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MEC

MEC

Product catalog summary

Overview

The CORAL MEC 4/6/8 series is a modular, sleeve-type air filtration system designed for continuous automatic unloading of wood chips, dust, and sawdust in industrial environments. Constructed from galvanized steel, it features an upper body housing cleaning devices and filtering sleeves, and a lower body with a hopper and rotary valve for material evacuation. The system operates under pressure, with dusty air entering either a pre-chamber or hopper to facilitate particle settling before filtered air exits.

Design and Operation

Air Inlet Configurations: Two versions exist—Version A with air inlet into the pre-chamber and Version B with air inlet directly into the hopper, impacting installation and airflow dynamics.
Filtration Process: Dust-laden air enters the system, heavier particles settle in the pre-chamber or hopper, and air passes upward through 220 mm diameter polyester needlefelt filtering sleeves before exiting filtered.
Air Handling: Filtered air can be recycled into the workspace to conserve energy or expelled externally via a bypass valve and outlet plenum.

Filtering Media and Efficiency

Polyester needlefelt media is available in two types: Type A for coarse chips and Type B for fine dust.
Certified filtering media options (BIA, USG, USG.C) are available to meet stringent emission standards.
Filtration surface area and media selection can be tailored to comply with regulatory requirements and optimize efficiency.

Energy Efficiency and Air Recycling

Recycling filtered air back into the environment prevents temperature drops in workspaces, resulting in significant energy savings.

Maintenance and Accessibility

Inspection doors on the hopper and side panels provide easy access for monitoring and maintenance of filtering sleeves.
Filtering sleeves are tensioned via adjustable tensioning plates to maintain optimal filtration performance.
Optional service stairs and walkways comply with safety regulations for safe maintenance access.

Safety Features

Optional certified explosion relief panels safely vent excess pressure or explosions within the filter.
Anti-return valves enable multiple fans to connect to a single pre-chamber, preventing backflow and allowing flexible system configurations.

Control and Automation

An optional electrical control panel manages operational cycles including startup, shutdown, and cleaning sequences, customizable to installation needs.
Advanced automation is available via an optional programmable logic controller (PLC).

Material Discharge and Cleaning

The rotary valve automates material unloading with a capacity of 45 m³/h, reducing manual labor compared to traditional bag filters.
Cleaning of filtering sleeves is performed by cyclic electromechanical shaking or reverse airflow generated by axial fans.
Collected dust is discharged into pneumatic transport piping or storage containers, enabling fully automated operation including feeding wood waste boilers.

Fire Prevention and Extinguishing Systems (Optional)

Prevention and Extinguishing System: Features an optical spark detector in the inlet duct, low-voltage powered, controlling water spray solenoid valves, fire dampers, alarms, and fan shutdown.
Extinguishing System: Mounted on the filter with piping, spray nozzles, and hydraulic connections for fire suppression.

Technical Specifications

Filtering sleeves diameter: 220 mm
Filtering media: Polyester needlefelt Types A and B; optional certified media
Rotary valve discharge capacity: 45 m³/h
Operating mode: Pressure operation with two air inlet options
Cleaning methods: Electromechanical shaking or reverse airflow
Safety options: Explosion relief panels, anti-return valves, fire prevention/extinguishing systems
Control options: Electrical control panel with optional PLC

Model and Component Details

Models MEC 4, 6, and 8 vary by filtering surface area, number and height of sleeves, and inlet/outlet dimensions.
Motorized shakers range from 0.085 to 0.095 kW, with 2 to 4 motors depending on model size.
Rotary valves VS 250 and VS 350 provide capacities of 16 m³/h and 33 m³/h respectively, matched to model size.
Inlet dimensions vary from 700x250 mm to 900x450 mm, critical for proper integration.

Accessories and Optional Components

Soundproof boxes (AFON silencers)
Air diffusers with grates
Fire extinguishing systems and spark detectors
Explosion relief panels
Electrical control panels with PLC options

Best Practices and Recommendations

Select filtering media and surface area based on dust characteristics and regulatory requirements to ensure compliance and optimal filtration.
Utilize air recycling to maximize energy efficiency and maintain ambient temperature.
Perform regular maintenance using accessible inspection doors and adjustable tensioning to sustain filter performance.
Incorporate optional safety and automation features to enhance operational safety and efficiency.

Conclusion

The CORAL MEC filtration systems offer automated, efficient, and flexible solutions for industrial dust extraction with advanced safety and energy-saving features. Their modular design and extensive optional accessories allow customization to meet diverse operational and regulatory demands across multiple industries.

Additional Notes

Specifications are subject to change without notice; always verify with the manufacturer.
The product range supports applications in metalworking, chemical, electronics, textile, food processing, woodworking, and automotive sectors.
Manufacturer provides engineering support across multiple European countries.

Catalog excerpts

ANTIPOLLUTION SYSTEMS

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Tetto Motovibratore Telaio reggimaniche Maniche filtranti Portello d’ispezione Piastra tubiera Precamera d’ingresso aria Diffusori aria con griglia Toit Motovibreur Châssis porte-manche Manches filtrantes Volet d’inspection Plaque a trous Prechambre Disegno 1 Dessin 1 Drawing 1 Zeichnung 1 Plano 1 VERSIONE A ENTRATA IN PRECAMERA VERSION A AVEC ENTREE EN PRECHAMBRE DE DECOMPRESSION VERSION A WITH AIR INLET INTO PRE-CHAMBER VERSION A MIT EINBLAS IN DER VORKAMMER VERSION A ENTRADA EN LA PRECAMARA Einblas-Vorkammer Ausblasstutzen mit Gitter a sottostazione CORAL mod. MEC è di tipo modulare a maniche...

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Jambes Trémie Ecluse rotative Volet d’inspection Vis sans fin à trasport (optional) Gambe Tramoggia Valvola stellare Oblò d’ispezione Coclea (optional) Entrata in tramoggia Entrée dans la trémie ® Air inlet into hopper Füsse Trichter Zellenradschleuse Inspektionsfenster Schnecke (optional) Einblas im Trichter aria satura di particelle inquinanti Air sature de copeaux, poussieres de ponçage ou sciures Dusty air Stäubige Luft Aire contaminado he CORAL MEC filtering-station is of the modular sleeve type with continuous automatic unloading, for filtering woodchips, dust and sawdust. The structure...

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Efficienza di filtrazione Il media filtrante impiegato é feltro agugliato in poliestere. Il poliestere è disponibile in due grammature: tipo A adatto per trucioli grossolani, tipo B per polveri più fini. A richiesta é disponibile come optional media filtrante con certificazione BIA USG o USG,C Concentrazione in uscita: si può ottemperare alle più severe normative vigenti con un’opportuna scelta del media e della superficie filtrante. Efficienza e recupero energetico La possibilità di restituire l’aria filtrata in ambiente permette di ottenere notevoli risparmi energetici poichè così non si determinano...

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MEC con entrata in precamera MEC avec entrée en prechambre de decompression MEC with air inlet into pre-chamber MEC, Einblas in der Vorkammer MEC con la entrada en la precamara Une filtration efficace Comme média filtrant, on peut utiliser du feutre aiguilleté en polyester. Le polyester est disponible en deux poids: type A, pour les copeaux grossiers; type B, pour les poussières les plus fines. Sur demande on peut obtenir en option un media filtrant avec certification BIA, USG ou USG, C. Concentration en sortie: en choisissant le média et la surface de filtration les plus adaptés, on se conformer...

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Filtering efficiency The filtering media used is polyester needlefelt. The polyester comes in two weights: type A suitable for rough chips, type B for finer dust. Only on request it is available, as optional, the filtering media with certification BIA USG, or USG,C Outlet concentration: it is possible to meet the most stringent current regulations by choosing the filtering media and surface appropriately. Efficiency and energy recovery The possibility to recycle the filtered air makes it possible to save considerable amounts of energy because the temperature is not lowered in the working area...

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MEC con entrata in tramoggia MEC avec entrée dans la trémie MEC with air inlet into hopper MEC, Einblas im Trichter MEC con entrada en la tolva Hoher Abscheidegrad Als Filtermittel wird Polyester Nadelfilz verwendet. Den Polyester gibt es in zwei Gewichtstypen: Typ A für gröbere Späne, Typ B für feineren Staub. Filtermedien nach BIA USG oder USG, C auf Anfrage. Emissionswerte: durch eine entsprechende Auswahl der Filtermedien und Filterfläche Können die verschiedenen Vorschriftsanforderungen erfüllt werden. Leistungsfähigkeit und Energierückgewinnung Durch die Möglichkeit, die gefilterte Luft...

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MEC 6 con coclea di trasporto MEC 6 avec vis de transport MEC 6 with screw conveyor MEC 6 mit Förderschnecke MEC 6 con tornillo de transporte Eficiencia de filtración El elemento filtrante empleado es el fieltro de poliéster. El poliéster se encuentra a disposición en dos gramajes: tipo A, apropiado para virutas gruesas; tipo B, para polvos más finos. A petición está disponible como opción el elemento filtrante con certificación BIA USG o USG.C Concentración en salida: se puede adecuar a las más severas normas vigentes, con una apropiada selección del elemento y de la superficie filtrantes. Eficiencia...

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• Impianto antincendio e rilevamento scintilla • Installation anti-incendie et détecteur d’étincelles • Fire exstinguishing system and spark detector • Trockenlöschleitung und FunkenMelder • Instalacion antincendio y detector de chispas Pannello antiscoppio Panneau antiexplosion Explosion relief panel Druckentlastungspaneel Panel antiexplosion Diffusore aria con griglia Diffuseur avec grille Air diffuser with grate Ausblas-Diffusor mit Schutzgitter • Difusor de aire con reja Silenziatore AFON Silencieux AFON Silencer AFON Schalldämpfer Silenciador AFON Canalizzazione varia Tous type de canalisation...

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Versione A con entrata in precamera* Version A avec entrée en prechambre de decompression* Version A with air inlet into pre-chamber* Version A mit Einblas in der Vorkammer* Version A con la entrada en la precamara* Modello - Modéle Model - Modell - Modelo MEC 4/SP/A MEC 4/SPH/A MEC 6/SP/A MEC 6/SPH/A MEC 8/SP/A MEC 8/SPH/A Motovibratore - Motovibreur Motorized shaker - Motovibratoren - Motovibrador Modello Modéle Model Modell Modelo Potenza - Puissance Power - Leistung - Potencia 50 HZ Modello Modéle Model Modell Modelo N° uscite N. sorties Nr. outlet Zahl der Ausblasstutzen N. salidad Dimensioni...

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Versione B entrata in tramoggia* Version B avec entrée directement dans la trémie* Version B with air inlet into hopper* Version B, Einblas im Trichter* Version B entrada en la tolva* CARATTERISTICHE TECNICHE CARACTÉRISTIQUES TECHNIQUES CARACTERISTICAS TÉCNICAS * La posizione delle uscite aria nei disegni é indicativa. Contattare l’Ufficio Tecnico della CORAL. *La position des sorties dans les dessins est seulement indicative. N’exitez pas à contacter le Bureau Technique CORAL *The air outlet position in the drawings is only indicative. Pls. feel free to contact the CORAL Technical Dept. for...

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