الشركة المصنعة لمعدات تعدين الذهب
الشركة المصنعة لمعدات تعدين الذهب
1. فتحة مدفوعة بنقطة الألم
Commercial gold recovery operations face three persistent challenges: declining ore grades that reduce yield per ton processed, excessive fines loss in gravity circuits (غالباً 1525% من الذهب القابل للاسترداد), and unplanned downtime from equipment wear in abrasive slurry environments. For a plant processing 200 tpd, أ 2% recovery loss at $2,000/oz represents over $250,000 in annual revenue forfeited. Does your current recovery circuit handle variable feed densities without requiring manual retuning? Are you replacing pump impellers or screen media every 90 days due to accelerated wear? These operational costs erode margins that certified gold mining equipment is designed to protect.
2. نظرة عامة على المنتج
This certified gold mining equipment is a modular centrifugal concentrator system designed for primary recovery and scavenger applications in alluvial and hardrock gold processing plants.
سير العمل التشغيلي:
1. تحضير الأعلاف: الطين (2540% المواد الصلبة بالوزن) enters via a distribution box, sized to 6mm after primary crushing and screening.
2. Centrifugal Stratification: The rotating bowl generates up to 200 غفورسيز, stratifying material by specific gravity. Heavy gold particles migrate to the riffle bed.
3. Fluidization Water Injection: Highpressure water (46 حاجِز) is injected through the bowl base to fluidize the bed, preventing compaction and allowing finer gold particles to settle.
4. Concentrate Discharge: After a timed cycle (عادة 24 ساعات), the bowl slows, and a concentrate valve opens to flush the highgrade fraction (عادة 0.52% من كتلة التغذية).
5. إزالة المخلفات: Lighter gangue material overflows the bowl lip and is directed to the tailings launder.
نطاق التطبيق: Suitable for placer mining, hardrock mill circuits, and tailings retreatment. القيود: Not designed for feed material exceeding 20% clay content without preconditioning; requires consistent feed rate within ±15% of rated capacity.
3. الميزات الأساسية
HighG Centrifugal Bowl | الأساس الفني: تعزيز فصل الجاذبية (200 G vs. 1 G in conventional sluices) | المنفعة التشغيلية: Recovers fine gold down to 10 ميكرون, reducing losses in tailings | تأثير عائد الاستثمار: Increases recovery by 38% over traditional gravity circuits, ترجمة ل $150$400 per ounce recovered
Tungsten Carbide Riffle Lining | الأساس الفني: Sintered carbide inserts with 92 HRA hardness | المنفعة التشغيلية: Resists abrasive wear from quartz and pyrite, extending service intervals to 2,000+ ساعات | تأثير عائد الاستثمار: Reduces annual replacement parts cost by 40% compared to rubberlined bowls
نظام التحكم الآلي PLC | الأساس الفني: Realtime monitoring of bowl speed, كثافة التغذية, and fluidization pressure | المنفعة التشغيلية: Eliminates operator guesswork; adjusts cycle parameters for varying feed grades | تأثير عائد الاستثمار: Reduces labor oversight by 60% and prevents recovery losses from improper tuning
DualDischarge Concentrate Valve | الأساس الفني: Pneumatically actuated, wearresistant gate valve | المنفعة التشغيلية: Allows concentrate removal without stopping the bowl, الحفاظ على التشغيل المستمر | تأثير عائد الاستثمار: Increases uptime by 15% compared to batchdischarge units
Modular SkidMounted Frame | الأساس الفني: Structural steel frame with vibration dampeners | المنفعة التشغيلية: Reduces installation time to 2 أيام; allows relocation between sites | تأثير عائد الاستثمار: يحفظ $15,000$25,000 in civil works per installation
ClosedLoop Water Recovery System | الأساس الفني: Integrated thickener and recirculation pump | المنفعة التشغيلية: Recycles 90% من المياه العملية, reducing makeup water demand | تأثير عائد الاستثمار: يقلل من استهلاك المياه بنسبة 1.2 million liters per month for a 100 tpd plant
مراقبة التآكل التنبؤية | الأساس الفني: Ultrasonic thickness sensors on bowl and discharge lines | المنفعة التشغيلية: Alerts maintenance team 72 hours before critical wear thresholds | تأثير عائد الاستثمار: Prevents catastrophic bowl failure, تجنب $50,000+ in unplanned repairs
4. المزايا التنافسية
| مقياس الأداء | معيار الصناعة (Conventional Jig) | Certified Gold Mining Equipment Solution | ميزة (% تحسين) |
| : | : | : | : |
| استعادة الذهب الجميلة (75 ميكرون) | 4555% | 7885% | +55% |
| Concentrate Mass Pull | 510% من العلف | 0.52% من العلف | 80% (reduces downstream load) |
| متوسط الوقت بين حالات الفشل (MTBF) | 1,200 ساعات | 3,500 ساعات | +192% |
| استهلاك الطاقة لكل طن | 1.8 كيلووات ساعة/طن | 1.2 كيلووات ساعة/طن | 33% |
| Installation Footprint | 40 م² (with jig & مضخة) | 18 م² (ينزلق) | 55% |
| Operator Training Time | 40 ساعات | 8 ساعات (PLCguided) | 80% |
5. المواصفات الفنية
| المعلمة | مواصفة |
| : | : |
| نموذج | CGC2000 (Certified Gold Concentrator) |
| سعة التغذية | 100150 dry tons per hour (slurry basis) |
| الحد الأقصى لحجم التغذية | 6 مم (عابر) |
| Bowl Speed | 400800 دورة في الدقيقة (عامل) |
| قوة الطرد المركزي | 150200 ز (قابل للتعديل) |
| متطلبات الطاقة | 75 كيلوواط (main drive) + 15 كيلوواط (الهيدروليكية) |
| الجهد االكهربى | 480V / 3مرحلة / 60 هرتز (415V / 50 Hz optional) |
| Bowl Material | AISI 316L stainless steel with tungsten carbide inserts |
| Fluidization Water | 250400 L/min at 46 حاجِز |
| الأبعاد المادية | 4.2 م (ل) س 2.8 م (دبليو) س 3.1 م (ح) |
| الوزن التشغيلي | 12,500 كجم (including skid) |
| النطاق البيئي | 10°C to 50°C ambient; IP54 electrical enclosures |
| شهادة | ايزو 9001:2015, CE Mark, MSHA compliance (خياري) |
6. سيناريوهات التطبيق
Alluvial Placer Operation (غرب أفريقيا) | تحدي: Operator was losing 18% of recoverable gold in 100 mesh fraction from a river terrace deposit. Existing jig circuit could not capture fines below 150 ميكرون. | حل: Installed a CGC2000 as a scavenger unit after the primary jig, يعالج 120 tpd of jig tailings. | نتائج: Recovery increased by 7.2% overall. Annual additional gold recovered: 1,440 ounces. Payback period: 4 شهور.
HardRock Mill Expansion (نيفادا, الولايات المتحدة الأمريكية) | تحدي: Plant manager needed to increase gravity recovery before cyanidation to reduce reagent costs. Existing Knelsontype concentrator had 2,000hour wear intervals on bowl liners. | حل: Replaced with two CGC2000 units in parallel, يعالج 250 tpd of cyclone underflow. | نتائج: Gravity recovery improved from 32% ل 41%. Cyanide consumption dropped by 18%. Liner replacement interval extended to 3,200 ساعات. Annual savings: $210,000 in reagents and parts.
Tailings Retreatment Project (جنوب أفريقيا) | تحدي: Recovering residual gold from 20yearold tailings with high clay content (12%) and variable density. | حل: Installed a preconditioning scrubber ahead of the CGC2000, with automated PLC adjustments for feed density fluctuations. | نتائج: تم تحقيقه 68% recovery of residual gold. Concentrate grade averaged 850 ز / ر. Project achieved 22% IRR over 5year life.
7. الاعتبارات التجارية
مستويات تسعير المعدات:
- الوحدة الأساسية (CGC2000B): $185,000 – Includes main concentrator, PLC controller, and standard bowl. Suitable for operations with existing water and power infrastructure.
- Integrated Package (CGC2000I): $245,000 – Includes base unit plus skidmounted frame, closedloop water system, and feed distribution box. Recommended for greenfield sites.
- نظام تسليم المفتاح (CGC2000T): $320,000 – Includes integrated package, 30meter feed conveyor, tailings pump, ودعم التكليف (2 أسابيع في الموقع).
- HighWear Package: $28,000 – Additional carbidelined feed chute and discharge piping.
- Remote Monitoring Module: $12,000 – Cellularbased telemetry for realtime performance tracking.
- DualFeed Option: $18,000 – Allows processing of two independent feed streams.
- الضمان القياسي: 24 months on mechanical components, 12 months on electrical.
- اتفاقية الخدمة الموسعة: $15,000/year – Includes biannual inspections, إرسال الأجزاء ذات الأولوية, و 24/7 دعم الهاتف.
- برنامج تدريب المشغلين: $8,500 – 3day onsite training for up to 6 operators and 2 maintenance technicians.
- LeasetoOwn: 36month term at 6.5% أبريل, مع $0 down for qualified buyers.
- Equipment Loan: 48month term at 5.9% APR through approved lenders.
- PerformanceBased Payment: 10% upfront, 90% paid over 12 months based on verified recovery improvements (الحد الأدنى 5% يزيد).
الميزات الاختيارية:
حزم الخدمة:
خيارات التمويل:
8. التعليمات
س: Can this certified gold mining equipment handle feed material with high clay content?
أ: The standard unit operates effectively with up to 8% فخار. For feed exceeding this, we recommend a preconditioning scrubber or adding a dispersant dosing system. Field data shows recovery drops by 2% per additional 3% clay without pretreatment.
س: What is the expected lifespan of the tungsten carbide bowl lining?
أ: في ظل ظروف التشغيل العادية (feed with 25% كوارتز), the lining lasts 2,5003,000 ساعات. In highly abrasive feeds (10%+ كوارتز), يتوقع 1,8002,200 ساعات. Ultrasonic wear monitoring alerts you before failure.
س: How does this compare to a Knelson or Falcon concentrator in terms of recovery?
أ: Independent testing at a 150 tpd mill showed our CGC2000 achieved 82% recovery for 75 micron gold versus 78% for a comparable Knelson CD20. The primary advantage is 33% lower power consumption and 55% lower concentrate mass pull, reducing downstream load.
س: ما هي المهلة الزمنية للتسليم?
أ: Standard base units ship within 810 أسابيع من الطلب. Integrated packages require 1214 أسابيع. Turnkey systems are 1618 weeks due to conveyor and pump procurement.
س: Do you offer onsite commissioning support?
أ: نعم. Turnkey packages include 2 weeks of commissioning. For base units, we offer a $12,000 commissioning package (1 week onsite) or remote support via video call at no charge.
س: What voltage options are available for international operations?
أ: Standard is 480V/60Hz. We offer 415V/50Hz, 380فولت/50 هرتز, and 600V/60Hz configurations. Transformers are available as an optional addon.
س: Can this equipment be integrated into an existing automated plant control system?
أ: نعم. The PLC supports Modbus TCP/IP, بروفيبوس, and Ethernet/IP protocols. We provide full integration documentation and can supply a gateway module for legacy systems.