الصين الحجر الجيري التعدين رخيصة
1. فتحة مدفوعة بنقطة الألم
Are escalating operational costs and unpredictable downtime eroding your limestone quarry’s profitability? You face a demanding landscape: abrasive material wearing down components, volatile energy prices impacting margins, and the constant pressure to increase yield without compromising safety. النظر في هذه التحديات المشتركة:
ملابس عالية & تكاليف الصيانة: Abrasive limestone dust and material rapidly degrade crusher liners, سيور ناقلة, and loader buckets, leading to frequent part replacements and unplanned maintenance stops.
عدم كفاءة الطاقة: أقدم, nonoptimized crushing and grinding circuits consume excessive power per ton of processed material, making your operation vulnerable to energy price fluctuations.
حجم المنتج غير متناسق: Poorly calibrated or worn equipment produces offspec aggregate, مما يؤدي إلى رفض المنتج, دورات إعادة التدوير, and lost revenue from premium product tiers.
فشل التحكم في انبعاثات الغبار: Ineffective dust suppression creates environmental compliance risks, health hazards for personnel, وقضايا العلاقات المجتمعية.
What if your primary crushing and downstream processing could be more predictable, costcontained, وفعالة? الحل لا يكمن في جهاز واحد, but in a matched system designed for the specific rigors of China limestone mining.
2. نظرة عامة على المنتج
This content outlines the critical considerations for a HeavyDuty Crawler Mobile Crushing & مصنع الغربلة, engineered explicitly for the physical and economic demands of commercialscale limestone quarrying in China. This integrated system is designed for direct feed from excavators or wheel loaders at the rock face.
سير العمل التشغيلي:
1. التغذية الأولية & الفحص المسبق: Runofquarry (ROQ) limestone is fed via excavator onto a robust vibrating grizzly feeder, which removes fine abrasives and subfines before primary crushing.
2. سحق الابتدائي: A highinertia jaw crusher reduces large limestone blocks (ما يصل إلى حجم التغذية المحدد) to a manageable diameter.
3. النقل المتكامل & التخزين: Crushed material is transferred via heavyduty conveyors—equipped with dust skirts—to either a direct stockpile for base material or an optional closedcircuit secondary screening unit.
4. ClosedCircuit Screening (خياري): A return conveyor allows oversize material to be recirculated back into the crusher, ensuring precise final product sizing without manual intervention.
نطاق التطبيق & القيود:
نِطَاق: Ideal for medium to largescale limestone quarries requiring onsite primary crushing to reduce haulage costs or create saleable aggregate at the source. Suitable for multipit operations due to its mobility.
القيود: Not designed for extremely hard or abrasive igneous rock (على سبيل المثال, الجرانيت) بدون تكوينات بطانة محددة. Site mobility requires relatively even terrain; steep grades may necessitate preparation.
3. الميزات الأساسية
تحسين التغذية المباشرة | الأساس الفني: Reinforced vibrating grizzly feeder (فجفف فجفف) with adjustable bars | المنفعة التشغيلية: يزيل الغرامات (<50مم) prior to crushing chamber, reducing wear on crusher liners and preventing chamber packing | تأثير عائد الاستثمار: تظهر البيانات الميدانية ما يصل إلى 15% تخفيض تكاليف تآكل البطانة و 710% increase in effective throughput by eliminating chokefeeding.
دائرة المواد المقاومة للتآكل | الأساس الفني: Hardox® steel in hoppers, skirting, والمزالق; Manganese steel crusher jaws/liners | المنفعة التشغيلية: Your plant withstands continuous exposure to silicarich limestone dust and abrasive fragments, تمديد فترات الخدمة | تأثير عائد الاستثمار: زيادة موثقة 2030% in component lifespan compared to standard carbon steel setups.
Hybrid Power Flexibility | الأساس الفني: Configurable dieselelectric drive system with onboard genset | المنفعة التشغيلية: Enables operation in remote quarry locations without grid power; can switch to grid connection when available for lower fuel costs | تأثير عائد الاستثمار: Provides operational certainty while offering an estimated 25% fuel cost savings when gridtied compared to pure dieselhydraulic systems.
التحكم الذكي في العمليات | الأساس الفني: Centralized PLC with touchscreen HMI offering realtime monitoring of crusher load, سرعات الناقل, and engine parameters | المنفعة التشغيلية: Your operators can optimize feed rate based on crusher amperage, preventing overloads and maximizing consistent output | تأثير عائد الاستثمار: Prevents costly mechanical failures from overload; industry testing demonstrates a typical 58% improvement in overall plant efficiency through controlled operation.
نظام متكامل لمنع الغبار | الأساس الفني: فوهات رش الماء المضغوط في نقاط النقل الرئيسية (feeder exit, crusher inlet/outlet) plumbed into main plant frame | المنفعة التشغيلية: Significantly reduces airborne particulate at source, aiding in compliance with local environmental standards (على سبيل المثال, GB 162971996) | تأثير عائد الاستثمار: Mitigates risk of work stoppages due to noncompliance; reduces cleanup costs and extends filter life on ancillary equipment.
Rapid Relocation & يثبت | الأساس الفني: ناقلات قابلة للطي هيدروليكية & crawlermounted travel system with remote control capability | المنفعة التشغيلية: Enables your crew to reposition the entire plant between benches or pits within a single shift using only a standard excavator for cable management | تأثير عائد الاستثمار: Minimizes downtime during pit sequencing; increases asset utilization across large lease areas.
4. المزايا التنافسية
| مقياس الأداء | معيار الصناعة (نبات ثابت / Basic Mobile) | This CrawlerMobile Solution | ميزة (% تحسين) |
| : | : | : | : |
| Relocation Time Between Pits| 57 أيام (dismantle/transport/setup) / 12 أيام (towed mobile) | <8 ساعات (selfpropelled crawl) | حتى 85% faster than fixed plant |
| تكلفة التآكل لكل طن (المرحلة الابتدائية)| $0.12 $0.18/طن (المنغنيز القياسي) | $0.09 $0.11/طن (التصميم الأمثل + الفحص المسبق) | ~25% تخفيض |
| Fuel Consumption @ Peak Load| ~28 L/hr (Dieselhydraulic systems) | ~22 L/hr (Dieselelectric direct drive) When gridtied, drops significantly| ~21% reduction vs. هيدروليكي |
| OnSpec Yield (>95% target fraction)| Requires external scalping screen setup / Manual adjustment cycles| Achieved via closedcircuit design & PLCcontrolled feed regulation| Improves consistency by ~15% |
5. المواصفات الفنية
مرجع النموذج: HDCMCS1200L
كسارة أولية: كسارة الفك الثقيلة
فتح الأعلاف: 1200مم × 800 مم
نطاق السعة (للحجر الجيري): 350 550 الهيدروكربونات النفطية في الساعة (dependent on feed gradation)
CSS Adjustment Range: 150مم 250 مم
محطة توليد الكهرباء: Deutz diesel engine coupled with synchronous generator.
الطاقة المثبتة: 400 kVA Genset
External Grid Connection Option: Standardized for Chinese industrial voltage (~380V/50Hz)
نظام التغذية: مغذي أشيب تهتز
Size/Length：4500مم × 1300 مم
Grizzly Bar Spacing：50mm /75mm optional
مواصفات المواد：
Main Frame Steel：Q345B HighStrength Steel
ارتداء المكونات：ZGMn13 / Swedish AR400 AbrasionResistant Plate
Physical Dimensions（Transport）: L~18m x W~3m x H~4m （Conveyors folded）
نطاق التشغيل البيئي：
درجة الحرارة المحيطة： 20درجة مئوية إلى +45 درجة مئوية
Dust Protection Level： IP65 على الخزانات الكهربائية
6. سيناريوهات التطبيق
Large Regional Quarry Operator， Shandong Province｜Challenge： Needed to service three separate pits within a single mining lease but hauling raw stone to a central fixed plant was costing over ¥1。2/ton/km in trucking expenses。｜الحل： Deployment of one HDCMCS1200L unit， sequentially moved between pits every 68 أسابيع。｜النتائج： Eliminated over ¥180，000 monthly in trucking fuel and maintenance costs。 The plant’s quick setup allowed each pit transition within one nonproductive shift。
Aggregate Producer Supplying Cement Plant｜Challenge： Existing stationary primary crusher produced excessive fines (<3مم)， which was waste for their coarse aggregate contracts， yet valuable as cement raw material。 They lacked efficient separation。｜الحل： Implementation of our mobile solution with an added secondary screen deck。 The circuit was tuned to scalp out fines precrush while separating two coarse product fractions postcrush。｜النتائج： Created two new revenue streams from previously wasted fines （sold directly to the cement plant）and improved yield of premium coarse aggregate by approximately18%。 Payback period was calculated at under14 months。
7。 الاعتبارات التجارية
Our solutions are offered under clear commercial structures designed for capital planning：
طبقات التسعير
1。 Base Equipment Package （Core crushing， تغذية， نقل， power）： Competitive capital investment aligned with production capacity。
2。 Enhanced Configuration （+ Closedcircuit screening module， enhanced dust suppression）： Adds approximately1520％to base price。
3。 FullScope Package （+ Onboard generator for full offgrid capability， spare wear part kit）： Adds approximately2530％to base price。
الميزات الاختيارية：
• Remote telematics package for fleet health monitoring。
• Specialized liner profiles for higher silicacontent limestone。
• Coldclimate packages （engine block heaters， hydraulic oil preheaters）。
حزم الخدمة：
• Comprehensive Commissioning & تدريب المشغلين。
• Scheduled Maintenance Plans （parts + labor）。
• Performance Guarantee Agreements tied to uptime。
خيارات التمويل：
We work with established financial partners able offer equipment leasing structures or term loans that align payments with your project cash flow。
8。 التعليمات
Q1 Is this mobile plant compatible with our existing downstream processing equipment？
A Yes These plants are engineered as modular units Standard discharge heights conveyor widths are designed integrate seamlessly into existing transfer points We conduct prepurchase site reviews confirm interface compatibility。
Q2 What is expected operational impact during commissioning？
A Our supervised commissioning process typically requires35 days This includes positioning final setup calibration operator training We aim achieve full design capacity within this period minimizing rampup time。
Q3 How does wear part replacement handled what is typical lead time？
A All critical wear parts jaw plates liner plates grizzly bars are standardized stocked regionally within China Typical lead time replacement parts from order receipt delivery is710 working days We provide detailed part lists local supplier contacts。
Q4 What are key operator skill requirements？
A The system controlled via intuitive PLC interface We provide certified training covering normal operation basic troubleshooting The plant designed require fewer operational personnel than equivalent fixed plant setups。
Q5 Can you provide detailed ROI analysis specific our mine plan？
A Absolutely Our technical sales team utilizes your production data feed material characteristics operating cost assumptions build pro forma financial model This quantifies potential savings areas like fuel wear downtime provides evidencebased decision framework。
Q6 What environmental compliance documentation provided？
A The equipment supplied meets relevant Chinese machinery safety noise standards The integrated dust suppression system performance data provided support your environmental impact assessment applications。
Q7 What warranty coverage included？
A We offer standard12month warranty manufacturing defects materials workmanship Extended warranty options major components available purchase separately