A kind of Chinese herbal medicine raw material powder preparation equipment

Abstract

A Chinese herbal medicinal raw material powder preparation apparatus is characterized in that a first-stage grinding hammer, a second-stage grinding hammer, a third-stage grinding hammer and a gas conveying device are sequentially arranged in a shell, the first-stage grinding hammer comprises a first hammer body and a rectangular hammerhead, an inclination angle between the rectangular hammerhead and the first hammer body is 20-45DEG, a grinding table is arranged corresponding to the first-stage grinding hammer in the shell, a separation plate is arranged between the third-stage grinding hammer and the gas conveying device, a return grinding groove is arranged between the separation plate and the third-stage grinding hammer, the shell is provided with a powder sorting chamber, a coarse powder return tube is arranged between the powder sorting chamber and the second grinding hammer, the powder sorting chamber is connected with a powder collecting chamber, and the powder collecting chamber is connected with the first-stage grinding hammer through a wind channel. The Chinese herbal medicinal raw material powder preparation apparatus can avoid generation of high temperature in the repeated grinding process, and does not generate dust or exhaust gas pollution.

Description

technical field [0001] The invention relates to a device for preparing raw material powder of Chinese herbal medicine. Background technique [0002] In the process of preparing Chinese patent medicines, the smaller the powder particles of Chinese herbal medicine raw materials after being pulverized, the easier it is for the active ingredients of Chinese herbal medicine raw materials to be further extracted and utilized. [0003] The existing preparation method of Chinese herbal medicine powder is generally to pulverize with a pulverizer first, and then sieve with a sieving machine, which requires the use of two different equipment, so the production efficiency is not high. [0004] Chinese patent CN100542676C provides an axial-flow hammer mill, in which the outer periphery of the rotor in the grinding chamber is provided with screens half-surrounding the rotor from the bottom and both sides, therefore, it can simultaneously realize screening during the grinding process, How...

AI Technical Summary

Problems solved by technology

[0003] The existing method of preparing Chinese herbal medicine powder is generally to crush with a pulverizer first, and then sieve with a sieving machine, which requires the use of two different equipment, so the production efficiency is not high

[0004] Chinese patent CN100542676C provides an axial flow hammer mill, in which the outer periphery of the rotor in the crushing chamber is provided with screens half-surrounding the rotor from the bottom and both sides, therefore, it can simultaneously realize screening during the crushing process, However, when the powder particles that need to be prepared are relatively small, for example, when powder particles of more than 200 meshes are required to be prepared, this structure is difficult to control the dust of the sieved powder particles, that is, it is easy to cause waste of powder dust. In addition, this technical solution also Not convenient for continuous production

[0005] When preparing high-mesh powder particles, such as powder particles above 200 mesh, it is necessary to solve the problem that the high temperature generated by long-term grinding may damage the raw materials of Chinese herbal medicines, and the problem of how to collect the prepared fine powder

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