Method for manufacturing graphene nanoplatelets by arranging rotary screw rod in vibrating mill and graphene nanoplatelets
A graphene microchip and vibration grinding technology, applied in graphene, chemical instruments and methods, inorganic chemistry, etc., can solve the problems of impaired application performance, high production cost, complicated process, etc. The effect of efficient preparation and simple preparation process
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Embodiment 1
[0031] (1) After mixing graphite powder with a mass ratio of 100:5 and dry ice with a particle size of 1mm, add it to a vertical single-cylinder vibrating mill. The amplitude of the vibrating mill is 10-15mm, and the volume of the grinding cylinder is 10L without grinding media. The power of the motor fixed on the grinding cylinder cover is 0.5kw, and the screw rod with a length of 15cm extends into the grinding cylinder. The thread length is 10cm, which is a single-head triangular gradual thread. , is 20mm, the depth of the screw groove at the upper end is the smallest, which is 5mm, and the thread pitch is 5mm;
[0032] (2) After graphite powder and dry ice are added, put the cover on the grinding cylinder, turn on the vibrating mill and run for 5 minutes, turn on the power of the motor above the screw, turn on the screw to rotate at a high speed, the speed is 1000rpm, when the vibrating mill and the screw run together for 1 hour Finally, stop, open the grinding cylinder, co...
Embodiment 2
[0036] (1) After mixing graphite powder with a mass ratio of 100:5 and dry ice with a particle size of 1mm, add it to a vertical single-cylinder vibrating mill. The amplitude of the vibrating mill is 15-20mm, and the volume of the grinding cylinder is 20L without grinding media. The power of the motor fixed on the grinding cylinder cover is 0.75kw, and the screw rod with a length of 30cm extends into the grinding cylinder. The thread length is 25cm, and it is a single-head triangular gradual thread. , is 20mm, the depth of the screw groove at the upper end is the smallest, which is 5mm, and the thread pitch is 5mm;
[0037](2) After adding graphite powder and dry ice, put the cover on the grinding cylinder, turn on the vibrating mill and run it for 10 minutes, then turn on the power of the motor above the screw, turn on the screw to rotate at a high speed at 1200rpm, when the vibrating mill and the screw run together for 1.5 Stop after h, open the grinding drum, collect exhaus...
Embodiment 3
[0041] (1) After mixing graphite powder with a mass ratio of 100:8 and dry ice with a particle size of 5mm, add it to a vertical double-barrel vibrating mill. The amplitude of the vibrating mill is 20~30mm, and the volume of each mill barrel is 25L. Each grinding cylinder is equipped with a screw and a screw motor. There is no grinding medium in the vibration mill. The power of the motor fixed on the grinding cylinder cover is 0.7kw. The screw rod with a length of 35cm extends into the grinding cylinder, and its thread length is 30cm. Head triangular gradient thread, the bottom end of the thread, that is, the end near the bottom of the grinding cylinder, has the deepest screw groove of 30mm, the upper end of which has the smallest screw groove depth of 10mm, and the thread pitch is 10mm;
[0042] (2) After adding graphite powder and dry ice, put the cover on the grinding cylinder, turn on the vibrating mill and run it for 10 minutes, then turn on the power of the motor above th...
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