SU543416A2 - Device for separating fluent materials in electric field - Google Patents

Description

one

The invention. relates to equipment for rasseleki into fractions of loose mixtures and can be used, for example, to clean sunflower seeds from weed impurities in the oil and fat industry.

A device for the separation of bulk materials in an electric field is known. Ev, No. 512611, which includes a full-sized, oscillating feed conveyor with steps, is a grounded electrode, a potential metal electrode insulated to reduce ionization of air by a dielectric, a loading hopper and a sieve system for additional fractionation, the electrodes are made in vice cones, turned downwards, and under a potential electrician, a device is mounted, which is a system of radially mounted with the possibility of rotation of grooves opatok.

The purpose of the invention is to improve the particle size separation effect and the release of a large fraction.

To achieve this goal, a grounded electrode has a sieve area located along its edge.

Fig, 1 schematically shows the proposed device, a longitudinal section; in fig. 2 is also a top view.

The device consists of a potential electrode 1, which ;; repits to the frame 2 by columns 3, a grounded electrode 4 with steps 5, runner blades 6, 7, electric motor 8, sieve section 9, frame 1O, electric motor 11 with unbalance 12, sieve system 13 and 14, pallets 15 and 16, nozzles 17, 18 and 19 for removal of fractions, bearings 2O, feeder 21 and hopper 22.

Claims (1)

The device works as follows. The loose mixture to be separated is loaded into the hopper 22, from where it passes through the feeder 21 to the central part of the conical grounded electrolyte 4. Moving along the surface of the grounded electrode 4 under the action of h oscillations created by the electric motor 11 with unbalance 12, the mixture passes through the steps 5 , at the ends of which the strength of the floor reaches its maximum value. The particles of the mixture that have received a charge, both baking their attraction to the potential electrode with a force exceeding their weight, are separated from the lower electrode and move upwards. When approaching the upper electrode, they fall into the groove of the rotating blades and are driven out of the floor by centrifugal force. Due to the helical shape of the steps 5, the divided em mixture moves along the lower electrode so that the flow of particles twists. This creates a better contact of the particles with the electrode and improves the conditions for their separation in an electrostatic field. The passage is a stepped, grounded electrode 4 in its lower part, the heavy particles are separated in a sieve area 9 with a cell size of 12-14 mm, with the seeds going by the passage and a large weed impurity by gathering. Due to the presence of the floor, the condition of separation of particles having the same size will be equal: the lighter particles will be held on the surface and will go together, and the heavy ones will pass. The passage fraction from the pallet 16 is directed to sieves 13 and 14 for further size separation. After separation on the sieve 13, the coarse fraction coming off the gathering is removed from the apparatus through the nozzle 17, and the fine fraction going off the gathering is sent to the separation on the sieve 14. At the same time, thanks to the air flow coming through the sieve, the seeds are lighter particles , will predominantly be retained on the surface of the sieve, in contrast to heavy particles of mineral impurity, having the same dimensions as the seeds, which will go through and out of the apparatus through the nozzle 19. Invention Formula for separating bulk materials rials in the electric field by the authors. St. No. 512611, characterized in that, in order to improve the effect of separation of particles by size and separation of the coarse fraction, the grounded electrode has a sieve area located along its edge. oh is LD 15 YU 2