Selection principle of dust filter bag
Dust filter bag is the heart of dust remover, the selection of filter bag is very important, it directly affects the dust removal effect of dust remover, dust filter bag fabric and design should strive for efficient filtration, easy dust stripping and durable effect. Selection of filter bag should be selected from the following aspects: gas temperature, humidity and chemical properties; Particle size; Dust concentration; Filter wind speed; Ash removal method and other factors are considered comprehensively.
Filter bags are generally selected according to the nature of dust and gas, the nature of dust and the different ways of dust removal of the filter. The following principles should be followed when selecting filter bags:
(1) filter bag performance should meet the production conditions and dust removal process of the general situation and special requirements.
(2) in the above premise, should choose as far as possible the long service life of the filter bag, this is because the long service life can not only save operating costs, and can meet the requirements of long-term gas emissions.
(3) when choosing the filter bag should be all kinds of filter material sorting comprehensive comparison, should not use a so-called "good" filter bag to adapt to a variety of working conditions.
(4) in the gas nature, dust nature and dust cleaning way, should grasp the main factors affecting the selection of filter bags, such as high temperature gas, corrosive gas, flammable dust.