Stone CrusherHorizontal Gyro CrusherHard Rock Gyratory Crus for iron ore a smart efficient single stage crushing solution suitable for large scale mining operati
Smart Solutions for Primary Crushing in Large-Scale Hard Rock Mines
Hard Rock Gyratory Crusher Equipment Overview
The hard rock gyratory crusher for iron ore is an intelligent, single-stage primary crushing solution designed for large-scale mining operations. Its low feed height reduces capital investment in plant facilities, making it particularly suitable for underground crushing operations with limited space.
Dual Overload Protection: Hydraulic cylinders are equipped with integrated pressure and displacement sensors, providing dual overload protection and automatic discharge port reset, which significantly reduces downtime.
Uniform Wear: The gyratory motion drives the crushing rollers to rotate in opposite directions, ensuring uniform wear on the liners. This eliminates uneven wear and the need for replacement parts, reducing downtime and spare part consumption.
Intelligent Control: Parameter-based settings, real-time monitoring, one-touch start/stop, and hydraulic interlocks ensure continuous, efficient operation, maximizing production capacity and extending the service life of the entire machine.
Hard Rock Gyratory Crusher Application Scenarios
Large-Scale Iron Ore Primary Crushing: Provides primary crushing of iron ore, gold ore, and other metal/non-metal ores in a single pass, serving as a highly efficient alternative to traditional jaw crushers in mining operations.
Hard Rock Aggregate Production: Processes ultra-hard rocks such as granite and basalt, providing a stable feed for subsequent medium and fine crushing to ensure the output and particle shape of the aggregate production line.
Large-Scale Mineral Processing Pre-treatment: Provides pre-crushing for mineral processing production lines, reducing feed size and improving grinding efficiency; suitable for front-end crushing stations in large-scale mineral processing plants.
Underground Mining Crushing: Its low feed height design makes it an ideal choice for space-constrained underground crushing stations, saving costs on tunnel excavation and structural reinforcement.
Hard Rock Gyratory Crusher Customized Process Flow
The gyratory crusher plays a central role in primary coarse crushing within large-scale hard rock production lines. The standard five-step process is as follows:
① Mining Truck Dumping: Large mining trucks dump directly into the receiving hopper
② Gyratory Crushing: Primary crushing by the gyratory crusher, featuring low feed height and dual overload protection
③ Secondary and Fine Crushing: Secondary crushing by cone crushers or impact crushers to achieve the final product size
④ Screening and Classification: Vibrating screens classify material by size; qualified products are sent to storage, while oversize material is returned
⑤ Dust Collection and Conveying: Belt conveying + baghouse dust collection, with fully enclosed, compliant emissions
Ore is unloaded directly from mining trucks into the receiving hopper, enters the gyratory crusher for primary crushing, and is then conveyed by belt to the secondary and tertiary crushing section. Compared to traditional jaw crusher solutions, the gyratory crusher offers higher throughput, a wider feed opening, and the ability to directly accept ore from mining trucks, eliminating the need for a feeder and resulting in a simpler, more efficient production line. In iron ore beneficiation processes, the gyratory crusher reduces the raw ore to the feed size required for the grinding mill, after which it proceeds to subsequent stages such as grinding, magnetic separation, and flotation. The entire production line supports full-process intelligent integrated control.
Services
01 Solution Design: Based on ore hardness, feed size, target output, and site conditions, we provide model selection for gyratory crushers, process design, and foundation drawings, supporting the delivery of complete production line solutions.
02 Equipment Manufacturing: Manufactured using internationally advanced processes, with strict quality control for key components (main shaft, liners, hydraulic cylinders). The entire machine undergoes commissioning and testing before shipment to ensure delivery quality.
03 Installation and Commissioning: We dispatch engineers to the site to guide installation and integrated commissioning, and train operators on the operation of the intelligent control system, discharge opening adjustment, and key points of daily maintenance.
04 Operation and Maintenance Management: One-year warranty on the entire machine plus lifetime technical support. We provide liner wear monitoring plans, hydraulic system maintenance guidelines, and spare parts supply to ensure stable operation throughout the equipment’s lifecycle.
Hard Rock Gyratory Crusher Overseas Project Case Studies
Australia: Pilbara Iron Ore Crushing Plant Commissioning: 2023 | Type: Iron Ore · Large-Scale Open-Pit Mine Actual Production Capacity: 2,400 t/h | Feed Size: ≤1,200 mm | Increased Liner Life: +40% “The uniform wear design of the gyratory crusher has extended our liner replacement intervals from three months to nearly five months, significantly reducing maintenance downtime. The low feed height has also saved us a considerable amount on the construction costs of our crushing plant.” Mine Equipment Manager
Brazil: Minas Gerais Gold Mine Project Commissioned: 2022 | Type: Gold Ore · Large-Scale Mine Design Capacity: 1,600 t/h | Discharge Size: ≤250 mm | Overload Protection: Zero overload shutdowns “The ore body contains gangue interlayers, and feed size fluctuates significantly, but the hydraulic dual-overload system responded promptly during multiple incidents of foreign metal contamination, and we have never experienced a main shaft seizure. The intelligent control system makes night shift operations exceptionally simple.” Plant Manager
South Africa: Platinum Group Metals Mine, Limpopo Province Commissioning: 2024 | Type: Platinum Mine · Underground Mining Underground Capacity: 800 t/h | Structural Advantages: Low feed height | Chamber cost savings: -35% “Installing traditional jaw crushers underground requires excavating larger chambers. The low feed height of this gyratory crusher has saved us nearly one-third of the costs associated with tunnel expansion. Uptime has remained consistently high throughout its first year of operation.” Underground Mining Engineer
Hard Rock Gyratory Crusher Technical Specifications
Specification
DLHGC380
DLHGC480
Feed opening size (mm)
1640×1050
1840×1080
Max feed size (mm)
≤1000
≤1000
CSS 100 (t/h)
600–850
—
CSS 120 (t/h)
650–960
850–1200
Hard Rock Gyratory Crusher Frequently Asked Questions (FAQ)
Q1: What are the practical advantages of primary crushers used for the primary crushing of iron ore compared to traditional jaw crushers?
There are three main advantages: First, their capacity is 2–4 times that of jaw crushers of the same size, and they feature a wider feed opening that can directly accept ore from mining trucks, eliminating the need for a feeder. Second, the gyratory motion ensures even wear on the liners, resulting in a significantly longer service life compared to the uneven wear typical of jaw crushers; Third, the low feed height reduces plant and foundation construction costs. For large-scale iron ore operations, the overall return on investment is significantly higher.
Q2: How are the intelligent hard rock cone crusher and the gyratory crusher for mineral processing integrated? How do the dual overload protection systems work together?
The gyratory crusher handles primary coarse crushing, while the intelligent hard rock cone crusher for mineral processing handles medium and fine crushing as well as shaping, forming a complete closed-loop crushing and screening system. The hydraulic cylinders of the gyratory crusher are integrated with pressure and displacement sensors to provide dual overload protection. In the event of an overload, instantaneous pressure relief protects the main shaft, and the system automatically resets once the overload is resolved. The downstream cone crusher features synchronized independent protection. The coordinated operation of both units ensures the entire line shuts down safely and automatically resumes without manual intervention.
Q3: What does the turnkey plant solution for hard rock circuit crushers include? To what extent can it be applied to underground projects?
The solution covers the entire chain from design, equipment manufacturing, installation, and commissioning to operation and maintenance management. In addition to the main units, it includes a full range of supporting equipment such as feeders, cone crushers, vibrating screens, belt conveyors, and dust collectors, as well as layout drawings for the entire line. Underground projects represent our core strength—the low-feed-height design significantly reduces the volume of chamber excavation. For example, the South African platinum mine project achieved approximately 35% savings in chamber construction costs. Combined with remote control via intelligent systems, we can customize underground production line solutions based on tunnel cross-sections and production capacity.
Please provide the ore type, feed size, target output (t/h), and discharge requirements. We will provide model recommendations, motor power calculations, and production line layout plans within 24 hours—direct manufacturer pricing with no middlemen.
One-year warranty on the entire machine | Lifetime technical support | On-site installation and commissioning | Complete production line solutions
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