As the large Turbo Mill grinding machine is widely used in various industries, research and development at home and abroad grader are very seriously. At present, my country in the market, but there is a lot of space to develop.
large Turbo Mill grinding machine mainly used for processing finer material. Pulverized particle size of 1.5 to 0.005mm, and the crude material was sieved.
comminuted hydraulic principle substantially the same level, and the above theory also be used for settling airflow classification. However, in the stream classification, since the density and viscosity of air is much less than the density of water and the viscosity, the same particles settle more in air than in water. Further, air density and viscosity varies with temperature and pressure.
In order to cause the flow of air, the wind usually require grinding equipment with a suitable fan (exhaust or blower).
When the gas flow is classified fines product is generally taken away by the gas flow. In some cases, into the grinding apparatus together with the feed gas stream.
It is well known in the atmospheric air at a load of solid particles is not more than 500g air / m3, and when it reaches 1kg / m3, falling particles from the gas stream. Loading density and particle size of about. When handling fine material, usually no more than a load air 200 ~ 300g / 3 in. According to this calculation, the volume of gas stream concentration of the solid is much less than 0.03. Thus, when the gas flow is classified, in most cases, it belongs to the free-falling.
so that the particulate material in the horizontal and vertical directions are required to move the different velocity, the desired velocity in the horizontal direction is relatively large, and with increasing particle density increases, e.g., to a density of 1.5 of pulverized coal in terms of g / cc. The minimum wind speed of 2 m / sec; to a density of 2.5 g / cm powder material, speed is not less than 3.5 m / s; density powder 4g / cm 3, the minimum speed of 4 m / sec. Because of the complexity of the situation, the appropriate air flow rate in each particular case should be determined experimentally.
rising gas stream having a flow velocity required for suspending a certain density and particle size larger than the calculated value of the free settling particles, which is due to the speed of the airflow in a grinding chamber portion uneven distribution.
The large turbo mill grinding machine having a wide range of grinding, grinding efficiency, high precision grinding, cutting size accuracy, good stability characteristics.
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Technical parameters:
The product size: D50 is less than 5 m
capacity: more than 50KG / h
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