Application of flotation machine in fine-grained ilmenite

15311826613

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Titanium has a wide range of applications. It can be used as a deoxidizer in the steel industry, as corrosion-resistant containers and pipes in the chemical and petroleum industry, and as industrial pigments. The ilmenite resources in my country are very rich. There are good recovery processes for ilmenite with particle sizes above 20 μm. However, minerals with particle sizes below 20 μm have not been fully utilized. They are generally made into mud and flowed into the tailings. .

With the development of science and technology, flotation method can be used to obtain better indicators for the recovery of fine-grained ilmenite below 20 μm. Among them, flotation machine It is the main equipment in flotation operation.

To flotate ilmenite with a flotation machine, you need to add flotation reagent to make ilmenite react with other minerals. Separate and then float the ilmenite concentrate. Currently, the common flotation machines for flotating ilmenite include: conventional flotation, flocculation flotation and agglomeration flotation.

1. Conventional flotation by flotation machine

When the flotation machine performs conventional flotation operations, oleic acid and its soaps, oxidized paraffin soap, tar oil, etc. are often used to capture agents, or new collectors such as TAO, R-2, H1717, ZY, RST, TOB, etc. When the pH reaches a suitable value, ilmenite emerges.

Among the above chemicals, oleic acid and soap are commonly used. The technology is mature and reliable. By heating and increasing oxygen Content or adding emulsifiers can improve its collection performance, but the chemical consumption is high and the selectivity is poor.

2. Flotation machine flocculation and flotation

There are two types of flocculation and flotation operations performed by flotation machines, namely selective flocculation and flotation and hydrophobic flocculation and flotation. Among them, choose Flocculation and flotation is a method of coagulating and flocculating one of the minerals from a dispersion of two or more minerals.

Hydrophobic flocculation and flotation refers to the hydrophobic particles suspended in water that attract each other and flocculate due to their hydrophobic interaction. The phenomenon of agglomeration, hydrophobic floc is achieved by adding collector and neutral oil under high-speed stirring.

3. Flotation machine agglomeration flotation

Flotation machine agglomeration flotation uses a collector to adsorb on the surface of ilmenite to make it hydrophobic, and then uses minerals to adsorb it on the surface of ilmenite. The agglomerates float to complete the flotation operation. In this flotation operation, the stirring effect of the impeller of the flotation machine is very important. Under strong stirring, it can give more energy to the mineral particles and improve the flotation efficiency.

The main role of the above flotation machine in ilmenite and the common Flotation process method introduction. If you want to know more about the application of flotation machines, you can consult Xinhai Mining!