Concrete MixersMB-T 1,0-2,25-3,33-5,0 m³

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Achieving the desired homogeneity and workability of modern concrete mixtures, within the shortest period possible, is often the most critical phase of concrete production, therefore, the need for reliable, high quality mixing equipment is essential. With each and every MEKA Concrete Plant, a MEKA Twinshaft Concrete Mixer is at its heart, which is a combination you can always rely on. MEKA offers an extensive range of high performance concrete mixers – Single-Shaft, Twin-Shaft, Planetary or Pan with variety of different capacities, ensuring we comply with every concrete mixing requirement. MEKA Twin-Shaft concrete mixers have proven to be reliable and built to the highest quality, resulting in MEKA equipment being the choice of many professionals, in over 70 countries around the world.

HEAVY AND ROBUST

  • MEKA Twin-Shaft concrete mixers offer long life, as they are 5-10% heavier than most of their equivalents on the market today, due to their robust steel structure and thick interior abrasion proof linings.

NI-HARD IS THE KEY

  • We offer NI-HARD alloy cast wearing linings in our Single Shaft Mixers as standard. This particular alloy is well known for its abrasion resistance and is used in a variety of different applications, such as concrete mixing, coal and other mineral grinding, slurry pump manufacturing, concrete pumping, piston manufacturing, gears manufacturing and many others. Despite being more expensive at the outset, Ni-hard outperforms other alloys in terms of abrasion resistance and overall operating costs, as NI-HARD is proven to have up to 3 times the wear life of standard alloy materials.

WHY USING NI-HARD?

  • The rigidity of NI-HARD material is identical through every section and layer, therefore, abrasion rates do not vary, as the plates begin to wear and subject to the rigidity of the aggregates used, the life expectancy of the Ni-Hard mixer wear parts, can reach a production capacity of up to 1,000,000 m³, depending on the mixer type and its volume.

UNIQUE PADDLE STRUCTURE

  • Twin-Shaft Mixer paddle structure has been specifically designed for strength and abrasion resistance. Each Pallet group has been reinforced against failure, and the concave structure, improves life expectancy. The design and quality of our mixer paddle structures, are market leading and the quality is often compared to many German products on the market today. The life expectancy of the mixing group, is equal to the abrasion proof liners and cast thickness of the mixer structure, therefore, the life expectancy of MEKA equipment is more than often, in excess of many of our competitors. MEKA Twin-Shaft mixers are capable of blending materials with particle sizes of up to 150mm in diameter. The paddle angle of 45° also means it can withstand higher loads, therefore it is capable of mixing zero slump concretes, RCC mixes and all types of ready mixed concrete mixtures.

UNIQUE BEARING AND SEAL DESIGN

  • The specially designed Bearing and Twin-Shaft Mixer seal group, consists of a number of metallic and polyurethane components. The bearings are place on the outside of the mixer in the specially designed housing, which prevents the ingress of cementitious grouts, if a seal failure should occur, therefore, with the correct routine maintenance, the life expectancy of each bearing can exceed 500,000 m³ of production. The Labyrinth seal structure, encapsulates the grease, provided by the automated greasing system, to create a seal, preventing the grout from penetrating the bearing.

PERFECT LUBRICATION SYSTEM

  • The Centralized automatic lubrication system, continuously supplies the mixer labyrinth seals, with sensors on each seal, to ensure, you are informed of a failure, before it is too late.

IN RCC GRAIN SIZE MATTERS

  • Twin-Shaft Mixers normally work with particle size of approximately 50mm. However, in RCC applications twin-shaft mixers can mix aggregates up to 150mm in diameter.

MIXER TOP COVER

  • Dustproof mixer cover is equipped with wide maintenance hatch with safety switches, supported by industrial gas shocks for secure and easy access for maintenance. Several connection types for loading of materials and other controls are available

WATER DISTRIBUTION SYSTEM

  • We offer water distribution pipe with distribution nozzles working by gravity by default. Several discharge types and sprayers, gravity or pressurized are available upon request according to the application.

MIXER DISCHARGE GATE

  • A hydraulic rotary discharge gate with position sensors is supplied as standard. Several options for twin discharge legs are available upon request.

HYDRAULIC DRIVE FOR DISCHARGE GATE

  • Discharge gate is driven by a hydraulic power pack, which ensures the full open and close. Manual operation with the help of a manual pump in case of an emergency is possible.

MAINTENANCE PLATFORM

  • All MEKA Twin-Shaft mixers are supplied with a maintenance platform as a standard.

OPTIONAL FEATURES

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OPTIONAL ITEMS (when supplied separately)

DISCHARGE CHUTE

  • A discharge chute can be supplied upon request with or without rubber chute.

MIXER MOISTURE PROBE

  • A microwave moisture sensor reading at 25 times per second and combined with on-board functionality such as signal processing, smoothing and averaging accurately measures the moisture content of material as it passes over the ceramic faceplate

MIXER TEMPERATURE SENSOR

  • No matter what is the season, cold or hot, the purpose of this sensor is to ensure that the temperature of the mix is within acceptable levels.

SAFETY POWER TAKE-OFF KIT

  • For the safety of working environment we offer a wide range of safety power take-off kits for mixers and other parts of concrete plants.

AUTOMATIC HIGH-PRESSURE WASHOUT SYSTEM

  • An optional mixer washout system with a 100-bar water pump and two rotating heads (10 nozzles) can be supplied upon request.

PRESSURIZED WATER DISTRIBUTION

  • According to the application, we can offer a low-pressure water spray system for water discharge and special distribution nozzles.

MIXER TOP FILTER

  • A separate filter or dust bag for mixer can be supplied upon request.

SOFT STARTERS

  • Soft starters for smooth start-up of the mixers are available upon request.

TWIN-DISCHARGE

  • Two-way discharge can be supplied as an option to maximize the capacity of the plant and to ease the operation

MORE POWER

  • More powerful motors and gearboxes can be supplied according to the application, such as heavyweight concrete with lead or iron ore, low slump concrete and others

WIDE AFTER-SALES NETWORK

  • We are always around to support our equipment with our regional offices, dealers and spare part warehouses worldwide.

HIGH PRECISION MACHINERY

  • The use of technologically advanced CNC boring equipment ensures all MEKA mixer structures are perfectly aligned to ensure the parallelism of the mixing shafts.

SPECIAL APPLICATIONS

  • The design of the mixers can be changed or improved according to special applications like RCC concrete, heavyweight concrete, low slump road concrete and others.

SWIVEL DISCHARGE CHUTE

  • We can offer a swivel discharge chute to protect the mixer trucks from concrete leak on drive through layouts.

TECHNICAL

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SPECS
metric/imperial MB-T 1,0 MB-T 2,0 MB-T 3,33 MB-T 5,0
Types MB-T 1,0 m³ MB-T 2,0 m³ MB-T 3,33 m³ MB-T 5,0 m³
Loading Dry Capacity 1,5 m³ 3 m³ 5 m³ 7,5 m³
Fresh Concrete Capacity 1,25 m³ 2,5 m³ 4,16 m³ 6,25 m³
Compacted Concrete Output 1,0 m³ 2,0 m³ 3,33 m³ 5 m³
Motor Power 2×18,5 kW 2×37 kW 2×55 kW 2×90 kW
Mixer Weight 4.460 kg 7.200 kg 10.280 kg 12.380 kg
Mixer Body Welded, SAND BLASTED and Layer Painted (Prime+Color)
Paint JOTUN (Norway) / KANSAI (Japan), Thickness 120-200 micron
Motor Safety Adjustable Thermic Overload Protection Relay SIEMENS (Germany)
Gearbox/Transmission Planetary type BONFIGLIOLI (Italy) / Elastic transmission with synchronization shaft
Mixing Shaft / Arms Two robust shafts made from forged steel / Arms from cast steel, replaceable
Shaft Alignment Ultra precision CNC robot machine with strict quality control
Shaft Cleaning Rings Included by default between the arms
Main Body Wearing Plates Ni Hard 4 (Hardness 600 Brinell) – 20 mm thickness, replaceable
Mixing Arm Wearing Plates Ni Hard 4 (Hardness 600 Brinell) – 30 mm thickness, replaceable
Automatic Lubrication BEKA-MAX (Germany) with sensors for each bearing, up to 280 Bar, 4 kg
Bearings / Seals Long-life bearings with labyrinth type unique design steel and plastic seals
Discharge Gate Hydraulic, rotary with manual pump for emergency discharge
Discharge Control 2 switches with wide range control in automation (time for opening, time for waiting)
Water Distribution From nozzles over shafts, discharge by gravity
Emergency Stop Button Lockable, according to CE regulations
Dust Suppression By-Pass system connecting the Mixer, Cement Scales and Agg. Holding Hopper
Maintenance Cover With safety switch, wide, dustproof, including inspection hatch with safety grid
Inspection Platform Wide, non slippery grid, flippable
Wiring Completely pre-wired to the IP55 Junction Box on main chassis
Discharge Chute With replaceable wearing liners

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