Denitration and dust removal integrated filter material preparation method and prepared filter material
A technology for denitrification, dust removal and filter material, applied in the field of preparation methods and obtained filter materials, can solve the problems such as the catalyst being difficult to be loaded, affecting the denitration efficiency, etc., and achieve the effects of improving corrosion resistance, improving denitration efficiency and tight bonding
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Embodiment 1
[0057]The preparation of an integrated filter material for denitrification and dust removal by a blending method includes the following steps:
[0058] (1) Preparation of precursor solution: the mass fraction is 50wt% manganese nitrate aqueous solution, cerium nitrate crystal, PTFE emulsion, coupling agent TF6583, sodium alginate powder, flame retardant TF-611B, deionized water according to the mass ratio of 80:60:10:3:1.5:10:40 Mix and stir for 30 minutes to form a viscous liquid;
[0059] (2) Preparation of needle-punched felt: put polytetrafluoroethylene (PTFE) fibers into the opener to open, and after preliminary opening, transport them to the fine opener for further opening and mixing; The mixed fiber is fed into the roller carding machine, so that the fiber is in the form of a single fiber, and carded into a web; the fiber web conveyed by the carding machine is laid into a fiber web with a certain number of layers (laying layer) by a reciprocating web laying machine. Th...
Embodiment 2
[0064] A two-step method is adopted to prepare the integrated filter material for denitrification and dust removal, including the following steps:
[0065] (1) Mix sodium alginate powder and deionized water according to the ratio of 1.5:50 and stir for 30 minutes until a head-shaped viscous sol liquid is formed, and there is no powder agglomeration in the sol liquid;
[0066] (2) Preparation of needle-punched felt: put polytetrafluoroethylene (PTFE) fibers into the opener to open, and after preliminary opening, transport them to the fine opener for further opening and mixing; The mixed fiber is fed into the roller carding machine, so that the fiber is in the form of a single fiber, and carded into a web; the fiber web conveyed by the carding machine is laid into a fiber web with a certain number of layers (laying layer) by a reciprocating web laying machine. The number depends on the gram weight of the single-layer fiber web and the required gram weight of the finished product...
Embodiment 3
[0073] The difference between this example and Example 1 lies in: the manganese nitrate aqueous solution with a mass fraction of 50wt% in the precursor solution, cerium nitrate crystal, PTFE emulsion, coupling agent TF6583, sodium alginate powder, flame retardant TF-611B , The mass ratio of deionized water is 80:60:10:6:3:10:15.
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