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Spray section and calcination section of kaolin PTMS magnetic separator process
published date: 2023/1/17

electromagnetic separator

Spray section of kaolin PTMS magnetic separator Process: Slurry formation in kaolin mill workshop enters the mud pool after the vibrating screen, the mud enters the tower with high pressure through the plunger pump, and the atomizing nozzle atomizes the mud. When the foggy mud meets the hot air entering the top of the spray tower, the moisture in the mud evaporates rapidly, and the dry material forms approximately spherical particles and is discharged from the bottom of the spray tower.

PTMS magnetic separator

 
The full steam is drawn out of the tower through the exhaust fan, and the fine powder discharged is collected by the cloth bag dust collector. At the same time, the purified waste gas is discharged into the atmosphere. ·2SiO2·2H2O→Al2O3 ·2SiO2 (metakaolinite) +2H2O. At this stage, kaolinite generally does not precipitate other new crystals, and the carbon and hydrocarbons associated with kaolinite are changed accordingly and PTMS magnetic separator is removed, thus whitening the product.

what is magnetic separation in Quartz?

 
High-temperature calcining stage of kaolin PTMS magnetic separator process process: When the temperature is higher than 925℃, metakaolinite starts to transform into a new crystalline mineral al-Si spinel, 2 (Al2O3 ·2SiO2) →2Al2O3 ·3SiO2 (Al-Si spinel) +SiO2; When the temperature is 1050 ~ 1100℃, the alumina spinel will begin to transform into another new crystal like mullite, and continue to pyrolysis SiO2. 2Al2O3 ·3SiO2→2Al2O3 ·SiO2 (mullite) +2SiO2.
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