Design of stirred mixers for powder-liquid reaction processes
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In our synthesis reaction, one of the raw materials is a metal powder with a high specific gravity, while the other is a liquid; it is a typical solid-liquid reaction. Currently, there is a problem with the stirring design of the reactor – a thick layer of metal powder always accumulates at the bottom of the reactor after each reaction. We would like to redesign the reactor, with a capacity of 2 tons. Could you advise on how to design the stirring system to avoid this issue? The reaction temperature is below 180 degrees, and a vacuum environment needs to be maintained. Thank you. It would be better if there are manufacturers that produce similar reaction kettles; thank you.
It depends on how the stirrer is installed in your reactor; generally, for mixing purposes, a fast-stirring type with a guide cylinder is used
If you need consultation, you can send me an email at 13093022738@163.com
For the selection of stirrers, there are those with bottom scrapers. Stirring at two levels creates convection, so it won’t sink to the bottom
An additional nitrogen pipeline can be added at the bottom discharge port, allowing nitrogen bubbles to be introduced at any time; even a small amount of nitrogen will not affect the vacuum level
Spiral-type propeller impellers are used; multiple layers of such impellers are arranged according to the height of the reaction tank, and they are connected to the guide cylinder, which yields very good results
Thank you all for your replies. Are there any manufacturers in Guangdong Province that have produced similar reaction kettles? Please contact me; it can be elsewhere as well.
This post was last edited by goldliyang on 2016-11-30 09:49. We specialize in the design and production of reaction vessels; if you have a similar vessel, please contact us via private message
Have you seen the design plan sent to you?
I took a look; I’m just worried that the bottom scraping design will wear out quickly. Additionally, we were also torn between using stainless steel or enamel, especially in a weakly acidic environment