Rock screens are important equipment in many industries where rock, gravel, or other large materials are processed. They are used to separate large rocks and other debris from smaller, more manageable materials. A rock screener is built with highly durable and rugged materials to crush and sift through tons of rock. Screens used in crushing operations are generally large panels of interwoven material like metal wire set atop each other with varying sizes of openings that allow specific sizes of rock to fall through them for processing. Screens are typically either inclined or horizontal and vibrate to enable material like rocks to flow across them effectively. As the rocks move across the vibrating screen, rocks that are smaller than the specified openings in the wire panels fall through to the next component.
Rock screens can be used to sift through soil, wood pellets, concrete, sand, silicon, rubble, metals, and more. During rock crushing, screens are used to remove contaminants, dust, and other waste from the crushed rock which is then sent for further crushing. Another reason to run the crushed rock through a rock screen is to get the desired size of crushed rock as the rock crusher do not always crush the rock to a desired size.
There are different types of rock screens available in the market. Incline screen is usually found at a stationary rock crushing plant. This screen is inclined at a 20-degree angle and comes in different sizes. The size is decided based on the tonnage of rock it’ll be screening and the output efficiency required by the plant. Another type of rock screen is a flat screen. They are mostly found in portable rock crushers because of height restrictions. They have a lesser tonnage capacity because of no slope provision and hence moving the material across it is difficult. Although, they are equally effective. Lastly, there are multi-slope screen which have three different sloped sections on the known. They are commonly known as banana screens.
Here are some of the reasons why rock screens are important:
- Protection of Equipment: In industries such as mining and quarrying, large rocks and debris can cause significant damage to processing equipment such as crushers and conveyors.
- Increased Efficiency: Rock screens help to separate large materials from smaller ones, increasing processing efficiency. This allows the smaller materials to be processed more easily and quickly, reducing downtime and increasing productivity.
- Improved Safety: Removing large rocks and debris from the processing stream can improve safety for workers by reducing the risk of injury caused by falling rocks or flying debris.
- Product Quality: Rock screens can also help to improve the quality of the final product by removing unwanted materials such as dirt, mud, and other contaminants.
- Versatility: Rock screens can be used in a variety of applications and industries, including mining, quarrying and construction.
In summary, rock screens are an essential piece of equipment in many industries where large materials need to be processed. They provide protection to equipment, increase processing efficiency, improve safety, and enhance product quality. We, at Proman, can help you find the right rock screen. Get in touch with our team of experts and pick from the many options we have for you!