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The material seal pump needs to reasonably calculate the material properties when pneumatically conveying different materials
2016-07-04 Source: wglobalnba.com Author: Rich Machinery read: Times

Sealed pump

During the transportation of fine particle materials in the material-sealed pump pipeline, there will be a certain amount of wear on the pipeline. This wear condition is not avoided in the entire pneumatic conveying process. We can only reduce the material by reasonably increasing the material suspension. With regard to the friction of the pipe wall, through such effective pneumatic pressure calculation, the transport distance can be effectively increased, and the friction coefficient can be reduced. In the past, the Stokes formula was commonly used for the calculation formula of the levitation speed. These are high-quality pneumatic conveying equipment such as material-sealed pumps, which have not entered the mass powder material transportation. At present, this type cannot be applied, because the fineness of the particle size is unknown, and the approximate conveying effect cannot be judged.
Fucheng Machinery makes reasonable statistics on the particle size and has an average value for the particle size. When the applicable particle size is analyzed, the problem is solved. An applicable levitation speed can be obtained for the applicable particle size range. This is the formula for the particle size range of the viscous friction resistance zone of a material-sealed pump . At this time, the flow field of its levitation speed is around the flow. This is essentially to use the Re number to determine the flow state problem into a particle size range to determine the flow state. In this way, it can be obtained that the particle size of the material is most easily determined by sieve analysis. Therefore, the particle size is used to determine the flow state, which greatly simplifies the problem. In pneumatic conveying, it is generally calculated based on air at 20 ℃. At this time, the air density pr = 1.2kg. The formula of the material sealing pump equipment produced by Fucheng Machinery is simple. Air pressure supply. For example, pulverized coal is an oily material with a certain viscosity. In the process of transportation, the calculation method needs to combine this characteristic with adhesion properties, so as to reduce the interference of the transportation efficiency of our materials during use, so calculate them. The suspension speed can be calculated according to the Stokes formula.
For silica sand and iron pellets, the actual particle size is much larger than the calculated position, so it cannot be calculated using the Stokes formula. The above is for silica dust and iron pellet dust. These have two calculation formulas. It can be said that the material seal pump needs different calculation formulas for different materials, because the specific gravity, density and oil quality of each material The properties are different. Fucheng mechanical engineers can achieve a good solution for you through reasonable calculations. Welcome to call to learn more.

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