Flow choking device of zinc electrolytic cell

Abstract

The utility model discloses a choked flow device of a zinc electrolytic bath, which comprises an electrolytic bath, an electrolyte inlet is arranged above one side of the electrolytic bath, an electrolyte outlet is arranged below the other side of the electrolytic bath, and a fixed choked flow plate and a movable choked flow plate are sequentially arranged at one end of the inner wall of the electrolytic bath close to the electrolyte inlet. The fixed spoiler is fixed between the two ledges in a gapless mode, a gap is reserved between the fixed spoiler and the groove bottom face, the number of the movable spoilers is at least two, the movable spoilers can be installed between the two ledges in an up-down adjusting mode through adjusting assemblies, and gaps are reserved between the movable spoilers and the groove bottom face. The fixed spoiler and the movable spoiler are arranged, and the movable spoiler can be adjusted up and down, so that the flow velocity of electrolyte is effectively slowed down, the electrolyte is more uniform, particles and anode mud enter the bottom of the electrolytic bath and are discharged, the influence of impurities and particulate matters on the electrolytic process is reduced, and the electrolytic efficiency is improved. Therefore, the phenomena that the zinc sheet grows dendritic crystals, or the zinc sheet is thinned, impurities exceed the standard and the like are reduced, and the electrolysis current efficiency, the product quality and the yield are improved.

Description

Technical Field

[0001] This utility model belongs to the field of electrolysis technology in the metallurgical industry, and specifically relates to a flow-blocking device for a zinc electrolytic cell. Background Technology

[0002] Impurities and particulate matter in the electrolyte, such as undissolved solids, suspended matter, and tiny particles that may be generated by equipment wear, can deposit on the electrode surface during electrolysis, forming an obstructive layer that affects the normal reduction of zinc ions. This not only leads to uneven zinc sheet thickness and thinning, but may also promote dendrite growth. Dendrites are tree-like structures formed by the abnormal deposition of zinc ions on the electrode surface. They can damage the flatness of the zinc sheet, reduce product quality, and in severe cases, even cause short circuits in the electrolytic cell, posing a threat to production safety.

[0003] Currently, some solutions exist to address the issues of high zinc electrolyte flow rates and numerous impurities and particulate matter, such as improving electrolyte purification and optimizing electrolytic cell structure. However, these methods often suffer from operational complexity, high costs, or limited effectiveness in practical applications. Utility Model Content

[0004] This invention provides a flow-blocking device for a zinc electrolytic cell to solve the problems existing in the background art.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0006] A flow-blocking device for a zinc electrolytic cell includes an electrolytic cell with an electrolyte inlet on one side above and an electrolyte outlet on the other side below. A fixed flow-blocking plate and a movable flow-blocking plate are sequentially arranged on the inner wall of the electrolytic cell near the electrolyte inlet. The fixed flow-blocking plate is fixed seamlessly between the two sides of the cell and leaves a gap with the bottom surface. There are at least two movable flow-blocking plates, each adjustable vertically between the two sides of the cell via an adjustment assembly, and each also leaves a gap with the bottom surface.

[0007] Preferably, the adjusting assembly includes a support rod, which is fixed to the top of the electrolytic cell by bolts. The support rod is rotatably connected to a threaded rod, which passes through the support rod. At least two of the movable baffles are fixedly provided with threaded sleeves on one side. One end of the threaded rod is threadedly connected to the threaded sleeve, and the other end of the threaded rod is fixedly connected to a turntable, which is fixedly connected to a handle.

[0008] Preferably, the two opposing sides of the groove are provided with a sliding groove, and the movable baffle is slidably connected to the sliding groove.

[0009] Preferably, both the fixed flow baffle and the movable flow baffle are perpendicular to the bottom surface of the electrolytic cell.

[0010] Preferably, two fixed base plates are symmetrically fixed at the bottom of the electrolytic cell, and four support legs are symmetrically arranged on the two fixed base plates.

[0011] Preferably, the four support legs are threadedly connected to the fixed base plate via adjusting screws.

[0012] Preferably, adjusting nuts are threaded onto the adjusting screw at positions on both sides of the fixed base plate.

[0013] Preferably, the adjusting component, the fixed baffle, and the movable baffle are all made of corrosion-resistant materials.

[0014] This utility model has the following beneficial effects:

[0015] (1) By setting fixed baffles and movable baffles, the flow rate of electrolyte is effectively slowed down, making the electrolyte more uniform. At the same time, particles and anode mud are allowed to enter the bottom of the electrolytic cell and be discharged directly, reducing the impact of impurities and particles on the electrolysis process. This reduces phenomena such as zinc sheet dendrite growth, zinc sheet thinning, and excessive impurities, thereby improving the current efficiency, product quality, and yield of electrolysis.

[0016] (2) The height adjustability of the movable baffle plate enables the device to adapt to electrolytes with different flow rates and impurity contents, achieving a more refined flow choking effect.

[0017] (3) The selection of corrosion-resistant materials ensures that the device can operate stably for a long time in harsh electrolysis environments, thus extending its service life. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the adjustment component structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the support structure of this utility model.

[0022] In the diagram, 1-electrolytic cell, 2-electrolyte inlet, 3-electrolyte outlet, 4-fixed baffle plate, 5-movable baffle plate, 6-support rod, 7-bolt, 8-threaded rod, 9-threaded sleeve, 10-turntable, 11-handle, 12-slide groove, 13-fixed base plate, 14-support leg, 15-adjusting screw, 16-adjusting nut. Detailed Implementation

[0023] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] A flow-blocking device for a zinc electrolytic cell includes an electrolytic cell 1, which serves as the main body of the flow-blocking device. The electrolytic cell 1 is rectangular in shape, with an electrolyte inlet 2 on one upper side for receiving zinc electrolyte from upstream, and an electrolyte outlet 3 on the other lower side for discharging the electrolyte after flow-blocking treatment downstream. The inner wall of the electrolytic cell 1 is smooth to reduce the flow resistance of the electrolyte. A fixed flow-blocking plate 4 and a movable flow-blocking plate 5 are sequentially arranged on the inner wall of the electrolytic cell 1 near the electrolyte inlet 2. The fixed flow baffle 4 is fixed seamlessly between the two tank sides and leaves a gap with the bottom of the tank to slow down the electrolyte flow rate. In this embodiment, the movable flow baffle 5 is set to two pieces. The two movable flow baffles 5 can be adjusted up and down between the two tank sides through the adjustment component and leave a gap with the bottom of the tank. In actual production, the number of movable flow baffles 5 and adjustment components can be appropriately increased. The gap between the movable flow baffle 5 and the bottom of the tank can be adjusted according to the actual electrolyte flow rate and impurity conditions to achieve a more refined flow obstruction effect.

[0025] The adjustment assembly includes a support rod 6, a threaded rod 8, a threaded sleeve 9, a turntable 10, and a handle 11. The support rod 6 is fixed to the top of the electrolytic cell 1 by bolts 7, which facilitates its installation and disassembly and allows for regular maintenance and replacement of the movable baffles 5. The support rod 6 is rotatably connected to the threaded rod 8, which passes through the support rod 6. At least two movable baffles 5 are fixed to one side with threaded sleeves 9. One end of the threaded rod 8 is threadedly connected to the threaded sleeve 9. Through the threaded connection between the threaded rod 8 and the threaded sleeve 9, the movable baffles 5 can be limited after adjustment to prevent them from sliding up and down. The other end of the threaded rod 8 is fixedly connected to the turntable 10, and the turntable 10 is fixedly connected to the handle 11 for easy rotation by the operator.

[0026] Furthermore, to ensure the smoothness and stability of the movable baffle 5 during the up-and-down adjustment process, a sliding groove 12 is provided on the two opposite sides of the groove, and the movable baffle 5 is slidably connected to the sliding groove 12.

[0027] Specifically, in order to achieve a better flow obstruction effect, both the fixed flow obstruction plate 4 and the movable flow obstruction plate 5 are perpendicular to the bottom surface of the electrolytic cell 1.

[0028] Specifically, in order to support and adjust the height of the electrolytic cell 1, two fixed base plates 13 are symmetrically fixed at the bottom of the electrolytic cell 1. Four support legs 14 are symmetrically arranged on the two fixed base plates 13. The four support legs 14 are threaded to the fixed base plates 13 by adjusting screws 15. Adjusting nuts 16 are threaded to the adjusting screws 15 on both sides of the fixed base plates 13. The adjusting nuts 16 can ensure a stable connection between the adjusting screws 15 and the fixed base plates 13 when the adjusting screws 15 are adjusted to the specified position, so as to prevent the support legs 14 from becoming loose during operation.

[0029] Furthermore, in order to increase the overall service life of the device, the adjustment component, the fixed baffle plate 4 and the movable baffle plate 5 are all made of corrosion-resistant materials.

[0030] Working principle

[0031] First, the movable baffle plate 5 is adjusted according to actual production needs. The adjustment process is as follows: by rotating the turntable 10 with the handle 11, the threaded rod 8 rotates with the turntable 10, causing the threaded sleeve 9 to move up and down, thereby moving the movable baffle plate 5 up and down, thus adjusting the distance between the movable baffle plate 5 and the top of the electrolytic cell. Under the action of the fixed baffle plate 4, the speed at which the zinc electrolyte enters the electrolytic cell 1 is slowed down. After passing through the fixed baffle plate 4, a small amount of electrolyte passes through the bottom of the first movable baffle plate 5, while a large amount of solution moves upward in the cell and passes through the top of the first movable baffle plate 5. After passing through the first movable baffle plate 5, a small amount of electrolyte passes through the second movable baffle plate 5. As the solution flows upward through the bottom of the electrolytic cell, it passes over the top of the second movable baffle plate 5. The combined effect of these baffles slows down the electrolyte flow rate within the electrolytic cell 1, and some particles settle directly to the bottom under the influence of the baffles. This reduces particulate matter during electrolysis and ensures even distribution of the electrolyte. When the movable baffle plate 5 is adjusted to be flush with the top of the electrolytic cell, the electrolyte flow rate at the bottom increases, allowing it to carry more particles for horizontal flow. When the movable baffle plate 5 is adjusted to a certain distance from the top of the electrolytic cell, some electrolyte overflows from the top of the movable baffle plate 5, making the solution more uniform. This achieves the goals of controlling the electrolyte flow rate at the bottom and controlling impurities in the solution within the electrolytic cell 1.

Claims

1. A flow-blocking device for a zinc electrolytic cell, characterized in that, The electrolytic cell (1) includes an electrolyte inlet (2) on one side above the electrolytic cell (1) and an electrolyte outlet (3) on the other side below the electrolytic cell (1). A fixed flow baffle (4) and a movable flow baffle (5) are sequentially arranged on the inner wall of the electrolytic cell (1) near the end of the electrolyte inlet (2). The fixed flow baffle (4) is fixed between the two sides of the tank without gap and leaves a gap with the bottom of the tank. There are at least two movable flow baffles (5). At least two movable flow baffles (5) can be adjusted up and down between the two sides of the tank by adjusting components and leave a gap with the bottom of the tank.

2. The flow-blocking device for the zinc electrolytic cell according to claim 1, characterized in that, The adjustment assembly includes a support rod (6), which is fixed to the top of the electrolytic cell (1) by bolts (7). The support rod (6) is rotatably connected to a threaded rod (8), which passes through the support rod (6). At least two movable baffles (5) are fixedly provided with threaded sleeves (9) on one side. One end of the threaded rod (8) is threadedly connected to the threaded sleeve (9), and the other end of the threaded rod (8) is fixedly connected to a turntable (10). The turntable (10) is fixedly connected to a handle (11).

3. The flow-blocking device for the zinc electrolytic cell according to claim 1, characterized in that, The two opposing sides of the groove are provided with a sliding groove (12), and the movable baffle plate (5) is slidably connected to the sliding groove (12).

4. The flow-blocking device for the zinc electrolytic cell according to claim 1, characterized in that, Both the fixed flow barrier (4) and the movable flow barrier (5) are perpendicular to the bottom surface of the electrolytic cell (1).

5. The flow-blocking device for the zinc electrolytic cell according to claim 1, characterized in that, The bottom of the electrolytic cell (1) is symmetrically fixed with two base plates (13), and the two base plates (13) are symmetrically provided with four legs (14).

6. The flow-blocking device for the zinc electrolytic cell according to claim 5, characterized in that, The four legs (14) are threaded to the fixed base plate (13) via adjusting screws (15).

7. The flow-blocking device for the zinc electrolytic cell according to claim 6, characterized in that, Adjusting nuts (16) are threaded onto the adjusting screw (15) on both sides of the fixed base plate (13).

8. The flow-blocking device for the zinc electrolytic cell according to claim 1, characterized in that, The regulating components, fixed baffle (4) and movable baffle (5) are all made of corrosion-resistant materials.

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