A kind of composite material using biomass burning slagging as raw material and preparation method thereof
A composite material and biomass technology, applied in the field of new composite materials, can solve the problems of limited use, large combustion and slagging, etc., and achieve the effects of promoting recycling, good mechanical strength, and good flame retardancy
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Embodiment 1
[0028] 1) Put corn stalks into granular fuel and put it into the agricultural and forestry biomass combustion furnace developed by Shandong University of Technology. Grinding through an ultra-fine pulverizer to a 60-mesh sieve, putting it in a drying oven and drying it at 105°C for 24 hours to reduce the water content to below 2%;
[0029] 2) Put 200g of dried corn stalk burning slagging, 570g of recycled polyethylene, 200g of magnesium hydroxide flame retardant, and 30g of lubricant into a cross-rotating double-motion mixer and fully mix to obtain a uniform mixture. The mixing time is 10min ;
[0030] 3) Put the fully mixed material into the barrel of the conical twin-screw extruder, set the temperature of the main machine to 170°C, the speed of the feeder to 30r / min, the speed of the feeder to 10r / min, start the machine to extrude and granulate; The obtained pellets are put into the twin-screw extruder again according to the above steps and parameters for secondary extrusio...
Embodiment 2
[0032] 1) Put corn stalks into granular fuel and put it into the agricultural and forestry biomass combustion furnace developed by Shandong University of Technology. Grind it to a 70-mesh sieve through an ultra-fine pulverizer, put it in a drying oven and dry it at 105°C for 24 hours to reduce its water content to below 2%;
[0033] 2) Add 300g of dried corn stalk burning slagging, 470g of recycled polyethylene, 200g of magnesium hydroxide flame retardant, and 30g of lubricant into a cross-rotating double-motion mixer and fully mix to obtain a uniform mixture. The mixing time is 10 minutes;
[0034] 3) Put the fully mixed material into the barrel of the conical twin-screw extruder, set the temperature of the host machine to 175°C, the speed of the feeder to 40r / min, the speed of the feeder to 15r / min, start extrusion molding and granulate; The obtained pellets are put into the twin-screw extruder again according to the above steps and parameters for secondary extrusion molding...
Embodiment 3
[0036] 1) Put corn stalks into granular fuel and put it into the agricultural and forestry biomass combustion furnace developed by Shandong University of Technology. Grinding through an ultra-fine pulverizer to 80-mesh sieve, putting in a drying oven and drying at 105°C for 24 hours to reduce the water content to below 2%;
[0037] 2) Add 400g of dried corn stalks and 370g of recycled polyethylene, 200g of magnesium hydroxide flame retardant, and 30g of lubricant to a total of 11kg, and add them into a cross-rotary double-motion mixer to fully mix to obtain a uniform mixture. The time is 15 minutes;
[0038] 3) Put the fully mixed material into the barrel of the conical twin-screw extruder, set the temperature of the main machine to 190°C, the speed of the feeder to 50r / min, the speed of the feeder to 20r / min, start extrusion molding and granulate; The obtained pellets are put into the twin-screw extruder again according to the above steps and parameters for secondary extrusi...
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