1. APERTURA IMPULSADA POR EL PUNTO DE DOLOR

¿Los crecientes costos operativos y el tiempo de inactividad impredecible están erosionando sus márgenes de ganancias de arena y grava?? Los desafíos comunes de la industria incluyen:
Alto desgaste & Costos de mantenimiento: Abrasive materials rapidly degrade crusher liners, pantallas, y componentes de la bomba, leading to frequent part replacement and unplanned stoppages.
Clasificación de materiales ineficiente: La separación inconsistente del tamaño de las partículas da como resultado un producto fuera de especificación, reprocesamiento costoso, and lost revenue from premium aggregate grades.
Generación excesiva de multas: Overcrushing in primary and secondary stages creates an oversupply of lowvalue fines, diminishing the yield of highvalue concrete and asphalt sand.
Alto consumo de energía & Mano de obra: Inefficient plant layout and manually intensive processes, like feeder regulation and belt monitoring, drive up power costs and require constant operator intervention.
Water Management Complexity: Ineffective slurry handling and dewatering systems lead to water recycling issues, sediment pond overflows, and potential environmental compliance risks.

Is your operation equipped to transform these cost centers into controlled, predictable processes? The right core processing equipment is not an expense but a direct lever for profitability.

2. DESCRIPCIÓN GENERAL DEL PRODUCTO: SAND CLASSIFICATION AND DEWATERING SYSTEM

This sand classification and dewatering system is engineered for the precise washing, apresto, and moisture reduction of sand products in sand gravel mining operations. It is a closedloop solution designed to maximize product value and minimize water consumption.

Flujo de trabajo operativo:
1. Alimentar & Distribución: Slurry from a wash screen or attritioner is evenly distributed into the system’s feed box.
2. Clasificación Hidráulica: Material enters a rising current cyclone or hydraulic classifier, separating sand particles by size and specific gravity.
3. Deck Dewatering: Classified sand is discharged onto a highfrequency dewatering screen, where vibration forces remove surface moisture.
4. Almacenamiento & Reciclaje de agua: Onspec dewatered sand is conveyed to stockpile, while effluent water is channeled to a clarifier for recycling.

Ámbito de aplicación & Limitaciones:
Alcance: Ideal for producing concrete sand, arena de mampostería, arenas especiales, and glass sand from natural deposits or crushed rock. Effective for operations processing 50 a 500 tons per hour of sand feed.
Limitaciones: Not a substitute for primary washing or scrubbing of heavily claybound material. Feed slurry consistency must be controlled for optimal classification. Requires a consistent water supply and complementary settling pond or clarifier system.

3. CARACTERÍSTICAS PRINCIPALES

Precision Hydraulic Classifier | Base técnica: Controlled rising current water velocity | Beneficio operativo: Achieves accurate cut points for consistent product gradation meeting ASTM C33 or other specifications | Impacto del retorno de la inversión: Reduce el rechazo del producto hasta en 15% and increases premium product yield

HighFrequency Dewatering Screen | Base técnica: Linear vibratory motion with steep discharge angle | Beneficio operativo: Reduces moisture content in finished sand to 812%, minimizing hauling costs and preventing stockpile freezing | Impacto del retorno de la inversión: Lowers drying fuel costs if thermal drying is required; improves customer satisfaction with dripfree loads

Componentes de desgaste de poliuretano | Base técnica: Abrasionresistant cast polyurethane liners, nozzles, and screen panels | Beneficio operativo: Provides 35x longer service life than standard rubber or steel in highwash environments | Impacto del retorno de la inversión: Cuts component replacement costs by over 60% annually and reduces changeout downtime

Variable Speed Drive System | Base técnica: Integrated VFDs on feed pumps and screen vibrators | Beneficio operativo: Allows operators to finetune classification cut point and dewatering intensity based on feed material changes in realtime | Impacto del retorno de la inversión: Optimizes efficiency across varying deposit strata without manual component swaps

Modular Construction | Base técnica: Bolttogether subassemblies with prefitted piping | Beneficio operativo: Permite un montaje rápido en el sitio con soldadura mínima.; simplifica la reconfiguración o reubicación futura de la planta | Impacto del retorno de la inversión: Reduce el tiempo de instalación hasta en 40%, Reducir los costos de los contratistas y acelerar el tiempo de producción.

Integrated Flocculant Dosing Ports | Base técnica: Preplumbed injection manifolds at key slurry points | Beneficio operativo: Facilitates optimal chemical mixing for enhanced fines capture in closedwater circuits | Impacto del retorno de la inversión: Improves water clarity for recycling, reduces pond cleaning frequency by an estimated 30%

4. VENTAJAS COMPETITIVAS

| Métrica de rendimiento | Estándar de la industria (Conventional Cyclone & Pantalla) | This Sand Classification System | Ventaja (% Mejora) |
| : | : | : | : |
| Contenido de humedad del producto (Arena de hormigón) | 1520% typical discharge moisture| Coherente 912% discharge moisture| Arriba a 40% reduction in free water weight |
| Eficiencia de recuperación de multas (200 malla)~7080% recovery rate~Consistent >92% recovery rate~Up to ~22% more saleable material retained |
| Wear Life on Primary Liners~Rubber liners lasting ~4 months~Polyurethane liners lasting ~14 months~250% longer service life |
| Power Consumption per Ton~Fixed speed drives at constant load~Variable speed drives optimizing load~Field data shows 1018% menor kWh/tonelada |
| Footprint Requirement (for equal capacity)~Multiple units with separate supports~Single integrated structure with shared supports~Approximately 25% less floor space |

5. ESPECIFICACIONES TÉCNICAS

Rango de capacidad: Modelos disponibles desde 50 TPH a 400 TPH of dry solids feed (slurrydependent).
Requisitos de energía: Total connected power ranges from 45 kilovatios (para modelos más pequeños) a 150 kilovatios (for largest models), utilizing standard industrial voltages (460V/3Ph/60Hz).
Especificaciones de materiales: Contact surfaces utilize ASTM A36 structural steel with abrasionresistant AR400 steel at highimpact points. Classification chambers feature cast polyurethane. Screen decks are polyurethane modular panels.
Dimensiones físicas (Model SC200): Longitud total: ~9 millones; Ancho: ~4m; Altura (to top of feed box): ~5m; Approximate shipping weight: ~14,000 kg.
Rango de operación ambiental: Designed for ambient temperatures from 29°C to +45°C (20°F a +113°F). Electrical components rated for NEMA 4X (hosedown, corrosion resistant) entornos.

6. ESCENARIOS DE APLICACIÓN

Planta de producción de arena de hormigón

Challenge A Midwest producer struggled with inconsistent gradation yielding only ~65% ASTM C33compliant concrete sand from their deposit; the remainder was downgraded as fill material at significant revenue loss.
Solution Implementation of a Model SC150 Sand Classification System with precision hydraulic classifiers replaced their outdated rake classifier system.
Results Within one month of commissioning:
Production of spec concrete sand increased to over 92%.
Fines loss was reduced by twothirds.
Annualized revenue increase exceeded $280k based on increased premium product volume.

DredgeFed Mining Operation

Challenge A river dredging operation faced high pumping costs due to transporting excess water long distances from the dredge pond to the processing plant.
Solution Installation of a compact Sand Classification System directly on the dredge discharge allowed for primary dewatering at the pit face.
Results The system delivered:
A reduction in slurry volume pumped by over 35%, significantly lowering fuel consumption per ton produced.
Direct loading of dewatered sand onto haul trucks at the pit site versus pumping it miles away.

7. CONSIDERACIONES COMERCIALES

Niveles de precios de equipos
Tier pricing is based on capacity (TPH). Entrylevel systems (250 TPH) are quoted on project specifications.

Características opcionales
Advanced features include remote monitoring PLC packages with gradation trend tracking , automated flocculant dosing systems , stainless steel construction for corrosive environments ,y recintos de atenuación de sonido .

Paquetes de servicios
Threetier service plans are available:
1.Basic Warranty covering parts .
2.Platinum Plan extending warranty coverage .
3.Platinum Plus Plan adding annual inspections .

Opciones de financiación
Flexible commercial terms include capital lease , arrendamiento operativo ,and loan structures through partner financial institutions . Renttoown programs may be available .

8. Preguntas frecuentes

¿Qué equipo previo se requiere??
The system requires a consistent slurry feed typically provided by a wash screen log washer or attrition scrubber . Feed pumps can be included as part of the package .

How does this system integrate with our existing clarifier or settling pond?
It is designed as a complementary component . By removing most solids it significantly reduces the load on your clarifier improving its efficiency . Standard discharge flanges connect directly .

¿Cuál es el plazo típico de instalación??
For modular units installation typically requires days not weeks assuming prepared foundations are ready . Our project managers provide detailed site preparation guidelines .

¿Se ofrecen garantías de desempeño??
Yes performance guarantees based on achieving specified product gradation bands are included in commercial contracts subject .

What spare parts inventory should we maintain?
We provide recommended critical spares list which typically includes polyurethane wear parts specific screen panel modules .

Can this handle very coarse material like pea gravel?
No this system is optimized specifically for sandsized particles . For coarse aggregate rinsing separate solutions are recommended .

What ongoing operator training do you provide?
Comprehensive training during commissioning covers operation maintenance troubleshooting procedures . Training manuals digital resources are provided