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  • Users: chief
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  1. chief

    Generator Vibration

    We have a 1MW DIESEL GENERATOR running at 900 rpm and delivering at 11KV. We are experiencing heavy vibration at the generator end. All the usual suspects have been eliminated, vibration dampers , alignment engine /generator, anti -vibration mounts,engine fuel injection timing. Support...
  2. chief

    Mud shale shaker HVAC primary filter/scrubber

    I have a fume extraction system on the canopy of a Drilling mud shale shaker. The fan extraction velocity is too high. This results in mud droplets being carried over into the air handling unit and choking the outlet filter. I cannot adjust the air velocity,because there are 3 other systems...
  3. chief

    GAS TURBINES & WINTER DIESEL

    We are operating some RB211 T/G'S in a climate where the temperature gets down to -40 C wind chill. We have been informed that winter diesel can not be used in these turbines . Can anyone give me info on the whys and wherefores. Is there a constituent in the winter diesel that is detrimental to...
  4. chief

    Eductor flow back pressure

    I have a slurry mixing package which has been installed such that the EDUCTOR discharge has to overcome a back pressure head of 25 ft before entering the tank destination. The EDUCTOR has a 2" nozzle and the supply is from a 6" feed line with a flow rate from a pump of 1000gpm, capability of...
  5. chief

    Overload pump motor

    The pump is driven by a 75 kw motor at 1475 rpm, the impeller dia is 17-1/2". the suction manifold is 8' and the discharge manifold is 6". We are circulating a tank with a SUCTION head of 16 ft of sea water and the pump pulls FLA 133 Amps with the discharge butterfly valve 40% open and the...
  6. chief

    Mission Magnum XP- 8x6x18 Centrifugal pump

    I have been commissioning a series of these pumps and have had overload problems with the drive motors on each, pumping test seawater. The pump curves supplied and the data sheets all check out ON PAPER. I suspect the data supplied by the contractor may be at fault. I have attempted to source...
  7. chief

    Regenerative braking

    i am in the process of specifying equipment for a drilling rig on an artificial island. Because of tidal conditions the only available cooling source will be air cooled radiators. To limit the number of radiators and reduce the consequent noise emissions i wish to regenerate the braking power...
  8. chief

    regenerative braking

    any information on regenerative breaking appreciated

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