CN105463511B - Aluminum cell electrolyte on-line temperature monitoring method and its device - Google Patents
Aluminum cell electrolyte on-line temperature monitoring method and its device Download PDFInfo
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- CN105463511B CN105463511B CN201510281423.XA CN201510281423A CN105463511B CN 105463511 B CN105463511 B CN 105463511B CN 201510281423 A CN201510281423 A CN 201510281423A CN 105463511 B CN105463511 B CN 105463511B
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Abstract
The invention discloses a kind of aluminum cell electrolyte on-line temperature monitoring method and its device, it is that transmission mechanism and infrared CCD image collecting device are installed in upper part of the electrolytic cell mechanism;Industrial personal computer assigns control instruction to electrical control gear, and compressed air require and the transmission mechanism movement of cooling device are flowed through in control;Transmission mechanism drives infrared CCD image collecting device vertically to move up and down, and the temperature of electrolytic cell aluminium flowing-out mouth is gathered in real time by setting sample frequency;Infrared CCD image collecting device sends industrial personal computer to the image collected by wired or wireless transmission mode;Industrial personal computer is handled and analyzed using image processing algorithm according to the image of foundation and the mathematical model of electrolyte temperature, you can the on-line monitoring to electrolyte temperature is realized by the monitoring to realtime graphic.The present invention realizes continuous continual monitoring analysis Bath Temperature.
Description
Technical field
The present invention relates to aluminium electroloysis monitoring technical field, more particularly to a kind of aluminium electroloysis based on non-contact infrared monitoring
Groove electrolyte temperature on-line monitoring method and its monitoring device.
Background technology
In aluminum electrolysis, current efficiency is closely bound up with electrolyte temperature.Electrolyte temperature is excessive to make the secondary of aluminium
Increased response, current efficiency reduce, and increase the consumption of material;Electrolyte temperature is too low, it may appear that slot bottom largely precipitates, and makes oxidation
Aluminium dissolution velocity reduces, and effect coefficient increase, current efficiency will not be very high.Therefore to obtain higher current efficiency, it is necessary to
The liquidus temperature and the degree of superheat of electrolyte are controlled, this requires in actual production operating process, energy real-time perception is electric
The change of matter temperature is solved, to make adjustment in time to production operation, makes aluminum electrolysis normal operation.
At present, existing electrolyte temperature measurement means are will manually to be measured in thermocouple insertion groove body, Ran Houji
Record, and it is manually entered computer.Substantially every electrolytic cell only measures a temperature, this method time and effort consuming, measurement daily
Cycle is longer, and is off-line data, has serious hysteresis quality;Also have and electrolyte temperature is carried out using Handheld temperature device
The measuring method of degree, although measurement data can be transferred to slot control machine in time by this method, it also requires manual operation.Above two
Method is required to be inserted into electrolytic cell using thermocouple, through after a period of time, the consumption of thermocouple is also very big.
The content of the invention
It is an object of the invention to provide a kind of aluminum cell electrolyte on-line temperature monitoring method and its device, the company of realization
Continue continual monitoring analysis Bath Temperature, with overcome the deficiencies in the prior art.
Technical scheme is as follows:
A kind of aluminum cell electrolyte on-line temperature monitoring method, it comprises the following steps:
Step 1:Transmission mechanism and infrared CCD image collecting device are installed in upper part of the electrolytic cell mechanism;
Step 2:Industrial personal computer assigns control instruction to electrical control gear, and the compressed air require of cooling device is flowed through in control
Moved with transmission mechanism;
Step 3:Transmission mechanism drives infrared CCD image collecting device vertically to move up and down, by setting sampling frequency
Rate gathers the temperature of electrolytic cell aluminium flowing-out mouth in real time;
Step 4:Infrared CCD image collecting device sends the image collected to by wired or wireless transmission mode
Industrial personal computer;
Step 5:Industrial personal computer is carried out according to the image of foundation and the mathematical model of electrolyte temperature using image processing algorithm
Processing and analysis, you can the on-line monitoring to electrolyte temperature is realized by the monitoring to realtime graphic.Specifically, industrial personal computer
According to established image and electrolyte temperature mathematical model, spectrum analysis and processing are carried out to view data, obtain electrolyte
Temperature value, shows on industrial personal computer or exports to other control devices, realize the on-line monitoring to electrolyte temperature.
To realize the above method, present invention employs such a electrolyte temperature based on non-contact infrared detection to exist
Line monitoring device, it includes infrared CCD image collecting device, cooling device, transmission mechanism, electrical control gear and industrial personal computer,
Electrical control gear is connected with transmission mechanism and cooling device, and infrared CCD image collecting device is connected with industrial personal computer.
Further, transmission mechanism is by carrying floor installation in upper part of the electrolytic cell mechanism, and cooling device is using air-cooled
Mode, infrared CCD image collecting device is wrapped in wherein and on transmission mechanism, infrared CCD image collector installs
There are camera and camera alignment aluminium flowing-out mouth.Transmission mechanism passes through the high-temperature shielding wires being layed at the top of upper part of the electrolytic cell mechanism
It is connected with electrical control gear.
Cooling device is connected by being layed in the tracheae at the top of upper part of the electrolytic cell mechanism with electrical control gear.
Electrical control gear further includes the operated pneumatic valve of control compressed air require and the relay of control transmission mechanism.Electricity
Gas control device is positioned over detection target groove flue end, it controls the operated pneumatic valve of compressed air require and controls transmission mechanism
Relay is connected with live blowing plant.Infrared CCD image collecting device will be adopted using wired or wireless transmission mode
The view data collected is conveyed to industrial personal computer.
In this way, industrial personal computer control transmission mechanism drives infrared CCD image collecting device vertically to move up and down, by setting
Determine sample frequency to gather the temperature of electrolytic cell aluminium flowing-out mouth in real time;The compressed air require pair of the cooling device of industrial personal computer control at the same time
Infrared CCD image collecting device carries out air-cooled.The view data collected is passed through wired or nothing by infrared CCD image collecting device
The transmission mode of line sends industrial personal computer to, and industrial personal computer is according to established image and electrolyte temperature mathematical model, to picture number
According to spectrum analysis and processing is carried out, electrolyte temperature value is obtained, shows or exports on industrial personal computer to other control devices, realize
To the on-line monitoring of electrolyte temperature.
Beneficial effect of the present invention:
Using on-line monitoring method provided by the invention and device, the real-time electrolyte of aluminium cell can be accurately obtained online
Temperature pole span and molten aluminum interface fluctuation situation, powerful data support is provided for the optimization management and control of aluminium cell;Present invention solution
The prior art of having determined measurement is inaccurate, and data seriously lag, and thermocouple consumption is big, it is difficult to the electrolyte temperature under various operating modes
Degree change is monitored in real time, the problem such as cause electrolysis production controlled level low.
Brief description of the drawings
Fig. 1 is monitoring device structure diagram of the present invention;
Fig. 2 is monitoring device section components schematic diagram of the present invention;
Fig. 3 is monitoring method functional block diagram schematic diagram of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, this monitoring device of the present invention is used for the real-time change feelings for monitoring aluminum cell electrolyte temperature
Condition, it mainly includes infrared CCD image collecting device 2, cooling device 3, transmission mechanism 4, electrical control gear 5 and industrial personal computer 6.
Electrical control gear 5 is connected with transmission mechanism 4 and cooling device 3, and infrared CCD image collecting device 2 is connected with industrial personal computer 6.
As shown in Fig. 2, transmission mechanism 4 is installed in upper part of the electrolytic cell mechanism by carrying base 7, cooling device 3 uses
Air cooling way, infrared CCD image collecting device 2 is wrapped in wherein and on transmission mechanism 4;Can be with reference to Fig. 1 and Fig. 2
Find out, transmission mechanism 4 is connected by being layed in the high-temperature shielding wires 8 at the top of upper part of the electrolytic cell mechanism with electrical control gear 5.It is cold
But device 3 is connected by being layed in the tracheae 9 at the top of upper part of the electrolytic cell mechanism with electrical control gear 5.
In addition, infrared CCD image collecting device 2 is defeated by the view data collected using wired or wireless transmission mode
Give industrial personal computer 6.
Below according to the device of the invention structure chart shown in Fig. 1 and Fig. 2, the technology of the invention with reference to shown in Fig. 3 is former
Reason figure, illustrates embodiments of the present invention:
When the present invention is implemented, cooling device 3 and infrared CCD image collecting device 2 and transmission mechanism 4 are assembled in advance
It is good, electrical control gear 5 is positioned over monitoring objective groove flue end at the scene, transmission mechanism 4 is fixed on by carrying base 7
In upper part of the electrolytic cell mechanism 1, high-temperature shielding wires 8 and tracheae 9 are layed in the top of upper part of the electrolytic cell mechanism 1, and transmission mechanism 4 is cold
But device 3 is connected by high-temperature shielding wires 8 and tracheae 9 with electrical control gear 5 respectively.
In use, industrial personal computer 6 assigns control instruction to electrical control gear 5, electrical control gear 5 controls transmission mechanism to make
Infrared CCD image collecting device 2 vertically moves up and down, real-time to the temperature of electrolytic cell aluminium flowing-out mouth by setting sample frequency
Collection, sends industrial personal computer 6 to, in infrared CCD image collector to the image collected by wired or wireless transmission mode
Put in 2 courses of work, industrial personal computer 6 assigns the instruction of control cooling device 3, electrical control gear 5 to electrical control gear 5 in due course
Control operated pneumatic valve makes cooling device 3 be cooled down to infrared CCD image collecting device 2.
Industrial personal computer 6 is docked according to the image of foundation and the mathematical model of electrolyte temperature using gray level image Processing Algorithm
Received data are handled and analyzed, you can the on-line monitoring to electrolyte temperature is realized by the monitoring to realtime graphic.
Certainly, the above is the concrete application example of the present invention, and the present invention also has other embodiments, all using equivalent
The technical solution that replacement or equivalent transformation are formed, all falls within protection domain of the presently claimed invention.
Claims (4)
- A kind of 1. aluminum cell electrolyte on-line temperature monitoring method, it is characterised in that it comprises the following steps:Step 1:Transmission mechanism and infrared CCD image collecting device are installed in upper part of the electrolytic cell mechanism;Transmission mechanism is by paving High-temperature shielding wires at the top of upper part of the electrolytic cell mechanism are connected with electrical control gear;Cooling device is by being layed in electrolytic cell Tracheae at the top of upper mechanism is connected with electrical control gear;Step 2:Industrial personal computer assigns control instruction to electrical control gear, and the compressed air require and biography of cooling device are flowed through in control Dynamic mechanism kinematic;Step 3:Transmission mechanism drives infrared CCD image collecting device vertically to move up and down, by setting sample frequency pair The temperature of electrolytic cell aluminium flowing-out mouth gathers in real time;Step 4:Infrared CCD image collecting device sends industry control to the image collected by wired or wireless transmission mode Machine;Step 5:Industrial personal computer is handled according to the image of foundation and the mathematical model of electrolyte temperature using image processing algorithm And analysis, you can the on-line monitoring to electrolyte temperature is realized by the monitoring to realtime graphic.
- A kind of 2. electrolyte temperature on-Line Monitor Device based on non-contact infrared detection, it is characterised in that:It includes infrared Ccd image harvester(2), cooling device(3), transmission mechanism(4), electrical control gear(5)And industrial personal computer(6), electric-controlled Device processed(5)With transmission mechanism(4)And cooling device(3)Connection, infrared CCD image collecting device(2)With industrial personal computer(6)Even Connect;Transmission mechanism(4)By carrying base(7)It is installed in upper part of the electrolytic cell mechanism, cooling device(3)Using air cooling way, By infrared CCD image collecting device(2)It is wrapped in wherein and is installed on transmission mechanism(4)On, transmission mechanism(4)By being layed in High-temperature shielding wires at the top of upper part of the electrolytic cell mechanism(8)With electrical control gear(5)Connection;Cooling device(3)By being layed in Tracheae at the top of upper part of the electrolytic cell mechanism(9)With electrical control gear(5)Connection.
- 3. the electrolyte temperature on-Line Monitor Device according to claim 2 based on non-contact infrared detection, its feature It is:Electrical control gear(5)Further include the operated pneumatic valve and control transmission mechanism of control compressed air require(4)Relay Device.
- 4. the electrolyte temperature on-Line Monitor Device according to claim 2 based on non-contact infrared detection, its feature It is:Infrared CCD image collecting device(2)The view data collected is conveyed to by work using wired or wireless transmission mode Control machine(6).
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CN109697433A (en) * | 2019-01-02 | 2019-04-30 | 中南大学 | A kind of aluminium cell degree of superheat state identification method and system based on 3D convolutional neural networks |
CN113668018B (en) * | 2021-07-27 | 2022-08-12 | 三门三友科技股份有限公司 | Electrolytic copper impurity online detection method |
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