This article details the mainstream of selected coal technology, and outlines the application of each of the coal preparation process, the advantages and disadvantages of each proposed coal preparation process, will make a final look to the future prospects of coal washing. The general process of the coal washing plant.
Coal washing system is generally divided into: raw coal, screening, crushing, storage, loading and unloading and other parts.
The use of sieves to separate coal blends of different particles is called screening. Furthermore, according to the separation of coal washing technology, it is divided into dry sieve and wet sieve.
Broken, bulk raw coal is divided into various small particles in the process of the machine. This kind of machine is called crusher crushing.
The crushing utilizes different physical and chemical properties of coal and impurities. In the process of screening, the impurities and coal are separated in various ways to improve the quality of coal products and meet the requirements of customers. According to the position of coal preparation and coal mine, it is mainly divided into coal preparation plant and sintering coal preparation plant. At present, coal mine coal preparation plants are common in China. The modern coal preparation plant consists of a series of working groups that form a continuous process.
Jigging coal preparation is the latest coal preparation technology. The jig is divided into coal and impurities according to the density of selected raw materials.
Heavy medium coal preparation According to the size and difference of the density of the objects, the coal preparation method is heavy medium coal preparation. The process of heavy medium coal preparation is complicated, the cost is high, the equipment wears out, and the maintenance workload is large, but the screening result of heavy medium coal preparation is very satisfactory, and the selected coal quality is high.
Storage coal storage bin: In the process of production and transportation, a certain capacity container is set up to ensure the normal production and sales of coal.
This article simply introduces the general process of the domestic coal preparation process. Nowadays, the coal washing process has made great progress. The high-tech coal washing process can improve the quality of coal products and meet the needs of enterprises.
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