1. PAINPOINT DRIVEN OPENING

Are you managing a Chinese stone quarry where operational bottlenecks are eroding your profit margins? Common challenges include inconsistent feed material causing crusher jams and unplanned downtime, excessive wear part costs from abrasive granite or basalt, high energy consumption per ton of final aggregate, and dust emission control failures leading to site shutdowns. These issues directly impact your bottom line: every hour of unscheduled downtime can cost thousands in lost production and labor. Are you seeking a crushing plant solution that delivers predictable throughput, lowers your costperton metric, and ensures consistent compliance with environmental standards? The right stationary or mobile crushing plant is not just equipment; it's the core of your operational and financial stability.

2. PRODUCT OVERVIEW

The Chinese Stone Quarry Crushing Plant is a complete, engineered system designed for the primary, secondary, and tertiary reduction of blasted quarry rock into specified aggregate sizes. Its operational workflow is optimized for hard stone applications:
1. Primary Feeding & Crushing: Dump trucks feed blasted rock into a robust primary jaw crusher for initial size reduction.
2. Material Screening & Conveying: A vibrating grizzly screen separates fines and routes oversize material via conveyor belts to secondary crushers (e.g., cone or impact crushers).
3. Secondary/Tertiary Crushing: Subsequent crushing stages further refine the material to achieve precise cubical product shapes.
4. Final Screening & Stockpiling: Multideck vibrating screens sort crushed stone into finished product fractions (e.g., 05mm, 510mm, 1020mm), which are conveyed to designated stockpiles.
This system is ideally suited for processing granite, limestone, basalt, and other highabrasionindex stones. Its limitations include requiring a prepared, stable site foundation and not being designed for processing highly cohesive or claybound materials without preprocessing.

3. CORE FEATURES

Intelligent Crushing Chamber Design | Technical Basis: Computeraided kinematics and dynamics simulation | Operational Benefit: Optimized nip angle and crushing stroke for specific Chinese stone types (e.g., highsilica granite) reduces slabby product and increases yield of inspec material | ROI Impact: Field data shows a 815% increase in saleable product yield, directly boosting revenue per ton of feed.
HeavyDuty Wear Part Assemblies | Technical Basis: Austenitic manganese steel castings with ceramic grain reinforcement in critical zones | Operational Benefit: Significantly extends service life in highly abrasive crushing of quartzrich stones, reducing changeout frequency | ROI Impact: Documented wear part cost savings of 2030% compared to standard OEM offerings over a 12month operating period.
Centralized Greasing & Hydraulic System | Technical Basis: Automated, programmable lubrication circuits with failure alerts | Operational Benefit: Ensures optimal bearing and component lubrication under highload conditions, preventing premature failures | ROI Impact: Reduces unplanned maintenance events by an estimated 25%, protecting throughput targets.
Integrated Dust Suppression System | Technical Basis: Highpressure misting nozzles aligned with transfer points and crusher inlets/outlets | Operational Benefit: Effectively controls respirable dust at source, maintaining site visibility and regulatory compliance | ROI Impact: Mitigates risk of costly environmental penalties and work stoppages.
PLCBased Process Automation | Technical Basis: Programmable Logic Controller with humanmachine interface (HMI) for system monitoring and control | Operational Benefit: Allows operators to adjust settings (e.g., feeder speed, crusher gap) from a central cabin for consistent product grading | ROI Impact: Improves overall plant efficiency (tons/hour/kWh) by optimizing machine load distribution.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard | Chinese Stone Quarry Crushing Plant Solution | Advantage (% improvement) |
| : | : | : | : |
| Availability / Uptime | ~8588% (scheduled & unscheduled downtime) |> 92% availability guarantee
with recommended service plan| >47% improvement |
| Energy Efficiency (kWh/ton) | Varies by rock type; baseline established per project |>5% more efficient due to directdrive crushers & optimized conveyor loads| ~58% reduction in power cost |
| Wear Metal Consumption (g/ton) | Based on standard manganese steel profiles |>15% lower consumption through material science advancements| ~1520% improvement |
| Product Shape (% cubical) | Highly dependent on feed gradation |>85% cubicity in final chipping products from secondary cone stage| Improved market value & compaction |

5. TECHNICAL SPECIFICATIONS

Capacity Range: Configurable from 150 to 800 tons per hour (TPH), depending on feed size and final product requirements.
Primary Crusher Options: Jaw Crusher (PE/PEX Series), Feed opening up to 1500x1200mm, capacity up to 1000 TPH.
Secondary/Tertiary Crusher Options: Hydraulic Cone Crusher (SingleCylinder or MultiCylinder), max. feed size up to 350mm.
Power Requirements: Total installed power ranges from 300kW to 1200kW based on plant configuration. Voltage standard: 380V/50Hz/3Phase.
Key Material Specifications: Main frame construction using Q345B steel; Liners use ZGMn13Cr2 or equivalent highgrade manganese steel; Shafts manufactured from alloy forged steel (e.g., 42CrMo).
Physical Dimensions: Modular design allows adaptation to site constraints. A typical 300 TPH plant footprint is approximately 60m (L) x 25m (W).
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C; dust emission control meets Chinese GB16297 standard.

6. APPLICATION SCENARIOS

Granite Aggregate Production for HighSpeed Rail Ballast | Challenge: A quarry supplying ballast stone required exceptionally high material strength (+130 MPa) and strict particle shape (elongated/flaky ratio <10%) but struggled with low overall yield due to excessive fines generation in secondary crushing.| Solution: Implementation of a threestage crushing plant featuring a primary jaw crusher, a multicylinder hydraulic cone crusher for secondary duty configured for a coarse setting, and a vertical shaft impact (VSI) crusher for tertiary shaping.| Results: Achieved a product yield meeting ballast specifications of over 90%, with a documented 18% reduction in waste fines. Plant throughput stabilized at 320 TPH.

Urban Quarrying with Strict Noise/Dust Limits | Challenge: A quarry located near an urban expansion zone faced stringent limits on operational noise (<70 dB at boundary) and PM10 dust emissions, threatening its operating license.| Solution: Deployment of a fully enclosed crushing plant with sounddampening panels on key units and a comprehensive dry fog dust suppression system with negative pressure baghouse filters at final transfer points.| Results: Thirdparty environmental monitoring confirmed compliance with all urban noise and dust regulations (PM10 levels below 45 µg/m³ at site boundary), allowing uninterrupted operations.

7. COMMERCIAL CONSIDERATIONS

Equipment pricing is tiered based on capacity and automation level:
Standard Tier (150300 TPH): Includes core crushing units, basic mechanical conveyors, manual control starters.
Advanced Tier (300600 TPH): Incorporates hydraulic adjustment systems on crushers PLCbased sequencing automation telemetry for key parameters
Optional features include hybrid diesel/electric drive modules mobile crawler mounting options remote monitoring via IoT platform advanced metal detection tramp iron relief systems
Service packages range from basic commissioning spare parts supply to comprehensive annual maintenance contracts including regular inspections wear part inventory management
Financing options available through partnered institutions include equipment leasing mediumterm loans project financing structured around projected cash flow

8. FAQ

1. Q Can this crushing plant be integrated with our existing primary feeding system or screening units?
A Yes the system is designed with modular interfaces Standard belt widths head tail drum heights can be specified during engineering phase ensure compatibility

2 Q What is the expected impact on our operational labor requirements?
A The automated control system centralizes operation typically requiring one control room operator one ground inspector per shift reducing direct manpower needs compared traditional multi unit setups

3 Q How does the pricing structure account optional features country specific import duties?
A Our quoted FOB price clearly itemizes base equipment optional modules Final CIF destination port price includes calculated duties taxes provide transparent cost breakdown prior commitment

4 Q What are the lead times manufacturing delivery installation commissioning?
A For standard configurations lead time typically weeks months from order confirmation Site installation commissioning supervised our engineers requires weeks depending plant complexity

5 Q What warranty provided what does cover?
A We offer standard month warranty manufacturing defects structural components months wear parts subject proper operation maintenance Warranty covers parts replacement excludes consumable items like liner plates

6 Q Are performance guarantees offered throughput product gradation?
A Yes performance guarantees are contractually established based agreed test protocol using your site specific material Guarantees typically cover minimum throughput maximum power consumption product gradation curves

7 Q What training provided our operations maintenance team?
A Comprehensive training included covers safe operation daily checks routine maintenance troubleshooting Training conducted onsite during commissioning includes both classroom practical sessions