CN109137033A - A kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system - Google Patents
A kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system Download PDFInfo
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- CN109137033A CN109137033A CN201710454579.2A CN201710454579A CN109137033A CN 109137033 A CN109137033 A CN 109137033A CN 201710454579 A CN201710454579 A CN 201710454579A CN 109137033 A CN109137033 A CN 109137033A
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- electrolyte
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- aluminum profile
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention relates to automatic control system technical fields, in particular to a kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system, including electrolytic cell and electrolyte circulating pump, electrolyte is filled in the electrolytic cell, the electrolyte realizes the control of temperature by plate heat exchanger, the electrolyte uses the frequency conversion system under PID closed-loop control to the real-time tracing detection of temperature, control the running frequency and flow of electrolyte circulating pump, realize electrolyte temperature control within the scope of optimum working temperature, mounting temperature sensor PT100 in the electrolytic cell, the temperature sensor PT100 collects the temperature data of electrolytic cell solution, it is converted into 4-20MA standard current signal by Temperature Treatment module and is transported to frequency converter DI current controling end providing feedback sources for PID arithmetic.The beneficial effects of the present invention are: having saved production cost realizes energy-saving, the service life for extending equipment reduces the operation troubles of equipment.
Description
Technical field
The present invention relates to automatic control system technical field, in particular to a kind of aluminum profile oxidation electrolyte thermostatic control
Energy conserving system.
Background technique
Aluminum profile is placed in corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid) as anode, is added in specified conditions with outer
It is electrolysed under the function of current.Its surface forms sull.Metal-oxide film changes surface state and performance, such as
Surface coloring improves corrosion resistance, enhancing wearability and hardness, and protection metal surface forms alumina flake, with a thickness of 5~
20 microns, horniness anode oxide film is up to 60~200 microns.Aluminum profile after anodic oxidation improves its hardness and wearability,
Up to 250~500 kilograms/square millimeter, good heat resistance.
Aluminum profile oxidation processing technique generallys use sulfuric acid hard anodizing method, and electrolytic medium uses: H2SO4 10~
20%, COOHCOOH2H2O 1~2%, 10~20V of voltage, 1~3A/d of current density ㎡.Electrolytic process can be in solution
H2O resolves into two hydrogen atoms and 1 oxygen atoms, and the yin that oxygen power supply is released in the sun release of power supply releases pole and releases hydrogen.
Substance when electrolysis in solution as white haze is exactly that H2O by liquid is transformed into gaseous process.We have found that solution temperature is high
When H2O gaseous state is converted to by liquid clearly oxidation reaction is violent, oxidation reaction is slower when solution temperature is lower.Thus
Electrolyte temperature will be one of the factor for influencing aluminum profile oxidation quality, and strict control electrolyte temperature is conducive to aluminum profile oxidation
Film thickens, and hardness improves and smooth, fine and close, and realizes energy-saving.
A large amount of joules cause electrolyte temperature to rise in aluminum profile oxidation process, and electrolyte viscosity is caused to reduce electrolyte electricity
The decline of resistance rate.The electric current liquid density being applied on aluminum profile table will increase exponentially the aggravation of the OH warm-up movement in electrolyte, make
Increase at aluminum profile oxidation membrane porosity, causes to aoxidize the film hardness reduction slow film layer wearability corrosion resistance of film layer formation speed
Difference be easy to cause the loose dusting problems that fall off of aluminium shape surface oxidation film.Electrolyte conductivity is very sensitive to temperature, and temperature is every
1-3 Ω will be declined according to Ohm's law U=IR it is found that anodic oxidation direct current will significantly increase by rising 1 kwh resistance rate
Add, oxidation reaction process will aggravate, and product quality problem occur, and can also waste a large amount of oxidation direct current energy.
Summary of the invention
In order to solve problems in the prior art, the present invention provides a kind of aluminum profile oxidation electrolyte that can save energy is permanent
Temperature control energy conserving system.
Technical solution of the present invention is as follows:
A kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system, including electrolytic cell and electrolyte circulating pump, it is described
Electrolyte is filled in electrolytic cell, the electrolyte realizes the control of temperature by plate heat exchanger and maintains solution pool Inner electrolysis
Liquid upper and lower part equalized temperature, the electrolyte use the frequency conversion system under PID closed-loop control to track inspection in real time to temperature
It surveys, controls the running frequency and flow of electrolyte circulating pump, realize that electrolyte temperature controls within the scope of optimum working temperature,
Mounting temperature sensor PT100 in the electrolytic cell, the temperature sensor PT100 collect the temperature of electrolytic cell solution
Data are converted into 4-20MA standard current signal by Temperature Treatment module and are transported to frequency converter DI current controling end as PID fortune
It calculates and feedback sources is provided, be compared with the electrolyte temperature value of setting and complete PID closed loop operation completion to electrolyte circulating pump frequency
Rate and flow control, constant electrolyte temperature create good process conditions for oxidation production and improve product quality reduction electric energy
Consumption.
Technical solution provided by the invention has the benefit that
(1) by the optimal electrolyte stationary temperature control of control aluminum profile oxidation technology, it can be improved product quality enhancing
Oxidation technology production efficiency；
(2) control of suitable electrolyte circulating pump power and flow is provided, 30% pump operating cycle power section is reduced
About production cost realizes energy-saving；
(3) constant electrolyte temperature will stablize the conductivity of electrolyte, prevent the waste of anodic oxidation direct current energy；
(4) reasonable equipment runs power, avoids the operation of the long-term high load capacity of equipment, the service life for extending equipment subtracts
The operation troubles of equipment is lacked.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is structural block diagram of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
As shown in Figure 1, a kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system, including electrolytic cell 6 and electrolyte follow
Ring pumps 1, and electrolyte is filled in the electrolytic cell, and the electrolyte passes through the control and maintenance that plate heat exchanger realizes temperature
Electrolytic cell electrolyte inside upper and lower part equalized temperature, the electrolyte use the frequency conversion system under PID closed-loop control to temperature reality
When tracing detection, control electrolyte circulating pump 1 running frequency and flow, realize electrolyte temperature control in best effort temperature
Within the scope of degree, mounting temperature sensor PT100 2 in the electrolytic cell, the temperature sensor PT100 2 is collected
The temperature data of electrolytic cell solution is converted into 4-20MA standard current signal by Temperature Treatment module 3 and is transported to frequency converter 4DI
Current controling end is that PID arithmetic 5 provides feedback sources, is compared with the electrolyte temperature value of setting and completes the completion pair of PID arithmetic 5
1 frequency of electrolyte circulating pump and flow control, constant electrolyte temperature create good process conditions for oxidation production and improve production
Quality reduces power consumption.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (1)
1. a kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system, including electrolytic cell and electrolyte circulating pump, the electricity
Electrolyte is filled in solution slot, the electrolyte realizes the control of temperature by plate heat exchanger and maintains solution pool electrolyte inside
Upper and lower part equalized temperature, which is characterized in that the electrolyte uses the frequency conversion system under PID closed-loop control real-time to temperature
Tracing detection, control the running frequency and flow of electrolyte circulating pump, realize electrolyte temperature control in optimum working temperature
Within the scope of, mounting temperature sensor PT100 in the electrolytic cell, the temperature sensor PT100 collects electrolytic cell
The temperature data of solution is converted into 4-20MA standard current signal by Temperature Treatment module and is transported to frequency converter DI current control
End provides feedback sources for PID arithmetic, is compared with the electrolyte temperature value of setting and completes PID closed loop operation completion to electrolyte
Recycle pump frequency and flow control, constant electrolyte temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454579.2A CN109137033A (en) | 2017-06-16 | 2017-06-16 | A kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454579.2A CN109137033A (en) | 2017-06-16 | 2017-06-16 | A kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109137033A true CN109137033A (en) | 2019-01-04 |
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| CN201710454579.2A Pending CN109137033A (en) | 2017-06-16 | 2017-06-16 | A kind of aluminum profile oxidation electrolyte thermostatic control energy conserving system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110825133A (en) * | 2019-10-29 | 2020-02-21 | 深圳市裕展精密科技有限公司 | Temperature control method, device and computer readable storage medium |
| CN112725858A (en) * | 2020-12-02 | 2021-04-30 | 西比里电机技术(苏州)有限公司 | State detection method for thermoelectric chemical oxidation system |
| WO2023236818A1 (en) * | 2022-06-10 | 2023-12-14 | 佛山市顺德区美的电子科技有限公司 | Electrolysis generation apparatus and control method therefor, and electrical device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110825133A (en) * | 2019-10-29 | 2020-02-21 | 深圳市裕展精密科技有限公司 | Temperature control method, device and computer readable storage medium |
| CN112725858A (en) * | 2020-12-02 | 2021-04-30 | 西比里电机技术(苏州)有限公司 | State detection method for thermoelectric chemical oxidation system |
| WO2023236818A1 (en) * | 2022-06-10 | 2023-12-14 | 佛山市顺德区美的电子科技有限公司 | Electrolysis generation apparatus and control method therefor, and electrical device |
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Application publication date: 20190104 |