1. PAINPOINT DRIVEN OPENING

Managing a stone quarry crushing plant involves constant pressure to balance output, cost, and compliance. Are you facing these persistent operational challenges?

Regulatory Shutdown Risk: Noncompliant components in machinery can lead to failed audits, product embargoes, or costly retrofits, directly impacting your supply chain and project timelines.
Unplanned Downtime Costs: The failure of a nonspecialized bearing or motor in a highvibration, highparticulate environment can halt your entire primary crushing line, costing thousands per hour in lost production and labor.
Inconsistent Aggregate Quality: Fluctuations in feed size or unreliable crushing chamber performance result in offspec product, increasing waste and reducing the market value of your output.
High LongTerm Maintenance Burden: Equipment not engineered for continuous mineral processing demands frequent part replacements, driving up your total cost of ownership through both parts and labor.

How do you select a crushing plant that is built for relentless operation while proactively meeting stringent environmental material regulations? The solution lies in purposebuilt engineering from the component level upward.

2. PRODUCT OVERVIEW

The ROHS Compliant Stone Quarry Crushing Plant is a stationary or semimobile aggregate production system engineered for primary and secondary reduction of granite, basalt, limestone, and other abrasive aggregates. It is designed with compliance and durability as foundational principles.

Operational Workflow:
1. Primary Reduction: Dump feed is received into a ROHScompliant vibrating grizzly feeder, which scalps fines and directs oversize material to the jaw crusher.
2. Secondary Crushing & Screening: Crushed material from the primary crusher is conveyed to a cone or impact crusher for further size reduction. Product is then classified via vibrating screens.
3. Recirculation & Stockpiling: Oversize material is recirculated back into the secondary crusher (closedcircuit design), while correctly sized aggregates are conveyed to designated stockpiles.

Application Scope: Ideal for medium to largescale quarry operations producing construction aggregates (concrete, asphalt, road base). Suitable for greenfield sites and legacy plant upgrades where material compliance is critical.

Limitations: Not designed for metallic ore processing or recycling applications with high volumes of ferrous contamination. Maximum feed size and hardness are constrained by the modelspecific primary crusher selection.

3. CORE FEATURES

ROHSCompliant Component Integration | Technical Basis: Elimination of restricted substances (Pb, Hg, Cd, etc.) in electrical components, wiring, coatings, and lubricants | Operational Benefit: Guarantees compliance with international environmental directives for machinery sold and operated in regulated markets | ROI Impact: Eliminates risk of noncompliance fines, facilitates smoother export of endproduct aggregates, and futureproofs your capital investment.

HeavyDuty Crusher Geometry | Technical Basis: Optimized nip angles and crushing chamber profiles based on Finite Element Analysis (FEA) | Operational Benefit: Delivers consistent product gradation with reduced slabby or elongated particles | ROI Impact: Increases yield of premiumgrade aggregate by an estimated 815%, enhancing product value.

Centralized Greasing & Filtration System | Technical Basis: Automated lubrication circuits with particulate filtration for all major bearing points | Operational Benefit: Extends bearing service life in highdust environments; reduces manual maintenance exposure | ROI Impact: Field data shows a 3040% reduction in bearingrelated failures, lowering parts inventory costs.

Advanced Vibration Dampening Mounting | Technical Basis: Isolated motor mounts and crusher bases using highdurometer elastomers | Operational Benefit: Minimizes vibrational stress transmitted to structural frames and electrical systems | ROI Impact: Reduces structural fatigue cracking and electrical connection failures, decreasing longterm structural repair costs.

Intelligent Process Monitoring (IPM) | Technical Basis: PLCbased system tracking power draw, throughput rates, and operational hours | Operational Benefit: Provides actionable data for predictive maintenance scheduling and bottleneck identification | ROI Impact: Enables planned downtime versus unplanned stoppages; industry testing demonstrates up to 20% improvement in maintenance planning efficiency.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard | ROHS Compliant Crushing Plant Solution | Advantage (% Improvement) |
| : | : | : | : |
| Mean Time Between Failure (Major Bearing) | ~2，000 Operating Hours| ~2，800 Operating Hours| +40% |
| Electrical System Compliance (for regulated markets)| Partial / Retrofit Required| Full System Compliance from Factory| 100% Compliance Assurance |
| Product Gradation Consistency (Cubicity Index) Subject to feed material.| Variance up to 15% postliner wear| Variance maintained below 8% through full liner life| ~47% More Consistent Output |
| Total Cost of Ownership (5Year Estimate)| Baseline Cost| 1015% Reduction Estimated| Direct Operational Savings |

5. TECHNICAL SPECIFICATIONS

Capacity Range: Configurable from 200 to 800+ tons per hour (TPH), dependent on feed material hardness and final product size.
Power Requirements: Primary plant motors typically require 400690V，50/60Hz industrial power supply。 Total connected power ranges from 350kW to 800kW。
Material Specifications: Crusher wear liners manufactured from Mn18 or Mn22 manganese steel。 Structural frames use S355JR grade steel with ROHScompliant paint systems。
Physical Dimensions (Typical Primary/Secondary Setup): Footprint approximately 35m L x 22m W x 15m H。 Semimobile skidmounted options available。
Environmental Operating Range: Designed for ambient temperatures from 20°C to +50°C。 Dust suppression system ready。 Enclosure ratings up to IP65 for electrical panels。

6. APPLICATION SCENARIOS

Granite Quarry Operation， Southeast Asia | Challenge： Need to supply ROHScompliant aggregates for an international infrastructure project， while reducing excessive downtime from electrical component failures in highhumidity conditions。｜ Solution： Installation of a turnkey ROHS Compliant Crushing Plant， featuring fully sealed electrical systems， compliant wiring，and centralized corrosioninhibited greasing。｜ Results： Project passed all material compliance audits without issue。 Electricalrelated downtime decreased by over 60% in the first year， ensuring onschedule delivery。

Limestone Aggregate Producer， European Union｜ Challenge： Facing escalating maintenance costs on an aging plant and upcoming regulatory inspections targeting restricted substances。｜ Solution： Retrofit upgrade focusing on core crushing units with ROHScompliant drives， motors，and PLC controls， integrated into existing conveying infrastructure。｜ Results： Achieved full machinery compliance certification。 Predictive data from the new IPM system allowed a shift to conditionbased maintenance， reducing annual planned maintenance hours by an estimated 25%。

7. COMMERCIAL CONSIDERATIONS

Pricing Tiers：
Base Configuration： Primary crushing stage with feeder， jaw crusher，and basic discharge conveyor。
Standard Production Plant： Base + secondary crusher， screening deck，and basic dust suppression。
Turnkey ClosedCircuit Plant： Full system including advanced dust control， intelligent monitoring，and automated recirculation conveyor。

Optional Features： Advanced ceramic wear liners for highly abrasive stone； hybrid diesel/electric power module for remote sites； remote telematics package； sound attenuation enclosures。

Service Packages：
Platinum： Includes scheduled inspections， parts discounting，and priority field service support。
Gold： Covers scheduled inspections and remote monitoring support。
Bronze： Provides detailed operational manuals和onsite commissioning。

Financing Options： Capital equipment leasing structures； projectbased financing；and tradein programs for qualifying legacy equipment are available through partnered financial institutions。

8. FAQ

Q1: Does ROHS compliance affect the mechanical durability or crushing performance of the plant？
A1: No。 Compliance addresses the materials used in electrical components、wiring、paints、and lubricants。 The mechanical integrity、crusher kinematics、and structural design adhere to—and often exceed—traditional heavyduty mining equipment standards。

Q2: Can we integrate this plant with our existing noncompliant conveyors和screens？
A2: Yes。 The crushing plant can be supplied as a standalone compliant module。 However、for fullsite compliance、attention must be paid to the complete material handling chain during audit processes。

Q3: What is the typical implementation timeline from order commissioning？
A3: For a standard configuration、delivery is typically within 1624 weeks。 Commissioning requires 23 weeks with our supervision depending on site readiness。 Retrofit projects have variable timelines based on scope。

Q4 How does the intelligent process monitoring system handle data？
A4 The IPM provides localized data logging on an onboard HMI screen。 Optional telematics allow secure remote access via web portal for performance tracking和maintenance alerts without integrating into your corporate IT network。

Q5 Are spare parts subject to longer lead times due to specialized compliant components？
A5 No Critical wear parts like crusher liners remain standard Our compliant electrical components are stocked within our global supply network ensuring parity with conventional part delivery schedules

Q6 What training is provided for our operations和maintenance teams？
A6 Comprehensive training is included covering safe operation routine maintenance procedures troubleshooting guidelines specific documentation review

Q7 Is there a performance guarantee offered？
A7 Yes We provide guaranteed throughput capacity based on agreed feed material specifications along with standard mechanical warranties Extended performance warranties are available under specific service agreements