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Ore will be grinded in grinding machine. Cylindrical grinding machine as shown below:

The cylinder contains a variety of diameter of crushing media (steel ball, steel bar and gravel). When cylinder rotate around the horizontal axis according to the specified convolution, the crushing media and rock put in the cylinder will rise a certain height with the supporting wall and then out of free fall or roll off the cylinder wall under the functions of centrifugal force and frictional force. The ore grinding is mainly dependent on the impact force came from the falling of the crushing media and the abrasive action from movement.

Ore will be continually sent from the one end of the hollow journal; The products after grinding will be expel from the other hollow axis of cylinder. When wet grinding, ore is flow away. When dry grinding, ore will be taken away by air flow.Henan Hongxing Mining Machinery Co., Ltd is the professional manufacturer of complete sets of mining machinery, for example,classifier,cement mill price Welcome all of you to visit our official website.china cement mill:http://www.crusher-machine.com/23.html

Henan Hongxing Mining Machinery Co., Ltd is a joint-stock mining machinery manufacturing enterprise integrated in scientific research, production and marketing. It is located at the High & New Technology Industries Development Zone of Zhengzhou,China with an area of 50 thousand m2 which includes 15,000 m2 of standard heavy duty industrial workshop. Equipments are more than 160 pieces, including large and medium sized metal processing, riveting and installing equipments. There are more than 660 workers including 80 administrators with secondary and senior occupational titles and engineering technicians. In order to promote the competitive strength, the advanced technologies have been introduced from America, Germany, Japan and Australia, which established the international advanced production line, first-class modern testing base as well as research centers of sand maker, mill and mine-selecting equipment. Scientific management, advanced processing technology and innovative manufacturing theory make the company become the mining machinery manufacturing and exporting base in China.

Hongxing Company lays much emphasis on the quality and clients. We serve clients with the quality guideline of being responsible for every working procedure, every product and every client. What we have done is for the clients and we believe that quality is the best way to develop market. All of the products have passed the authentication of ISO9001. Hongxing Brand is the Chinese Famous Brand. Reliable and stable quality is the key to success; our products are well known at home and abroad. Now we have tens of thousands of users throughout China and more than 30 world markets, such as: South Africa, Middle East, India, Philippine, Western Europe, Southeastern Asia.

The row of ore method is divided into two kinds: center row ore and grid row ore. Center row ore refers to the crushed products freely overflow from the end of hollow journal. Therefore, the level of the cylinder inverse pulp must be higher than the level of the lowest row of the ore journal. The grinding machine of center row ore is also be called overflow ball mill. Grid row ore refers to the crushed products will be expelled from the hole around the edge of the grid, which is installed in the end of the cylinder. The grinding machine of grid row ore is also referred to as grid ball mill. Except for the above two kinds of method of row ore, another one is surrounding row ore. It is rarely used now because the method of ore discharge is through the surrounding the cylinder.