Working principle and advantages of horizontal sand mill

In the chemical industry, the dispersion process is an important link. For example, paints, coatings, dyes, printing, pesticides, etc. will all use dispersion engineering, and the main function of dispersion is to disperse solid particles in a liquid medium. Generally, the so-called dispersion actually includes three stages: 

1. Wetting: The gas adsorbed on the surface of solid particles is replaced by liquid. 

2. Grinding: break the aggregated particles into original particles by mechanical force. 

Tridispersion: It is the permanent separation of particles by moving the wetted raw material particles into a liquid medium. 

Traditional dispersing and grinding machines have always been dominated by three-drum and ball mills. Since the advent of the vertical sand mill invented by DuPont in the United States to improve the slow production of traditional ball mills in 1952, grinding and dispersing machines have entered a new era. In 1966, European scientists developed a horizontal sand mill to further improve the shortcomings of the vertical sand mill. In addition to retaining the advantages of the vertical sand mill, it also adopted a forced separation automatic cleaning device to increase the filling rate of the grinding beads. With the advantages of no pollution, energy saving, and no noise, it became the mainstream of dispersing and grinding machines at that time. 

economic benefits 

1 Large output and high dispersion efficiency, the horizontal sand mill can be used for continuous production. Due to the excellent dispersion effect, the output is large.

2 Economical and safe, noiseless and fully sealed process saves solvent costs. 

3 Easy to change color, easy to load and clean. The design of the horizontal sand mill has taken into account the possibility of color change and the smallest dead angle, so it is very easy to clean. The special bead discharge valve can leak beads without disassembling the machine. 

4 Careful material selection, durable, with exquisite design, selection of high-grade wear-resistant steel, excellent wear resistance, special material pneumatic Diaphragm Pump, low failure rate, no special maintenance. 

5. Part materials can be selected appropriately according to the requirements. In special occasions where water-based materials or pollution are not allowed, special materials such as high-strength plastic steel or special parts can be used in combination to achieve higher quality. 

6. The material is fed from front to back, fed from the top through the full grinding of the grinding barrel, and then output from the top, without any dead angle in the grinding barrel. 

7 The dynamic gap separation device uses ultra-high hardness tungsten carbide alloy, which has excellent wear resistance. The high-speed rotating moving plate makes it difficult for beads to stay, and has automatic cleaning function to ensure the separation effect.