CN204714917U - Based on aluminum cell aluminum liquor interface fluctuation and the pole span on-Line Monitor Device of Carrier wave - Google Patents
Based on aluminum cell aluminum liquor interface fluctuation and the pole span on-Line Monitor Device of Carrier wave Download PDFInfo
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- CN204714917U CN204714917U CN201520355115.2U CN201520355115U CN204714917U CN 204714917 U CN204714917 U CN 204714917U CN 201520355115 U CN201520355115 U CN 201520355115U CN 204714917 U CN204714917 U CN 204714917U
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Abstract
The utility model discloses a kind of aluminum cell aluminum liquor interface fluctuation and pole span on-Line Monitor Device, it utilizes the fixture of carrier signal line jointed anode guide rod (1) to be connected with carrier equipment (2), another root signal wire to be contained in cathode steel bar blast welding block (5) and signal receiving device (3) in advance; Carrier equipment (2) O end is held with signal receiving device (3) N and is connected to form a measuring circuit; Carrier equipment (2) is loaded into the sinusoidal signal of a CF f to measuring circuit, measures pole span; Signal receiving device (3) is connected with industrial computer (4); Signal receiving device (3) receives input voltage U
aOwith output voltage U
mNdata, and by the data transmission after process to industrial computer (4); Thus electrolyzer is equivalent to a LCR circuit, by calculating output voltage U
mNwith input voltage U
aOamplitude Ration, can calculate pole span.
Description
Technical field
The utility model relates to electrolysis of aluminum monitoring technical field, particularly relates to a kind of aluminum cell aluminum liquor interface fluctuation based on Carrier wave and pole span on-Line Monitor Device.
Background technology
In Aluminium Electrolysis, pole span refers to that aluminium cell anode bottom is to the distance between negative electrode aluminium liquid and electrolytical interface.It is the electrochemical reaction region in electrolytic process, is again the source center maintaining electrolysis temperature, therefore, regulates the change of pole span to be the important means that Aluminium Electrolysis controls.Increase pole span, although can improve current efficiency, bath voltage also increases thereupon, and energy consumption is higher, so aluminium cell only has the pole span keeping certain normally to produce.In addition, due in reaction process, anodic gas CO under anode bottom
2production, motion and discharge and magnetic field effect can disturbance aluminium liquid interface, form aluminium liquid interface fluctuation, also can cause the increase of energy consumption.In sum, the Real-Time Monitoring realizing electrolysis of aluminum aluminium liquid interface fluctuation and pole span is of great significance for the energy-saving and cost-reducing tool of Aluminium Electrolysis.
At present, industrial great majority adopt pricker method of inserting to measure pole span, the method be artificial by special hammer drill from aluminium flowing-out mouth insertion groove, extract the height then recording pole span out.This method not only have ignored the fluctuation at aluminium liquid interface, and error is very large, and the pole span of reaction electrolyzer certain that can only be rough, can not reflect the changing conditions of whole electrolyzer pole span; Also have the relative size adopting the equidistant pressure decline method of anode rod to judge different slots condition aluminium liquid interface fluctuation, but the method can not determine the height of aluminium liquid interface fluctuation; Also have adopt that unit height electrolyte voltage is fallen, volts lost beyond several just ionogen pressure drop of bath voltage calculates real-time pole span and calculates aluminium liquid height, but the method by electrolysis operating mode and potline current constant premised on, truly can not reflect the situation of pole span and aluminium liquid interface fluctuation in actual production; Also have and adopt built-up type test probe to insert in bath of cell, from each probe acquisition from anode bottom to negative electrode, each several part voltage-drop data calculates the method for pole span and aluminium liquid interface fluctuation situation, but the method is also to measure the pole span value of electrolyzer certain area.
Utility model content
The purpose of this utility model is to provide a kind of based on the aluminum cell aluminum liquor interface fluctuation of Carrier wave and the on-Line Monitor Device of pole span, large to solve prior art measuring error, full groove aluminium liquid interface fluctuation and pole span change can not be reflected in real time, cause the problems such as electrolysis production level of control is low.
The technical solution of the utility model is as follows:
A kind of aluminum cell aluminum liquor interface fluctuation based on Carrier wave of the present utility model and pole span on-Line Monitor Device, it comprises carrier equipment, signal receiving device and industrial computer, and carrier equipment is electrically connected with signal receiving device, and signal receiving device is connected with industrial computer; Self-control carrier signal line, band connection terminal one end is mounted on (signal loading point) on the fixture of anode rod, and band aviation plug one end is carried wave apparatus A and held; The access of another root signal tape connection terminal one end is contained in the terminal stud on cathode steel bar blast welding block in advance, band aviation plug one termination signal receiving device M end; Carrier equipment O end is held with signal receiving device N and is connected to form measuring circuit.Carrier equipment can produce different carrier signals according to grooved difference; Described signal receiving device, it also comprises parameter adjustment circuit, filtering circuit and data collecting card; Signal receiving device is at least 4 passages.
Utilize this device of the present utility model to carry out on-line monitoring method to comprise the following steps:
Step 1: self-control carrier signal line (high-temperature shielding wires), band connection terminal one end is mounted on (signal loading point) on the fixture of anode rod, and band aviation plug one end is carried wave apparatus A and held;
Step 2: another root signal wire (high-temperature shielding wires) is contained in the terminal stud on cathode steel bar blast welding block in advance with the access of connection terminal one end, band aviation plug one termination signal receiving device M end;
Step 3: carrier equipment O end is held with signal receiving device N and is connected to form a measuring circuit;
Step 4: carrier equipment is loaded into the sinusoidal signal of a CF f to measuring circuit, measures pole span;
Step 5: signal receiving device is electrically connected with industrial computer;
Step 6: signal receiving device receives input voltage U
aOwith output voltage U
mNdata, and by the data transmission after process to industrial computer;
Step 7: electrolyzer is equivalent to a LCR circuit, industrial computer is according to formula:
By calculating output voltage U
mNwith input voltage U
aOamplitude Ration, can calculate pole span.In formula: C
xfor pole span equivalent capacity; ε is relative permittivity; ε
0for permittivity of vacuum; Z
1for the resulting impedance of electrolyzer equivalent electrical circuit; Z is the resulting impedance of measuring circuit; Wherein, the loop that measuring circuit both can be between electrolyzer electricity input side or electricity output side anode rod cathode steel caput corresponding to it electricity input side or electricity output side calculates pole span, and the electricity output side that also can be cathode steel caput electricity input side that electricity input side anode rod is adjacent or the cathode steel bar corresponding with it forms loop monitoring aluminium liquid interface fluctuation situation.
The utility model beneficial effect:
Utilizing the on-Line Monitor Device that the utility model provides, can the real-time pole span in each region of Obtaining Accurate electrolyzer and aluminium liquid interface fluctuation situation be that the optimization management and control of aluminium cell provides powerful Data support online; The utility model solves prior art and measures out of true, is difficult to carry out Real-Time Monitoring to the pole span under various operating mode and aluminium liquid interface fluctuation change of state, causes the problems such as electrolysis production level of control is low.
Accompanying drawing explanation
Fig. 1 is the utility model monitoring device structural representation;
Fig. 2 is the utility model monitoring method principle schematic equivalent circuit;
Fig. 3 is the utility model monitoring method different measuring circuit diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, this aluminum cell aluminum liquor interface fluctuation based on Carrier wave of the present utility model and pole span on-Line Monitor Device, it comprises carrier equipment 2, signal receiving device 3 and industrial computer 4, and carrier equipment 2 is electrically connected with signal receiving device 3, and signal receiving device 3 is connected with industrial computer 4; Self-control carrier signal line, this carrier signal line is high-temperature shielding wires, one end band connection terminal, another end band aviation plug.Be mounted on carrier signal tape connection terminal one end (signal loading point) on the fixture of anode rod 1, the A end of wave apparatus 2 is carried in band aviation plug one end; The access of another root signal tape connection terminal one end is contained in the terminal stud on cathode steel bar blast welding block 5 in advance, the M end of band aviation plug one termination signal receiving device 3; The O end of carrier equipment 2 is held with the N of signal receiving device 3 and is connected to form measuring circuit.Carrier equipment can produce different carrier signals according to grooved difference; Signal receiving device 3 comprises parameter adjustment circuit, filtering circuit and data collecting card; Signal receiving device 3 is at least four-way.
As shown in Figure 2, Fig. 2 illustrates the utility model monitoring method principle schematic equivalent circuit.Monitoring method of the present utility model is such: will make carrier signal line (high-temperature shielding wires) by oneself, and band connection terminal one end is mounted on (signal loading point) on the fixture of anode rod 1, and the A end of wave apparatus 2 is carried in band aviation plug one end; Another root signal wire (high-temperature shielding wires) is contained in the terminal stud on cathode steel bar blast welding block 5 in advance with the access of connection terminal one end, the M end of band aviation plug one termination signal receiving device 3; The O end of carrier equipment 2 is held with the N of signal receiving device 3 and is connected to form a measuring circuit; Carrier equipment 2 is loaded into the sinusoidal signal of a CF f to measuring circuit, measures pole span; Signal receiving device 3 is electrically connected with industrial computer 4; Signal receiving device 3 receives input voltage U
aOwith output voltage U
mNdata, and by the data transmission after process to industrial computer 4; By calculating output voltage U
mNwith input voltage U
aOamplitude Ration, can calculate pole span.
Implement a kind of measuring circuit of the utility model monitoring method as shown in Figure 3: the loop between electrolyzer electricity input side anode rod A1 cathode steel caput corresponding to it electricity input side 0 or electricity output side 1 calculates pole span, the electricity output side 3 that also can be cathode steel caput electricity input side 2 that electricity input side anode rod A1 is adjacent or the cathode steel bar corresponding with it forms loop and monitors aluminium liquid interface fluctuation situation.
Certainly, more than just embody rule example of the present utility model, the technical scheme that the utility model also has other embodiment, all employings to be equal to replacement or equivalent transformation to be formed, all drops within the protection domain required by the utility model.
Claims (5)
1. based on aluminum cell aluminum liquor interface fluctuation and the pole span on-Line Monitor Device of Carrier wave, it is characterized in that: it comprises carrier equipment (2), signal receiving device (3) and industrial computer (4); Carrier equipment (2) is electrically connected with signal receiving device (3), and signal receiving device (3) electrical connection is electrically connected with industrial computer (4).
2. the aluminum cell aluminum liquor interface fluctuation based on Carrier wave according to claim 1 and pole span on-Line Monitor Device, it is characterized in that: adopt high-temperature shielding wires as carrier signal line, this carrier signal line one end is provided with connection terminal, and the other end is provided with aviation plug; A fixture carrier signal tape connection terminal one end being mounted on anode rod (1) is loaded into point as signal, and band aviation plug one end is carried wave apparatus (2) A and is held; The access of another root carrier signal tape connection terminal one end is contained in the terminal stud on cathode steel bar blast welding block (5) in advance, and band aviation plug one termination signal receiving device (3) M holds; Carrier equipment (2) O end is held with signal receiving device (3) N and is connected to form measuring circuit.
3. the aluminum cell aluminum liquor interface fluctuation based on Carrier wave according to claim 1 and pole span on-Line Monitor Device, is characterized in that: described carrier equipment (2) produces different carrier signals according to grooved difference.
4. the aluminum cell aluminum liquor interface fluctuation based on Carrier wave according to claim 1 and pole span on-Line Monitor Device, is characterized in that: described signal receiving device (3) comprises parameter adjustment circuit, filtering circuit and data collecting card.
5. the aluminum cell aluminum liquor interface fluctuation based on Carrier wave according to claim 1 and pole span on-Line Monitor Device, is characterized in that: signal receiving device (3) is at least 4 passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355115.2U CN204714917U (en) | 2015-05-28 | 2015-05-28 | Based on aluminum cell aluminum liquor interface fluctuation and the pole span on-Line Monitor Device of Carrier wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355115.2U CN204714917U (en) | 2015-05-28 | 2015-05-28 | Based on aluminum cell aluminum liquor interface fluctuation and the pole span on-Line Monitor Device of Carrier wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204714917U true CN204714917U (en) | 2015-10-21 |
Family
ID=54313922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520355115.2U Withdrawn - After Issue CN204714917U (en) | 2015-05-28 | 2015-05-28 | Based on aluminum cell aluminum liquor interface fluctuation and the pole span on-Line Monitor Device of Carrier wave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204714917U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463512A (en) * | 2015-05-28 | 2016-04-06 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis cell molten aluminum interface fluctuation and pole distance online monitoring method and device |
| CN108221004A (en) * | 2018-02-07 | 2018-06-29 | 中南大学 | A kind of measuring method of molten aluminum interface fluctuation |
| CN111291489A (en) * | 2020-02-17 | 2020-06-16 | 广东嘉元科技股份有限公司 | Polar distance calculation method and polar distance adjustment method for cathode roller and anode tank |
-
2015
- 2015-05-28 CN CN201520355115.2U patent/CN204714917U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463512A (en) * | 2015-05-28 | 2016-04-06 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis cell molten aluminum interface fluctuation and pole distance online monitoring method and device |
| CN108221004A (en) * | 2018-02-07 | 2018-06-29 | 中南大学 | A kind of measuring method of molten aluminum interface fluctuation |
| CN111291489A (en) * | 2020-02-17 | 2020-06-16 | 广东嘉元科技股份有限公司 | Polar distance calculation method and polar distance adjustment method for cathode roller and anode tank |
| CN111291489B (en) * | 2020-02-17 | 2020-11-03 | 广东嘉元科技股份有限公司 | Polar distance calculation method and polar distance adjustment method for cathode roller and anode tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151021 Effective date of abandoning: 20180206 |