1. PAINPOINT DRIVEN OPENING

Are you managing a midtolarge scale aggregate production project where consistent output and operational cost control are paramount? The challenges of a 250300 TPH stone crushing plant are significant. Unplanned downtime from equipment failure can cost thousands per hour in lost production and idle labor. Inefficient crushing circuits and poor particle shape control lead to rejected loads and reduced product value. Rising energy and maintenance costs directly erode your profit margins, while sourcing equipment from multiple vendors creates compatibility headaches and delays.

How do you ensure your capital investment delivers the promised tonnage, year after year? Is your plant designed to minimize labor intensity and maximize component life? Can your supplier provide a singlecontract solution with guaranteed performance metrics? The following overview addresses these critical questions for commercial buyers and project engineers.

2. PRODUCT OVERVIEW

This product is a complete, stationary 250300 TPH Turnkey Stone Crushing Plant, supplied on a contract manufacturing basis. It is engineered for primary, secondary, and tertiary crushing of hard rock (granite, basalt) and abrasive materials to produce highquality aggregates for construction, road base, and concrete applications.

Operational Workflow:
1. Primary Crushing: Large feed material (≤750mm) is reduced by a robust jaw crusher or primary impactor.
2. Secondary Crushing & Screening: Material is conveyed to a cone crusher for further size reduction, then screened to separate finished product sizes.
3. Tertiary/Fine Crushing: Oversize material is routed to an additional cone or VSI crusher for shaping or fine aggregate production.
4. Material Handling & Stockpiling: A network of conveyors, feeders, and transfer points moves material efficiently to final stockpiles.
5. Dust Suppression & Control: Integrated spray systems at transfer points ensure environmental compliance.

Application Scope: Ideal for dedicated quarry operations, large infrastructure projects requiring onsite aggregate production, and commercial aggregate suppliers.
Limitations: Not designed for mobile or semimobile applications; site requires stable foundation preparation; maximum feed size and abrasion index are specified during engineering.

3. CORE FEATURES

Modular Plant Design | Technical Basis: Preengineered, skidmounted or blockmounted assemblies | Operational Benefit: Reduces onsite installation time by up to 40%, ensures precise factory alignment of components | ROI Impact: Faster commissioning accelerates revenue generation; lowers civil works and labor costs.
Intelligent Process Control System | Technical Basis: Centralized PLC with SCADA interface and loadsharing algorithms | Operational Benefit: Operators monitor and optimize the entire circuit from one location; crushers operate at optimal chamber levels | ROI Impact: Prevents chokefeeding or runempty conditions, improving throughput stability and reducing liner wear.
HeavyDuty Vibrating Grizzly Feeder | Technical Basis: Robust sectionalized construction with adjustable grizzly bars | Operational Benefit: Effectively removes fines before the primary crusher and ensures steady, controlled feed | ROI Impact: Increases primary crusher capacity by 1015% and reduces wear on the crusher's lower sections.
HighEfficiency Cone Crushers with Hydraulic Settings Adjustment | Technical Basis: Advanced crushing chamber design combined with hydraulic CSS adjustment and clearing | Operational Benefit: Allows quick product size changes without manual shim adjustments; automatic overload protection safeguards the machine | ROI Impact: Maximizes yield of inspec product; minimizes downtime for routine adjustments; protects major components from tramp metal damage.
Enclosed Conveyor Galleries with Dust Sealing | Technical Basis: Fulllength skirting systems at transfer points with multistage seals | Operational Benefit: Contains dust emissions effectively, improving site safety and environmental compliance | ROI Impact: Reduces material loss as fugitive dust; lowers risk of regulatory penalties; improves worker health conditions.
Centralized Lube & Hydraulic System | Technical Basis: Factoryinstalled lubrication stations for major crusher bearings and hydraulic power units | Operational Benefit: Simplifies routine maintenance checks; ensures consistent lubrication pressure and flow to critical points | ROI Impact: Extends bearing service life by up to 30%; reduces daily maintenance time for operators.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Typical Setup) | This 250300 TPH Plant Solution | Advantage (% Improvement) |
| : | : | : | : |
| Overall Plant Availability (Scheduled Hours) | 9092% | 9496% (based on component selection & system design) | +4% to +6% |
| Energy Consumption per Ton (kWh/t) Benchmarking| Varies widely by rock type (~1.8 2.2 kWh/t)| Up to 12% more efficient through optimized motor selection & load management| Reduces OPEX significantly |
| OnSite Installation & Commissioning Time| 812 weeks after component delivery| 58 weeks, due to modular design & pretesting| Up to 40% faster deployment |
| Liner Change Time (Main Cone Crusher)| 812 hours (manual methods)| 46 hours, facilitated by hydraulic tools & access design| Up to 50% less downtime |

5. TECHNICAL SPECIFICATIONS

Designed Capacity: 250 300 Metric Tons Per Hour (TPH), based on standard material density (1.6t/m³).
Feed Material Size: Maximum ≤750mm edge length.
Final Product Sizes: Configurable from 05mm sand up to 40mm aggregate.
Power Requirements: Total installed power approximately 550 650 kW. Primary supply voltage: 10kV/50Hz or as specified.
Key Material Specifications: Primary crusher frame – welded steel plate (Q345B); Liners – High Manganese Steel (Mn18Cr2) or alternative alloys; Conveyor idlers – CEMA C/D rated sealed bearings.
Physical Dimensions (Approximate Footprint): ~120m (L) x 80m (W), subject to final layout configuration.
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C with appropriate oil selections.

6. APPLICATION SCENARIOS

Highway Construction Project in Mountainous Region

Challenge: Remote project site required highvolume aggregate production from very hard granite (>200 MPa). Logistics made spare part delivery slow, demanding extreme equipment reliability.
Solution: Implementation of a ruggedized 280 TPH plant featuring extraheavyduty jaw crusher, secondary/tertiary cone crushers with advanced chamber designs for abrasive rock, and comprehensive onboard spare parts kit.
Results: Plant achieved sustained output of 275 TPH over an 18month project lifecycle with >95% availability. Consistent cubical product shape met strict highway layer specifications.

Commercial Granite Quarry Expansion

Challenge: Existing quarry needed to increase output without expanding its operational footprint or significantly adding staff. Energy costs were a major concern.
Solution: A compactly designed, highly automated 300 TPH turnkey plant was installed alongside existing operations.
Results: The new plant increased total site output by over60%, while specific energy consumption dropped by9%. The centralized control system allowed itto be managed bythe existing control room staff.

7.COMMERCIAL CONSIDERATIONS

Equipment pricing fort his scale oft urnkey solution is typically tiered basedon configuration:

Tier1(Standard): Includes corecrushing screening ,and basic conveying .Priced fora specific basecapacity .
Tier2(Enhanced): Adds features like automated metal detection /rejection ,advanced dust collection baghouses ,and more extensive walkways /access platforms .
Tier3(Custom): Fully engineered forspecific materials(e.g.,highsilica content )or extreme environments includes comprehensive process automation .

Optional Features:
VSI Crusher formanufactured sand production .
Wheeled mobile primary station forsemiportable flexibility .
Overband magnetfor ferrous metal removal .
Remote monitoring telematics package .

Service Packages:
Standard warranty(12 months ).
Extended warranty&planned maintenance contracts .
Annual inspection&optimization services .
Onsite operator training programs .

Financing Options:
Collaboration withequipment financing partners canprovide leaseto own structures orequipment loans typically overa3–7year term tomatch project timelines .

8.FAQ

Q:What if myfeed material hardness exceeds your standard design parameters?
A:The plantis engineered around your specific material test data provided duringthe quotation process .Crusher models liner metallurgy ,and motor ratings are all selected tomatch your rock characteristics ensuring guaranteed performance .

Q.How many operators are required torun thisplant?
A.Field data shows thatwiththe centralized PLCcontrol system one trained operator inthe control room canmanage the entirecrushing circuit undernormal conditions Oneortwo ground personnel formaterial monitoringand basic mechanical checks are typically sufficient .

Q.Are electrical motors drivesand control gear international standards compliant(e.g.,IEC)?
A Yes Allmajor electrical components are sourcedfrom internationally recognized brands(IEC/NEMA standards )andsupplied withthe necessarycertification documentation fordifferent regional markets .

Q.What isthe typical delivery timeline fromcontract signingtocommissioning?
A Fora standard configuration lead timeis approximately5–6months including detailed engineering manufacturing factory testing disassemblyfor shipment andre assembly onsite Commissioning requires anadditional2–3weeks dependingon site readiness

Q.Do youprovide performance guarantees?
A Yes Ourcontract includes guaranteed capacity basedon agreed material specifications overall plantavailability percentageand productgradation curves Theseare validated duringthe final acceptance testatyour site

Q.Can weintegrate thisnewplantwithour existing screeningor washing equipment?
A Absolutely Theplant’s conveyor interfaces transfer heightsand control system communication protocols(I/O Profibus etc )are designedfor integration into broader existing circuits Thisis detailed inthe pre order engineering phase

Q.What after sales supportis available globally?
A We maintaina networkof authorized service partners formajor regions Additionally weprovide comprehensive technical documentation online parts orderingand direct engineeringsupportfor the lifetimeofthe equipment