Sand Plants

McLanahan is known for creating custom engineered process solutions to address the specific needs of each customer’s application. With its comprehensive range of wash equipment, McLanahan has developed a wide range of Sand Plants for washing, classifying, scrubbing, decontaminating and dewatering sand.Whether a customer simply needs to classify and dewater sand or needs a plant to classify sand into discrete fractions then blended to produce multiple products, McLanahan is able to provide a Sand Plant to meet your needs. Given a site’s gradation of the raw feed and the desired end product, our team of process engineers creates the right solution to fit your application and site specifications. Each Sand Plant is designed to help your operation be safer, simpler and smarter.

If needed, McLanahan can perform tests on material in our laboratory, including sieve analysis, percent solids, flocculation for treatment of wastewater/solids, attrition scrubbing, sink/float, SE and durability, as well as other specialized testing using our lab-scale equipment.

McLanahan’s custom engineered Sand Plants can be configured for multiple types of sand including washed natural or manufactured sand, specialty construction sands, roofing granules, filter sand, foundry sand, sports sand, recycled materials, and more. Contact us today to learn more how our Sand Plants can make you more efficient, more productive and more profitable.

Features / Benefits

Equipment Models

Ultra Sand Plants

Ultra Sand Plants are typically fed by a wash screen’s bottom deck discharge that reports directly to the Sand Plant. With a screen-fed application, the material reports directly onto the Dewatering Screen, allowing the screen media to separate the coarse sand fractions from the water and fine sand fractions. The material that passes through the screen area is pumped to a Cyclone/Separator™™, which is where sand classification occurs. Unwanted silts and ultra fines are removed, while the product-sized fines discharge back onto the Dewatering Screen to remove additional moisture. However, in certain cases, the feed can be very dilute or contain a high concentration of -200 mesh solids. In these instances, feed is directed to a collection sump first. Slurry is then pumped to a Separator™™ to remove the -200 mesh solids and water. Water, fine silts and clays are transferred to the slurry pond or other downstream process, while deslimed and partially dewatered solids are discharged onto the Dewatering Screen. The Dewatering Screen removes excess moisture in the sand and discharges a drip-free product. Water and fines that pass through the Dewatering Screen report to the sump and are recirculated through the system, minimizing the loss of sand-size product.

Due to the greater separation efficiency of Separators™™, Ultra Sand Plants are proven to provide a considerably higher product yield compared to fine material screw washers. With the use of a Dewatering Screen, Ultra Sand Plants consistently provide a product with much less moisture. It is not uncommon for them to have less than 50 percent of the water associated with a screw washer product. The end result allows immediate use of the product, higher angle of repose for more stockpile capacity, reduced water loss, and better housekeeping.

Recipe Sand Plants

Recipe Sand Plants are the most versatile for producing sand. Using equipment such as Hydrocyclones, Hydrosizers™, and Dewatering Screens, this plant is able to produce discrete sand fractions for storage in bins. Based on the desired end product, feeders at the bottom of these bins meter the exact quantity to meet the most stringent gradations. This type of Sand Plant is used to produce a variety of construction and specialty sands.

In-Line Blending Sand Plants

In-Line Blending Sand Plants offer many of the same advantages as Recipe Sand Plants, but with a smaller investment since bins are not required. After separating coarse and fine material (generally between 30-50 mesh), In-Line Blending Sand Plants blend fine material back into the coarse to meet specifications, increasing product yeild. After sand is fractionated, a PLC-based algorithm controls the ratios by which fractions are blended on the fly. Benefits of utilizing an In-Line Blending Plant include higher product yields, more flexibility due to blending options, drier products, and improved product consistency.

Classifying Tank Based Sand Plants

Click to learn more about our Sand Classifying Tank Based Systems.

Organics Removal Plants

Click to learn more about our Lites-Out™ System and organics removal capabilities.

Portable, Skid-Mounted, and Modular Plants

Click to learn more about our Portable, Skid-Mounted and Modular Systems.


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Case Studies

Kilgore Companies Improve Fines Recovery With McLanahan Equipment

In late 2010, Kilgore Companies, a subsidiary of Summit Materials, was formed through the merger of Harper Contracting, Altaview Concrete, Kilgore Paving, EnerCrest Products and Triple C Concrete. READ MORE