The shallow groove sorting machine was originally mainly used for the discharge of lump coal in large power coal preparation plants, and can also be used for underground discharge in coal mines. Prior to this, the heavy medium sorting machines for lump coal separation were mostly inclined and vertical wheels. Currently, inclined and vertical wheels are still used in many coal preparation plants in Russia, but are few in China.

In recent years, Dense Medium Separator has also been applied in non coal fields such as tailings disposal of non-metallic mines and garbage sorting. This article will take the Dense Medium Separator used in coal preparation plants as an example to introduce.

Foreign Brand

The Dense Medium Separator began to be used as early as the 1940s, from the DSM type sorting machine, McNally Trump sorting machine, Bayer sorting machine, Liba sorting machine, to the later mature Daniel sorting machine and Peters sorting machine.

Before the 21st century, Dense Medium Separator used in China were mainly imported. In 1988, the Antaibao Coal Preparation Plant in Pingshuo imported the Daniel Dense Medium Separator from the United States, which was used to sort 150-13mm lump coal with a processing capacity of 1500x104t/a.

In the past decade, equipment from foreign brands such as Daniel sorting machines and Peters sorting machines have been unable to adapt to the rapid development of China's mining industry in terms of after-sales service, supply cycles, and other aspects, and cannot meet the actual needs of end users, gradually fading out of the Chinese market.

Chinese Brand

Since the beginning of the 21st century, with the imitation and research and development of foreign equipment by Chinese equipment manufacturers, as well as the research and practical application of new coal selection processes and adaptability to complex minerals, some brands of equipment have been able to fully compete with international brands in terms of comprehensive performance, and even do better. Currently, the well-known brand factories include Zhuzhou Tianqiao Shunchen Coal Preparation Machinery Co., Ltd. and Shenyang Kedi Tongda Engineering Technology Co., Ltd. The XZQ-1679 Dense Medium Separator selected by Xinjiang Ili No. 4 Mine is the largest Dense Medium Separator in China so far.

The technology of Dense Medium Separator has become relatively mature. With the changes in mineral occurrence, it is hoped that domestic brand factories can do better in the equipment's wear-resistant materials, adaptability to different minerals, and intelligent direction, and participate more in international market competition.

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