Versatile Screw Conveyors from m-tec®
Applications and Materials: m-tec® screw conveyors are ideal for horizontal and inclined, dust-free conveying and dosing of powdery and granular dry bulk materials. They efficiently handle materials such as sand, cement, lime, gypsum, additives, filter dust, and many more.
Specializations for Optimal Performance:
- For Fine Dosing: Dosing screws with accuracy up to 10 to 20 grams.
- For Explosive Materials: Explosion-proof screw conveyors, compliant with ATEX regulations.
- For Aggressive Substances: Corrosion-resistant stainless steel screw conveyors.
- For Poorly Flowing Media: Screw conveyors with a fluidization system at the inlet.
Technical Advantages:
- Optimal Customization: Modular design allows specific adaptations to the user’s needs by combining various drive capacities, gearboxes, and motor configurations.
- Long Service Life: A specially developed sealing system by m-tec®, robust pipe and screw blade dimensions, as well as high-quality bearings and geared motors, ensure durability.
- High Maintenance Friendliness: Multiple maintenance openings and a freely movable hanging bracket make transport and installation easier.
- High Dosing Precision: Achieved through intelligent thread designs.
Screw Conveyors – Areas of Application:
- Feeding mixers
- Discharging from silos
- Removal from interchangeable containers
- Dosing into scales
Service and Support: m-tec®'s consulting and planning services are based on many years of experience in plant engineering, enriched by extensive feedback from plant operators.
The m-tec® LB Air Belt Conveyor – Innovation Through the Air Cushion Principle
How It Works: The m-tec® LB air belt conveyor utilizes the innovative air cushion principle, where air acts as a lubricant. A blower forces air through holes between the conveyor belt and the guiding trough, allowing the belt to glide almost friction-free on an air cushion. This technology eliminates the need for support rollers, enabling efficient and low-maintenance operation.
Modular Design – Flexibility and Cost Efficiency:
- The modular design of the LB allows for precise belt lengths by simply adding or removing modules.
- Each module features a sealed and pluggable air channel, eliminating sealing issues and reducing installation costs.
Available Belt Widths:
- LB 650
- LB 800
Advantages of the LB Air Belt Conveyor:
- Vibration-Free Transport: Ideal for transporting sensitive products without segregation.
- Low Friction: The belt glides on an air cushion, minimizing friction.
- Low Wear and Maintenance: Thanks to the air cushion principle and robust construction.
- Optimally Shaped Discharge Hopper: Ensures efficient material discharge.
Technical Data:
- Module Length: From 0.5 m to 4 m, self-supporting up to 6 m.
- Belt Speed: 1.3 m/s.
- Reversible Operation: The conveyor is suitable for reversible operation, offering versatile applications.
m-tec® Rotary Valve – Optimal Functionality and Efficiency
Overview and Operation: The m-tec® rotary valve combines the functions of sealing and continuous discharge from mixer buffer containers. It enables controlled and consistent product discharge, independent of the type of product and fill level, proportional to the rotation speed of the valve. This precise control of "forced discharge" prevents issues such as overfilling downstream conveying systems.
Key Features and Advantages:
- Efficient Discharge Performance: Each valve is calibrated to the mixer’s production capacity, allowing for quasi-continuous production.
- Maintenance-Friendly: Equipped with large maintenance openings and tip switches for easy positioning of the rotor. Models ZS 1400 and ZS 2000 feature a split and removable longitudinal side, simplifying the quick replacement of wear strips.
- Cleaning Efficiency: Carefully designed chambers, combined with additional pneumatic cleaning, ensure residue-free discharge, making manual cleaning almost unnecessary during product changes.
Specifications and Adaptability:
- Dimensions: Available in lengths from 0.4 m to 2 m.
- Grain Sizes: Suitable for dry construction materials up to a particle size of 8 mm, capable of processing up to 16 mm.
- Rotation Speed: Adjustable from 0 to 21 RPM, allowing flexible adaptation to various production conditions.
- Materials and Sealing: Fitted with special elastomer seals and Hardox housings for long service life and reliability.
System Integration and Savings: The combination of m-tec® components—mixer, buffer container, rotary valve, and air belt conveyor—can lead to significant height savings in the plant, depending on mixer size, boosting overall efficiency and cost-effectiveness.