Veiel mill (MPS type vertical roller mill) related presentations

Veiel mill (MPS type vertical roller mill grinding) can be coal, cement clinker and cement raw material. West Pufeifo company, a C Corporation in the United States and China Shenyang Heavy Machinery Factory all the production of the product, the Shenyang Heavy Machinery Factory production of MPS series vertical roller mill technical performance table table 3-2. Figure 3 a 3 MPS vertical roller mill structure. Its working principle is: three pneumatic hydraulic mill roll (a drum) pressure in the annular groove of the disc motor through a transmission system drives the grinding disc to a certain speed rotation (20 to 30 RPM). Because of the friction between the roller and the roller, the roller rotates around its own axis. By connecting the three tie rods at the corner of the triangle pressure bracket on the machine base, the roller is applied to the roller. By the feeding chute into the material (particle size of 80 ~ 100 mm), grinding to 80% through 200 mesh sieve of fine powder, the millstone around the annular air inlet communicated with the hot air blowing, the upper part of the powder selecting device selected and coarse grain fall disc re grinding, fine powder the exit row dust collection device to collect for the finished product. Mill wind speed up to 60 ~ 80 meters / sec, and drying efficiency is very high. Recently, MPs type vertical roller mill was not only used for grinding cement raw material, pat successfully cement clinker grinding. According to West Germany, a cement plant with a new improved MPS3750C vertical roller mill grinding cement clinker, production of PZ35 (DIN standard) cement, output reached 40 tons / PZ45 cement production, output up to 78 tons / hour. Power consumption of grinding 25 percent less than the ball milling and grinding fineness is easy to control, the grinding of cement has high early strength. According to Reid grams (a - E - RedeKer). MPs type vertical roller mill in the cement raw meal grinding time, and set the metal wear rate was 5.7 g / ton, grinding disc lining board wear rate of 1.2 grams / ton, the system maintenance cost is only 0. Fourteen 2 dollars / ton. MPs vertical roller mill grinding cement raw material output has reached 500 tons /, grinding standard cement production has reached 150 tons /. It is expected that this vertical mill has a trend to develop in the direction of large scale. Figure 4 - 3 is a schematic diagram of the MPS vertical roller mill grinding device. The MPS mill under the same grinding. The grinding disc diameter is flat grinding, which makes the millstone around more stomata and under a certain wind speed have a larger volume of air, the mill pressure drop is lower, so you can save the power of the fan. On the other hand, there is a good heat transfer between the material and the hot air because of the large amount of ventilation, the material and the hot air. Due to MPS vertical mill grinding roller of a drum shaped, the grinding disc is provided with annular groove, so in our country, also known as drum and a slotted disc type hydraulic vertical roller mill.

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