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Recent content by deft clay

  1. deft clay

    Wash water for CDU OVHD AFC

    What is the metallurgy? What type of corrosion are you seeing? Is it a cracking, pitting, general loss of thickness? You mentioned droplet size, so is there a concern about erosion? My experience thus far with overhead corrosion relates to salts being carried out overhead, then condensing at...
  2. deft clay

    Fuel Gas Coalescer Filters

    A few questions: Can we see a more zoomed up version of the pressure graph? Like, showing say 60 minutes? What is the frequency of the recordings? Have you carefully reviewed startup procedures for this piece of equipment? I agree with innovativepumps below. I ask these questions because I...
  3. deft clay

    US REFINERIES CANNOT PROCESS LITE OIL

    Yeah to be fair these are mostly specialty units -- hydrotreaters, splitters, etc.
  4. deft clay

    US REFINERIES CANNOT PROCESS LITE OIL

    Man not to be argumentative but are you sure about that? I've worked with a lot of smaller refineries who print an eye-watering amount of money. So much so that when they hit their quota they sometimes will just shut down. These are 2,000-10,000 bpd units.
  5. deft clay

    PSV calculation for exchanger cold side blocked in

    Is the shell-side blocked in? If not, you have to assume that the tube-side will reach the SS inlet temperature, as it has no way to remove heat.
  6. deft clay

    Tubeside Gas Velocity Range on Heat Exchanger

    We can't switch sides because of the corrosive nature of the tubeside fluid? I usually try to put condensing services on the shell side. Just recently we had to replace a client's condenser, and it was tube erosion. 90 fps was the best case, with all the fouling and plugs it was probably a lot...
  7. deft clay

    ELECTRICAL HEATER TECHNICAL SPEC

    You need an RFQ package. The package should include data sheets for the heater, the vessel, and the S&T. It should include a spec for piping and valves. It should include a spec for anything else you care about, such as the control system, paint, lifting eyes, etc. Personally, I'd produce 4...
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