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  1. hadams417

    HP to Lb/hr Conversion for Boiler

    It has been explained to me that to determine the steam mass flowrate (lb/hr) of a boiler you simply multiply the boiler HP by 34.5. However, no one has been able to provide me with the rational behind this conversion. Can anyone shed any light on this matter?
  2. hadams417

    Flash Vessel Sizing

    To all - I want to thank you both, as well as Milton Beychok, for your timely responses to my inquiry. Mr. Beychok contacted me was more than happy to answer my questions and set me on the right track. Im not able to relate, however, to your most recent discoveries correlating grandchildren...
  3. hadams417

    Flash Vessel Sizing

    Im a mechanical guy, but alot of the threads I've found on similar topics were dominated by you chemical guys, so I though I'd post this here hoping some of you may be able to help. Please advise me on how to properly size a flash vessel. Here is my application: Condensate inlet flowrate =...
  4. hadams417

    Flash Vessel Sizing

    Please advise me on how to properly size a flash vessel. Here is my application: Condensate inlet flowrate = 51, 348 lb/hr Inlet pressure = 600 psig Internal tank pressure = 160 psig Which corresponds to 15.1% flash steam. Given this amount of flash steam for the given condensate flow, this...
  5. hadams417

    Flash Tank Sizing Standard

    rmw - Your internet link was quite helpful. The National Board of Boiler and Pressure Vessel inspectors provides a document called "A Guide for Blowoff Vessels" where they identify a good target velocity for the steam vapor of 11 ft/sec to allow for proper seperation...
  6. hadams417

    Noise Reduction Calculation

    I have done some rather extensive work regarding IEC 60534-8-3, Control Valve Aerodynamic Noise Prediction Method. Now that I am able to predict rather accurate noise levels I need to take it a step further. I need to make educated predictions as to noise reduction solutions. I am aware...
  7. hadams417

    Flash Tank Sizing Standard

    Does anyone know any information pertaining to sizing Flash Tanks for steam systems. I am wondering if there is a standard that I must adhear to or if sizing a Flash Tank is simply left up to what the distributer's specs call for. Thanks for any help.
  8. hadams417

    Neccessity of Silencer for PSV on Boiler SteamDrum

    OSHA standards call for specific noise levels, most of which are below 90 dB(A) for an 8 hour work day. However, it doesnt seem as though this would be applicable to your situation with PSV. You may want to investigate IEC 60534-8-3. This is a standard for predicting Aerodynamic noise...
  9. hadams417

    Flash Tank Sizing Method

    Hello everybody- I am wondering if anyone knows any information pertaining to Flash Vessel sizing. I am currently sorting through roughly 3 different approaches to sizing flash vessels, and I was hoping to get some information as to the methodology/reasoning behind some of the different...

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