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What are the Main Points of Purchasing a High-speed Mixer

What are the main points of purchasing a high-speed mixer?
1. For materials with finer grain size, special attention should be paid to the sealing of production equipment, and the residual amount should be carefully considered. For example, when mixing flour with a two-axis paddle-free gravity mixer, a 90° full-length large-opening door, a spray self-cleaning system, a slanting discharge door and a shaft end gas seal structure are simultaneously selected to better ensure the seal and Reducing the residue, and replacing the return air duct with the upper bag air exhaust to prevent the fine flour from being sprayed from the return air pipe too much during mixing.
Second, for materials with different specific gravity, high-speed mixer equipment, in addition to structural strength and power, its production parameters such as discharge gate, rotor, body and other structural forms and even rotational speed are often quite different, can not simply look at it For local enhancement or power scaling. For example, a ribbon blender hops generally adopts a double-headed double-belt wide ribbon, while a mixed iron-red powder is usually a single-layer staggered spiral ribbon, and the remaining structures of the two are also significantly different, and the rotational speed difference is also large.

High-speed Mixer
Third, multi-faceted consideration of the impact of other special physical properties on the selection of equipment. For materials with poor fluidity or liquid addition, the coulter, flying knife, crushing roller and other mechanisms with strong shear mixing effect can be reasonably selected according to the specific conditions; the mechanism with faster wear should be wear-resistant or designed. It can be adjusted and replaced; the equipment that needs to be cleaned frequently due to material bonding should be provided with self-cleaning device and convenient and quick cleaning door; if the shape or particle state is not allowed to destroy the material, it is suitable to use the container rotary mixer. Mainly rely on convection mixing and diffusion mixing and mixing process softer equipment and so on.
4. For the high-speed mixer of materials that require heating or accompanying chemical reactions, in addition to selecting the appropriate material and temperature control structure, it is also necessary to pay attention to the influence of temperature changes on the equipment mechanism itself. If the discharge door adopts a small opening door structure, if it is necessary to use a large opening door structure, it is necessary to adopt a discharge structure such as a slanting type discharge door with automatic compensation capability, so as to avoid the reliability of the sealing due to the heat deformation of the discharge part. At the same time, the equipment such as the main shaft and the rotor should be designed to take the necessary line expansion compensation measures.

Category: Mixer blog,Mixer Q & A

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