CN103014774A - Aluminum electrolytic bath anode current distribution-based online measuring device and measuring method thereof - Google Patents
Aluminum electrolytic bath anode current distribution-based online measuring device and measuring method thereof Download PDFInfo
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- CN103014774A CN103014774A CN2013100124546A CN201310012454A CN103014774A CN 103014774 A CN103014774 A CN 103014774A CN 2013100124546 A CN2013100124546 A CN 2013100124546A CN 201310012454 A CN201310012454 A CN 201310012454A CN 103014774 A CN103014774 A CN 103014774A
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Abstract
The invention discloses an aluminum electrolytic bath anode current distribution-based online measuring device and a measuring method thereof, which can solve the problem that the existing measurement mode can not truly reflect the distribution condition of the aluminum electrolytic bath anode current. The online measuring device comprises a control system, a substrate, an anode current collector, a signal transmission device, a feed mechanism, and a signal collecting device, wherein the substrate is provided with a mounting hole, the anode current collector, the signal transmission device and the feed mechanism are arranged on the substrate, the signal collecting device is arranged on the feed mechanism; and the anode current collector is connected with the control system through wireless communication. Through the scheme, according to the aluminum electrolytic bath anode current distribution-based online measuring device and the measuring method thereof, the measurement on the voltage and temperature of an anode guide rod can be measured, so that the purpose of obtaining the current distribution condition of the anode guide rod can be achieved, and by combining the practice with theories perfectly, the aluminum electrolytic bath anode current distribution-based online measuring device has the advantages of being smart in design, low in production cost, simple in flow, high in measurement accuracy, convenient to use, and high in working efficiency.
Description
Technical field
The present invention relates to a kind of on-line measurement device that distributes based on aluminum cell anodic current, specifically, relate to a kind of on-line measurement device and measuring method thereof that distributes based on aluminum cell anodic current.
Background technology
At present, in the prebaked cell production process, need to carry out every day the measurement of Current distribution in anode in the existing electrolysis of aluminum industry, it adopts is that the manual measurement means of the equidistant volts lost of off-line are measured.
Yet therefore this kind metering system there is very large measuring error owing to can not eliminate the impact that the current measurement of anode rod temperature variation antianode brings; In addition, because manual measurement can only be measured an anode at every turn, carry out the measurement of next anode after having operated again again, so repeatedly carry out, not only process of measurement is complicated, and workload is large, and the time is long, inefficiency.Because the result who measures can not send into computer control system in real time, but must need first measurement result to be submitted to the related personnel, and then be input to Controlling System by the related personnel according to rules, the as a result lifetime of measuring is poor, therefore, existing metering system can not reflect the distribution situation of anode electrolytic cell electric current truly.
In addition, carrying out along with the electrolysis production process, the anode height also needs real-time adjustment, and along with the carrying out of electrolysis production process, anode also constantly is being consumed, so every relative position that just needs to adjust at regular intervals anode rod and bus, thereby adopt just dismounting measurement bay constantly of hard-wired current measurement frame, this also brings great inconvenience to surveying work.
In sum, if do not overcome the above problems, anodic current is measured and can't be produced a desired effect, and can't true reappearance anode electrolytic cell distribution of current situation and variation tendency, provide promptly and accurately data for operator in time adjust the anode height, thereby effectively prevent from concentrating the anode release failure that causes because of anodic current, further improve the current efficiency of electrolyzer, reduce anode consumption, reduce power consumption, and then reach the purpose of the conservation of power energy.
Summary of the invention
The on-line measurement device that the object of the present invention is to provide a kind of aluminum cell anodic current to distribute mainly solves the problem that existing metering system can not truly reflect the distribution situation of anode electrolytic cell electric current.
To achieve these goals, the technical solution used in the present invention is as follows:
On-line measurement device based on the aluminum cell anodic current distribution, comprise Controlling System, also comprise the substrate that is provided with open holes, be arranged on anodic current collector, signal transmitting apparatus and propulsive mechanism on this substrate, and be installed in the signal pickup assembly on this propulsive mechanism; Described anodic current collector is connected with this Controlling System by cableless communication.
Specifically, described signal transmitting apparatus comprises the support that is fixed on the substrate, and the aviation plug that is installed on this support, is used for the signal of signal pickup assembly collection is transferred to the anodic current collector.
Further, described propulsive mechanism comprises the retaining plate that is fixed on the substrate, is arranged on the locking hoop on this retaining plate, and is connected also movably shifting axle with this locking hoop; Described shifting axle is connected with signal pickup assembly.
Specifically, described signal pickup assembly comprises the probe fixing frame that is connected with shifting axle, be installed in respectively on this probe fixing frame and symmetrical the first probe springs and the second probe springs centered by shifting axle, the first probe that is connected with the first probe springs, the second probe that is connected with the second probe springs, and be installed on the probe fixing frame and the temperature-sensitive backing plate between the first probe and the second probe.
Again further, the junction of described shifting axle and probe fixing frame also is provided with the anti-rotation slide plate that rotates when preventing that shifting axle from moving.
Because relate to probe to the detection of electric current, therefore, described probe fixing frame is made by insulating material.
As preferably, described probe fixing frame is made of 3240 insulcretes.
Simultaneously, described substrate is made by stainless steel or ceramic.
On above-mentioned hardware foundation, the present invention also provides this measuring method based on the on-line measurement device of aluminum cell anodic current distribution, may further comprise the steps:
(1) substrate is installed on the bus of anode electrolytic cell guide rod by the open holes that is arranged on the substrate;
(2) utilize propulsive mechanism driving signal gathering device so that this signal pickup assembly and anode electrolytic cell guide rod close contact, and gathered real-time voltage signal and the temperature signal of anode electrolytic cell guide rod by signal pickup assembly;
(3) aviation plug transfers to the anodic current collector with voltage signal and the temperature signal of signal pickup assembly collection, and is translated into the anodic current signal by the anodic current collector;
(4) the anodic current collector is emitted to Controlling System with the anodic current signal, by Controlling System the signal that receives is transformed, processes, and draws the distribution situation of anodic current.
Specifically, described step (2) may further comprise the steps:
(2a) unscrew counterclockwise locking hoop, and promote shifting axle toward the direction near anode rod move until the first probe, the second probe and temperature-sensitive backing plate all with the surperficial close contact of anode rod;
(2b) screw clockwise locking hoop, make its locking shifting axle, at this moment, the first probe and the second probe gather the real-time voltage signal of anode rod, and the temperature-sensitive backing plate gathers the real time temperature signal of anode rod.
Principle of design of the present invention is: according to Ohm's law as can be known, electric current by one section conductor equals voltage on this section conductor divided by the resistance of this section conductor, the cross-sectional area of the resistance of one section conductor and this section conductor, length, resistivity is relevant, and resistivity is not only relevant with the material character of conductor, also relevant with the height of temperature, because the sectional area known constant of anode rod is constant, therefore, spacing one timing when the first probe and the second probe, its measurement be equidistant voltage because the resistivity of anode rod is also known, therefore, as long as record the voltage of a determining deviation on the guide rod and the temperature on this section guide rod, just can obtain the electric current of anode rod.Therefore, the technique means that the present invention adopts is that substrate is installed on the bus jig of anode rod, make it can be in the anode rod lifting, can be together mobile with anode rod, thereby guarantee relative movement can not occur between two probes and temperature-sensitive backing plate and the anode rod, guarantee measuring accuracy, then utilizing locking hoop to drive shifting axle moves, thereby so that the first probe, the second probe and temperature-sensitive backing plate and tested anode rod close contact, just can accurately obtain real-time current and the temperature of this anode rod, last by the anodic current collector signal that gathers is transmitted into just can process in the Controlling System again draw test result.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention is reasonable in design, and one-piece construction is simple, and is easy for installation, and result of use is good.
(2) the present invention will integrate theory with practice dexterously, it has adopted a kind of brand-new structure and mounting means, substrate is installed on the bus jig of anode rod, so that device can be together mobile with anode rod in the anode rod lifting, and unscrew to promote shifting axle by locking hoop, and then drive probe and the temperature-sensitive backing plate is close to anode rod, make its electric current of measuring anode rod and temperature, draw current distributions finally by Controlling System, the present invention is connected structure and flow process perfection, do not produce relative movement between measuring apparatus and the anode rod, thereby when promoting anode rod and adjusting pole span, do not need to dismantle and reinstall, and the mode that adopts cableless communication realizes the communication between Controlling System and the measure portion, thereby the means that replaced traditional manual entry take off data, therefore, it has reached online and has measured in real time, and transmit quickly and accurately measuring result, thereby draw the purpose of the distribution situation of anodic current, measuring accuracy is very high, and detection time is also very short.
(3) the present invention utilizes the temperature of temperature-sensitive backing plate antianode guide rod to detect in real time, can add compensation for the temperature of anode rod electric current.
(4) the present invention is provided with the anti-rotation slide plate, can prevent that shifting axle from rotating when mobile, affects the actual measurement spacing of probe on guide rod, thus the last precision of measuring of impact.
(5) substrate adopts stainless steel or ceramic to make among the present invention, and therefore, it has resistant to elevated temperatures characteristic, can come into operation better, and further improve the measuring accuracy of whole measuring apparatus.
(6) flow process of the present invention is succinct, the antianode electric current carries out continuous detecting effectively, and when detecting, do not need other power-equipment auxiliary yet, not only reduced anode consumption, the conservation of power energy, and free from environmental pollution, environmental protection and energy saving, high efficiency, the lower cost of utilization of the present invention has been realized scientific and technological innovation, has broken through the restriction of industry, it has the unrivaled huge advantage of prior art, therefore, compared with prior art, the present invention has outstanding substantive distinguishing features and significant progressive.
(7) cost performance of the present invention is high, with strong points, manufacturing cost, maintenance cost are all very low, be easy to batch production, and stable performance, and the present invention not only is confined to aluminum cell anodic current is measured, it also goes for equipment and device that any needs carry out measurement of inductance, therefore, the present invention has very high practical value and promotional value, is suitable for applying on a large scale on market.
Description of drawings
Fig. 1 is front view of the present invention.
Fig. 2 is the side-view of part component of the present invention.
Fig. 3 is use state graph of the present invention.
Fig. 4 is schematic flow sheet of the present invention.
Wherein, the component name that above-mentioned Reference numeral is corresponding is called:
The 1-Controlling System, 2-substrate, 3-open holes, the 4-locking hoop, 5-shifting axle, 6-retaining plate, the 7-probe fixing frame, 8-the first probe, 9-the first probe springs, 10-temperature-sensitive backing plate, 11-the second probe, 12-the second probe springs, 13-anti-rotation slide plate, 14-support, 15-aviation plug, 16-anodic current collector, 17-bus jig.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, and embodiments of the present invention include but not limited to the following example.
Embodiment
Shown in Fig. 1～4, the present invention is used for measuring the real-time distribution situation of aluminum cell anodic current, it comprises Controlling System 1, substrate 2, signal transmitting apparatus, propulsive mechanism, signal pickup assembly and anodic current collector 16, wherein, Controlling System 1 is used for the signal that gathers is processed, thereby obtains the real-time current distribution situation of anode rod, this Controlling System 1 is identical with Controlling System in the background technology, it is prior art, therefore, no longer it is described in detail.Controlling System 1 is connected with anodic current collector 16 by the mode of cableless communication, and therefore, anodic current collector 16 can be passed to Controlling System 1 with signal by the form of wireless transmission.Described anodic current collector 16 is installed on the substrate 2, then be provided with open holes 3 on the substrate 2, nut on the bus jig 17 of this open holes 3 and anode rod is complementary, because signal transmitting apparatus and propulsive mechanism are installed on the substrate 2, and signal pickup assembly is connected with propulsive mechanism, therefore, by behind the nut that open holes 3 is advanced bus jig 17 this nut being screwed and test section of the present invention can be fixed on the bus, substrate 2 can be moved along with the movement of bus, thereby realize with anode rod together mobile, guarantee relative movement can not occur between the two, guarantee the precision of measuring.And as preferred, this substrate 2 is made by stainless steel or ceramic.
Signal transmitting apparatus is used for the signal of signal pickup assembly collection is passed to anodic current collector 16, and specifically, this signal transmitting apparatus comprises the support 14 that is fixed on the substrate 2 and the aviation plug 15 that is installed on this support 14.Aviation plug 15 is prior art, it generally is comprised of plug and socket, by plugging together and the connection and the disconnection that are connected to realize circuit of plug, socket, therefore the signal of signal pickup assembly collection can transfer to anodic current collector 16 by it when the plug and socket of aviation plug 15 plugs together.
Propulsive mechanism then is for the mechanism with signal pickup assembly and anode rod close contact, and it comprises the retaining plate 6 that is fixed on the substrate 2, is arranged on the locking hoop 4 on this retaining plate 6, and is connected with this locking hoop 4 and drives mobile shifting axle 5 by it; Described signal pickup assembly then comprises the probe fixing frame 7 that is connected with shifting axle 5, be installed in respectively on this probe fixing frame 7 and symmetrical the first probe springs 9 and the second probe springs 12 centered by shifting axle 5, the first probe 8 that is connected with the first probe springs 9, the second probe 11 that is connected with the second probe springs 12, and be installed on the probe fixing frame 7 and the temperature-sensitive backing plate 10 between the first probe 8 and the second probe 11, temperature-sensitive backing plate 10 is prior art, and it is made of backing plate and the electronic temperature sensing device that is installed in the backing plate.The front end of shifting axle 5 is connected with the temperature-sensitive backing plate with probe fixing frame 7 by bolt and is connected, this probe fixing frame 7 is made by insulating material and (perhaps also can be adopted metallic substance to make, then increase insulating sleeve at its outside surface), as preferably, among the present invention, probe fixing frame 7 is made of 3240 insulcretes.Shifting axle 5 cooperate with locking hoop 4 realize probe fixing frame 7 towards near or move away from the direction of anode rod, the front end of the first probe 8 and the second probe 11 all is the umbrella head, the rear end is screw thread, can make two probes realize moving forward and backward by cooperating with the first probe springs 9 and the second probe springs 12, in the process that advances, the first probe 8 and the continuous indentation of the second probe 11 meetings, because the effect of the first probe springs 9 and the second probe springs 12 being arranged, therefore, first, the second probe can keep the good contact with anode rod all the time, and this process can last till that whole progradation finishes, this progradation can last till till temperature-sensitive backing plate 10 and the anode rod close contact simultaneously, therefore, cooperate and to make things convenient for the elastic force of the first probe springs 9 and the second probe springs 12 by it, rapidly with first, the second probe and temperature-sensitive backing plate 10 are fixed on the anode rod.In addition, move when driving probe fixing frame 7 and moving at shifting axle 5, rotate for preventing shifting axle 5, also be provided with anti-rotation slide plate 13 in the two junction of shifting axle 5 and probe fixing frame 7.
By above-mentioned setting, just the real-time voltage of antianode guide rod and temperature are measured well, thereby draw the current distributions of anode rod.Shown in Fig. 3,4, working process of the present invention is as follows:
(1) substrate is installed on the bus of anode electrolytic cell guide rod by the open holes that is arranged on the substrate;
(2) utilize propulsive mechanism driving signal gathering device so that this signal pickup assembly and anode electrolytic cell guide rod close contact, and gathered real-time voltage signal and the temperature signal of anode electrolytic cell guide rod by signal pickup assembly; In this process, owing to can learn in real time the real time temperature of anode rod, therefore can compensate by the temperature of the mode antianode guide rod electric current that adds, make its all the time requirement of coincidence measurement;
The specific implementation process of this step is:
(2a) unscrew counterclockwise locking hoop, and promote shifting axle toward the direction near anode rod move until the first probe, the second probe and temperature-sensitive backing plate all with the surperficial close contact of anode rod;
(2b) screw clockwise locking hoop, make its locking shifting axle, at this moment, the first probe and the second probe gather the real-time voltage signal of anode rod, and the temperature-sensitive backing plate gathers the real time temperature signal of anode rod; When gathering the temperature signal of anode rod;
(3) collect the real-time voltage signal and temperature of anode rod after, aviation plug transfers to the anodic current collector with voltage signal and the temperature signal of signal pickup assembly collection, and is translated into the anodic current signal by the anodic current collector;
(4) the anodic current collector is sent to Controlling System with the mode of anodic current signal by wireless transmission, by Controlling System the signal that receives is transformed, processes, and draws at last the real-time distribution situation of anodic current.
The present invention has adopted a kind of brand-new structure design, can when measuring anode rod voltage, detect its temperature, eliminate because the impact that the anode rod temperature variation causes the current measurement of anode rod change in resistance antianode to bring, and the mode by transmission over radio is sent to Controlling System with measuring result and processes, it can reflect the distribution situation of anode electrolytic cell electric current truly, and measuring accuracy is high, measure portion of the present invention can move along with the movement of bus, thereby so that it can be mobile simultaneously with anode rod, step is consistent constantly, do not need artificial continually it mounted and dismounted just constantly the equidistant voltage of holding anode guide rod and measure in real time, the present invention be directed to large innovation and the improvement that prior art proposes, it has substantial improvement, has really solved the anodic current problems of measurement that is always perplexing the electrolysis of aluminum industry.The present invention can measure the electric current by any known materials conductor, and therefore, it has very high practical value and promotional value.
According to above-described embodiment, just can realize well the present invention.What deserves to be explained is; under the prerequisite based on said structure design, for solving same technical problem, even some that make in the present invention are without substantial change or polishing; the essence of the technical scheme that adopts is still consistent with the present invention, also should be in protection scope of the present invention.
Claims (10)
1. the on-line measurement device that distributes based on aluminum cell anodic current, comprise Controlling System (1), it is characterized in that, also comprise the substrate (2) that is provided with open holes (3), be arranged on anodic current collector (16), signal transmitting apparatus and propulsive mechanism on this substrate (2), and be installed in the signal pickup assembly on this propulsive mechanism; Described anodic current collector (16) is connected with Controlling System (1) by cableless communication.
2. the on-line measurement device that distributes based on aluminum cell anodic current according to claim 1, it is characterized in that, described signal transmitting apparatus comprises the support (14) that is fixed on the substrate (2), and is installed in the aviation plug (15) that this support (14) is upper, be used for the signal of signal pickup assembly collection is transferred to anodic current collector (16).
3. the on-line measurement device that distributes based on aluminum cell anodic current according to claim 2, it is characterized in that, described propulsive mechanism comprises the retaining plate (6) that is fixed on the substrate (2), be arranged on the locking hoop (4) on this retaining plate (6), and be connected also movably shifting axle (5) with this locking hoop (4); Described shifting axle (5) is connected with signal pickup assembly.
4. the on-line measurement device that distributes based on aluminum cell anodic current according to claim 3, it is characterized in that, described signal pickup assembly comprises the probe fixing frame (7) that is connected with shifting axle (5), be installed in respectively this probe fixing frame (7) upper and centered by shifting axle (5) symmetrical the first probe springs (9) and the second probe springs (12), the first probe (8) that is connected with the first probe springs (9), the second probe (11) that is connected with the second probe springs (12), and it is upper and be positioned at temperature-sensitive backing plate (10) between the first probe (8) and the second probe (11) to be installed in probe fixing frame (7).
5. the on-line measurement device that distributes based on aluminum cell anodic current according to claim 4, it is characterized in that, described shifting axle (5) also is provided be used to the anti-rotation slide plate (13) that prevents that shifting axle (5) from rotating when mobile with the junction of probe fixing frame (7).
6. the on-line measurement device that distributes based on aluminum cell anodic current according to claim 5 is characterized in that, described probe fixing frame (7) is made by insulating material.
7. the on-line measurement device that distributes based on aluminum cell anodic current according to claim 6 is characterized in that, described probe fixing frame (7) is made of 3240 insulcretes.
8. the described on-line measurement device that distributes based on aluminum cell anodic current of any one is characterized in that according to claim 1～7, and described substrate (2) is made by stainless steel or ceramic.
9. the measuring method of the on-line measurement device that distributes based on aluminum cell anodic current is characterized in that, may further comprise the steps:
(1) substrate is installed on the bus of anode electrolytic cell guide rod by the open holes that is arranged on the substrate;
(2) utilize propulsive mechanism driving signal gathering device so that this signal pickup assembly and anode electrolytic cell guide rod close contact, and gathered real-time voltage signal and the temperature signal of anode electrolytic cell guide rod by signal pickup assembly;
(3) aviation plug transfers to the anodic current collector with voltage signal and the temperature signal of signal pickup assembly collection, and is translated into the anodic current signal by the anodic current collector;
(4) the anodic current collector is emitted to Controlling System with the anodic current signal, by Controlling System the signal that receives is transformed, processes, and draws the distribution situation of anodic current.
10. the measuring method of the on-line measurement device that distributes based on aluminum cell anodic current according to claim 9 is characterized in that, described step (2) may further comprise the steps:
(2a) unscrew counterclockwise locking hoop, and promote shifting axle toward the direction near anode rod move until the first probe, the second probe and temperature-sensitive backing plate all with the surperficial close contact of anode rod;
(2b) screw clockwise locking hoop, make its locking shifting axle, at this moment, the first probe and the second probe gather the real-time voltage signal of anode rod, and the temperature-sensitive backing plate gathers the real time temperature signal of anode rod.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104018187A (en) * | 2014-06-18 | 2014-09-03 | 四川华索自动化信息工程有限公司 | Maintenance-free scrollable two-layer flexible structure system for real-time measurement of anode current distribution |
| CN104120455A (en) * | 2014-07-25 | 2014-10-29 | 湖南中南华翔科技有限公司 | Online measurement method and device for anode current of aluminum electrolytic cell |
| CN104278295A (en) * | 2013-07-04 | 2015-01-14 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis tank anode current distribution measuring system and measuring method thereof |
| CN105074057A (en) * | 2013-04-04 | 2015-11-18 | 德诺拉工业有限公司 | Electrolytic cell for metal electrowinning |
| CN105441981A (en) * | 2015-11-27 | 2016-03-30 | 贵阳铝镁设计研究院有限公司 | Method and device for wirelessly detecting current of aluminum electrolytic anode rod |
| CN105441980A (en) * | 2015-05-28 | 2016-03-30 | 贵阳铝镁设计研究院有限公司 | Online monitoring device for anode current distribution of aluminum electrolysis cell and monitoring method of online monitoring device |
| CN110501561A (en) * | 2019-09-27 | 2019-11-26 | 贵阳铝镁设计研究院有限公司 | Aluminum cell anodic current is distributed on-line detecting system and its method |
| CN110656355A (en) * | 2019-11-06 | 2020-01-07 | 贵阳铝镁设计研究院有限公司 | Clamp of aluminum cell anode current distribution detection device |
| CN112162138A (en) * | 2020-08-27 | 2021-01-01 | 中铝郑州有色金属研究院有限公司 | Device and method for measuring balanced anode current distribution |
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| CN105074057A (en) * | 2013-04-04 | 2015-11-18 | 德诺拉工业有限公司 | Electrolytic cell for metal electrowinning |
| CN104278295A (en) * | 2013-07-04 | 2015-01-14 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis tank anode current distribution measuring system and measuring method thereof |
| CN104278295B (en) * | 2013-07-04 | 2018-08-28 | 贵阳铝镁设计研究院有限公司 | A kind of aluminum cell anodic current distribution measurement system and its measurement method |
| CN104018187A (en) * | 2014-06-18 | 2014-09-03 | 四川华索自动化信息工程有限公司 | Maintenance-free scrollable two-layer flexible structure system for real-time measurement of anode current distribution |
| CN104120455A (en) * | 2014-07-25 | 2014-10-29 | 湖南中南华翔科技有限公司 | Online measurement method and device for anode current of aluminum electrolytic cell |
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| CN105441981A (en) * | 2015-11-27 | 2016-03-30 | 贵阳铝镁设计研究院有限公司 | Method and device for wirelessly detecting current of aluminum electrolytic anode rod |
| CN110501561A (en) * | 2019-09-27 | 2019-11-26 | 贵阳铝镁设计研究院有限公司 | Aluminum cell anodic current is distributed on-line detecting system and its method |
| CN110656355A (en) * | 2019-11-06 | 2020-01-07 | 贵阳铝镁设计研究院有限公司 | Clamp of aluminum cell anode current distribution detection device |
| CN112162138A (en) * | 2020-08-27 | 2021-01-01 | 中铝郑州有色金属研究院有限公司 | Device and method for measuring balanced anode current distribution |
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