04 Flow Control | Buoyancy | Valve

Please download to get full document.

View again

of 38
2 views
PDF
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Document Description
Monroe L. Weber-Shirk School of Civil and Environmental Engineering Flow Control Flow Control Creativity without a trip Variations on a drip Giving head loss the slip Overview  Why is constant flow desirable?  If you had electricity  Hypochlorinators in Honduras – Hole in a Bucket  Constant head devices  Overflow tanks  Marriot bottle  Floats  Float valve  Orifices and surface tension  Flow Measurement Applications of Constant Flow Applications of Constant Flow  POU tre
Document Share
Document Tags
Document Transcript
    Monroe L. Weber-Shirk  S chool of  Civil  and  Environmental Engineering Flow ControlFlow Control Creativity without a tripVariations on a dripGiving head loss the slip    Overview  Why is constant flow desirable?  If you had electricity  Hypochlorinators in Honduras – Hole in a Bucket  Constant head devices  Overflow tanks  Marriot bottle  Floats  Float valve  Orifices and surface tension  Flow Measurement    Applications of Constant FlowApplications of Constant Flow  POU treatment devices (Point of Use)  UV disinfection  clay pot filters  SSF (slow sand filters)  arsenic removal devices  Reagent addition for community treatment processes  Alum for ____________   Calcium or sodium hypochlorite for ____________   Sodium carbonate for _____________   Could you make a flow control device thatincreased the dose in proportion to the main flow?coagulationdisinfection pH control    Why is constant flow desirable for POU treatment devices?Why is constant flow desirable for POU treatment devices?  Slow constant treatment can use a smaller reactor than intermittent treatment  It isn’t reasonable to expect to treat ondemand in a household  Flow variations are huge (max/average=_____)  System would be idle most of the time  Use a mini clearwell so that a ready supplyof treated water is always available 40
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks