Phosphate Rock Grinding Plant

Phosphate Rock Grinding Plant

Phosphate Rock Beneficiatin Plant

The processing of phosphate rock from impurities and nonphosphate materials for use in fertilizer production consists of beneficiation, drying or calcining at some operations, crushing, grinding and classification etc. Phosphate rock from the mines is first sent to beneficiation units to separate sand and clay and to remove impurities. Steps used in beneficiation depend on the type of rock.

Wet beneficiatin begins with screening to separate pebble rock that is larger than 14 mesh, and smaller than 6.35 mm from the balance of the rock. The pebble rock is shipped as pebble product. The material that is larger than 20 mesh, and smaller than 14 mesh is separated using hydrocyclones and finer mesh screens and is added to the pebble product. SBM phosphate rock grinding machine price is very competitive.

Phosphate Rock Grinding Plant

Primary size reduction generally is accomplished by crushers and grinding mills. Some classification of the primary crushed rock may be necessary before secondary grinding (rod milling) takes place. The ground material then passes through hydrocyclones that are oriented in a 3-stage countercurrent arrangement.

Dried or calcined phosphate rock is ground in roll or ball mills to a fine powder, typically specified as 60 percent by weight passing a 200-mesh sieve. Rock is fed into the mill by a rotary valve, and ground rock is swept from the mill by a circulating air stream. Product size classification is provided by a "revolving whizzer, which is mounted on top of the ball mill," and by an air classifier. Oversize particles are recycled to the mill, and product size particles are separated from the carrying air stream by a cyclone.

Phosphate Rock Grinding Machine

The phosphate grinding machine for sale including ball mill, raymond mill, vertical roller mill, high pressure mill, ultrafine mill, trapezium mill etc. Each of the different types of grinding mills are available in a variety of sizes, drives and liner types and configurations to meet your demands on maximum productivity at highest availability. We also customize grinding solution according to customers' requirements.

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