In the field of dust bag , the bag is usually likened bag house heart , bag filter can handle what flue gas dust , also depends mainly used to manufacture chemical fiber bag their own conditions . So we must understand the dust bag performance test methods in order to select the most suitable dust bag . For dust bag , content verification and testing needs as follows 1. Visual inspection : puncture , defects, spots, jumpers, disconnection, and other joints. 2. Physical properties : If the unit mass of dust bag area, thickness , amplitude, woven tissue , fabric density , non-woven fabric bulk density , porosity and the like. 3. Mechanical properties : If the dust bag breaking strength , elongation at break , bag of latitude and longitude to the load elongation , bursting strength of filter media and the like. 4. Dust features: such as the drag coefficient , static dust removal efficiency , dynamic collection efficiency filter dynamic resistance , resistance coefficient and dust stripping regeneration rate . 5. Special feature: such as temperature resistance , corrosion resistance , electrostatic properties , hydrophobicity and the like. Under normal conditions the flue gas temperature , the bag can only resistance temperature below 150 ℃ , these occasions , polyester, polypropylene, acrylic, nylon and other chemical fiber can basically do the job. For the flue gas temperature is relatively high occasions, you need to select high-temperature filter, such as glass fiber dust bag , fluorine Mae dust bag , dust bag US Freitas , PPS dust bag and so on .
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