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Four Measures to Prolong the Service Life of Dust Catcher

Author: HXJQTime: 5/19/2013 5:33:24 PM

    The dust catcher is an important part of the drying machine, which has the disadvantages of large volume of exhaust air, high concentrations of dust, high moisture content, high discharging point and wide range of pollution, bringing the difficulty for the dust removal technology. The exhaust gas of the dryer is related with the process conditions of individual enterprise such as the large production change, frequent downtime and large fluctuation range. Furthermore, if the coal is used as the drying heat sources, the sulfur oxides in the emission have corrosive effect on metal structure, which brings some difficulties for the selection of the dust catcher. The following are four measures to prolong the service life of the dust catcher of the dryers: 
1. The material of the dust removal equipment should choose the alloy whose aluminum content is not less than 95%, which can greatly reduce corrosion.
2. The heat insulation of the dust removal system should be guaranteed. The entry of the cold air blast is one of the important reasons that cause the corrosion of dust removal equipment. As long as the heat insulation work is carried out well, the corrosion would be greatly reduced.
3. It can adopt the secondary dust removal program. The so-called secondary dust removal is to use the cyclone dust catcher with high wear resistance for primary dust removing and then to use the second dust remover for the final dust removing.
4. The operation of the drying equipment and dust collector should be standardized. The standardized operating procedure of the machinery is the necessary step, which can minimize corrosion.