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Re: why is there a need to put condenser in steam power palnt
Re: why is there a need to put condenser in steam power palnt -- kesten3	Post Reply	Top of thread	Forum

Posted by: randykimball ® 10/17/2006, 18:39:19 Author Profile eMail author Edit

To regain the water that was consumed in the steam generating process. This water should be pure with few contaminates added. Simply by allowing the steam to loose pressure and BTU it can be returned back to the feed pumps to make more steam. This way you only need to replace the water lost through leaks and pressure relief. If you have water coming out of a turbine you have a problem. What you better have is wet steam. In fact you have already condensated a fair amount of the steam, a condensor simply completes the job. Plus, often the heat exchanging process of the condensor is used to heat hot water for restrooms or cooking, of even for heating living spaces. Aboard ships, this heat is often used to heat evaporaters that produce pure water from sea water. So, the condensor is a good source to capture the heat waste from a boiler for other uses. another example: In the case of eairly steam engines on the rails most of the water was simply allowed to escape back through the stack used as a jet to draw fresh air through the fire box. Later efforts were made to capture most of the water. This greatly added to the distances a train could be pulled between watering. Besides, tons of water in a tender simply added to the payload. With the water in a closed system more fuel could be hauled. They did this several ways, one was to turn a steam turbine (sort of a turbocharger)to blow a jet of air up the stack to draw fresh air across the fire box. This too allowed the introduction of injected boiler airboxes. This introduced superheated steam....by then "they really could haul the mail". Then came the internal cumbustion engine and the ability to produce large amounts of current to drive DC motors coupled to each of several driven axles. This was much more effecient, but mostly required much less maintenance. ...I'm sure more than you wanted to know.... but interesting, no? The worst suggestion of your lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them. Modified by randykimball at Tue, Oct 17, 2006, 18:52:28

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