Shandong AlPa Powder Technology has laminated two years, successfully completed the special ceramic vertical grading wheel of lithium-electric positive electrode materials with a diameter of 600. Can be used with airflow classifiers. Compare the "ceramic horizontal grading wheel", successfully solved a series of problems such as adhesion, not fine, and unsteady. Shandong ALPA-developed lithium-eM positive material special ceramic vertical grading wheel can strictly control the iron content during operation, the grading is accurate, and the finished product is freely adjusted.
The particle size is one of the important indicators of the pigment, which generally requires the physical form of the pigment particles to be stabilized, the particle size is uniform, and has good dispersibility. Not agglomerated or precipitated.
When preparing pigment powder, we generally choose airflow pulverizer, which is material pulverization method. When choosing a specific pulverization method, the properties of the pulverized material are required to be determined.
Currently in the pigment production industry, the application range of airflow pulverization is increasing, mainly from the following two factors: one is mechanical Crushing is poor, because if there is a hard metal falling on a high-speed rotating mechanical tooth, it is easy to produce a fire, which is very dangerous in dust-large pigment production workshops, while airflow is crushing without this problem; It is a gas stream to be smashed into ultra-fine pulverization, in the production of some special pigments, the fineness of the pigment is high.
1,Airflow pulverization case:
In the calcination of iron oxide pigment, during drying, due to the factors such as Van Dew Hua, hydrogen bond, charge, micromolytic reunion into large aggregates, and unconnected by general mechanical action. Treatment of iron oxide pigments by fluidized bed or disc air pulverizer, Hay Gman fineness can be achieved: iron oxide red 5.5 ~ 7.0, the color is getting deeper, the finer is better; the iron oxide 7.0; iron oxide black 7.0 .
After ultrafine pulverization, the iron oxide pigment is polymerized by a large aggregate group as a small aggregate. When the coating is produced, it takes a short time high-speed stirring process, and it can meet the requirements, thereby saving costs. And the small gather collective of the pigment is difficult to return to the large aggregation, ensuring the quality of the coating.
2,Airflow pulverization case: Black high temperature iron-resistant pigment Tuzi, surface modified treatment, drying, pulverized ferrous manganese pigment fine particles, and refunded Thick particles do not effectively effectively use the pigment properties of ferric acid.
After deep-machining grinding treatment with fluidized bed or disk airflow pulverizer, the Haidmann fineness of manganese acid is approximately 7 to 7.5, and the dispersion is very good, and its optical performance can be fully utilized. And pigment performance. 3,
Airflow pulverization case:
Brown ceramic pigment Lu Jinhai, etc., using a flat gas flow pulverizer, ultra-fine pulverization of brown ceramic pigments, at the air pressure of 7.5 × 105Pa, and the product D50 is 4.55μm, maximum The diameter is 9.64 μm.
At the same time, AlPA loves powder technology with its own excessive quality and good market reputation, and has harvested more and more new customers. The favor, Hongrun Petrochemicals, three trees coatings, Ningde Times, BYD Automobile and other enterprises have chosen all series of airflow crusher products of ALPA love powder technology in accordance with their own demand.
