DAHONGLI PEV Jaw Crusher: Complete Cost-effective Primary Crushing Solution for Large-scale Mines

With the large-scale development of open-pit mines and multi-million-ton aggregate production bases, primary crushing equipment is facing prominent challenges including high energy consumption, frequent wear part replacement, heavy infrastructure investment and insufficient stability during continuous operation. Supported by five-dimensional structural upgrades, DAHONGLI PEV Series Jaw Crusher delivers professional integrated primary crushing solutions tailored for various large-scale mines. It helps stabilize production and cut power consumption in primary crushing processes, reduces maintenance downtime, and facilitates cost reduction and efficiency improvement for metal mines, non-metal mines and solid waste recycling projects.

I. DAHONGLI PEV Jaw Crusher: Suitable for Crushing Scenarios of All Types of Large-scale Mines

Developed for ores with compressive strength ≤300MPa, DAHONGLI PEV Series Jaw Crusher performs both primary and secondary crushing. It can stably process soft and hard ores to meet production requirements of multiple large-scale mine projects.

1. Large-scale Metal Mining: Primary crushing of bulk raw ores such as gold ore, iron ore, manganese ore and copper ore, applicable to 24-hour continuous production lines of multi-million-ton open-pit mines.

2. Large-scale Non-metal Rock Mines: Processing of hard rocks including granite, basalt, limestone and quartzite.

3. Metallurgy and Solid Waste Recycling Projects: Pretreatment of metallurgical raw materials, recycling crushing of mine tailings and construction solid waste.

Equipped with a deep V-shaped crushing chamber and extra-large feeding inlet, the 7 available models achieve a maximum feeding size of 1200mm. Massive raw rock excavated from large mines can be fed directly without pre-screening or secondary splitting. It simplifies front-end mining procedures, cuts investment on auxiliary equipment, and adapts to large-scale continuous operation of open-pit mines.

II. Five Core Upgrades of DAHONGLI PEV Jaw Crusher for Large-scale Mines to Reduce Overall Mine Operating Costs

Targeting tough working conditions of long-hour continuous high-load operation in large mines, DAHONGLI has realized five-dimensional structural innovation on PEV jaw crushers, lowering comprehensive project costs from energy consumption, wear resistance, service life, infrastructure and intelligent operation dimensions.

1. Optimized Four-bar Linkage Structure to Lower Energy Consumption in Large Mine Production

DAHONGLI independently optimizes the four-bar transmission structure with customized crushing stroke designed for high-load working conditions to reduce ineffective loss during ore compression. Matched with precisely counterweighted movable jaw assemblies, the unit crushing energy consumption can be reduced by up to 15% under the same throughput. For large mines running all year round, considerable electricity expenses can be saved in long-term operation.

2. High-wear-resistant Alloy Components Extend Service Life of Wear Parts

The crusher features optimized movement track of discharge opening to reduce unnecessary friction between ores and jaw plates. Fixed/movable jaw plates and side liners are manufactured from high-wear hot-rolled alloy steel, extending the service life of key consumables by 20%. Large mines feature high output and fast wear consumption. Longer service cycle of spare parts reduces downtime for replacement and cuts costs on spare parts procurement and manual maintenance.

3. Combined Box Frame Ensures Stable and Durable Operation

The innovative combined box structure overcomes the fatigue resistance defects of traditional welded frames, lifting the overall service life by 40% compared with conventional jaw crushers. It generates less vibration when crushing high-hardness rocks and resists deformation under prolonged heavy-duty operation. The frequency of production shutdown caused by equipment faults is effectively lowered to guarantee consistent stable output of large mine production lines.

4. Unique Inclined Body Layout Reduces Infrastructure Investment for Large Mines

The inclined overall layout effectively lowers the overall installation height of the equipment. Whether constructing new workshops for large mines or renovating and expanding old mines, investment on workshop steel structure, civil engineering construction and equipment hoisting can be reduced accordingly. It shortens the implementation cycle of large crushing production lines and controls overall investment from the early stage of projects.

5. Dual Discharge Setting Modes Adapt to Integrated Intelligent Solutions for Large-scale Mines

DAHONGLI PEV Jaw Crusher provides two optional discharge opening adjustment schemes to match full production lines of intelligent large mines flexibly based on mine scale.

• Mechanical wedge adjustment: Simple and reliable structure, suitable for conventional large-scale mines.
• Automatic hydraulic adjustment: One-click adjustment of output particle size without shutdown, ideal for unmanned intelligent large mines.

Optional accessories including automatic lubrication systems and flywheel safety guards reduce on-site manual workload and improve operation safety for large mines.

III. Full Range of DAHONGLI PEV Models to Match Capacity Requirements of Various Large-scale Mines

DAHONGLI launches 7 standardized PEV jaw crusher models, covering production demands from small quarries to multi-million-ton open-pit large mines and supporting the implementation of integrated crushing solutions for large-scale mines.

• Feeding size: 400mm~1200mm; bulk raw rock can be directly fed
• Supporting motor power: 55kW~400kW
• Hourly processing capacity: 65t/h~1910t/h

With exclusive particle size curve design, the equipment delivers uniform output particle size and connects smoothly with secondary crushing and screening equipment to ensure continuous and efficient operation of complete crushing lines for large mines.

IV. DAHONGLI One-stop Integrated Solutions for Large-scale Mines, Beyond Single Crushing Equipment

As an enterprise focusing on R&D and manufacturing of mining machinery, DAHONGLI supplies single units and complete crushing, screening and conveying equipment, as well as full-process integrated mine solutions covering:

1. Mine project planning and customized design of production line process solutions

2. Customized production of complete crushing, screening and conveying equipment

3. On-site technical guidance for mine production

4. Full-cycle equipment maintenance, genuine spare parts supply and long-term operation & maintenance services

For large open-pit mines, newly-built aggregate bases and renovation & expansion projects of old mines, DAHONGLI can design complete crushing production lines dominated by PEV jaw crushers according to local geological conditions, ore hardness and target output. It provides one-stop solutions to meet core demands of stable production, energy saving and low maintenance for primary crushing procedures in large mines.

Conclusion

With advantages of large feeding size, energy-saving and wear-resistant structure, low infrastructure investment and intelligent adjustable performance, DAHONGLI PEV Jaw Crusher fits primary crushing operations of various large-scale metal and non-metal mines and serves as the preferred primary crushing equipment for large mines.

If you are planning crushing production lines or mine renovation projects and intend to build a crushing system featuring long-term stability and low operating costs, contact DAHONGLI for customized integrated mine crushing solutions. Leverage PEV series jaw crushers to realize stable output and cost reduction for mining operations.