Bentonite Powder Uses And Production Process


Summary:What is bentonite powder used for and bentonite production process is important, This article will introduce you in detail.

What Is Bentonite

Bentonite has good physical and chemical properties. It can be used as purifying and decolorizing agent, binder, thixotropic agent, suspending agent, stabilizer, filler, feed, catalyst, etc., and is used in agriculture, light industry, cosmetics, medicine and other fields. De-stone is a kind of natural mineral material with wide application.

What Is Bentonite Clay Used For

Bentonite can also be used as waterproof material, such as bentonite waterproof blanket, bentonite waterproof board and supporting materials, which are laid by mechanical fixing method. Used in underground environments with a pH of 4 to 10, modified bentonite should be used in environments with high salt content, and it should be used after passing the test.

Application prospects Of Bentonite

Bentonite is a water-bearing clay mine dominated by montmorillonite. The chemical composition of montmorillonite is: (Al2,Mg3)Si4O10 OH2•nH2O, due to its special properties. Such as expandability, adhesion, adsorption, catalysis, thixotropy, suspension and cation exchange. Therefore, it is widely used in various industrial fields. Bentonite is a non-metallic mineral with montmorillonite as the main mineral component, the montmorillonite structure is a 2:1 type crystal structure composed of two silicon-oxygen tetrahedral sandwiched with a layer of aluminum-oxygen octahedron, due to the layered structure formed by montmorillonite unit cells There are some cations, such as Cu, Mg, Na, K, etc., and the role of these cations and montmorillonite unit cells is very unstable, easy to be exchanged by other cations, so it has good ion exchange. Foreign countries have been applied in more than 100 departments in 24 fields of industrial and agricultural production, with more than 300 products, so people call it "universal soil". 

Bentonite Powder Production Process

The main raw material for the production of bentonite powder is montmorillonite. Milling equipment is used in the process of making montmorillonite powder, and the process of processing and producing montmorillonite by milling equipment is as follows.

The first stage: drying of montmorillonite raw materials

According to the moisture content of the montmorillonite raw material, the raw material is dried through a dryer or hot air to the mill.

The second stage: feedstock for montmorillonite

The crushed montmorillonite pieces are sent to the storage hopper by the elevator, and then sent to the grinding chamber of the vertical mill evenly and quantitatively by the feeder for grinding.

The three stages: grinding and classification

The montmorillonite powder after being ground by a vertical mill (Using an ultra-fine vertical mill equipped with a multi-head ultra-fine powder classification system) is classified by a multi-head ultra-fine powder classification system, and the unqualified powder is returned to the vertical mill after being classified by the classifier The host machine grinds again.

The four stages: collection of finished products

The powder that meets the fineness is separated and collected in the dust collector through the pipeline through the airflow. The collected finished powder is sent to the finished product silo through the discharge port by the conveying device, and then is packaged by a powder tanker or an automatic baler.

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