Search

CN-121972405-A - Mineral separation equipment with high recovery rate and separation method

CN121972405ACN 121972405 ACN121972405 ACN 121972405ACN-121972405-A

Abstract

The invention belongs to the technical field of mineral separation, in particular to mineral separation equipment with high recovery rate and a separation method, comprising a separation box, an upper air outlet pipe and a lower air outlet pipe; an underframe is arranged under the sorting box, four supporting rods are arranged on the sorting box, a hopper is arranged at the top ends of the supporting rods, a blanking narrow groove is connected below the hopper, and a blanking wheel is connected in a rotary manner in the hopper; in the invention, the lower air outlet pipe further carries out air flow position adjustment on the separated components, and the separation mode ensures that the light components and the heavy components have clear displacement difference and movement track, so that different components can accurately fall into corresponding partition intervals, and component mixing is avoided; because the negative influence of raw material agglomeration on separation precision is eliminated, and the accurate control of double air flows on the drop point is combined, the method can reduce the loss or mismatch of useful minerals to the greatest extent, thereby obviously improving the recovery rate of the minerals while ensuring the separation purity.

Inventors

  • Li Liesa
  • YAN YANG
  • WANG PENGKANG
  • ZHANG TAO
  • ZHAO FANG

Assignees

  • 太原市唐睿科技有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (10)

  1. 1. A mineral separation device with high recovery rate comprises a separation box (1), an upper air outlet pipe (25) and a lower air outlet pipe (26), and is characterized in that a bottom frame (2) is arranged below the separation box (1), four supporting rods (3) are arranged on the separation box (1), a hopper (4) is arranged at the top end of each supporting rod (3), a blanking narrow groove (10) is connected below each hopper (4), a blanking wheel (5) is rotatably connected to the hopper (4), a first gear (6) is arranged at one end of the rear side of the blanking wheel (5), a second gear (7) is meshed with the first gear (6), the second gear (7) is arranged outside an output shaft of a first motor (8), the first motor (8) is arranged on the back surface of the hopper (4), an exhaust hood (40) is communicated with the right side of the separation box (1), a plurality of transverse plates (41) are connected to the inside the separation box (1), and a plurality of transverse plates (41) are arranged between the transverse plates (41) and are arranged at the positions between the transverse plates (41).
  2. 2. The mineral separation equipment with high recovery rate according to claim 1 is characterized in that the bottom end of the blanking narrow groove (10) is located in a separation box (1), the blanking narrow groove (10) comprises a first guide plate (101) and a second guide plate (102), side plates (103) are arranged on the front side and the rear side of the first guide plate (101), sliding blocks (104) are connected in a sliding mode, the sliding blocks (104) are fixedly connected with the second guide plate (102), a roller (11) is connected in the second guide plate (102) in a rotating mode, a second motor (12) is connected to the back face of the roller (11), an output shaft of the second motor (12) penetrates through the second guide plate (102) and the sliding blocks (104), the second motor (12) is arranged on the back face of the sliding blocks (104) on the rear side, supporting frames (105) are arranged on the right side faces of the sliding blocks (104), electric push rods (106) are arranged on the side faces of the supporting frames (105), and the electric push rods (106) are arranged outside the side plates (106).
  3. 3. A mineral separation plant with high recovery according to claim 2, characterized in that the surface of the drum (11) is subjected to an electroerosion treatment.
  4. 4. A mineral separation apparatus of high recovery rate according to claim 3, characterized in that the right side of the second guide plate (102) is fitted with a vibrating motor (13).
  5. 5. The mineral separation equipment with high recovery rate according to claim 4 is characterized in that the hopper (4) is connected with the blanking narrow groove (10) through a corrugated pipe (9), a first cover plate (14) is fixedly connected to the outside of the first guide plate (101), the first cover plate (14) is connected to the separation box (1) in a sliding mode, the side plate (103) is fixedly connected to the first cover plate (14), a contact plate (18) is mounted on the right side face of the second guide plate (102), a spring (19) is connected to the right side face of the contact plate (18), a placing groove (20) is formed in the inner wall of the first cover plate (14), the contact plate (18) is connected to the placing groove (20) in a sliding mode, the spring (19) is fixedly connected to the inner wall of the placing groove (20), a first threaded seat (15) is mounted on the first cover plate (14), a first screw rod (16) is connected to the inner thread of the first threaded seat (15), a motor (17) is fixedly connected to the end portion of the first screw rod (16), and a third motor (17) is mounted on the first cover plate (21) and the first cover plate (21) is mounted on the first separation box (1).
  6. 6. The high-recovery-rate mineral separation equipment is characterized in that a second cover plate (22) is connected to the left side face of the separation box (1) in a sliding mode, the upper air outlet pipe (25) and the lower air outlet pipe (26) are arranged in the second cover plate (22), a second threaded seat (32) is fixedly connected to the outer portion of the second cover plate (22), a third screw rod (33) is connected to the inner portion of the second threaded seat (32) in a threaded mode, a fifth motor (34) is fixedly connected to the bottom end of the third screw rod (33), the fifth motor (34) is arranged on the left side face of the separation box (1), two second limiting frames (27) are connected to the outer portion of the second cover plate (22) in a sliding mode, and the second limiting frames (27) are arranged on the left side face of the separation box (1).
  7. 7. The mineral separation equipment with high recovery rate according to claim 6 is characterized in that a communication hole (23) is formed in the left side face of the second cover plate (22), a third cover plate (24) is arranged on the side face of the second cover plate (22) corresponding to the position of the connection hole, the lower air outlet pipe (26) is arranged in the third cover plate (24), a connecting groove (28) is formed in the second limiting frame (27), the third cover plate (24) is connected in the connecting groove (28) in a sliding mode, an extension frame (29) is connected below the third cover plate (24), a second screw rod (30) is connected with the inner thread of the extension frame (29), a fourth motor (31) is arranged at the bottom end of the second screw rod (30), and the fourth motor (31) is arranged outside the second cover plate (22).
  8. 8. The high-recovery-rate mineral separation device according to claim 7 is characterized in that sliding strips (35) are connected in the upper air outlet pipe (25) and the lower air outlet pipe (26) in a sliding mode, two middle frames (36) are mounted on the sliding strips (35), two guide rods (37) are connected in a sliding mode in the middle frames (36), the guide rods (37) are mounted on the upper air outlet pipe (25), a fourth screw rod (38) is connected in the middle frames (36) in a threaded mode, a sixth motor (39) is mounted at the bottom end of the fourth screw rod (38), and the sixth motor (39) is mounted on the upper air outlet pipe (25).
  9. 9. The mineral separation equipment with high recovery rate according to claim 8, wherein the transverse plate (41) is slidably connected in the separation box (1), a fifth screw rod (44) is connected in the transverse plate (41) in a threaded mode, a seventh motor (45) is fixedly connected to the right end of the fifth screw rod (44), and the seventh motor (45) is arranged on the side face of the underframe (2).
  10. 10. A high recovery mineral separation process suitable for use in a high recovery mineral separation apparatus according to any one of claims 1 to 9, the separation process comprising: When mineral is required to be sorted, the mineral raw materials are directly placed in a hopper (4), an upper air outlet pipe (25) and a lower air outlet pipe (26) are connected with a fan in an external mode, then a first motor (8) and the fan are controlled to work through a controller, at the moment, the first motor (8) controls a blanking wheel (5) to rotate, so that the blanking wheel (5) rotates to drop the raw materials into a blanking narrow groove (10), then the mineral raw materials enter a sorting box (1) through the blanking narrow groove (10), at the moment, the raw materials are guided to fall in a thin layer mode, meanwhile, the fan sucks air flow and blows out the air flow through the upper air outlet pipe (25) and the lower air outlet pipe (26), at the moment, the air blown out by the upper air outlet pipe (25) is contacted with a raw material layer, therefore small-density components in the raw materials move rightwards to be larger than density components, sorting of light-weight components in the mineral raw materials is achieved, at the same time, the air blown out of the lower air outlet pipe (26) blows out the components of the mineral raw materials after being separated through the upper air outlet pipe (25) is achieved, the falling positions of the mineral raw materials are adjusted, different components are enabled to fall down, and the mineral raw materials are separated, and different components are recycled.

Description

Mineral separation equipment with high recovery rate and separation method Technical Field The invention belongs to the technical field of mineral separation, and particularly relates to mineral separation equipment with high recovery rate and a mineral separation method. Background Mineral air separation, also called dry separation or wind separation, is a physical separation method for realizing separation according to density and granularity by taking air as a separation medium under the condition of not using water (or liquid) as the medium and according to the differences of aerodynamic force, gravity, centrifugal force and the like of mineral particles in air flow; in the prior art, the mineral separation equipment generally adopts a pneumatic separation principle, namely, high-speed air flow sprayed by an air tap is utilized to act on freely-falling mineral raw materials. The technology is based on the density (specific gravity) difference of different components in mineral raw materials, so that different horizontal displacement is generated on each component under the action of wind power, and the separation of light components and heavy components is realized. However, in actual production operations, the mineral raw materials often suffer from caking or internal adhesion during addition and transport. The agglomeration state causes mutual interference of light and heavy components among raw materials, and particularly, the light components are easy to wrap or carry heavy components to move together in the air flow blowing process. This phenomenon causes that the light and heavy components cannot be accurately distinguished, the mineral separation precision is seriously affected, and the recovery rate of minerals is further reduced, so that a high-recovery-rate mineral separation device and a separation method are needed to solve the problems. Disclosure of Invention In order to make up for the defects of the prior art, the invention provides mineral separation equipment with high recovery rate and a separation method. The invention is mainly used for solving the problems that in the existing mineral separation equipment, in the raw material adding process, agglomeration among raw materials occurs, so that heavy components in the raw materials can be wrapped by light components to carry and move, and the mineral raw material separation accuracy is affected. The mineral separation equipment with the high recovery rate comprises a separation box, an upper air outlet pipe and a lower air outlet pipe, wherein a bottom frame is arranged below the separation box, four supporting rods are arranged on the separation box, a hopper is arranged at the top ends of the supporting rods, a blanking narrow groove is connected below the hopper, a blanking wheel is rotationally connected to the hopper, a first gear is arranged at one end of the rear side of the blanking wheel, a second gear is externally meshed with the first gear, the second gear is arranged outside an output shaft of a first motor, the first motor is arranged on the back surface of the hopper, the upper air outlet pipe and the lower air outlet pipe are arranged on the left side surface of the separation box, an exhaust hood is communicated with the right side surface of the separation box, a transverse plate is connected in the separation box, a plurality of clapboards are arranged on the transverse plate, and a collecting hopper is communicated with the position, located between two adjacent clapboards, below the transverse plate. According to the technical scheme, the bottom end of the blanking narrow groove is located in the sorting box, the blanking narrow groove comprises a first guide plate and a second guide plate, side plates are arranged on the front side and the rear side of the first guide plate, sliding blocks are connected in the side plates in a sliding mode, the sliding blocks are fixedly connected with the second guide plate, a roller is connected in the second guide plate in a rotating mode, a second motor is connected to the back face of the roller, an output shaft of the second motor penetrates through the second guide plate and the sliding blocks, the second motor is arranged on the back face of the sliding blocks on the rear side, a supporting frame is arranged on the right side face of the sliding blocks, an electric push rod is arranged on the side face of the supporting frame, and the electric push rod is arranged outside the side plates. As a further description of the above technical solution, the drum surface is subjected to an electroerosion treatment. As a further description of the technical scheme, the right side surface of the second guide plate is provided with a vibrating motor. According to the technical scheme, the hopper is connected with the blanking narrow groove through the corrugated pipe, a first cover plate is fixedly connected to the outer portion of the first guide plate and is connected to the sorting