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Picture of a submersible gear-driven mixer with stainless steel propeller. The mixer is being installed in an anoxic sludge tank at a sewage treatment plant.

A submersible mixer is a mechanical device that is used to mix sludge tanks and other liquid volumes. Submersible mixers are often used in sewage treatment plants to keep solids in suspension in the various process tanks and/or sludge holding tanks. [1]

Working principle

The submersible mixer is operated by an electric motor, which is coupled to the mixer's propeller, either direct-coupled or via a planetary gear-reducer. The propeller rotates and creates liquid flow in the tank, which in turn keeps the solids in suspension. The submersible mixer is typically installed on a guide rail system, which enables the mixer to be retrieved for periodic inspection and preventive maintenance.[2]

Applications

Examples of applications where submersible mixers are commonly applied:[3]

References

  1. ^ Wastewater Engineering: Treatment and Resource Recovery. Tchobanoglous, George; Stensel, H. David; Tsuchihashi, Ryujiro; Burton, Franklin L.; Abu-Orf, Mohammad; Bowden, Gregory (Fifth ed.). New York: McGraw-Hill. 2014. ISBN 978-0073401188. OCLC 858915999.((cite book)): CS1 maint: others (link)
  2. ^ "Operating principle - B-MX Submersible Mixer | Boerger America". www.boerger.com. Retrieved 2022-07-13.
  3. ^ "submersible mixer pump: Topics by Science.gov". www.science.gov. Retrieved 2022-07-13.
  4. ^ "What Is a Submersible Mixer? (with picture)". About Mechanics. Retrieved 2022-07-13.
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