Heavy medium coal preparation manufacturer will explain several processes of heavy medium coal preparation to everyone

Heavy medium coal preparation manufacturer will explain several processes of heavy medium coal preparation to everyone

Heavy medium coal preparation manufacturers: several typical heavy medium coal preparation processes

1. Block coal heavy medium screening machine - screening process of fine coal heavy medium cyclone

In the screening process of block coal heavy medium screening machine and final coal heavy medium cyclone, both block coal and final coal are screened by heavy medium, fully reflecting the excellent characteristics of large processing capacity of heavy medium screening machine and high screening accuracy of cyclone, meeting the production process required by large coal preparation plants. As this process has been put into use, the annual raw coal has reached 15 million tons. Due to its excellent characteristics, this process is mainly suitable for large coal preparation plants with high coal slurry content, easy mudification of gangue or specialized for block coal products. However, the medium recovery system of this process is complex and not easy to manage.
2. Screening process of lump coal jigging and fine coal heavy medium cyclone separator

The block coal jigging heavy medium cyclone screening process fully reflects the characteristics of the large processing capacity of the jigging machine, high screening accuracy of the heavy medium cyclone, and low coal preparation cost. The application of this process can significantly reduce the cost of coal preparation and ensure the excellent quality of clean coal products. Therefore, this process can be used in coal preparation plants and clean coal users with poor selectivity of fine coal and good selectivity of block coal. Heavy medium coal selection

3. Jigging rough selection - heavy medium cyclone selection process

For this process, using a jigs to pre discharge gangue can effectively reduce the impact of gangue content fluctuations on the screening of heavy medium cyclones, while also reducing the amount of heavy medium coal fed and the wear of cyclones. The quality of clean coal products is higher, but the process is complex and there are many types of process equipment. During the coal selection process, some clean coal will be lost, resulting in a lower yield of clean coal

. Years of practice shows that this process can produce low ash clean coal, but the production rate of clean coal is not high. The density grade content of middling coal is up to 15%, but the advantages of this process can be well reflected when the coal quality fluctuates greatly, the raw coal has a high gangue content, and the existing jigging screening system is modified. Therefore, this process is suitable for coal preparation plants with good raw coal washability and a gangue discharge density of about 1180kg/L, and efficient screening can be achieved through jigging. Heavy medium coal selection

4. Screening process for two product heavy media cyclones

The screening process of the two product heavy media cyclone is the basic form of the heavy media screening process, that is, the clean coal and heavy products are screened through the low-density cyclone, and then the heavy products are sent to the high-density cyclone to screen middling coal and gangue. This process is mainly used for screening raw coal with low content of middling coal, good raw coal washability, and high ash content of clean coal. In addition, this process has a complex media recovery process, which is not easy to manage. However, in actual production, middling coal is widely used by coal preparation plants, so this process is rarely used.

That's all for today's explanation by the editor of the heavy coal preparation manufacturer. Thank you for watching. See you in the next episode.