SU429027A1 - APPARATUS FOR MAGNETIC DESERTATION OF WATER - Google Patents

Description

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The invention relates to the field of desalting solutions, in particular to the desalination of water.

The schemes of water desalination apparatus in a magnetic field are known, based on the separation of ions of dissociated salts during solution motion in a magnetic field perpendicular to the magnetic field lines due to the Lorentz force, directly proportional to the magnetic field strength and the velocity of the charge.

A disadvantage of the known constructions is the low efficiency of the process due to the appearance of an electric field due to the accumulation of like charged ions near the walls of the channel through which the solution moves; Due to the presence of a boundary layer near the walls of the channel, the particles in which are moving at low speed, and hence the force acting on the ions, in this layer is extremely small; Because of the need to build bulky apparatus, since working with elevated speeds of solutions (to increase strength, separation of our charges) necessitates the creation of very long magnetic fields to ensure a certain residence time of the solution in a magnetic field. This time is determined by the velocity of the ions moving to the channel walls.

To reduce the working area of the magnet.

reducing the effect of the electric field and increasing the efficiency of magnetic desalination of water along the entire length of the channel, mesh partitions are installed at the end walls, which are shorted to each other through the channel walls made of a material with low electrical resistance.

FIG. 1 shows the apparatus, top view; in fig. 2 is the same longitudinal section; in fig. 3- scan of the annular channel.

The permanent magnet 1 is rotated by a motor with a constant number of revolutions. There is a rectangular channel 2 in the magnet gap. Through the entire channel length, mesh partitions 3 are installed at the end walls. The solution is fed into the channel through fitting 4 and is removed from the central part of the channel through fitting 5, and from the zone between the side wall and the mesh partition through fitting 6.

The central part of the channel between the mesh partitions is a working area for desalting. In order to increase the relative speed of movement of ions in a magnetic field, the liquid moves counter to the rotation of the magnet.

When the solution moves in the channel, the salt ions under the action of a magnetic field move to the partitions. The solution with a high salt concentration is sucked through the grids and removed through the nozzle 6. Passage

through the grid, the ions give it their charge, which is neutralized due to the fact that the grid is shorted to each other through the metal case of the channel. This prevents the formation of an electric field that prevents the separation of charges. In addition, the suction through the mesh partitions allows you to remove the boundary layer and, therefore, equalize the flow velocity over the cross section.

Thus, in the central part of the channel, as the movement progresses, the solution is depleted in salts, and a more concentrated solution is sucked through the mesh partitions and fitting b. By increasing the intensity of the magnetic field and the speed of rotation of the magnet, the desalting process can be intensified.

Subject invention

1. A device for magnetic desalination of water, including a solution channel, inlet and outlet connections, a concentric magnetic system mounted on a shaft, characterized in that, in order to reduce the working area of the magnet, reduce the effect of the electric field and increase the efficiency of magnetic desalination, along the entire length of the channel, mesh partitions are installed at the end walls, which are shorted to each other through the channel walls.

2. Apparatus No. 1, characterized in that the walls of the channel are made of a material with low electrical resistance.

Puz. one

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