1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

Are you managing a midtolarge scale aggregate production operation and facing consistent bottlenecks in your primary crushing circuit? Les défis d'une usine de concassage de pierre de 250 300 tph sont importants: unpredictable feed size variations causing crusher stalls, excessive wear part costs from nonoptimized crushing chambers, and unplanned downtime for liner changes that halt your entire production line. Each hour of stoppage can represent thousands in lost revenue and delayed project timelines. Comment obtenir une cohérence, specified product gradation without constant manual adjustment? Can you reduce your cost per ton when processing hard, abrasive materials like granite or basalt? Is your current plant configuration flexible enough to meet changing market demands for different aggregate sizes? La solution ne réside pas seulement dans les machines individuelles, but in a fully engineered and integrated 250300tph stone crushing plant designed for sustained, opération rentable.

2. APERÇU DU PRODUIT

Cette installation de concassage de pierre stationnaire de 250 300 tph est une installation complète, système de traitement de hardrock conçu pour un fonctionnement continu, production en grande série de granulats pour la construction, base de route, et ballast ferroviaire. It is designed as a two or threestage crushing and screening circuit to transform large quarryrun rock (jusqu'à 750 mm) into precisely sized final products.

Flux de travail opérationnel:
1. Concassage primaire: Large dump trucks feed material into a robust primary jaw crusher, which performs the initial size reduction.
2. Intermediate Processing: Crushed material is conveyed to a secondary cone crusher for further reduction. A vibrating screen separates material at this stage, routing onspec product to final stockpiles and oversize material to the tertiary crusher.
3. Tertiary/Final Crushing: Un concasseur à cône tertiaire (or impact crusher for softer rock) provides final shaping and cubicity control.
4. Dépistage & Stockage: Multiple deck screens accurately classify output into 35 specified product sizes, which are conveyed to segregated stockpiles.

Champ d'application: Idéal pour le granit, basalte, calcaire, and other hard rock quarries supplying large infrastructure projects. It is suitable for permanent installation at a quarry site or as a largescale fixed plant for major contractors.

Limites: This is a stationary plant requiring substantial foundation work and electrical infrastructure. Il n'est pas conçu pour des déménagements fréquents. Optimal performance assumes competent feed control and consistent raw material characteristics.

3. CARACTÉRISTIQUES PRINCIPALES

Conception avancée de la chambre de concassage | Base technique: Cinématique assistée par ordinateur & wear material profiling | Avantage opérationnel: Maintains consistent product gradation and crushing force throughout liner life | Impact sur le retour sur investissement: Jusqu'à 15% higher throughput before liner replacement vs. conceptions standards

Système d'automatisation PLC centralisé | Base technique: Contrôleur logique programmable avec interface homme-machine (IHM) | Avantage opérationnel: Allows singleoperator control of entire plant flow, paramètres du concasseur, et diagnostic | Impact sur le retour sur investissement: Reduces labor costs and minimizes human errorrelated stoppages

Mangeoire vibrante robuste pour grizzlis | Base technique: Construction en acier à haute résistance avec barres grizzly réglables | Avantage opérationnel: Élimine les fines avant le concassage primaire et assure une stabilité, controlled feed rate | Impact sur le retour sur investissement: Augmente l'efficacité du concasseur primaire jusqu'à 20% and reduces wear on the crusher itself

Système de convoyeur modulaire avec lits d'impact | Base technique: DIN/ISO standard idlers & reinforced impact zones at transfer points | Avantage opérationnel: Minimizes belt wear and spillage from highdrop points | Impact sur le retour sur investissement: Lowers maintenance costs and extends belt service life by an average of 30%

Système de suppression de poussière intégré | Base technique: Nozzle arrays at key dust generation points tied to process start/stop | Avantage opérationnel: Maintient la conformité réglementaire et améliore les conditions de travail sur le chantier | Impact sur le retour sur investissement: Avoids potential fines and reduces healthrelated absenteeism

Réglage hydraulique & Clairière | Base technique: Concasseurs équipés de systèmes hydrauliques pour le réglage CSS et le dégagement de la chambre | Avantage opérationnel: Enables quick setting changes for product size shifts and reduces downtime from blockages | Impact sur le retour sur investissement: Cuts nonproductive time by approximately 50% during routine adjustments

Robust Structural Steel Fabrication | Base technique: Analyse par éléments finis (FEA) designed supports & passerelles | Avantage opérationnel: Provides longterm stability under high cyclic loads with safe maintenance access | Impact sur le retour sur investissement: Ensures plant integrity over a 15+ year lifespan with minimal structural remediation

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Norme de l'industrie (250300Usine de tph) | Notre solution d'usine de concassage de pierre de 250 300 tph | Avantage (% Amélioration) |
| : | : | : | : |
| Disponibilité globale| ~85% (y compris la maintenance planifiée) |>92% (conçu pour la fiabilité) |>8% augmentation des heures productives |
| Tonnes par pièce d'usure| Varies significantly by rock type |>10% improvement on abrasive granite benchmark| Direct reduction in cost per ton |
| Consommation d'énergie par tonne| Baseline set by standard motor/crusher combos |>5% more efficient through optimized drive systems| Dépenses opérationnelles réduites |
| Indice de cubique du produit| Meets standard ASTM specs |>7% improvement for premium aggregate markets| Valeur du produit plus élevée & marketability |
| Configuration de l'usine & Temps de mise en service| 812 semaines après la livraison des composants |>20% faster due to preassembled modules| Earlier revenue generation |

5. SPÉCIFICATIONS TECHNIQUES

Capacité de débit conçue: 250 300 tonnes métriques par heure (varie en fonction de la dureté du matériau d'alimentation & product size requirements).
Concasseur primaire: Concasseur à mâchoires modèle JCE1302 / Feed Opening 1300mm x 1000mm / Max Feed Size 750mm / Puissance nominale 160200 kW.
Concasseur secondaire: SingleCylinder Hydraulic Cone Crusher / Chamber options available / Puissance nominale 220250 kW.
Concasseur tertiaire: MultiCylinder Hydraulic Cone Crusher or Horizontal Shaft Impact Crusher / Puissance nominale 200315 kW.
Équipement de dépistage: Cribles vibrants robustes à trois étages (23 unités) / Total Screening Area ~2030 sqm.
Exigences d'alimentation: Puissance totale installée environ 8001000 kW; Primary supply voltage requirement of either optional voltage depending on region.
Spécifications des matériaux clés: Châssis principal construit en acier de construction S355JR; Highwear components use Mn18Cr2 or equivalent alloy steel; Conveyor belts rated for minimum .
Dimensions physiques (Empreinte approximative): Length ~80m x Width ~40m x Max Height ~15m (subject to final layout).
Plage de fonctionnement environnementale: Conçu pour des températures ambiantes de 20°C à +45°C; Niveaux d’émission de poussières conformes à <10 Normes mg/Nm³ lorsqu'elles sont utilisées avec un système de suppression.

6. SCÉNARIOS D'APPLICATION

Granite Quarry Supplying Highway Project

Défi: A national highway contractor required consistent, highvolume supply of multiple aggregate sizes (05mm, 510mm,1020mm). The existing plant struggled with low cubicity in the tertiary stage,causing rejection of material,and frequent unplanned downtime.
Solution:A complete turnkey installation was provided,focusing on our multi cylinder hydraulic cone crushers in the tertiary stage knownfor superior particle shape control.The entire electrical control system was automated.
Résultats:The plant achieved a sustained output of280tph.Product cubicity exceeded specification requirements,directly accepted by the project client.Plant availability reached94% over the first12 months of operation.

Limestone Processing for Cement Plant & Commercial Aggregate

Défi:A mining operation neededto maximize yield from their limestone deposit,supplying both sized aggregate tomarketand crushed feedstockto an adjacent cement plant.Inefficient screening was causing crosscontaminationof products.
Solution:A tailored threestagecrushingplantwas engineeredwitha dedicated prescreening scalping unitbeforethe secondarycrusherandhighprecision screenswithair blowersfor fines removal.This created clean separation between commercial aggregateand cement mill feed.
Résultats:The solution increased overall material utilizationby12%,creating twoseparate revenue streamsfromthe samefeedstock.Crosscontaminationwas reducedto under2%,significantly improvingproduct qualityfor both applications.

7.CONSIDÉRATIONS COMMERCIALES

Our approach provides clarityand flexibilityin acquiringa robust stonecrushingplant:

Niveaux de tarification
1.Basic Equipment Package:Covers all primarycrushing,dépistage,and conveying machinery.Startingscope definedby client specifications.
2.Engineered Plant Package:Bundles equipmentwithbasic steel structurefoundation drawings,andcontrol panel.Preferred formost turnkey projects.
3.Full Turnkey Solution:A complete project includingcivil worksinstallationcommissioning,and operator training.Pricedas afixedscope project.

Fonctionnalités facultatives
•Onboard power generation package(diesel)
•Automated lubrication systems
•Advanced rock level sensorsand cavity monitors
•Extendedwear part packages(ensemble initial)
•Noise encapsulation modules

Forfaits de services
•Platinum Support(Annuel):Includes two scheduledmaintenance visitsremote monitoring priority parts dispatch(48hr),and guaranteed96houronsite responsefor critical issues
•Gold Support(Annuel):One scheduledvisitand priority parts dispatch(72hr)

Options de financement
We workwithpartner financial institutionsto offer:
•Capital lease agreements
•Operating lease structures
•Project financingfor qualified largescale developments

8.FAQ

Q:What if my feed rock characteristics vary significantly throughoutthe quarry face?
UN:The hydraulic adjustmenton our cone crushers allows operators tomake closedside setting(CSS)changesin minutesfromthe control roomto compensatefor hardness variations maintainingconsistent output gradation.

Q:What arethe expectedoperating costsper ton foraplantof this capacity?
A.Costper tonis highlymaterialdependent.Field datafromgranite operations shows typicalcosts rangingbetween$1 .50$3 .00USDper tonprocessed inclusiveof powerwear partsand routine laborbut excludingfeedstock acquisition.Thisplant's designfocuses specificallyon minimizingthe largest variable:wears part consumption.

Q.How doesyour automation systemimprove operations?
A.The PLCsystemprovides continuous monitoringof motor loadsconveyor speedsandcrusheroperating parameters.It can automatically adjustfeeder rates topreventcrusherstallingand provide early fault diagnosis reducingmean timeto repair(MTTR).

Q.What foundationworkis required?
A.Detailed geotechnical reportis needed.We provide comprehensive foundationdrawingsfor all majormachinerywhich typicallyrequire significant concretepoursfor theprimarycrusherfeedersandscreenbases.A qualified civil contractoris essential.

Q.Can thisplantbe relocatedin future?
A.As astationaryplantit is designedfor permanentsitingHoweverits modularfabricationallowsfordisassemblyand relocationto anewsite.This processrequires significant planning cranesageand re commissioningbut is feasible comparedto monolithic structures