What is the structure and working principle of a dry disc type strong magnetic separator?

Dry strong magnetic disc magnetic separator for sorting a wide selection of weakly magnetic minerals again less than 2 ~ 3mm and a noble metal ore. It has three kinds of single disc (diameter φ=900mm), double disc (φ=576mm) and three discs (φ=600mm). The magnetic field strength can reach 880~1440kA/m. Among them, there are many double-disc applications with φ576mm, so take it as an example. The double-disc magnetic separator is mainly composed of a feeding hopper, a permanent magnet splitting cylinder, an eccentric vibration feeding plate, a disk drive device, an electromagnetic system and a frame (see Fig. 1). The electrical control box is an accessory to the machine. Magnetic system by a "mountain" shape electromagnet and a rotating steel plate structure, like a disc with a dish turned upside down tines which diameter than the width of the belt to the mine sophomore about one-half disc using the worm gear reducer The pole distance between the disc and the electromagnet can be adjusted by the hand wheel (adjustment range 0~20mm). Sorting procedure: into a lower portion of the ore dressing stone by the permanent magnet into the slot of the sorting drum, ferromagnetic minerals are sorted out, the rest of the first end falls through chute ore bucket, the effect of weakly magnetic minerals gravity and centrifugal force Next, fall to the sieve. The sieve material (small amount) is discharged from the side of the sieve frame to other processes, and the sieve material (weak magnetic mineral) is sorted by the donor disk to the strong magnetic zone below the rotating disk, and the minerals sucked onto the disk are brought to In the weak magnetic field on the side, the mineral falls under the action of gravity and centrifugal force, and falls into the mining hopper on both sides. The unfalling mineral is forced to fall off by the unloading brush. After the four sorting by the disk, the non-magnetic mineral along the ore The plate is sent to the tailing hopper of the tailings. In order to prevent clogging, a weak magnetic field pole is placed in the ore cylinder to pre-discharge the ferromagnetic mineral in the feedstock. Figure 1 dry strong magnetic field double disk magnetic separator 1 feeding hopper; 2 feeding cylinder; 3 strong magnetic product receiving hopper; 4 sieve trough; 5 vibrating trough; 6 disc; 7 magnetic system Reference does not constitute investment advice. Investors operate on this basis at their own risk.

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