1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

Managing a quarry site in a highdensity, logistically complex environment like Lagos presents distinct operational hurdles. Are you contending with inconsistent feed material from multiple sources, leading to premature crusher wear and unpredictable final product gradation? Is your primary crushing stage a bottleneck, causing costly downstream equipment idle time and failing to meet the highvolume demands of Lagos’s construction boom? En outre, does the need for frequent manual adjustment and reconfiguration to handle varying rock types reduce your plant’s overall equipment effectiveness (OEE) et augmenter les coûts de main d'œuvre? These challenges directly impact your bottom line through increased maintenance spend, heures de production perdues, and an inability to reliably fulfill largescale contracts. La question centrale pour les directeurs d'usine est la suivante: how can you establish a primary crushing setup that ensures consistent throughput, minimise les temps d'arrêt imprévus, and adapts to variable feed conditions without sacrificing efficiency?

2. APERÇU DU PRODUIT

Le Mobile Primary Jaw Crusher with Integrated Grizzly Feeder is a selfcontained, trackmounted crushing unit designed for the first reduction of quarryrun rock. It is engineered specifically for deployment at Lagos quarry sites and assembly plants where rapid setup, mobility between faces, and processing of variable material are critical.

Flux de travail opérationnel:
1. Alimentation & Pré-écran: Quarryrun material is loaded into the integrated vibrating grizzly feeder (VGFF VGF), which separates fines prior to crushing, réduisant la charge et l'usure du concasseur.
2. Concassage primaire: Oversize material is conveyed into the highcapacity jaw crusher chamber, where a robust flywheel and deep crushing chamber facilitate consistent size reduction.
3. Transport du produit: Crushed material is discharged via a product conveyor at a regulated height for direct stockpiling or feeding into a secondary crushing or screening circuit.

Champ d'application: Idéal pour le traitement du granit, calcaire, and other hard rock quarried in SouthWest Nigeria. Suited for multisite operators requiring relocation flexibility.

Limites: Non conçu comme une usine de produits finis autonome; requires secondary/tertiary stages for precise aggregate grading. Maximum feed size is constrained by crusher inlet dimensions.

3. CARACTÉRISTIQUES PRINCIPALES

Concasseur à entraînement direct | Base technique: Moteur à couple élevé directement couplé à l'arbre d'entraînement du concasseur via un accouplement hydraulique | Avantage opérationnel: Élimine le glissement et l'entretien de la courroie trapézoïdale, provides maximum power transfer even under high load | Impact sur le retour sur investissement: Reduces energy loss by up to 8% versus traditional drives and lowers longterm replacement part costs.

Mangeoire vibrante robuste pour grizzlis (VGFF VGF) | Base technique: Boltless Mn steel liners with adjustable grizzly bar spacing | Avantage opérationnel: Scalps fines effectively, protects crusher from unnecessary abrasion, allows onsite adjustment for different material profiles | Impact sur le retour sur investissement: Extends jaw die life by an estimated 3040%, directly reducing consumables expenditure.

Intelligent Hydraulic Setting Adjustment | Base technique: PLCcontrolled hydraulic cylinders for wedge adjustment | Avantage opérationnel: Enables remote closedside setting (CSS) adjustment in minutes without manual intervention, même pendant le fonctionnement | Impact sur le retour sur investissement: Minimizes changeover downtime by over 70%, augmentation de la disponibilité des plantes pour la production.

TrackMounted Mobility with Leveling System | Base technique: Hydraulically driven crawlers with independent proportional control and autoleveling jacks | Avantage opérationnel: Enables fast relocation between quarry faces (<30 min setup) and stable operation on uneven ground | Impact sur le retour sur investissement: Maximizes resource utilization from multiple pits with a single primary unit, deferring capital expenditure on additional fixed plant.

Système avancé de suppression de la poussière | Base technique: Pressurized water spray bars with solenoid valves at all transfer points | Avantage opérationnel: Réduit considérablement les particules en suspension dans l'air, ensuring compliance with environmental standards and improving site working conditions | ROI Impact Mitigates risk of regulatory work stoppages and associated project delays in sensitive urban fringes.

Étage 4 Final / EU Stage V Compliant Engine | Base technique: Selective Catalytic Reduction (RCS) and Diesel Particulate Filter (DPF) technologie | Operational Benefit Delivers full power while meeting stringent emissions regulations for operation in varied locations | ROI Impact Futureproofs your investment against evolving environmental legislation in industrial zones.

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Industry Standard Mobile Jaw Crusher | Our Mobile Primary Jaw Crusher Solution | Avantage (% amélioration) |
| : | : | : | : |
| Tonnes moyennes par heure (Granit dur) | 280 320 tph | 350 390 tph | +18% Débit |
| Temps de réglage du réglage du broyeur (Mécanique vs. Hydraulique) | 45 60 minutes (manuel) | <10 minutes (hydraulique à distance) | 85% Temps d'arrêt |
| Consommation de carburant par 100 Tons Crushed| ~1214 liters / 100t| ~911 liters / 100t| ~20 % d'amélioration|
| Durée de vie des pièces d'usure (Jaw Dies abrasive rock)| ~120 000 tonnes| ~160,000 tons| +33% Lifespan|
| Déménagement & Temps d'installation (with leveling)| ~6090 minutes|<30 minutes|60% Temps

_Field data based on controlled operational comparisons in similar geological conditions._

5. SPÉCIFICATIONS TECHNIQUES

Modèle de concasseur: Concasseur à mâchoires robuste JC5460
Ouverture d'alimentation: 1400mm x 1100mm
Taille maximale d'alimentation: 1000mm longueur du bord
Puissance du moteur: Caterpillar C18 ACERT™, 571 kW (765 HP), Étage 4 Final
Integrated Feeder: VGF6024 Vibrating Grizzly Feeder with 75mm stepdeck grizzly section
Dimensions de transport: Longueur: 17.5m / Largeur: 3.5m / Hauteur: 4.2m
Poids opérationnel: Environ 98,000 kilos
Convoyeur de produits: Discharge height adjustable up to 4m; width 1400mm
Spécifications matérielles: Châssis principal fabriqué en acier à haute résistance; jaw dies manufactured from 18% Acier au manganèse.
Plage de fonctionnement environnementale: Température ambiante 20°C à +45°C; système de suppression de poussière conçu pour fonctionner jusqu'à 85% humidité relative.

6. SCÉNARIOS D'APPLICATION

LargeScale Granite Quarry Serving LagosIbadan Expressway Projects |

Challenge A major quarry operator faced inconsistent feed from three separate pits, causing frequent jaw crusher chokeups and erratic output to their fixed secondary plant.
Solution Deployment of one mobile primary jaw crusher with adjustable VGF was rotated between the three pits based on blasting schedules.
Results The mobile unit processed variable feed effectively at each location. Plant throughput stabilized at an average of 365 tph; choke events were reduced by 90%. The consistent precrushed material improved overall plant OEE by 22%.

Urban Aggregate Recycling & Quarry Assembly Plant |

Challenge An assembly plant processing demolition concrete and natural rock required rapid configuration changes but had limited space for multiple fixed machines.
Solution A single trackmounted primary jaw crusher with hydraulic CSS adjustment handled both recycled concrete (avec barres d'armature) and virgin limestone.
Results Changeover between material types was achieved in under 15 minutes via remote CSS adjustment. The unit's mobility allowed optimal positioning within the confined yard layout. Metal detection systems prevented tramp metal damage.

7. CONSIDÉRATIONS COMMERCIALES

Niveaux de tarification:

1. Base Equipment Package Includes core mobile jaw crusher with standard features.
2 Production Optimization Package Adds advanced dust suppression system onboard power pack for conveyors extended warranties on drivetrain components.
3 Premium Turnkey Package Includes delivery commissioning supervision operator training initial set of wear parts

Fonctionnalités facultatives:
Hydraulic breaker attachment bracket oversize stone handling kit magnetic separator retrofit extended main conveyor kits

Forfaits de services:
Planned Maintenance Agreements offering scheduled parts replacement at fixed cost Comprehensive Service Contracts covering all labor parts excluding wear items Remote Monitoring Telematics subscription

Options de financement:
Capital lease operating lease structures available tailored rentaltoown programs projectbased financing through partner institutions

8 FAQ

What is the expected output gradation after the primary crushing stage?
Output gradation is primarily determined by the closedside setting CSS With typical Lagos granite feed expect approximately 7080 of output below 150mm when CSS is set at 125mm Exact curve depends on rock fracture characteristics

How does this unit handle lateritic or claybound material common in some sites?
The heavyduty vibrating grizzly feeder VGF is highly effective at scalping sticky fines before they enter the crusher chamber For severe clay binding optional grizzly deck heating systems are available to prevent blinding

What are the key service intervals major component rebuild timelines?
Industry standard service intervals apply Daily greasing checks weekly inspections Major bearing inspections are recommended at 6000 operating hours Engine overhaul intervals are typically beyond 20000 hours dependent on operating conditions

Is technical training provided for our maintenance crew?
Yes comprehensive onsite operational maintenance training is included with purchase Extended technical training programs are available covering troubleshooting hydraulic systems electrical controls

Quelle couverture de garantie s'applique?
Standard warranty covers defects in materials workmanship for months or 2000 operating hours whichever comes first Extended warranty options cover major structural components powertrain elements up to 36 mois