Coarse Powder Mill

Coarse Powder Mill is mainly used in metallurgy, mining, cement, chemical industry, refractory materials and ceramics and other industrial sectors, widely used in highway construction, water conservancy projects, building rubble, mechanism of sand processing, etc. It is very suitable for crushing all kinds of soft and medium-hard ores for coarse crushing, medium crushing and fine crushing operations. Coarse powder grinding mill is in the straight-through mill combined with the needs of customer production, on the basis of the traditional grinding mill, designed to solve the users of the finished product fineness of 3 mm below the mixture of a demand.

Coarse powder mill is grinding equipment experts set years of research experience in the milling industry, collect domestic and foreign customers’ suggestions and requirements, instead of Raymond mill, crusher, ball mill and other traditional grinding equipment can only process fine powder granular material of a new high-tech series of products to meet the requirements of customers for fine sand processing, it is widely used in quartz sand, silica sand, foundry sand, abrasives sand and other fine sand industry, a highly efficient and ideal equipment supporting the formation of closed production line. It is widely used in quartz sand, silica sand, foundry sand, abrasive sand and other fine sand industry, a kind of high-efficiency and ideal equipment supporting the composition of closed-circuit production line, can produce a variety of particle size products, the use of a wider range of results.

Working Principle:

Coarse powder mill is mainly composed of shell, rotor, bearing iron and grate bar and other parts. The shell is divided into upper and lower parts, welded from steel plate after cutting, and the rest of the parts are bolted into one. Inside the casing is set with high manganese steel lining plate, which is convenient to replace after wear and tear; its main shaft is installed with several groups of regular distribution of hammers, and the rotor is composed of rotor with the turntable and the hammer shaft. The mainframe drives the main shaft through the motor and triangle belt, which makes the rotor rotate, and the hammer head is stretched around by the centrifugal force generated during the rotation, and the large materials enter the crushing cavity from the inlet and are crushed by the hammers with high speed movement. Qualified materials are discharged from the lower part of the castor with a gap, while unqualified materials remain in the crushing chamber, and are repeatedly acted by the hammers and the impacting iron blocks until they are qualified for discharge. In order to avoid clogging, the moisture content of the crushed material is generally not more than 5%.

Performance Advantages

1. High efficiency and energy saving
Coarse powder mill adopts the principle of layer grinding to grind materials, with low energy consumption, the power consumption of the grinding system is 20-30% lower than that of ball mill, and with the increase of raw material moisture, the power-saving effect is more significant.

2. Long service life of wearing parts
The wearing parts are made of special raw materials, which can be used for more than one year, and the service life can be up to 2-5 years when processing calcium carbonate and calcite.

3. High safety and reliability
Equipped with a limiting mechanism to prevent direct contact between the roller sleeve and the grinding disc liner, avoiding destructive and violent vibration due to friction and collision between metals, increasing safety.

4. Environmentally friendly and clean
Coarse powder mill adopts fully sealed system, the system operates under negative pressure, no dust, clean environment.

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