Among the various dust removal devices, the filter cartridge dust collector is a kind of high dust filtration efficiency, then, how to choose the filter 

cartridge dust collector?

The filter element of the filter cartridge dust collector is the filter cartridge. The structure of the filter cartridge is divided into four parts: top cover, 

metal frame, pleated filter material and base. The filter cartridge composed of these four parts is round, flat and conical. The filter cartridge is folded 

into pleats with the filter material of the design length, glued end to end into a cylinder, the inside and outside of the cylinder are supported by a 

metal frame, and the upper and lower are fixed with a top cover and base. The top cover has fixing bolts and washers. The bonding of the upper and 

lower end covers and protective nets of the filter cartridge should be reliable, and there should be no defects such as degumming, glue leakage and 

sagging; The metal parts on the filter cartridge should meet the anti-rust requirements; The outer surface of the filter cartridge should be free of 

obvious scars, bumps, haircuts and burrs; The spray cleaning of the filter cartridge can be equipped with a nozzle or venturi tube and other spray 

devices according to the needs, and a protective net should be added on the inside of the filter cartridge.

Filter cartridge dust collector selection requirements:

1. Filter cartridge dust collector selection according to the working environment

How to select and calculate the design of the filter cartridge dust collector? It depends on the actual working environment. For example, if the 

amount of gas treated is moderate and the plant area is limited, the pulse injection bag filter can be considered; When the amount of gas is large, 

you can consider using a counter-air cleaning bag filter.

2. Filter cartridge dust collector selection according to the characteristics of dust-containing gas, select the appropriate filter material

The selection of filter cartridge dust collector should consider the performance of the filter material to capture the specified dust, the ability to resist 

gas and dust corrosion, and the ability. When filtering, it is necessary to have corresponding performance in terms of meeting the requirements of 

temperature and other chemical conditions.

The temperature and humidity of the filter cartridge dust collector selection gas are the main factors to consider in the selection rate, and each filter 

material corresponds to the corresponding use temperature. Since many high-temperature gas flue gases are suitable for dust capture by bag filters, 

a pre-cooling device should be added before the bag filter when the flue gas temperature exceeds the upper limit of the temperature resistance of 

the filter material. As the gas cools, the relative humidity of the gas selected by the cartridge dust collector will increase, preventing condensation of 

water vapor and causing dust to agglomerate on the filter material.

3. Filter cartridge dust collector selection According to the type of dust collector selected, the material of the dust removal cloth bag, the size of the dust concentration of the dust gas, the size of the allowable pressure loss and other factors, the ash cleaning method can be determined. According 

to the filter material and ash cleaning method, the gas velocity is determined, the filtration area is calculated, and the size and number of filter bags 

are determined.

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