1. KHAI THÁC ĐIỀU KHIỂN PAINPOINT

Managing a quarry site in Lagos presents a distinct set of operational and financial pressures. Are you contending with the high cost and logistical complexity of transporting crushed aggregates across the metroplex? Is inconsistent feed material from your primary face causing bottlenecks in your crushing circuit, leading to suboptimal yield? Are you facing excessive downtime due to equipment not engineered for the region's abrasive granite deposits and humid climate? Each hour of unplanned stoppage directly impacts your bottom line, while inconsistent product gradation risks client contracts and project specifications. The core question for commercial buyers and plant managers is this: how do you establish a reliable, highyield secondary processing node to maximize material value onsite and secure your supply chain?

2. TỔNG QUAN SẢN PHẨM

This content outlines the strategic implementation of a stationary secondary and tertiary crushing and screening plant, specifically configured for quarry sites in Lagos. This turnkey solution is designed to process primary crushed granite into precisely graded aggregates (ví dụ., ¾”, ½”, ¾1½”, bụi đá) for direct market supply.

Quy trình hoạt động:
1. Feed Reception: Primary crushed rock (typically 8” from jaw crusher output) is conveyed to a largecapacity surge hopper, regulating feed to the secondary stage.
2. Nghiền thứ cấp & Định cỡ: A robust cone crusher performs intermediate reduction. A primary screen then separates material into onspec product streams and oversize for tertiary processing.
3. nghiền cấp ba & Định cỡ cuối cùng: Oversize is routed to a tertiary impact crusher or fine cone crusher for final shaping and size reduction, then recirculated to screening decks.
4. Dự trữ sản phẩm: Correctly sized aggregates are conveyed to designated stockpiles via radial stackers, minimizing rehandling.

Phạm vi ứng dụng & Hạn chế:
Phạm vi: Ideal for established quarries with consistent primary crushing output, aiming to produce multiple aggregate specifications concurrently for readymix concrete, sản xuất nhựa đường, and construction fill.
Hạn chế: Not a replacement for primary blasting and initial jaw/gyratory crushing. Requires adequate space for plant layout and conveyor systems. Site preparation including a stable, drained platform is essential.

3. TÍNH NĂNG CỐT LÕI

HeavyDuty Cone Crusher | Cơ sở kỹ thuật: Hydraulic adjustment and overload protection system | Lợi ích hoạt động: Cho phép điều chỉnh CSS theo thời gian thực (Cài đặt bên đóng) for product size control and automatic tramp iron release without stopping the crusher. | Tác động ROI: Giảm thời gian ngừng hoạt động ngoài kế hoạch lên tới 80% related to uncrushable material and allows quick product changeovers to meet different order specs.

Màn hình tần số cao MultiDeck | Cơ sở kỹ thuật: Độc lập, variablefrequency vibrators on each screen deck | Lợi ích hoạt động: Provides precise separation of sticky or damp material common in Lagos’ humidity, increasing screening efficiency and product purity. | Tác động ROI: Improves yield of inspec material by an estimated 1525%, giảm chất thải và tối đa hóa trọng tải có thể bán được.

Bôi trơn tập trung & Hệ thống điều khiển PLC | Cơ sở kỹ thuật: Automated lubrication circuits paired with programmable logic controller monitoring | Lợi ích hoạt động: Ensures critical bearings receive timed lubrication, while operators monitor plant performance from a single cabinet with fault diagnostics. | Tác động ROI: Extends component life by up to 30% and reduces manual maintenance labor hours by approximately 20 giờ mỗi tuần.

AbrasionResistant Material Conveying | Cơ sở kỹ thuật: AR400 steel liners at transfer points, 3ply EP conveyor belts with ceramic lagging on drive pulleys | Lợi ích hoạt động: Withstands the highly abrasive nature of Lagos granite, drastically reducing wearrelated tears and spillage. | Tác động ROI: Lowers conveyor maintenance costs and belt replacement frequency by an estimated 40% hàng năm.

Hệ thống khử bụi tích hợp | Cơ sở kỹ thuật: Nozzle arrays at all transfer points fed by a highpressure pump system with water tank capacity for multiple shifts| Lợi ích hoạt động: Actively controls airborne particulate at each stage of processing, supporting compliance with environmental considerations for quarry sites in Lagos.| Tác động ROI: Mitigates risk of operational delays due to environmental complaints and protects vital machinery from dust ingress.

4. LỢI THẾ CẠNH TRANH

| Chỉ số hiệu suất | Tiêu chuẩn ngành (Vùng Lagos) | Our Quarry Plant Solution | Lợi thế (% Sự cải tiến) |
| : | : | : | : |
| Thời gian hoạt động sẵn có | ~7580%, frequent belt/liner wear stops | Mục tiêu >92%, via abrasionresistant design & automated monitoring| +15%+ thời gian hoạt động |
| Tons per Hour Yield (InSpec)| Biến; screening inefficiency can lose ~15% yield| Consistent output; highfrequency screens optimize separation| +18% saleable material per ton fed |
| Tiêu thụ năng lượng mỗi tấn| Fixedspeed drives across conveyors & máy nghiền| PLCoptimized VFDs on conveyors & auxiliary systems| 12% sức mạnh trung bình |
| Maintenance Labor Hours/Month| High due to manual greasing & reactive repairs| Reduced via centralized lube systems & predictive diagnostics| 25% scheduled labor |

5. THÔNG SỐ KỸ THUẬT

Phạm vi công suất: Có thể cấu hình từ 150 – 400 TPH (tấn mỗi giờ) tổng hợp đã hoàn thành.
Yêu cầu về nguồn điện: Total installed power between 350 – 600 kVA, phụ thuộc vào cấu hình. Designed for stable operation on industrial grid or largecapacity generator sets.
Thông số vật liệu: Crusher mantles/concaves in Mn18Cr2 or Mn22Cr2 steel; structural steelwork primed with epoxy anticorrosion coating suitable for coastal/humid environments.
Kích thước vật lý chính (Thiết lập điển hình): Plant footprint approx. 35m L x 22m W x 15m H (including conveyors). Modular design allows phased installation.
Phạm vi hoạt động môi trường: Designed for ambient temperatures of 20°C – 45°C; độ ẩm lên đến 95%; dust suppression system rated for operation within local regulatory guidelines.

6. KỊCH BẢN ỨNG DỤNG

Mỏ đá granite quy mô lớn (Trục Lekki) | Thử thách: Inability to meet simultaneous demand for multiple aggregate grades from major road contractors and batching plants, leading to lost contracts and high transport costs from distant processing sites.| Giải pháp: Deployment of a 300 TPH tertiary crushing & screening plant with four final product conveyors.| Kết quả: Enabled onsite production of four certified aggregate grades concurrently. Reduced reliance on external processors, increasing margin per ton by over 22% within one fiscal year.

MidSize Quarry Expanding Product Line (Ibadan Expressway Corridor)| Thử thách: Existing twostage plant produced only base material; market demand was shifting towards highervalue washed aggregates for concrete.| Giải pháp: Integration of our secondary/tertiary plant module with a fines recovery screw classifier system.| Kết quả: Added three premium aggregate products to their catalog without expanding primary extraction volume. Captured new contracts from two major readymix companies within six months.

7. CÂN NHẮC THƯƠNG MẠI

Bậc định giá thiết bị: Capital expenditure scales with capacity automation level:
Cấp A (150200 TPH): Standard configuration with manual adjustments.
Cấp B (250350 TPH): Recommended configuration featuring PLC control semiautomated setting adjustment.
Cấp C (400+ TPH): Full plant automation advanced wear monitoring telemetry capabilities.
Tính năng tùy chọn: Onboard diesel power pack genset), washing scrubber attachment dust extraction baghouses specific stockpile capacity radial stackers extended length).
Gói dịch vụ: Available options include annual preventive maintenance contracts guaranteed spare parts delivery timeslot priority technical support packages comprehensive operator training programs conducted onsite Lagos).
Tùy chọn tài chính: Collaboration financial institutions can facilitate equipment leasing structures capital loans tailored project finance solutions typical terms ranging months).

8.Câu hỏi thường gặp

1.Q:What if my primary crusher output size varies?
MỘT:The surge hopper buffer capacity our secondary circuit designed handle reasonable feed variation The hydraulic adjustment cone crusher can compensate realtime maintain consistent product size

2.Q How quickly can this plant be commissioned after delivery?
A With complete foundation drawings prepared advance typical commissioning period supervised our engineers ranges weeks depending complexity This includes calibration full operator training

3.Q What are ongoing operational costs main wear parts?
A Primary consumables are crusher liners screen meshes conveyor skirting Based field data processing Lagos granite liner life expectancy ranges operating hours Cost per ton consumables provided detailed breakdown proposal

4.Q Is technical support available locally Lagos?
A We maintain dedicated service team based Lagos holding critical spare parts inventory Additionally remote diagnostic support available via PLC connection expedite troubleshooting

5.Q Can this plant be relocated another site future?
A Yes The modular skidmounted design allows disassembly relocation Major components engineered facilitate breakdown transport standard heavyduty trailers

6.Q What typical ROI period investment?
A Based historical projects similar scale key variables are your current cost outsourcing processing lost margin opportunity Improved efficiency reduced downtime typically yield ROI months depending utilization rate product pricing

7.Q Bạn có cung cấp đảm bảo về hiệu suất không?
A Yes Our proposals include guaranteed minimum throughput capacity under defined conditions maximum power consumption per ton processed These backed contractual terms