شاشة اهتزاز عالية الجودة لفحم الكوك: تقليل وقت التوقف عن العمل, Cut Screening Costs, and Protect Your Downstream Equipment

Operational Challenges This Equipment Solves

Coke screening operations face persistent bottlenecks that directly impact your bottom line. If your plant handles metallurgical coke, فحم الكوك البترولي, or coke breeze, you're likely dealing with:

• Excessive screen media wear — Inferior vibration screens force replacement of woven wire or polyurethane panels every 4–8 weeks, costing $12,000–$28,000 annually per unit in parts and labor alone.
• التعمية والربط — Moistureladen coke particles wedge into screen apertures, reducing open area by 30–50% within a single shift and forcing manual cleaning that exposes operators to safety risks.
• High downtime from structural fatigue — Side plates crack, cross members fracture, and bearing housings fail under continuous highamplitude vibration, translating to 40–120 hours of unplanned downtime per year.
• نقاط قطع غير متناسقة — Fluctuating feed rates and improper stroke control cause oversize carryover into product or excessive fines in the oversize stream, triggering customer rejections and reprocessing costs.
• الإفراط في سحب الطاقة — Older linearmotion screens consume 15–25% more kW per ton of material processed compared to modern highefficiency designs.

السؤال هو: how much is your current screening inefficiency costing you every month?

A highquality coke vibration screen engineered for your specific feed characteristics eliminates these losses through precision motion control, abrasionresistant construction, and applicationmatched screening media.

نظرة عامة على المنتج: شاشة اهتزاز عالية الجودة لفحم الكوك

هذه المعدات هي com.heavyduty, doubledeck or singledeck vibrating screen specifically configured for coke screening applications. It employs either linear motion (for highcapacity scalping and sizing) أو elliptical motion (for difficult, رطبة, or sticky coke feeds). The screen separates coke into distinct size fractions — typically 0–10 mm, 10–25 mm, 25-40 ملم, و +40 mm — depending on your blast furnace, مسبك, or export specifications.

سير العمل التشغيلي:

1. Feed distribution — Coke enters via a feed box or chute, spreading evenly across the full screening width using a stationary or vibrating distributor.
2. Stratification and separation — The vibratory motion lifts and throws material forward, causing fines to migrate downward through the bed while oversize travels toward the discharge end.
3. Size classification — Material passes through apertures on the top and bottom decks, producing multiple calibrated products simultaneously.
4. تسريح — Each size fraction exits through dedicated discharge chutes, ready for conveying, تخزين, or downstream processing.
5. Selfcleaning — Optional ball decks, polyurethane strips, or rotary brushes maintain aperture integrity during operation.

نطاق التطبيق:

• Metallurgical coke screening (فحم الكوك فرن الانفجار, فحم الكوك مسبك)
• Petroleum coke (com.petcoke) sizing and dedusting
• Coke breeze recovery and briquetting feed preparation
• Coke handling in steel mills, coke ovens, and port terminals

القيود:

• Not suitable for feeds exceeding 300 mm top size without prior crushing
• Moisture content above 12–14% may require elliptical motion or heated decks
• High clay content in feed demands special media or prescreening

الميزات الأساسية

DualMass Resonant Drive System | الأساس الفني: Natural frequency amplification reduces motor power required to maintain stroke | المنفعة التشغيلية: Consistent amplitude regardless of feed load fluctuations | تأثير عائد الاستثمار: 20–30% lower energy consumption versus bruteforce drives, saving $8,000–$15,000 annually per screen



HeavyDuty Side Plates with HuckBolted Construction | الأساس الفني: 16–25 mm mild steel or HSLA side plates, stressrelieved and Huckbolted (غير ملحومة) at critical joints | المنفعة التشغيلية: Eliminates weld cracking under cyclic fatigue; maintains structural integrity for 10+ سنين | تأثير عائد الاستثمار: Avoids $45,000–$80,000 in premature screen replacement costs over a 10year lifecycle

Modular Polyurethane or Rubber Screen Media | الأساس الفني: 30–60 Shore A durometer panels with reinforced steel inserts, available in 10–100 mm apertures | المنفعة التشغيلية: 3–7× longer wear life than woven wire in coke service; reduces noise by 8–12 dBA | تأثير عائد الاستثمار: Cuts media replacement costs by 60–70%, saving $18,000–$35,000 annually per unit

SelfCleaning Ball Deck or FlipFlow Mechanism | الأساس الفني: Rubber balls or polyurethane slats impact the underside of the screen panel on each vibration cycle | المنفعة التشغيلية: Prevents blinding and pegging in moist coke (8–14% moisture) | تأثير عائد الاستثمار: Eliminates 2–4 hours per shift of manual cleaning labor, recovering $22,000–$40,000 in annual production time

Precision Stroke and Angle Adjustment | الأساس الفني: Adjustable eccentric weights and variablepitch springs allow stroke from 6–16 mm and angle from 15–25° | المنفعة التشغيلية: Operators can finetune screening efficiency for changing coke quality without replacing equipment | تأثير عائد الاستثمار: Maintains cutpoint accuracy within ±2%, reducing product rejections and reprocessing costs

مختوم, GreaseLubricated Spherical Roller Bearings | الأساس الفني: Doublerow spherical roller bearings in labyrinthsealed housings with remote grease points | المنفعة التشغيلية: 20,000–30,000hour L10 bearing life in dusty coke environments | تأثير عائد الاستثمار: Reduces bearingrelated downtime from 40 hours/year to under 8 ساعة / سنة, saving $15,000–$25,000 in lost production

محرك التردد المتغير (VFD) التوافق | الأساس الفني: Motors rated for inverter duty with class F insulation and thermistor protection | المنفعة التشغيلية: Soft start reduces mechanical shock; speed adjustment optimizes screening efficiency for different coke types | تأثير عائد الاستثمار: Extends drive component life by 30–40%; reduces peak demand charges by 10–15%

المزايا التنافسية

| مقياس الأداء | معيار الصناعة | حل شاشة اهتزاز فحم الكوك عالي الجودة | ميزة (% تحسين) |
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| Screen media life (البولي يوريثين) | 3– 5 أشهر | 12– 18 شهرًا | 200–300% |
| Blindingrelated downtime | 2–4 hours/shift | 0–0.5 hours/shift | 75-100% |
| استهلاك الطاقة لكل طن | 0.8-1.2 كيلووات ساعة/طن | 0.55–0.75 kWh/t | 30-40% |
| Structural fatigue life | 5– 7 سنوات | 10–15 years | 80-120% |
| Cutpoint accuracy | ±5–8% | ±2–3% | 60-75% |
| Bearing service life | 8,000– 12,000 ساعة | 20,000–30,000 hours | 150-200% |
| مستوى الضوضاء عند 1 م | 95–105 dBA | 82–88 dBA | 12-20% |
| Unplanned downtime per year | 80-120 ساعة | 15–30 hours | 70-80% |

المواصفات الفنية

| المعلمة | مواصفة |
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| نطاق السعة | 50–500 طن/ساعة (اعتمادا على حجم التغذية, رُطُوبَة, and cut point) |
| Screen Width | 1.2 م – 3.6 م |
| Screen Length | 3.0 م – 8.0 م |
| الطوابق | 1 أو 2 (custom 3deck available) |
| الحد الأقصى لحجم التغذية | 300 مم (top size) |
| سكتة دماغية | 6–16 mm (قابل للتعديل) |
| تكرار | 750–1,000 RPM (50 هرتز) / 900–1,200 RPM (60 هرتز) |
| قوة المحرك | 7.5–75 kW per unit (dualmotor configuration) |
| الجهد االكهربى | 380-480 فولت, 50/60 هرتز, 3مرحلة |
| خيارات وسائط الشاشة | ألواح البولي يوريثين, ألواح مطاطية, سلك منسوج, لوحة مثقوبة |
| نطاق الفتحة | 3 مم - 100 مم |
| Body Material | 16–25 mm mild steel or HSLA side plates; abrasionresistant liners in highwear zones |
| نوع المحمل | Spherical roller, مشحم, labyrinthsealed |
| درجة حرارة التشغيل | 20°C to +80°C (4°F to +176°F) |
| مستوى الضوضاء | ≤85 dBA at 1 م (with rubber media) |
| Dust Enclosure | Optional full enclosure with inspection doors |
| تصاعد | Coil springs or rubber buffers; fixed or mobile chassis |
| Weight Range | 2,500–18,000 kg (depending on size and configuration) |
| امتثال | م, ايزو 9001:2015, منطقة اتيكس 22 (خياري) |

سيناريوهات التطبيق

Steel Mill Coke Oven Battery | تحدي: الفحص 180 t/h of blast furnace coke at 10 mm cut point with 9% رُطُوبَة; existing woven wire screens blinded every 3 ساعات, causing furnace feed interruptions and $14,000/hour production losses | حل: تم التثبيت 2.4 م × 6.0 m doubledeck linear motion screen with polyurethane flipflow panels on top deck and selfcleaning ball deck on bottom deck | نتائج: تم القضاء على التعمية; cutpoint efficiency improved from 82% ل 96%; تم تقليل فترات التوقف غير المخطط لها من 110 hours/year to 18 ساعة / سنة; annual savings of $1.2M in recovered production

Petroleum Coke Export Terminal | تحدي: التحجيم 350 t/h of petcoke (0–50 mm feed) into 0–25 mm and +25 mm fractions for export; high abrasive wear destroyed woven wire in 4 أسابيع; dust generation exceeded environmental limits | حل: تم النشر 3.0 م × 7.2 m singledeck elliptical motion screen with 40 mm polyurethane panels, حاوية غبار كاملة, and VFDcontrolled stroke | نتائج: Screen media life extended to 14 شهور; dust emissions reduced by 85% (meeting local regulations); energy consumption dropped 28%; تم تحقيق عائد الاستثمار في 7 شهور

Foundry Coke Processing | تحدي: Producing 25–40 mm foundry coke with less than 3% الغرامات; existing screen generated 8–12% fines due to excessive drop height and inefficient stratification | حل: تم التثبيت 1.8 م × 4.8 m doubledeck screen with adjustable stroke (تعيين ل 10 مم), 18° الميل, and rubbercovered discharge lips | نتائج: تم تخفيض توليد الغرامات إلى 2.5%; product yield increased by 6.2%; customer rejections eliminated; payback period 5.5 شهور

الاعتبارات التجارية

مستويات تسعير المعدات:

| الطبقة | إعدادات | نطاق السعر النموذجي (دولار أمريكي) | أفضل ل |
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| معيار | Singledeck, linear motion, وسائط البولي يوريثين, manual stroke adjustment | $45,000 - $85,000 | Small to midsize coke operations, 50–150 طن/ساعة |
| احترافي | Doubledeck, linear or elliptical motion, flipflow or ball deck, VFD, dust enclosure | $95,000 - $180,000 | مصانع الصلب, petcoke terminals, 150–350 طن/ساعة |
| مخصص | ثلاثي الطوابق, dualmotor resonant drive, الأتمتة الكاملة, الامتثال ATEX, المراقبة عن بعد | $185,000 - $320,000 | Largescale export terminals, hazardous environments, 350–500 طن/ساعة |

الميزات الاختيارية:

• Remote vibration monitoring and diagnostics (IoTenabled) — $8,000–$15,000
• Heated deck panels for highmoisture coke — $12,000–$22,000
• Stainless steel or specialty alloy liners for corrosive petcoke — $15,000–$30,000
• Mobile chassis with hydraulic lift — $25,000–$45,000
• طقم قطع غيار (1year recommended inventory) — $6,000–$18,000

حزم الخدمة:

• معيار: 12ضمان شهر, phone/email technical support, commissioning assistance
• غالي: 24ضمان شهر, التكليف في الموقع, التفتيش السنوي, 48ضمان أجزاء الساعة
• مَشرُوع: 36ضمان شهر, مدير حساب مخصص, تحليلات الصيانة التنبؤية, guaranteed 24hour response

خيارات التمويل:

• تأجير المعدات (36– 60 شهرًا) مع $1 الاستحواذ
• Renttoown programs for pilot installations
• Performancebased contracts tied to throughput or efficiency guarantees

التعليمات

س1: Can this coke vibration screen handle both metallurgical and petroleum coke without modification?
أ: نعم, with proper media selection. Metallurgical coke typically requires polyurethane or rubber panels with 10–40 mm apertures. Petroleum coke — being more abrasive and often finer — may require thicker polyurethane (40-60 ملم) or specialty wear liners. The stroke and angle adjustments accommodate both materials. For operations processing both coke types, we recommend a dualmedia configuration.

Q2: ما هو المهلة النموذجية من أجل التكليف?
أ: Standard configurations ship in 8–12 weeks. Professional and custom units require 14–20 weeks. Commissioning and operator training add 3–5 days onsite. We provide a detailed project timeline upon order confirmation.

س3: How does this screen perform with highmoisture coke (فوق 12%)?
أ: لمحتوى الرطوبة أعلاه 12%, we recommend the elliptical motion configuration with flipflow screen media and optional heated decks. Field data shows that this combination maintains 90%+ كفاءة الفحص في 14% رُطُوبَة, whereas standard linear screens drop below 70%.

س 4: What maintenance is required, and what are the associated costs?
أ: Routine maintenance includes greasing bearings every 200–400 hours (depending on duty), inspecting screen media monthly, and checking bolt torque quarterly. Annual maintenance costs typically run 2–4% of the equipment purchase price, compared to 6–10% for industrystandard screens. This translates to $2,000–$7,000 annually for most installations.

س5: Can the screen be integrated into our existing PLC or SCADA system?
أ: نعم. The VFD and optional IoT monitoring package support Modbus, بروفيبوس, وبروتوكولات إيثرنت/IP. We provide integration documentation and can coordinate with your controls contractor. Remote start/stop, تعديل السرعة, and vibration alarm signals are standard.

س6: What is the expected ROI period for a typical coke screening installation?
أ: بناء على البيانات الميدانية من 40+ المنشآت, the average payback period is 6–11 months. This accounts for reduced media costs, انخفاض استهلاك الطاقة, decreased downtime, and improved product yield. For highcapacity operations (300+ ذ), payback can be as short as 4 شهور.

س7: Do you offer trial or rental units for pilot testing?
أ: نعم. We offer 30–90 day rental units for pilot testing at your site. Rental costs are credited toward purchase if you proceed within 6 شهور. This allows you to validate performance with your specific coke feed before committing to capital expenditure.