1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

Managing a Chinese stone quarry crushing plant presents distinct operational and financial pressures. Êtes-vous confronté à ces défis communs?
Temps d'arrêt imprévus: Frequent mechanical failures in crushers or conveyors halt your entire production line, coûtant des milliers de dollars par heure en perte de production et en main d'œuvre inutilisée.
Gradation du produit incohérente: Les fluctuations de la taille finale des granulats entraînent le rejet du produit, forcing reprocessing and damaging your reputation with asphalt and concrete batch plant customers.
Consommation élevée de pièces d’usure: La nature abrasive du granit, basalte, ou le calcaire dégrade rapidement les revêtements, mâchoires, et des barres de soufflage, creating unsustainable costs for spare parts inventory and replacement labor.
Inefficacité énergétique: Plus vieux, singlestage or poorly configured crushing circuits consume excessive power per ton of processed material, érosion des marges bénéficiaires.
Conformité à la poussière et au bruit: Increasingly stringent environmental regulations require significant investment in control systems to avoid fines and operational shutdowns.

How do you transform these cost centers into controlled variables? La solution réside dans la spécification d'un, integrated Usine de concassage de carrière de pierre chinoise designed for total cost of ownership.

2. APERÇU DU PRODUIT

Un moderne Usine de concassage de carrière de pierre chinoise is a stationary or semimobile hard rock processing system engineered to transform blasted quarry feed (généralement 0750 mm) into precisely graded commercial aggregates (par ex., 05mm, 510mm, 1020mm). It is not a single machine but a synchronized circuit of primary, secondaire, and tertiary crushing stages with integrated screening and material handling.

Flux de travail opérationnel:
1. Réduction primaire: Dump trucks feed blasted rock into a primary jaw crusher for initial size reduction.
2. Présélection & Concassage secondaire: A vibrating grizzly feeder removes fines before coarse material is conveyed to a secondary cone crusher for further reduction.
3. ClosedCircuit Tertiary Crushing & Dépistage: Material is then screened; oversize is recirculated through a tertiary cone or impact crusher in a closed loop to achieve precise final gradation.
4. Stockage: Les granulats de taille correcte sont transportés vers des stocks désignés via des empileurs radiaux.

Champ d'application & Limites:
Portée: Optimized for mediumtohigh volume production (150800 TPH) of construction aggregates from hard rock (résistance à la compression >150MPa). Ideal for largescale infrastructure projects requiring consistent, highspecification material.
Limites: Not suitable for soft minerals or sandonly production without significant circuit modification. Requires substantial capital investment and prepared site infrastructure (fondations, power supply).

3. CARACTÉRISTIQUES PRINCIPALES

Système de contrôle intelligent | Base technique: PLCbased automation with load & level sensors | Avantage opérationnel: Optimizes feed rates and crusher settings in realtime to prevent choking or running empty | Impact sur le retour sur investissement: Les données de terrain s'affichent jusqu'à 15% higher throughput and consistent product quality with less operator intervention.

Construction de concasseur robuste | Base technique: Highstrength alloy steel castings with reinforced stress points | Avantage opérationnel: Withstands continuous shock loading from hard rock, prolonger la durée de vie des principaux composants | Impact sur le retour sur investissement: Réduit le risque de défaillance catastrophique du cadre, minimizing multiday downtime events.

Conception de convoyeur modulaire | Base technique: Sections boulonnées avec rouleaux normalisés & lecteurs | Avantage opérationnel: Simplifies maintenance and allows for future plant reconfiguration or expansion | Impact sur le retour sur investissement: Cuts conveyor repair time by an average of 30% par rapport aux conceptions soudées.

Intégration avancée de suppression de la poussière | Base technique: Strategically placed nozzles with solenoid valves tied to crusher operation | Avantage opérationnel: Activates only when material is moving, effectively suppressing dust at source points | Impact sur le retour sur investissement: Reduces water consumption by ~40% while ensuring compliance, avoiding regulatory fines.

Graissage centralisé & Lubrification | Base technique: Automated system delivering precise grease volumes to multiple bearing points | Avantage opérationnel: Ensures critical bearings are lubricated without manual error during operation | Impact sur le retour sur investissement: Les tests de l'industrie démontrent un 50% réduction des défaillances liées aux roulements.

Hybrid Power Configuration Options | Base technique: Plant sections can be driven by electric motors or diesel generators | Avantage opérationnel: Provides operational flexibility in quarries with unstable grid power or during phased electrification | Impact sur le retour sur investissement: Enables continuous operation; fuel savings can reach 60% when running on grid power.

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Norme de l'industrie (Legacy Plants) | Our Chinese Stone Quarry Crushing Plant Solution | Avantage (% Amélioration) |
| : | : | : | : |
| Efficacité globale de l'équipement (OEE) | ~7075% due to unplanned stops & speed losses| Ciblé >82% grâce à une conception robuste & automation| +1015% disponibilité durable |
| Coût par tonne (Fonctionnement)| Écart élevé; elevated wear part & coût de l'énergie| Controlled through optimized chamber designs & des entraînements efficaces| Des réductions documentées de 1825% |
| Consommation de métaux d’usure (g/tonne)| Varie considérablement; often not systematically tracked| Lower specific consumption via applicationengineered alloys| Jusqu'à 30% improvement based on rock abrasivity |
| Installation / Temps de reconfiguration| Weeks for major layout changes| Days due to modular conveyors & preengineered foundations| Time savings exceeding 65% |
| Fine Aggregate Yield (05mm)| Often treated as byproduct with low value| Maximized through dedicated tertiary shaping circuit| Can increase saleable product yield by up to 20% |

5. SPÉCIFICATIONS TECHNIQUES

Plage de capacité conçue: Configurable à partir de 200 à 600 Tonnes par heure (TPH), depending on rock hardness (<180Résistance à la compression MPa) and required product mix.
Options du concasseur primaire: Curseur de mâchoire (Série PEV), Feed Opening from 750x1060mm up to 1500x2000mm.
Concasseurs secondaires/tertiaires: Concasseurs à cône hydrauliques multicylindres (Série HPS), with chambers optimized for either secondary reduction or tertiary shaping.
Exigences d'alimentation: Total installed power typically ranges from 450kW to 900kW for the full electric configuration. Exigence de tension primaire: 10kV/50Hz.
Spécifications des matériaux clés: Châssis principal fabriqué en acier Q345B; Crusher mantles/liners available in Mn18Cr2 or TIC insert alloys for extended service life.
Empreinte typique de l'usine: Approximately 80m (L) x 45m (W) for a complete threestage circuit. Height restrictions apply due to screen towers.
Plage de fonctionnement environnementale: Conçu pour des températures ambiantes de 20°C à +45°C. Le contrôle des émissions de poussières atteint <20mg/m³ at point of discharge.

6. SCÉNARIOS D'APPLICATION

Highway Base Layer Production

Défi: A provincial highway project required over 2 million tons of precisely graded crushed granite (31.5mm vers le bas). The contractor's existing plant could not maintain consistent gradation, leading to compaction issues on site.
Solution: Implementation of a turnkey Chinese Stone Quarry Crushing Plant featuring an advanced threestage circuit with two screening decks for tight control.
Résultats: Achieved consistent production meeting GB/T 14685 normes. Disponibilité des plantes atteinte 85%, delivering the required volume two weeks ahead of schedule.

Urban Readymix Concrete Aggregate Supply

Défi: A quarry supplying metroarea concrete batching plants faced complaints about flaky particle shape and excessive fines (<0.075mm) impacting concrete workability and strength.
Solution: Integration of a specialized tertiary shaping cone crusher in closed circuit configuration within their existing Chinese Stone Quarry Crushing Plant upgrade.
Résultats: Particle cubicity rating improved by over 35%. Fines generation was reduced by 22%, resulting in premium pricing for aggregates and reduced cement demand for customers.

7. CONSIDÉRATIONS COMMERCIALES

Our Chinese Stone Quarry Crushing Plants are offered under clear commercial frameworks:
Niveaux de tarification: Based on capacity and complexity
Niveau I (200300 TPH): Standardized threestage plant
Niveau II (300500 TPH): Semicustomized plant with highercapacity units
Niveau III (500+ TPH): Fully customized circuit engineering
Fonctionnalités facultatives: Onboard air compressors, automatic metal detection/tramp iron relief systems, advanced vibration monitoring sensors, enclosed conveyor galleries.
Forfaits de services: Choisissez parmi les plans d'inspection annuels, guaranteed spare parts delivery programs (par ex., 48hour critical parts dispatch), or fullsite operation & contrats d'entretien.
Options de financement: Collaborate with our affiliated financial partners for leasing structures or equipment loans tailored to match your project cash flow timelines.

8. FAQ

1. Q1 Is this crushing plant compatible with our existing primary jaw crusher?
A1 Potentially yes. Our engineering team specializes in designing downstream secondary/tertiary circuits that integrate with existing primary units after a thorough audit of your current equipment's condition and output capabilities.

2 Q2 What is the expected impact on our daily operational labor requirements?
A2 A wellautomated Chinese Stone Quarry Crushing Plant typically requires fewer personnel for direct operation compared to older plants but may require more skilled technicians for monitoring and preventive maintenance—a net shift rather than just a reduction.

3 Q3 How long does commissioning take from delivery?
A3 For a standard configuration plant with prepared foundations, mechanical commissioning takes approximately 46 weeks followed by another week of performance testing using your site materials

4 Q4 What are the payment terms?
A4 Standard terms involve progress payments tied to key milestones such as contract signing major component shipment arrival at port FOB China factory acceptance test completion

5 Q5 Can you guarantee final product gradation curves?
A5 We guarantee that the equipment as supplied is capable of producing specified gradations within its design parameters Final product consistency however also depends on consistent feed material characteristics which we help you manage through process guidelines