2. Anti-static treatment Some dust will burn easily when it meets sparks at a certain concentration. Therefore, for flammable and explosive dust, we must choose needled felt filter material after antistatic treatment. Anti-static filter material means that conductive fibers are mixed into the fibers of the filter material or strip yarns with conductive functions are woven into the base fabric, so that the whole filter material has conductive properties. When in use, static electricity is guided to the dust box and the ground through the filter material, so as to prevent explosion accidents caused by electrostatic sparks.
3. Waterproof and oil-proof treatment adopts fluorocarbon resin and PTFE impregnated needle-punched felt filter material. The surface of the filter bag is hydrophobic, and water droplets can roll on the surface of the cloth, which makes it easier to collect dust, avoiding and alleviating the phenomenon of sticking and corrosion of the bag due to condensation when the temperature difference is large.
4. The easy dust removal treatment is generally mirror treatment, or the surface of the cloth with fine denier fiber surface layer is needled, so that the cloth has high-quality dust removal performance and can work for a long time under high filtering wind speed.
5. PTFE coating treatment If the particle size of dust is less than 65438 0 microns, or the dust has great adhesion, or the humidity of gas is high, ordinary filter materials cannot be effectively filtered. The film-coated filter material with PTFE as raw material not only has high filtration precision, but also has a smooth surface, which will not adhere to dust and is easy to remove dust, and at the same time, dust will not penetrate into the filter material.
6. Heat setting treatment In addition to the post-treatment of the dust bag, it is also necessary to heat set the dust bag.