SU912284A1 - Dielectric separator - Google Patents

Description

one

The invention relates to devices for the separation of bulk materials and can be used in agricultural production for the separation of seed mixtures.

A dielectric separator is known, including a feed hopper, electrodes, alternate polarity in the form of wires, and receivers of separation products 1. A disadvantage of the known separator is the low electric field strength in the separation zone.

The closest in technical essence and the achieved effect is a dielectric separator, which includes a working body in the form of a drum with alternating polarity electrodes placed on it, a loading device and receivers of separation products 2.

The disadvantage of this device is the low efficiency of the separation process when moisture enters the working member.

The purpose of the invention is to increase the efficiency of the separation process by heating the working member and expanding the particle size range of the material to be separated.

This goal is achieved by the fact that one of the polarities of the electrode is coaxial, and the internal conductor is a heating one.

In addition, coaxial electrodes are made of a larger diameter than electrodes of opposite polarity.

FIG. 1 shows a dielectric se 10 parator, side view; in fig. 2 - the working body of the dielectric separator, a longitudinal section; in fig. 3 - part of the winding of the working body with alternating polarity electrodes.

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Claims (2)

The dielectric separator consists of a loading device 1 located above the working body 2, made in the form of a drum, a cleaning brush 3 and receivers of separation products 4. The winding of alternating polarity electrodes consists of simple 5 and coaxial 6 electrodes laid on the working body 2, moreover, the electrodes 6 more electrodes 5 but the diameter. The outer pilineric wire 7 of the electrode 6 is connected to an alternating voltage source (not shown) to create a non-uniform electric field with the electrode 5. The internal high resistance electrode conductor 8 of the electrode 6 serves to heat the windings of the working body 2 in order to create a temperature gradient of ngg and prevent the accumulation of moisture E; 1c can, which significantly reduces all 1g1h ;; field. Since the diameter of the electrode 6 is larger than that of the electrode 5 L, cavities are formed on the surface 2, the doses of the airspace which are completely penetrated by a strong electric field. Both small and large seeds are completely in a non-uniform electric field and they are influenced by the maximum electric force (taking into account the different quality of seeds for their electrical properties, functionally related to sowing qualities). The proposed separator works as follows. Seeds from the loading device 1 fall on the working body 2, on which electrodes of alternating polarity 5 and 6 are laid in the form of a winding. Due to the interaction of electrical and mechanical forces, the seeds are divided into fractions and s different compartments of fission product receiver 4 are received. negative effects of moisture and increase the efficiency of the seed separation process. Claim 1. A dielectric separator, including a USE working device in the form of a drum with alternating polarity electrodes placed on it, a loading device and separation product preheaters, characterized in that, in order to increase the efficiency of the separation process by heating the working device, coaxial, while the inner conductor is heating. 2. The separator according to claim 1, wherein the coaxial electrodes are larger in diameter than the electrodes of opposite polarity in order to expand the particle size range of the material to be separated. Sources of informative information received by BCf for consideration during examination 1. USSR author's certificate N 3021.1, cl. B 03 C 3/02, 1969. 2. USSR author's certificate number 680762, cl. in 03 C 7/02, 1979 (prototype). FIG. 2