A double -deck compound filter paper for rolling over pleat type air cleaner

• Main Author: XIAO ZHIQUN
• Format: Patent
• Language: English
• Published: 23.12.2015
• Subjects: IMPREGNATING OR COATING OF PAPER; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PERFORMING OPERATIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; TEXTILES; TRANSPORTING; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

The utility model provides a double -deck compound filter paper for rolling over pleat type air cleaner, includes the fine filter layer of polyurethane elastic nonwoven filter layer and glass, the average fiber diameter of polyurethane elastic nonwoven filter layer is 0.5 -10 mu m, and the grammes per square metre is 0.05 -0.50mm at 10 -50gm2, thickness, the average fiber diameter of the fine filter layer of glass is 0.5 -5 mu m, and the grammes per square metre is 0.25 -0.50mm at 50 -100gm2, thickness. The utility model provides a pair of a double -deck compound filter paper for rolling over pleat type air cleaner, wherein filter effects is played on the polyurethane elastic nonwoven layer, the fine filter layer of glass plays the effect of filtration and supporting layer. This duplex paper has combined static to filter mechanism and machinery filters mechanism, has guaranteed filtration efficiency's long residual action to air cleaner's accumulation purification volume and purification life -span have greatly been improved.