The pulverization and dispersion of the material by the ultrafine grinding equipment is mainly achieved by the grinding medium, so the grinding medium has a great influence on the ultrafine pulverization process. This article will focus on the impact of the hardness and density of the grinding media on the ultrafine. Grinding media can be divided according to their size and grinding beads grinding balls, the material can be divided according to their zirconia, zirconium silicate, aluminum oxide quality, kaolin and other. The density and hardness of the grinding media play an important role in the grinding efficiency. The higher the density of the medium, the higher the grinding efficiency; the higher the hardness and the smaller the abrasion, the easier the purity of the product is guaranteed. However, under the condition that the specific gravity and viscosity of the slurry are constant, the density and hardness of the grinding medium are not as high as possible. Excessive density and hardness not only increase the cost, but also have the following adverse effects: 1) When the concentration and viscosity of the slurry are constant, the excessively high density of the grinding medium will mostly sink to the bottom of the barrel, causing uneven distribution of the grinding medium in the barrel, and the greater the difference in density, the more unreasonable the distribution. Under normal working conditions, under the joint action of gravity and centrifugal force, the stroke between the grinding media of the host bottom is reduced, the impact strength is weakened, the probability of the grinding media being squeezed between each other is increased, the energy consumption of the grinding medium is increased, and the grinding efficiency is lowered. It may even cause the maximum particle size of the product to go out of control. 2) When the difference between the specific gravity of the slurry and the density of the grinding medium is too large, a large amount of grinding medium sinks to the bottom, which not only affects the reasonable distribution of the grinding medium in the barrel, but also makes the host start again difficult. 3) The hardness is large, the toughness is inferior, and the impact resistance is also poor. While the grinding medium impacts the material to be ground at a high speed, it is also easy to cause its own crushing, increasing the possibility that itself and other grinding media are crushed. Application scope: Heat Shrink Wrapping Machine,Heat Shrink Packaging Machine,Thermal Shrink Packaging Machine,Heat Shrink Packing Machine Ruian Science Machinery And Technology Co., Ltd. , https://www.science-packs.com
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Performance Characteristics:
1.Driven by three servo motors, the whole machine is easy to operate, the stability is high, the packaging efficiency is high
2.There are few mechanical components, which greatly reduce the failure rate, easy maintenance and less noise.
3.Adopt the design of reciprocating transversely sealed knife base, with beautiful appearance and good sealing performance.
4.High sensitivity photoelectric eye color standard tracking, mathematically input sealing position, so as to make the sealing position more accurate.
5.Side sealing can use electrostatic adsorption instead of heat sealing, so as to save the cost of packaging film, and the sealing line is smoother and beautiful.
6.Cantilever frame design body, robust and durable.
7.Temperature independent PID control, better suitable for various coating materials.
8.Positioning stop function, non-sticking knife, no waste of film.
9.The transmission system is simple, reliable and easy to maintain.
10.with automatic reversal of the cutter when cut to package, start up directly after restart for easy operation.