Addressing the Core Challenges of Modern Sand & Gravel Processing

Your operation faces relentless pressure: maximizing yield from variable deposits, controlling escalating energy and maintenance costs, and meeting stringent spec requirements—all while minimizing downtime. Inefficient processing directly impacts your bottom line. Are you experiencing inconsistent product gradation leading to premium product loss? Is unscheduled maintenance on aging equipment cutting into production hours? Are you struggling to balance throughput with the rising cost of water, قوة, and wear parts? The solution lies in precisionengineered equipment designed for the specific demands of commercial sand and gravel extraction.

نظرة عامة على المنتج: قدرة عالية, Modular Sand Classification & Dewatering System

This system is engineered for the continuous, highvolume separation and dewatering of sand fractions (عادة 100 mesh to ¼”) from a slurry feed. It optimizes the critical final stages of your wash plant to deliver dry, inspec product directly to stockpile.

سير العمل التشغيلي:
1. Slurry Infeed: Sandladen slurry from a cyclone or screen is distributed evenly across the full width of the system.
2. DensityBased Separation: A rising current of water fluidizes the sand bed, allowing fine, lowdensity particles to overflow while higherdensity, coarser sand settles.
3. ​التحكم في التدرج: Adjustable weirs and splitter gates enable precise cutpoint control, creating up to three product grades.
4. ​نزح المياه الميكانيكية: Settled sand is conveyed up an inclined deck, where gravity and screen vibration remove free surface moisture.
5. ​تفريغ المخزون: Dewatered sand (عادة 912% محتوى الرطوبة) is discharged via conveyor for stockpiling or loadout.

نطاق التطبيق: Ideal for medium to largescale sand operations processing bank run or pitrun material. Best suited for materials with a specific gravity consistent with natural silica sands or similar aggregates.

القيود: Not designed for primary washing of heavily claybound material or for processing gravel larger than 1/2". Feed preparation via scrubbing and screening is a prerequisite for optimal performance.

الميزات الأساسية: Engineered for Profitability

Patented Rising Current Classifier | الأساس الفني: Controlled upward hydraulic velocity | المنفعة التشغيلية: Precise separation of silt/clay from target sand fractions without blinding | تأثير عائد الاستثمار: Increases saleable product recovery by up to 5%, reducing waste pond volume.

DualFrequency Vibratory Deck | الأساس الفني: Independently controlled vibratory motors for linear motion | المنفعة التشغيلية: Optimized material conveyance and water drainage for consistent discharge moisture | تأثير عائد الاستثمار: Lowers hauling costs and prevents stockpile freezing by ensuring uniform product dryness.

Modular Splitter Gate System | الأساس الفني: Manually or hydraulically adjustable discharge gates | المنفعة التشغيلية: Onthefly creation of multiple spec products from a single feed stream | تأثير عائد الاستثمار: Enables premium product segmentation (على سبيل المثال, الرمال الخرسانية, رمل ميسون) from one deposit, maximizing resource value.

حزمة بطانة مقاومة للتآكل | الأساس الفني: UHMW polyethylene and hardened steel wear shoes at critical contact points | المنفعة التشغيلية: يطيل عمر الخدمة بشكل كبير في المناطق عالية التآكل | تأثير عائد الاستثمار: Reduces annual wear part replacement costs and associated downtime by an estimated 3040%.

تشحيم بنك الشحوم المركزي | الأساس الفني: Automated manifold delivering grease to all key bearings | المنفعة التشغيلية: يزيل نقاط التشحيم اليدوية, ensuring bearing longevity and reducing safety hazards | تأثير عائد الاستثمار: يقلل من وقت الصيانة المجدولة بنسبة 15 hours per month and prevents costly bearing failures.

المزايا التنافسية: مكاسب الأداء القابلة للقياس الكمي

| مقياس الأداء | معيار الصناعة (Conventional Screw Washer/Classifier) | هذا نظام تصنيف الرمال | ميزة (% تحسين) |
| : | : | : | : |
| الحمولة في الساعة (ل 30 mesh sand)| 75 100 الهيدروكربونات النفطية لكل وحدة | 150 200 الهيدروكربونات النفطية لكل وحدة| +80% ل +100% |
| Average Moisture Content at Discharge| 18% 25%| 9% 12%| ~50% reduction in carried water |
| استهلاك الطاقة المحدد (كيلوواط ساعة/طن)| ~0.45 0.60 كيلوواط ساعة/طن| ~0.25 0.35 كيلوواط ساعة/طن| ~35% more energy efficient |
| Annual Wear Part Cost per Ton| $0.08 $0.12/طن| $0.04 $0.06/طن| ~50% lower consumable cost |
Estimated based on processing average silica sand.

المواصفات الفنية

نطاق السعة: قابلة للتكوين من 100 لأكثر من 600 TPH depending on model and feed gradation.
متطلبات الطاقة: إجمالي الحمل المتصل بين 40 HP ل 125 HP (30 كيلوواط – 93 كيلوواط), يعتمد على حجم النموذج.
مواصفات المواد: Constructed with ASTM A36 steel mainframe; critical wear surfaces lined with AR400 steel or UHMW polyethylene; stainless steel components in water manifolds.
الأبعاد المادية (الموديل SC200): طول: 28 قدم (8.5م); عرض: 12 قدم (3.7م); ارتفاع (تسريح): 14 قدم (4.3م).
نطاق التشغيل البيئي: Designed for continuous outdoor operation in temperatures from 20°F to +120°F (29درجة مئوية إلى +49 درجة مئوية). Dust covers and weatherproof motor enclosures are standard.

سيناريوهات التطبيق

[الغرب الأوسط المنتج الكلي] تحدي: Needed to replace three aging screw classifiers that could not meet new concrete sand spec fineness modulus consistently, resulting in high recirculating load and pond silt buildup.

حل: Installation of a single highcapacity classification system with adjustable splitter gates after the primary screen.
نتائج: Achieved precise FM control (±0.05), increased total plant throughput by 22%, reduced pond dredging frequency from biannual to every four years.

[Southwestern Construction Materials Company] تحدي: High fuel costs were eroding margins due to hauling excessive water weight in washed sand; winter freezeups also caused stockpile handling issues.

حل: Integration of a dewateringfocused classification system into their existing wash plant circuit.
نتائج: Reduced average moisture content from 21% ل 10%, calculated annual fuel savings of over $48,000 in hauling costs, eliminated winter processing shutdowns due to frozen stockpiles.

الاعتبارات التجارية

يتم تحديد أسعار المعدات على أساس السعة والتكوين:
طبقة النظام الأساسي ($250400 ألف دولار): Includes standard classifier/dewaterer with single product discharge, basic liners, electric vibrators.
Advanced Configuration Tier ($400600 ألف دولار): Includes dualproduct splitter gates, hydraulic gate adjustment, حزمة كشط متميزة, centralized lubrication system.
Optional features include automated density control systems, camerabased monitoring packages, والتصميمات المعيارية المثبتة على الانزلاق للتثبيت بشكل أسرع.

تتوفر حزم الخدمة:
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Financing options include traditional equipment loans through our partner network as well as leasetoown agreements designed to match cash flow with seasonal production cycles.

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