CN112588426A

CN112588426A - Belt type vibration gravity separator

Info

Publication number: CN112588426A
Application number: CN202110038914.7A
Authority: CN
Inventors: 刘兴魁
Original assignee: Weifang Long Li Heavy Machinery Co ltd
Current assignee: Weifang Long Li Heavy Machinery Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-04-02

Abstract

The invention provides a belt type vibration gravity separator which comprises a base, wherein a rack is mounted on the base, a conveying belt is mounted on the rack, the conveying belt is obliquely arranged, a feeding hopper and a spraying pipe are arranged above the conveying belt, a vibration flat plate which is positioned at the upper part of the inner side of the conveying belt and can be in contact with the conveying belt is further mounted on the rack, a tensioning device is arranged between the vibration flat plate and the rack, and the vibration flat plate is connected with a vibration motor. Due to the adoption of the technical scheme, the separation is repeatedly carried out on a longer conveyor belt, so that the recovery rate and the concentrate grade are higher, the continuous feeding and the continuous conveying ensure the larger processing capacity of single equipment, the separation efficiency is high, and meanwhile, the equipment can also be used for dry reselection operation.

Description

Belt type vibration gravity separator

Technical Field

The invention relates to the technical field of mineral processing equipment, in particular to a belt type vibration gravity separator.

Background

The ore concentrate and tailing particles with different densities are mixed together and cannot be directly used, and the ore concentrate and tailing particles must be separated and purified, and according to the characteristics of different densities of different materials, the method for separating the materials with different densities by using gravity, centrifugal force, water power and the like is a method which is generally called a gravity separation method.

For example, many non-ferrous metal mineral purifications and iron separation plants for the recovery and purification of limonite dust are generally performed by gravity separation, and among them, the most widely used are the concentrating machines such as table concentrator and vertical centrifugal separator.

The shaking table gravity concentrator comprises a first motor, wherein the motor is connected with a linear push-pull speed reducer in a transmission way, the linear push-pull speed reducer is connected with a table body and longitudinally pushes and pulls the table body to shake, a feeding hopper for providing raw materials and a washing water tank for transversely washing minerals are arranged on one side of the table surface, a plurality of triangular grooves which are longitudinally communicated with a concentrate outlet at the tail of the table are distributed in the transverse direction of the table surface, and the shaking table gravity concentrator generally adopts an asymmetric working mode, namely the forward pushing speed is low, the backward pulling speed is high, and the pushing and pulling function of dispersing, sinking and pushing materials is realized; dispersing to ensure that the dispersibility of the materials to be selected is good; sinking, namely, the concentrate particles with high density are easy to sink and occupy the space quickly, gangue impurities with low density are extruded to the upper layer of the concentrate, and under the action of gravity and transverse flushing water, tailings flow to the other side of the bed surface in a concentrated manner, so that the concentrate and the tailings are stripped; pushing, namely pushing the concentrate and the tailing materials forwards for conveying, conveying the concentrate to the tail of the bed along the groove, and then intensively discharging the concentrate from a concentrate outlet; the tailing impurities flow to the other side of the bed surface in a centralized way and then are conveyed to a tailing outlet at the tail part to be discharged. Therefore, the sorting operation is completed, but the shaking frequency cannot be too high due to the mechanical structure of the sorting machine, so the handling capacity is small, and the output per hour of a large-size machine is about 1 ton.

Wherein, vertical centrifugal separator, including the second motor, the second motor transmission is connected with horizontal uncovered rotary drum, and the rotary drum top is equipped with the feeding funnel that is used for providing the material. The vertical centrifugal separator has the working mode that the roller rotates at a certain rotating speed, the feeding hopper starts to sequentially feed a certain amount of materials to the inner wall of the rotating roller, water is simultaneously fed and washed, the centrifugal force of particles with high density is high, the particles with low density are extruded to the inner wall of the roller along with the water flushing effect, the particles with low density are extruded to the surface of the roller by concentrate due to the small centrifugal force, the roller wall has a certain taper due to the opening of the roller, impurities are firstly thrown out of the roller under the action of the water flushing and the centrifugal force, then the rotating speed is reduced, the concentrate is flushed and unloaded, the concentrate is fed after the concentrate is unloaded, and the above actions are repeated, so that. The machine mainly utilizes centrifugal force, shortens the separation time of concentrate tailings, but the concentrate and the tailings cannot be simultaneously conveyed, so that continuous feeding production cannot be realized, only periodic operation can be realized, and the maximum type machine hour yield is about 5 tons.

The above technical solution has the following disadvantages: the single unit has small treatment capacity, dozens of or even hundreds of same devices must be invested for parallel operation in order to select the large total output of the plant, the large capital investment occupies a large area, the management is difficult, and the sorting efficiency is low.

Disclosure of Invention

The invention aims to overcome the defects of the traditional technology and provide a belt type vibration gravity separator, which improves the speed and efficiency of material separation and material conveying so as to achieve the purpose of improving the machine hour yield of single equipment.

The aim of the invention is achieved by the following technical measures: the utility model provides a machine is reselected in belt vibrations, includes the base, install the frame on the base, install the conveyer belt in the frame, the conveyer belt slope sets up, the conveyer belt top is equipped with feeding funnel and shower, still install in the frame and be located conveyer belt inboard upper portion, and can contact with the conveyer belt vibration flat board, be equipped with overspeed device tensioner between vibration flat board and the frame, the vibration flat board is connected with vibrating motor. Due to the adoption of the technical scheme, when the feeding device is used, firstly, the conveying belt rotates clockwise, and at the moment, the materials in the feeding hopper are thrown onto the conveying belt and driven by the conveying belt to ascend; then, a vibration motor and a spray pipe are started, the conveying belt vibrates, materials on the whole belt surface are bounced and thrown continuously, high-density concentrate powder is deposited on the surface of the conveying belt, gangue impurities with low density are extruded on the upper layer of the concentrate, the gangue impurities fall into a tailing hopper along the reverse direction of belt running under the action of gravity and water flushing, and the concentrate enters the concentrate hopper along the direction of belt running under the action of the belt, so that the separation operation is completed.

The vibrating plate is characterized in that a plurality of guide rods are connected to the lower side of the vibrating plate, guide holes for the guide rods to penetrate through are formed in the rack, and one end of each guide rod penetrating through each guide hole is in threaded connection with a limiting nut. The guide rod is matched with the guide hole, so that the vibration plate can stably move, and the deviation is avoided.

The quantity of guide bars is four, and four guide bars set up with four angles one-to-one of frame. The guide rod is matched with the guide hole, so that the vibration plate can stably move, and the deviation is avoided.

The tensioning device comprises a spring sleeved on the guide rod, one end of the spring is abutted to the vibrating flat plate, and the other end of the spring is abutted to the rack. The spring pushes the vibration flat plate to the inner side surface of the conveyor belt, so that the contact between the vibration flat plate and the conveyor belt is kept, and the vibration transmission efficiency is improved.

The automatic belt conveyor is characterized in that a driving roller and a driven roller which are positioned on the inner side of the conveying belt are installed on the rack, a driven belt wheel is connected to the driving roller, a main motor is further installed on the rack, the output end of the main motor is connected with a driving belt wheel, and a transmission belt is arranged between the driving belt wheel and the driven belt wheel. When the transmission belt is used, the main motor is started, and drives the driving roller to rotate through the driving belt wheel, the transmission belt and the driven belt wheel, so that the transmission belt is driven to rotate.

The main motor is connected with a frequency converter. The frequency converter is used for adjusting the rotating speed of the main motor so as to meet different selection requirements.

The shape of frame is the rectangle, frame and conveyer belt parallel arrangement, the drive roll rotates with the higher one end of frame height to be connected, the driven voller rotates with the lower one end of frame height to be connected. The frame has simple structure and convenient manufacture and installation.

The base is hinged with a swing frame driven by a driving device, and the rack is installed on the swing frame. When the inclination angle of the conveyor belt needs to be adjusted, the driving device is started to drive the swing frame to swing.

The driving device comprises an oil cylinder, one end of the oil cylinder is hinged with the base, and the other end of the oil cylinder is hinged with the swing frame. When the inclination angle of the conveyor belt needs to be adjusted, the oil cylinder is started to drive the swing frame to swing, when the inclination angle of the conveyor belt meets the sorting requirement, the oil cylinder is closed, the pressure is kept by the oil cylinder, the conveyor belt is fixed, and the inclination of the belt surface is properly adjusted according to the sorting condition, so that the concentrate can obtain the best yield or grade.

The outer surface of the conveyor belt is provided with a tooth-shaped surface. The conveying efficiency and the sorting effect of the conveying belt are improved.

In conclusion, the separation is repeatedly carried out on a longer conveyor belt, so that the recovery rate is higher, the concentrate grade is higher, the concentrate and the tailings run in opposite directions, the continuous feeding and the continuous conveying can be realized, the larger processing capacity of a single device is ensured, the separation efficiency is high, and meanwhile, the device can also be used for dry reselection operation.

Drawings

The invention is further described with reference to the following figures and detailed description:

fig. 1 is a schematic structural diagram of a belt type vibration reselection machine in embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of section A-A of FIG. 1;

FIG. 3 is a schematic structural view of section B-B of FIG. 1;

fig. 4 is a schematic structural diagram of a belt type vibration reselection machine in embodiment 2 of the present invention;

FIG. 5 is a schematic diagram of a shaking table selector in the background art;

fig. 6 is a schematic structural diagram of a vertical centrifugal separator in the background art.

In the figure: 1-a base; 2-oil cylinder; 3-swinging the frame; 4-tailing bucket; 5-a driven roller; 6-tooth profile; 7-a conveyor belt; 8-a spray pipe; 9-a frame; 10-vibrating a flat plate; 11-a vibration motor; 12-a feeding hopper; 13-a guide bar; 14-a spring; 15-passive pulley; 16-a drive roll; 17-a drive belt; 18-concentrate bucket; 19-a frequency converter; 20-a driving pulley; 21-a main motor; 22-a pilot hole; 23-a limit nut; 24-a first motor; 25-linear push-pull speed reducer; 26-bed body; 27-a second motor; 28-rotating the drum; 29-flushing water tank.

Detailed Description

For the convenience of understanding of the present invention, the present invention will be further described with reference to the following examples and drawings, and the description of the embodiments is not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships that are necessary based on a specific orientation of a device or an element shown in the drawings, are configured or operated in a specific orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are used in a broad sense, and may be, for example, mechanically or electrically connected, or may be connected through two elements, directly or indirectly through an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 5, a shaker sorting machine in the background art includes a first motor 24, the first motor 24 is connected with a linear push-pull speed reducer 25 in a transmission manner, the linear push-pull speed reducer 25 is connected with a bed body 26, a feeding hopper 12 and a washing water tank 29 for providing materials are arranged on one side of the bed body 26, wherein the water tank 29 provides horizontal washing water for bed surface materials; the concentrate bucket and the tailing bucket are positioned at the tail part of the bed body 26. The shaking table selector generally adopts an asymmetric working mode, namely the pushing speed is low, the pulling speed is high, and the pushing and pulling function plays a role in scattering, sinking and pushing materials; dispersing, so that the feed has good dispersibility; sinking refers to that concentrate particles with large density are easy to sink at the bottom quickly, and gangue impurities with small density are extruded to the upper layer; pushing, namely, pushing the materials forwards for conveying, and finally throwing out the concentrate and the impurity tailings at the ends of the bed body respectively.

As shown in fig. 6, a vertical centrifugal separator in the background art includes a second motor 27, the second motor 27 is connected to an open rotary drum 28 in a transmission manner, and a feeding hopper 12 for supplying materials is disposed above the rotary drum 28. The working mode of the vertical centrifugal separator is that the feeding hopper 12 feeds a certain amount of materials to the inner wall of the rotary drum, and simultaneously water is fed and washed, the centrifugal force of the particles with high density is large, the particles with low density are deposited on the surface of the drum wall, the particles with low density are extruded on the surface of the concentrate due to the small centrifugal force, and because the drum has a certain taper, under the action of water flushing, impurities are firstly thrown out of the drum, then the rotating speed is reduced, the concentrate is flushed and unloaded, and feeding is carried out after the concentrate is unloaded, and the above actions are repeated, so that the mineral separation operation is.

Example 1: as shown in fig. 1 to 3, a belt type vibration gravity separator comprises a base 1, wherein a swing frame 3 driven by a driving device is hinged on the base 1, the driving device comprises an oil cylinder 2, one end of the oil cylinder 2 is hinged with the base 1, the other end of the oil cylinder 2 is hinged with the swing frame 3, the oil cylinder 2 adopts the prior art, and details are not repeated here. The swing frame 3 is provided with a frame 9, the frame 9 is provided with a conveyor belt 7, and the conveyor belt 7 is obliquely arranged. Specifically, the rack 9 is located on the inner side of the conveyor belt 7, the rack 9 is rectangular, the rack 9 and the conveyor belt 7 are arranged in parallel, the swing frame 3 is U-shaped, and two sides of the rack 9 correspond to two side edges of the swing frame 3 one to one. The frame 9 has simple structure and convenient manufacture and installation. When the inclination angle of the conveyor belt 7 needs to be adjusted, the oil cylinder 2 is started to drive the swing frame 3 to swing, when the inclination angle of the conveyor belt 7 meets the requirement, the oil cylinder 2 is closed, the oil cylinder 2 keeps pressure, the conveyor belt 7 is fixed, and the inclination of the belt surface is properly adjusted according to the sorting condition, so that the concentrate can obtain the best yield or grade.

The frame 9 is provided with a driving roller 16 and a driven roller 5 which are positioned at the inner side of the conveyor belt 7, the driving roller 16 is connected with a driven belt wheel 15, the swing frame 3 is also provided with a main motor 21, and the main motor 21 is connected with a frequency converter 19. The main motor 21 and the frequency converter 19 are both of the prior art and will not be described in detail herein. The output end of the main motor 21 is connected with a driving belt wheel 20, and a transmission belt 17 is arranged between the driving belt wheel 20 and the driven belt wheel 15. Specifically, the driving roller 16 is rotatably connected to the higher end of the frame 9, and the driven roller 5 is rotatably connected to the lower end of the frame 9. When the device is used, the main motor 21 is started, the main motor 21 drives the driving roller 16 to rotate through the driving belt wheel 20, the transmission belt 17 and the driven belt wheel 15, the transmission belt 7 is further driven to rotate, and the frequency converter 19 is used for adjusting the rotating speed of the main motor 21 so as to meet different requirements.

The frame 9 is also provided with a vibrating flat plate 10 which is positioned at the upper part of the inner side of the conveyor belt 7 and can be contacted with the conveyor belt 7, and the vibrating flat plate 10 is arranged in parallel with the frame 9. A tensioning device is arranged between the vibrating plate 10 and the frame 9, the vibrating plate 10 is connected with a vibrating motor 11, and the vibrating motor 11 adopts the prior art and is not described in detail herein. During the use, start vibrating motor 11, vibrating motor 11 drive vibration flat board 10 vibrates, and then drive conveyer belt 7 vibration, and overspeed device tensioner is used for keeping vibrating flat board 10 and conveyer belt 7's contact, improves vibration transmission efficiency. The lower side of the vibrating plate 10 is connected with a plurality of guide rods 13, a guide hole 22 for the guide rod 13 to pass through is formed in the frame 9, and one end of the guide rod 13, which passes through the guide hole 22, is in threaded connection with a limit nut 23. Preferably, the number of the guide rods 13 is four, and the four guide rods 13 are arranged in one-to-one correspondence with four corners of the rack 9. The tensioning device comprises a spring 14 sleeved on the guide rod 13, one end of the spring 14 is abutted against the vibrating flat plate 10, and the other end of the spring 14 is abutted against the rack 9. The springs 14 push the vibration plate 10 toward the inner side surface of the conveyor belt 7, and the contact between the vibration plate 10 and the conveyor belt 7 is maintained, thereby improving the vibration transmission efficiency. The guide rod 13 is matched with the guide hole 22, so that the vibration plate 10 can stably move and avoid deviation. The toothed surface 6 is arranged on the outer side surface of the conveyor belt 7, so that the conveying efficiency of the conveyor belt 7 is improved, and certainly, in order to prevent the material from flowing out of two sides of the belt, skirt edges are arranged on two sides of the conveyor belt 7, and the skirt edges are in the prior art and are not described herein again.

Conveyer belt 7 top is equipped with feeding funnel 12 and shower 8 that are used for providing the material, and concentrate fill 18 has been placed to the high higher one end below of conveyer belt 7, and tailing fill 4 has been placed to the high lower one end below of conveyer belt 7, and feeding funnel 12 adopts prior art, no longer gives unnecessary details here.

When the invention is used, firstly, the main motor 21 is started to enable the conveyor belt 7 to rotate along the clockwise direction, at the moment, the materials in the feeding hopper 12 are thrown onto the conveyor belt 7 and are driven by the conveyor belt 7 to ascend, wherein the feeding hopper 12 can adopt vibration blanking, thus ensuring uniform and loose feeding and being more convenient for sorting. Then, the vibrating motor 11 and the spraying pipe 8 are started, the conveying belt 7 vibrates, materials on the whole belt surface are bounced and thrown continuously, high-density concentrate powder is deposited on the surface of the conveying belt 7, the bottom of the tooth-shaped surface 6 and low-density gangue impurities are extruded on the upper layer of the concentrate, the concentrate powder falls into the tailing hopper 4 along the reverse running direction of the belt 7 under the action of gravity and water flushing, and the concentrate enters the concentrate hopper 18 along the running direction of the belt under the action of the belt, so that the separation operation is completed.

Example 2: as shown in fig. 4, the belt type vibration gravity separator comprises a base 1, wherein a rack 9 is installed on the base 1, a conveyor belt 7 is installed on the rack 9, the conveyor belt 7 is obliquely arranged, and a main motor 21 is installed on the base 1. The remaining features of this embodiment are the same as those of embodiment 1, and are not described herein again. According to the type of the selected vibration motor 11, the vibration motor 11 and the vibration plate 10 can be directly connected or connected by a rocker lever.

In conclusion, the high-frequency vibrator is utilized to improve the dispersibility of the materials, so that the concentrate with high density can be quickly settled on the surface of the belt, the concentrate and the tailings are quickly separated, the concentrate and the tailings are quickly stripped and separated along with the scouring and gravity action of flushing water, and the separation efficiency is improved; in the upward process of the minerals, the minerals are continuously sorted and purified, so that the grade of the concentrate is ensured; in the downward process of the tailings, the repeated separation is also carried out, so that the mixed concentrate powder is continuously separated and recovered, and the recovery rate is improved. The application of the toothed surface 6 can enable materials to be conveyed continuously, concentrate is brought to a concentrate box above a slope by a belt, and tailings flow downwards along the belt into a tailing box below the belt without mutual interference. The whole equipment can be continuously produced, the higher processing capacity of the single equipment is realized along with the high separation efficiency, and the hourly output (25/30) of the single equipment is calculated by the experiment machine and the theory, so that the equipment quantity of a plant is reduced, and the management is convenient; in addition, the functions of adjusting the inclination angle adjusting mechanism of the rack and the frequency converter of the motor can be conveniently adjusted according to the difference of mineral granularity and property and the difference of yield required by separation operation, thereby realizing ideal separation operation. The equipment sorting principle is clear, the structure is simple and reliable, the practicability, the reliability and the stability are realized, the processing capacity of single equipment is greatly improved, the equipment quantity is reduced, the equipment investment is reduced, the production control and the equipment maintenance are convenient, and the gravity separation work engineering project is greatly facilitated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a machine is reselected in belt vibration, includes base (1), install frame (9) on base (1), install conveyer belt (7), its characterized in that on frame (9): conveyer belt (7) slope sets up, conveyer belt (7) top is equipped with feeding funnel (12) and shower (8), still install vibration flat board (10) that are located conveyer belt (7) inboard upper portion and can contact with conveyer belt (7) on frame (9), be equipped with overspeed device tensioner between vibration flat board (10) and frame (9), vibration flat board (10) are connected with vibrating motor (11).

2. The belt-type vibratory gravity separator of claim 1, wherein: the vibration plate is characterized in that a plurality of guide rods (13) are connected to the lower side of the vibration plate (10), guide holes (22) allowing the guide rods (13) to penetrate are formed in the rack (9), and one end of each guide rod (13) penetrating through each guide hole (22) is connected with a limiting nut (23) in a threaded mode.

3. The belt-type vibratory gravity separator of claim 2, wherein: the shape of frame (9) is the rectangle, the quantity of guide bar (13) is four, and four guide bar (13) set up with four angles one-to-one of frame (9).

4. The belt-type vibratory gravity separator of claim 2, wherein: the tensioning device comprises a spring (14) sleeved on the guide rod (13), one end of the spring (14) is abutted against the vibration flat plate (10), and the other end of the spring (14) is abutted against the rack (9).

5. The belt-type vibratory gravity separator of claim 1, wherein: install drive roll (16) and driven voller (5) that are located conveyer belt (7) inboard on frame (9), be connected with passive band pulley (15) on drive roll (16), still install main motor (21) on frame (9), the output of main motor (21) is connected with driving pulley (20), be equipped with between driving pulley (20) and passive band pulley (15) driving belt (17).

6. The belt-type vibratory gravity separator of claim 5, wherein: the main motor (21) is connected with a frequency converter (19).

7. The belt-type vibratory gravity separator of claim 5, wherein: frame (9) and conveyer belt (7) parallel arrangement, drive roll (16) are connected with the higher one end rotation of frame (9) height, driven voller (5) are connected with the lower one end rotation of frame (9) height.

8. The belt-type vibratory gravity separator according to any one of claims 1-7, wherein: the base (1) is hinged with a swing frame (3) driven by a driving device, and the rack (9) is installed on the swing frame (3).

9. The belt-type vibratory gravity separator of claim 8, wherein: the driving device comprises an oil cylinder (2), one end of the oil cylinder (2) is hinged to the base (1), and the other end of the oil cylinder (2) is hinged to the swing frame (3).

10. The belt-type vibratory gravity separator according to any one of claims 1-7, wherein: and the outer side surface of the conveyor belt (7) is provided with a tooth-shaped surface (6).