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  1. #1
    Join Date
    Jun 2010
    Location
    saudi arab
    Age
    41
    Posts
    82
    Rep Power
    14

    Ammonia leakage incident



    Dear all,
    Let me share with you a incident happens with me during running position Sab163HF. It was controlling brine temperature 4'c which was not being handled by SMC 116L so turn it on after a minute suddenly start leakge near oil feeding line to oil filter compressing housing(after that I found that three Elen key bolts has been broken and one remain good there) pressed emergency switch ammonia mask was 3 meters away from me wear mask closed suction valve first(not discharge valve) I bring a half inch flexible line which is always connected to -45'c system for depressurize the any wanted compressor.
    Connect to 163HF start depressurize system. Bad thing was when oil mixed with ammonia leaking a air duct supporting it more spray on me and compressor room
    Attached video and photoIMG_20170821_113352.jpg



  2. #2
    Join Date
    Jun 2010
    Location
    saudi arab
    Age
    41
    Posts
    82
    Rep Power
    14

    Re: Ammonia leakage incident

    I don't known how to upload video.
    But broken bolts seems that damaged long ago have black spots.
    And freshly broken shine area

  3. #3
    Join Date
    Sep 2007
    Location
    Somerset
    Age
    69
    Posts
    4,758
    Rep Power
    46

    Re: Ammonia leakage incident

    Hi Shaf.
    I have had it where 1 of the socket head bolts sheared through a stress fracture similar to what you show.
    This was also on a 163 rotatune!

    Only we found the one bolt fractured and replace all 4.
    SAM_0525.jpg


    Then we did a controlled manual loading of the compressor and skip stepped and loading stages that produced a resonance within the pipework.
    This is normally done on Commissioning.
    But problematic resonances can occur due to poor gas flows.
    So it is worth checking the loading manually from time to time.
    Good luck Grizzly
    Despite the High Cost of Living it still remains Popular!

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