Absorbent pelletizing method
An adsorbent and ball forming technology, which is applied in the direction of granulating raw materials, chemical instruments and methods, alkali metal compounds, etc., can solve problems such as increased labor intensity, uneven dispersion, and large dust, so as to improve production efficiency, Effect of improving working environment and reducing labor intensity
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Embodiment 1
[0033] NaY molecular sieve (oven-dried, water content is 27% by weight) and kaolin (Shanxi Linfen Kaolin Factory, water content is 21% by weight) are mixed according to the dry basis mass ratio of 88:12, put into the kneader, and use pressure during stirring A type atomizing spray gun was pre-wetted for 10 minutes, and the powder was pre-wetted from 26.28% by weight of water to 41% by weight, and the obtained powder was mixed evenly. Put the pre-wet powder with a water content of 41% by weight into the disc granulator and roll the balls (add a small amount of water as appropriate in the middle depending on the volatilization of water), and grow into small balls with a particle size not greater than 1mm. The crushing rate of the adsorbent is 25.2%, which meets the technical requirements of the adsorbent crushing rate ≤ 30%.
[0034] During the ball forming process, since the water content of the pre-wet powder is 41% by weight, there is almost no dust when put into the disc gra...
Embodiment 2
[0036] The pelletization was carried out according to the method of Example 1, except that the water content of the pre-wet powder was 35% by weight. Beads with a particle size of not more than 1mm were obtained, and the crushing rate of the pellets under 250N was 28.0%. And because the amount of water to be added in the ball rolling process is more, the long ball time is prolonged and the labor intensity is increased.
Embodiment 3
[0038] The pelletization was carried out according to the method of Example 1, except that the water content of the pre-wet powder was 43% by weight. Beads with a particle diameter not greater than 1mm were obtained, and the crushing rate of the bead was 26.5% under 250N.
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