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  1. mufasa1

    Welding API 5L X70 Pipe to St-52 (S355JR) Pipe

    The penstock pipe for the hydroelectric power plant is 2400mm in diameter and the thicness varies from 12mm to 30mm, total head ise 288mt. The pipe material was selected as St-52 (S355JR). As we had hard time to find the 26 and 30mm thickness pipe in the local market. We decide to switch to API...
  2. mufasa1

    CO2 Reinjection for PH Modification

    Gentlemen, At our small geothermal power plant we have been trying to mitigate the metal silicate scaling occurring at the brine pipelines from the Wellhead Separator to the ORC Binary Power Plant. According to the initial calculations 6,6% of the NCG gas thrown from the top of the PP (96% of...
  3. mufasa1

    316 SS or Black Schedule 40

    For instrumentation tubings and tubing connections I would recommend stainless steel material for better sealing at the threads within time.
  4. mufasa1

    Flow in a branch line

    Gentlemen, Thank you for the feedback, The 20" main line carries hot geothermal brine into an ORC Heat Exchanger. The tubings inside the Heat Exchanger are 1". Purpose of this 1" branch line is to simulate the scaling effect inside the tubings of the heat exchanger on a branch line tied to the...
  5. mufasa1

    Flow in a branch line

    Gentlemen, There is a 20" main pipe. The fluid velocity in the pipe is 1 mt/sec. Assume that we take a perpendicular 1" branch line from the main pipe, and then tie it back to the main line a few meters ahead. The material will be the same. Please see the attached link for simple scheme...
  6. mufasa1

    Coil Tube Material for geothermal well. Dublex or Incoloy?

    Gentlemen, Thank you very much for your comments. Dear Ed, The downhole temperature is 150 Cdeg. Do you recommend the thinnest wall tubing for economic reasons? Regards,
  7. mufasa1

    Coil Tube Material for geothermal well. Dublex or Incoloy?

    Gentlemen, We are drilling geothermal wells on a reservoir where the geothermal fluid is saline, has similar Na and Cl concentrations as seawater. Here, I am trying to select the proper material for coil capillary tubes which we use to inject anti scaling chemicals downhole. I have received...
  8. mufasa1

    Separator & Accumulator

    Hi Kevin, Thank you very much one more time one more time. This is going to feed a binary plant, it needs to be large but how large is the question. Is there a general rule for this? Mufasa
  9. mufasa1

    Material Selection for Geothermal Brine

    Gentlemen, Thank you very much for your valuable input. This is for a new jeotermal power plant project in west coast of Turkiye. There are other JES Power plants in the country but they do not have such corrosive brine. They use carbon steel pipes with inhibitor system at the well. Thanks again,
  10. mufasa1

    Material Selection for Geothermal Brine

    Dear All, What kind of material would you suggest for a geothermal brine which has TDS (57000) and Cl (44140) concentrations? Ph of the brine is 7.5. On the other hand it is also rich in Ca, K and Mg. Well temperature is 174 Cdeg. Surface temperature is around 150 Cdeg. I have reviewed some...
  11. mufasa1

    Separator & Accumulator

    Gentlemen, I already posted this thread at the Boiler and Pressure Vessels forum. I just saw that there is also a geothermal forum. For that reason excuse me for posting it twice. I am working as a project engineer at a Geothermal Power Plant Project. On the geothermal wellhead there will be a...
  12. mufasa1

    Aluminum Geodesic Dome Panel Attachment

    Gentlemen, API650 Appendix G - G.3.2 Aluminum Panels says as follows: "Attachment fasteners shall not penetrate both the panel and the flange of the structural member." Manufacturers are using either lapped joint or battened joint panel attachment system. At battened joint there is no...
  13. mufasa1

    Automatic Blowdown Control System for High Pressure Boiler

    Gentlemen, Our boiler specification is as follows: 350 ton/hour, 134 kg/cm2, 540 Cdeg, Single Drum, Natural Circulation, Top Supported, Oil Firing, C.E. Box Type We control our blowdown manually based on our daily lab results of the dissolved solids in boiler water. According to specification...
  14. mufasa1

    ALTERATION OF BLOWDOWN TANK

    Appreciate your feedback, I will let you know about the outcome..Thanks for the steam forum tip too..
  15. mufasa1

    ALTERATION OF BLOWDOWN TANK

    Gentlemen, I came across this thread, while I was doing a research on a similar case. In our boiler plant we would like to recover the HHS (High High Steam)condensate that is thrown out of the 3 steam traps located on HHS line at Steam Generating Plant area. HHS Steam Pressure is 84 kg/cm2 and...
  16. mufasa1

    Different sizes on a single pipeline

    Dear All, At the moment I am working on a project which is about modernisation of an existing 2100 mt cement pipeline that feeds the water treatment plant of our petrochemical complex with fresh water. We are going to replace the existing line with 1400 mm (t=12 mm) diameter steel pipe. In our...
  17. mufasa1

    Flow induced errosion at Tee Branch Connection

    Gentlemen, Sorry for the late response. Thanks all for the comments, Here are the necessary data: Fluid= Boiler Feed Water Q= 350 ton/hr (Pump discharge capacity) T= 158.4 DegC Discharge Pressure: 160 kg/cm2 Pipe Size= 10" And the Tee is a 10"x6" Red. Tee, with this tee a 6" line is branched...
  18. mufasa1

    Flow induced errosion at Tee Branch Connection

    There is an Equal Tee Configuration right on the discharge line of a Boiler Feed Water Pump. The Tee branch is very close to the pump discharge, less than half a meter. The piping and fitting material is Carbon Steel. Although it is Sch 160 material, there is severe abrasion. I plan to replace...
  19. mufasa1

    Continuous Blow Water Pipe Break at joints while passing through MW ta

    guys, thanks alot for your help. The flow rate is at max. 40 tons/hour.
  20. mufasa1

    Continuous Blow Water Pipe Break at joints while passing through MW ta

    Thanks alot for the comments The piping is laid out at the bottom of the tank like heating coil with several 180 returns. The pipe material is A312 TP304, Sch10S Elbow material is A403 WP304, Sch10S Is it possible that the vibration and breaks might be due to water hammer? Does increasing the...

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