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  1. dh328

    Procrastination and Internet-addicted

    Hi all, I have a big problem in my life, that is procrastination. I spend too much time Internet surfing specially at work. Most of my working hours are spent surfing webcam sites. I decided too many times to relieve myself from this bad habit but no success. I always say I will start from...
  2. dh328

    Alarm setting for Tube Wall Temperature in a Fired Heater

    Dendrobium 1975, It depends on the function of the heater. is it a cracking/reaction furnace? or a simple heater for warm up? I think you should set the TWT for the lowest one between design temperature and creep temperature (if you have free carbon in the coils).
  3. dh328

    API MPMS tables

    I am involved in calculation of NGL quantity we import to storage tanks on daily basis. For this calculation, a turbine type flow meter/ counter is used. we do temperature and pressure correction (calculate CTL and CPL) by using API MPMS standard section 11.1. But I am in doubt which tables...
  4. dh328

    Steam Turbine Efficiency

    The index of valve shows that it is open but we are not sure. How to verify? If the screen is covered with debris how to clean it without stopping the turbine?
  5. dh328

    Steam Turbine Efficiency

    thanks to all. I copied this post to "engine& turbine engineering forum". Please reply there. JJPelin & Dcasto we are sure that all manual valves are open. the governor valve is open and working correctly. throttle valve is located before governor valve. as i said before, the problem is high...
  6. dh328

    Steam Turbine Efficiency

    Hi, Recently we have faced a problem in operation of our ethylene refrigerant compressor. Although the compressor is working below full capacity, turbine governor valve is fully opened but steam flow is 18 ton/hr compared to full load steam consumption of 30 ton/hr. we have washed the blades and...
  7. dh328

    Steam Turbine Efficiency

    Hi, Recently we have faced a problem in operation of our ethylene refrigerant compressor. Although the compressor is working below full capacity, turbine governor valve is fully opened but steam flow is 18 ton/hr compared to full load steam consumption of 30 ton/hr. we have washed the blades and...
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