The grinding effect of three roll mill VS sand mill

The three roll mill is an open mill and the sand mill is a sealed mill. The three roll mill is used for grinding high viscosity materials. The disadvantage is that the solvent is highly volatile and easy to crust. The sand mill is suitable for wet grinding of the medium, high and low viscosity, with a wide range of applications and high production capacity.



three roll mill discharge status

sanding machine:

Sand mill, also known as a bead mill, is mainly used for the wet grinding of chemical liquid products. It is mainly composed of body, grinding cylinder, sand grinding disc (lever), grinding medium, motor, and feeding pump. The speed of feeding is controlled by the feeding pump. The grinding media of this equipment are generally divided into zirconia beads, glass beads, zirconium silicate beads, etc.
Sand mill is currently the most widely adaptable, most advanced, and most efficient grinding equipment. It has the narrowest grinding cavity, the smallest lever gap, and the most intensive grinding energy. With the high-performance cooling system and automatic control system, the material can be continuously The continuous discharge of processing material greatly improves the production efficiency.
sand mill

use:

Compared with grinding equipment such as ball mill, roller mill, and colloid mill, the sand mill has the advantages of high production efficiency, strong continuity, low cost, and high product fineness. The process conditions vary greatly, and the fineness requirements can be adjusted and classified by adding or subtracting grinding media in an appropriate amount.

Generally, there are vertical sand mills, horizontal sand mills, basket sand mills, double-cone bar sand mills, nano-level horizontal sand mills, except for vertical sand mills, ordinary 2-3/ Except for 3-4mm glass beads, other equipment uses 0.8-2.4mm zirconia beads.

horizontal sand mills

three roll mills:

Three roll mill is referred to as three roller mill. Three roll mill can be divided into experimental three roll mill and production three roll mill. The three roll mill is suitable for the manufacture of paints, inks, pigments, plastics, and other slurries.

How the three roll mill works:

The three roll mill achieves the grinding effect by squeezing the surfaces of the three horizontal rollers with each other and rubbing at different speeds.
The three roll mill is the most efficient grinding and dispersing equipment for high viscosity materials.
The tipping bucket of a three roll mill

working principle:

The grinding effect is achieved by the mutual extrusion of the surfaces of the three horizontal rollers and friction at different speeds. The roll material of the three roll mill is the centrifugal casting of chilled cast iron.

Features:

The three roll mill is the most efficient grinding and dispersing equipment for high viscosity materials. Mainly used for the grinding of various paints, inks, pigments, plastics, cosmetics, soaps, ceramics, rubber, and other liquid slurries and paste-like materials.

The grinding state between the three-roller and the sand mill is different, and they also have different applicability. For different materials, both have their own strengths, and they can also be deficient in each other. With nearly 20 years of experience in the research and manufacture of mills, if you are still looking for a reliable partner, you can contact us directly.

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Source: Franli

This article address : The grinding effect of three roll mill VS sand mill

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