Flotation machine for low-grade barite

Abstract

The utility model relates to the technical field of barite flotation, in particular to a low-grade barite flotation machine which comprises a flotation box and a raw ore pulp box, the raw ore pulp box is fixedly installed on the side face of the flotation box through a supporting frame, a stirring piece and a defoaming piece are arranged in the flotation box and on the top of the flotation box, and a driving assembly is arranged on the top of the flotation box. The driving assembly is used for driving the stirring part and the de-foaming part to rotate, an agent box is arranged at the top of the raw ore pulp box, and a quantitative assembly used for controlling adding of a foaming agent is arranged in the agent box, so that the proportion of the foaming agent to the raw ore pulp is coordinated; the situation that normal flotation of the ore primary pulp is affected due to the fact that more or less foam exists is avoided, then the foaming agent expands and wraps the tailings under the action of the driving part and the stirring part, the tailings can be scraped by the foam removing assembly, concentrate and tailings are separated, the structure is simple, operation is easy and convenient, and the flotation efficiency of the ore primary pulp can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of barite flotation, in particular to a flotation machine for low-grade barite. Background Art

[0002] Barite flotation is a mineral processing technology that uses flotation to beneficiate barite, an ore that mainly contains elements such as tungsten, iron and tin. During the flotation process, the differences in the physical and chemical properties of different ore minerals are used to separate the ores, thereby improving the grade and recovery rate of the ore.

[0003] In order to better improve the grade and recovery rate of the ore, it is necessary to use a flotation machine of low-grade barite to operate, such as the prior art Chinese patent announcement number "CN116441064B" an ore flotation machine, which belongs to the field of ore flotation technology. A feed pipe and an air inlet pipe are installed on the barrel body, a first annular member is coaxially fixedly installed on the inner bottom end of the barrel body, a discharge pipe connected to the first annular member is installed on the barrel bottom of the barrel body, and the second annular member is coaxially rotatably installed on the outer peripheral wall of the first annular member. The scraper assembly is arranged on the outer peripheral side of the top of the second annular member, and the scraper assembly is rotatably connected to the second annular member. The end of the scraper assembly away from the second annular member always maintains a stop state with the inner wall of the barrel body, and can be synchronously lifted and lowered in the vertical direction with the slurry surface under the action of buoyancy, so that the foam bubbles can enter the inner ring of the first annular member with the assistance of the scraper assembly, and then be discharged from the barrel body through the discharge pipe. The present invention is conducive to improving the scraping efficiency of the scraper assembly for foam bubbles carrying target minerals, thereby improving the efficiency of ore flotation.

[0004] Traditional ore flotation machines require the addition of foaming agents to the ore slurry for stirring and flotation. However, in actual operation, considering that similar flotation machines can only stir the ore and are not equipped with a mechanism for adding foaming agents, and the amount of foaming agent added will directly affect the effect of ore flotation, quantitative addition is required to avoid affecting the efficiency and quality of ore flotation. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art that the efficiency and quality of ore flotation are affected by the lack of measures for quantitatively adding a foaming agent, and proposes a flotation machine for low-grade barite.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A flotation machine for low-grade barite is designed, comprising a flotation box and a raw ore slurry box, wherein the raw ore slurry box is fixedly mounted on the side of the flotation box through a support frame, a stirring member and a defoaming member are arranged inside and on the top of the flotation box, and a driving assembly is arranged on the top of the flotation box, and the driving assembly is used to drive the stirring member and the defoaming member to rotate;

[0008] Wherein, a medicine box is arranged on the top of the raw ore slurry box, and a quantitative component for controlling the addition of a foaming agent is arranged in the medicine box.

[0009] Furthermore, a pair of flotation chambers are provided in the flotation box, the top of the flotation chamber is provided with an opening, and the stirring element is rotatably connected inside, the flotation chamber is communicated with the original ore slurry box through a conveying pipe, and a discharge port is provided at the bottom through the conveying pipe, an electric valve is provided in the conveying pipe, and the reagent box is communicated with the original ore slurry box through a discharge pipe, and a one-way valve is provided in the discharge pipe.

[0010] Furthermore, the driving assembly includes a first motor fixedly mounted on the top of the flotation box, a driving sprocket is fixedly mounted on the shaft end of the first motor, a pair of driven sprockets are fixedly mounted on the top of the agitating elements, and a transmission chain is sleeved between the driving sprocket and the pair of driven sprockets.

[0011] Furthermore, a second motor is fixedly mounted on one side of the top of the flotation box, and the defoaming member is rotatably connected to the top opening thereof, a driving pulley is fixedly mounted on the shaft end of the second motor, a driven pulley is fixedly mounted on the shaft end of the defoaming member, and a transmission belt is sleeved between the driving pulley and the driven pulley.

[0012] Furthermore, the quantitative component includes a partition slidably connected inside the medicine box, the end face of the partition is penetrated by a plurality of through holes, and a screw rod is eccentrically threadedly connected to the end face, the top of the screw rod is rotatably connected to the medicine box and fixedly mounted with a worm gear, a piston rod is slidably connected inside the medicine box, and the partition can stop the piston rod.

[0013] Furthermore, a fixed seat is fixedly installed on the top of the medicine box, a worm is rotatably connected inside the fixed seat, the worm wheel rotates in meshing engagement with the worm, a fixed socket is fixedly installed on one end of the worm, and a movable socket is slidably connected inside the fixed seat, and the movable socket can clamp the fixed socket.

[0014] Furthermore, an unlocking rod is fixedly installed on the side of the movable clamping seat, and a spring is provided on the outer sleeve of the unlocking rod. The two ends of the spring respectively contact the side of the movable clamping seat and the inner side of the fixed seat. The unlocking rod is slidably connected to the fixed seat and is rotatably connected to the end of the worm gear.

[0015] The utility model proposes a flotation machine for low-grade barite, and has the beneficial effect that: the utility model can add a foaming agent in a flotation box in a quantitative manner by utilizing the quantitative effect, so that the ratio between the foaming agent and the ore pulp is coordinated, and the situation of more or less foam affecting the normal flotation of the ore pulp is avoided. Then, the foaming agent is expanded and wrapped with the tailings through the action of the driving part and the stirring part, so that the tailings can be scraped off by the defoaming component, so that the concentrate and the tailings are separated. The utility model has a simple structure and is easy to operate, and can effectively improve the flotation efficiency of the ore pulp. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the drive assembly of the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of area A;

[0019] Figure 4 It is a cross-sectional view of the medicine box of the utility model;

[0020] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of area B.

[0021] In the figure: 1. flotation box; 11. flotation chamber; 12. conveying pipe; 2. raw ore slurry box; 3. support frame; 4. stirring element; 5. defoaming element; 6. driving assembly; 61. first motor; 62. driving sprocket; 63. driven sprocket; 64. transmission chain; 65. second motor; 66. driving pulley; 67. driven pulley; 68. transmission belt; 7. reagent box; 71. feeding pipe; 72. piston rod; 8. quantitative assembly; 81. partition; 82. through hole; 83. screw rod; 84. worm wheel; 85. fixed seat; 86. worm; 87. fixed card seat; 88. movable card seat; 89. unlocking lever; 891. spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-5A flotation machine for low-grade barite, comprising a flotation box 1 and a raw ore slurry box 2, wherein the raw ore slurry box 2 is fixedly mounted on the side of the flotation box 1 through a support frame 3, a stirring member 4 and a defoaming member 5 are arranged inside and on the top of the flotation box 1, and a driving assembly 6 is arranged on the top thereof, wherein the driving assembly 6 is used to drive the stirring member 4 and the defoaming member 5 to rotate;

[0024] A reagent box 7 is provided on the top of the raw ore slurry box 2, and a quantitative component 8 for controlling the addition of a foaming agent is provided in the reagent box 7.

[0025] Furthermore, a pair of flotation chambers 11 are provided in the flotation box 1, the top of the flotation chamber 11 is provided with an opening, and the stirring member 4 is rotatably connected inside, the flotation chamber 11 is communicated with the original ore slurry box 2 through a conveying pipe 12, and a discharge port is provided at the bottom through the conveying pipe 12, an electric valve is provided in the conveying pipe 12, and the reagent box 7 is communicated with the original ore slurry box 2 through a discharge pipe 71, and a one-way valve is provided in the discharge pipe 71.

[0026] It should be noted that the stirring member 4 including the interconnected air inlet pipe provided at the top and the guide impeller provided at the bottom are all prior art and are not described in detail. The reagent box 7 is used to add a foaming agent in the flotation chamber 11, and a large amount of foam is generated by stirring under the action of the stirring member 4, and finally the concentrate wrapped in the foam is scraped out by the defoaming member 5.

[0027] Furthermore, the driving assembly 6 includes a first motor 61 fixedly mounted on the top of the flotation box 1, a driving sprocket 62 is fixedly mounted on the shaft end of the first motor 61, a pair of driven sprockets 63 are fixedly mounted on the top of the agitating elements 4, and a transmission chain 64 is sleeved between the driving sprocket 62 and the pair of driven sprockets 63.

[0028] Specifically, the first motor 61 drives the driving sprocket 62 to cooperate with a pair of transmission chains 64 to drive a pair of driven sprockets 63, thereby achieving the function of driving a pair of agitators 4 to rotate at the same time.

[0029] In more detail, a second motor 65 is fixedly mounted on one side of the top of the flotation box 1, and the defoaming member 5 is rotatably connected to the top of the flotation box 1 at an opening. A driving pulley 66 is fixedly mounted on the shaft end of the second motor 65, and a driven pulley 67 is fixedly mounted on the shaft end of the defoaming member 5. A transmission belt 68 is sleeved between the driving pulley 66 and the driven pulley 67.

[0030] The specific operation is that the second motor 65 drives the active pulley 66 to cooperate with the transmission belt 68 to drive the driven pulley 67 to rotate, thereby driving the defoaming member 5 to rotate;

[0031] The stirring element 4 is used to stir the foaming agent and the raw ore pulp, and then the concentrate wrapped in the foam is discharged through the defoaming element 5 to achieve flotation.

[0032] In general, the metering component 8 includes a partition 81 slidably connected inside the medicine box 7, a plurality of through holes 82 are penetrated through the end face of the partition 81, and a screw rod 83 is eccentrically threadedly connected to the end face, the top of the screw rod 83 is rotatably connected to the medicine box 7 and a worm gear 84 is fixedly installed thereon, a piston rod 72 is slidably connected inside the medicine box 7, and the partition 81 can stop the piston rod 72.

[0033] It is worth mentioning that the side of the medicine box 7 is provided with an infusion tube connected to the medicine tank, and a one-way valve is provided in the infusion tube. The one-way valve is opposite to the one-way valve in the feeding tube 71. The medicine is extracted by the action of the piston rod 72, and the partition 81 can stop the piston rod 72 and limit the piston rod 72 to achieve a quantitative effect.

[0034] The through hole 82 can be used without affecting the drainage of the piston rod 72 . The advantage of the eccentric threaded connection of the screw rod 83 is that it prevents the partition 81 from rotating with the screw rod 83 . In addition, the top of the screw rod 83 is rotatably connected to the medicine box 7 .

[0035] In addition, a fixed seat 85 is fixedly installed on the top of the medicine box 7, a worm 86 is rotatably connected inside the fixed seat 85, the worm wheel 84 rotates in meshing engagement with the worm 86, a fixed clamping seat 87 is fixedly installed on one end of the worm 86, and a movable clamping seat 88 is slidably connected inside the fixed seat 85, and the movable clamping seat 88 can clamp the fixed clamping seat 87.

[0036] Finally, an unlocking rod 89 is fixedly installed on the side of the movable clamping seat 88, and a spring 891 is provided on the outer periphery of the unlocking rod 89. The two ends of the spring 891 respectively contact the side of the movable clamping seat 88 and the inner side of the fixed seat 85. The unlocking rod 89 is slidingly connected to the fixed seat 85 and rotatably connected to the end of the worm gear 86.

[0037] The specific operation is, firstly, because the rotation of the worm 86 can drive the worm wheel 84 to rotate, the worm 86 drives the screw 83 to rotate to adjust the height of the partition 81;

[0038] Afterwards, the movable clamping seat 88 is supported by the spring 891 and is locked with the fixed clamping seat, and the worm 86 cannot rotate, thereby preventing accidental touch. Then, by pulling the unlocking lever 89, the movable clamping seat 88 is retracted into the fixed seat 85 and separated from the fixed clamping seat 87, so that the worm 86 can be rotated.

[0039] It should be noted that the unlocking rod 89 is a square rod to prevent the worm 86 from rotating at will, and the medicine box 7 includes a shell and a top cover, the fixing seat 85 is fixedly installed on the top cover, and the top cover is threadedly connected to the shell. By disassembling the top cover, the piston rod 72, the partition 81 and other components can be taken out, so as to facilitate the injection of water into the shell to extract the foaming agent.

[0040] Working mode: When working, pull the unlocking rod 89 to retract the movable card seat 88 into the fixed seat 85 and disengage from the fixed card seat 87, rotate the worm 86 to drive the worm wheel 84 to drive the screw 83 to rotate, adjust the height of the partition 81, and then inject the foaming agent into the original ore pulp box 2 by reciprocating the piston rod 72;

[0041] Then, the raw ore pulp and the foaming agent are transported to the flotation chamber 11 through the conveying pipe 12, and the first motor 61 drives the driving sprocket 62 to cooperate with a pair of transmission chains 64 to drive a pair of driven sprockets 63 and drive the pair of stirring members 4 to rotate;

[0042] Afterwards, the second motor 65 drives the active pulley 66 to cooperate with the transmission belt 68 to drive the driven pulley 67 to rotate, discharge the foam and concentrate, and the tailings are discharged from the conveying pipe 12.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flotation machine for low-grade barite, comprising a flotation box (1) and a raw ore slurry box (2), characterized in that: The raw ore slurry box (2) is fixedly mounted on the side of the flotation box (1) via a support frame (3); a stirring member (4) and a defoaming member (5) are provided inside and on the top of the flotation box (1); and a driving assembly (6) is provided on the top of the flotation box, and the driving assembly (6) is used to drive the stirring member (4) and the defoaming member (5) to rotate; Wherein, a reagent box (7) is provided on the top of the raw ore slurry box (2), and a quantitative component (8) for controlling the addition of a foaming agent is provided in the reagent box (7).

2. A flotation machine for low-grade barite according to claim 1, characterized in that: The flotation box (1) is provided with a pair of flotation chambers (11), the top of the flotation chamber (11) is provided with an opening, and the stirring member (4) is rotatably connected inside the chamber, the flotation chamber (11) is communicated with the raw ore slurry box (2) through a conveying pipe (12), and a discharge port is provided at the bottom through the conveying pipe (12), an electric valve is provided in the conveying pipe (12), and the reagent box (7) is communicated with the raw ore slurry box (2) through a discharge pipe (71), and a one-way valve is provided in the discharge pipe (71).

3. A flotation machine for low-grade barite according to claim 1, characterized in that: The driving assembly (6) comprises a first motor (61) fixedly mounted on the top of the flotation box (1), a driving sprocket (62) fixedly mounted on the shaft end of the first motor (61), a driven sprocket (63) fixedly mounted on the top of a pair of the stirring members (4), and a transmission chain (64) sleeved between the driving sprocket (62) and the pair of driven sprockets (63).

4. A flotation machine for low-grade barite according to claim 3, characterized in that: A second motor (65) is fixedly mounted on one side of the top of the flotation box (1), and the defoaming member (5) is rotatably connected to the top of the flotation box (1) at an opening. A driving pulley (66) is fixedly mounted on the shaft end of the second motor (65), and a driven pulley (67) is fixedly mounted on the shaft end of the defoaming member (5). A transmission belt (68) is sleeved between the driving pulley (66) and the driven pulley (67).

5. A flotation machine for low-grade barite according to claim 1, characterized in that: The quantitative component (8) comprises a partition (81) slidably connected inside the medicine box (7), a plurality of through holes (82) are penetrated through the end surface of the partition (81), and a threaded rod (83) is eccentrically threadedly connected to the end surface, the top of the threaded rod (83) is rotatably connected to the medicine box (7) and fixedly mounted with a worm gear (84), a piston rod (72) is slidably connected inside the medicine box (7), and the partition (81) can stop the piston rod (72).

6. A flotation machine for low-grade barite according to claim 5, characterized in that: A fixed seat (85) is fixedly installed on the top of the medicine box (7), a worm (86) is rotatably connected inside the fixed seat (85), the worm wheel (84) is meshed and rotated with the worm (86), a fixed clamping seat (87) is fixedly installed on one end of the worm (86), and a movable clamping seat (88) is slidably connected inside the fixed seat (85), and the movable clamping seat (88) can clamp the fixed clamping seat (87).

7. A flotation machine for low-grade barite according to claim 6, characterized in that: An unlocking lever (89) is fixedly mounted on the side of the movable clamping seat (88), and a spring (891) is sleeved on the outer periphery of the unlocking lever (89). The two ends of the spring (891) respectively contact the side of the movable clamping seat (88) and the inner side of the fixed seat (85). The unlocking lever (89) is slidably connected to the fixed seat (85) and is rotationally connected to the end of the worm (86).

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