1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

Is your coke screening operation facing persistent, des inefficacités coûteuses? Pour les directeurs d’usine et les entrepreneurs en ingénierie, the final screening stage before blast furnace charging is a critical bottleneck with direct implications for productivity and cost. Les défis courants incluent:

Génération d’amendes excessives: Aggressive vibration from standard screens can degrade coke, creating excessive 5mm fines that reduce furnace permeability and increase fuel rates. This can lead to a 25% loss in saleable product.
Temps d'arrêt imprévus: Frequent screen deck replacements due to abrasive wear from sharp coke edges halt production lines. A single changeover can cost over 8 hours of lost processing time.
Classement des produits incohérent: Inaccurate separation leads to offspec material, risking blast furnace performance penalties and customer rejections.
Charge de maintenance élevée: Bearings and motors on conventional vibratory screens fail prematurely under heavy coke loads, driving up spare parts inventories and labor costs.
Environnemental & Risques de conformité: Noncompliant components or excessive dust generation can conflict with stringent plant environmental policies.

Are you searching for a screening solution that protects your product integrity, extends equipment life, and ensures consistent compliance? The right RoHS compliant coke vibration screen directly addresses these operational and financial pressures.

2. APERÇU DU PRODUIT

The RoHS Compliant Coke Vibration Screen is a heavyduty linear or elliptical motion vibrating screen engineered specifically for the sizing and scalping of metallurgical coke. Its design prioritizes material preservation, durabilité, and adherence to environmental substance directives.

Flux de travail opérationnel:
1. Alimentation & Distribution: Sized coke from the crusher or cooler is evenly distributed across the full width of the screen’s feed box.
2. Stratified Screening: Controlled vibratory motion stratifies the bed, allowing nearsize particles to contact the robust screen deck surface efficiently.
3. Accurate Separation: Material is separated into precise fractions (par ex., coke de haut fourneau, coca aux noix, brise) via single or multideck configurations.
4. Décharge & Transport: Sized fractions discharge onto dedicated conveyors for final stockpiling or furnace charging.

Champ d'application: Primary sizing of metallurgical coke (2580mm), scalp removal of oven push fines (>5mm), and nut coke separation. Ideal for integrated steel plants and merchant coke facilities.

Limites: Not designed for sticky materials, wet screening applications, or extreme temperature variations beyond specified operating ranges without specialized modifications.

3. CARACTÉRISTIQUES PRINCIPALES

RoHS Compliant Component Suite | Base technique: Hazardous Substance Restriction compliance in all electrical/electronic components & wearresistant alloys | Avantage opérationnel: Eliminates risk of noncompliance in regulated markets, ensures safer endoflife disposal | Impact sur le retour sur investissement: Avoids potential fines/export barriers, enhances corporate sustainability profile

LowDegradation Vibration Profile | Base technique: Precisely tuned exciter mass & frequency to achieve optimal material travel velocity without excessive throw | Avantage opérationnel: Minimizes mechanical degradation of coke lumps, reducing problematic fines generation by up to 30% | Impact sur le retour sur investissement: Preserves product yield and blast furnace efficiency, directly protecting revenue

AbrasionResistant Deck System | Base technique: Modular polyurethane or rubberclad steel panels with reinforced edges in highwear zones | Avantage opérationnel: Extends deck service life by 35x compared to woven wire mesh; reduces changeout frequency | Impact sur le retour sur investissement: Lowers spare parts costs and significantly reduces labor hours dedicated to maintenance

Scellé & Protected Bearing Assembly | Base technique: Labyrinth seals with greasepurge systems on highstress exciter bearings | Avantage opérationnel: Prevents ingress of abrasive coke dust; extends bearing service intervals beyond 10,000 heures | Impact sur le retour sur investissement: Reduces unplanned bearing failures by an estimated 70%, ensuring production continuity

Construction de cadre modulaire | Base technique: Bolttogether hightensile steel sections with localized reinforcement at stress points | Avantage opérationnel: Simplifies transport and installation; allows for targeted replacement of worn sections | Impact sur le retour sur investissement: Réduit le temps d’installation de 40% versus welded frames; lowers longterm structural upkeep costs

Dust Containment Skirting | Base technique: Integrated multilayer skirtboard system at feed and discharge points with quickrelease clamps | Avantage opérationnel: Effectively controls dust emission at transfer points, supporting plant environmental goals | Impact sur le retour sur investissement: Reduces housekeeping load and mitigates risks associated with airborne particulates

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Norme de l'industrie (Conventional Coke Screen) | RoHS Compliant Coke Vibration Screen Solution | Avantage (% Amélioration) |
| : | : | : | : |
| Durée de vie des panneaux de terrasse (Usure abrasive) | 3 6 mois (fil tissé) | 18 24 mois (polyurethane clad) | +300% amélioration |
| Génération d'amendes (5mm) During Screening| Référence (100%)| Field data shows reduction to ~70% of baseline| Réduction de ~30% |
| Mean Time Between Bearing Failures (MTBF) | ~6 000 heures de fonctionnement| >10,000 heures d'ouverture| +67% amélioration |
| Consommation d'énergie par tonne criblée| Référence (100%)| Conduite optimisée & mass reduces consumption by ~15%| Reduction of ~15% |
| Compliance Certification| Peut contenir des substances restreintes (Pb, Hg in components)| Full RoHS compliance documentation provided| Mitigates regulatory risk |

5. SPÉCIFICATIONS TECHNIQUES

Capacité nominale: Modèles disponibles chez 200 à 1,500 tonnes métriques par heure (en fonction de la taille de l'ouverture et de la teneur en humidité).
Screen Deck Options: Single or double deck; panel sizes typically 1.2m x 2.4m up to 2.4m x 6.0m.
Deck Media: Highdurability,tensioned polyurethane or rubber panels with steel reinforcement. Apertures from 5mm to 80mm standard.
Mécanisme de vibration: Dual shaft eccentric exciter(s) with selfaligning spherical roller bearings.
Système d'entraînement: IP66rated electric motor(s) coupled via durable Vbelts or direct drive gearbox. Power range: 7.5 kW à 45 kW.
Cadre structurel: Heavyduty hotrolled steel channels with corrosionresistant primer and finish coat.
Environnement opérationnel: Plage de température ambiante: 20°C à +50°C. Feed material temperature up to 100°C continuous (higher with special decks).
Compliance Standards: Electromechanical components comply with EU RoHS Directive 2011/65/EU.

6. SCÉNARIOS D'APPLICATION

[Alimentation intégrée du haut fourneau de l'aciérie] Défi: A major steel producer experienced a consistent +4% generation of undersize fines at the final screening station before the blast furnaces.This degraded furnace permeability,increasing fuel rates.The existing screens also required deck changes every five months,causing regular downtime.Solution: Installation of two doubledeck RoHS compliant coke vibration screens configured for precise separation at >25mm.Résultats: Fines generation reduced by an estimated28%.Screen deck service life extendedto18months.Blast furnace team reported improved gas flow consistency.

[Merchant Coke Producer Product Grading] Défi: A merchant cokery supplying various global customers faced product specification variancesand occasional rejections due to oversizein nutcoke fractions.Conventional screens lacked precision,and component compliance was a concernfor European shipments.Solution: Retrofittingthe final screening linewitha customsizedRoHS compliantcoke vibration screen featuring precision deck tensioning.Résultats: Product grading accuracy improved,yielding99% consistency within spec.RoHS documentation streamlined export logistics.The plant manager noted areductionin customer quality complaints.

7.CONSIDÉRATIONS COMMERCIALES

Our RoHS compliantcoke vibration screens are offered in three primary configuration tiers:

1.Série de service standard: For capacities up to500tph.Idealfor smaller plantsor supplemental lines.Includes baseRoHS complianceand polyurethane decks.
2.Série robuste: For capacities5001200tph.Features reinforced frameconstruction,dustcontainment skirting,and premium bearing assemblies as standard.
3.Solutions conçues sur mesure: For capacitiesexceeding1200tphor unique spatial/process constraints.Includes full engineering reviewand performance guarantees.

Fonctionnalités facultatives & Mises à niveau: Enclosed designsfor total dust control,variable frequency drivesfor process tuning,hightemperaturedeck materials(>150°C),capteurs avancés de surveillance de l'état.

Forfaits de services: Choisissez parmi la garantie de base(12mois),Contrats de maintenance planifiée(kits de pièces de rechange,inspections),or FullService Contracts covering parts,travail,et audits de performance.

Options de financement: We workwith thirdparty partners tooffer equipment leasingor financing plans,turning capital expenditure into an operational expense formore flexible budgeting.

8.FAQ

T1:What does 'RoHS compliant' mean specifically for this equipment?
It certifies that all applicable electrical components(moteurs,capteurs,câblage)and homogeneous materials within wear parts(specific alloys,polyurethane compounds)are restrictedto levels below thresholds setfor lead,cadmiummercury,and other hazardous substances.This is criticalfor operationin oremarketing productsinto regulated regionslike the European Union.

T2:Canyour screen handle 'green'orcoke directlyfromthe oven?
Our standard models are ratedfor material temperaturesup to100°C continuous.For hotcoke directlyfromthe oven(whichcan exceed300°C),we mustengineer aspecialized solutionwithhightemperaturedecks,roulements,and lubrication systems.Contact us todiscuss your specific feed temperature profile.

T3:Whatis thereal impacton my maintenance schedule?
Field data indicates themost significantchangesare extended intervalsbetween major services.Deck replacement cycles typically triple.Bearing regreasing intervals extendby50%ormore.The modular designalso allowsfaster panel changeswhen required,significantly reducing downtime events comparedto weldedin decksystems.

T4:Arewespare parts readily available,and are they also compliant?
We maintaina global inventoryof criticalwear parts.All replacementparts suppliedbyusforthe original equipmentare guaranteed tomeetthe sameRoHS compliance standardsensuringyour operationremains consistentoverthe machine's lifecycle

Q5:Cana legacy vibrating screen beretrofittedtobeRoHS compliant?
While somecomponentscan be replacedwithcompliant versions(moteurs,câblage),full compliance often requires redesignof assembliesand material specifications.A comprehensive auditof yourexisting equipmentis thefirst step.We generally findthat fora core process like cokescreening,the performance gainsjustify investmentin anewengineered solutionratherthan partial retrofitting

.How doyou ensuregrading accuracyand consistency?
Accuracyis engineered throughmultiple factors:tunedvibration parametersfor optimal stratification,the useof precisely moldedpolyurethane deckswhichmaintainaperture size,and arigidframe that minimizes flexand vibration harmonics.This combination delivers consistent sizing performance documentedin our factoryacceptancetest reports providedwitheach unit