life by 15–20%.
• Track wear pattern – Measure CSS weekly; replace only when performance drops, not on a fixed schedule.

A mobile cone crusher does not function as a standalone crushing unit; rather, it serves as the core component of the fine-crushing module. To achieve optimal crushing ratios, particle shape, and closed-circuit efficiency, it must be integrated with complementary equipment in a specific sequence:

• Primary Jaw Crusher: Processes feed material with maximum particle sizes exceeding 600 mm, reducing it to a uniform, conveyor-friendly size range of 150–200 mm. This ensures that the cone crusher never receives oversized or irregularly shaped material.
• Vibrating Screen: Prior to the material entering the cone crusher, this unit prescreens and removes natural fines (0–30 mm). This effectively prevents blockages (choking) within the crushing chamber and minimizes unnecessary wear on the liners.
• Cone Crusher: Operates in a “choke-fed” mode—maintaining a full crushing chamber—to produce finished products with excellent gradation and a cubical shape (typically ranging from 6 to 20 mm) through inter-particle crushing action.
• Post-Screening Equipment (Single or Double-Deck Screen): Separates the output from the cone crusher into three key streams: Oversized material (larger than the target size) is returned to the cone crusher via a closed-circuit conveyor for further reduction; the intermediate fraction constitutes the final finished product; and the fine fraction is discharged as fines.

Application of Mobile Cone Crusher

The mobile crushing station is widely used for crushing and screening minerals, rocks, and other aggregates as well as recycling solid waste:

• Rock crushing: Limestone, granite, basalt, gabbro, pebbles, dolomite, silica sand, talc, quartz, bluestone, etc.
• Mining crushing: Coal, gold ore, iron ore, copper ore, manganese ore, lithium ore, lead and zinc ore, etc.
• Solid waste recycling: Concrete, construction waste, slag, tailings, demolition waste, etc.
• Infrastructure projects: Road construction, aggregate production, railway development, airport expansion, etc.

Advantageous of CHUNLEI Machinery Mobile Cone Crusher

1. Modular Quick-Change System: One Machine, Multiple Applications
   The same chassis can be fitted with a jaw crusher, cone crusher, or impact crusher. Swapping the main crushing unit takes just 4 hours, eliminating the need to purchase multiple separate machines and boosting equipment utilization by 50%.
2. Flexible Configuration: Adaptable to Any Site
   Capable of standalone crushing operations, the unit can also be quickly integrated with mobile jaw crushers, screening stations, or sand-making machines. Suitable for use with construction waste, in mining operations, and at road construction material yards—without the need to purchase external adapter components.
3. 24 Models Available: Tailored to Your Needs
   With capacities ranging from 50 to 400 tons per hour, you can select the ideal specifications for feed size, discharge size, and rock hardness. We provide direct recommendations for the most energy-efficient configuration solution.
4. Hydraulic System: Hassle-Free and Safe
   Hydraulic support legs allow for one-touch leveling, enabling operations to commence within just 15 minutes; the discharge opening size can be adjusted remotely.
5. Dual Power (Electric/Diesel) + Dust Suppression & Iron Removal: Eco-Compliant
   Capable of running on both electricity and diesel, making it suitable for a wide variety of locations and regions. Features dust suppression and iron removal systems to minimize environmental pollution.

Technical Parameters of Mobile Cone Crusher