Novel super fine powder fluidizing equipment

Abstract

The present invention discloses a novel ultrafine powder fluidizing device which is arranged in a certain elevation angle, and the angle can be adjusted properly according to the character of material. The bottom is equipped with an air distributing board, and a bed body with a spiral slot rotates around the air distributing board. A screw feeder sends the material to the upper part of the columnar bed body with the spiral slot, the bed body is driven by a motor to rotate continuously and move down to enter into the fluidizing part, and at the same time, the rotation of the bed body is good for improving the fluidizing quality. After the feeding quantity is more than set processing quantity, well fluidized powder can be discharged from a pore at the lower part of the bed body under the action of centrifugal force, casted material is concentrated at the internal wall of an annular cover body outside the bed body and finally slides out from a cover opening. An inclined rotary fluidizingdevice can ensure that the ultrafine powder has very good fluidization quality. The device is characterized by being capable of working continuously with high reliability and has the wide applicationrange of the ultrafine material; the device is simple for manufacturing and has wide industrial use.

Description

technical field [0001] The patent of the present invention relates to the field of powder engineering, in particular to a device for improving the fluidization quality of ultrafine powder, which can be used for fluidizing various ultrafine powders. technical background [0002] As we all know, the size of ultrafine powder is generally between molecules, atoms and bulk materials, and usually refers to tiny solid powders in the range of 10nm to 100μm, including metal, non-metal, organic, inorganic and biological powder materials. . As the material becomes ultra-fine, its surface electronic structure and crystal structure change, resulting in surface effects, small size effects, quantum effects and macroscopic quantum tunneling effects that bulk materials do not have, thus making the fluidization of ultrafine particles The characteristics are very different from ordinary powders. As the size of the powder decreases, the specific surface area increases significantly, and the n...

AI Technical Summary

Problems solved by technology

For example, the vibration of a vibrating fluidized bed requires a high-power vibration motor. With the increase of the vibration mass, the power of the corresponding motor increases, which consumes a lot of energy.

Moreover, during the vibration process, the dynamic stress on the vibrating parts increases, so the requirements for the strength of the machine body are very high. If some corresponding measures are not taken, some parts of the machine (such as tanks, side plates, sieve plates, etc.) fragile

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