Secondary purification device for superconducting magnet

Abstract

The invention discloses a secondary purification device for a superconducting magnet, comprising the superconducting magnet with a room-temperature hole and a separating frame capable of moving after passing through the room-temperature hole; the separating frame is internally provided with a non-magnetic sieve, and a secondary purification member is arranged in the separating frame and below thenon-magnetic sieve; a raw material inlet is arranged at an inlet of the room-temperature hole and is positioned above the separating frame. The secondary purification device can sufficiently absorb ferromagnetic substances in ore pulp or magnetic substances in sewage so that the sewage is purified.

Description

technical field [0001] The invention relates to a purification device containing magnetic substances, in particular to a secondary purification device for superconducting magnets, which can be used for the separation of ore pulp containing ferromagnetic materials or the treatment of flocculation sewage containing magnetic seeds. Background technique [0002] Superconducting magnetic separation technology is a technology that uses the strong magnetic field generated by superconducting magnets to separate ferromagnetic particles from mineral materials or sewage. Superconducting magnetic separation technology includes reciprocating magnetic separation platform and continuous rotary separation platform. The room temperature hole of the magnet makes continuous rotating motion. A separation frame structure is set on the sorting platform to form a sorting cavity. Steel wool can be placed in the sorting cavity, and the high gradient magnetic field generated by the steel wool in the...

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Problems solved by technology

[0004] However, since the mesh surface of the screen is set horizontally in the working area of ​​the room temperature hole of the superconducting magnet, it is perpendicular to the flow direction of the slurry and spray water, so there are the following defects: (1) The working area of ​​the screen is the smallest, and it is easy to block and affect the separation effect ; (2) The free fall of the pulp and spray water has a large drop, and its impact force will greatly damage the screen, and the screen is easily damaged; (3) The impact force of the free fall easily causes the agglomerated particles slightly larger than the mesh of the screen to be affected by the impact force Can pass through the screen, reducing the separation effect

(4) Ferromagnetic particles or dirt that are too late for magnetic agglomeration or the particles are not large enough after magnetic agglomeration cannot be screened out by the screen

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