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[Steam Generation] Saturation temperature at supply pressure or else?

[Steam Generation] Saturation temperature at supply pressure or else?

(OP)
Hi,

I'm having difficulties solving for this case, let say I wanted to design a steam generator (not a boiler, you could say it's like a evaporator) and I wanted to generate steam in the unit therefore my saturation temperature would it depend on my water inlet pressure or else? My basic understanding would be saturation temperature depends on what pressure the medium is, therefore if I have a water coming in at 8 barA (7 barg inlet pressure) then my saturation temperature would be around 170 degC.

Kindly correct if my understanding is correct otherwise kindly share your wise experience with me.

Thanks in advance!

RE: [Steam Generation] Saturation temperature at supply pressure or else?

Correct.

RE: [Steam Generation] Saturation temperature at supply pressure or else?

It depends on the backpressure that is maintained on your evaporator. It's usually dependent on the control valve in the steam outlet of the evaporator and downstream equipment, pipe, fittings, etc.

Good luck,
Latexman

To a ChE, the glass is always full - 1/2 air and 1/2 water.

RE: [Steam Generation] Saturation temperature at supply pressure or else?

(OP)
Thank you gentlemen!

RE: [Steam Generation] Saturation temperature at supply pressure or else?

Water flows in only when it's pressure is more than steam pressure (at any given condition). So, it is not fully correct assuming steam temperature corresponds to water pressure. It is ok, to start with.

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