Sites de carrière marqués CE dans les usines de Lagos
CE Marked Quarry Sites In Lagos Factories: Industrial Crushing & Screening Solutions for Nigerian Aggregate Operations
The Operational Reality of Lagos Quarry Production
Your Lagos quarry operation faces three compounding pressures: aggregate demand from the LekkiEpe corridor construction boom has increased 40% since 2022, yet your plant availability hovers below 65% due to equipment failures. Each hour of unplanned downtime costs your operation approximately ₦850,000 in lost production and contractual penalties. The regulatory environment now mandates CE certification for all imported processing equipment—noncompliant machinery faces customs seizure and operational shutdowns.
Are your current crushers and screens meeting the 200tonnesperhour throughput your contracts require? Can your plant withstand Lagos’s 8month rainy season without corrosionrelated breakdowns? Do your maintenance logs show recurring bearing failures every 400 heures d'ouverture?
Présentation du produit: CE Marked Quarry Processing Systems
The CE marked quarry equipment deployed across Lagos factories comprises primary jaw crushers, concasseurs à cône secondaires, and tripledeck vibrating screens configured for hard rock processing (granit, gneiss, quartzite). These systems operate through a fivestage workflow:
1. Concassage primaire: 900mm feed material reduced to 150200mm via hydraulic jaw crusher with automatic gap adjustment
2. Concassage secondaire: 1200mm cone crusher reduces material to 2040mm with closedside setting (CSS) of 1825mm
3. Séparation de criblage: 6m x 2.4m tripledeck screen separates into 05mm (poussière de carrière), 515mm (granite chips), 1525mm (agrégat de construction)
4. Washing Stage: Hydrocyclone system removes clay content below 3% for concretegrade aggregate
5. Transport de stocks: 800mm belt conveyors with 200tonneperhour capacity to radial stackers
Champ d'application: Suitable for mediumtolarge quarries (100300 tonnes/heure) processing granite, basalte, et calcaire avec une résistance à la compression jusqu'à 350MPa.
Limites: Not designed for soft rock (limestone below 80MPa) or recycled concrete aggregate without prescreening modifications. Requires minimum 500kVA power supply.
Fonctionnalités principales
Protection contre les surcharges hydrauliques | Base technique: Accumulatorbased pressure relief system | Avantage opérationnel: Empêche les dommages causés au concasseur par des matériaux non écrasables (fer à repasser, forets) | Impact sur le retour sur investissement: Reduces catastrophic failure costs by 75%, extends manganese liner life by 30%
CE Certified Electrical Enclosures | Base technique: IP55rated control panels with IEC 61439 conformité | Avantage opérationnel: Withstands Lagos’s 95% humidity and saltladen coastal air | Impact sur le retour sur investissement: Eliminates electrical fire risk, reduces insurance premiums by 1218%
Système de lubrification automatique | Base technique: Programmable grease injection at 8 bearing points per hour | Avantage opérationnel: Élimine les erreurs de graissage manuel, maintains optimal bearing temperature below 65°C | Impact sur le retour sur investissement: Extends bearing replacement interval from 800 à 2,400 heures d'ouverture
Entraînement à fréquence variable (VFD) Conveyor Control | Base technique: 050Hz motor speed regulation | Avantage opérationnel: Adapte le débit d'alimentation à la charge du concasseur, empêche l'alimentation par étranglement | Impact sur le retour sur investissement: Réduit la consommation d’énergie de 22% par rapport aux systèmes à vitesse fixe
Conception de plate-forme d'écran modulaire | Base technique: Polyurethane panels with 20mm aperture, 45° incline angle | Avantage opérationnel: Quickchange panels in 45 minutes contre 4 heures pour le fil tissé | Impact sur le retour sur investissement: Reduces screen change downtime by 85%, increases annual production by 180 tonnes
Système de suppression de poussière | Base technique: Buses de pulvérisation d'eau à 6 bar pressure with 0.5mm droplet size | Avantage opérationnel: Réduit la poussière de silice respirable ci-dessous 0.05 mg/m³ (NIOSH standard) | Impact sur le retour sur investissement: Avoids NESREA fines of ₦515 million per violation
Plateforme de surveillance à distance | Base technique: IoT sensors transmitting vibration, température, power draw data via 4G | Avantage opérationnel: Realtime alerts for bearing wear, belt slippage, écran aveuglant | Impact sur le retour sur investissement: Réduit les temps d'arrêt imprévus de 40% grâce à la maintenance prédictive
Avantages compétitifs
| Mesure de performances | Norme de l'industrie (NonCE) | CE Marked Quarry Solution | Avantage |
|||||
| Débit (tonnes/heure) | 150180 | 200250 | +33% |
| Temps de disponibilité (%) | 6572 | 8892 | +27% |
| Intervalle de remplacement des roulements (heures) | 8001,200 | 2,4003,000 | +150% |
| Consommation d'énergie (kWh/tonne) | 0.851.10 | 0.650.78 | 23% |
| Émission de poussière (mg/m³) | 0.150.25 | 0.030.05 | 80% |
| CE certification compliance | Non | Full EN 602041 | Regulatory approval |
| Spare parts lead time (jours) | 4560 | 1421 | 65% |
Spécifications techniques
Concasseur à mâchoires primaire (Modèle: C1208)
- Ouverture d'alimentation: 1,200mm x 800 mm
- Capacité: 200350 tonnes/heure (closedside setting dependent)
- Besoin de puissance: 160kW, 415V, 3phase, 50Hz
- Poids: 48,000 kilos
- Matériel: ENGJS5007 ductile iron frame, M13 manganese jaw plates
- Température de fonctionnement: 5°C à 50°C ambiant
- Taille maximale du flux: 250mm
- Plage CSS: 1838mm
- Capacité: 150280 tonnes/heure
- Pouvoir: 220kW, 415V, 3phase, 50Hz
- Lubrification: 80litre reservoir, ISOS VG 150 huile
- Poids: 32,000 kilos
- Deck dimensions: 6,000mm x 2,400mm
- Zone de dépistage: 14.4 m² par terrasse
- Amplitude: 812mm (réglable)
- Moteur: 30kW, 1,470 RPM
- Médias d'écran: Panneaux en polyuréthane, 5mm/15mm/25mm apertures
- Poids: 14,500 kilos
- Humidité: 2098% RH (sans condensation)
- Rainfall: Up to 1,500mm/year (with weatherproof covers)
- Altitude: Sea level to 500m
- Corrosion protection: Hotdip galvanized structural steel, stainless steel fasteners
- Forfait de base (Corbeau à mâchoires + singledeck screen): ₦185220 million
- Forfait standard (Corbeau à mâchoires + concasseur à cône + écran triple pont): ₦410480 million
- Forfait Premium (Full system with VFD, suppression de la poussière, surveillance à distance): ₦580650 million
- Châssis mobile avec béquilles hydrauliques: ₦45 million
- 500kVA diesel generator set: ₦38 million
- 12month extended warranty: 8% de la valeur de l'équipement
- Kit de pièces de rechange (revêtements en manganèse, roulements, ceintures): ₦28 million
- Basique (inspection trimestrielle + surveillance à distance): ₦4.5 million/year
- Standard (monthly inspection + 48heure d'intervention d'urgence): ₦9.8 million/year
- Prime (weekly inspection + 24heure de réponse + formation des opérateurs): ₦18.5 million/year
- 30% acompte, 24bail d'un mois en propriété à 18% intérêt (First Bank of Nigeria)
- 40% acompte, 36month equipment loan at 15% intérêt (Sterling Bank)
- Financement des fournisseurs: 20% dépôt, équilibre 12 monthly installments at 0% intérêt
Concasseur à cône secondaire (Modèle: H4000)
TripleDeck Vibrating Screen (Modèle: TS2460)
Plage de fonctionnement environnementale
Scénarios d'application
Lekki Free Trade Zone Aggregate Supply | Défi: Entrepreneur requis 50,000 tonnes of 20mm granite aggregate within 6 weeks for concrete foundation works; existing plant produced only 180 tonnes/heure avec 70% disponibilité | Solution: Deployed CE marked C1208 jaw crusher and H4000 cone crusher with VFD conveyors; installed dust suppression to meet Lagos State environmental standards | Résultats: Réalisé 245 tonnes/heure de débit, 91% temps de disponibilité terminé 42 jours; livré 49,200 tonnes on schedule; reduced energy cost by ₦4.2 per tonne
Ikorodu Quarry Expansion | Défi: Existing 15yearold crusher lacked CE certification, facing NESREA shutdown order; bearing failures occurred every 350 heures | Solution: Replaced with CE marked TS2460 screen and automatic lubrication system; installed remote monitoring platform | Résultats: Bearing replacement interval extended to 2,800 heures; downtime reduced from 35% à 11%; passed NESREA inspection with 0.04 mg/m³ dust reading
Badagry Road Construction Project | Défi: Contractor needed 05mm quarry dust for asphalt production; existing screening produced 18% matière surdimensionnée | Solution: Installed tripledeck screen with 5mm polyurethane panels and hydrocyclone washing system | Résultats: Oversize reduced to 2.3%; clay content below 2.8%; asphalt plant reported 15% reduction in binder consumption
Considérations commerciales
Niveaux de tarification des équipements (ExWorks Lagos, hors TVA)
Fonctionnalités facultatives
Forfaits de services
Options de financement
FAQ
Q: Does CE certification guarantee acceptance by Nigerian customs and NESREA?
UN: CE marking confirms compliance with EU health, sécurité, et normes environnementales (DANS 602041, DANS 12100). Nigerian Customs accepts CE certification as equivalent to SON standards under the WTO Technical Barriers to Trade agreement. NESREA recognizes CE dust emission testing as meeting their 0.1 mg/m³ limit. Cependant, you must register the equipment with SON within 30 days of import.
Q: Can this equipment process the highsilica granite common in Abeokuta quarries?
UN: Oui. The C1208 jaw crusher handles silica content up to 65% with M13 manganese liners (13% teneur en manganèse). Field data from three Abeokuta operations shows liner life of 4,200 heures à 200 tonnes/heure de débit. For silica above 70%, we recommend upgrading to M18 manganese liners (additional ₦3.2 million).
Q: What is the typical installation timeline from order to production?
UN: Standard timeline: 810 semaines pour la fabrication (Chine), 46 weeks for shipping to Apapa port, 23 weeks for customs clearance, 34 semaines pour l'installation et la mise en service. Total: 1723 semaines. Express shipping (air freight for critical components) reduces timeline by 57 weeks at additional cost of ₦1218 million.
Q: How does the automatic lubrication system perform during Lagos’s rainy season?
UN: The system uses sealed grease lines with IP67rated connectors. Sensors detect water ingress and trigger alarm at 5% teneur en humidité. In field testing during JuneSeptember 2023 (1,200mm rainfall), zero bearing failures occurred across 12 installations. The system automatically increases grease frequency from 1x to 2x per hour during rainfall events.
Q: Quelle est la période de retour sur investissement attendue pour le package Premium?
UN: Basé sur 200 tonnes/heure de débit, ₦12,500/tonne aggregate price, and ₦4,500/tonne operating cost: gross margin of ₦8,000/tonne. À 90% disponibilité (1,800 heures/an), annual production is 360,000 tonnes, generating ₦2.88 billion gross margin. Premium Package cost of ₦650 million yields ROI in 4.5 mois. This excludes energy savings (₦4.2/tonne) et des coûts de maintenance réduits (₦1.8/tonne).
Q: Can the equipment be integrated with existing conveyor systems from other manufacturers?
UN: Oui. The CE marked system uses standard 800mm belt width with 200tonne/hour capacity. Head and tail pulleys are 500mm diameter with 40mm shafts, compatible with most Chinese and European conveyor systems. We provide adapter plates and belt splicing kits for integration. A site survey (₦850,000) is recommended to confirm compatibility.
Q: What training do you provide for local operators?
UN: Standard package includes 5day onsite training covering: crusher operation (gap setting, contrôle de l'alimentation), screen maintenance (remplacement du panneau, tension), lubrication system programming, et les procédures de sécurité (lockout/tagout, confined space entry). Training is conducted in English and Yoruba. Formation avancée (PLC programming, maintenance prédictive) is available at ₦2.8 million for 10 opérateurs.