The coarse material washer is a washing equipment which consists of one or two shafts equipped with paddles and spirals in a tank at a certain inclination.
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Coarse Material Washer
When you need more than high pressure spray bars, MEKA Coarse Washers will happily break down mudy clumps for you. With configurable speed, screw and paddle configuration the unit can easily be adjusted for various applications.
Applications
Coarse material washers are used to remove dirty material from a coarse aggregate. This material includes very water soluble slimes, silts, soft clay, and organic particles.
They are often used as a final wash following a wet screen and are designed to scrub and clean gravel and crushed stone up to 75mm (3’’) in size. Both single and double spiral units are available depending on the capacity required.
Why MEKA Coarse Material Washer?
- Durability
Cast bolt-on paddle assemblies deliver the ultimate in durability as does the leak-proof heavy-duty tank.
- Reliable Drive Assembly
The high efficiency drive assembly reduces power and maintenance requirements resulting in increased life and reduced operating costs.
- Maximum productivity
Capable to produce up to 450 mtph (500 stph) delivering extreme productivity where you need it most.
- Configurable Paddle and Screw Layout
Can be easily configured with numerous bolt-on paddle and flight arrangements to satisfy even the most precise specifications.
Coarse Material Washer Technical Specifications
MCW 3618S |
MCW 3618D |
MCW 4420S |
MCW 4420D |
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| (Single Screw) | (Double Screw) | (Single Screw) | (Double Screw) | |
| Screw Diameter x Tube Length (mm x mm) | 928x5600 | 928x5600 | 1118x6350 | 1118x6350 |
| *Capacity (mtph) | 130-160 | 270-320 | 180-230 | 360-450 |
| Material (mm) | 0-65 | 0-65 | 0-75 | 0-75 |
| Power (kW) | 30 | 2x30 | 37 | 2x37 |
| Screw (rpm) | 16-32 | 16-32 | 13-26 | 13-26 |
| **Weight (kg) | 6500 | 10800 | 9000 | 15500 |
| Water (m3/h) | 90-135 | 160-220 | 110-170 | 220-250 |
*Capacity values are indicative only, results may vary depending on feed gradation, silt, clay content, density, amount of water used, equipment configuration and application.
**Weights shown include drive motor package, support legs, maintenance platform, inlet and outlet chutes
Coarse Material Washer Gallery
What is Coarse Material Washer?
Coarse Material Washer is a washing equipment consist of shafts with paddles and spiral screw flights to provide scrubbing and agitation.
They effectively remove soluble clays in gravel or aggregate that cannot be removed by wet screening alone. They can also be used to remove floating organic waste material such as vegetation.
Types of Coarse Material Washer
How Does Coarse Material Washer Work?
Advantages of Using Coarse Material Washer
Coarse Material Washer Processes Applications
Screw provides agitation motion which propel the settled heavier material upwards while the finer light material move back with the water.
- Accepts sizes up to 75 mm
- Successful material cleaning with less water
- Great Achievement in dewatering
- Low operation and investment costs
In particular the removal of impurities such as clay and silt in the sand and the supply of sand in the desired specifications.
