1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

Managing a sand and gravel processing plant presents distinct operational hurdles that directly impact your bottom line. Êtes-vous confronté à des matières d'alimentation incohérentes provoquant des blocages fréquents du concasseur et des temps d'arrêt imprévus ?? Are escalating energy costs from inefficient crushing and screening cycles eroding your profit margins? Perhaps you are facing strict environmental regulations on water usage and dust control, requiring costly mitigation systems. Each hour of unscheduled maintenance or suboptimal yield represents a direct loss in production volume and revenue. Comment pouvez-vous obtenir des résultats cohérents, speconspec aggregate output while controlling operational expenses and meeting environmental compliance? The solution lies in a precisely engineered Usine de traitement d'extraction de gravier de sable chinois.

2. APERÇU DU PRODUIT

UN Usine de traitement d'extraction de gravier de sable chinois is a fully integrated, stationary or semimobile material handling system designed for the highvolume production of construction aggregates from quarryrun material. Its operational workflow is engineered for continuous, efficient processing:

1. Concassage primaire & Alimentation: Runofquarry material is fed via vibrating grizzly feeder to a primary jaw crusher for initial size reduction.
2. Secondaire & Concassage Tertiaire: Le matériau est acheminé vers le secondaire (par ex., concasseur à cône) and possibly tertiary crushers for further reduction to desired chip sizes.
3. Dépistage & Classification: Multipledeck vibrating screens separate crushed material into precise product fractions (par ex., granulat grossier, sable).
4. Lavage des matériaux & Assèchement: For projects requiring clean aggregates, sand screws or cyclones wash and dewater fine materials.
5. Stockage & Chargement: Finished products are conveyed to segregated stockpiles for direct loadout.

Champ d'application: Ideal for medium to largescale aggregate production supporting infrastructure, béton prêt à l'emploi, and asphalt projects.
Limites: Plant configuration is highly sitespecific; optimal performance requires proper geological assessment of feed material (abrasivité, teneur en argile) pendant la phase de conception.

3. CARACTÉRISTIQUES PRINCIPALES

Conception modulaire | Base technique: Préconçu, skidmounted or trailermounted plant sections | Avantage opérationnel: Réduit considérablement les travaux de génie civil sur site et le temps d'installation, permettant une mise en service plus rapide | Impact sur le retour sur investissement: Des coûts d'installation inférieurs et un démarrage plus rapide de la production améliorent la période de récupération du projet.

Intelligent Crushing Chamber | Base technique: Liner profile geometry optimized via DEM simulation for specific rock types | Avantage opérationnel: Favorise le broyage des interparticules, increases throughput, et produit une forme de produit plus cubique | Impact sur le retour sur investissement: Higher yield of premiumgrade aggregate and reduced liner wear cost per ton.

Système de contrôle PLC centralisé | Base technique: Contrôleur logique programmable avec interface homme-machine (IHM) monitoring all motor loads, vitesses du convoyeur, et niveaux des bacs | Avantage opérationnel: Allows operators to optimize feed rates and diagnose bottlenecks from a single station, reducing manpower requirements | Impact sur le retour sur investissement: Prevents costly overloads and enables datadriven decisions to maximize tonsperhour efficiency.

Intégration de la suppression de la poussière en plusieurs étapes | Base technique: Strategically placed spray nozzles at transfer points coupled with baghouse filter options | Avantage opérationnel: Contrôle activement les particules en suspension dans l'air à la source, ensuring a safer work environment and regulatory compliance | Impact sur le retour sur investissement: Avoids fines from environmental agencies and reduces healthrelated absenteeism.

HighEfficiency Screening Media | Base technique: Polyurethane or rubber screen panels with tailored aperture design | Avantage opérationnel: Réduit l'aveuglement et le rattachement, maintains consistent screening efficiency even with damp feed material | Impact sur le retour sur investissement: Higher quality product separation minimizes recirculation load, saving energy and increasing net output.

Système de convoyeur robuste | Base technique: Channel frame construction with impact idlers at loading zones and abrasionresistant belting | Avantage opérationnel: Handles peak loads with minimal spillage or belt damage, ensuring continuous material flow | Impact sur le retour sur investissement: Decreases conveyor maintenance downtime by up to 40% compared to lightweight systems.

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Référence des normes de l'industrie | Our Chinese Sand Gravel Processing Plant Solution | Avantage (% Amélioration) |
| : | : | : | : |
| Disponibilité globale de l'usine (Exécution planifiée) | 8590% (prise en compte de la maintenance planifiée) >90% through robust component selection & redundancy design >5% augmenter |
| Consommation d'énergie par tonne traitée (kWh/t) Varie selon le type de roche; target of 1.8 2.2 kWh/t Optimized crushing stages & highefficiency motors reduce target range to 1.6 1.9 kWh/t Up to 15% réduction |
| Finished Product Yield (Matériau InSpec) ~9295% yield Advanced screening logic & chamber optimization achieves >96% yield ~24% increase in saleable product |
| Temps moyen entre les pannes (MTBF) Key Crushers ~1,500 hours Premium bearings & protective systems extend MTBF to >2,000 heures >30% amélioration |

5. SPÉCIFICATIONS TECHNIQUES

Plage de capacité de conception: Configurable à partir de 150 à 800 tonnes par heure (TPH), en fonction de la dureté du matériau alimenté (par ex., calcaire vs. granit) et mélange de produits finaux.
Exigence d'alimentation primaire: La charge totale connectée varie généralement de 400 kW à 1.2 MW for a full plant; supplied for 50Hz / 380V440V threephase power.
Spécifications des matériaux clés: Châssis du concasseur primaire construit à partir de tôles d'acier soudées (Q345B); liners use high manganese steel (Mn18Cr2) or tungsten carbide inserts; conveyor belts rated for minimum RUBBER GRADE DINY.
Dimensions physiques (Exemple 250 Usine TPH): Approximate footprint of 80m (L) x 45m (W). La conception modulaire permet une adaptation flexible de la disposition.
Plage de fonctionnement environnementale: Conçu pour des températures ambiantes de 20°C à +45°C; dust emission control achieves ≤20mg/m³ at outlet; noise level at perimeter ≤75dB(UN).

6. SCÉNARIOS D'APPLICATION

LargeScale Infrastructure Project Supply

Défi: A regional contractor needed a guaranteed supply of over 2 million tons of road base and concrete aggregates within an 18month period for a highway project, with strict gradation control.
Solution: Implementation of a turnkey Chinese Sand Gravel Mining Processing Plant featuring tertiary crushing circuit and dual sand washing systems.
Résultats: The plant achieved consistent production of over 550 TPH net yield, met all gradation specifications without deviation, and completed the supply commitment two months ahead of schedule.

River Pebble Processing for HighQuality Concrete Sand

Défi: A readymix producer sought to process hard, abrasive river pebbles into highquality manufactured sand but faced excessive wear on conventional equipment.
Solution: A specialized processing plant configuration utilizing a vertical shaft impact (TOUT LE MONDE) crusher as the tertiary stage with ceramic wear parts.
Résultats: Field data shows the plant produced inspec concrete sand with optimal fineness modulus while reducing wear part consumption by approximately 35%, lowering cost per ton significantly.

7. CONSIDÉRATIONS COMMERCIALES

Our Chinese Sand Gravel Mining Processing Plants are offered in structured tiers:

Niveau de configuration standard: Comprend le concassage du noyau, dépistage,and conveying modules for basic aggregate production.Pricing is projectdefined based on capacity.
Niveau de configuration amélioré: Adds integrated washing systems,dust collection units,and advanced automation controls.Pricing includes these valueadded modules.
Fonctionnalités facultatives: Mobile primary crushing unit feeder,custom color painting,surge capacity silos,and remote monitoring telematics packages are available.
Forfaits de services: Choose from comprehensive offerings including supervised installation commissioning,a oneyear warranty with parts,virtual training,and extended preventive maintenance contracts.
Options de financement: We facilitate equipment financing through partner institutions offering leasetoown structures or term loans typically ranging from 24 60 months subject to credit approval

8.FAQ

Q What if my quarry s feed material hardness changes over time?
A Our plants are designed with adjustable crusher settings hydraulic tramp release systems allowing operators tune the crushing chamber accommodate variations rock compressive strength without major modification

Q How does this plant integrate with my existing front end loaders haul trucks?
A The plant s receiving hopper dimensions apron feeder speed are configured match your specific loading equipment ensuring smooth interoperable workflow prevent truck queuing

Q What typical delivery installation timeline can expect after order placement?
A For standard configuration plants delivery occurs within 16 weeks FOB China Supervised installation commissioning requires additional 4 weeks site depending complexity Local civil works must completed prior arrival

Q Are spare parts readily available long term?
A We maintain global consolidated inventory critical wear parts guarantee availability support fast shipping minimize potential downtime events

Q Can system be expanded future increased production needs?
A Yes modular design principle allows addition extra screening decks supplementary washing modules even secondary crushing units expand capacity modify product mix

Q Quelle formation des opérateurs a été fournie?
A Purchase includes detailed operational manuals onsite training sessions our engineers during commissioning covering routine operation basic troubleshooting safety procedures