A kind of superfine powder of Hetian jade and preparation method thereof
A technology of ultrafine powder and coarse powder, which is applied in cocoa, grain processing, food science, etc., can solve the problems of difficulty in obtaining ultrafine powder with particle size, difficulty in ultrafine powder, poor fluidity, etc., and achieve improvement Crushing effect, good fluidity, and the effect of reducing difficulty
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Embodiment 1
[0036] A preparation method of Hetian jade superfine powder, the specific steps are as follows:
[0037] (1) Hetian jade scraps are mechanically pulverized to make Hetian jade coarse powder with a particle size≤5mm, which is set aside;
[0038] (2) Add sodium silicate to the first part of water, stir to disperse, then add diethylene glycol, nano-aluminum oxide, polyacrylamide, triethanolamine, and maleic acid olefin copolymer while stirring, and mix to obtain treatment agent, spare;
[0039] (3) Slowly pour the Hetian jade coarse powder into the treatment agent, oscillate evenly with ultrasonic waves, and after vacuum freeze-drying, use a jet mill to pulverize to make Hetian jade coarse powder with a particle size of ≤10 μm;
[0040] (4) Pour the coarse powder of Hetian jade into the second part of water, stir and mix well, then add positively charged nano-zinc oxide, ultrasonically oscillate, and make the surface of the coarse powder of Hetian jade appear positive through th...
Embodiment 2
[0054] A preparation method of Hetian jade superfine powder, the specific steps are as follows:
[0055] (1) Hetian jade scraps are mechanically pulverized to make Hetian jade coarse powder with a particle size≤5mm, which is set aside;
[0056] (2) Add sodium silicate to the first part of water, stir to disperse, then add diethylene glycol, nano-alumina, polyacrylamide, triethanolamine, maleic acid olefin copolymer while stirring, and stir to mix , to get the treatment agent, for standby;
[0057] (3) Slowly pour the Hetian jade coarse powder into the treatment agent, oscillate evenly with ultrasonic waves, and after vacuum freeze-drying, use a jet mill to pulverize to make Hetian jade coarse powder with a particle size of ≤10 μm;
[0058] (4) Pour the coarse powder of Hetian jade into the second part of water, stir and mix well, then add positively charged nano-zinc oxide, ultrasonically oscillate, and make the surface of the coarse powder of Hetian jade appear positive thro...
Embodiment 3
[0071] A preparation method of Hetian jade superfine powder, the specific steps are as follows:
[0072] (1) Hetian jade scraps are mechanically pulverized to make Hetian jade coarse powder with a particle size≤5mm, which is set aside;
[0073] (2) Add sodium silicate to the first part of water, stir to disperse, then add diethylene glycol, nano-alumina, polyacrylamide, triethanolamine, maleic acid olefin copolymer while stirring, and stir to mix , to get the treatment agent, for standby;
[0074] (3) Slowly pour the Hetian jade coarse powder into the treatment agent, oscillate evenly with ultrasonic waves, and after vacuum freeze-drying, use a jet mill to pulverize to make Hetian jade coarse powder with a particle size of ≤10 μm;
[0075] (4) Pour the coarse powder of Hetian jade into the second part of water, stir and mix well, then add positively charged nano-zinc oxide, ultrasonically oscillate, and make the surface of the coarse powder of Hetian jade appear positive thro...
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