Title: Comprehensive Technical and Commercial Datasheet for 250–300 TPH Stone Crushing Plant Importers

1. Executive Summary

The 250–300 tons per hour (TPH) stone crushing plant represents a mid-to-high capacity processing solution, ideally suited for large-scale infrastructure projects, commercial aggregate production, and mining operations. This datasheet is designed specifically for importers and procurement professionals seeking to evaluate, specify, and procure such a plant. It provides a detailed technical breakdown, component specifications, operational parameters, logistical considerations, and commercial guidelines. The plant is engineered to process hard rock (granite, basalt, quartzite) and medium-hard stone (limestone, dolomite) into multiple grades of aggregates (0–5 mm, 5–10 mm, 10–20 mm, 20–40 mm) and manufactured sand (M-sand). This document serves as a definitive reference for importers to ensure compatibility with local regulations, site conditions, and end-user requirements.

2. Plant Overview and Capacity Definition

A 250–300 TPH stone crushing plant is a continuous processing system comprising primary, secondary, and tertiary crushing stages, coupled with screening, conveying, and stockpiling equipment. The nominal capacity of 250–300 TPH is typically based on processing medium-hard limestone with a feed size of up to 800–1000 mm and a bulk density of 1.6 tons per cubic meter. Actual throughput may vary depending on feed material hardness, moisture content, and desired product gradation.

Key Performance Indicators (KPIs):

• Rated Capacity: 250–300 metric tons per hour (continuous operation)
• Feed Size (Max): 800–1000 mm (depending on primary jaw crusher opening)
• Final Product Sizes: 0–5 mm (sand), 5–10 mm, 10–20 mm, 20–40 mm (adjustable via screen mesh)
• Product Shape: Cubical (achieved through cone crushers and vertical shaft impactors)
• Power Requirement: 600–900 kVA (depending on motor efficiency and auxiliary loads)
• Operating Hours: 8–12 hours per shift, with recommended 16–20 hours per day for optimal ROI

3. Core Equipment Specifications

3.1 Primary Crushing Unit – Jaw Crusher

• Model: Typically a heavy-duty jaw crusher (e.g., PE-900×1200 or equivalent)
• Feed Opening: 900 mm × 1200 mm
• Max Feed Size: 750–800 mm
• Discharge Setting (CSS): 100–200 mm (adjustable)
• Motor Power: 110–160 kW
• Capacity: 200–350 TPH (depending on CSS and material)
• Features: Hydraulic toggle adjustment, automatic lubrication system, wear-resistant manganese steel jaws

3.2 Secondary Crushing Unit – Cone Crusher (Standard or Coarse)

• Model: Spring or hydraulic cone crusher (e.g., PYB-2200 or HPC-300)
• Feed Size: 100–300 mm
• Discharge Setting: 20–50 mm
• Motor Power: 220–315 kW
• Capacity: 180–350 TPH
• Features: Overload protection, hydraulic clearing, high crushing ratio (6:1 to 8:1)

3.3 Tertiary Crushing Unit – Cone Crusher (Fine) or Vertical Shaft Impactor (VSI)

• Option A: Fine Cone Crusher (e.g., PYZ-2200 or HP-300)
  • Feed Size: 20–80 mm
  • Discharge: 5–20 mm
  • Motor: 220–280 kW
• Option B: VSI Crusher (e.g., VSI-9000 or Barmac-type)
  • Feed Size: 20–50 mm
  • Throughput: 150–300 TPH
  • Motor: 200–400 kW
  • Advantage: Superior cubical shape and sand production (up to 30% of output)

3.4 Vibrating Screens

• Primary Screen: 2-deck or 3-deck inclined screen (e.g., 3YK-2460)
  • Area: 6 m² per deck
  • Motor: 30–45 kW
  • Separation: 40 mm, 20 mm, 10 mm
• Secondary Screen: 3-deck horizontal or circular motion screen (e.g., 3YK-3072)
  • Area: 7.2 m² per deck
  • Motor: 45–55 kW
  • Separation: 20 mm, 10 mm, 5 mm

3.5 Conveying and Feeding System

• Vibrating Feeder: Grizzly type (e.g., ZSW-600×150) with capacity 300–400 TPH
• Belt Conveyors: Width 800–1200 mm, speed 1.0–1.5 m/s, with rubber belts, idlers, and tensioning devices
• Total Conveyor Length: 150–300 meters (depending on layout)

3.6 Electrical and Control System

• Main Control Panel: PLC-based with HMI touchscreen, remote monitoring capability
• Motor Starters: Star-delta or soft starters for all major motors
• Cabling: Armored power cables, control cables, and junction boxes (IP54 rated)
• Power Supply: 380V/440V/660V, 50/60 Hz (customizable per importer’s country)

4. Plant Layout and Configuration

The standard layout is a three-stage closed-circuit configuration:

1. Feed Hopper + Grizzly Feeder: Oversized material ( > 800 mm) is removed via grizzly bars.
2. Primary Jaw Crusher: Reduces feed to 100–200 mm.
3. Vibrating Screen (Primary): Separates material into > 40 mm (returned to secondary crusher) and < 40 mm (sent to secondary screen).
4. Secondary Cone Crusher: Reduces 40–200 mm material to 20–50 mm.
5. Tertiary Crusher (Cone or VSI): Produces final fine aggregates and sand.
6. Final Screening Station: Separates into 0–5 mm, 5–10 mm, 10–20 mm, and 20–40 mm.
7. Stockpiling Conveyors: Radial or fixed conveyors for product storage.

Optional Add-ons:

• Dust suppression system (water spray or baghouse filter)
• Washing system (for producing washed aggregates)
• Magnetic separator (to remove tramp iron)
• Weighbridge and sampling system

5. Operational Parameters and Performance

5.1 Material Specifications

• Hardness: Up to 300 MPa (unconfined compressive strength)
• Abrasion Index: < 0.5 (for VSI operation)
• Moisture Content: < 5% (optimal for screening and crushing)
• Feed Gradation: 0–800 mm (with < 10% fines)

5.2 Energy Consumption

• Specific Power Consumption: 0.8–1.2 kWh per ton of crushed material
• Total Installed Power: 600–900 kW
• Diesel Generator Requirement: 800–1000 kVA (for off-grid operations)

5.3 Wear Parts Life (Based on 16 hours/day operation)

• Jaw Crusher Liners: 3–6 months (depending on material abrasiveness)
• Cone Crusher Mantle & Concave: 4–8 months
• VSI Rotor Tips: 2–4 months
• Screen Mesh: 1–3 months (polyurethane mesh lasts longer)

6. Import Considerations for Procurement

6.1 Shipping and Logistics

• Containerization: Major components (crushers, screens, motors) are shipped in 40-foot open-top or flat-rack containers. Smaller parts (conveyors, electrical panels) in standard 20-foot or 40-foot containers.
• Total Shipment Volume: 8–12 containers (depending on plant configuration)
• Gross Weight: 120–180 metric tons (excluding civil works)
• Port of Loading: Typically Shanghai, Tianjin, or Ningbo (China); Mundra or Nhava Sheva (India); or other major Asian ports.
• Delivery Time: 45–60 days from order confirmation (FOB basis)

6.2 Customs and Documentation

• HS Code: 8474.20 (Crushing or grinding machines for earth, stone, ores)
• Required Documents: Commercial invoice, packing list, bill of lading, certificate of origin, fumigation certificate (for wooden packaging), insurance certificate, and test reports (if required by local standards)
• Import Duties: Vary by country (typically 5–15% for machinery; some countries offer duty exemptions for mining equipment)

6.3 Compliance and Standards

• CE Certification: Required for EU imports
• ISO 9001: Quality management system
• ISO 14001: Environmental management (optional but recommended)
• Local Standards: Check for specific safety and emission norms (e.g., CPCB in India, EPA in USA, or local mining regulations)

7. Commercial Terms and Pricing Guidance

7.1 Price Range (FOB, Ex-Works, or CIF)

• Basic Plant (Jaw + Cone + Screen): USD 350,000 – 500,000
• Full Plant with VSI and Washing System: USD 500,000 – 750,000
• Including Installation and Commissioning: Add 10–15% to equipment cost
• Spare Parts Package (1-year supply): USD 30,000 – 60,000

7.2 Payment Terms

• Typical Structure: 30% advance payment, 60% against shipping documents, 10% after commissioning (or L/C at sight)
• Letter of Credit (L/C): Irrevocable, confirmed L/C is preferred for high-value orders

7.3 Warranty and After-Sales Support

• Warranty Period: 12 months from commissioning or 18 months from shipment (whichever comes first)
• Coverage: Defects in materials and workmanship (excluding wear parts)
• Technical Support: Remote troubleshooting via video call, on-site engineer available at additional cost (USD 200–300 per day plus travel expenses)

8. Risk Assessment and Mitigation

8.1 Common Risks for Importers

• Incorrect Capacity Estimation: Ensure the plant is rated for your specific material (e.g., basalt reduces capacity by 15–20% vs. limestone).
• Spare Parts Availability: Order critical spares (jaw plates, cone liners, screen mesh) with the initial shipment.
• Foundation and Civil Works: Improper foundation design can cause vibration and misalignment. Provide detailed site survey to supplier.
• Power Supply Fluctuations: Install voltage stabilizers or VFDs for sensitive motors.

8.2 Quality Assurance Checklist

• Request factory acceptance test (FAT) before shipment.
• Verify motor efficiency (IE3 or IE4 standard).
• Inspect welding quality and paint thickness (minimum 80 microns).
• Confirm screen mesh aperture tolerance (± 2 mm).

9. Conclusion

The 250–300 TPH stone crushing plant is a robust, high-efficiency solution for large-scale aggregate production. For importers, success hinges on meticulous specification, supplier due diligence, and logistical planning. This datasheet provides a comprehensive framework to evaluate technical compatibility, negotiate commercial terms, and ensure smooth importation. It is recommended to engage a third-party inspection agency for pre-shipment verification and to negotiate a comprehensive service agreement covering installation, training, and spare parts supply. With proper planning, this plant can deliver a return on investment within 12–18 months under favorable market conditions.

10. Appendix: Sample Technical Data Sheet (Abbreviated)

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