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Mike Jager
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Filtro prensa MC Press® para el sector de la minería

Al ofrecer características de diseño únicas y un funcionamiento simplificado, el filtro prensa MC Press® logra las tortas de filtro más secas.

The MC Press Filter Press from Evoqua is one of the most versatile dewatering devices for use in high solids filtration applications which is designed and manufactured under the strictest ISO 9011:2008 quality management system. With unique design features and a simplified operation, it can achieve the driest filter cakes with or without diaphragm squeeze. The MC Press® filter press provides high cake discharge consistency, low cake moisture content and superior reliability coupled with greatly reduced maintenance requirements.

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 Design Features and Advantages

Sistema de lavado de la tela

  • Característica: todas las telas pueden lavarse después de cada ciclo de descarga de la torta, o con la frecuencia necesaria. 
  •  Ventaja: extiende la vida útil de la tela y mejora el funcionamiento de la prensa al limpiar las superficies de sellado entre las placas evitando las pérdidas de producción.


Sistema de monitoreo de descarga de la torta (opcional)

  • Característica: se realizan verificaciones del brazo fotoeléctrico para determinar que todas las telas estén en posición elevada cuando la prensa está completamente abierta. 
  •  Ventaja: garantiza que todas las tortas se hayan descargado de la prensa antes de proceder con el siguiente ciclo.


Ensamblaje de recorrido de placas (modelos S y D)

  • Característica: la prensa se abre y se cierra mediante un sistema de accionamiento mecánico que es fácil de comprender y de mantener.
  • Ventaja: los costos de mantenimiento son reducidos. No se requieren herramientas especiales ni capacitación en mantenimiento especializado.

Barras de tela con soporte de resorte

  • Característica: las telas se mueven hacia abajo a medida que las tortas se descargan. Las tortas se separan de las telas cuando las barras de soporte de las telas alcanzan el final del recorrido.
  • Ventaja: el cambio de tela se realiza en dos minutos. Se ha comprobado que es el método de descarga de torta de filtro más confiable.

Barras de vibración

  • Característica: actúan como un respaldo para el sistema de descarga de la torta principal. Se activan cuando el sistema de monitoreo de descarga de la torta detecta que una o más tortas no se han descargado.
  • Ventaja: asisten en la descarga de la torta de filtro si las condiciones del proceso cambian y si las tortas se vuelven pegajosas.

 

Placas de filtro enlazadas

  • Característica: las tortas de filtro deshidratadas se descargan rápidamente a medida que la prensa se abre.
  • Ventaja: los tiempos de ciclo son más cortos y la producción es mayor.

Marco de la prensa

  • Característica: puede proveerse con capacidad para placas de filtro adicionales.
  • Ventaja: la prensa puede optimizarse fácilmente a un costo mínimo para lograr una mayor producción en el futuro.

 

Placas de filtro

  • Característica: son de polipropileno liviano con excelente resistencia a la corrosión. Cuentan con componentes de desgaste reemplazables en áreas críticas.
  • Ventaja: su vida útil es prolongada y los costos operativos son más bajos.

 

Cilindros de fijación hidráulicos

  • Característica: mantienen una fuerza de fijación adecuada durante el ciclo de la prensa. Los cilindros son fuertes y fáciles de mantener.
  • Ventaja: los costos de mantenimiento se minimizan.

 

Puertas de derivador

  • Característica: se cierran para evitar que el agua de lavado ingrese en el sistema de transporte de la torta. Se abren para permitir la descarga de la torta. Su diseño es fuerte, para servicio pesado y funcionamiento automático.
  • Ventaja: evitan que el agua de lavado de la tela vuelva a humedecer las tortas de filtro después de la descarga. El mantenimiento es mínimo y no requiere un operador.

 

Cubetas de lavado

  • Característica: canalizan el agua de lavado desde las puertas de derivador hasta un drenaje. Su fondo en forma de V con boquillas de purga ubicadas en cada extremo evita la acumulación de sólidos.
  • Ventaja: reducen los requisitos de mantenimiento para limpiar las cubetas obstruidas.

 

 

 

 


 

 

 


 


 


 

 Industry-Leading Mining Dewatering Technology

Improved Uptime, Efficiency and Costs

  • The driest cake — minimizes handling and processing costs
  • The clearest liquid effluent — suitable for reuse, improves water conservation
  • Reliable performance and very high uptime — reduces operating costs
  • Durable robust design and construction — minimizes maintenance costs

 

Flexible Products for Every Mining Application

Evoqua provides efficient and cost effective dewatering solutions for a full range of mining applications, with unique features to suit your individual needs. Our MC Press® filter press is a high speed, fully automated solution, ideally suited for applications that dewater quickly and require high throughput.

 Typical applications include:

  • Mineral concentrates
  • Tailings
  • Other high throughput, rapid dewatering applications

 

Merrill Crowe Process

With over 100 installations worldwide, the J-Press® filter press is the preferred choice for Merrill Crowe filtration processes. Since our first Merrill Crowe installation in 1988, Evoqua has been building presses specifically designed for the precise requirements of this critical application. In order to provide the optimal filter press to meet your specific needs, we offer multiple choices for customization, including:

  • Systems ranging from completely manual to fully automated
  • Flexible press and plate sizes to suit any installation flow requirement
  • Your choice of plate styles
  • Plate and frame for use with filtration papers
  • Recessed chamber for use with precoat cloths
  • A full range of ancillary support equipment, including precoat systems, feed pumps conveyors and control system

 

Maximum Process Efficiency - Dedicated Solutions for the Mining Industry

Evoqua delivers the highest quality and most reliable filter press dewatering solutions to the mining industry. Our unrivaled experience and portfolio of products deliver the highest performance and return on investment — improving your operating efficiency and enhancing your competitive advantage. Our presses are known world wide for their precision engineering, rugged construction and reliable operation. Backed by a dedicated staff of dewatering professionals, our global technical support and service capabilities will make sure that you achieve the longest life and lowest cost of operation for your press. With thousands of installations around the world, you can trust Evoqua to take care of all your dewatering needs.

 

Built to the Highest Standards

Designed and manufactured under the strictest ISO 9001:2008 quality management system, filter presses from Evoqua provide solutions specifically for your unique mining application. Whether you require higher solids throughput for mineral concentrates, tailings, or a high rate filtration application, we have a high performance filter press in our portfolio for you.

 

Higher Throughput from Faster, Automated Cycles

With a mineral concentrate press cycle of 8–12 minutes depending on the model and number of plates, the MC Press® filter press provides an exceptionally high throughput rate. Feed times typically range from 1.5–2.5 minutes, with filter plates linked together accordion-style for rapid cake discharge. These efficiencies allow the press to complete as many as 150 cycles per day without interruption. The MC Press filter press also benefits from a complete automation and instrumentation package, eliminating the need for an operator. A feed flow meter and pressure transmitter indicate press fill completion, and load cells determine the solids production rate while controlling moisture during cake air blow.   

Backup Cake Discharge Mechanism

The MC Press filter press employs a dual system to ensure discharge of all dewatered filter cakes. Filter cloths suspended by spring-supported bars are pulled down by the weight of the filter cake, stopping suddenly at the end of their travel, and shearing the cake from the cloths. The springs then return the bars to their normal raised position. Should the cakes fail to discharge, the cloth support bar remains in the lowered position. After a photo-eye verification of the discrepancy, a vibration bar engages it to ensure complete filter cake discharge. If the cloth support bar continues to remain in the lowered position, the press cycle stops and an alarm sounds, ensuring the press does not operate with cakes remaining in their filter chambers. As a critical step to ensure maximum cloth life and proper press sealing, a cloth wash system removes all remaining solids after each cake discharge cycle.

Three Frame Designs to Match Your Capacity Requirements

The MC Press® filter press is available in three unique frame designs, with plate sizes of 1.5 m x 1.5 m and 1.5 m x 2.0 m. All are available in a range of cake thickness and operating pressures to meet a wide variety of applications and production requirements. Each press can be further customized with either recessed chamber or membrane squeeze plates depending on your individual needs.

 

H Model

The H model incorporates a single, long stroke, hydraulic cylinder to close and clamp the plate stack and move the plates for cake discharge. Plates are linked together, allowing the filter cakes to discharge simultaneously as the press is pulled open by the hydraulic cylinder. The H model is available with up to 50 filter chambers for a throughput capacity of up to 65 tonnes/hour on a typical mineral concentrate.

 

 

S Model

The S model incorporates four short stroke hydraulic cylinders to clamp the plate stack and a plate traveler mechanism to retract the follower. Plates are moved by a mechanical chain drive system and are linked together, allowing the filter cakes to discharge as the press is pulled open by the drive assembly. The S model is available with up to 64 filter chambers for a throughput capacity of up to 90 tonnes/hour on a typical mineral concentrate.

 

 

D Model

 Ideal for larger operations, the D model incorporates many of the same features as the S model, with four short stroke hydraulic cylinders, a mechanical drive system for cake discharge, and linked plates. Both ends of the D model press move simultaneously, further increasing efficiency by speeding cake discharge. The D model is available with up to 130 filter chambers for a throughput capacity of up to 170 tonnes/hour on atypical mineral concentrate.

dewatering@evoqua.com Filtro prensa MC Press® para el sector de la minería