Electrolyte filtering equipment and electrolyte production system
By installing multiple filter components and regulating valves in the electrolyte filtration equipment, continuous filtration is achieved when the filter is shut down, solving the problem of low efficiency when replacing filter elements and improving electrolyte production efficiency and equipment utilization.
Patent Information
- Application Number
- CN202423022772.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-06
AI Technical Summary
In the current electrolyte production process, filtration cannot continue when the filter element is replaced or malfunctions, resulting in low filtration efficiency and affecting electrolyte production efficiency.
Design an electrolyte filtration device comprising at least two sets of filter assemblies and a regulating valve. The regulating valve switches the connection channel when the filter assembly stops, allowing the other set of filter assemblies to continue filtering the electrolyte, thus ensuring the continuity of filtration efficiency.
It improves the filtration efficiency of electrolyte filtration equipment, extends the filter element replacement cycle of high-precision filters, reduces production costs, and improves the overall production efficiency of electrolyte production systems.
Smart Images
Figure CN223846448U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrolyte technical field especially relates to a kind of electrolyte filtering equipment and electrolyte production system. BACKGROUND
[0002] At present, new energy electric vehicles, electric tools in market are more popular, the demand of storage battery is large, and storage battery production enterprises or supporting need a large amount of electrolyte, since the requirement of electrolyte production of storage battery is higher, electrolyte needs to be filtered in the process of production, therefore, filter is needed to filter electrolyte.
[0003] In actual production, only one set of filter is often set to filter electrolyte, when the filter changes filter element or fails to stop, electrolyte cannot be continuously filtered, and thus the filtering efficiency of electrolyte is reduced.
[0004] Therefore, it is urgent to provide an electrolyte filtering equipment and electrolyte production system to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The first purpose of the utility model is to provide an electrolyte filtering equipment to improve the filtering efficiency of electrolyte.
[0006] To achieve this purpose, the utility model adopts the following technical solutions:
[0007] The electrolyte filtering equipment comprises:
[0008] At least two groups of filter assemblies, the filter assembly is used for filtering electrolyte;
[0009] The adjusting valve comprises a first inlet end and at least two first outlet ends, the first inlet end is used for communicating with the feeding device, the first inlet end selectively communicates with one of the at least two first outlet ends, and each first outlet end is respectively communicated with the liquid inlet end of the corresponding filter assembly group.
[0010] Alternatively, the number of adjusting valves is at least two, and each adjusting valve is respectively communicated between the feeding device and the corresponding filter assembly group.
[0011] Optionally, the filter assembly comprises at least two filters communicated in sequence, and the filtering accuracy of the filter located upstream is less than that of the filter located downstream along the flow direction of electrolyte in the filter assembly.
[0012] Optionally, the filtering accuracy of the last filter is below 1 micrometer along the flow direction of electrolyte in the filter assembly; and / or, the filtering accuracy of the first filter is above 40 micrometers along the flow direction of electrolyte in the filter assembly.
[0013] Optionally, the electrolyte filtering device further comprises a differential pressure detection assembly, the differential pressure detection assembly is equal in number and one-to-one corresponding to the filter assemblies;
[0014] The differential pressure detection assembly comprises at least two differential pressure gauges, the first connecting port of each differential pressure gauge is in communication with the liquid inlet of the corresponding filter, and the second connecting port of each differential pressure gauge is in communication with the liquid outlet of the corresponding filter.
[0015] Alternatively, the differential pressure detection assembly comprises at least two first pressure gauges and at least two second pressure gauges, each first pressure gauge is in communication with the liquid inlet of the corresponding filter, and each second pressure gauge is in communication with the liquid outlet of the corresponding filter.
[0016] Optionally, the electrolyte filtering device further comprises at least two differential pressure gauges, the first connecting port of each differential pressure gauge is in communication with the liquid inlet end of the corresponding group of filter assemblies, and the second connecting port of each differential pressure gauge is in communication with the liquid outlet end of the corresponding group of filter assemblies.
[0017] Alternatively, the electrolyte filtering device further comprises at least two first pressure gauges and at least two second pressure gauges, each first pressure gauge is in communication with the liquid inlet end of the corresponding group of filter assemblies, and each second pressure gauge is in communication with the liquid outlet end of the corresponding group of filter assemblies.
[0018] Optionally, the electrolyte filtering device further comprises an iron remover, the iron remover is equal in number and one-to-one corresponding to the filter assemblies, and each iron remover is arranged at the liquid inlet end of the corresponding group of filter assemblies.
[0019] Optionally, the electrolyte filtering device further comprises a liquid storage unit, the liquid storage unit is used for storing electrolyte, and the liquid outlet end of each group of filter assemblies is in communication with the liquid storage unit.
[0020] Optionally, the liquid storage unit comprises at least two groups of liquid tank groups, each group of liquid tank groups is in communication with the liquid outlet end of the corresponding group of filter assemblies.
[0021] Optionally, the electrolyte filtering device further comprises an air suction source, the air suction source is in communication with the liquid storage unit, and the air suction source is used for extracting gas in the liquid storage unit.
[0022] The second object of the utility model is to provide an electrolyte production system, the electrolyte production system is higher in efficiency of producing electrolyte.
[0023] In order to achieve this object, the utility model adopts the following technical scheme:
[0024] The electrolyte production system comprises a feeding device and the electrolyte filtering device.
[0025] The adjusting valve comprises a first inlet end and at least two first outlet ends, the first inlet end is communicated with the feeding device, the first inlet end selectively communicates one of the at least two first outlet ends, and each first outlet end is respectively communicated with the liquid inlet end of a corresponding group of filter assemblies;
[0026] Alternatively, the number of adjusting valves is at least two, and each adjusting valve is respectively communicated between the feeding device and a corresponding group of filter assemblies.
[0027] The electrolyte filtering equipment has the following beneficial effects:
[0028] The electrolyte filtering equipment provided by the utility model has the adjusting valve and the at least two groups of filter assemblies, in actual use, when the filter assembly in operation is stopped, the communication channel between the feeding device and the filter assembly can be closed through the adjusting valve, and the communication channel between the feeding device and another group of filter assemblies is opened, so that another group of filter assemblies continue to filter electrolyte, and the effect of improving the electrolyte filtering efficiency is achieved.
[0029] The electrolyte production system provided by the utility model adopts the above electrolyte filtering equipment, when one group of filter assemblies in the electrolyte filtering equipment is stopped, another group of filter assemblies can continue to filter electrolyte through the adjusting valve, so that the efficiency of the above electrolyte filtering equipment in filtering electrolyte is higher, and therefore the production efficiency of the electrolyte production system adopting the electrolyte filtering equipment is improved. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 is the first structural schematic view of the electrolyte filtering equipment provided by the utility model embodiment one;
[0031] Figure 2 is the second structural schematic view of the electrolyte filtering equipment provided by the utility model embodiment one;
[0032] Figure 3 is the principle view of the electrolyte production system provided by the utility model embodiment one;
[0033] Figure 4 is the principle view of the electrolyte production system provided by the utility model embodiment two;
[0034] Figure 5 is the principle view of the electrolyte production system provided by the utility model embodiment three;
[0035] Figure 6 is the principle view of the electrolyte production system provided by the utility model embodiment four;
[0036] Figure 7 is the principle view of the electrolyte production system provided by the utility model embodiment five.
[0037] In the drawings:
[0038] 10, feed device; 100, filter assembly; 110, first filter; 120, second filter; 200, regulating valve; 310, differential pressure gauge; 320, first pressure gauge; 330, second pressure gauge; 400, iron remover; 500, liquid storage unit; 510, liquid storage tank group; 511, liquid storage tank. DETAILED DESCRIPTION
[0039] The utility model will be described in further detail below in connection with the drawings and embodiments. It can be understood that the specific embodiments described herein are merely intended to explain the utility model and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.
[0040] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0041] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0042] In the description of the embodiment, the terms "upper", "lower", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description and have no special meaning.
[0043] Embodiment one
[0044] The embodiment provides electrolyte filtering equipment, which achieves the effect of improving electrolyte filtering efficiency.
[0045] Specifically, as shown in the figure, Figures 1 to 3 The electrolyte filtering equipment comprises filter assemblies 100 and a regulating valve 200. The filter assemblies 100 are used for filtering electrolyte, and the number of the filter assemblies 100 is at least two, for example, the number of the filter assemblies 100 can be two, three or four, etc. The regulating valve 200 comprises a first inlet end and at least two first outlet ends, for example, the number of the first outlet ends can be two, three or four, etc. The first inlet end is used for being in communication with a feeding device 10. The first inlet end selectively communicates with one of the at least two first outlet ends. Each first outlet end is in communication with a liquid inlet end of a corresponding group of filter assemblies 100.
[0046] Based on the above design, when the filter assembly 100 in operation is shut down, the communication between the first outlet end corresponding to the filter assembly 100 and the first inlet end can be closed to close the communication channel between the feeding device 10 and the filter assembly 100. Meanwhile, the communication between the first inlet end and another first outlet end is opened to open the communication channel between the filter assembly 100 corresponding to the first outlet end (i.e. another group of filter assemblies 100) and the feeding device 10, so that another group of filter assemblies 100 continues to filter electrolyte, thereby achieving the effect of improving electrolyte filtering efficiency.
[0047] It should be noted that the above-mentioned way that the first inlet end selectively communicates with one of the at least two first outlet ends can be realized by manually operating the regulating valve 200, or the regulating valve 200 can be connected with a controller in signal and controlled by the controller.
[0048] Optionally, the filter assembly 100 comprises at least two filters in sequence. Along the flow direction of electrolyte in the filter assembly 100, the filtering precision of the filter located at the upstream is less than that of the filter located at the downstream. On the one hand, the filtering precision of electrolyte can be improved. On the other hand, the period of replacing the filter element of the filter can be prolonged, especially the period of replacing the filter element of the filter with higher filtering precision, thereby achieving the effect of reducing production cost.
[0049] In the embodiment, the number of the filter assemblies 100 is two. Each group of filter assemblies 100 comprises two filters. For the convenience of understanding, the two filters are referred to as a first filter 110 and a second filter 120 respectively. Along the flow direction of electrolyte in the filter assembly 100, the first filter 110 is located at the upstream of the second filter 120. Of course, in other embodiments, the filter assembly 100 can comprise one, three, four or five filters, which can be determined according to actual application requirements.
[0050] Further, along the flow direction of the electrolyte in the filter assembly 100, the filtering precision of the last filter is below 1 micron, for example, the filtering precision of the filter can be 1 micron, 0.8 micron or 0.5 micron, etc., to ensure the final filtering precision of the electrolyte; and / or, along the flow direction of the electrolyte in the filter assembly 100, the filtering precision of the first filter is above 40 microns, for example, the filtering precision of the filter can be 40 microns, 48 microns or 53 microns, etc., to achieve the preliminary rough filtering of the electrolyte. In the embodiment, the filtering precision of the second filter 120 is 1 micron, and the filtering precision of the first filter 110 is 48 microns (about 300 mesh).
[0051] Optionally, the electrolyte filtering device further comprises a differential pressure detection assembly, the differential pressure detection assembly is equal in number and one-to-one corresponding to the filter assembly 100; the differential pressure detection assembly comprises at least two differential pressure gauges 310, the first connecting port of each differential pressure gauge 310 is in communication with the liquid inlet of the corresponding filter, and the second connecting port of each differential pressure gauge 310 is in communication with the liquid outlet of the corresponding filter, to detect the pressure difference between the liquid inlet and the liquid outlet of each filter, when the pressure difference between the liquid inlet and the liquid outlet of a certain filter is too large, the filter element of the filter needs to be replaced, so that each filter can replace the filter element in time, and the filtering precision of the electrolyte is ensured. In the embodiment, two sets of differential pressure detection assemblies are provided, each set of differential pressure detection assembly comprises two differential pressure gauges 310, the first connecting port of one of the differential pressure gauges 310 is in communication with the liquid inlet of the first filter 110, and the second connecting port is in communication with the liquid outlet of the first filter 110, and the first connecting port of the other differential pressure gauge 310 is in communication with the liquid inlet of the second filter 120, and the second connecting port is in communication with the liquid outlet of the second filter 120.
[0052] Optionally, the electrolyte filtering device further comprises a de-ironer 400, the de-ironer 400 is equal in number and one-to-one corresponding to the filter assembly 100, each de-ironer 400 is arranged at the liquid inlet end of the corresponding filter assembly 100, the de-ironer 400 can remove the magnetic substances in the electrolyte, to ensure that the K value (voltage drop value of the electrolyte per unit time) of the electrolyte does not exceed the limited value, and to reduce the probability of internal short circuit problem of the battery. In addition, in the embodiment, the de-ironer 400 is arranged at the liquid inlet end of the filter assembly 100, that is, the de-ironer 400 is arranged before the liquid inlet of the first filter 110, when filtering the electrolyte, the electrolyte first enters the de-ironer 400 to remove the magnetic substances, and then enters the first filter 110 and the second filter 120 in turn to remove the non-magnetic particles, this structure design can prevent the magnetic substances from entering the first filter 110 and / or the second filter 120, and has the effect of prolonging the service life of the filter element of the first filter 110 and the filter element of the second filter 120.
[0053] Optionally, the electrolyte filtering device further comprises a liquid storage unit 500, the liquid storage unit 500 is used for storing electrolyte, and the liquid outlet ends of the at least two groups of filter assemblies 100 are in communication with the liquid storage unit 500, so that the electrolyte filtering device has the function of storing electrolyte.
[0054] Further, the liquid storage unit 500 comprises at least two groups of liquid storage tank groups 510, each group of liquid storage tank groups 510 is in communication with the liquid outlet end of the corresponding group of filter assemblies 100, so that the electrolyte filtered by the filter assemblies 100 enters the corresponding group of liquid storage tank groups 510, and batch storage of electrolyte is realized. In the embodiment, the liquid storage unit 500 comprises two groups of liquid storage tank groups 510, and each group of liquid storage tank groups 510 is in communication with the liquid outlet end of the corresponding group of filter assemblies 100.
[0055] In the embodiment, the liquid storage tank group 510 comprises two liquid storage tanks 511, of course, in other embodiments, the liquid storage tank group 510 can also comprise one, three, four or even more liquid storage tanks 511, and the number of the liquid storage tanks 511 in each liquid storage tank group 510 can be determined according to the electrolyte storage capacity. In addition, when the liquid storage tank group 510 comprises more than two liquid storage tanks 511, the plurality of liquid storage tanks 511 in the same group of liquid storage tank groups 510 can be connected in parallel or in series, which can be determined according to the actual application requirement.
[0056] Optionally, the electrolyte filtering device further comprises an air suction source (not shown in the figure), the air suction source is in communication with the liquid storage unit 500, and the air suction source is used for extracting gas in the liquid storage unit 500, so as to reduce the gas bubbles in the liquid storage tank 511. The air suction source in the embodiment can be a vacuum pump or a negative pressure fan.
[0057] Further, the bottom of the liquid storage tank 511 is in communication with the liquid outlet end of the filter assembly 100, so as to avoid the problem of electrolyte splashing in the liquid storage tank 511.
[0058] The embodiment further provides an electrolyte production system, and the electrolyte production system has high efficiency in producing electrolyte.
[0059] Specifically, as shown in Figure 3As shown, the electrolyte production system includes a feeding device 10 and the aforementioned electrolyte filtration equipment. The regulating valve 200 includes a first inlet end and at least two first outlet ends. The first inlet end is connected to the feeding device 10, and the first inlet end is selectively connected to one of the at least two first outlet ends. Each first outlet end is connected to the inlet end of a corresponding set of filter assemblies 100. This electrolyte production system uses the aforementioned electrolyte filtration equipment. When one set of filter assemblies 100 in the electrolyte filtration equipment stops, the regulating valve 200 can be used to allow another set of filter assemblies 100 to continue filtering the electrolyte, thereby increasing the efficiency of the electrolyte filtration equipment and improving the production efficiency of the electrolyte production system using this electrolyte filtration equipment.
[0060] Furthermore, the electrolyte production system also includes an inert gas supply unit (not shown in the figure). The inert gas supply unit includes an inert gas storage tank and a booster pump. The inert gas storage tank stores inert gases such as nitrogen or argon, and is connected to the feeding device 10 via the booster pump. When electrolyte filtration is required, the booster pump is activated to pump the inert gas into the feeding device 10. The internal pressure of the feeding device 10 increases, causing the electrolyte within the feeding device 10 to flow towards the regulating valve 200, thus achieving electrolyte delivery. Moreover, the inert gas does not react with the electrolyte, and therefore does not affect the stability of the electrolyte.
[0061] Example 2
[0062] This embodiment provides an electrolyte filtration device and an electrolyte production system. The following mainly describes the differences between this embodiment and the previous embodiments, while the similarities will not be repeated.
[0063] like Figure 4 As shown, in this embodiment, the electrolyte filtration device has at least two regulating valves 200, the number of which is equal to the number of filter assemblies 100. Each regulating valve 200 is connected between the feeding device 10 and a corresponding set of filter assemblies 100. When a working filter assembly 100 stops, the regulating valve 200 corresponding to that filter assembly 100 is closed to cut off the connection between that filter assembly 100 and the feeding device 10. At the same time, another regulating valve 200 is opened to open the connection between the filter assembly 100 (i.e., another set of filter assemblies 100) corresponding to that regulating valve 200 and the feeding device 10, allowing the other set of filter assemblies 100 to continue filtering the electrolyte, thereby improving the electrolyte filtration efficiency.
[0064] The electrolyte production system provided in this embodiment uses the electrolyte filtration equipment described above, thus achieving high electrolyte production efficiency.
[0065] Example 3
[0066] The embodiment provides electrolyte filtering equipment, and the differences between the embodiment and the previous embodiments are mainly described below, and the same parts are not described again.
[0067] As shown in Figure 5 The differential pressure detection assembly comprises at least two first pressure gauges 320 and at least two second pressure gauges 330, each first pressure gauge 320 is in communication with the liquid inlet of a corresponding filter, and each second pressure gauge 330 is in communication with the liquid outlet of a corresponding filter, the first pressure gauge 320 is used for detecting the liquid inlet pressure of the corresponding filter, and the second pressure gauge 330 is used for detecting the liquid outlet pressure of the corresponding filter, so that the differential pressure value between the liquid inlet and the liquid outlet of each filter can be obtained, and whether each filter needs to replace the filter element is judged.
[0068] In the embodiment, the number of the first pressure gauges 320 and the second pressure gauges 330 is two, one first pressure gauge 320 and one second pressure gauge 330 correspond to the first filter 110, and the other first pressure gauge 320 and the other second pressure gauge 330 correspond to the second filter 120.
[0069] Embodiment four
[0070] The embodiment provides electrolyte filtering equipment, and the differences between the embodiment and the previous embodiments are mainly described below, and the same parts are not described again.
[0071] As shown in Figure 6 The electrolyte filtering equipment further comprises at least two differential pressure gauges 310, the first connecting port of each differential pressure gauge 310 is in communication with the liquid inlet end of a corresponding set of filter assemblies 100, and the second connecting port of each differential pressure gauge 310 is in communication with the liquid outlet end of the corresponding set of filter assemblies 100, so that the differential pressure between the liquid inlet end and the liquid outlet end of each set of filter assemblies 100 can be detected, when the differential pressure between the liquid inlet end and the liquid outlet end of a set of filter assemblies 100 is too large, one or more filters in the filter assembly 100 need to be replaced, and the filtering precision of each set of filter assemblies 100 on the electrolyte is ensured. In the embodiment, the number of the differential pressure gauges 310 is two, and the two differential pressure gauges 310 correspond to the two sets of filter assemblies 100 one by one.
[0072] Embodiment five
[0073] The embodiment provides electrolyte filtering equipment, and the differences between the embodiment and the previous embodiments are mainly described below, and the same parts are not described again.
[0074] As shown in Figure 7As shown, the electrolyte filtering device further comprises at least two first pressure gauges 320 and at least two second pressure gauges 330, each of the first pressure gauges 320 is in communication with the liquid inlet end of a corresponding set of filter assemblies 100 respectively, and each of the second pressure gauges 330 is in communication with the liquid outlet end of a corresponding set of filter assemblies 100 respectively, the first pressure gauges 320 are used to detect the pressure of the liquid inlet end of the corresponding filter assemblies 100, and the second pressure gauges 330 are used to detect the pressure of the liquid outlet end of the corresponding filter assemblies 100, so that the pressure difference between the liquid inlet end and the liquid outlet end of each set of filter assemblies 100 can be obtained, when the pressure difference between the liquid inlet end and the liquid outlet end of a set of filter assemblies 100 is too large, one or more filters in the filter assembly 100 need to be replaced, so as to ensure the filtering precision of each set of filter assemblies 100 on the electrolyte. In the embodiment, the number of the first pressure gauges 320 and the second pressure gauges 330 is two, one of the first pressure gauges 320 and one of the second pressure gauges 330 correspond to a set of filter assemblies 100, and the other of the first pressure gauges 320 and the other of the second pressure gauges 330 correspond to another set of filter assemblies 100.
[0075] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be carried out without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. An electrolyte filtration apparatus, characterized by, The electrolyte filtering device comprises: at least two filter assemblies (100) for filtering electrolyte; a regulating valve (200) comprising a first inlet end for communicating with a feeding device (10) and at least two first outlet ends, the first inlet end selectively communicating with one of the at least two first outlet ends, each of the first outlet ends respectively communicating with a liquid inlet end of a corresponding one of the filter assemblies (100); alternatively, there are at least two regulating valves (200), each of the regulating valves (200) respectively communicating between the feeding device (10) and a corresponding one of the filter assemblies (100).
2. The electrolyte filter apparatus according to claim 1, characterized by The filter assembly (100) comprises at least two filters sequentially communicating with each other, the filter upstream in the flow direction of the electrolyte in the filter assembly (100) having a smaller filtering precision than the filter downstream.
3. The electrolyte filter apparatus according to claim 2, characterized by The filtering precision of the last filter in the flow direction of the electrolyte in the filter assembly (100) is less than 1 micron; and / or the filtering precision of the first filter in the flow direction of the electrolyte in the filter assembly (100) is greater than 40 microns.
4. The electrolyte filter apparatus according to claim 2, characterized by The electrolyte filtering device further comprises a differential pressure detection assembly, the differential pressure detection assembly having the same number of differential pressure gauges (310) as the filter assemblies (100) and corresponding to the filter assemblies (100) one by one; each of the differential pressure gauges (310) has a first connecting port respectively communicating with a liquid inlet port of a corresponding one of the filters and a second connecting port respectively communicating with a liquid outlet port of the corresponding one of the filters; alternatively, the differential pressure detection assembly comprises at least two first pressure gauges (320) and at least two second pressure gauges (330), each of the first pressure gauges (320) respectively communicating with a liquid inlet port of a corresponding one of the filters, and each of the second pressure gauges (330) respectively communicating with a liquid outlet port of the corresponding one of the filters.
5. The electrolyte filter apparatus according to any one of claims 1 to 3, characterized by The electrolyte filtering device further comprises at least two differential pressure gauges (310), each of the differential pressure gauges (310) having a first connecting port respectively communicating with a liquid inlet end of a corresponding one of the filter assemblies (100) and a second connecting port respectively communicating with a liquid outlet end of the corresponding one of the filter assemblies (100); alternatively, the electrolyte filtering device further comprises at least two first pressure gauges (320) and at least two second pressure gauges (330), each of the first pressure gauges (320) respectively communicating with a liquid inlet end of a corresponding one of the filter assemblies (100), and each of the second pressure gauges (330) respectively communicating with a liquid outlet end of the corresponding one of the filter assemblies (100).
6. The electrolyte filter apparatus according to any one of claims 1 to 4, characterized by The electrolyte filtering device further comprises a plurality of iron removers (400), each of which is arranged at the liquid inlet end of a corresponding group of the filter assemblies (100).
7. The electrolyte filter apparatus according to any one of claims 1 to 4, characterized by The electrolyte filtering device further comprises a liquid storage unit (500) for storing the electrolyte, and liquid outlet ends of at least two groups of the filter assemblies (100) are in communication with the liquid storage unit (500).
8. The electrolyte filter apparatus according to claim 7, characterized by The liquid storage unit (500) comprises at least two groups of liquid storage tanks (510), each of which is in communication with the liquid outlet end of a corresponding group of the filter assemblies (100).
9. The electrolyte filter apparatus according to claim 7, wherein The electrolyte filtering device further comprises a gas suction source in communication with the liquid storage unit (500), and the gas suction source is used for extracting gas in the liquid storage unit (500).
10. Electrolyte production system, characterized in that, The electrolyte filtering device comprises a feeding device (10) and the electrolyte filtering device according to any one of claims 1-9. The regulating valve (200) comprises the first inlet end and at least two first outlet ends, the first inlet end is in communication with the feeding device (10), the first inlet end selectively communicates with one of the at least two first outlet ends, and each of the first outlet ends is in communication with the liquid inlet end of a corresponding group of the filter assemblies (100). Alternatively, the number of the regulating valves (200) is at least two, and each of the regulating valves (200) is respectively in communication between the feeding device (10) and a corresponding group of the filter assemblies (100).