• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Electro-deposition installation with active inter-cell bars comprising at least three cells connected, or capable of being connected, in series between the positive and negative pole of a rectifier, several active inter-cell bars installed between said cells, and also at the ends of the installation, each one comprising a common conductive body with multiple conductive bar segments, one for each electrode, electrically isolated but electrically connectable and independently, to the common conductive body or to an extension cable by means of governed switches. from a micro computer equipment with remote communication capacity. This invention provides the main advantage of providing a conventional plant with safe protection of the electrodes against short circuits, with a complete production management through a complete monitoring of the process in real time, and with a greater productive capacity through the internal depolarization of the electrodes. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2818224A1
    申请号:ES201930869
    申请日:2019-10-07
    公开日:2021-04-09
    发明作者:Pueo Felix Prado
    申请人:Pueo Felix Prado；
    IPC主号:
    专利说明:

    [0002] Electro-deposition installation with active inter-cell bars
    [0004] The present specification refers, as its title indicates, to an electro-deposition installation with active inter-cell bars, of the type used in processes of electrodeposition of metals, electro-obtaining, electro-refining or coating. This installation comprises at least three cells connected, or capable of being connected, in series between the positive pole and the negative pole of a rectifier and several active inter-cell bars installed between said cells, and also at the ends of the installation.
    [0006] Each of these active inter-cell bars in turn comprises a common conductive body with multiple conductive bar segments, one for each electrode, electrically isolated but electrically connectable and independently, to the common conductive body or to an extension cable by means of switches. governed from a local control device, installed in the active bar itself, with remote access from a micro-computer equipment, promoting complete production management with complete monitoring of the process in real time, and being able to operate with a greater productive capacity through the internal depolarization of the electrodes and a safe protection of the electrodes against short circuits.
    [0008] Field of the invention
    [0010] The invention relates to the field of metal electrodeposition plants and processes in which the production cells containing the electrodes and the electrolyte are connected or can be connected to each other by means of an inter-cell electric bar.
    [0012] Current state of the art
    [0014] At present, electro-deposition facilities are widely known and used, whether they are electro-refining, where the metal to be deposited on the cathode constitutes the anode itself, or electro-obtaining where the metal to be deposited is dissolved in the electrolyte. They are made up of cells containing the electrolyte and at least three electrodes are connected to each other forming a chain with a series electrical supply. When we face two electrodes in an electrolytic medium, the electrode with the most positive potential is called the anode and the most negative potential is called the cathode, so by electrode we refer to generically to both. Examples of these conventional electro-deposition facilities can be found described, for example, in patents ES2112025 " Cell for continuous electrodeposition of metal alloys ", ES2556039 " Anodic compartment for cells for electrodeposition of metals " or ES2092993 " Electrical conductor, especially to be used as an insoluble anode in electrodeposition processes, and in electrochemical processes in general, and a procedure for its production ” .
    [0016] A simplified diagram of these conventional electro-deposition facilities is reflected in figure -1-, and in figure -2-, which shows a representative section (16) of a conventional electro-deposition facility that consists of three portions of three cells. In these conventional installations, each of the cells connects with the previous one, thus receiving its current and with the next one supplying the same current, in this way the same electrical current is shared by the entire chain of cells in series, achieving a result of re -use of electric current. More specifically, all the cathodes (17) of the previous cell rest and are connected to a conductive electrical bar that we call the inter-cell bar (18). In turn, all the anodes (19) of the next cell are supported and connected alternating with the previous cathodes on the same inter-cell bar (18). Said anodes and cathodes share an inter-cell bar although they belong to two different consecutive cells, and in this way the electrical connection of all cells in series is established. The anodes of the first cell in the chain are connected to the positive bar of the rectifier (20), the cathodes of the last cell are connected to the negative bar of the rectifier (21). The whole set is supervised from a control room (23).
    [0018] Many structural variations are known in the shapes of the inter-cell bars: triangular, rectangular, the so-called dog bone, with slots or triangular grooves in which the bars or hangers fit, combinations of the above, but in the end the function is as follows. itself, a conductive metal bar usually made of copper that connects two consecutive cells in series while redistributing the currents of the electrodes connected in parallel themselves. It should be noted that these bars are passive since they do not exert any current switching action, limiting themselves to acting as a fixed channel for current distribution. It should be noted that in production the current arrows leave the surface of the anodes (19), pass through the electrolyte that fills the cell and enter the cathodes (17), on which the metal is deposited.
    [0019] The industrial facilities of these production processes have a series of limitations or handicaps: a limited production density caused by polarization that appears with a high current density, low energy efficiency and reduced life or durability of the permanent physical components.
    [0021] To solve some of these problems, specifically that of production and performance, macro-transformers can be used that are superimposed on the plant rectifier and drastically alter the total plant current, but it is an expensive solution, expensive to install and very bulky, so to date it has proven unviable in the industry.
    [0023] Some other solutions have been tried, such as the one described in ES2642124 " System for the evaluation of the current distribution in electrodes of electrochemical plants ", which uses electrical probes to monitor the consumption of the cell sections, but does not manage to provide solutions to the rest of the problems of this technology.
    [0025] Increasing the current density in electrodes would allow us to alleviate the large volume and cost of the plants, the problem of capacity and quality is also improved with an optimal management of production cycles, and finally, protection, detection and Deactivating shorted elements improves performance, production quality, and component life.
    [0027] Description of the invention
    [0029] In order to solve the current problem in terms of electro-deposition processes, the electro-deposition installation with active inter-cell bars object of the present invention has been devised, which comprises
    [0030] - at least three cells connected, or capable of being connected, in series between the positive pole and the negative pole of a rectifier, the first cell being the one connected to the positive pole,
    [0031] - several active inter-cell bars installed between said cells, and also at the ends of the installation, each one in turn comprising a common conductive body with multiple conductive bar segments, one for each electrode, said conductive bar segments being electrically isolated from the common conductive body, and each of the conductive bar segments being electrically connectable, independently, to the common conductor body by means of at least one production switch governed by a control element, this control element also having voltage measurement means at the terminals of the production switch and optionally current sensors , Y
    [0032] - At least one micro computer control equipment, equipped with specific software, and with digital communication means with each and every one of the control elements and remote communication capacity.
    [0034] The busbar segments may be electrically connected to the anodes or to the cathodes of the cells, or to both electrodes.
    [0036] The common conductor body of each active inter-cell bar is electrically associated with an extension cable arranged parallel to the front or rear active inter-cell bar, depending on whether an anode or a cathode is connected, being connectable to the conductor bar segments of the active inter-cell bus in which it is arranged in parallel by means of reversing switches governed by the control element.
    [0038] The control computer equipment has means to set and modify the control software and parameters, and to capture all the process data sampled and transmitted by the control elements. It also stores the accumulated ampere hours since the beginning of the deposition process and this information is used by the management software, which will provide us with a representation of the metal deposited on the cathodes at all times. Any abnormal current or voltage deviation will be immediately reported as an alarm and appropriately dealt with.
    [0040] This electro-deposition installation with active inter-cell bars that is described has associated a characteristic operating procedure, which comprises
    [0042] - an operation stage, involving the activation of the production switches and the deactivation of the reversal switches, which is carried out continuously for most of the total time, leaving cyclically for a short period of time for the execution of the rest of the stages. In case of imminent short circuit is permanently abandoned to go into a protection state.
    [0043] - a current measurement stage, after which it returns to the operation stage, - a short-circuit control stage, involving the measurement of voltage at terminals, with all switches deactivated, after which it returns to the operation, except in the event of an imminent short circuit where it is permanently abandoned to enter a protection state,
    [0044] - a depolarization stage, involving the deactivation of the production switches and the activation of the reversing switches, after which it returns to the operation stage, and
    [0045] - a communication stage,
    [0047] being carried out periodically for all the electrodes.
    [0049] Advantages of the invention
    [0051] This electro-deposition installation with active inter-cell bars that is presented provides multiple advantages over the equipment currently available, being the most important one that allows equipping a conventional plant with safe protection of the electrodes against short circuits, with complete management of production by means of a complete monitoring of the process in real time, and with a greater productive capacity by means of the internal depolarization of the electrodes.
    [0053] It is important to highlight that, by placing the smart active inter-cell bars, we also achieve real-time monitoring of the production status, informing the control room computer of the currents and voltages instantly of all the cells.
    [0055] Another important advantage of these bars is that we can also obtain an increase in the capacity and productive quality, because our active inter-cell bar is capable without any additional external AC or DC source of applying a dosed amount of reverse current in the electrodes that, as is known, mitigate polarization, all combined with protection against short circuits of the electrodes.
    [0057] It should also be noted that the solutions adopted manage to solve the problems inherent in conventional installations. Thus, the production problem is achieved improve directly by increasing the current in the plant or what is the same the current density in electrodes, the problem of capacity and quality is also improved with an optimal management of production cycles, and finally, protection, detection and deactivating shorted elements improves performance, production quality, and component life.
    [0059] Likewise, we must not forget that, as can be seen in the description, this electrical activity can be easily implemented in an existing production plant, it is not invasive, has a low economic cost and is very far from the complex solutions existing until our invention, some consistent mainly in macro transformers that are superimposed on the plant rectifier and drastically alter the total plant current, which to date have been not very viable in the industry due to their complexity and high economic cost. Others by modifying the structure of each of the thousands and thousands of anodes that make up the plant, which also entails high complexity and cost.
    [0061] Description of the figures
    [0063] To better understand the object of the present invention, a conventional installation and a preferred practical embodiment of an electrodeposition installation with active inter-cell bars have been represented in the attached drawing.
    [0065] In this plane, figure -1- shows a schematic diagram of a conventional electro-deposition installation.
    [0067] Figure -2- shows a representative section of a conventional electrodeposition installation consisting of three portions of three cells, indicating the direction of the electric current with arrows.
    [0069] Figure -3- shows a representative section of an electrodeposition installation in its preferred embodiment with active inter-cell bars connected to the anodes, indicating the direction of the electric current with arrows.
    [0071] Figure -4- shows a partial detail of an active inter-cell bar, in an electrodeposition installation in its preferred embodiment with connected active inter-cell bars to the anodes, with an enlarged detail of one of the switch assemblies and its control element.
    [0073] Figure -5- shows a representative section of an electrodeposition installation in an alternative embodiment with active inter-cell bars, in this case connected to the cathodes, indicating the direction of the electric current with arrows.
    [0075] Figure -6- shows a partial detail of an active inter-cell bar, in an electrodeposition installation in an alternative embodiment with active inter-cell bars connected to the cathodes, with an enlarged detail of one of the switch assemblies and its control element.
    [0077] Figure -7- shows a simplified block diagram of a computer control equipment.
    [0079] Figure -8- shows a simplified flow chart of the typical operating procedure.
    [0081] Preferred embodiment of the invention
    [0083] The constitution and characteristics of the invention will be better understood with the following description made with reference to the attached figures. For clarity, and a better appreciation of the differences, figure 1 shows a schematic diagram of a conventional electro-deposition installation, and figure 2 shows a standard cell with conventional passive inter-cell bars.
    [0085] Figures 3, 4, 5, 6, and 7 already illustrate an electrodeposition installation with active inter-cell bars comprising
    [0086] - at least three cells (1) connected, or capable of being connected, in series between the positive pole and the negative pole of a rectifier, the first cell being the one connected to the positive pole,
    [0087] - several active inter-cell bars (2) installed between said cells (1), and also at the ends of the installation, each one in turn comprising a common conductive body (3) with multiple conductive bar segments (4) mechanically associated, one for each electrode, said conducting bar segments (4) being electrically isolated from the common conducting body (3) by isolation means (5), and each of the busbar segments (4) being electrically connectable, independently, to the common conducting body (3) by means of at least one production switch (6) governed by a control element (7) for each production switch (6), this control element (7) also having means for measuring the voltage at the terminals of the production switch (6) and optionally current sensors, and
    [0088] - At least one micro computer control equipment (8), equipped with its corresponding specific software (9), with digital communication means (10) with each and every one of the control elements (7) and with the control room (2. 3).
    [0090] The busbar segments (4) are electrically connected with the anodes (11) of the cells (1), as reflected in Figures 3 and 4, or in an alternative embodiment, with the cathodes (12) of the cells (1), as reflected in Figures 5 and 6. Likewise, another alternative embodiment is planned combining both connections simultaneously by means of doubly active inter-cell bars, a controlled segment for the anodes (11) and another for the cathodes (12), with the same computer control equipment (8). These segments of conductive bar (4) can be superimposed or inserted in the common conductive body (3).
    [0092] The common conductor body (3) of each active inter-cell bar (2) is electrically associated or connected to an extension cable (13) arranged in parallel to any previous active inter-cell bar (2), preferably the immediately preceding one, in case of conductive bar segments (4) electrically connected with the anodes (11), or to any subsequent active inter-cell bar (2), preferably the one immediately after, in case of conductive bar segments (4) electrically connected to the cathodes (12 ), being connectable to the busbar segments (4) of the active intercell bus (2) in which it is arranged in parallel by means of reversing switches (14) governed by the control element (7).
    [0094] Both the production switches (6) and the reversing switches (14) can be both solid state electronic switches and electromechanical power switches or relays, or any combination of both.
    [0096] The digital communication means (10) of the computer control equipment (8) with all the control elements (7) and with the control room (23) can be any of the following: known, both wired and wireless. They will preferably be chosen from the group consisting of Ethernet cable, PLC wired communication, WIFI wireless communication and Bluetooth wireless communication or similar.
    [0098] The computer control equipment (8) will have means to establish and modify the software and the control parameters locally and from the control room (23), and to capture all the process data sampled and transmitted by the control elements ( 7) and transmit them to the control room (23). It will also store the accumulated ampere hours since the beginning of the deposition process and the management software, which will provide us with a representation of the metal deposited on the cathodes (12) at all times. Any abnormal current or voltage deviation will be immediately reported as an alarm and appropriately dealt with.
    [0100] This electro-deposition installation with active inter-cell bars that is described has associated a characteristic operating procedure, which comprises
    [0101] - an operation stage (24),
    [0102] - a current measurement stage (25),
    [0103] - a short-circuit control stage (26),
    [0104] - a depolarization stage (27), and
    [0105] - a communication stage (28),
    [0106] being carried out periodically for all the electrodes.
    [0108] The operation stage (24) comprises the activation of the production switches (6) and the deactivation of the reversal switches (14), ordered from the computer control equipment (8) by means of digital communication (10) to all control elements (7). This stage is carried out continuously for most of the total time, preferably more than 96% of the total time, leaving it cyclically for a short period of time, on the order of milliseconds, for the execution of the rest of the stages. In the event of an imminent short-circuit, it is permanently abandoned to enter a protection state (29).
    [0110] In the current measurement stage (25) the control elements (7) sample the voltage drop across the terminals of the production switches (6) in the activated state (closed), and transmit the value by means of digital communication ( 10) to the control computer equipment (8) in which, by means of linearization tables, the value of the current in each electrode (11) or (12), if any current value exceeds a preset value, that production switch (6) is deactivated. Alternatively, if the control elements (7) have a current sensor, in the current measurement stage the control elements (7) directly measure the circulating current through their current sensor. of production (6) in activated state (closed), and transmit the value by means of digital communication means (10) to the computer control equipment (8), if any current value exceeds a preset value that production switch is deactivated ( 6). After the execution of this stage, the operation stage (24) is returned.
    [0112] In the short-circuit control stage (26) a pair of production switch (6) and its corresponding reversing switch (14) are deactivated for a short, pre-configured time, of the order of one or several milliseconds, while reading the potential on the electrode side and transmitting the value through the digital communication means (10) to the computer control equipment (8), and if this potential differs much from a preset value an alarm is generated and a protection state is passed (29) maintaining the disconnection for that pair of production switch (6) and its corresponding reversing switch (14) while said alarm lasts, thus achieving the protection of the electrodes against short circuits. In this way we achieve a short-circuit detection sensitivity much higher than that obtained by measuring the current or what is the same, early detection and protection before reaching a very high current in the case of a slight contact of short-circuit, since the electrode is in a floating or disconnected electrical state (both switches off), said short-circuit contact will dramatically drag the potential of the free or floating electrode towards the electrode that short-circuits it, this measurement of the voltage of the floating electrode displaced towards its complementary electrode will indicate the impending short-circuit state. After the execution of this stage, it returns to the operation stage (24), except in the event of an imminent short circuit in which it is permanently abandoned to go to a protection state (29).
    [0114] In the depolarization stage (27), a production switch (6) is deactivated for a short preset time, of the order of one or several milliseconds, while its corresponding inverting switch (14) is activated, which, for a a short period of time, it will establish a connection to a reverse voltage obtained from the cells themselves through the extension cable (13), causing the required dose of reverse current in the electrode to achieve its depolarization. This stage is illustrated in Figures 3, 4, 5 and 6 by means of a set of switches (22) in this configuration. This depolarization stage will be performed periodically for all electrodes. The production and depolarization periods through reverse current will be established by the process technicians on an experimental basis depending on the characteristics and circumstances of the production in progress. The establishment of these depolarization loading periods or doses is not within the scope of this patent. After the execution of this stage, the operation stage (24) is returned.
    [0116] In the communication stage (28), each control element (7) sends a packet with local information, including the short-circuit state, current measurement, voltage measurement ..., by means of digital communication means (10), to the micro computer control equipment (8) and to the control room (23), and checks if it receives any remote command, data or order from the micro computer control equipment (8) or the control room (23). After the execution of this stage, the operation stage (24) is returned.
    [0118] As a reference or starting point we give an order of proposed values, obtained as a result of the experimental tests:
    [0119] - production period 6 seconds,
    [0120] - reverse current period 0.15 seconds with a reverse current amplitude of the order of 40% with respect to the production current, 0.15sec x 0.4amp / (6sec x 1amp) x 100 = 1.5;
    [0121] a 1.5 percent depolarization load with respect to that of production has been shown to be sufficient in a copper electro-refining process operating in the laboratory at 750 Amps per square meter.
    [0123] All of these production disconnects introducing short reverse current connections in our invention will occur at thousands upon thousands of points throughout the plant, at each of the thousands of breakers. With a random distribution caused by a random number generator algorithm implemented in the specific software (9) of the control computer equipment (8), or with a sequenced action of scanning or scanning, but always uniform so that in total only will generate a small background hum or almost undetectable electrical ripple factor at the main rectifier terminals.
    [0124] As can be seen, this electrical activity is not at all invasive, being very far from the solutions proposed up to our invention, consisting of macro transformers that are superimposed on the plant rectifier and drastically alter the total plant current, so to date they have been little viable in the industry.
    [0126] It is obvious to state that if desired, these reverse currents can be deactivated (putting the value of the inverse period to zero), this can be done totally or selectively by type of anode / cathode electrode (only to the anodes, only to the cathodes, to both to neither), by chosen electrodes or by time intervals for selective exploration of optimal production conditions / results.
    [0128] As can be seen in the figures, the invention can be applied: only to the anodes (11), as shown in Figures 3, 4 and 5, only to the cathodes (12), as shown in Figures 6, 7 and 8, and it is also possible to apply it simultaneously to the anodes (11) and the cathodes (12) at the same time on the same active bar. The three options are generally viable and effective, but it will depend on the metal and the electrodes of the plant to control the convenience of applying one option or another, although the final decision will be up to the user / client considering their budget / costs and opinions.
    [0130] The person skilled in the art will readily understand that he can combine features of different embodiments with features of other possible embodiments, provided that such a combination is technically possible.
    [0132] All information referring to examples or embodiments forms part of the description of the invention.
    权利要求:
    Claims (1)
    [0001]
    1 - Electro-deposition installation with active inter-cell bars characterized in that it comprises
    - at least three cells (1) connected, or capable of being connected, in series between the positive pole and the negative pole of a rectifier, the first cell being the one connected to the positive pole,
    - several active inter-cell bars (2) installed between said cells (1), and also at the ends of the installation, each one in turn comprising a common conductive body (3) with multiple conductive bar segments (4) mechanically associated, one for each electrode, said conducting bar segments (4) being electrically isolated from the common conducting body (3) by insulating means (5), and each of the conducting bar segments (4) being electrically connectable, independently, to the common conductor body (3) by means of at least one production switch (6) governed by a control element (7) for each production switch (6), this control element (7) also having means voltage measurement at the production switch terminals (6), and
    - At least one computer control equipment (8), equipped with specific software (9), and with digital communication means (10) with each and every one of the control elements (7), and with the control room (2. 3).
    2 - Electro-deposition installation with active inter-cell bars, according to the previous claim, characterized in that the conductive bar segments (4) are electrically connected with the anodes (11) of the cells (1).
    3 - Electro-deposition installation with active inter-cell bars, according to claim 1, characterized in that the conductive bar segments (4) are electrically connected with the cathodes (12) of the cells (1).
    4 - Electro-deposition installation with active inter-cell bars, according to any of the preceding claims, characterized in that the common conductor body (3) of each active inter-cell bar (2) is electrically associated with an extension cable (13) arranged parallel to any active inter-cell bar (2) above, in case of segments of conductive bar (4) electrically connected to the anodes (11), or to any subsequent active inter-cell bar (2) in the case of conductive bar segments (4) electrically connected to the cathodes (12), being connectable to the segments of conductive bar (4) of the active inter-cell bar (2) in which it is arranged in parallel by means of reversing switches (14) governed by the control element (7).
    5 - Electro-deposition installation with active inter-cell bars, according to any of the previous claims, characterized in that both the production switches (6) and the reversing switches (14) are chosen from the group consisting of a solid-state electronic switch and electromechanical power switch.
    6 - Electro-deposition installation with active inter-cell bars, according to any of the preceding claims, characterized in that the control elements (7) incorporate a current sensor.
    7 - Electro-deposition installation with active inter-cell bars, according to any of the preceding claims, characterized in that the digital communication means (10) of the computer control equipment (8) with all the control elements (7) and with the control room (23) are chosen from the group consisting of Ethernet cable, PLC wired communication, WIFI wireless communication and Bluetooth wireless communication.
    8 - Operating procedure of an electro-deposition installation with active inter-cell bars as described in the previous claims, characterized in that it comprises
    - an operation stage (24), which is carried out continuously for most of the total time, being cyclically abandoned for a short period of time for the execution of the rest of the stages,
    - a current measurement stage (25), returning, after the execution of this stage, to the operation stage (24),
    - a short-circuit control stage (26), returning, after the execution of this stage, to the operation stage (24), except in the event of an imminent short-circuit in which it is permanently abandoned to go to a protection state ( 29). - a depolarization stage (27), returning after the execution of this stage to the operation stage (24), and
    - a communication stage (28), returning after the execution of this stage to the operation stage (24),
    being carried out periodically, for all the electrodes.
    9 - Operating procedure of an electro-deposition installation with active inter-cell bars, according to claim 8, characterized in that the operation stage (24) comprises the activation of the production switches (6) and the deactivation of the inversion (14), ordered from the control computer equipment (8) by means of digital communication means (10) to all the control elements (7).
    10 - Operating procedure of an electro-deposition installation with active inter-cell bars, according to any of claims 8 and 9, characterized in that in the current measurement stage (25) the control elements (7) measure directly by means of their current sensor the circulating current through the production switches (6) in the activated state (closed), and transmit the value by means of the digital communication means (10) to the computer control equipment (8), if any current value exceeds a preset value, this production switch (6) is deactivated.
    11 - Operating procedure of an electro-deposition installation with active inter-cell bars, according to any of claims 8 and 9, characterized in that in the current measurement stage (25) the control elements (7) sample the fall of voltage at the terminals of the production switches (6) in the activated state (closed), and transmit the value through the digital communication means (10) to the computer control equipment (8) in which, by means of linearization tables, the Obtains the value of the current in each electrode (11) or (12), if any current value exceeds a preset value, that production switch (6) is deactivated.
    12 - Operating procedure of an electro-deposition installation with active inter-cell bars, according to any of claims 8, 9, 10 and 11, characterized in that in the short-circuit control stage (26) they are deactivated for a reduced pre-configured time , of the order of one or several milliseconds, a pair of production switch (6) and its corresponding reversing switch (14), simultaneously reading the potential on the electrode side and transmitting the value by means of digital communication ( 10) to the computer control equipment (8), and if this potential differs greatly from a preset value, an alarm is generated, it goes to a protection state (29) maintaining the disconnection for that pair of production switch (6) and its corresponding reversing switch (14) while said alarm lasts.
    13 - Operating procedure of an electro-deposition installation with active intercell bars, according to any of claims 8, 9, 10, 11 and 12, characterized in that in the depolarization stage (28), it is deactivated, for a reduced time preconfigured, on the order of one or several milliseconds, a production switch (6) while its corresponding inversion switch (14) is activated.
    14 - Operating procedure of an electrodeposition installation with active inter-cell bars, according to any of claims 8, 9, 10, 11, 12 and 13, characterized in that in the communication stage (28) each control element ( 7) sends a packet with local information, including the short-circuit status, current measurement and voltage measurement, by means of digital communication means (10), to the micro-computer control equipment (8) and to the control room (23) , and checks if it receives any remote command, data or order from the micro computer control equipment (8) or the control room (23).
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    ES2818224B2|2021-11-16|
    WO2021069774A1|2021-04-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2013037899A1|2011-09-16|2013-03-21|Industrie De Nora S.P.A.|Permanent system for continuous detection of current distribution in interconnected electrolytic cells|
    WO2014128211A1|2013-02-20|2014-08-28|Industrie De Nora S.P.A.|Device for monitoring current distribution in interconnected electrolytic cells|
    WO2016165012A1|2015-04-17|2016-10-20|Pultrusion Technique Inc.|Components, assemblies and methods for distributing electrical current in an electrolytic cell|
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    ES201930869A|ES2818224B2|2019-10-07|2019-10-07|INSTALLATION OF ELECTRO-DEPOSITION WITH ACTIVE INTER-CELL BARS|ES201930869A| ES2818224B2|2019-10-07|2019-10-07|INSTALLATION OF ELECTRO-DEPOSITION WITH ACTIVE INTER-CELL BARS|
    PCT/ES2020/070578| WO2021069774A1|2019-10-07|2020-09-28|Installation and method for electroplating with active intercell bars|
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