1. PAINPOINT DRIVEN OPENING

Are you managing a highvolume aggregate operation and facing persistent bottlenecks that cap profitability? For plant managers and engineering contractors, a 250300tph stone crushing plant is a critical production asset, yet its performance directly dictates your bottom line. Common challenges include:

Unscheduled Downtime: Component failures in primary crushers or conveyors can halt your entire line, costing thousands per hour in lost production and idle labor.
Inconsistent Throughput: Fluctuations in feed size or hardness often cause chokeups or underutilization, preventing you from consistently hitting the 300tph design capacity.
High Operational Costs: Excessive wear part consumption, inefficient power use across multiple motors, and frequent manual adjustments erode profit margins.
Poor Final Product Control: Inability to precisely adjust crusher settings leads to offspec aggregate, increasing waste and reducing saleable tonnage.
Scalability Limitations: Fixedconfiguration plants struggle to adapt to new project specs or feed materials without major capital expenditure.

Is your primary crushing circuit a source of reliability or a recurring cost center? How would consistent 300tph output with predictable operating costs impact your project timelines and contract bids?

2. PRODUCT OVERVIEW

This product description details a complete, stationary 250300tph Hard Stone Crushing and Screening Plant. This turnkey solution is engineered for highvolume production of aggregates for road base, concrete, and asphalt applications.

Operational Workflow:
1. Primary Reduction: Dumpfed material is consistently reduced by a robust primary jaw crusher.
2. Secondary & Tertiary Crushing: A closedcircuit configuration with a cone crusher further crushes and recirculates oversize material for precise cubical shaping.
3. Size Separation: Multideck vibrating screens accurately separate output into specified aggregate fractions (e.g., 05mm, 510mm, 1020mm).
4. Stockpiling: Finished products are conveyed to designated stockpiles via radial stackers.

Application Scope: Ideal for granite, basalt, river gravel, and other abrasive materials with compressive strength up to 350 MPa. Suitable for large quarry operations and major infrastructure projects requiring sustained, hightonnage output.

Limitations: This plant configuration is designed as a stationary installation. For projects requiring frequent relocation, a modular or mobile system should be considered. Optimal operation requires consistent feed size control at the quarry face.

3. CORE FEATURES

HeavyDuty Primary Crusher | Technical Basis: Deep crushing chamber & optimized nip angle | Operational Benefit: Handles maximum feed size (up to ~750mm) without bridging, reducing need for prescreening | ROI Impact: Higher firstpass reduction lowers load on downstream circuits, improving overall system efficiency by an estimated 812%.
Hydraulic Adjustment & Clearing | Technical Basis: Integrated hydraulic cylinders for CSS adjustment and chamber clearing | Operational Benefit: Operators can make setting changes or clear blockages in minutes from a central location, without manual disassembly | ROI Impact: Reduces downtime for routine adjustments by up to 70% compared to manual shim systems.
PLCBased Automation System | Technical Basis: Centralized programmable logic controller with touchscreen HMI | Operational Benefit: Monitors motor loads, conveyor sequences, and bin levels; automates startup/shutdown sequences; provides fault diagnostics | ROI Impact: Optimizes power consumption and allows operation with fewer personnel, directly lowering cost per ton.
HighCapacity Screening Decks | Technical Basis: Largearea vibrating screens with polyurethane or wire mesh panels | Operational Benefit: Efficient separation at high feed rates minimizes product contamination and recirculation of onspec material | ROI Impact: Increases saleable product yield by ensuring strict adherence to gradation specifications.
Unified Chassis & Walkways | Technical Basis: Plant modules preassembled on structural steel frames with integrated access platforms | Operational Benefit: Simplifies foundation requirements and enhances safety for maintenance personnel during inspections and wear part changes | ROI Impact: Reduces civil works costs during installation and minimizes safety incident risk.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (250300tph Plant) | Our 250300tph Stone Crushing Solution | Advantage (% Improvement) |
| : | : | : | : |
| Availability (Scheduled Hours) | 9092% | 9496% | +4% (Reduced Downtime) |
| Power Consumption (kWh/ton)| Varies widely; often suboptimal load sharing| Optimized circuit design & PLC management| Up to 15% reduction demonstrable |
| Wear Part Life (Mn13/18%)| Baseline reference life| Proprietary alloy options & chamber design extensions| +2035% depending on material |
| Product Shape Index (% Cubical)| ~65% achievable in hard stone| Targeted crusher settings & flow design| >75% consistently achievable |
| Reconfiguration Time (Major Sizes)| Multiple shifts / mechanical crew required| Hydraulic adjustment & modular screen media| Time reduced by approximately 60% |

5. TECHNICAL SPECIFICATIONS

Design Capacity: 250 300 metric tons per hour (varies based on material density & hardness).
Primary Crusher: Jaw Crusher Model [e.g., JC1303], Feed Opening 1300x300mm, Max Feed Size ≤750mm.
Secondary Crusher: SingleCylinder/Hydraulic Cone Crusher Model [e.g., HST315], Fine/Medium Cavity Options.
Screening Equipment: Two units of TripleDeck Vibrating Screen [e.g., S5X3075], Total Screening Area ≥21m².
Power Requirement: Total Installed Power ~550600kW. Main Voltage: 380V/50Hz or customized.
Key Material Specifications: Main frame structural steel Q235B/Q345B; Conveyor belts EP630/4; Screen panels Polyurethane/Wire Mesh optional.
Physical Dimensions (Approx.): Layout length ~85m; width ~25m; max height ~12m. Subject to final configuration.
Environmental Operating Range: Designed for 20°C to +45°C ambient temperature; dust suppression system included.

6. APPLICATION SCENARIOS

Highway Construction Project Aggregate Supply

Challenge: A contractor needed guaranteed supply of over 2 million tons of certified aggregate within an 18month window for a highway project. Their existing setup could not reliably exceed 220tph and produced excessive flaky material.
Solution: Implementation of this complete hard stone crushing plant configured for three finished products (05mm sand substitute). The PLC system ensured consistent throughput tracking.
Results: The plant averaged sustained output of >280tph over the project lifecycle while meeting stringent shape requirements (>78% cubicity), enabling the contractor to complete supply ahead of schedule.

Granite Quarry Expansion

Challenge: A quarry operator expanding into secondary reserves faced highly abrasive granite that was causing premature wear in their secondary crusher every six weeks—a major cost driver leading to frequent shutdowns
Solution Integration of this plant featuring enhanced wearresistant alloys in key crushing zones alongside automated cavity clearing functions specifically chosen for abrasive conditions
Results Field data shows wear part intervals extended by over thirty percent while maintaining throughput targets This translated into two fewer scheduled shutdowns per year saving an estimated five days of lost production annually

7 COMMERCIAL CONSIDERATIONS

Our pricing structure reflects the engineered durability designed into this heavyduty industrial asset

Equipment Pricing Tiers:
Tier I Base Configuration Complete primary secondary screening conveying dust suppression system electrical controls
Tier II Enhanced Configuration Includes Tier I plus automated grease lubrication systems additional spare parts package onboard generator connection
Tier III Turnkey Pro Configuration Full turnkey installation commissioning supervision training extended warranty coverage

Optional Features:
Advanced metal detection tramp iron relief systems remote monitoring telematics package sound attenuation enclosures

Service Packages:
Standard Warranty months parts labor
Platinum Service Plan Annual scheduled maintenance inspections priority parts dispatch discounted wear components
Full Maintenance Contract Fixed annual fee covering all scheduled unscheduled maintenance except consumables

Financing Options:
We work with established partners offer equipment leasing long term rental purchase plans tailored support major capital projects

8 FAQ

What are the foundation requirements?
Detailed civil drawings are provided Concrete foundations are required for primary secondary crushers screeners typically requiring cubic meters total volume specific geotechnical report advised

How many operators are needed?
The automated control system allows efficient operation from central station Typically operators per shift cover supervision basic mechanical checks feeding coordination

Can this plant produce manufactured sand?
Yes With appropriate cone crusher cavity selection screen deck configuration significant proportion mm fines can be shaped into sand meeting most standards Sand washing equipment can be added separately

What is the lead time from order commissioning?
For standard configurations lead time typically ranges months ex works Site preparation foundation pouring should commence parallel Delivery includes technical supervision assembly commissioning operator training

Do you provide performance guarantees?
Yes We provide guaranteed minimum capacity based on defined material characteristics as well as guaranteed maximum power consumption under load These are formalized contractually