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  • Users: Pulpeng
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  1. Pulpeng

    Shutdown / Turnaround Planning

    We have a very condensed shutdown - something like 1600 work orders (with multiple tasks and resources) completed in 7 to 10 days. 24/7. Cost is about a million dollars a day to be down. 1st Question: Given all the time in the world to plan has anyone actually pulled off a nearly live...
  2. Pulpeng

    Carrot

    I like my workplace - I love the pay and benefits etc. I took (and still taking) the initiative to improve myself (on my own dime I might add) and it looked like it would pay off. I was promised a new position for months. All the while I was getting kudo's from my boss and the CEO etc about...
  3. Pulpeng

    Uphill Condensate Flow

    I have 3 condensate lines (400KPA) running through some control valves and then immediately going up into the top of the flash tank. (First off I didn't design it). That being said I have a lot of errosion issues presumably with flashing steam through the valves driving the condensate at high...
  4. Pulpeng

    Sludge Consistency Measurement

    Anyone use a good sludge consistency measurement device for feeding centrifuges? I'm looking at the LQ500 - anyone have experience?
  5. Pulpeng

    River Markers/ Buoys

    Anyone know the regulations (or where to find) in Alberta regarding river marking effluent diffusers? How about manufacturers of buoys?
  6. Pulpeng

    Flapper Valve/Weir

    Does anyone know who sells a flapper/weir gate that will act like a check valve but open in very low DP situations? I'm envisioning one like a pool skimmer flapper/weir but on an industrial scale and quality and instead of floating closed it would sink closed. (i.e bottom of the pool not the...
  7. Pulpeng

    Relief Valves on Deaerator

    We have a liquid service relief valve on the steam dome of our deaerator. I've been asked to determine whether a steam or liquid one should be used. Couple of interesting notes from various sources. Excerpts from OEM manual - 1) Relief valver UNO should be a sentinel type. 2) Steam...
  8. Pulpeng

    Quick release bolting

    I have a studded access door that requires unbolting for inspection. Besides replacing the door with something different (hinged etc) does anyone know if there's such a thing as a quick release nut that will use regular coarse thread.
  9. Pulpeng

    Return Activate Sludge Pumping

    We use three internal or closed screw pumps to lift our RAS from a sump up 25 ft at a rate of 8000 GPM. We are experiencing a lot of cracking on the head flights and after several weld repairs / sensitization etc we are in the position that we need to replace/ upgrade. What's everyone's...
  10. Pulpeng

    B31.3 Category

    I'm going over a design for effluent from our mill and trying to determine if Category D or M should apply. My thoughts are that although there is potential for biological (bacteria) harming a person coming into contact with it I wouldn't consider it damaging or irreversible. Temperature and...
  11. Pulpeng

    Methanol Injection Inline Gasheater

    We are trying to take out of service an inline gas heater to our plant for a really overdue inspection without shutting down the plant. We tried injecting methanol to prevent the freezing of control valves etc but to no avail. Does anyone have suggestions - maybe we didn't inject enough, what...

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