how to operate a solar water heating system?
how to operate a solar water heating system?
Sebring couple fuels their home on solar energy
Walking into the Million’s pleasant Sebring home all decorated for Christmas , you would never know that it’s almost entirely powered by the sun.
Here is an aid to the Global warming problem. should we try it?
Every one knows what a steam engine is and how it works. The very same engine can use ammonia as the evaporation medium. When you do this the engine can operate at much lower temperatures than steam. It could extract the heat on the surface of the oceans and dissipate the heat deeper in the ocean. The energy will replace some of the use of fossil fuel. Large amounts of energy can be extracted from the ocean this way Also the cooler water on the surface could control weather patterns if we learned to use this system.
You don’t need to build the solar collector it is already in place. All you need is the generating stations under the ocean in critical places around the world.
This kind of technology has been around for more than 50 years it is nothing new. We have always had the solution before our very eyes.
No matter how good the idea is. If you can not get interest from a capital invester it will never happen.
John
Ocean Thermal Energy Conversion (OTEC) is an idea that’s been tried for many years. There has never been a large and cost effective plant built. One reason is corrosion – you have to move a lot of very corrosive sea water around.
Good overview here:
http://www.oceansatlas.com/unatlas/uses/EnergyResources/Background/OTEC/OTEC2.html
People keep trying, though:
http://www.nrel.gov/otec/research.html
http://www.seasolarpower.com/otec.html
http://www.seao2.com/otec/
http://www.otecnews.org/
I think you’d have to build an awful lot of OTEC capacity to mess up the ocean ecology, except in a very local area. But that’s just a guess.
Trevor – check the first link above to see exactly what he’s talking about.
Heliatos Point of Use Solar Water Heating System
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May 22nd, 2010 at 9:59 pm
solar water heating systems are outdated,in fact I remove them from peoples roofs all the time(im a builder),but sometimes they need to be drained and re-filled to get the air out of the lines,especially if it hasnt been used for awhile,good luck…
May 22nd, 2010 at 9:59 pm
this is a tough one with out seeing it it could be so many things
best bet would be calla plumber who installs and SERVICES those otherwise you will get someone who will spend hours trying to figure it out, but sounds like something is off that should be on or two things are on at the same timebut only one should be its tough to answer without looking at the piping set up
May 22nd, 2010 at 9:59 pm
I agree with davewilliams. A solar water system installer or plumber can figure it out in short order.
My dad’s DIY system is tied into his gas-fired water heating system, with a 2 valves which let the solar heater act as a pre-heater for his water system. The valves are open in the spring but closed in the winter. There is a drain plug on the roof mounted panels to drain the system in the winter, and an automatic air bleed valve at the highest point for the plumbing on the roof. Finally there is a system controller with a differential temperature sensor (thermostat) inputs to turn on and off a low HP recirculating water pump as needed.
Most solar water systems are similar in design. Check the source for some typical designs.