Ionic liquid phase extraction and recovery device for metal ions

Abstract

The utility model relates to the technical field of extraction and recovery devices, and discloses an ionic liquid liquid phase extraction and recovery device for metal ions, which solves the problems of low extraction speed and low extraction efficiency of the existing extraction device, and comprises an extraction box, an ionic liquid inlet pipe and an extraction agent inlet pipe are arranged on the two sides of one end of the top of the extraction box respectively, a first liquid discharge pipe and a second liquid discharge pipe are arranged on the two sides of the bottom of the other end of the extraction box respectively, valves are arranged on the first liquid discharge pipe and the second liquid discharge pipe respectively, and a strip-shaped shell is fixedly arranged in the middle of the top end of the extraction box; a power source is fixedly arranged at one end of the top of the strip-shaped shell, a strip-shaped electric shock plate and a driving mechanism are arranged in the strip-shaped shell, the strip-shaped electric shock plate is connected with the power source through a plurality of cables, a stirring type electrode plate connected with the driving mechanism is arranged in the extraction box, and a plurality of vertical grooves are formed in the stirring type electrode plate; the extraction recovery device can effectively improve the extraction efficiency and shorten the extraction time.

Description

Technical Field

[0001] The utility model belongs to the technical field of extraction recovery devices, in particular to an ionic liquid liquid phase extraction recovery device for metal ions. Background Art

[0002] Heavy metal wastewater treatment, rare metal extraction, tailings recovery and regeneration in hydrometallurgical technology and other production industries will discharge a large amount of ionic liquids containing metal ions, so the metal ions need to be recycled and reused.

[0003] At present, the recovery of ionic liquids usually adopts the extraction method, and most of the currently used extraction devices directly react the extracting liquid with the ionic liquid to achieve the extraction work, which has the disadvantages of slow extraction speed and low extraction efficiency. It is difficult to quickly extract and recover a large amount of ionic liquids, and the use effect is not good. Therefore, the present application proposes an ionic liquid liquid phase extraction and recovery device for metal ions to improve the efficiency of ionic liquid extraction and recovery. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an ionic liquid liquid phase extraction and recovery device for metal ions, which effectively solves the problems of slow extraction speed and low extraction efficiency of the existing extraction devices.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ionic liquid liquid phase extraction and recovery device for metal ions, comprising an extraction box, wherein an ionic liquid inlet pipe and an extractant inlet pipe are respectively arranged on both sides of one end of the top of the extraction box, and a first drain pipe and a second drain pipe are respectively arranged on both sides of the bottom of the other end of the extraction box, and valves are arranged on the first drain pipe and the second drain pipe, a strip shell is fixedly arranged in the middle position of the top of the extraction box, a power supply is fixedly arranged at one end of the top of the strip shell, a strip contact plate and a driving mechanism are arranged inside the strip shell, the strip contact plate is connected to the power supply through a plurality of cables, a stirring electrode plate connected to the driving mechanism is arranged inside the extraction box, and a plurality of vertical grooves are opened on the stirring electrode plate.

[0006] Preferably, the driving mechanism is composed of a sealed box body, a servo motor, bevel gear one, bevel gear two, a rotating shaft, a driving gear and a rack. The sealed box body is slidably connected to the interior of the strip-shaped shell, the servo motor is fixedly connected to one end inside the sealed box body, bevel gear one is fixedly connected to the output shaft of the servo motor, the rotating shaft is inserted into the sealed box body and is rotatably connected to the sealed box body through a bearing, bevel gear two is fixedly connected to the top of the rotating shaft and meshingly connected to bevel gear one, the driving gear is fixedly connected to one end of the rotating shaft close to bevel gear two, the rack is fixedly connected to the top of the interior of the strip-shaped shell and meshingly connected to the driving gear, and the stirring electrode plate is fixedly connected to the bottom end of the side of the rotating shaft.

[0007] Preferably, the bottom ends of both sides of the sealed box body are fixedly provided with limiting slide plates, and the top end of the sealed box body is provided with a plurality of elastic metal contact pieces matching the strip-shaped contact plates.

[0008] Preferably, limiting sliding sleeves matching the limiting sliding plates are fixedly arranged at the bottom ends of both sides inside the strip-shaped housing.

[0009] Preferably, the extraction box is composed of a heat-insulating outer shell and an electric heating inner layer, and the electric heating inner layer is fixedly connected to the inner surface of the heat-insulating outer shell.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) During operation, by providing a power supply and a stirring electrode plate, an electric field can be applied to the ionic liquid, thereby utilizing the electric field to improve the extraction efficiency. By providing a driving mechanism consisting of a sealed box body, a servo motor, a first bevel gear, a second bevel gear, a rotating shaft, a driving gear and a rack, the stirring electrode plate can be driven to move and rotate at the same time, thereby achieving full mixing of the ionic solution and the extractant, further improving the extraction efficiency.

[0012] (2) By providing a limiting slide plate and a limiting sleeve, the sealed box body can be supported and limited to improve its stability. By providing an elastic metal contact sheet and a strip contact plate, continuous conduction can be achieved. By providing an extraction box composed of a heat-insulating outer shell and an electric heating inner layer, the mixed solution can be heated to improve the extraction efficiency, while having heat-insulating and insulating properties. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of the ionic liquid liquid phase extraction and recovery device for metal ions of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the ionic liquid liquid phase extraction recovery device for metal ions of the utility model;

[0017] Figure 3 This is one of the schematic diagrams of the connection structure between the driving mechanism and the stirring electrode plate of the utility model;

[0018] Figure 4 This is the second schematic diagram of the connection structure between the driving mechanism and the stirring electrode plate of the utility model;

[0019] Figure 5 This is a schematic diagram of the sealing box structure of the utility model;

[0020] In the figure: 1. extraction box; 2. ionic liquid inlet pipe; 3. extractant inlet pipe; 4. first discharge pipe; 5. second discharge pipe; 6. valve; 7. strip shell; 8. power supply; 9. strip contact plate; 10. driving mechanism; 11. cable; 12. stirring electrode plate; 13. vertical groove; 14. sealing box body; 15. servo motor; 16. bevel gear one; 17. bevel gear two; 18. rotating shaft; 19. driving gear; 20. rack; 21. limit slide plate; 22. elastic metal contact sheet; 23. limit sliding sleeve; 24. heat-insulating outer shell; 25. electric heating inner layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Depend on Figures 1 to 4 The utility model provides an ionic liquid liquid phase extraction and recovery device for metal ions, comprising an extraction box 1, wherein an ionic liquid inlet pipe 2 and an extractant inlet pipe 3 are respectively arranged on both sides of one end of the top of the extraction box 1, and a first drain pipe 4 and a second drain pipe 5 are respectively arranged on both sides of the bottom of the other end of the extraction box 1, and valves 6 are arranged on the first drain pipe 4 and the second drain pipe 5, and a strip shell 7 is fixedly arranged at the middle position of the top of the extraction box 1, and a power supply 8 is fixedly arranged at one end of the top of the strip shell 7, and a strip contact plate 9 and a driving mechanism 10 are arranged inside the strip shell 7, and the strip contact plate 9 is connected to the power supply 8 through a plurality of cables 11, and a stirring electrode plate 12 connected to the driving mechanism 10 is arranged inside the extraction box 1, and a plurality of vertical grooves 13 are opened on the stirring electrode plate 12;

[0023] When in use, the ionic liquid is introduced into the interior of the extraction box 1 through the ionic liquid inlet pipe 2, and the extract is introduced into the interior of the extraction box 1 through the extractant inlet pipe 3. The driving mechanism 10 and the stirring electrode plate 12 are powered by the power supply 8. The driving mechanism 10 drives the stirring electrode plate 12 to move and rotate to achieve a stirring effect. The stirring electrode plate 12 can apply an electric field to the mixed solution, thereby improving the extraction efficiency. The vertical groove 13 can allow the mixed solution to pass through, reduce resistance, and increase the stirring effect.

[0024] Depend on Figures 1 to 4It is given that the driving mechanism 10 is composed of a sealed box body 14, a servo motor 15, a bevel gear 16, a bevel gear 2 17, a rotating shaft 18, a driving gear 19 and a rack 20. The sealed box body 14 is slidably connected to the inside of the strip housing 7, the servo motor 15 is fixedly connected to one end inside the sealed box body 14, the bevel gear 16 is fixedly connected to the output shaft of the servo motor 15, the rotating shaft 18 is inserted into the sealed box body 14 and is rotatably connected to the sealed box body 14 through a bearing, the bevel gear 2 17 is fixedly connected to the top of the rotating shaft 18 and meshed with the bevel gear 16, the driving gear 19 is fixedly connected to one end of the rotating shaft 18 close to the bevel gear 2 17, the rack 20 is fixedly connected to the top of the inside of the strip housing 7 and meshed with the driving gear 19, and the stirring electrode plate 12 is fixedly connected to the bottom end of the side of the rotating shaft 18;

[0025] When the driving mechanism 10 is working, the servo motor 15 drives the bevel gear 1 16 to rotate, the bevel gear 1 16 drives the bevel gear 2 17 to rotate, the bevel gear 2 17 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the driving gear 19 and the stirring electrode plate 12 to rotate, the driving gear 19 moves relative to the rack 20, thereby driving the stirring electrode plate 12 to move, and the reciprocating motion can be achieved by controlling the forward and reverse rotation of the servo motor 15. The stirring effect can be improved by the rotation and movement of the stirring electrode plate 12, and the extraction efficiency can be further increased;

[0026] Depend on Figure 2 , Figure 3 and Figure 5 It is shown that the bottom ends of both sides of the sealed box body 14 are fixedly provided with limit slide plates 21, the top of the sealed box body 14 is provided with a plurality of elastic metal contact pieces 22 matching the strip contact plate 9, and the bottom ends of both sides of the inner side of the strip housing 7 are fixedly provided with limit sleeves 23 matching the limit slide plates 21;

[0027] When the sealed box body 14 moves, the limiting slide plate 21 and the limiting sleeve 23 are used to support and limit the sealed box body 14, thereby improving the stability. The elastic metal contact sheet 22 is in contact with the strip contact plate 9, thereby supplying power to the driving mechanism 10 and the stirring electrode plate 12.

[0028] Depend on Figure 1 and Figure 2 It is given that the extraction box 1 is composed of a heat-insulating outer shell 24 and an electric heating inner layer 25, and the electric heating inner layer 25 is fixedly connected to the inner surface of the heat-insulating outer shell 24;

[0029] The mixed solution can be heated by the electrically heated inner layer 25 to improve the extraction efficiency, and the heat-insulating outer shell 24 can achieve the effect of heat insulation.

[0030] During operation, by providing a power supply and a stirring electrode plate, an electric field can be applied to the ionic liquid, thereby utilizing the electric field to improve the extraction efficiency; by providing a driving mechanism consisting of a sealed box body, a servo motor, bevel gear one, bevel gear two, a rotating shaft, a driving gear and a rack, the stirring electrode plate can be driven to move and rotate at the same time, thereby achieving full mixing of the ionic solution and the extractant, further improving the extraction efficiency; by providing a limiting slide plate and a limiting sleeve, the sealed box body can be supported and limited to improve its stability; by providing an elastic metal contact sheet and a strip contact plate, continuous conduction can be achieved; by providing an extraction box consisting of a heat-insulating outer shell and an electric heating inner layer, the mixed solution can be heated to improve the extraction efficiency, while having heat-insulating properties.

Claims

1. An ionic liquid liquid phase extraction and recovery device for metal ions, comprising an extraction box (1), characterized in that: An ionic liquid inlet pipe (2) and an extractant inlet pipe (3) are respectively arranged on both sides of one end of the top of the extraction box (1); a first liquid discharge pipe (4) and a second liquid discharge pipe (5) are respectively arranged on both sides of the bottom of the other end of the extraction box (1); valves (6) are arranged on the first liquid discharge pipe (4) and the second liquid discharge pipe (5); a strip housing (7) is fixedly arranged in the middle position of the top of the extraction box (1); a power source (8) is fixedly arranged at one end of the top of the strip housing (7); a strip contact plate (9) and a driving mechanism (10) are arranged inside the strip housing (7); the strip contact plate (9) is connected to the power source (8) via a plurality of cables (11); a stirring electrode plate (12) connected to the driving mechanism (10) is arranged inside the extraction box (1); and a plurality of vertical grooves (13) are provided on the stirring electrode plate (12).

2. The ionic liquid liquid phase extraction and recovery device for metal ions according to claim 1, characterized in that: The driving mechanism (10) is composed of a sealed box body (14), a servo motor (15), a bevel gear 1 (16), a bevel gear 2 (17), a rotating shaft (18), a driving gear (19) and a rack (20); the sealed box body (14) is slidably connected to the inside of the bar-shaped housing (7); the servo motor (15) is fixedly connected to one end of the sealed box body (14); the bevel gear 1 (16) is fixedly connected to the output shaft of the servo motor (15); the rotating shaft (18) is inserted into the sealed box body (14) and the driving gear (19) is inserted into the sealed box body (14). The box body (14) is rotatably connected to the sealed box body (14) through a bearing, the second bevel gear (17) is fixedly connected to the top of the rotating shaft (18) and meshed with the first bevel gear (16), the driving gear (19) is fixedly connected to one end of the rotating shaft (18) close to the second bevel gear (17), the rack (20) is fixedly connected to the top of the inside of the strip-shaped housing (7) and meshed with the driving gear (19), and the stirring electrode plate (12) is fixedly connected to the bottom end of the side of the rotating shaft (18).

3. The ionic liquid liquid phase extraction and recovery device for metal ions according to claim 2, characterized in that: Limiting slide plates (21) are fixedly arranged at the bottom ends of both sides of the sealing box body (14), and a plurality of elastic metal contact sheets (22) matching the strip-shaped contact plates (9) are arranged at the top end of the sealing box body (14).

4. The ionic liquid liquid phase extraction and recovery device for metal ions according to claim 3, characterized in that: The bottom ends of both sides of the strip-shaped housing (7) are fixedly provided with limiting sliding sleeves (23) matching the limiting sliding plates (21).

5. The ionic liquid liquid phase extraction and recovery device for metal ions according to claim 1, characterized in that: The extraction box (1) is composed of a heat-insulating outer shell (24) and an electric heating inner layer (25), and the electric heating inner layer (25) is fixedly connected to the inner surface of the heat-insulating outer shell (24).

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