WASHING & CLASSIFYING LISTINGS:
Fine Material Washers
McLanahan Fine Material Screw Washers
Screw Washers are an effective way to wash, dewater, deslime and control the bottom end of the gradation. McLanahan Fine Material Screw Washers are easy to operate and maintain.
Fine Material Screw Washers Serve 3 Primary Functions:
- WASH – Removes slimes, silts and clays by allowing the material to roll and tumble upon itself, which causes material on material attrition. The waste particles are absorbed into the water and discharged over the weirs.
- DEWATER – By moving material up an inclined box via a spiral screw shaft, free water is allowed to drain away from the material into a drainage trough.
- CLASSIFY – Controlling the weir heights provides maximum retention of desirable product while allowing undesirable “fines” to float over the weirs.
The selection of a Fine Material Screw Washer is based upon the type of material, feed gradation, desired product specification, capacity required and water volume, if in a slurry feed. All of these factors MUST be taken into consideration for proper sizing.
The McLanahan designed High-Rate Thickener is simple in design and operation with specific benefits for today’s producers. After removing usable materials from the effluent stream, Thickeners recover immediately re-usable process water adjacent to the plant site.
The availability of water at the point of use substantially reduces pumping HP. Because the volume of the Thickener’s effluent is small, there’s no need for large settling ponds and process water ponds to take up valuable real estate and other resources. This, then reduces water consumption and mitigates environmental issues.
McLanahan Rotary Scrubbers
Building our first rotary equipment in 1895, McLanahan has earned the reputation for being “reliable, rugged, stout and designed to last forever.” We have pushed ahead with new innovative designs and process ideas, always searching for ways to include modern components and features that make an operation more profitable. Rotary Scrubbers come in many styles and configurations. Using our vast rotary experience, McLanahan ensures that the correct machine is selected for every application.
Rotary Scrubbers can be used as a primary washing device to remove loamy, soluble clay completely or as a pre-washing device prior to crushing, screening and additional washing equipment.
These units can be outfitted with either single or double shell screen extensions to dewater and separate materials. Trommel Screens or Trommel Scrubbers offer an efficient way to remove soluble clays while screening material at the same time.
The continuous lifting and dropping action in rotary equipment helps abrade, scrub and break-down soluble contaminates in the feed material. Rotary Scrubbers can handle large feed sizes and high tonnages in comparison to other types of washing equipment. As an added benefit, they are lower in operating and maintenance costs.
McLanahan Ultra Sand Plant
The McLanahan Ultra Sand Plant is a system for natural and manufactured sands utilizing Cyclones, Dewatering Screen(s), Sumps and Pumps. It is designed to control the bottom end of the sand spec while producing the driest possible product.
McLanahan can engineer Single and multiple product systems along with modular plants.
•Highest production rate
McLanahan Ultra Clean Attrition Scrubber
The Sand Stabilization Process (SSP) uses proven mineral processing techniques to effectively deal with deleterious materials affecting Durability and SE’s. By creating an environment of high shear, coupled with state-of-the-art dewatering and desliming technologies, the process is a significant improvement over Screw/ Blade-mill based processes which are a current industry standard.
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