| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a separation device in which the circulation amount of seawater required for desalination is reduced and an energy efficiency is improved. <P>SOLUTION: An inner cylinder 2 is provided inside an outer cylinder 1, and a cylindrical heat-exchanging diaphragm 3 is provided inside the inner cylinder. A compressor 27 and a heater 28 are provided on the upper part of the outer cylinder via a pipe 25. The heat of vapors heated by the heater is transmitted as a radiation heat to the water particles sprayed in the inner cylinder through the medium of the cylindrical heat-exchanging diaphragm for vaporization. The vapor in the diaphragm condenses to accumulate on the bottom of the diaphragm as a plain water. Besides, the vapor in the inner cylinder goes out of an opening 14, and salt particles drop by their own weight. The vapor is heated by the heater passing through the pipe from the outlet of the outer cylinder and is sprayed to the diaphragm. The plain water and salt particles are separated by continuously performing the above process. Since the seawater of only its amount to be desalinated is circulated in this seawater desalination device 100, the desalination comes off with less power energy and does not generate a salt water having high salt concentration, thus lessening load to the device as well as environment. <P>COPYRIGHT: (C)2013,JPO&INPIT |
