Comments by "SeanBZA" (@SeanBZA) on "Two Bit da Vinci" channel.

  1. 11
  2. 5
  3. 4
  4. 4
  5. 3
  6. 3
  7. 3
  8. 3
  9. 2
  10. 2
  11. 2
  12. 2
  13. 2
  14. 2
  15. If you have a nuclear plant, you can use the waste heat to boil water, to desalinate it, though you will only boil off enough to double the salinity, for technical reasons, but this will still use the waste heat and produce all the fresh water the reactor needs, plus a lot more for export along with power. Not enough energy in the low temperature steam, you want steam at 300C plus to gain useful work, and will condense it down when it is at around 150C, which will still allow you to boil sea water, though as above, with less efficiency. Not enough useful energy in that steam, which will be very wet, to actually do useful work, and you will be needing to use heat exchangers on the incoming salt water to both condense the reactor turbine steam, and the evaporated steam, so as to actually gain efficiency, by using the first heat exchanger to boil the water, and the second one to warm the incoming water a little, with a third one to cool the outgoing water and add some of the energy to incoming water, so you lessen the energy to get it to boiling, though the biggest heat need is to evaporate that sea water to a wet steam. Basically making your inlet water be at 90C, close to boiling, so you get maximum energy transfer, and you get 95C primary water out, which uses another heat exchanger to cool down to around 50C, for the run through the boilers again. Complex, lots of pumps but will give large amounts of reasonably low salt water, not going to be distilled, but definitely equal to river water in salts in it.
    2
  16. 1
  17. 1
  18. 1
  19. 1
  20. 1
  21. 1
  22. 1