SU982806A1 - Magnetic separator - Google Patents

Description

one

The invention relates to mineral processing equipment and is intended for use in the mining industry for the enrichment of low-magnetic materials.

A magnetic separator is known, which includes devices for supplying power and receiving separation products, a magnetic system with poles, in the interpolar space of which ferromagnetic plates are installed, mounted relative to each other with a gap serving as a channel for the passage of pulp. On the surface of the plates there are magnetic field concentrators, providing attraction to them and holding magnetic particles ij.

The disadvantage of this separator is due to the fact that, due to the small depth of concentration of the magnetic field of platinum, they are installed with a small gap. When enrichment, for example, of oxidized ferruginous quartzites, such gaps are quickly clogged with unconventional size material in the pulp. Channel cleaning requires a stop. separator and large labor costs. It is advisable to install a large gap in order to prevent clogging of the channels of the platypine.

The closest in technical essence and the achieved effect to the invention is a magnetic separator,

10 including a system with poles located in the interpolar gap of the magnetic system with the possibility of rotation of the working body with a ferromagnetic filler in the form of alternating

15 magnetic and non-magnetic strips adjacent to each other by planes and assembled in packages, located above the working body of the feeder, receivers of jn separash products located under the working body.

Claims (2)

Due to the alternation of magnetic strips to non-magnetic gaps on the edges of the strips, a magnetic field gradient is created, which allows the magpine 5O batch of Szorfi package 2 Od. current pulp. With a small gap, such MorjT rollers lead to channel overlap until the pulp completely stops. With a large channel width, the magnetic product zhp is known for irregular grains, and part of the ore grains breaks down under the action of the incident flow of the pulp, which reduces their extraction: The aim of the invention is to increase the efficiency of processing ore weak ores by increasing Agents of the magnetic fraction and improvement of its quality. This goal is achieved by the fact that in a magnetic separator containing a magnetic 1st system with a poyusyk, located in the interpolar gap of the magnetic system with the possibility of rotation of the working body with a ferromagnetic filler, made in the form of alternating magnetic non-magnetic bands, adjacent to each other To a friend of the plane ГЧ-1И and assembled in a package located above the working body, the feeder, receivers produced under the control body, the packages are installed ethically but, along the direction of the station; Eaterial. In addition, nanociii are reversed in the direction of the 5GU poles with their PLANE ELEMENTS or edges. FIG. 1 is a diagram of the separator in FIG. 2, the arrangement; a holder with packages, D of which are turned towards the poles, with their own planes; FIG. 3 shows the placement of a filler with bags in which the edges of the bands face the direction of the papus section. The separator picks up the magnetic system with Palyus 1 located in a cross section of the working unit, for example, kassggy 2, filled with packages made up of alternating magnetic components. 3 and non-magnetic strips 4, the strips with their long-sided ori- ges T1 are mounted in a direction 1) from the feeder 5 to the receiver 6 of the non-magnetic product, i.e. placed vertically, between the surface of the adjacent shp-gae packet, a gap forming the channel 7 for the passage of the pulp. The operation of the separator is as follows. The o6orauiae Moro pulp of the feeder material is applied to the walls of the Yiwu plates held by them under the action of superficial tension forces, moving in a thin layer. At the same time, the channel's channel remains empty, which allows it to have any channel width necessary to prevent clogging. Under the influence of magnetic forces, weakly magnetic grains are attracted to the surface of the packets, and non-magnetic grains are removed into the tails. After the magnetic system is turned off or the packets are removed from the magnetic field, the magnetic product is washed off the packets. Due to the orientation of the strips in the direction from the device for feeding the feed to the device for receiving a non-magnetic product, the extracted material is located along the direction of the movement of the pulp, which reduces the disruption and loss of ore grains and contamination of the magnetic product. the poles of the magnetic system, the higher quality of the magnetic product is achieved thanks to Totviy, that the largest magnetic field gradient is directed along the package, which reduces the likelihood of pinching of non-metallic grains. When the strips are positioned by the edges towards the pole of the magnetic system, the main gradient is directed IO normal to the surface of the package, which leads to a tighter pressing against the ore grains and, consequently, a higher extraction of the magnetic fraction. The surface of the package can be smooth or with a margin of magnetic stripes slightly protruding above it. Claim 1. Magnetic separator, including magnetic system with poles, located in the interpalar gap of the magnetic system / gy with the possibility of rotation of the working body with ferromagnetic filling, made in the form of alternating magnetic and non-magnetic bands adjacent to each other by planes and assembled into packages located above the working body, feeder, receivers of separation products, placed by the working body, characterized in that, in order to increase the efficiency of the separation process of low-grade ore s While citeT increases the magnetic fraction of the magnetic fraction and improves its quality, the bags are installed vertically along the direction of movement of the material. 2. A separator according to claim 1, characterized in that the pstos planes face the poles. 3, the Separator according to claim 1, that is, with the fact that the edges of the strips face the poles. 6 Sources of information. accepted. into account during the examination 1. Magnetic separation of finely disseminated oxidized ores, NIIMA, M., Nedra, 1971, p. 6-7. 2. The patent of Great Britain No. 1494154, cl. In the 27-T, published. 1977 (prototype). Phi2.2