Slurry pump wear analysis
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I would appreciate it if experts could analyze the causes of localized wear in the slurry pump, as well as possible solutions. The pump is used for processing aluminum concentrate; it has been in use for 3 months, operates at a pH of 8, and has suffered from severe localized wear
What is the Cr content? You’re also in the pump industry, right?
It would be better if the content reaches 27.
There are some issues with the casting material; should we consider impellers made of other materials? Corrosion needs to be taken into account.
This post was last edited by lupg on 2019-10-10 at 20:51. 1. Choose a low rotational speed. 2. Based on the hardness of the abrasive, decide between using a material that can counteract hard materials or one that can counteract soft materials. 2.1. Countering hard materials: The hardness of the pump’s flow channel material should be higher than that of the abrasive. 2.2. Countering soft materials: Use a viscous material to resist the abrasive; for example, in catalytic cracking units in the oil refining industry, where slurry pumps transport catalyst particles, metals with high viscosity are used for the flow channels, thereby extending their service life
This feeling doesn’t seem like corrosion, does it?
The submersible dust removal pump we use is made of Cr30A