CN109371428A - A kind of device and method of automatic the detection aluminium electrolyte degree of superheat and electrolysis temperature - Google Patents
A kind of device and method of automatic the detection aluminium electrolyte degree of superheat and electrolysis temperature Download PDFInfo
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- CN109371428A CN109371428A CN201811556218.XA CN201811556218A CN109371428A CN 109371428 A CN109371428 A CN 109371428A CN 201811556218 A CN201811556218 A CN 201811556218A CN 109371428 A CN109371428 A CN 109371428A
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- temperature
- superheat
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 96
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 75
- 239000003792 electrolyte Substances 0.000 title claims abstract description 69
- 239000004411 aluminium Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 230000009977 dual effect Effects 0.000 claims abstract description 31
- 238000007405 data analysis Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000004458 analytical method Methods 0.000 claims abstract description 14
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- 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
- C25C3/20—Automatic control or regulation of cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
Abstract
The invention belongs to technical field of inorganic, more particularly to a kind of device and method of automatic detection the aluminium electrolyte degree of superheat and electrolysis temperature.This method is when aluminium cell carries out the operation of replacement anode, the aluminium electrolyte degree of superheat and electrolysis temperature detection dual sensor are penetrated in electrolyte, measurement data is sent to data analysis system by data transmission system, by the analysis of the data analysis system, the aluminium electrolyte degree of superheat and electrolysis temperature are obtained, analysis result is sent to aluminium electrolysis cell control system by the data transmission system.This method real-time monitoring electrolyte superheat degree and electrolysis temperature simultaneously send data to cell control system, reduce the labor intensity of worker, and the intelligent control for improving labor productivity and electrolytic cell is horizontal.
Description
Technical field
The invention belongs to technical field of inorganic, more particularly to a kind of automatic detection aluminium electrolyte degree of superheat and electrolysis temperature
The device and method of degree.
Background technique
In recent years, with the rapid development of China's Aluminium Industry, primary aluminum yield is sharply increased.Aluminum electrolysis is automatic
Change, it is unmanned require it is growing day by day.During electrolysis production, for the stable operation for guaranteeing electrolytic cell, need to keep electrolytic cell
Material balance and heat balance.Currently, by Computer Control Technology, to realize material balance, and for heat balance,
Despite the use of several control technologies, but since the temperature parameter of electrolyte cannot be provided in due course, make the credibility of control effect
It is affected with validity.
The aluminium electrolyte degree of superheat and electrolysis temperature are the important heat parameters during aluminum smelting technology.The degree of superheat and electrolysis temperature
There is substantial connection with electrolytic process electrolytic cell thermal balance, electrolyte superheat degree increases, and charcoal consumption increases, and ledge is thinned, shortening of stretching one's legs；
Electrolyte superheat degree is reduced, and ledge is thickened, stretched one's legs elongated.Therefore, electrolyte melt temperature directly affects the thermostabilization of electrolytic cell
Property and current efficiency, or even will affect bath life.
The measurement of aluminium electrolytic temperature is still manual measurement at present, i.e., first knocks electrolyte shell surface open by worker, then thermoelectricity
It is measured in even insertion electrolyte, measured value is finally inputted computer.Such measurement method need to spend a large amount of manpower and when
Between, large labor intensity, working efficiency is low.And measurement result cannot real-time metering-in control system, pass through manual sampling analysis electricity
Solution matter molecule indirectly controls electrolyte superheat degree, will cause that rule in aluminum electrolysis control information is not complete, and artificial input data's lag influences
Aluminum electrolysis.
Summary of the invention
(1) technical problems to be solved
For existing technical problem, the present invention provides a kind of the detection aluminium electrolyte degree of superheat and electrolysis temperature automatically
Device and method, this method real-time monitoring electrolyte superheat degree and electrolysis temperature and can send data to cell control system, drop
The low labor intensity of worker, the intelligent control for improving labor productivity and electrolytic cell are horizontal.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
The present invention provides the device of a kind of automatic detection the aluminium electrolyte degree of superheat and electrolysis temperature, which includes double-sensing
Device, data transmission system, data analysis system and aluminum electrolysis multifunctional overhead crane；The dual sensor is set to the more function of the aluminium electroloysis
Can be on overhead traveling crane, the data transmission system and data analysis system are set to the controller electricity box of the aluminum electrolysis multifunctional overhead crane
It is interior；
The aluminum electrolysis multifunctional overhead crane drives the dual sensor to pass in and out by manual operation, by preset program
In aluminium electrolyte；
The dual sensor includes first sensor and second sensor, and the first sensor and second sensor are used for
Measure liquidus temperature of aluminium electrolyte and electrolysis temperature；
The dual sensor connects the data transmission system, and the data transmission system connects data analysis system.
Such as above-mentioned device, it is preferable that the data analysis system includes analysis instrument, described analysis instrument one end and institute
Data transmission system connection is stated, the other end is connect with computer.
Such as above-mentioned device, it is preferable that the analysis instrument is Thermocouple module and potential difference meter, or is Thermocouple module
And multimeter.
Such as above-mentioned device, it is preferable that the data transmission system includes compensating wire, described compensating wire one end and institute
Dual sensor connection is stated, the other end is connect with the analysis instrument.
The present invention also provides it is a kind of using device described in any of the above-described scheme detect automatically the aluminium electrolyte degree of superheat and
The method of electrolysis temperature comprising following steps:
S1, the dual sensor for being used to measure liquidus temperature of aluminium electrolyte and electrolysis temperature is mounted on aluminium electrolysis multifunctional day
Che Shang, data transmission system and data analysis system are mounted in the controller electricity box of aluminum electrolysis multifunctional overhead crane；
S2, in aluminum electrolysis cell anode replacement operation, the probe of the dual sensor decline automatically penetrate electrolyte it is interior into
Row measurement, after measurement, lifts probe automatically；
S3, the data that measurement obtains are transmitted to data analysis system, data analysis system by the data transmission system
System analysis obtains aluminum cell electrolyte liquidus temperature, electrolysis temperature and the degree of superheat；
The information of aluminum cell electrolyte liquidus temperature, electrolysis temperature and the degree of superheat is passed through net by S4, data analysis system
Network is directly transmitted to the cell control system connecting with electrolyte.
Wherein, the dual sensor includes the first temperature sensor and second temperature sensor, and dual sensor is by measurement
Data are transmitted to data analysis system by data transmission system, and data analysis system obtains aluminium electrolyte electrolysis temperature, primary crystal
Temperature and the degree of superheat (that is, difference of electrolysis temperature and liquidus temperature).
Such as above-mentioned method, it is preferable that it is 5cm-15cm that the probe of the dual sensor, which penetrates the depth in electrolyte,.
Such as above-mentioned method, it is preferable that the probe of the dual sensor penetrates the time in electrolyte as 1min-3min.
(3) beneficial effect
The beneficial effects of the present invention are:
1, method provided by the invention is automatically brought into operation the dual sensor detection aluminium electrolyte degree of superheat and electricity by multifunction crane
Temperature is solved, the labor intensity of worker is reduced, improves labor productivity, improve current efficiency, reduce aluminium electroloysis energy
Consumption.
2, method provided by the invention, sensor is mounted on multifunction crane, in pole changing of aluminum electrolytic cell interval into
Row measurement, the intelligent control for greatly improving labor productivity and electrolytic cell are horizontal.
3, method provided by the invention live can monitor electrolyte superheat degree and electrolysis temperature on-line, directly will measurement
As a result it is automatically fed to slot control machine, slot control machine directly controls aluminum electrolysis using important degree of superheat information and temperature information,
Play a significant role to the intelligent control of aluminum electrolysis.
4, method provided by the invention, the purpose based on the automatic measurement aluminium electrolyte degree of superheat and electrolysis temperature are aluminium electricity
Solution industry solves the problems, such as, increases benefit, improves the technical level of China's aluminium electrolytic industry.
5, method provided by the invention can effectively solve since the aluminium electrolyte degree of superheat and electrolysis temperature measure band not in time
The problem come preferably carries out energy balance to electrolytic cell and material balance controls, raise labour productivity, it is raw to reduce electrolytic aluminium
The energy consumption of production improves current efficiency, is suitble to carry out application in the industrial production.
Detailed description of the invention
Fig. 1 is the schematic device in the present invention.
[description of symbols]
2: the first temperature sensors；3: compensating wire；4: data analysis system；5: protection sleeve pipe；6: second temperature sensing
Device.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
Embodiment 1
As shown in Figure 1, to detect the schematic diagram of the device of the aluminium electrolyte degree of superheat and electrolysis temperature in the present invention automatically, it should
Device includes that the first temperature sensor 2, second temperature sensor 6, data transmission system, data analysis system 4 and aluminium electroloysis are more
Function overhead traveling crane.The data transmission system includes compensating wire 3.The aluminum electrolysis multifunctional overhead crane is by manual operation, by pre-
The program first set drives the first temperature sensor 2, second temperature sensor 6 to pass in and out in aluminium electrolyte.
First temperature sensor 2 and second temperature sensor 6 are fixed in protection sleeve pipe 5, and are mounted on the more function of aluminium electroloysis
On the apparatus for automatically lifting of energy overhead traveling crane.The top of first temperature sensor 2 and second temperature sensor 6 is connected with compensating wire 3,
The other end of compensating wire 3 is connect with data analysis system 4.Compensating wire 3 and data analysis system 4 are set to the aluminium electroloysis
In the controller electricity box of multifunction crane.Preferably, data analysis system 4 includes analysis instrument, and the analysis instrument is thermoelectricity
Even module and potential difference meter, or be Thermocouple module and multimeter.One end of Thermocouple module, potential difference meter and multimeter passes through
Compensating wire 3 is connect with the first temperature sensor 2 and second temperature sensor 6, and the other end is connect with computer.
In measurement process, the first temperature sensor 2 and second temperature sensor 6 are for measuring liquidus temperature of aluminium electrolyte
And electrolysis temperature.Compensating wire 3 passes to the pyroelectric signal that the first temperature sensor 2 and second temperature sensor 6 detect
Pyroelectric signal is shown as potential data by potential difference meter or multimeter, potential difference meter or multimeter；Compensating wire 3 is by the first temperature
The pyroelectric signal that sensor 2 and second temperature sensor 6 detect passes to Thermocouple module, and Thermocouple module is by pyroelectric signal
Be converted to temperature data.
Wherein, the first temperature sensor 2 and second temperature sensor 6 are penetrated in aluminium electrolyte to the temperature for measuring electrolyte
Degree, the temperature of dual sensor is recorded by Thermocouple module, and establishes Temperature-time relation curve, obtains aluminium electrolyte primary crystal
Temperature and electrolysis temperature.
The method of automatic detection the aluminium electrolyte degree of superheat and electrolysis temperature, the specific steps are as follows:
S1, the dual sensor for being used to measure liquidus temperature of aluminium electrolyte and electrolysis temperature is mounted on aluminium electrolysis multifunctional day
Che Shang, 3 one end of compensating wire are connect with dual sensor, and the other end is connect with potential difference meter, compensating wire 3 and potential difference meter installation
In the controller electricity box of aluminum electrolysis multifunctional overhead crane.
S2, aluminium cell carry out replacement anode operation when, the liter of aluminium cell multifunction crane is operated by operative employee
(wherein, artificial preset aluminium cell multifunction crane program lifting controllable device enters aluminium electrolyte to falling unit
Depth and time), the probe of aluminium electrolyte electrolysis temperature and liquidus temperature detection dual sensor is penetrated into 5cm in aluminium electrolyte
Place keeps 2min, shows that potential data, the lifting device of aluminium cell multifunction crane will drive dual sensor to potential difference meter
Automatically it lifts, leaves aluminium electrolyte.
S3, the Thermocouple module being connected with computer obtain temperature data (that is, electrolysis temperature and electrolysis by dual sensor
Matter liquidus temperature) and it is calculated automatically from the aluminium electrolyte degree of superheat (that is, electrolysis temperature and electrolyte primary crystal temperature difference).
The electrolysis temperature of acquisition, liquidus temperature and degree of superheat data are directly transmitted to aluminium by network connection by S4, computer
Electrolytic cell cell control system (i.e. slot control machine).
Aluminium electrolysis cell control system directly controls aluminum electrolysis using important degree of superheat information and temperature information, to aluminium
The intelligent control of electrolysis production plays a significant role.
Embodiment 2
In the serial electrolytic cell test of certain aluminium manufacturer 300KA, the electrolysis is measured using the device in the embodiment of the present invention 1
Slot Inner electrolysis matter temperature is 942 DEG C, and electrolyte primary crystal temperature is 933 DEG C, and the degree of superheat is 9 DEG C.Measure electrolyte temperature and slot control
The electrolysis temperature that case is shown is consistent.
The sampling part electrolyte out of this electrolytic cell, measuring electrolyte primary crystal temperature using cooling curve method is 933.4 DEG C,
I.e. the electrolytic cell degree of superheat is 8.6 DEG C.Utilize the test result and biography of automatic detection the aluminium electrolyte degree of superheat and electrolysis temperature device
The result that experimental technique of uniting obtains is close, and measurement error is within galvanic couple error range.
To sum up, the method for automatic the detection aluminium electrolyte degree of superheat and electrolysis temperature provided by the invention is based on automatic measurement
The purpose of the aluminium electrolyte degree of superheat and electrolysis temperature, dual sensor is mounted on multifunction crane, between pole changing of aluminum electrolytic cell
When having a rest, the aluminium electrolyte degree of superheat is automatically brought into operation by multifunction crane and electrolysis temperature detects dual sensor, aluminium electrolyte is overheated
The probe of degree and electrolysis temperature detection dual sensor penetrates molten aluminum, can scene on-line monitoring electrolyte superheat degree and electrolysis temperature
Degree, is directly automatically fed to slot control machine for measurement result, and slot control machine is directly controlled using important degree of superheat information and temperature information
Aluminum electrolysis processed reduces the labor intensity of worker, improves current efficiency, reduces aluminium electroloysis energy consumption, mentions significantly
High labor productivity and the intelligent control of electrolytic cell are horizontal.It can effectively solve simultaneously due to the aluminium electrolyte degree of superheat and electrolysis temperature
The problem of measurement is brought not in time preferably carries out energy balance to electrolytic cell and material balance controls, raise labour productivity,
Play a significant role to the intelligent control of aluminum electrolysis, while being solved the problems, such as aluminium electroloysis industry, increase benefit, is promoted
The technical level of China's aluminium electrolytic industry.
The technical principle of the invention is described above in combination with a specific embodiment, these descriptions are intended merely to explain of the invention
Principle shall not be construed in any way as a limitation of the scope of protection of the invention.Based on explaining herein, those skilled in the art
It can associate with other specific embodiments of the invention without creative labor, these modes fall within this hair
Within bright protection scope.
Claims (7)
1. a kind of device of automatic detection the aluminium electrolyte degree of superheat and electrolysis temperature, which is characterized in that the device includes double-sensing
Device, data transmission system, data analysis system and aluminum electrolysis multifunctional overhead crane；The dual sensor is set to the more function of the aluminium electroloysis
Can be on overhead traveling crane, the data transmission system and data analysis system are set to the controller electricity box of the aluminum electrolysis multifunctional overhead crane
It is interior；
The aluminum electrolysis multifunctional overhead crane drives the dual sensor to pass in and out aluminium electricity by manual operation, by preset program
Xie Zhizhong；
The dual sensor includes first sensor and second sensor, and the first sensor and second sensor are for measuring
Liquidus temperature of aluminium electrolyte and electrolysis temperature；
The dual sensor connects the data transmission system, and the data transmission system connects data analysis system.
2. the apparatus according to claim 1, which is characterized in that the data analysis system includes analysis instrument, and described point
Analyzer device one end is connect with the data transmission system, and the other end is connect with computer.
3. the apparatus of claim 2, which is characterized in that the analysis instrument be Thermocouple module and potential difference meter,
It or is Thermocouple module and multimeter.
4. the apparatus of claim 2, which is characterized in that the data transmission system includes compensating wire, the benefit
It repays conducting wire one end to connect with the dual sensor, the other end is connect with the analysis instrument.
5. a kind of automatic detection aluminium electrolyte degree of superheat and electrolysis temperature including device of any of claims 1-4
Method, which is characterized in that it includes the following steps:
S1, the dual sensor for being used to measure liquidus temperature of aluminium electrolyte and electrolysis temperature is mounted on aluminum electrolysis multifunctional overhead crane
On, data transmission system and data analysis system are mounted in the controller electricity box of aluminum electrolysis multifunctional overhead crane；
S2, aluminum electrolysis cell anode replacement operation when, the probe of the dual sensor declines to penetrate in electrolyte automatically to be surveyed
Amount, after measurement, lifts probe automatically；
S3, the data that measurement obtains are transmitted to data analysis system, data analysis system point by the data transmission system
Analysis obtains aluminum cell electrolyte liquidus temperature, electrolysis temperature and the degree of superheat；
S4, data analysis system are straight by network by the information of aluminum cell electrolyte liquidus temperature, electrolysis temperature and the degree of superheat
Connect the cell control system for being transmitted to and connecting with electrolyte.
6. according to the method described in claim 5, it is characterized in that, the probe of the dual sensor penetrates the depth in electrolyte
For 5cm-15cm.
7. according to the method described in claim 5, it is characterized in that, the probe of the dual sensor penetrates the time in electrolyte
For 1min-3min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556218.XA CN109371428B (en) | 2018-12-19 | Device and method for automatically detecting superheat degree and electrolysis temperature of aluminum electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556218.XA CN109371428B (en) | 2018-12-19 | Device and method for automatically detecting superheat degree and electrolysis temperature of aluminum electrolyte |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109371428A true CN109371428A (en) | 2019-02-22 |
| CN109371428B CN109371428B (en) | 2024-04-26 |
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