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Wet condenser

Sunday, June 04, 2017   By: John [1794] 2 Stars
Could someone explain a wet condenser.i never heard this term before.We have a surface condenser at a large coal fired plant.I have also seen air cooled condensers but the wet condenser is new to me.than you.

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Sunday, June 04, 2017   By: cmolanes@itba.edu.ar [50] 4 Stars
Mr. John:

I confess I have not, either. I can imagine it might be termed thus a piece of equipment in which steam jets condense whilst mixing with water as in deaerators, but then this would be a rather small heat exchanger, at least, small steam mass flow being required. Another idea the name suggests to me is a classical surface condenser working in abnormal conditions, with the condensate well being overflooded, but both are pure imagination. Hope someone will be able to explain better.

Claudio Molanes

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Monday, June 05, 2017   By: Ross Burns [390] 5 Stars
I have not heard the phrase wet condenser either, but suspect you maybe referring to a Jet Condenser were the steam condensate that is condensing from the steam turbine hood is in direct contact with the condenser cooling water. So it is an open heat exchanger.

The Jet Condenser does not pull a strong or deep vacuum like a surface condenser and a Jet Condenser does not recover condensate like a surface condenser and are coupled to a set of cooling towers.

Also, Barometric Condensers are Jet Condensers. The difference between a straight forward Jet Condenser is it is under the steam turbine exhaust hood and a Barometric Condenser is located above the turbine hall floor and outside.


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Monday, June 05, 2017   By: Jim Watts [764] 5 Stars
This term is mainly used in design. The cooling of condensers is Once through as in sea water or river etc, Or recirculating by Cooling tower or Air Cooled exchanger. The recirculating is therefore either wet or dry.

The turbine condenser does not see any difference other than temperatures

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Monday, June 05, 2017   By: Ross [390] 5 Stars
How obvious. Dry is air and Wet is water. Ugh!

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Tuesday, June 06, 2017   By: Jim Watts [764] 5 Stars
It does sound obvious but some schemes are hybrid air cooling with a trim cooling from a Cooling tower and in the end you just want to know can it be used without a water makup. If its wet it cant.

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Tuesday, June 06, 2017   By: Ross [390] 5 Stars
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Published on steamforum.com


superheated steam ideal gas
By: cmolanes@itba.edu.ar [50]

Mr. Pradeep:

Steam behaves well as an ideal gas if not too close to the saturation line if you place yourself on a Mollier chart, when the temperature and enthalpy lines coincide and are straight, horizontal lines, then it behaves as ideal, and this you can easily see on the chart.

I would rely though most on the steam values given by the chart or steam tables, because they are confident independently of the region , e.g. they stand both for ideal and real gas, but the ideal gas equation ....   Read All
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