1. PAINPOINT DRIVEN OPENING

Is your coke screening operation plagued by persistent inefficiencies that erode profitability? Plant managers and engineering contractors face significant challenges with traditional screening methods for metallurgical coke. Common pain points include:

Excessive Fines Generation: Aggressive screening action can degrade premium coke, creating excess fines (10mm) that are difficult to sell, directly impacting revenue per ton.
Blinding & Carryover: Moisture and sticky fines blind screen decks, while undersized material carries over into the product stream. This compromises product quality, leads to customer rejections, and forces frequent, costly manual cleaning halts.
High Maintenance & Downtime: The abrasive nature of coke accelerates wear on screen panels, bearings, and structures. Unplanned downtime for repairs and the constant replacement of parts create substantial operational costs.
Inefficient Separation: Inconsistent feed rates or improper screen motion result in poor size separation. This means onspec product is lost to waste streams, and offspec material contaminates the product silo.

Are you searching for a robust screening solution that maximizes onspec yield, protects material integrity, and operates reliably with minimal intervention? The right industrial vibrating screen is a critical investment in your plant’s throughput and bottom line.

2. PRODUCT OVERVIEW: HeavyDuty Coke Vibrating Screen

This equipment is a highcapacity, linear motion vibrating screen engineered explicitly for the scalping and precise size classification of hot or cold metallurgical coke. Its design prioritizes gentle yet effective material handling to preserve coke integrity while ensuring sharp separations.

Operational Workflow:
1. Controlled Feed: Coke from the crusher or oven is delivered onto the screen via a regulated feed chute to ensure an even distribution across the full width of the deck.
2. Efficient Stratification & Separation: Dual vibrator motors generate a linear throwing motion, stratifying the material bed. Larger particles travel rapidly across the deck for discharge as oversize, while correctly sized coke passes through the precisely calibrated screen apertures.
3. Dedicated Product Streams: Separated fractions—oversize, multiple grades of onspec product (e.g., blast furnace coke, nut coke), and fines—are discharged via isolated chutes into their respective conveying systems or stockpiles.

Application Scope: Primary sizing (scalping) and secondary classification of metallurgical coke in coke plants, steel mills, and bulk handling terminals.
Limitations: Not designed for sticky, claylike materials without pretreatment; maximum lump size and temperature limits apply as per technical specifications.

3. CORE FEATURES

Patented NonBlind Deck System | Technical Basis: Multilayer polyurethane panels with tapered apertures and elastic secondary cleaning balls | Operational Benefit: Prevents aperture clogging from moist or sticky fines; maintains consistent screening efficiency without manual intervention | ROI Impact: Eliminates downtime for cleaning; improves screening efficiency by up to 15%, increasing throughput
DualCounterweight Vibrator Drive | Technical Basis: Two synchronized vibrator motors producing a linear force vector | Operational Benefit: Delivers a consistent, fully adjustable stroke for optimal material travel speed and stratification; minimal dynamic stress transferred to the support structure | ROI Impact: Reduces structural maintenance costs by up to 30%; allows tuning for different feed conditions to maximize yield
Modular Deck & Wear Protection | Technical Basis: Boltin wear liners on side plates and replaceable deck sections constructed from AR400 steel or specialized polyurethane | Operational Benefit: Dramatically simplifies maintenance; worn components can be replaced in sections without dismantling the entire machine | ROI Impact: Cuts panel replacement time by 60%; extends major overhaul intervals
Enclosed DustTight Design | Technical Basis: Continuous sealing system between deck frames and fully clad sidewalls with integrated dust extraction ports | Operational Benefit: Contains dust emissions at the source, improving plant air quality and safety compliance | ROI Impact: Reduces housekeeping costs and mitigates risk of regulatory noncompliance fines
HeavyDuty Coil Spring Isolation | Technical Basis: Highcycle fatigueresistant steel coil springs supporting the vibrating frame | Operational Benefit: Absorbs over 95% of dynamic loads, preventing vibration transmission to the building foundation | ROI Impact: Eliminates costly reinforced concrete foundations; allows for simpler steel support structures

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Conventional Screens) | Our Coke Vibrating Screen Solution | Advantage (% improvement) |
| : | : | : | : |
| Screening Efficiency (Accuracy) | ~8590% under optimal conditions | Consistently >95% across varying feed rates| +510% improvement in yield |
| Panel Service Life (AR Steel) | 36 months depending on abrasiveness| 814 months with optimized deck system| +100% longer operational life |
| Annual Downtime for Screen Maintenance| 120180 hours (cleaning, panel changes)| 4060 hours with modular design| ~65% reduction in lost time |
| Fines Generation (10mm) During Screening| Up to 5% additional generation| Less than 2% additional generation| >60% reduction in product degradation |

5. TECHNICAL SPECIFICATIONS

Capacity & Rating: Designed for throughputs from 200 TPH to 1500 TPH of bulk coke (density ~0.50.7 t/m³). Multiple width (1.5m – 3.0m) and length (4.5m – 7.5m) configurations available.
Power Requirements: Dual vibrator motors ranging from 2 x 7.5 kW to 2 x 30 kW (400/690V, 50/60Hz). Total installed power depends on machine size and required Gforce.
Material Specifications: Mainframe: Heavyduty carbon steel (S355JR). Wear Components: Side liners – AR400 Steel; Screen Panels – Tensioned HARDOX® wire mesh or modular polyurethane; Deck Frames – Abrasionresistant steel.
Physical Dimensions: Varies by model. Example Model CKV2448: Overall length ~9m, width ~3m, height ~2m (excluding supports). Weight approx. 12 tonnes.
Environmental Operating Range: Suitable for ambient temperatures from 20°C to +50°C. Handles hot coke up to ~150°C with heatresistant gaskets and component specifications.

6. APPLICATION SCENARIOS

Integrated Steel Plant Blast Furnace Feedstock Preparation

Challenge A major steel producer experienced high levels of undersize material (<25mm) contaminating their blast furnace coke stockpile due to an inefficient primary scalper screen at their wharf unloading station.
Solution Installation of a highcapacity linear motion Coke Vibrating Screen equipped with nonblind decks at the transfer point after primary crushing.
Results Screening efficiency increased from an estimated 96%. Onspec blast furnace feedstock (+25mm) yield improved by approximately >8%, significantly reducing purchasedcoke requirements.

Merchant Coke Plant Product Classification

Challenge A merchant coke plant needed sharper separation between nut coke (1025mm) and breeze (10mm) fractions but found their existing screens generated excessive fines due to aggressive vibration.
Solution Replacement with twotiered Coke Vibrating Screens featuring adjustable lowamplitude/highfrequency drives designed for gentle handling at lower deck inclinations.
Results Fines generation during final sizing was reduced by more than >60%. The production of highvalue nut coke increased proportionally without compromising total throughput.

7 COMMERCIAL CONSIDERATIONS

Equipment pricing is tiered based on machine size (deck area), construction materials (standard vs premium wear packages), motor specifications:
Tier I (<15 m² deck): For lower capacity lines or pilot facilities
Tier II (<15 m² 30 m² deck): Custom highcapacity units

Optional Features:
Hotduty package including heat shields & specialized seals
Explosionproof motor specification
Advanced condition monitoring sensors

Service Packages:
Extended warranty plans covering vibrator units
Annual inspection & optimization services
Onsite spare parts inventory agreements

Financing Options:
Capital equipment leasing programs through partner financial institutions are available upon request

8 FAQ

Q What is your typical lead time?
A Lead times vary based on project scope but standard models typically ship within <12 weeks from order confirmation Custom configurations may require <16 weeks

Q Can this equipment be integrated into my existing layout?
A Yes Our engineering team provides comprehensive interface drawings including load data chute recommendations & electrical requirements We design our screens as modular units adaptable within existing transfer towers

Q How does this solution handle variations in feed moisture content?
A The nonblind deck system combined with adjustable vibration parameters allows effective operation at moisture contents upto approximately <8% Beyond this predrying or alternative technologies may be recommended

Q What are your payment terms?
A Standard commercial terms are <30% downpayment upon order <60% priorto shipment & <10% upon completionof commissioning For lease arrangements terms are structured through our financing partners

Q Do you provide installation supervision?
A Yes we offer optional expert installation supervision & commissioning services This ensures optimal setup performance validation & operator training