▎ 摘　　要

NOVELTY - Dual-filtered composite haze molecular silicate material comprises e.g. 12-15 pts. wt. additive, 15-20 pts. wt. lactic acid chitosan, 10-15 pts. wt. nano graphene, 20-25 pts. wt. fly ash, 6-8 pts. wt. silica lime, 20-25 pts. wt. ethylene-vinyl acetate copolymer, 0.2-0.4 pts. wt. nano conductive graphite powder, 0.8-1 pts. wt. trimer of polyisocyanate, 1-2 pts. wt. polytetrafluoroethylene fiber, 5-10 pts. wt. polyvinyl acetate, 4-6 pts. wt. tung oil, 3-6 pts. wt. waste syrup, 1-2 pts. wt. sodium lauroyl sarcosinate, 3-5 pts. wt. fir gum, 4-8 pts. wt. asbestos wool and water. USE - Used as double-filtration composite-haze molecular silicate material. ADVANTAGE - The silicate material has high porosity and specific surface area. DETAILED DESCRIPTION - Dual-filtered composite haze molecular silicate material comprises 12-15 pts. wt. additive, 15-20 pts. wt. lactic acid chitosan, 10-15 pts. wt. nano graphene, 20-25 pts. wt. fly ash, 6-7 pts. wt. lime, 6-8 pts. wt. silica lime, 20-25 pts. wt. ethylene-vinyl acetate copolymer, 8-10 pts. wt. high polyethylene, 5-8 pts. wt. nano-active agent, 0.3-0.5 pts. wt. conductive mica powder, 0.2-0.4 pts. wt. nano conductive graphite powder, 0.8-1 pts. wt. trimer of polyisocyanate, 1-2 pts. wt. polytetrafluoroethylene fiber, 5-10 pts. wt. polyvinyl acetate, 4-6 pts. wt. tung oil, 3-6 pts. wt. waste syrup, 1-2 pts. wt. sodium lauroyl sarcosinate, 3-5 pts. wt. fir gum, 4-8 pts. wt. asbestos wool and water; the nano active agent is magnesium oxide, aluminum oxide, silicon nitride, boron and nitrogen (BN) in a weight ratio of 1:2:3:1; the preparation of additive comprises dispersing magnesium aluminum hydrotalcite in carbon dioxide containing deionized water to obtain slurry, and then dissolving excess of monosodium dihydrogen orthophosphate in a water to obtain solution, then adding the solution into the slurry, heating and stirring and adjust pH to 3.7 using acetic acid, refluxing for 3 hours, naturally cooling, washing with carbon dioxide containing deionized water and filtering until the filtrate of pH 7, and then drying to obtain final product; the preparation method of nano graphene comprises adding graphite in the concentrated sulfuric acid, at low temperature of - 20 to -10 degrees C for 5-12 hours, then stirring at 0-5 degrees C for 5-12 hours, adding potassium permanganate for oxidation reaction to obtain oxidized graphite solution, then directly adding obtained graphite oxide solution to cetyl trimethylammonium bromide, and flocculating and modifying the obtained graphite oxide to obtain modified graphite oxide solution, filtering, washing the modified graphite oxide solution and vacuum drying at 50 degrees C for 24 hours to obtain nano graphene. An INDEPENDENT CLAIM is also included for preparing double-filtration composite-haze molecular silicate material comprising (i) mixing the fly ash, lime, silicon lime , ethylene-vinyl acetate copolymer, surfactant, high polyethylene, nano conductive mica powder, conductive nano-graphite powder, trimer of polyisocyanate, polytetrafluoroethylene fiber, crushing and grinding, then adding waste syrup, sodium lauroyl sarcosinate, additive and proper amount of water and stirring uniformly to obtain the mixed material, (ii) extruding mixed material into brick blank by vacuum extruder, where the vacuum brick extruding machine is 0.5-0.8 MPa, the extruding pressure is 6-10 MPa; (iii) drying the brick in step (ii) under natural conditions for 10-12 days and sintering at 800-900 degrees C; (4) mixing fir oil, tung oil, polyvinyl acetate at 80-90 degrees C for 5-10 minutes, stirring at the speed of 800-1000 revolutions/minutes, then uniformly spraying the briquette surface obtained in step (iii) at 100-120 degrees C for 2-4 hours; and (v) mixing additive, lactic acid chitosan, nano graphene, quickly stirring for 5-6 hours to form uniform and stable transparent solution under magnetic stirring conditions, then loading of graphene between the layers through the high-temperature spray layer with electro-spray.