50TPH Silica Sand Processing Plant

Silica sand is a crucial raw material in industries like glass manufacturing, construction, foundries, and even electronics. However, raw silica sand must undergo careful processing to meet industry standards for purity, grain size, and composition. As a trusted mining machinery manufacturer specializing in ore solutions, process design, and equipment manufacturing, we’ve helped numerous clients optimize their silica sand processing plants for maximum efficiency and profitability.

Raw silica sand typically contains impurities such as clay, iron oxides, and other minerals that must be removed. The processing stages vary depending on the deposit and end-use specifications, but a standard silica sand processing plant follows these fundamental steps:

All the -0.6mm slurry will go to the next process, it’s a hydraulic classification tower. The main function of the silica sand hydraulic classification tower is to classify silica sand through hydraulic classification technology to improve the quality and purity of silica sand. Working principle: The silica sand hydraulic classification tower uses the power of water flow to sort silica sand. Specifically, the equipment adjusts the speed and direction of the water flow so that silica sand particles of different sizes have different settling speeds in the water, thereby achieving separation. This method can not only effectively classify silica sand by size, but also remove dirt and other impurities in it, improving the cleanliness of the silica sand. It will remove the -0.1mm tiny sand then remove mud again and they will be sent to the tailing pool or sedimentation pool.

Then the underflow will go to the next process, the gravity separation, generally using spiral chutes to process. For the spiral separation process, generally use two stages, for your capacity, the first stage process can use 14 or 15 sets(each set spiral capacity of around 3 tons per hour). After processing by the first stage spirals, the middlings from them will go to the next stage spirals, generally using around half the amount of the first stage, which can use 6 or 7 sets of spirals. Then all the concentration from the two stages’ spirals will go to the next stage magnetic separation process. All the tailings will be sent to the tailing pool or sedimentation pool.

For the magnetic separation process, generally use two types of magnetic separation. The first one is the drum magnetic separator, its gauss intensity generally will be around 4000 gauss, for removing strong magnetic minerals. Then the concentrate from it will go to the second separator, it’s a high gradient magnetic separator, and its gauss intensity is adjustable, generally between 10000-14000 gauss, it’s the best type of magnetic separator, can remove weak magnetic materials as much as possible. All the tailings will be sent to the tailing pool or sedimentation pool.

The concentrate from HGMS will go to a thickener to accelerate the concentrate sedimentation, the underflow will go to a dewatering screen to do dewatering, then sent away by a belt conveyor. The overflow of the thickener is clean water, which also goes to the tailing pool. The water of the sedimentation pool can be reused.

A well-designed silica sand processing plant is key to producing high-grade material efficiently. Whether you’re setting up a new plant or upgrading an existing one, JXSC Machine has the expertise and equipment to help you succeed.

Contact us today to discuss your silica sand processing needs!