What is the use of internal baffle for a nozzle?

[traineeprocessengg]

In my current project, there is a vessel which was receiving low pressure steam condensate and medium pressure steam condensate. In front of the nozzles for those, there was a flipped L shaped attachment. When I looked into the vessel datasheet it said that it was an internal baffle.

Is it there to somewhat reduce the effect of two phase flow which might occur if the steam (which is being sent to heat exchangers) doesn't condense fully? The vessel is small with a 1 m diameter and 3.5 m T/L to T/L length. I am assuming that it is protection against water hitting the vessel wall at high velocity if steam doesn't condense fully. Is that assumption correct?

Has anyone come across this?

 

[Compositepro]

It is to improve vapor/liquid separation and to prevent water droplets from impinging the tank wall opposite the nozzle and causing erosion. I assume those are two inlet nozzles, and that there are outlets for liquid and vapor at the bottom and top of the vessel that you do not show.

 

[Latexman]

Sometimes it's called a "bash plate".

Good luck,
Latexman

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

 

[EdStainless]

Always inspect the mounting of these plates. I have seen the welds cut and then the plate slam into things at high velocity.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube

 

[georgeverghese]

These divertor plates on the vessel exit are a bad idea. We've had an incident where this divertor plate got almost extruded into the exit nozzle when it got dislodged due to high velocity / corrosion. Relief valves and high pressure trip switches must be installed upstream of this exit nozzle divertor plate, if you must use this. Such divertor plates are not permitted in flare / vent KOD services.

 

[mk3223]

These baffles are to divert the flow as entering the vessel and to avoid the erosion on the wall opposite to the inlet nozzle. Similar baffle may be presented on the nozzles such as for the level or pressure instrumentations to provide a steady signals.