Flotation calcium-removing agent and method for magnesite
A magnesite and medicament technology, applied in the field of magnesite processing, can solve problems such as difficult to meet the application requirements of magnesium materials, affect the purity and quality of magnesium products, and the operation process is not fine enough, so as to achieve considerable application prospects and facilitate promotion and operation easy effect
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[0017] Example 1:
[0018] (1) Raw ore pretreatment: use a jaw crusher to crush the magnesite ore, mix the crushed product with water and then use a ball mill to fully grind it, send the ball mill product to the classifier to pass a 20-mesh standard sieve, collect the materials on the screen and return to The ball mill grinds again, and the material under the screen enters the reverse flotation link;
[0019] (2) Reverse flotation: according to the one-time reverse flotation reagent system: hydrochloric acid 1600 g / t, sodium phosphate 100 g / t, dodecylamine 20 g / t, accurately weigh the flotation reagent, and compare it with step (1) The materials under the sieve are mixed thoroughly, and an appropriate amount of water is added to stir evenly, then sent to the flotation machine, filled with sufficient air for flotation, and the bottom material is retained; according to the secondary reverse flotation reagent system: sodium phosphate 100 g / t, Dodecylamine 20 g / t, accurately weigh the...
Example Embodiment
[0022] Example 2:
[0023] (1) Raw ore pretreatment: use a jaw crusher to crush the magnesite ore, mix the crushed product with water and then use a ball mill to fully grind it, send the ball mill product to the classifier to pass a 20-mesh standard sieve, collect the materials on the screen and return to The ball mill grinds again, and the material under the screen enters the reverse flotation link;
[0024] (2) Reverse flotation: according to the one-time reverse flotation reagent system: hydrochloric acid 1680 g / t, sodium phosphate 140 g / t, dodecylamine 24 g / t, accurately weigh the flotation reagent, and compare it with step (1) The materials under the sieve are mixed thoroughly, and an appropriate amount of water is added to stir evenly, then sent to the flotation machine, filled with sufficient air for flotation, and the bottom material is retained; according to the secondary reverse flotation reagent system: sodium phosphate 140 g / t, Dodecylamine 24 g / t, accurately weigh the...
Example Embodiment
[0027] Example 3:
[0028] (1) Raw ore pretreatment: use a jaw crusher to crush the magnesite ore, mix the crushed product with water and then use a ball mill to fully grind it, send the ball mill product to the classifier to pass a 20-mesh standard sieve, collect the materials on the screen and return to The ball mill grinds again, and the material under the screen enters the reverse flotation link;
[0029] (2) Reverse flotation: in accordance with the one-time reverse flotation reagent system: hydrochloric acid 1700 g / t, sodium phosphate 150 g / t, dodecylamine 27 g / t, accurately weigh the flotation reagent, and compare it with step (1) The materials under the sieve are mixed thoroughly, and an appropriate amount of water is added to stir evenly, then sent to the flotation machine, filled with sufficient air for flotation, and the bottom material is retained; according to the secondary reverse flotation reagent system: sodium phosphate 150 g / t, Dodecylamine 27 g / t, accurately wei...
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