CN111996554B - Device and method for adjusting anode group balance of continuous anode electrolytic cell - Google Patents
Device and method for adjusting anode group balance of continuous anode electrolytic cell Download PDFInfo
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- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
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- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
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Abstract
The invention discloses a device and a method for adjusting the balance of an anode group of a continuous anode electrolytic tank, wherein the device comprises more than 2 anode group balance adjusting units, and the more than 2 anode group balance adjusting units are respectively positioned at two opposite sides of the anode group of the continuous anode electrolytic tank; the anode group balance adjusting unit comprises a power device, a transmission assembly and more than 1 thumb wheel, and the power device, the transmission assembly and the thumb wheels are sequentially connected according to the power transmission direction; the transmission assembly is internally provided with clutch devices with the same number as the thumb wheels, and more than 1 clutch device is correspondingly connected with more than 1 thumb wheel to transmit power; the thumb wheel is meshed with the anode group, so that the part meshed with the thumb wheel in the anode group is driven to ascend or descend when the thumb wheel rotates. The invention controls the dial wheel corresponding to the position of the anode group to be adjusted through the power device and the clutch device, and the dial wheel dials the anode group to carry out integral adjustment or local fine adjustment, thereby avoiding the problem of unbalanced inclination of the anode group in the operation process in the prior art.
Description
Technical Field
The application belongs to the technical field of aluminum electrolysis, and particularly relates to a device and a method for adjusting anode group balance of a continuous anode electrolytic cell.
Background
The aluminum electrolysis production can be divided into three main categories, namely a side-inserted anode bar self-baking cell, an upper-inserted anode bar self-baking cell and a pre-baked anode cell, wherein the pre-baked anode aluminum electrolysis cell is dominant. The prebaked anode aluminum electrolytic cell is developing to large-scale and modernization, but the prebaked anode aluminum electrolytic cell still belongs to discontinuous operation, has long process flow and high production cost, has large working strength due to frequent replacement of the anode, and can also influence the stability of the condition of the electrolytic cell so as to further influence the technical and economic indexes of aluminum electrolysis.
Compared with a pre-baking tank, the self-baking tank has the greatest advantages that the continuous aluminum electrolysis can be realized without frequently replacing the anode, the molding and baking procedures of the anode in the production process are reduced, the heat of the electrolytic tank is maximally utilized, and the energy and the investment are saved. However, the asphalt smoke generated in the electrolysis process is large, which causes serious pollution to the environment and brings difficulty to the work of purifying the smoke. In addition, the rod pulling and inserting process of the self-baking anode current conducting rod is complex, and the labor intensity is high.
The novel continuous anode applied to the self-baking aluminum electrolysis cell overcomes the defects of the traditional self-baking cell in aluminum electrolysis, shortens the process flow of the traditional self-baking cell in aluminum electrolysis, reduces the cost and labor intensity, can improve the quality of the original aluminum, and plays an important role in the innovative green development of the aluminum industry.
In the novel continuous anode aluminum electrolysis process, due to the adoption of a special clamping mechanism, the anode is easy to incline in the normal operation process, thereby seriously influencing the stability of the electrolytic cell. How to well control the balance of the anode becomes a key problem that the novel continuous anode can smoothly run.
Disclosure of Invention
In order to solve the technical problems, the invention provides a device and a method for adjusting the balance of an anode set of a continuous anode electrolytic tank, which overcome the technical defect that the continuous anode electrolytic tank cannot be leveled when the anode set inclines in the normal operation process in the prior art.
The technical scheme adopted for realizing the aim of the invention is that the device for adjusting the balance of the anode group of the continuous anode electrolytic tank comprises more than 2 anode group balance adjusting units, wherein the more than 2 anode group balance adjusting units are respectively positioned at two opposite sides of the anode group of the continuous anode electrolytic tank;
the anode group balance adjusting unit comprises a power device, a transmission assembly and more than 1 shifting wheel, and the power device, the transmission assembly and the shifting wheels are sequentially connected according to the power transmission direction; the transmission assembly is internally provided with clutch devices with the same number as the thumb wheels, and more than 1 clutch device is correspondingly connected with more than 1 thumb wheel to transmit power;
the thumb wheel is meshed with the anode group, so that the part meshed with the thumb wheel in the anode group is driven to ascend or descend when the thumb wheel rotates.
Optionally, the device for adjusting the balance of the anode group of the continuous anode electrolytic cell further comprises a support frame; more than 2 anode group balance adjustment units are respectively arranged at different positions of the supporting frame and are respectively positioned at two opposite sides of the anode group.
Optionally, the support frame is located around the anode group and is 5-10 cm away from the anode group;
the quantity of positive pole group balance adjustment unit is 4, and 4 two liang positive pole group balance adjustment unit are a set of, set up in braced frame's two opposite edges, and 4 positive pole group balance adjustment unit is close to respectively the four corners of positive pole group.
Optionally, 2 poking wheels are arranged in the anode group balance adjustment unit, the transmission assembly is provided with 2 output shafts, and the 2 output shafts of the transmission assembly are respectively connected with the 2 poking wheels through 2 universal couplings.
Optionally, the transmission assembly includes a speed reducer, 2 clutch and 2 reversing mechanisms, wherein:
the speed reducer is a double-output-shaft speed reducer, and 2 output shafts of the speed reducer are respectively connected with the first ends of the 2 clutch devices;
the second ends of the 2 clutch devices are respectively connected with the input shafts of the 2 reversing mechanisms;
and 2 output shafts of the reversing mechanisms are respectively connected with 2 poking wheels through 2 universal couplings.
Optionally, the clutch device comprises a clutch; or, the clutch device is a clutch coupler.
Optionally, the device for adjusting the balance of the anode group of the continuous anode electrolytic cell further comprises a control device, and the control device is electrically connected with the power device; the power device is a servo motor.
Optionally, the device for adjusting the balance of the anode group of the continuous anode electrolytic cell further comprises balance distance meters with the same number as the balance adjustment units of the anode group, and the balance distance meters are electrically connected with the control device.
Optionally, the anode group comprises a fixed frame and more than 1 continuous anode placed in the fixed frame, the fixed frame is provided with engaging teeth, and the dial wheel is engaged with the fixed frame through the engaging teeth; the balance range finder is installed on the fixed frame.
Based on the same inventive concept, the invention also provides a method for adjusting the balance of an anode group based on the device for adjusting the balance of the anode group of the continuous anode electrolytic tank, which comprises the following steps:
detecting the balance state of the anode group of the continuous anode electrolytic cell in the running process of the continuous anode electrolytic cell, and judging whether the anode group is inclined on one side or uneven locally;
when the anode group inclines on one side, the anode group balance adjusting unit on the side needing to be adjusted is controlled to act, the thumb wheel is driven to rotate through the power device, the thumb wheel is meshed with the anode group to drive the inclined side of the anode group to ascend or descend, the inclination is eliminated, and therefore the balance of the whole anode group is achieved;
when the anode group is locally uneven, the anode group balance adjusting unit which needs to be adjusted is controlled to act, the clutch devices corresponding to the partial thumb wheels in the anode group balance adjusting unit are controlled to be in a combined state, the clutch devices corresponding to the rest of the thumb wheels are controlled to be in a disengaged state, the thumb wheels are driven by the power device to rotate, the thumb wheels are meshed with the anode group, the local unevenness of the anode group is driven to ascend or descend, and the local unevenness is eliminated, so that the balance of the whole anode group is achieved.
According to the technical scheme, the invention provides the device for adjusting the balance of the anode groups of the continuous anode electrolytic tank, which performs the balance adjustment of the anode groups by the anode group balance adjusting units respectively positioned at two opposite sides of the anode groups of the continuous anode electrolytic tank. The anode group balance adjustment unit comprises a power device, a transmission assembly and more than 1 shifting wheel, and the shifting wheel is meshed with the anode group, so that the shifting wheel drives the part meshed with the shifting wheel in the anode group to ascend or descend when rotating, the position of the unbalanced part can be adjusted in time when the anode group is unbalanced, the balance of the whole anode group is ensured, and the electrolytic aluminum production is stably carried out.
The transmission assembly of the anode group balance adjustment unit is provided with clutch devices with the same number with the thumb wheels, each thumb wheel is correspondingly controlled through 1 clutch device, and the clutch devices can be combined or separated from the power transmission of the thumb wheels and the power device, so that local fine adjustment is realized in the anode group area corresponding to the anode group balance adjustment unit, and the balance adjustment of the anode group with millimeter-level high precision is realized.
The method for adjusting the balance of the anode group is implemented by depending on the device, the balance state of the anode group of the continuous anode electrolytic tank is detected in the running process of the continuous anode electrolytic tank, whether the anode group has single-side inclination or local unevenness is judged, the single-side adjustment of the anode group can be carried out by controlling the integral action of the anode group balance adjusting unit of the side to be adjusted, the single-side inclination of the anode group is eliminated, and the balance of the whole anode group is achieved; by controlling the local action (part of dial wheel action) of the anode group balance adjusting unit at the position needing to be adjusted, the local fine adjustment of the anode group can be carried out, and the local unevenness of the anode group is eliminated, so that the balance of the whole anode group is achieved.
Compared with the prior art, the device and the method for adjusting the balance of the anode group of the continuous anode electrolytic cell provided by the invention have the advantages that the dial wheel corresponding to the part, which needs to be adjusted, of the anode group is controlled through the power device and the clutch device, the dial wheel dials the anode group to carry out integral adjustment or local fine adjustment, the stable operation of the anode group of the continuous anode electrolytic cell is realized, the problem of inclination unbalance of the anode group in the operation process is avoided, the cell condition of the electrolytic cell is stabilized, and the operation condition of the electrolytic cell is more stable and reliable.
Drawings
FIG. 1 is a top view of an apparatus for continuous anode cell balancing of an anode stack according to example 1 of the present invention;
FIG. 2 is a schematic top view of the anode assembly balance adjustment unit shown in FIG. 1;
fig. 3 is a schematic structural view of the anode group balance adjustment unit in fig. 1, with the power device and the speed reducer removed;
fig. 4 is a connection structure diagram of a thumb wheel of the anode group balance adjustment unit and a fixing frame of the anode group in fig. 1;
FIG. 5 is a flowchart of a method for adjusting the balance of an anode stack according to embodiment 2 of the present invention.
Description of reference numerals: 100-means for adjusting the balance of the anode group for a continuous anodic electrolytic cell; 10-anode group balance adjusting unit, 1-power device, 2-speed reducer, 3-clutch device, 4-reversing mechanism, 5-thumb wheel, 6-universal coupling; 20-a support frame; 30-a balanced rangefinder; 200-anode group, 201-fixing frame, 202-meshing teeth.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
Example 1:
the embodiment of the invention provides a device 100 for adjusting the balance of an anode group of a continuous anode electrolytic tank, which comprises more than 2 anode group balance adjusting units 10, wherein the more than 2 anode group balance adjusting units 10 are respectively positioned at two opposite sides of an anode group 200 of the continuous anode electrolytic tank, as shown in fig. 1. The structure of each anode set balance adjustment unit 10 is completely the same, the specific number of the anode set balance adjustment units 10 depends on the load of the anode set 200 (i.e. the weight of the anode set), for the anode set 200 with a large load (formed by assembling a plurality of anodes) at least 4 anode set balance adjustment units 10 should be arranged, for the anode set 200 with a small load (including only a single anode), 2 anode set balance adjustment units 10 can meet the balance adjustment requirement. The specific number of the anode stack balance adjustment units 10 is not limited in the present invention.
In order to facilitate the installation of the anode set balance adjustment unit 10, preferably, the device 100 for adjusting the anode set balance of the continuous anode electrolytic cell further comprises a support frame 20, wherein the support frame 20 is located around the anode set and is at a certain distance from the anode set 200, so that the anode set 200 is adjusted in a balance manner, and the distance is preferably 5-10 cm. More than 2 anode set balance adjustment units 10 are respectively installed at different positions of the support frame 20 and respectively located at two opposite sides of the anode set.
In order to improve the adjustment accuracy, the number of the anode group balance adjustment units 10 in this embodiment is preferably 4, two of the 4 anode group balance adjustment units 10 are in a group and are disposed on two opposite sides of the supporting frame 20, and the 4 anode group balance adjustment units 10 are respectively close to four corners of the anode group 200, that is, the 4 anode group balance adjustment units 10 are respectively located on the upper left side (e.g., position a in fig. 1), the upper right side (e.g., position b in fig. 1), the lower left side (e.g., position c in fig. 1), and the lower right side (e.g., position d in fig. 1) of the anode group 200, and for the convenience of distinguishing, the anode group balance adjustment units at the above four positions are respectively marked as 10a (upper left side), 10b (upper right side), 10c (lower left side), and 10d (lower right side). The anode group balance adjustment units 10 are distributed on two opposite sides (left side and right side) of the anode group 200, on one hand, high temperature regions in the front and back directions of the anode group are avoided, the anode group balance adjustment units 10 are protected from being damaged by high temperature, on the other hand, the two opposite sides of the anode group 200 have larger operation intervals, and the arrangement of the anode group balance adjustment units 10 cannot influence the normal operation of other equipment of the continuous anode electrolytic cell.
The structure of the anode stack balance adjustment unit 10 of the present invention is described in detail below with reference to an exemplary embodiment:
referring to fig. 1 to 3, the anode group balance adjustment unit 10 includes a power device 1, a transmission assembly and more than 1 thumb wheel 5, and the power device 1, the transmission assembly and the thumb wheel 5 are sequentially connected according to a power transmission direction. The transmission component can adopt any existing mechanical transmission mechanism, and the specific structure is not limited in the invention. The specific number of thumb wheels 5 depends on the load of the anode stack 200, and it is preferable to provide 2 thumb wheels 5 per anode stack balance adjustment unit 10 in view of the adjustment accuracy.
The thumb wheel 5 is meshed with the anode group 200, so that when the thumb wheel 5 rotates, the part meshed with the thumb wheel 5 in the anode group 200 is driven to ascend or descend, and balance adjustment is performed. The anode group 200 generally comprises a fixing frame and more than 1 continuous anode placed in the fixing frame, and the fixing frame correspondingly adopts an aluminum frame because the application object of the invention is a continuous anode aluminum electrolytic cell. In order to facilitate the overall adjustment of the balance of the anode group 200, in the present embodiment, the thumb wheel 5 is configured to engage with the fixed frame 201 of the anode group 200, as shown in fig. 4, the fixed frame 201 is provided with engaging teeth 202, and the thumb wheel 5 engages with the fixed frame 201 through the engaging teeth 202. The engaging teeth 202 can adopt any existing gear tooth form, such as an involute tooth form, a circular arc tooth form and the like, and the engaging process of the thumb wheel 5 and the anode group 200 is similar to the gear-rack engaging process. Or the engaging teeth 202 are arranged as tooth-shaped protrusions, such as protrusions on the surface of a tire, and the engaging process of the thumb wheel 5 and the anode group 200 is similar to the friction process of the tire and a rough surface. The structure of the meshing teeth meets the requirement that the dial wheel is meshed with the anode group to enable the anode group to move up and down, and the specific structure is not limited in the invention.
The transmission assembly is provided with clutch devices 3 with the same number as the thumb wheels 5, and more than 1 clutch device 3 is correspondingly connected with more than 1 thumb wheel 5 to transmit power. The clutch device 3 is used for selectively cutting off the power transmission between a dial wheel 5 in the anode group balance adjusting unit 10 and the power device 1, so that the anode group balance adjusting unit 10 realizes local fine adjustment.
Specifically, the clutch device 3 may directly adopt a clutch coupler, which is essentially a coupler, but has the function of a clutch through structural improvement, for example, the invention of the publication CN110752733A, which is a magnetic clutch coupler, controls the magnetic clutch coupler to be combined or separated through on/off of a circuit, and the clutch coupler is the prior art, and the specific structure of the invention is not limited. In other embodiments, the clutch 3 may also be a clutch directly, which is also a mature prior art, and the specific structure of the present invention is not limited.
Because 2 thumb wheels 5 are arranged in each anode group balance adjustment unit 10, the corresponding transmission assembly has 2 output shafts, and the 2 output shafts of the transmission assembly are respectively connected with the 2 thumb wheels 5 through 2 universal couplings 6, as shown in fig. 3. In this embodiment, the power split of the power device 1 is realized by using a speed reducer, that is, the transmission assembly includes a speed reducer 2, 2 clutch devices 3 and 2 reversing mechanisms 4, the speed reducer 2 uses a dual-output-shaft speed reducer 2, the output shaft of the power device 1 directly extends into the speed reducer 2 and serves as an input shaft of the speed reducer 2, 2 output shafts of the speed reducer 2 are respectively connected with first ends of the 2 clutch devices 3, and second ends of the 2 clutch devices 3 are respectively connected with input shafts of the 2 reversing mechanisms 4.
In order to facilitate the arrangement of the anode group balance adjustment unit 10, the reversing mechanism 4 is set to reverse 90 degrees, and the torque output by the power device 1 is reversed from the horizontal direction to the vertical direction, so that the anode group balance adjustment unit 10 is distributed in a height space, the power device 1 and the speed reducer 2 are directly arranged on the supporting frame 20 and positioned above the continuous anode electrolytic cell, and the thumb wheel 5 can be arranged below the power device 1 through the reversing mechanism 4 and is contacted and meshed with the anode group 200. The output shaft of 2 reversing mechanism 4 is connected with 2 thumb wheel 5 respectively through 2 universal couplings, and the preferred ball cage coupling of universal coupling. The reversing mechanism 4 can adopt a bevel gear transmission mechanism, a worm and gear mechanism and the like, and the specific mechanism is not limited in the invention.
Preferably, the device for adjusting the anode group balance of the continuous anode electrolytic cell of the present embodiment adopts automatic adjustment, and in addition to the mechanical structure of the anode group balance adjusting unit 10 and the supporting frame 20, the device further comprises a control device and a balance distance meter 30, as shown in fig. 1. The control device is electrically connected with the power device 1 and the balance distance measuring instrument 30, the balance distance measuring instrument 30 is installed on the anode set 200 and used for measuring the distance between the installation position of the balance distance measuring instrument and a measurement reference, measured data are fed back to the control device, the control device analyzes the data, whether the anode set 200 is unbalanced or not is further judged, the type of the unbalance is judged to be single-side inclined or local uneven, and a corresponding instruction is sent to the power device 1 according to the judgment result. The control device can adopt any existing controller, such as a PLC, a common computer and the like. The power device 1 is preferably a servo motor, the servo motor can convert a voltage signal sent by the control device into torque and rotating speed to drive a control object, and the control speed and the position precision are very accurate.
Specifically, the balance distance measuring instruments 30 are installed on the fixing frame 201 of the anode group 200, and the number of the balance distance measuring instruments 30 is the same as that of the anode group balance adjusting units 10, for example, if the anode group balance adjusting units 10 are 4, the number of the balance distance measuring instruments 30 is also 4, and the positions of the 4 balance distance measuring instruments 30 correspond to the positions of the 4 anode group balance adjusting units 10 one by one, so as to measure the balance state of the anode group 200 at the engagement part with the dial wheel 5.
Example 2:
based on the same inventive concept, the present embodiment provides a method for adjusting the balance of an anode stack, which is implemented based on the apparatus 100 for adjusting the balance of an anode stack for a continuous anode electrolytic cell of the above-described embodiment 1. Referring to fig. 5, the method includes the steps of:
detecting the balance state of an anode group of the continuous anode electrolytic cell in the running process of the continuous anode electrolytic cell, and judging whether the anode group is inclined on one side or uneven locally;
when the anode group inclines on one side, the anode group balance adjusting unit 10 on the side needing to be adjusted is controlled to act, the thumb wheel 5 is driven to rotate through the power device 1, the thumb wheel 5 is meshed with the anode group to drive the inclined side of the anode group to ascend or descend, the inclination is eliminated, and therefore the balance of the whole anode group is achieved;
when the anode group is locally uneven, the anode group balance adjusting unit 10 which needs to be adjusted is controlled to act, the clutch devices 3 corresponding to the partial thumb wheels 5 in the anode group balance adjusting unit 10 are controlled to be in a combined state, the clutch devices 3 corresponding to the rest of the thumb wheels 5 are controlled to be in a disengaged state, the partial thumb wheels 5 are driven to rotate through the power device 1, the thumb wheels 5 are meshed with the anode group, the anode group is driven to locally uneven position to ascend or descend, and the locally uneven position is eliminated, so that the balance of the whole anode group is achieved.
The device of the embodiment 1 and the method of the embodiment 2 of the present invention are implemented and applied in a certain aluminum production enterprise, during the application, the distance between the anode and the cathode of the anode set of the continuous anode electrolytic cell is adjusted by the clamping mechanism, during the adjustment process and the production process after the adjustment, once the anode set is in an unbalanced tilt state, the anode set balance adjustment unit 10 starts to operate to adjust the balance of the anode set, and during the whole production, the novel continuous anode electrolytic cell is stable in operation.
Examples of balance adjustment applications in practice are as follows:
application example 1: the load on the anode stack of the continuous anode cell was 2.0 tons.
In the running process of the continuous anode electrolytic cell, the balance state of the anode group is detected by 4 balance distance meters, and the detection data (the distance from the installation position of the balance distance meters to the detection reference) are as follows: 67.5cm at a, 68.7cm at b, 67.4cm at c, and 68.5cm at d. The controller analyzes the detected data and judges that the anode group inclines to the left side in fig. 1, but the inclination degree is light.
The servo motors in the anode group balance adjusting units 10a and 10c are closed, and the servo motors in the anode group balance adjusting units 10b and 10d are started; and controlling the left clutch device 31 (shown in fig. 2) in the anode group balance adjusting units 10b and 10d to be in a disengaged state, controlling the right clutch device 32 to be in a combined state, and accurately controlling the two right thumb wheels 52 to dial down the anode group to adjust the posture of the whole anode group to be balanced.
And re-detecting the equilibrium state of the anode group, wherein the detection data is as follows: 67.5cm at a, 67.5cm at b, 67.4cm at c, and 67.5cm at d. From the above detection data, it can be determined that the anode group is in the equilibrium state as a whole by reducing the maximum difference in the distance between each position of the anode group and the detection reference to 1mm by the above balance adjustment.
Application example 2: the load on the anode stack of the continuous anode cell was 10.0 tons.
In the running process of the continuous anode electrolytic cell, the balance state of the anode group is detected by 4 balance distance meters, and the detection data (the distance from the installation position of the balance distance meters to the detection reference) are as follows: 68.3cm at a, 65.1cm at b, 68.5cm at c and 65.2cm at d. The controller analyzes the detection data and judges that the anode group inclines to the right side in figure 1 and the inclination degree is heavy.
The servo motors in the anode group balance adjusting units 10b and 10d are closed; and starting servo motors in the anode group balance adjusting units 10a and 10c, accurately controlling 4 dial wheels 51 and 52 in the anode group balance adjusting units 10a and 10c to dial down the anode group, and adjusting the posture of the whole anode group to be balanced.
And re-detecting the equilibrium state of the anode group, wherein the detection data is as follows: and a position a is 65.2cm, a position b is 65.1cm, a position c is 65.4cm, and a position d is 65.2cm, and the maximum difference of the distances between all the positions of the anode group and the detection reference is reduced to 3mm through the balance adjustment, so that the whole anode group can be judged to reach a balance state.
Application example 3: the load on the anode stack of the continuous anode cell was 22.0 tons.
In the running process of the continuous anode electrolytic cell, the balance state of the anode group is detected by 4 balance distance meters, and the detection data (the distance from the installation position of the balance distance meters to the detection reference) are as follows: 71.5cm at a, 68.2cm at b, 70.2cm at c, and 67.4cm at d. The controller analyzes the detection data and judges that the anode group inclines to the lower right side in the figure 1, namely the anode group is locally uneven.
Turning off the servo motor in the anode group balance adjustment unit 10 d; and starting servo motors in the anode group balance adjusting units 10a, 10b and 10c, accurately controlling 6 dial wheels 51 and 52 in the anode group balance adjusting units 10a, 10b and 10c to dial down the anode group, and adjusting the posture of the whole anode group to be balanced.
And re-detecting the equilibrium state of the anode group, wherein the detection data is as follows: the distance between the anode group and the detection reference is reduced to 3mm by the balance adjustment, so that the whole anode group can be judged to be in a balanced state.
Through the embodiment, the invention has the following beneficial effects or advantages:
1) according to the device and the method for adjusting the balance of the anode group of the continuous anode electrolytic cell, the dial wheel corresponding to the position, which needs to be adjusted, of the anode group is controlled through the power device and the clutch device, and the dial wheel dials the anode group to carry out integral adjustment or local fine adjustment, so that the stable operation of the anode group of the continuous anode electrolytic cell is realized, the problem that the anode group is not inclined and balanced in the operation process is avoided, the cell condition of the electrolytic cell is stabilized, and the operation condition of the electrolytic cell is more stable and reliable.
2) According to the device for adjusting the balance of the anode group of the continuous anode electrolytic cell, the four anode group balance adjusting units are arranged on the two opposite sides of the anode group through the supporting frame, so that on one hand, a high-temperature area in the front-back direction of the anode group is avoided, the mechanical device of the anode group balance adjusting unit is protected from being damaged by high temperature, on the other hand, the two opposite sides of the anode group have larger operation intervals, and the normal operation of other equipment of the continuous anode electrolytic cell cannot be influenced by the arrangement of the anode group balance adjusting unit.
3) According to the device for adjusting the balance of the anode group of the continuous anode electrolytic tank, provided by the invention, the balance states of all the positions of the anode group are detected by arranging the plurality of balance distance meters, the balance of the anode group is accurately adjusted according to detection data, and the adjustment precision can reach a millimeter level.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (6)
1. A device for adjusting the balance of an anode group of a continuous anode electrolytic cell is characterized in that: the device comprises a supporting frame positioned on the periphery of an anode group, 4 anode group balance adjusting units, wherein every two of the 4 anode group balance adjusting units are in one group and are arranged on two opposite edges of the supporting frame, and the 4 anode group balance adjusting units are respectively close to four corners of the anode group;
the anode group balance adjusting unit comprises a power device, a transmission assembly and 2 thumb wheels, and the power device, the transmission assembly and the thumb wheels are sequentially connected according to the power transmission direction; the transmission assembly comprises a speed reducer, 2 clutch devices and 2 reversing mechanisms, wherein: the speed reducer is a double-output-shaft speed reducer, and 2 output shafts of the speed reducer are respectively connected with first ends of 2 clutch devices; the second ends of the 2 clutch devices are respectively connected with the input shafts of the 2 reversing mechanisms; the output shafts of the 2 reversing mechanisms are respectively connected with the 2 thumb wheels through 2 universal couplings, and the clutch device is used for combining or separating the thumb wheels and the power transmission of the power device;
the thumb wheel is meshed with the anode group, so that the part meshed with the thumb wheel in the anode group is driven to ascend or descend when the thumb wheel rotates;
the device for adjusting the balance of the anode group of the continuous anode electrolytic cell further comprises a control device and 4 balance distance measuring instruments, wherein the balance distance measuring instruments are electrically connected with the control device, and the control device is electrically connected with the power device.
2. The apparatus for continuous anode cell balancing of anode stacks as claimed in claim 1, wherein: the distance between the support frame and the anode group is 5-10 cm.
3. The apparatus for continuous anode cell balancing of anode stacks as claimed in claim 1, wherein: the clutch device comprises a clutch; or, the clutch device is a clutch coupler.
4. An apparatus for continuous anode cell balancing of anode groups according to any one of claims 1 to 3, wherein: the power device is a servo motor.
5. The apparatus for continuous anode cell balancing of anode stacks as claimed in claim 1, wherein: the anode group comprises a fixed frame and more than 1 continuous anode arranged in the fixed frame, the fixed frame is provided with meshing teeth, and the dial wheel is meshed with the fixed frame through the meshing teeth; the balance range finder is installed on the fixed frame.
6. A method for balancing an anode group of an apparatus for balancing an anode group for a continuous anode cell according to any one of claims 1 to 5, comprising the steps of:
detecting the balance state of the anode group of the continuous anode electrolytic cell in the running process of the continuous anode electrolytic cell, and judging whether the anode group is inclined on one side or uneven locally;
when the anode group inclines on one side, the anode group balance adjusting unit on the side needing to be adjusted is controlled to act, the thumb wheel is driven to rotate through the power device, the thumb wheel is meshed with the anode group to drive the inclined side of the anode group to ascend or descend, the inclination is eliminated, and therefore the balance of the whole anode group is achieved;
when the anode group is locally uneven, the anode group balance adjusting unit which needs to be adjusted is controlled to act, the clutch devices corresponding to the partial thumb wheels in the anode group balance adjusting unit are controlled to be in a combined state, the clutch devices corresponding to the rest of the thumb wheels are controlled to be in a disengaged state, the thumb wheels are driven by the power device to rotate, the thumb wheels are meshed with the anode group, the local unevenness of the anode group is driven to ascend or descend, and the local unevenness is eliminated, so that the balance of the whole anode group is achieved.
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| CN111996554A (en) | 2020-11-27 |
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