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  • Users: lomli
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  1. lomli

    FIXED OUTLET PRESSURE CONTROL VALVE

    HI WE ARE DESIGNING A GAS RECOVERY SYSTEM FROM A PROPANE REFRIGERATION LOOP. PROPANE VAPORS RECOVERED WILL BE REINJECTED IN A BOIL-OFF SYSTEM TO BE COMPRESSED AND LIQUEFIED AGAIN WITH VAPORS COMING FROM STORAGE TANKS. THE TIE-IN POINT IS LOCATED AT ABOUT 100 M FROM THE RECOVERY POINT IN THE...
  2. lomli

    CENTRIFUGAL , SCREW OR ....

    HI I AM A BEGINNER PROCESS ENGINEER, AND I HAVE TO DESIGN A SIMPLE SYSTEM TO POOR AND DRAIN OIL FROM THE HOT OIL LOOP. THIS SYSTEM WILL BE USED IN CASE OF SIMPLE SHUTDONWN OF THE UNIT FOR MAINTENANCE IN THIS CASE OIL WILL BE AT AMBIANT TEPERATURE. THE SYSTEM CAN BE USED ALSO IN EMERGENCY...
  3. lomli

    CONTROLE VALVE WITH FIXED OUTLET PRESSURE

    HI WE ARE DESIGNING A GAS RECOVERY SYSTEM FROM A PROPANE REFRIGERATION LOOP. PROPANE VAPORS RECOVERED WILL BE REINJECTED IN A BOIL-OFF SYSTEM TO BE COMPRESSED AND LIQUEFIED AGAIN WITH VAPORS COMING FROM STORAGE TANKS. THE TIE-IN POINT IS LOCATED AT ABOUT 100 M FROM THE RECOVERY POINT IN THE...
  4. lomli

    N2 production from air

    hi I need an approximate cost of an on site unit of liquid and gaseous N2 from air, flowrate of about 2000 - 1000 Nm3/h thanks
  5. lomli

    API 5L Gr B

    hi, I 'm a process engineer, i m not a specialiste in materials, my question is: for above ground installations ( filtraion lines 14", metering lines, headers...)for a natural gas pipeline what's the difference between the use of API 5L X70 and API 5L Gr B, which is the most useful and...
  6. lomli

    LPG STORAGE AND HANDLING FACILITES

    HI, my question is about LPG storage facilities(high capcity) what is the greatest capcity for lpg storage and handling facilities that can be constructed and what type of tanks is the most appropriate, if possible examles over the world I need informations about this topic please thank...
  7. lomli

    LPG STORAGE AND HANDLING FACILITES

    HI, my question is about LPG storage facilities(high capcity) what is the greatest capcity for lpg storage and handling facilities that can be constructed and what type of tanks is the most appropriate, if possible examles over the world thank you very much.
  8. lomli

    instrumentation software

    hi, we are a small company of engineering involved in hydrocarbons domaine, and we want to buy a software for instrumentation, other than inttols, is there any powerful software that help instrumentation engineers? thanks
  9. lomli

    reduction of diameter before preure control valve

    hi, we have to install a pressure control valve of 10" with its tow block valves and its bypass on a natural gas line of 16", the control valve will reduce preure from 55 bar to 43 bar, the flow rate i about 200 000 Nm3/hr. so how to determine the bypass diametter ? the block valves (to...
  10. lomli

    how to calculate the reliefing capacity

    hi, Please I have to design a pressure reliefing system for a natural gas metering station, and a segment pf pipeline, API standard(521,520)give a formula in which the reliefing capacity is given as a known data but I don't now how i can estimate this value (the quantity of NG to be vented in...
  11. lomli

    fi fan heat exchanger

    Hi, we have to replace an existing heat exchanger ( a condenser using cold water ) by an air cooler ( fin fan), the elevation is about 4000 mm and we look to lift it to about 12000 mm,is is it possible to determine how this will perform the process, otherwise , between 4 m elevation and 12 m...
  12. lomli

    velocity of sea water in pipes

    Hi, what value of velocity for sea water piping i should take for sizing a network to feed 8 heat exchangers all over a plant. literatures give diffenet values
  13. lomli

    heat transfert between pipes and ambiant air

    Hi, it is my first partcipation, i have to design a seaw water network used for cooling in several heat exchangers, the old network was underground, and we want to make it outside, but i need to calculate the water temperature change due to air temperature which can reach 47 °C, is the heat...

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