CN-121988448-A - Fluorite middling flotation separation equipment based on strong magnetic pretreatment

CN121988448ACN 121988448 ACN121988448 ACN 121988448ACN-121988448-A

Abstract

The invention relates to the technical field of ore processing and discloses fluorite middling flotation separation equipment based on strong magnetic pretreatment, which comprises a separation component and a magnetic separation component, wherein the separation component is characterized in that a working cylinder and a rotating disc are meshed with a connecting ring through a driving gear to drive the rotating disc to rotate steadily by means of a fixed ring ball, when the rotating speed is increased, a stirring plate is unfolded against the elasticity of a coil spring to push ore pulp to centrifugally delaminate, coarse impurities are thrown to the cylinder wall to be discharged, back-flow and ground, fine fluorite particles gather to the center and are conveyed to the magnetic separation component through a blanking funnel, connecting pipes at two sides of the assembly cylinder in the magnetic separation component respectively receive ore pulp and conveyed fluorite, a servo motor drives a coaxial magnetic column to rotate through a driving roller, a strong magnetic field adsorbs magnetic impurities and rotates out of a magnetic field region along with the magnetic column, a spray head realizes reciprocating swing and spray by means of a torsion spring to thoroughly strip the magnetic impurities to form tailings, and the non-magnetic fluorite enters subsequent flotation, and the magnetic field strength is dynamically adjusted according to the content of the magnetic impurities, so that the tailing fluorite residue and solid waste cost are reduced.

Inventors

YANG JIN
XU ZHONGBIN
LI MINGMING
MAO JIANGXIN
LU FANGHONG

Assignees

内蒙古包钢金石选矿有限责任公司

Dates

Publication Date: 20260508
Application Date: 20260309

Claims (10)

1. The fluorite middling flotation separation equipment based on strong magnetic pretreatment is characterized by comprising a separation assembly and a magnetic separation assembly, wherein the separation assembly comprises a working cylinder, one side of the working cylinder and the other side of the bottom are fixedly connected with a discharge pipe, a driving machine is installed at the bottom of the working cylinder, a fixed ring is arranged in the working cylinder, the inner wall of a working cylinder with the outer annular wall of the fixed ring is fixedly connected, a rotating disc is sleeved on the inner annular wall of the fixed ring in a rotating manner, a connecting ring is fixedly connected to the periphery of the top of the rotating disc, a plurality of evenly distributed tooth grooves are formed in the outer annular wall of the connecting ring, a plurality of mounting grooves are formed in the periphery of the top of the rotating disc, a rotating rod is arranged in the mounting grooves, one end of the bottom of the rotating rod is rotationally connected with the bottom of an inner cavity of the mounting groove, a stirring plate is fixedly connected to the top of the rotating rod, one end of the bottom of the rotating rod is sleeved with a coil spring, one end of the coil spring is fixedly connected with the groove wall of the mounting groove, and the other end of the coil spring is fixedly connected with the rotating rod; the magnetic separation assembly comprises an assembly cylinder, a magnetic column is arranged in the assembly cylinder, a servo motor is arranged at the top of the assembly cylinder, a driving roller is fixedly connected with the output end of the servo motor, one end of the driving roller, which is far away from the servo motor, is fixedly connected with the magnetic column, an installation cavity is formed in one side, which is far away from the contact point between the driving roller and a connecting pipe, of the inner wall of the assembly cylinder, a plurality of installation seats are fixedly connected with the inner wall of the installation cavity, an installation window is formed in one side, which is close to the magnetic column, of the installation window, fixing grooves are formed in two sides of the inner wall of the installation window, rotating rollers are arranged in the fixing grooves, two ends of each rotating roller are rotatably connected with the bottoms of inner cavities of the fixing grooves on two sides, torsion springs are sleeved at two ends of each rotating roller, and a connecting seat is fixedly sleeved on the surface of each rotating roller, and one side of the connecting seat, which is close to the magnetic column, is fixedly connected with a plurality of groups of spray heads.
2. The fluorite middling flotation separation device based on strong magnetic pretreatment as claimed in claim 1, wherein a material port is formed in the top of the working cylinder, and a fixing frame is fixedly connected to one side of the driving machine.
3. The fluorite middling flotation separation device based on strong magnetic pretreatment as claimed in claim 1, wherein a plurality of evenly distributed balls are arranged on the inner annular wall of the fixed ring, an assembly annular groove is formed in the periphery of the rotating disc, and one side, close to the center of the rotating disc, of each ball is in contact with the wall of the corresponding assembly annular groove.
4. The fluorite middling flotation separation device based on strong magnetic pretreatment as claimed in claim 1, wherein the output end of the driving machine penetrates through the working cylinder to extend to one side of the connecting ring, the output end of the driving machine is fixedly connected with the driving gear, and the connecting ring is meshed and connected with the driving gear through the tooth slot.
5. The fluorite middling flotation separation device based on strong magnetic pretreatment of claim 1 is characterized in that a blanking funnel is fixedly connected to the bottom of the rotating disc, a window penetrating through the rotating disc is formed in the middle of the rotating disc, and the output end of the blanking funnel is fixedly connected with a connecting pipe on one side close to the magnetic separation assembly.
6. The fluorite middling flotation separation device based on strong magnetic pretreatment as claimed in claim 1, wherein connecting pipes are fixedly connected to two sides of the assembly cylinder, and one end of one side of the connecting pipe, which is far away from the assembly cylinder, is fixedly connected with a discharge pipe of the working cylinder.
7. The fluorite middling flotation separation equipment based on strong magnetic pretreatment as claimed in claim 1, wherein the magnetic column is coincident with the axis of the assembly cylinder, and one end of the driving roller, which is far away from the servo motor, penetrates through the outer surface of the assembly cylinder and extends into the cylinder.
8. The fluorite middling flotation separation device based on strong magnetic pretreatment as claimed in claim 1, wherein one side of the assembly cylinder is provided with a window for contacting the magnetic column with ore pulp, and a plurality of mounting seats are uniformly arranged along the height direction of the mounting chamber.
9. The fluorite middling flotation separation equipment based on strong magnetic pretreatment as claimed in claim 1, wherein a baffle seat for preventing ore pulp leakage is fixedly connected to the bottom of the inner cavity of the assembly cylinder, and a baffle plate for driving ore pulp to fully contact with the magnetic column is fixedly connected to the contact point of the assembly cylinder and the connecting pipe.
10. The fluorite middling flotation separation device based on strong magnetic pretreatment as claimed in claim 1, wherein one end of the torsion spring is fixedly connected with the rotating roller, and the other end of the torsion spring is fixedly connected with the wall of the fixed groove.

Description

Fluorite middling flotation separation equipment based on strong magnetic pretreatment Technical Field The invention relates to the technical field of ore processing, in particular to fluorite middling flotation separation equipment based on strong magnetic pretreatment. Background The national export ' standard condition of fluorite industry (2024 edition) definitely uses the improved ore dressing recovery rate as a hard index for industry development, and ' industry structure adjustment guide catalog ' further brings fluorite resource comprehensive utilization items into encouragement category, provides support such as financial subsidy and tax preferential for the industry through policy guidance, and promotes the fluorite industry to transform to the efficient utilization of resources in a green low-carbon direction. However, the traditional fluorite beneficiation process gradually exposes a remarkable short plate, the mineral separation precision is insufficient, so that the overall beneficiation recovery rate of the industry is at a lower level, a large amount of fluorite resources cannot be effectively utilized, serious resource waste is caused, and the production dilemma faced by the steel-clad gold stones in fluorite production enterprises is more prominent. In middlings treated by a mineral separation line, impurities such as calcium carbonate and quartz have a close relation with fluorite embedding, the selectivity of a reagent used in the traditional flotation process is insufficient, if concentrate grade is improved in a concentrated manner (for example, the target is more than 97 percent), the recovery rate is reduced to below 75 percent, if the recovery rate is required to be improved, the concentrate grade is difficult to meet the high-end requirement of downstream fluoridation, and the fluorite residue in tailings exceeds 8 percent, so that the resource waste is increased, and the waste disposal cost is increased. In the middling treatment link, the enterprise is trapped in the problem that concentrate grade and ore dressing recovery rate are difficult to promote for a long time, and this current situation has directly restricted product quality upgrading and productivity effect and has promoted for the enterprise is difficult to form the core advantage in market competition, from prior art, traditional single flotation technology has failed to satisfy the dual demand of enterprise to concentrate quality and production efficiency. Disclosure of Invention The invention aims to solve the technical problems of the prior art, and provides fluorite middling flotation separation equipment based on strong magnetic pretreatment. In order to achieve the aim, the fluorite middling flotation separation equipment based on strong magnetic pretreatment comprises a separation assembly and a magnetic separation assembly, wherein the separation assembly comprises a working cylinder, one side of the working cylinder and the other side of the bottom are fixedly connected with a discharge pipe, a driving machine is installed at the bottom of the working cylinder, a fixed ring is arranged in the working cylinder, the inner wall of a working cylinder of an outer annular wall of the fixed ring is fixedly connected, a rotating disc is rotatably sleeved on the inner annular wall of the fixed ring, connecting rings are fixedly connected to the periphery of the top of the rotating disc, a plurality of tooth sockets which are uniformly distributed are formed in the outer annular wall of the connecting ring, a plurality of mounting grooves are formed in the periphery of the top of the rotating disc, a rotating rod is arranged in the mounting grooves, one end of the bottom of the rotating rod is rotatably connected with the bottom of an inner cavity of the mounting groove, a stirring plate is fixedly connected to the top of the rotating rod, one end of the bottom of the rotating rod is sleeved with a coil spring groove wall, the other end of the coil spring is fixedly connected with the rotating rod, the magnetic separation assembly comprises an assembling cylinder, a magnet post is arranged in the assembling cylinder, a motor is rotatably sleeved on the inner wall of the rotating cylinder, two sides of the rotating cylinder are fixedly connected with two sides of the inner wall of the rotating seat, two sides of the inner wall of the rotating seat are fixedly connected with two side of the inner wall of the rotating seat are fixedly arranged, two side of the inner wall of the rotating seat are fixedly connected with two side of the inner cavity, one side of the inner cavity is fixedly arranged far away from the inner cavity, one side of the inner cavity is fixedly connected with a connecting seat is fixedly arranged, one side of the inner cavity is fixedly arranged far from the inner cavity, and one side of the inner cavity is far from the rotating seat is far from the connecting seat and the rotating and the connectin