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Assembled oil and gas skids

Typically skids are used for heavy fuel oil or diesel oil and fuel gas feeding line to burners. Each skid is normally designed according to the relevant codes and standards for each equipment ie. ASME, PED, API, TEMA, ATEX and so on.Fuel oil heating and pumping unit are necessary where fuel oil combustion is required. In such combustion system, fuel oil must reach the burners with a correct temperature (to reduce viscosity) and correct pressure ( to guarantee a stable atomization). This is what fuel oil skids are made for. Depending on combustion system power and relative design criteria (pressure limits, over design, available stream, redundant logics).

Main items that take place on fuel oil skid can be inlet and outlet strainers, pumps with electric coupled motors, heat feeding by medium or low pressure steam fuel oil control and re circulation valve, steam control valve (if any) valves and instrumentation train for local or remote control and management, junction box cabled and wired, compressed instrument air distribution for pneumatic valves. Moreover is important to maintain in temperature the fuel oil line, in particular when the unit is not in operating, to avoid occlusions by cold oil and to guarantee the prompt availability when necessary; this could be made by electric tracing or steam tracing ( with low pressure steam ) around the piping and components.

Diesel oil skid can also be designed on the basis of same standard codes and design criteria. Such systems are simpler than previous because diesel oil is easy to treat; in fact the heating line is not necessary (electric or made by steam) as well as tracing and therefore the equipment installed are less than the other, if compared to the same power required.

A client friendly engineering firm could provide supply of local and general fuel gas skids for any type of gas (natural gas, hydrogen, coke oven gas, nitrogen, oxygen and so on). The skid is supplied mechanically, electrically and pneumatically assembled.

Feeding unit to burners are typically complete with relevant instrumentation, manual and pneumatic valves, flow metre and control valves which regulates fuel flow rate basing on thermal power required from combustion process both for oil and gas.

Universal Engineering’s professional design engineering services wing offers design and detail engineering services provide canvas for design consulting, 3D detailed design, ASME joint review, piping engineering services, Stress analysis of piping, structural design, pipe supporting structure analysis, code calculations, FEA, and spotless service on design management.

The content of this article is taken from web open source. The blogs are intended only to give technical knowledge to young engineers. Any engineering calculators, technical equations and write ups are only for reference and educational purpose.

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