7 Steps to Choose The Right Dust Collector

The dust collection efficiency of a dust collector is a basic parameter to judge a unit of equipment. Dust collection efficiency indicates that the ability of the dust collector to handle dusty gases is directly related to the dust collection rate. Here are seven steps to choosing the right dust collector.

1. Master the dust removal conditions and determine the physical and chemical properties of smoke and dust.

First of all, it is necessary to understand the composition of dusty gases, as well as the temperature, whether there is corrosion, whether it is flammable and explosive; Analyze the particle size, dispersion, grinding and viscosity of the dust.

It is also necessary to get to know the basic information, such as air volume, air pressure, service life, installation requirements, etc.; Then pay attention to whether the flue gas concentration filtered by the dust collector unit can meet the relevant emission standards.

2. Select the model type of the dust collector and determine the dust removal method.

As we all know, dust collectors can be divided into four categories according to the dust removal method: mechanical vibration, pulse blowing, reverse blowing and composite dust removal. Currently, most baghouses use pulse blowing. With the popularization of high-temperature filter materials, various pulse baghouses suitable for furnaces have achieved satisfactory results, so they have attracted much attention.

But here, you don't have to choose a certain kind of dust collection equipment, here is just a reference. If it is used for power station boiler dust removal, an electric bag composite dust collector may be required. Therefore, we should choose according to the working conditions, referring to the advice of the engineer, and choosing the right one.

3. The selection of filter material is related to the life of the filter bag.　

One factor in dust collection efficiency is that it is closely related to the filter material of the filter bag. When choosing, the physical and chemical properties of dusty gases should be taken into account, as far as possible, as well as the method of dust removal of the selected equipment. Fortunately, there are many types of filter materials, such as needle felts, membranes, and fiberglass. The right choice will bring convenience to future maintenance.

4. The filtration gas speed is determined based on experience.

When determining the filtration gas speed of the dust collector, factors such as the characteristics of the dust, the type of filter material, and the dust removal method should be considered. If the selected filtration gas speed is larger, it is not conducive to the treatment of grinding stone dust with smaller particles and larger viscosity, and for high temperature and high humidity gas, the dust removal and filtration gas speed should not be too large.

For some filter media with slightly greater resistance, the filtration gas speed can be appropriately larger, which also depends on the type of filter material.

5. Calculate the filtration area of the dust collector.

Generally speaking, when calculating the filtration area of a dust collector, it is necessary to know the gas volume to be processed and the gas speed to be filtered, which is calculated by engineers with many years of dust collection experience.

6. Determine the dust cleaning cycle according to the actual situation.

Due to the influence of various factors such as dust removal mode, smoke and dust characteristics, filter material variety, filter gas speed, pressure loss, etc., relevant personnel need to fine-tune the dust removal cycle, and the key is to master the blowing cycle and pulse interval.

7. Determine the model of dust removal equipment that needs to be customized

After the first six steps are completed, it is basically possible to determine what specifications of dust collector need to be installed.