Electrolysis device
By spraying electrolyte at the bottom of the electrolytic cell and adjusting the liquid level, the problem of uneven electrolyte distribution was solved, the electrolysis effect was improved, and the yield and quality of copper were ensured.
Patent Information
- Application Number
- CN202520391056.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing electrolyte circulation methods can lead to uneven electrolyte concentration or temperature distribution when the electrolytic cell is large, affecting the electrolysis effect and consequently the yield and quality of copper.
An electrolysis device is used, including an electrolytic cell, an inlet pipe, and a liquid level regulating component. The outlet of the inlet pipe is located at the bottom of the inlet area, spraying electrolyte into two circulation areas. The liquid level regulating component adjusts the liquid level of the electrolyte to optimize the circulation space and distribution of the electrolyte.
By optimizing the electrolyte circulation space and level regulation, the concentration and temperature distribution of the electrolyte are made more uniform, improving the electrolysis effect and enhancing the yield and quality of copper.
Smart Images
Figure CN223892887U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of metal refining technology, specifically relating to an electrolysis apparatus. Background Technology
[0002] Currently, copper refining is typically achieved through electrolysis. Specifically, a crude copper plate is used as the anode, a stainless steel plate as the cathode, and a mixture of sulfuric acid and copper sulfate as the electrolyte. When electricity is applied, copper dissolves at the anode into copper ions, which migrate towards the cathode. Upon reaching the cathode, they gain electrons and are deposited as pure copper.
[0003] During electrolysis, the electrolyte needs to be circulated. Current electrolyte circulation methods are typically top-in, bottom-out and bottom-in, top-out. Top-in, bottom-out involves the electrolyte entering from the top of one end of the electrolytic cell and flowing downwards to the bottom of the other end, where it is discharged through an outlet bag or channel. Bottom-in, top-out involves the electrolyte entering from the bottom of one end of the electrolytic cell and flowing upwards to the top of the other end, where it is discharged through an overflow port. When the electrolytic cell is large, the top-in, bottom-out method suffers from a significant concentration difference between the upper and lower electrolyte layers, while the bottom-in, top-out method suffers from uneven temperature distribution. Both current electrolyte circulation methods lead to compromised electrolysis efficiency as the size of the electrolytic cell increases, affecting copper yield and quality. Utility Model Content
[0004] The technical problem to be solved by this application is that when the internal size of the electrolytic cell is large, the existing electrolyte circulation method will lead to uneven electrolyte concentration or temperature distribution, resulting in the inability to guarantee the electrolysis effect. In order to solve this technical problem, an electrolysis device with better electrolysis effect is provided.
[0005] The technical solution proposed in this application is as follows:
[0006] An electrolysis apparatus, comprising:
[0007] An electrolytic cell, with its interior comprising a first region, a liquid inlet region, and a second region arranged sequentially along its length;
[0008] The inlet pipe includes an outlet section, which is located at the bottom of the inlet area. The outlet section has outlets at both ends along the length of the electrolytic cell to spray electrolyte into the first area and the second area respectively.
[0009] Two sets of liquid level regulating components are disposed on the top of the electrolytic cell and located at both ends of the electrolytic cell along its length. The liquid level regulating components can discharge the electrolyte in the electrolytic cell and regulate the liquid level height of the electrolyte.
[0010] In the aforementioned electrolysis apparatus, the outlet of the inlet pipe is located at the bottom of the inlet area, spraying electrolyte into the first and second zones, and then overflowing from the level regulating components at both ends. The inlet is situated within the inlet area, and the two outlets face the first and second zones respectively, thus dividing the interior of the electrolytic cell into two circulation zones. This optimizes the electrolyte circulation space, improves circulation efficiency, and results in a more uniform concentration and temperature distribution across the upper, middle, and lower layers of the electrolyte. This circulation method allows for a larger electrolytic cell size while maintaining efficient circulation, thereby enhancing electrolysis and increasing copper yield and quality.
[0011] Meanwhile, by adjusting the electrolyte level in the electrolytic cell using the liquid level adjustment component, it is possible to match the inlet flow rate with the liquid level, that is, to adjust the liquid level according to the inlet flow rate (the jet speed at the outlet), so as to further improve the circulation effect of the electrolyte and thus improve the electrolysis effect.
[0012] Furthermore, the inlet pipe includes at least two outlet sections, which are spaced apart at the bottom of the inlet area along the width direction of the electrolytic cell.
[0013] Furthermore, the liquid inlet pipe also includes a liquid inlet section and at least two branch sections. The liquid inlet section is located at the top of the electrolytic cell. One end of each branch section is connected to the liquid inlet section, and the other end is connected to a corresponding liquid outlet section.
[0014] Furthermore, the branch extends along the inner wall of the electrolytic cell.
[0015] Furthermore, the length of the inside of the electrolytic cell is at least 6m.
[0016] Furthermore, the distance between the liquid outlet and the bottom wall of the electrolytic cell is 30~50mm.
[0017] Furthermore, the liquid level regulating assembly includes an regulating component, an inner cylinder, and an overflow pipe. The regulating component is disposed at the top of the electrolytic cell, and the inner cylinder is rotatably connected to the regulating component. The bottom of the inner cylinder is connected to the overflow pipe. An regulating window is provided on the side wall of the inner cylinder for the electrolyte in the electrolytic cell to pass through. The horizontal height of the lower edge of the regulating window gradually increases or decreases from one end to the other.
[0018] During the rotation of the inner cylinder, the adjusting component can block the adjusting window to adjust the liquid level of the electrolyte in the electrolytic cell.
[0019] Furthermore, the adjusting member is cylindrical and sleeved on the outside of the inner cylinder, and the bottom of the adjusting member is connected to the overflow pipe; the side wall of the adjusting member is provided with a liquid outlet window, which can communicate with the adjusting window during the rotation of the inner cylinder.
[0020] Furthermore, along the length of the electrolytic cell, the bottom wall inside the electrolytic cell is inclined relative to the horizontal direction;
[0021] The bottom wall inside the electrolytic cell is also provided with a sludge discharge port and a liquid discharge port. The sludge discharge port is located at the end with a lower horizontal height, and the liquid discharge port is at a higher horizontal height than the sludge discharge port.
[0022] Furthermore, the electrolysis device also includes multiple anode plates and multiple cathode plates, all of which are disposed within the electrolysis cell and are arranged alternately at intervals along the length of the electrolysis cell. Attached Figure Description
[0023] The accompanying drawings are provided to further understand this application and form part of the specification. They are used together with the embodiments of this application to explain this application and do not constitute a limitation thereof.
[0024] Figure 1 This is a schematic diagram of the structure of an electrolysis apparatus provided in an embodiment of this application;
[0025] Figure 2 for Figure 1 The diagram shows a top view of the electrolysis device after the anode and cathode plates have been removed.
[0026] Figure 3 for Figure 1 A schematic diagram of the electrolytic cell and inlet pipe in the electrolysis device shown from another angle;
[0027] Figure 4 for Figure 1 The diagram shows the structure of the liquid level regulating component in the electrolysis device.
[0028] Figure 5 for Figure 4 A schematic diagram of the regulating element and inner cylinder in the liquid level regulating assembly shown;
[0029] Figure 6 for Figure 5 The diagram shows the structure of the regulating component in the liquid level regulating assembly.
[0030] Figure 7 for Figure 5 The diagram shows the structure of the inner cylinder in the liquid level regulating assembly.
[0031] Label Explanation:
[0032] 110. Electrolytic cell; 111. First zone; 112. Liquid inlet zone; 113. Second zone; 114. Sludge discharge port; 115. Liquid discharge port; 120. Liquid inlet pipe; 121. Liquid outlet section; 122. Liquid inlet section; 123. Branch section; 130. Liquid level adjustment assembly; 131. Adjusting component; 1311. Liquid outlet window; 132. Inner cylinder; 1321. Adjusting window; 133. Overflow pipe; 141. Anode plate; 142. Cathode plate. Detailed Implementation
[0033] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0034] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the equipment or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0035] This application provides an electrolysis apparatus that can be applied to metal refining, such as copper refining. Even when the internal size of the electrolysis cell in the electrolysis apparatus is large, it can still ensure a better electrolysis effect, thereby guaranteeing the yield and quality of copper.
[0036] like Figure 1 and Figure 2 As shown, the electrolysis apparatus provided in this application includes an electrolytic cell 110, an inlet pipe 120, and two sets of liquid level regulating components 130.
[0037] The electrolytic cell 110 includes a first region 111, a liquid inlet region 112, and a second region 113 arranged sequentially along its length. The liquid inlet pipe 120 includes a liquid outlet 121, which is located at the bottom of the liquid inlet region 112. The liquid outlet 121 has outlets at both ends along the length of the electrolytic cell 110 to spray electrolyte into the first region 111 and the second region 113, respectively.
[0038] Two sets of liquid level regulating components 130 are disposed on the top of the electrolytic cell 110 and are located at both ends of the electrolytic cell 110 along its own length. The liquid level regulating components 130 can discharge the electrolyte in the electrolytic cell 110 and regulate the liquid level height of the electrolyte in the electrolytic cell 110.
[0039] Using the aforementioned electrolysis apparatus, the outlet 121 of the inlet pipe 120 is located at the bottom of the inlet area 112, and sprays electrolyte into the first area 111 and the second area 113, subsequently overflowing from the liquid level regulating components 130 at both ends. The inlet 122 is located in the inlet area 112, and the two outlets face the first area 111 and the second area 113 respectively, thereby dividing the interior of the electrolytic cell 110 into two circulation areas. This optimizes the electrolyte circulation space, improves the circulation effect, and makes the concentration and temperature distribution of the electrolyte in the upper, middle, and lower layers more uniform. Through this circulation method, the internal size of the electrolytic cell 110 can be increased while ensuring the circulation effect, thereby improving the electrolysis effect and increasing the yield and quality of copper.
[0040] Meanwhile, by adjusting the liquid level of the electrolyte in the electrolytic cell 110 through the liquid level adjustment component 130, it is possible to match the liquid level with the inlet flow rate, that is, to adjust the liquid level according to the inlet flow rate (the jet speed at the outlet), so as to further improve the circulation effect of the electrolyte and thus improve the electrolysis effect.
[0041] It should be explained that changes in the electrolyte level within electrolytic cell 110 will cause changes in the amount of electrolyte within the cell; that is, a decrease in the electrolyte level results in a decrease in the amount of electrolyte, while an increase in the electrolyte level results in an increase in the amount of electrolyte. Therefore, when the influent flow rate is low, the electrolyte level can be appropriately lowered to reduce the amount of electrolyte, allowing the incoming electrolyte to agitate within the electrolytic cell 110 and ensuring a more uniform concentration and temperature distribution. Conversely, when the influent flow rate is high, the electrolyte level can be appropriately increased to increase the amount of electrolyte while maintaining uniform distribution, thereby increasing production.
[0042] In addition, it is understandable that during the process of spraying electrolyte from the two outlets, the electrolyte above the inlet area 112 will also be agitated by the sprayed electrolyte.
[0043] In this embodiment, the internal length of the electrolytic cell 110 is at least 6m. As examples, the internal length of the electrolytic cell 110 can be 6m, 7m, 8m, or 9m, and is not limited here. It should be explained that for electrolytic cells with an internal size exceeding 6m, if existing circulation methods are used, the electrolysis effect is worse due to the larger size. Therefore, the difference in electrolysis effect between existing methods and the electrolysis effect of the electrolysis device in this embodiment is more significant.
[0044] Meanwhile, in a preferred embodiment, the first region 111 and the second region 113 have the same length along the length direction of the electrolytic cell 110, and the center of the liquid outlet 121 coincides with the center inside the electrolytic cell 110 along the length direction of the electrolytic cell 110, so that the stirring effect of the electrolyte in the first region 111 and the second region 113 is the same, ensuring that the concentration and temperature distribution of the electrolyte in the electrolytic cell 110 are more uniform.
[0045] Furthermore, the distance between the outlet section 121 and the bottom wall of the electrolyte is 30~50mm to ensure that the electrolyte is input from the bottom, forming a circulation path of bottom input and top discharge, which drives the electrolyte flow at the bottom and improves the uniformity of concentration and temperature distribution.
[0046] In one embodiment, the bottom wall inside the electrolytic cell 110 is inclined relative to the horizontal direction along its length, meaning that the horizontal height of the bottom wall inside the electrolytic cell 110 gradually increases or decreases from one end to the other along its length. Preferably, the slope of the bottom wall inside the electrolytic cell 110 is 1%-3% to ensure that the depth inside the electrolytic cell 110 meets the requirements while achieving the inclined bottom wall.
[0047] In one embodiment, the bottom wall inside the electrolytic cell 110 is further provided with a sludge discharge port 114 and a liquid discharge port 115. The sludge discharge port 114 is located at the lower end to discharge as much sediment as possible from the electrolytic cell 110; the liquid discharge port 115 is at a higher level than the sludge discharge port 114 to drain the electrolyte from the electrolytic cell 110 and achieve separation between the sediment and the electrolyte. Preferably, the liquid discharge port 115 is located at the higher end of the bottom wall. It is understood that control valves are provided at both the sludge discharge port 114 and the liquid discharge port 115 to control their opening and closing.
[0048] In one embodiment, the inlet pipe 120 includes at least two outlet sections 121, which are spaced apart along the width direction of the electrolytic cell 110 at the bottom of the inlet region 112 to increase the input rate of the electrolyte, thereby improving the agitation effect on the electrolyte, increasing the uniformity of concentration and temperature distribution, and ultimately improving the electrolysis effect. Specifically... Figure 2 In the embodiment shown, there are two liquid outlets 121, which are located on both sides of the bottom of the liquid inlet area 112 and are closely attached to the inner wall of the electrolytic cell 110.
[0049] Please also refer to Figures 1 to 3In one embodiment, the inlet pipe 120 further includes an inlet section 122 and at least two branches 123. The inlet section 122 is located at the top of the electrolytic cell 110. One end of each branch 123 is connected to the inlet section 122, and the other end is connected to a corresponding outlet section 121 to input electrolyte into the outlet section 121, so that the electrolyte is sprayed out from the outlet. Preferably, the branch section 123 extends along the inner wall of the electrolytic cell 110, that is, it is arranged close to the inner wall of the electrolytic cell 110 to avoid affecting the installation of other components and obstructing the flow of electrolyte.
[0050] In one embodiment, the electrolysis apparatus further includes multiple anode plates 141 and multiple cathode plates 142, all disposed within the electrolytic cell 110 and arranged alternately at intervals along the length of the electrolytic cell 110. It should be noted that the electrolytic cell 110 has pads on both sides at its top along its width direction. These pads are used to support the multiple anode plates 141 and multiple cathode plates 142, suspending them inside the electrolytic cell 110.
[0051] Understandable, Figure 1 and Figure 2 This illustration shows the anode plate 141 and cathode plate 142 suspended inside the electrolytic cell 110, and illustrates the arrangement of the anode plate 141 and cathode plate 142. It does not limit the specific number or location of the anode plate 141 and cathode plate 142. Further, the spacing between adjacent anode plates 141 and cathode plates 142 is 80-130 mm. Preferably, the spacing between any adjacent anode plates 141 and cathode plates 142 is the same, and the spacing is 100 mm.
[0052] Please see Figure 4 and Figure 5 In one embodiment, the liquid level regulating assembly 130 includes an regulating member 131, an inner cylinder 132, and an overflow pipe 133. The regulating member 131 is disposed at the top of the electrolytic cell 110, and the inner cylinder 132 is rotatably connected to the regulating member 131, with its bottom communicating with the overflow pipe 133. An regulating window 1321 is provided on the side wall of the inner cylinder 132 to allow the electrolyte in the electrolytic cell 110 to pass through. The horizontal height of the lower edge of the regulating window 1321 gradually increases or decreases from one end to the other. During the rotation of the inner cylinder 132, the regulating member 131 can block the regulating window 1321 to adjust the liquid level of the electrolyte in the electrolytic cell 110.
[0053] Understandably, since the bottom of the inner cylinder 132 is connected to the overflow pipe 133, the electrolyte in the electrolytic cell 110 can overflow into the overflow pipe 133 through the adjustment window 1321 and be discharged. By rotating the inner cylinder 132, the adjustment component 131 blocks the adjustment window 1321. At the same time, as the horizontal height of the lower edge of the adjustment window 1321 gradually changes, the overflow height of the electrolyte is adjusted, thereby adjusting the liquid level of the electrolyte in the electrolytic cell 110.
[0054] Furthermore, the adjusting member 131 is cylindrical and sleeved on the outside of the inner cylinder 132. The bottom of the adjusting member 131 is bonded and fixed to the top of the electrolytic cell 110 and communicates with the overflow pipe 133, thereby connecting the inner cylinder 132 and the overflow pipe 133. A liquid outlet window 1311 is provided through the side wall of the adjusting member 131. During the rotation of the inner cylinder 132, the liquid outlet window 1311 can communicate with the adjusting window 1321. In this way, the overflow height at the adjusting window 1321 can be adjusted by coordinating the liquid outlet window 1311 and the adjusting window 1321, thereby adjusting the liquid level of the electrolyte in the electrolytic cell 110.
[0055] In other embodiments, the adjusting member 131 may also be sheet-shaped and have an overall arc shape that matches the outer side of the inner cylinder 132; the inner cylinder 132 may be rotatably connected to the adjusting member 131 via a rotating ring; during the rotation of the inner cylinder 132, the adjusting member 131 may block the adjusting window 1321 to adjust the liquid level of the electrolyte in the electrolytic cell 110.
[0056] Understandably, in order to better achieve liquid level regulation, the adjusting component 131 can completely block the adjusting window 1321 during the rotation of the inner cylinder 132. At this time, the liquid level of the electrolyte can exceed the height of the inner cylinder 132 so as to overflow and discharge from the top of the inner cylinder 132. Of course, in most application scenarios, the adjusting component 131 usually does not completely block the adjusting window 1321.
[0057] Additionally, it should be noted that, as Figures 5 to 7As shown, if the inner cylinder 132 and the adjusting component 131 are laid flat, the adjusting window 1321 is a right trapezoid, and the sloping side of the right trapezoid is the lower edge of the adjusting window 1321; the liquid outlet window 1311 is rectangular, the length of the liquid outlet window 1311 in the vertical direction is greater than or equal to the length of the long base of the right trapezoid, and the length of the liquid outlet window 1311 in the horizontal direction is greater than or equal to the length of the height of the adjusting window 1321, so as to ensure that the liquid outlet window 1311 and the adjusting window 1321 are completely connected; at the same time, during the rotation of the inner cylinder 132, the adjusting component 131 can gradually increase the blocking area of the adjusting window 1321, and combined with the height change of the lower edge of the adjusting window 1321, the overflow height of the electrolyte at the adjusting window 1321 can be adjusted to adjust the liquid level height of the electrolyte in the electrolytic cell 110.
[0058] exist Figure 6 In the illustrated embodiment, the height of the inclined waist in the adjustment window 1321 along the vertical direction is 30~130mm. Preferably, the height of the inclined waist along the vertical direction is 65mm.
[0059] In summary, the electrolysis apparatus provided in this application has at least the following advantages:
[0060] 1. By setting an outlet section 121 at the bottom of the liquid inlet area 112, the outlet section 121 sprays electrolyte into the first area 111 and the second area 113 respectively, while the electrolyte is discharged from the liquid level adjustment components 130 at both ends, dividing the interior of the electrolytic cell 110 into two circulation areas, optimizing the circulation space of the electrolyte, improving the circulation effect, and making the concentration and temperature distribution of the upper, middle and lower layers of the electrolyte more uniform, thereby improving the electrolysis effect;
[0061] 2. The liquid level of the electrolyte in the electrolytic cell 110 is adjusted by the liquid level adjustment component 130, which can adjust the liquid level according to the inlet flow rate, thereby further improving the circulation effect of the electrolyte.
[0062] 3. The sludge discharge port 114 is located at the lower end of the bottom wall, and the liquid discharge port 115 is located at the higher end of the bottom wall, which can discharge the sediment as much as possible and also achieve the separation of electrolyte and sediment.
[0063] 4. The liquid inlet pipe 120 is set close to the inner wall of the electrolytic cell 110, which can facilitate the installation of the cathode plate 142 and the anode plate 141, and also avoid obstructing the flow of electrolyte.
[0064] 5. The liquid level can be adjusted by rotating the adjusting component 131, which is more convenient.
[0065] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An electrolysis apparatus, characterized in that, include: An electrolytic cell, with its interior comprising a first region, a liquid inlet region, and a second region arranged sequentially along its length; The inlet pipe includes an outlet section, which is located at the bottom of the inlet area. The outlet section has outlets at both ends along the length of the electrolytic cell to spray electrolyte into the first area and the second area respectively. Two sets of liquid level regulating components are disposed on the top of the electrolytic cell and located at both ends of the electrolytic cell along its length. The liquid level regulating components can discharge the electrolyte in the electrolytic cell and regulate the liquid level height of the electrolyte.
2. The electrolysis apparatus according to claim 1, characterized in that, The inlet pipe includes at least two outlet sections, which are spaced apart at the bottom of the inlet area along the width direction of the electrolytic cell.
3. The electrolysis apparatus according to claim 2, characterized in that, The inlet pipe further includes an inlet section and at least two branches. The inlet section is located at the top of the electrolytic cell. One end of each branch is connected to the inlet section, and the other end is connected to a corresponding outlet section.
4. The electrolysis apparatus according to claim 3, characterized in that, The branch extends along the inner wall of the electrolytic cell.
5. The electrolysis apparatus according to claim 1, characterized in that, The length of the electrolytic cell is at least 6m.
6. The electrolysis apparatus according to claim 1, characterized in that, The distance between the liquid outlet and the bottom wall of the electrolytic cell is 30~50mm.
7. The electrolysis apparatus according to claim 1, characterized in that, The liquid level regulating assembly includes an regulating component, an inner cylinder, and an overflow pipe. The regulating component is disposed at the top of the electrolytic cell. The inner cylinder is rotatably connected to the regulating component. The bottom of the inner cylinder is connected to the overflow pipe. An regulating window is provided on the side wall of the inner cylinder for the electrolyte in the electrolytic cell to pass through. The horizontal height of the lower edge of the regulating window gradually increases or decreases from one end to the other. During the rotation of the inner cylinder, the adjusting component can block the adjusting window to adjust the liquid level of the electrolyte in the electrolytic cell.
8. The electrolysis apparatus according to claim 7, characterized in that, The adjusting component is cylindrical and sleeved on the outside of the inner cylinder. The bottom of the adjusting component is connected to the overflow pipe. A liquid outlet window is provided through the side wall of the adjusting component. During the rotation of the inner cylinder, the liquid outlet window can communicate with the adjusting window.
9. The electrolysis apparatus according to claim 1, characterized in that, Along the length of the electrolytic cell, the bottom wall inside the electrolytic cell is inclined relative to the horizontal direction; The bottom wall inside the electrolytic cell is also provided with a sludge discharge port and a liquid discharge port. The sludge discharge port is located at the end with a lower horizontal height, and the liquid discharge port is at a higher horizontal height than the sludge discharge port.
10. The electrolysis apparatus according to claim 1, characterized in that, It also includes multiple anode plates and multiple cathode plates, all of which are disposed within the electrolytic cell and are arranged alternately at intervals along the length of the electrolytic cell.