Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. sewerguy

    Explosion Proof Design

    I recently had to put conveyor system in Class I Div II area, what we did was go with a gas tight conveying system which had a very low n2 pressure/purge applied thus removing one of the three components required for fire/explosion. I also used to deal with a similar issue all the time with...
  2. sewerguy

    Stainless Steel Bucket Conveyor (or tube chain)

    Molto grazie. SG
  3. sewerguy

    Stainless Steel Bucket Conveyor (or tube chain)

    One local vendor proposed a vertical screw conveyor, which may be appropriate if you have a well known and well behaved solid (like coal ash), but as a first of a kkind design our materials may come out with irregular sizing or possibly a bit wet/sticky. Am looking to be pretty conservative for...
  4. sewerguy

    Engineering Cost Compared to Total Cost

    Hi, Ilve been doing chemical plant projects from conceptual design, through detail engineering and contruction for the last 15+ years. When we prepare the +/- ~20% cost estimate (based on pfd/pid/no takeoffs) we allow 15% of total installed cost for home office engineering, and 5% for field...
  5. sewerguy

    variable speed pumps

    I am looking to use VFDs for two new blowers (maybe 8 to 10" water delta p max) downstream of a large evaporator, filter system, and condenser, discharging into a vent gas scrubber header. Inerts flow comes from dust collector cleaning with n2 and leakage on gasketing of evaporator (under...
  6. sewerguy

    Stainless Steel Bucket Conveyor (or tube chain)

    Hi, I am looking for vendors for a bucket elevator or tube chain conveyor of 316LSS construction (possibly 304SS), rising maybe 40 feet vertically within a plant. Material is somewhat like coal ash. Other mitigating factor is it will be in Italy although US companies would be considered...
  7. sewerguy

    Odour Control with Activated Carbon

    I have designed systems to do this, but not run them for extended periods. I would suggest working the problem through the major carbon drum/bed supplies such as calgon, who will give you adsorption isotherms and make some suggestions. How frequently are you breaking through? have you tried to...
  8. sewerguy

    scrubber tower sizing

    Packing vendors give away the correlations you are looking for, Koch and Glitsch had good old manuals as well as a recent favorite - Jaeger. Ask these sizing techniques will give you a good ballpark diameter based on gas and liquid flows. A little leg work will get you in the right ball park...
  9. sewerguy

    Breather Valve

    If you put something in that can plug as part of the primary breathing device, I would commonly put in independant over/under pressure protection. I have never heard of inert gas blanketing being required for sulfuric or demin water storage.
  10. sewerguy

    Tank coating alternative to Siloxirane 2032, hot low pH application

    Is anyone aware of a good alternative to Siloxirane 2032 that would be readily available in Europe (Italy/Germany)? Application is atmospheric pressure, boiling (~95 to 100C) 5% sulfuric acid with other organic acids present as well (pH 1-ish). Tanks to be coated are 316LSS. Issue in search...

Part and Inventory Search

Back
Top