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Because the domestic industrial production of coal demand is relatively large, so many manufacturers are dedicated to study the coal powder machine, and the company also for grinding coal production research two devices.

So far, the company developed production two types grinding mill products, which can be used for production of pulverized coal . The most widely used is the vertical roller mill, because submerged vertical roller mill operation for coal fineness is not very high, but the degree of fineness and just in pulverized coal combustion range of degree of fineness, so its application widely. The fineness of the material can be milled in the 325 mesh to 2500 mesh, but it is not required for the coal combustion in the pulverized coal combustion..

In order to vertical mill grinding coal production more reliable, the product in the production of flour take the following two measures, respectively: explosion-proof valve and the hot blast stove. Explosion-proof valve is a glass like transparent material, designed with a hole at the top in the vertical milling machine, then use explosion-proof valve block, but it should be noted that, explosion-proof valve to the machine to seal up, to prevent leakage; also a measure is in the mill production line installation of hot blast stove, through the hot stove to the hot air blowing system, to ensure the whole system of the wind is hot.

In order to vertical mill grinding coal production more reliable, the product in the production of flour take the following two measures, respectively: explosion-proof valve and the hot blast stove. Explosion-proof valve is a glass like transparent material, designed with a hole at the top in the vertical milling machine, then use explosion-proof valve block, but it should be noted that, explosion-proof valve to the machine to seal up, to prevent leakage; also a measure is in the mill production line installation of hot blast stove, through the hot stove to the hot air blowing system, to ensure the whole system of the wind is hot.