The segment from WaterOnline Radio features interviews with John Franz, wastewater treatment plant manager for the City of Anacortes, WA, as well as Kevin Grant, a regional sales manager for Aerzen USA.
Aerzen USA insights and guidance for blower, compressor and vacuum pump applications
A biological municipal wastewater treatment plant with a considerably fluctuating discharge quantity can only perform its function with utmost energy efficiency and reliability if the process air consumption of the aeration basin can be adjusted continuously and is fully automated in order to deal with widely fluctuating load quantities. The example of the wastewater treatment plant shows how this is achieved with the use of a speed controlled Aerzen turbo blower.
Three main blower technologies are condsidered for waste water treatment applications:
Turbo Blowers. Positive Displacement Blowers. Hybrid Rotary Lobe Blowers. Which one should you choose for your wastewater treatement application? How much energy can you really save? Who can you trust to give you an objective answer? The best place to start is by downloading the Engineer's Mini-Guide To Blower Technology Selection.
The majority of all operating manuals provide the equipment user with a time based plan when to change the machine’s oil. This interval is typically designed to protect the oil and subsequently the machine from breaking down prematurely in most if not all operating conditions. So far so good. This comes with a price tag as the machine needs to be properly shut down and locked / tagged out. Besides of the obvious cost for the lubricant you also incur labor and potential production down time cost. For most of the smaller machines requiring less than a gallon of oil for each change it may not make sense to go with a condition based lubricant change. Experts fix what needs fixing and this applies here also. For larger quantities it may make much more sense to go with an oil condition based oil change schedule.
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