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#218420 - 04/19/17 12:43 PM Electrode boilers question  
annemarie1  Offline
Member
Joined: Mar 2015
Posts: 62
england
In another thread there was some discussion about Electrode boilers brought about by a vintage advert for an individual tap water heater that works on that principle now I can see how they work with tap water cos its conductive( to a degree) however I remember one in my old job that heated deionised water which doesn't conduct so I want to know how do they work?? Anyone know?


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#218430 - 04/21/17 07:32 AM Re: Electrode boilers question [Re: annemarie1]  
SteveFehr  Offline
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Joined: Mar 2005
Posts: 1,213
Chesapeake, VA
Everything is a conductor if the voltage is high enough. laugh

But I'm puzzled as to why an electrode boiler would be used with DI water, as it would not only be terribly inefficient (less ions mean less current and slower heating), but would also contaminate the DI water with ions sputtered from the hot electrodes. Was it an electrode boiler or an electrodeionization machine which doesn't boil the water, but instead uses electrodes separated from the DI stream by special membranes to create an electrical charge field to draw ions through those special membranes?


#218440 - 04/27/17 12:40 PM Re: Electrode boilers question [Re: SteveFehr]  
annemarie1  Offline
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Joined: Mar 2015
Posts: 62
england
It was an electrode boiler used to make very hot water for an anodizing plant I wonder if the boiler heated normal water which then transfers its heat to the deionized water what you think? The machine I'm concerned with works on 440volts 3 phase



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