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Dust removal efficiency of cyclone dust collector


Dust removal efficiency of cyclone dust collector: Impact of gas dust concentration on the performance of cyclone dust removal equipment?


The dust concentration of the gas affects the dust removal efficiency and pressure loss of the cyclone dust removal equipment. The test results show that as the dust concentration increases, the pressure loss decreases. As the dust concentration increases, the dust agglomeration performance improves, and the purification efficiency is significantly improved. However, because the dust removal speed is much slower than the dust concentration increase, the dust concentration of the exhaust gas always increases with the increase of the dust concentration in the crowd. The improvement of the dust removal efficiency does not mean that the dust emission concentration will be reduced. When selecting a dust collector, not only the dust removal efficiency of the dust collector should be paid attention to, but also the concentration of dust-containing gas emitted by the production and the emission standards to be reached.


旋风除尘器的除尘效率图片


Dust removal efficiency of cyclone dust collector: What physical properties of the gas will affect the cyclone dust removal equipment?


The water content, density, viscosity, pressure and temperature of the gas have a certain effect on the performance of the cyclone dust collector.


Increasing the water content of the gas can agglomerate the dust with high dispersibility and small adhesion into larger particles, thereby improving the dust removal efficiency of the cyclone.


The greater the gas density, the lower the efficiency of the cyclone, but the smaller the decrease. Especially for solid dust particles, the effect of the gas density on the efficiency of the cyclone can be ignored.


As the temperature of the gas increases, the pressure loss of the cyclone dust collector decreases.


As the viscosity of the gas increases, the dust removal efficiency of the cyclone dust collector also decreases accordingly.


旋风除尘器的除尘效率


Dust removal efficiency of cyclone dust collector: How does the physical properties of dust affect the performance of cyclone dust removal equipment?


The particle size and density of dust have a great impact on the performance of cyclone dust removal equipment.

The effect of the particle size on the performance of the cyclone dust collector with a larger particle size will cause the cyclone dust collector to generate a larger centrifugal force and facilitate separation. Therefore, the larger the proportion of large particles, the higher the overall dust removal efficiency.


Impact of Dust Concentration on Cyclone Dust Collector Performance Dust concentration has an important effect on dust removal efficiency. Critical particle size mountain. Or 00 is related to the density of the particles, the greater the density, the table. The smaller the dust removal rate, 100, the higher the dust removal rate. Dust concentration has little effect on pressure loss and can be ignored during calculation.


旋风除尘器的除尘效率,旋风除尘器标准图


Dust removal efficiency of cyclone dust collector: What principles should be followed when selecting cyclone dust removal equipment?


The amount of gas purged by the cyclone dust collector should be the same as the amount of dust-containing gas actually processed. When choosing the diameter of the vacuum cleaner, try to make it smaller. If the required air volume is large, you can use several cyclones with smaller diameters in parallel. If the air volume is consistent with the multi-tube cyclone, it is recommended to use a multi-tube cyclone.

From an industrial and mining perspective, resistance losses and structural forms should be considered to minimize power consumption, and future maintenance should be facilitated.

The minimum dust particles that can be captured by the cyclone dust collector should be equal to or slightly smaller than the size of the dust particles of the gas to be treated.


旋风除尘器的除尘效率,旋风除尘器标准图


Dust removal efficiency of cyclone dust collector: Cyclone dust collector selection calculation mainly includes selection determination, cylinder diameter calculation, dust collector quantity determination, etc. Generally includes the following steps.


1: The amount of gas that the dust removal system needs to process. When the gas temperature is high and the dust content is large, the air volume and density need to be converted. If the water vapor content in the gas is large, the influence of water vapor should also be considered.

2: According to the dust concentration, dust properties and use conditions of the gas to be treated, the type of dust collector is initially selected.

3: Or calculate the cross-sectional area of the dust collector inlet according to the selected dust-containing gas inlet speed and the amount of dust-containing gas to be processed, and then calculate the cross-sectional area according to the proportional relationship between the size of each part of the dust collector.

4: When the mass concentration of dust in the gas is high or the particle size of the dust to be collected is large, a cyclone dust collector with a larger diameter should be selected. When a higher degree of purification is required or small dust particles need to be collected, the diameter can be used in parallel. Small cyclone duster.


旋风除尘器的除尘效率,旋风除尘器标准图


Related recommendation: Cyclone dust collector model


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