What is Screening Equipment, and how does it work?

Screening equipment is the machinery that is used to separate one material from another during mechanical screening procedures. Screening equipment is used in the second portion of the material handling process to filter raw material from a crusher or quarry into finer grades, bringing it closer to an end product.

Screening equipment might be self-contained, depending on the use. When screening equipment is combined with a crusher, a full-circuit system is created. These systems function in tandem to ensure a smooth material handling operation. Even though screens can be used without crushers, a full circuit system is the most efficient way to mine and separate resources in order to generate something that can be sold.

What is the purpose of Screening Equipment?

Machines for full circuit or single screening equipment can be designed for a flat surface or an incline. Typically, each machine consists of an engine that generates vibrations, screens that separate the particles, and a catching area. Material is fed into the machine, transported over the screens, and separated using vibration.

Screening equipment is most used in the mining, aggregate, and mineral processing industries. They’re commonly seen in quarries and mines. After being harvested from the ground or crushed, raw material is passed through screening equipment in order to prepare it for sale. The machinery can be used to prepare rocks for paving, salt for road winterization, lime for various industries, and much more.

Versatile pieces of equipment

  • Screeners are amongst the most versatile pieces of equipment in any operation.
  • A screener can be used to separate sand from gravel, sort rock by size, screen top soil and mulch, and any other mechanical sorting that may need to be done.
  • They can be self-contained with a diesel engine, stand-alone electric as part of a crushing plant, or even installed on a chassis with a cone or jaw crusher.
  • Finding the right screener for the job can be challenging since not all screeners are built the same. There are 4 main types of screener (listed below) but even within these types there are small variations that make big differences in production based on what you are screening. Our  sales staff at The Groundworx Co are trained to assess your products and recommend the RIGHT screener for YOUR needs. Do not get stuck with the wrong machine!

Type of Screeners

Scalp Screens

Scalp Screens are heavy duty vibrating deck screeners and are designed to quickly handle bulky, oversized material such as shot rock, excavated demolition waste, of bony sand ang gravel. Scalp screens are regularly seen in both portable diesel self-contained track or wheeled units and as part of a full crushing plant.

Incline Finishing Screens

Incline finishing screens are vibrating deck finishing screens that are used to produce multiple finished products reliably. Incline screens are typically seen in portable diesel self-contained track or wheeled units but also can be integrated into a crushing system.

Horizontal Finishing Screens

Horizontal finishing screens are similar to incline screens in that they are also vibrating deck screens but they sit flat. They are designed to handle large volumes and make a perfect spec product. Horizontal screens are mostly seen integrated into a complete crushing plant.

Trommel Screeners

Trommel Screeners are drum type screeners where material passed through a rotating drum with holes in. Material smaller than the holes pass through the drum and larger material falls out the back of the drum. Trommel screeners are designed for top soil and compost applicationsbut they can be used in light aggregate screening as well.

The Four Most Important Advantages of a Vibrating Screener

Vibrating screens provide distinct advantages over conventional material processing equipment due to their unique design features, including:

Improved material and processing quality

While specific screening equipment is better suited for certain materials, vibrating screens have various advantages in the processing of aggregate and mining minerals. Vibrating screens are particularly well-equipped to suit these sectors’ fineness requirements. Their design, which can create the force needed to separate large particles, allows for easier product recovery, even when working with materials that require much lower size separation. This results in increased yields as well as a superior overall quality of the finished product.

Reduced Operating Costs

Vibrating screens use less energy than more sophisticated technology, which saves firms money over the long term. Only the screen medium needs replacing on a routine basis since higher frequency vibrations are sent straight to the screening surface. This can help to reduce the expenses of maintenance and repair that are sometimes associated with other screening equipment options.

Less downtime and maintenance

Maintenance and downtime due to maintenance or equipment breakdowns can result in significant productivity and financial losses. Many different types of screens are subjected to a lot of wear and tear, especially in high-demand applications like aggregate processing. Vibrating screens, on the other hand, have the advantage of requiring less maintenance and downtime. This is due to their unique design, which focuses on providing just vibratory pressures to the screening surface.

More efficient screening

While there is a large assortment of screening equipment on the market, vibrating screens are an excellent choice when a simple solution with a higher feed flow is required. In fact, vibrating screens perform best when the flow rate is typically greater. The same material throughput on other types of screening equipment could result in screen blinding or a backflow of materials, necessitating a slower input.

Vibrating/Deck Screeners

Rd Olson

RD Olson Screeners will screen sand & gravel, compost, bark products, topsoil, loam, stumps, brick, concrete, asphalt, gypsum coal, slag, log deck waste, and other diverse materials. The patented open throat feeder channels even, consistent material of any size to the screen deck.

RDO Cat & Deutz Diesel powered screeners come fully equipped with a remote controlled grizzly, feed speed control, and emergency stop. These units are available in 5 x 12 and 6 x 16 double and triple deck configurations, on road legal axles with 5th wheel pull, or remote controlled tracks. An optional ball deck and flex mat screens allow these units to screen wet, sticky material at small sizes without plugging or blinding the screens.

North American manufacturing allows owners to access hydraulic components and parts at local supply and repair outlets.

Telsmith Screener on Chassis

Telsmith Screener on Chassis

Telsmith Horizontal Screener on Chassis

Telsmith Horizontal Screener on Chassis

Groundworx 516 Wash Screen

Groundworx 516 Wash Screen

Wash Plant Setup

Wash Plant Setup

RD Olsen Screener

RD Olsen Screener

RD Olsen 616 Track Screener

RD Olsen 616 Track Screener

  • Adjustable weights and deck speed means that one machine can be set up as a scalper to screen heavy material or a finishing screen for spec products.
  • North American manufactured means parts and service are readily available. Hydraulic fittings common to North America, CEMA standard idlers, common wear parts, and side tension screens allow for easily accessible parts at a fraction of the cost. Everything can breakdown, what changes the bottom line is how fast and how economical repairs are completed.
  • The available ball deck is second to none for screening sand and wet, sticky material. When paired with vibrating wire screenmedia, the ball deck self-cleans and does not blind over!
  • Track and wheel options (note that the same screen platform is used on both, just different undercarriages.
  • Screen decks come in 4×10 up to 6×20 for conventional screening and for wash plants.

Rubblemaster

  • Looking at the diesel track portable screening market can be confusing because it is tough to see the difference between most manufacturers. If fact, many models from competing manufacturers are actually built in the same factory with few differences other than the paint color!
  • Rubble Master has maintained the “European Look” but have gone above and beyond by upgrading the traditional weak points and tougher without sacrificing portability.
  • Huck riveted decks and hydraulic folding conveyors are standard on all models. Remote controlled grizzlies, heavy duty apron feeders, dust suppression, and a variety of other options are available.
  • 15 Minute no-tool setup and the ability to transport on a common trailer makes Rubble Master the ideal machine for contractors.
  • The HS-Series Scalp Screen is the perfect tool for stand-alone screening, scalping off fines before a crusher, or sizing material after the crushing process. The 2-deck heavy-duty HS line is available in a variety of deck sizes from 4’x9′ up to 6’x20′.
  • The MSC-Series Incline Screens are highly efficient finishing screens that deliver the performance and finished product quality that today’s producers demand. The MSC line is available in both 2 and 3 deck in a variety of deck sizes from 5’x12′ to 5’x22′.

Telsmith

Groundworx offers a full line of Telsmith vibrating screening equipment designed for the aggregate, mining and recycle markets. Incline screens are available for either wet or dry screening applications, and are manufactured in sizes ranging from 3 ft. x 6 ft. up to 8 ft. x 24 ft. These Telsmith units are extremely reliable, high production screeners built around the revolutionary TL shaft assembly, which delivers exceptionally long service life with far less maintenance. The TL live body is available with flat or crowned deck designs, accepting all screen media to deliver optimum performance in tough applications.

The Telsmith Vibrating Grizzly Scalper is ideal for heavy duty scalping of large stone. The Grizzly is a robust and rugged inclined screener that is ideally situated between a feeder and the primary crusher. Fed by an apron or pan feeder, the screener utilizes heavy grizzly bars to absorb the impact from large stone and scalp out the smaller stone. Extra height side plates with liners retain the large material on the screen.

  • For years Telsmith (KPI/JCI) horizontal screen decks have been widely acknowledged as amongst the best in the industry for aggregate production.
  • With sizes range from 6’x16′ up to 8’x20 in 2-Deck and 3-Deck options, Telsmith is able to integrate into most crushing plants in either a scalping or finishing application.
  • The heavy duty scalp screen option can accept up to a 17″ rock at a 12″ drop.
  • The medium duty finishing screen comes in a variety of sizes that can be used paired with up to a 500 HP cone crusher.

Komplet

Komplet mobile screeners are affordable screeners ideally suited for small to medium-sized operators and contractors who require a versatile product capable of operating in a number of applications such as sand and gravel, aggregates and recycling.

  • Where most manufacturers went bigger, Komplet went smaller! The compact, track portable line of Komplet screeners may look small but they are capable of high volumes.
  • With machine weights ranging from 3,300KG to 12,000KG every model in the Komplet screening line are ultra-portable and easy to transport from one jobsite to the next. Moving around a site is no problem with these remote-controlled track screeners.
  • A variety of screen options are available for all models and can be changed quickly allowing the operators to make any spec that they need.
  • A variable speed screen deck means that the screeners can change from scalping to finishing with the turn of a dial.

Mace

  • The smallest of the screeners is often overlooked but don’t let the size of the Screena fool you, it is more than capable of sorting material!
  • Specifically designed for the DIY and small reclamation markets, the Screena is lightweight and highly portable. The Screena can be rolled onto the smallest of sites to separate undesirables from an otherwise reusable product. Whether you need to removing fines from landscape rock, screening lumps out of top soil, or any other material separation, the Screena may be the tool that is missing from your fleet!
  • When paired with the Mace Shifta conveyors, the Screena can add efficiency to any operation.

Trommel Screeners

Doppstadt Trommels

An exclusive combination of performance-enhancing features that add up to one clear advantage: versatility. Combining precise control over the machine’s various functions with the ease that sizing changes can be made, efficiency and effectiveness are optimized across almost any application.

Whether you’re screening a consistent, high-quality topsoil, multiple fractions from a C&D stream, or separating MSW waste, Doppstadt SM-Series Trommel Screeners from Groundworx will deliver the performance our customers expect to easily keep up with demand and maintain a strong profit margin.

  • “often imitated but never duplicated”
  • German engineering
  • Global leader in trommel screeners
  • Track or wheel options available in most models
  • Non-plugging punch plate drum
  • Drums start as small as 5’x14′ up to 7’x26′
Doppstadt Trommel Screening Top Soil

Doppstadt Trommel Screening Top Soil

Doppstadt SM720 Trommel Screener

Doppstadt SM720 Trommel Screener

Doppstadt Non-Plugging Drum

Doppstadt Non-Plugging Drum

Trommel Swing Out Engine

Trommel Swing Out Engine

Komplet

  • The ideal trommel for small sites and quick screening jobs.
  • Compact, portable, lightweight track mounted trommels.
  • Can be easily converted from single to double trommel and back for more complex screening jobs where an additional product split is required.

Mace Industries Screena

NEW PRODUCT! Small portable screener for landscaping projects

MACE Logo

The Mace Industries Screena is an innovative solution specifically designed for the screening of materials in many diverse environments and industries. A highly portable unit with a multitude of screening sizes available. With a large, un-obstructed screening area of 1500mm x 650mm, the Screena can handle anything up to a large digger bucket, making it perfect for on-site screening during any construction or landscaping jobs. If you need material screening, the Screena along with our Shifta conveyors offer a one-stop-shop solution to reduce waste on site and recycle product to be used again. Machine service and training is available. Please call us for more information.