CN102645400A - In-situ electrochemical test device for simulating acid rain corrosion - Google Patents
In-situ electrochemical test device for simulating acid rain corrosion Download PDFInfo
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- CN102645400A CN102645400A CN2012101222359A CN201210122235A CN102645400A CN 102645400 A CN102645400 A CN 102645400A CN 2012101222359 A CN2012101222359 A CN 2012101222359A CN 201210122235 A CN201210122235 A CN 201210122235A CN 102645400 A CN102645400 A CN 102645400A
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Abstract
The invention provides an in-situ electrochemical test device for simulating acid rain corrosion. The device comprises a liquid storage tank (1), an environment simulating box (4), a control cabinet (12), an electrochemical working cabinet (8) and a computer which are connected in series, wherein a multi-jet nozzle (3) of the liquid storage tank (1) extends to a position above a bracket (7) in the environment simulating box (4), an input end of the electrochemical working cabinet (8) extends to a position above the bracket (7) in the environment simulating box (4), an output end of the electrochemical working cabinet (8) is connected with the computer. When the in-situ electrochemical test device for simulating acid rain corrosion is in use, at least two samples to be tested are used as electrodes (6) and are respectively connected with the input ends of the electrochemical working cabinet (8), and thus the in-situ electrochemical test can be fulfilled. The in-situ electrochemical test device has the following advantages: (1) the instantaneous corrosion rate of acid rain can be obtained; (2) various acid rain corrosion processes can be simulated; (3) a corrosion test in an acid rain environment can be implemented; and (4) the device is simple in structure, low in cost, convenient to operate and easy to maintain.
Description
Technical field
The invention belongs to the metal erosion technical field, relate to a kind of electrochemical in-situ proving installation of Simulated Acid Rain corrosion.
Background technology
Since nineteen seventies, the acid rain public hazards that become international gradually.Southwest, Central China, south China in China, the regional acid rain pollution that surpasses area 1/3rd is serious, and rainfall pH value is less than 4.5.Because outdoor metallic facility and corrosion of equipment that acid rain causes cause heavy losses to national economy, therefore study the acid rain corrosion and have important practical significance.At present, research acid rain corroding method mainly contains outdoor hanging slice method, rainwater infusion process, drying and watering cycle method, SO
2(sulphuric dioxide) corrosion test chamber method, wherein outdoor hanging slice method is the method for modal research acid rain corrosion rate, be the best method that obtains on-the-spot acid rain corrosion data, but the cycle is longer, generally reaches the several years; And rainwater infusion process, drying and watering cycle method, SO
2The corrosion test chamber method is indoor accelerated corrosion method; Be usually used in laboratory study; But what use that these methods obtain is the average corrosion rate of macroscopic view, powerless to the microprocess and the instantaneous corrosion rate of acid rain corrosion; Trace it to its cause, matter a lot with the in-situ testing device that lacks the corrosion of research acid rain.
Summary of the invention
The technical matters that the present invention will solve is; Backward situation to prior art; For solving the technical barrier of acid rain corrosion research experiment, a kind of electrochemical in-situ proving installation of Simulated Acid Rain corrosion is provided, in order to obtain the microprocess and the instantaneous corrosion rate of acid rain corrosion.
Technical solution of the present invention is; The electrochemical in-situ proving installation of a kind of Simulated Acid Rain corrosion of this that is provided; Referring to Fig. 1; It is as shown in Figure 1, by a fluid reservoir that has a jet rose 31, one have the environmental chamber 4 of waste liquid recycling bin 5, switch board 12 that is built-in with relay 2, wet control device 10 and temperature controller 11 and galvanochemistry working cabined 8, a computer 9 is composed in series.Wherein, on the lower shoe in the said environmental chamber 4, also be provided with one be used for device electrode 6 support 7.The jet rose 3 as the acid rain spray thrower of said fluid reservoir 1 from top to bottom stretches into the top of the support 7 in the said environmental chamber 4.The input end of said galvanochemistry working cabined 8 stretches into the top of the support 7 in the said environmental chamber 4.The output terminal of said galvanochemistry working cabined 8 is connected with the input end of said computer 9.And the relay 2 of above-mentioned switch board 12 connects the line of the jet rose 3 of above-mentioned fluid reservoir 1 and this fluid reservoir 1, and the wet control device 10 and the temperature controller 11 corresponding above-mentioned jet roses 3 of switch board 12 stretch into the top of the support 7 in the said environmental chamber 4.
When using by the electrochemical in-situ proving installation of the above of the present invention a kind of like this Simulated Acid Rain corrosion that constitutes; Send test specimens to be placed in parallel on the said support 7 with at least two as electrode 6; Two are sent interval 1～2mm between the test specimens; With epoxy sealing other surface, and distinguish welding lead, be connected with the input end that above-mentioned galvanochemistry working cabined 8 stretches on said environmental chamber 4 inner supports 7 respectively by this lead at the back side of sample except that the sample positive; Can implement the electrochemical in-situ test thus, electrochemical data is then by computer 9 collections and processing.Said switch board 12 is by the control of its chip microcontroller to jet rose 3 and the wet control device 10 and the temperature controller 11 of spray acid rain, to guarantee acid rain amount and temperature and humidity constant in the environmental chamber 4.Time, interval and the flow of jet rose 3 spray acid rains are set through switch board 12 then, realize that continuously perhaps alternation of wetting and drying ground is to the surface spraying acid rain simulated solution of electrode 6.When using, this device realizes the temperature control in the environmental chamber 4 by said temperature controller 11, set temperature value on switch board 12, and when temperature was lower than design temperature, switch board 12 started temperature controller 11 and heats for environmental chamber 4; And when temperature was higher than design temperature, switch board 12 started temperature controller 11 and gives environmental chamber 4 coolings.Meanwhile, realize the humidity control in the environmental chambers 4 by said wet control device 10 when this device uses, on switch board 12, set humidity value, when humidity is lower than when setting humidity value, switch board 12 starts the humidity that wet control device 10 increases in the environmental chambers 4; And be higher than when setting humidity value when humidity, switch board 12 starts the humidity that wet control device 10 reduces in the environmental chambers 4.
The invention has the beneficial effects as follows:
(1), capable of using device obtains microprocess and the instantaneous corrosion rate that acid rain corrodes through electrochemical method, the in-situ test of realization acid rain corrosion;
(2), can simulate the acid rain corrosion process under the various conditions through control temperature, humidity, spray time, spray interval and spray flow;
(3), can realize corrosion experiment or the corrosion experiment under the alternation of wetting and drying acid rain environment under the continuous acid rain environment;
(4), simple in structure, with low cost, easy to operate, safeguard easily.
Description of drawings:
Fig. 1 is a structured flowchart of the present invention, is denoted as among the figure:
The 1-fluid reservoir, the 2-relay,
The 3-jet rose, the 4-environmental chamber,
5-waste liquid recycling bin, the 6-electrode,
The 7-support, 8-galvanochemistry working cabined,
The 9-computer, the wet control of 10-device,
The 11-temperature controller, the 12-switch board.
Fig. 2 is the measured electrochemical tests reference diagram of electrochemical in-situ test of Simulated Acid Rain corrosion;
Fig. 3 is the measured AC impedance curve reference diagram of electrochemical in-situ test of Simulated Acid Rain corrosion.
Embodiment:
Referring to Fig. 1; Concrete embodiment of electrochemical in-situ proving installation for a kind of Simulated Acid Rain corrosion of the present invention shown in Figure 1; The specification that the fluid reservoir 1 employing Shenzhen refined gram organic glass company limited of this embodiment produces is the organic glass fluid reservoir of ￠ 500mm * 800mm; This fluid reservoir 1 has a jet rose 3, and this jet rose 3 adopts a commercially available common shower nozzle type jet rose to get final product; It is the steel environmental chamber of the liner organic glass of 500mm * 400mm * 1200mm that the specification that pure power technology company limited produces is converged in the environmental chamber 4 employing Hunan of present embodiment, and this environmental chamber 4 has a waste liquid recycling bin 5; It is the steel switch board of 400mm * 300mm * 200mm that the switch board 12 employing Hunan Province of present embodiment converge the specification that pure Power Tech Corp. Inc. produces, and relay 2, wet control device 10,11 3 control elements of temperature controller are arranged in these steel switch board 12 cabinets.Its repeat circuit 2 adopts commercially available JS type relay; It is the wet control of the STI-HT type device of 6W that wet control device 10 adopts commercially available power; It is the P906 type temperature controller of 4W that temperature controller 11 adopts commercially available power.The IM6ex type galvanochemistry working cabined that the German Zahner of the galvanochemistry working cabined 8 employings company of present embodiment produces, computer 9 then adopts a commercially available association board common computer to get final product.Above-mentioned fluid reservoir 1, environmental chamber 4, switch board 12 and galvanochemistry working cabined 8, computer 9 are by the technique scheme series connection.Wherein, the input end of galvanochemistry working cabined 8 stretches into the top of the support 7 in the said environmental chamber 4.The output terminal of galvanochemistry working cabined 8 is connected with the input end of computer 9.The relay 2 of switch board 12 is electrically connected the line of the jet rose 3 of fluid reservoir 1 and this fluid reservoir 1.Support 7, the bar section of stainless steel of drawing materials is tailored, and stationary installation is the convenient test specimens of sending that supports as electrode 6 on the lower shoe of environmental chamber 4.And the jet rose 3 as the acid rain spray thrower of fluid reservoir 1 from top to bottom stretches into the top of the support 7 in this environmental chamber 4.The wet control device 10 and the temperature controller 11 corresponding above-mentioned jet roses 3 of switch board 12 stretch into the top of the support 7 in the environmental chamber 4.
On probationly be proved to be respond well, safe and reliable and easy to use through manufacturing experimently, reach designing requirement fully by the electrochemical in-situ proving installation of a kind of Simulated Acid Rain corrosion of this of the above present embodiment that constitutes.Be electrochemical in-situ proving installation below through this Simulated Acid Rain corrosion of this embodiment, referring to Fig. 2～3, in the electrochemical in-situ test that the Simulated Acid Rain of using conventional method to carry out is corroded, two parts of experimental diagrams being intercepted and captured, promptly above-mentioned Fig. 2 and Fig. 3.Wherein, Fig. 2 is that measured electrochemical tests figure is for reference; Fig. 3 is that measured AC impedance curve map is for reference.According to the smooth continuous curve explanation that Fig. 2 shows, simulated solution distributes more even at electrode surface; The pH value is that polarization curve is that 5 curve obviously moves to right than the pH value under 3 the simulated solution, explains that the pH value is low more, and the electrode material corrosion is serious more, has also shown the outstanding sensitivity of this device thus.And the AC impedance curve that shows according to Fig. 3 also shows; The pH value is that resistance value is that 4.5 resistance value is little than the pH value under 3.5 the simulated solution; Explain that equally also the pH value is low more, electrode material corrosion is serious more, and the experimental result that the electrochemical tests that shows with Fig. 2 shows matches fully.
Claims (1)
1. the electrochemical in-situ proving installation of Simulated Acid Rain corrosion; It is characterized in that; It is composed in series by a fluid reservoir (1) that has jet rose (3), environmental chamber (4) that one has waste liquid recycling bin (5), switch board (12) that is built-in with relay (2), wet control device (10) and temperature controller (11) and a galvanochemistry working cabined (8), a computer (9); Wherein, On the lower shoe in the said environmental chamber (4); Also be provided with a support (7); The jet rose (3) of said fluid reservoir (1) from top to bottom stretches into the top of the support (7) in the said environmental chamber (4), and the input end of said galvanochemistry working cabined (8) stretches into the top of the support (7) in the said environmental chamber (4), and the output terminal of said galvanochemistry working cabined (8) is connected with the input end of said computer (9); And the relay (2) of above-mentioned switch board (12) connects the line of the jet rose (3) of above-mentioned fluid reservoir (1) and this fluid reservoir (1), and the wet control device (10) of switch board (12) and the corresponding above-mentioned jet rose of temperature controller (11) (3) stretch into the top of the support (7) in the said environmental chamber (4).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107992123A (en) * | 2017-12-15 | 2018-05-04 | 广电计量检测（成都）有限公司 | A kind of Fluid Sensitivity chamber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0720036A (en) * | 1993-06-30 | 1995-01-24 | Suga Test Instr Co Ltd | Machine for testing corrosion cycle of acid rain |
| CN1126315A (en) * | 1995-02-10 | 1996-07-10 | 中国航空工业总公司第621研究所 | Artificial climate combination environment experimental machine and its method |
| CN1632521A (en) * | 2004-12-14 | 2005-06-29 | 武汉理工大学 | Multifunctional environmental simulator |
| CN2716830Y (en) * | 2004-03-17 | 2005-08-10 | 中国人民解放军空军装备研究院航空装备研究所 | Comprehensive environment/load test device |
| WO2010078547A1 (en) * | 2009-01-02 | 2010-07-08 | E. I. Du Pont De Nemours And Company | Process for evaluating corrosion resistance of coating |
| CN202631402U (en) * | 2012-04-24 | 2012-12-26 | 湖南省电力公司科学研究院 | On-site electrochemical test device for simulating acid rain corrosion |
-
2012
- 2012-04-24 CN CN2012101222359A patent/CN102645400A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0720036A (en) * | 1993-06-30 | 1995-01-24 | Suga Test Instr Co Ltd | Machine for testing corrosion cycle of acid rain |
| CN1126315A (en) * | 1995-02-10 | 1996-07-10 | 中国航空工业总公司第621研究所 | Artificial climate combination environment experimental machine and its method |
| CN2716830Y (en) * | 2004-03-17 | 2005-08-10 | 中国人民解放军空军装备研究院航空装备研究所 | Comprehensive environment/load test device |
| CN1632521A (en) * | 2004-12-14 | 2005-06-29 | 武汉理工大学 | Multifunctional environmental simulator |
| WO2010078547A1 (en) * | 2009-01-02 | 2010-07-08 | E. I. Du Pont De Nemours And Company | Process for evaluating corrosion resistance of coating |
| CN202631402U (en) * | 2012-04-24 | 2012-12-26 | 湖南省电力公司科学研究院 | On-site electrochemical test device for simulating acid rain corrosion |
Non-Patent Citations (4)
| Title |
|---|
| 安百刚等: "LY12铝合金在模拟酸雨溶液中的阻抗谱研究", 《中国腐蚀与防护学报》 * |
| 张学元等: "铜在雨水中的腐蚀行为电化学研究", 《腐蚀科学与防护技术》 * |
| 林翠等: "酸雨对低碳钢腐蚀行为的影响", 《钢铁研究学报》 * |
| 董杰等: "低碳钢在模拟酸雨大气条件下的锈蚀演化", 《腐蚀科学与防护技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107992123A (en) * | 2017-12-15 | 2018-05-04 | 广电计量检测（成都）有限公司 | A kind of Fluid Sensitivity chamber |
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Owner name: HU NAN XIANGDIAN TRIAL RESEARCH TECHNOLOGY CO., LT Free format text: FORMER OWNER: HU NAN XIANGDIAN TRIAL RESEARCH TECHNOLOGY CO., LTD. Effective date: 20121029 |
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Effective date of registration: 20121029 Address after: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha Applicant after: Science Research Institute of Hunan Electric Power Co., Ltd. Applicant after: Hunan Xiangdian Electric Power Text & Research Co., Ltd. Applicant after: State Grid Corporation of China Address before: 410007 No. 79 hydroelectric power street, east pond, Hunan, Changsha Applicant before: Science Research Institute of Hunan Electric Power Co., Ltd. Applicant before: Hunan Xiangdian Electric Power Text & Research Co., Ltd. |
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Application publication date: 20120822 |