CN106970017A - Many reference amounts regulate and control liquid corrosion experimental rig - Google Patents
Many reference amounts regulate and control liquid corrosion experimental rig Download PDFInfo
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- CN106970017A CN106970017A CN201710191376.9A CN201710191376A CN106970017A CN 106970017 A CN106970017 A CN 106970017A CN 201710191376 A CN201710191376 A CN 201710191376A CN 106970017 A CN106970017 A CN 106970017A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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Abstract
Regulate and control liquid corrosion experimental rig the invention discloses a kind of many reference amounts, including：Permanent pH value corrosive liquid supplying module, corrosive liquid Flow-rate adjustment module, constant temperature corrosion reaction module and corrosive liquid reflux and filter module.The many reference amounts regulation and control liquid corrosion experimental rig cost that the present invention is provided is low, and simple in construction, it is easy to operate, control accuracy is high, and floor space is small, realizes the functional shift that Flow Corrosion is eroded to from standing；Existing testing equipment can be substituted, professional standard is reached, had a extensive future.
Description
Technical field
The invention belongs to material corrosion research apparatus technical field, more particularly to a kind of many reference amounts regulation and control liquid corrosion experiment
Device.
Background technology
With the high speed development of industrial technology, the corrosion phenomenon occurred in daily life is increasingly serious, the loss caused
Also gradually increase.Corrosion phenomenon, which is can be seen that, from worldwide statistical result to the economic loss brought of country accounts for economy
The 3-4% of total amount, and China is more than 3.3%；Especially in metal material field, the loss caused every year accounts for annual production
10-20%.
Corrosion phenomenon not only results in serious economic loss, can also cause great danger；Such as, corrosion can change material
The mechanical property of material, and then change the stress of load-carrying construction, produce serious potential safety hazard.
At present, a large amount of researchs about corroding are being carried out, and the corrosion treatment method that researcher generally uses is immersion
Method and saline fog method.Wherein, infusion method is relatively simple, easy to operate, saves the time, but can cause corrosive liquid point if long-time is stood
Layer, in turn results in that solution is uneven, and corrosive effect is not good enough, and as a result accuracy rate is reduced.Although saline fog method is solved to a certain extent
The problem of density unevenness, but the reagent used is expensive, complex operation step, add the cost and complexity of experiment,
And it is unsuitable for the situation of liquid Flow Corrosion.
The content of the invention
Regulate and control liquid corrosion experimental rig it is an object of the invention to provide a kind of many reference amounts.
Therefore, many reference amounts regulation and control liquid corrosion experimental rig that the present invention is provided include permanent pH value corrosive liquid supplying module,
Corrosive liquid Flow-rate adjustment module, constant temperature corrosion reaction module and corrosive liquid reflux and filter module；
Wherein, permanent pH value corrosive liquid supplying module includes：Constant temperature pot, pH adjusting and control instruments probe, the corrosive liquid for taking up corrosive liquid
Cup, pH adjusting and control instruments, pH regulation liquid cup, peristaltic pump, the first flow stabilizing valve and the first pipeline for taking up pH regulation liquid；Corrosive liquid cup is placed
In constant temperature pot；One end of first pipeline is arranged in corrosive liquid cup, and the other end is immersed in the pH regulation liquid in pH regulation liquid cups
In；Peristaltic pump is arranged on the first pipeline at pH regulation liquid cups；First flow stabilizing valve is arranged on the first pipeline close to corrosion
At liquid cup；PH adjusting apparatus probes are placed in the corrosive liquid in corrosive liquid cup, and by wire successively with pH adjusting and control instruments and compacted
Dynamic pump electrical connection；
Corrosive liquid Flow-rate adjustment module includes several corrosive liquid flow control systems parallel with one another, each corrosive liquid stream
Amount regulating system includes the second pipeline and the step-less adjustment peristaltic pump, the second flow stabilizing valve and the flow that are successively set on the second pipeline
Meter, and be positioned on the second pipeline close to one end of step-less adjustment peristaltic pump in the corrosive liquid in corrosive liquid cup；
Constant temperature corrosion reaction module includes some constant temperature corrosion reaction systems, temperature controller and corrosion case, and constant temperature is rotten
The quantity for losing reaction system is identical with the quantity of corrosive liquid flow control system, and each constant temperature corrosion reaction system includes a corruption
Lose in reaction box and a temperature controller probe, corrosion reaction box and be filled with corrosive liquid, temperature controller probe is placed on corruption
Lose in the corrosive liquid in reaction box；The second pipeline other end and a constant temperature corrosion in one corrosive liquid flow control system is anti-
The corrosion reaction box in system is answered to be connected；The temperature controller probes of all constant temperature corrosion reaction systems simultaneously with a temperature control
Instrument connection processed, while temperature controller is electrically connected with constant temperature pot；The corrosion reaction box of all constant temperature corrosion reaction systems is set
In a corrosion case；
Corrosive liquid reflux and filter module includes the filter of the 3rd pipeline and some series connection being arranged on the 3rd pipeline, the
One end of three pipelines is immersed in the corrosive liquid in all corrosion reaction boxes, and the other end is located in corrosive liquid cup, and corrodes anti-
The set location of box is answered higher than corrosive liquid cup.
The many reference amounts regulation and control liquid corrosion experimental rig also includes in-situ corrosion Observation Blocks, the in-situ corrosion observation
Module includes high-definition camera and computer, and high-definition camera is arranged in corrosion case, and with calculating mechatronics, in this situation
Lower corrosion reaction box uses transparent material.
Compared with prior art, many reference amounts regulation and control liquid corrosion experimental rig cost that the present invention is provided is low, structure
Simply, it is easy to operate, control accuracy is high, and floor space is small, realizes the functional shift that Flow Corrosion is eroded to from standing；Can
Existing testing equipment is substituted, professional standard is reached, had a extensive future.
Brief description of the drawings
Fig. 1 regulates and controls liquid corrosion experimental rig structural representation for many reference amounts that the present invention is provided.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described further, but following embodiments are absolutely not to this hair
It is bright to have any limitation.
As shown in figure 1, many reference amounts regulation and control liquid corrosion experimental rig that the present invention is provided includes permanent pH value corrosive liquid supply
Module 101, corrosive liquid Flow-rate adjustment module 102, constant temperature corrosion reaction module 103 and corrosive liquid reflux and filter module 105；
Wherein, permanent pH value corrosive liquid supplying module 101 includes：Constant temperature pot 1, pH adjusting and control instruments probe 2, the corruption for taking up corrosive liquid
Erosion liquid cup 3, pH adjusting and control instruments 4, pH regulation liquid cup 5, peristaltic pump 6, the first flow stabilizing valve 7 and the first pipeline 18 for taking up pH regulation liquid；
Corrosive liquid cup 3 is placed in constant temperature pot 1；One end of first pipeline 18 is arranged in corrosive liquid cup 3, and the other end is immersed in pH regulations
In pH regulation liquid in liquid cup 5；Peristaltic pump 6 is arranged on the first pipeline 18 at pH regulation liquid cup 5；First flow stabilizing valve 7 is set
Put on the first pipeline 18 at corrosive liquid cup 3；PH adjusting apparatus probe 2 is placed in the corrosive liquid in corrosive liquid cup 3, and logical
Wire is crossed to electrically connect with pH adjusting and control instruments 4 and peristaltic pump 6 successively；
Corrosive liquid Flow-rate adjustment module 102 includes several corrosive liquid flow control systems parallel with one another, each corrosion
The step-less adjustment peristaltic pump 8, second that flow quantity regulating system includes the second pipeline 19 and is successively set on the second pipeline 19 is steady
It is positioned on stream valve 9 and flowmeter 10, and the second pipeline 19 close to one end of step-less adjustment peristaltic pump 8 in corrosive liquid cup 3
In corrosive liquid；
Constant temperature corrosion reaction module 103 includes some constant temperature corrosion reaction systems, temperature controller 14 and corrosion case 13, and
The quantity of constant temperature corrosion reaction system is identical with the quantity of corrosive liquid flow control system, and each constant temperature corrosion reaction system includes
Corrosive liquid, temperature controller are filled with one corrosion reaction box 11 and a temperature controller probe 12, corrosion reaction box 11
Probe 12 is placed in the corrosive liquid in corrosion reaction box 11；The second pipeline 19 in one corrosive liquid flow control system is another
End is connected with the corrosion reaction box 11 in a constant temperature corrosion reaction system；The temperature controller of all constant temperature corrosion reaction systems
Probe 12 is connected with a temperature controller 14 simultaneously, while temperature controller 14 is electrically connected with constant temperature pot 1；All constant temperature is rotten
The corrosion reaction box 11 of erosion reaction system is arranged in a corrosion case 13；
Corrosive liquid reflux and filter module 105 includes the mistake of the 3rd pipeline 20 and some series connection being arranged on the 3rd pipeline 20
Filter 17, one end of the 3rd pipeline 20 is immersed in the corrosive liquid in all corrosion reaction boxes 11, and the other end is located at corrosive liquid cup 3
It is interior, and the set location of corrosion reaction box 11 is higher than corrosive liquid cup 3.
The many reference amounts regulation and control liquid corrosion experimental rig also includes in-situ corrosion Observation Blocks 104, the in-situ corrosion
Observation Blocks 104 include high-definition camera 15 and computer 16, and high-definition camera 15 is arranged in corrosion case 13, and and computer
16 electrical connections, corrosion reaction box 11 uses transparent material in the case.
Now the operation principle that many reference amounts of the present invention regulate and control liquid corrosion experimental rig is described below：
First, sample is put into corrosion reaction box 11 by staff, the sample by with the corrosion in corrosion reaction box 11
Corrosion reaction occurs for liquid.Corrosive liquid in corrosion reaction box 11 constantly flows into corrosive liquid cup 3 by potential energy by the 3rd pipeline 20
In, the impurity in corrosive liquid is filtered using filter 17 in the process.Because corrosive liquid is corroded with sample
The pH value of corrosive liquid can change in reaction, therefore corrosive liquid cup 3, so as to deviate preset range.At the same time, pH adjusting and control instruments
Probe 2 sends pH adjusting and control instruments 4, subsequent pH regulation and control to by the pH value of real-time detection corrosive liquid 3 internal corrosion liquid of cup, and by detection data
Instrument 4 controls starting or stoping for peristaltic pump 6 according to above-mentioned testing result；When the pH value of corrosive liquid 3 internal corrosion liquid of cup is beyond predetermined
During scope, start peristaltic pump 6, the pH regulation liquid that at this moment peristaltic pump 6 will be sucked in pH regulation liquid cup 5, and pass through the first pipeline
18 inject after the current stabilization of the first flow stabilizing valve 7 in corrosive liquid cup 3, so as to ensure that the pH value of corrosive liquid is constant.When in corrosive liquid cup 3
When the pH of corrosive liquid is within preset range, peristaltic pump 6 is not started.
While occurring corrosion reaction in corrosion reaction box 11, the temperature in the internal corrosion liquid of corrosion reaction box 11 is immersed in
Controller probe 12 sends temperature controller 14 to by the temperature of real-time detection corrosive liquid, and by corresponding detection data.If warm
Degree deviates predetermined scope, temperature controller 14 will automatic regulating thermostatic pot 1 temperature, so as to change rotten in corrosive liquid cup 3
The temperature of liquid is lost, corrosive liquid is flowed into corrosion reaction box 11 through corrosive liquid Flow-rate adjustment module 102, thus indirect adjustments and controls corrosion
The temperature of corrosive liquid in reaction box 11.
Corrosive liquid Flow-rate adjustment module 102 includes some corrosive liquid flow control systems in parallel, each corrodes flow quantity
Regulating system independently works, and is sucked the corrosive liquid in corrosive liquid cup 3 using step-less adjustment peristaltic pump 8, passes through the second pipe
Road 19 is injected after the current stabilization of the second flow stabilizing valve 9 in corresponding corrosion reaction box 11.Staff can adjust step-less adjustment wriggling
Pump 8, by the flow set of corrosive liquid in certain certain value, and shows corresponding flow by flowmeter 10.
By above-mentioned circulation, the flow of corrosive liquid, the dynamic of temperature and pH value, invertibity in corrosion reaction box 11 can be achieved
Regulation.In addition, in process of the test, gathering rotten in real time through the corrosion reaction box 11 of transparent material using high-definition camera 15
The image of the inside specimen surface of reaction box 11 is lost, to record corrosion process, and by the incoming computer 16 of above-mentioned image, records and deposits
Store up in computer 16.
Claims (2)
1. a kind of many reference amounts regulate and control liquid corrosion experimental rig, it is characterised in that many reference amounts regulation and control liquid corrosion experiment dress
Put including：Permanent pH value corrosive liquid supplying module (101), corrosive liquid Flow-rate adjustment module (102), constant temperature corrosion reaction module
And corrosive liquid reflux and filter module (105) (103)；
Wherein, permanent pH value corrosive liquid supplying module (101) includes：Constant temperature pot (1), pH adjusting and control instruments probe (2), take up corrosive liquid
Corrosive liquid cup (3), pH adjusting and control instruments (4), take up pH regulation liquid pH regulation liquid cup (5), peristaltic pump (6), the first flow stabilizing valve (7) and
First pipeline (18)；Corrosive liquid cup (3) is placed in constant temperature pot (1)；One end of first pipeline (18) is arranged on corrosive liquid cup (3)
Interior, the other end is immersed in the pH regulation liquid in pH regulation liquid cups (5)；Peristaltic pump (6) is arranged on close on the first pipeline (18)
PH regulation liquid cups (5) place；First flow stabilizing valve (7) is arranged on the first pipeline (18) close to corrosive liquid cup (3) place；PH adjusting apparatus is visited
Pin (2) is placed in the corrosive liquid in corrosive liquid cup (3), and electric with pH adjusting and control instruments (4) and peristaltic pump (6) successively by wire
Connection；
Corrosive liquid Flow-rate adjustment module (102) includes several corrosive liquid flow control systems parallel with one another, each corrosive liquid
Flow control system includes the second pipeline (19) and the step-less adjustment peristaltic pump (8) being successively set on the second pipeline (19), the
One end on two flow stabilizing valves (9) and flowmeter (10), and the second pipeline (19) close to step-less adjustment peristaltic pump (8) is positioned over corruption
Lose in the corrosive liquid in liquid cup (3)；
Constant temperature corrosion reaction module (103) includes some constant temperature corrosion reaction systems, temperature controller (14) and corrosion case (13),
And the quantity of constant temperature corrosion reaction system is identical with the quantity of corrosive liquid flow control system, each constant temperature corrosion reaction system bag
A corrosion reaction box (11) and a temperature controller probe (12) are included, corrosion reaction box is filled with corrosive liquid in (11), temperature
Degree controller probe (12) is placed in the corrosive liquid in corrosion reaction box (11)；In one corrosive liquid flow control system
Two pipelines (19) other end is connected with the corrosion reaction box (11) in a constant temperature corrosion reaction system；All constant temperature corrosion reactions
The temperature controller probe (12) of system with a temperature controller (14) while be connected, while temperature controller (14) and constant temperature
Pot (1) electrical connection；The corrosion reaction box (11) of all constant temperature corrosion reaction systems is arranged in a corrosion case (13)；
Corrosive liquid reflux and filter module (105) includes the 3rd pipeline (20) and some series connection for being arranged on the 3rd pipeline (20)
Filter (17), one end of the 3rd pipeline (20) is immersed in the corrosive liquid in all corrosion reaction boxes (11), and the other end is located at
In corrosive liquid cup (3), and the set location of corrosion reaction box (11) is higher than corrosive liquid cup (3).
2. many reference amounts according to claim 1 regulate and control liquid corrosion experimental rig, it is characterised in that many reference amounts regulation and control
Liquid corrosion experimental rig also includes in-situ corrosion Observation Blocks (104), and the in-situ corrosion Observation Blocks (104) include high definition
Camera (15) and computer (16), high-definition camera (15) are arranged in corrosion case (13), and are electrically connected with computer (16),
Corrosion reaction box (11) uses transparent material in the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191376.9A CN106970017A (en) | 2017-03-28 | 2017-03-28 | Many reference amounts regulate and control liquid corrosion experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191376.9A CN106970017A (en) | 2017-03-28 | 2017-03-28 | Many reference amounts regulate and control liquid corrosion experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106970017A true CN106970017A (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710191376.9A Pending CN106970017A (en) | 2017-03-28 | 2017-03-28 | Many reference amounts regulate and control liquid corrosion experimental rig |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274869A (en) * | 2019-06-25 | 2019-09-24 | 中国船舶重工集团公司第七二五研究所 | A kind of in-situ monitoring experimental rig and method for metal material crevice corrosion |
| CN110376120A (en) * | 2019-07-23 | 2019-10-25 | 杭州舒尔姿氨纶有限公司 | A kind of rag trade spandex thread chlorine-resistant property test method and device |
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| CN103196819A (en) * | 2013-03-19 | 2013-07-10 | 哈尔滨工程大学 | Abyssal environment simulation device suitable for testing material corrosion behavior |
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| EP2702397A2 (en) * | 2011-04-27 | 2014-03-05 | Nalco Company | Method and apparatus for determination of system parameters for reducing crude unit corrosion |
| CN103698267A (en) * | 2013-12-31 | 2014-04-02 | 沈阳建筑大学 | Device and method for studying performance of steel pipe concrete bending member under load and corrosion conditions |
| CN106198196A (en) * | 2016-09-30 | 2016-12-07 | 北京航空航天大学 | A kind of environment simulator for Corrosion Fatigue Properties test |
| WO2017039789A1 (en) * | 2015-08-31 | 2017-03-09 | Exxonmobil Upstream Research Company Corp-Urc-E2. 4A.296 | Smart electrochemical sensor for pipeline corrosion measurement |
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2017
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975744A (en) * | 2010-09-14 | 2011-02-16 | 苏州有色金属研究院有限公司 | Erosion corrosion test device of seawater piping system metal member |
| EP2702397A2 (en) * | 2011-04-27 | 2014-03-05 | Nalco Company | Method and apparatus for determination of system parameters for reducing crude unit corrosion |
| CN103364328A (en) * | 2012-03-30 | 2013-10-23 | 鞍钢股份有限公司 | Gas/liquid corrosion simulation test device and test method |
| CN103196819A (en) * | 2013-03-19 | 2013-07-10 | 哈尔滨工程大学 | Abyssal environment simulation device suitable for testing material corrosion behavior |
| CN103698267A (en) * | 2013-12-31 | 2014-04-02 | 沈阳建筑大学 | Device and method for studying performance of steel pipe concrete bending member under load and corrosion conditions |
| WO2017039789A1 (en) * | 2015-08-31 | 2017-03-09 | Exxonmobil Upstream Research Company Corp-Urc-E2. 4A.296 | Smart electrochemical sensor for pipeline corrosion measurement |
| CN106198196A (en) * | 2016-09-30 | 2016-12-07 | 北京航空航天大学 | A kind of environment simulator for Corrosion Fatigue Properties test |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274869A (en) * | 2019-06-25 | 2019-09-24 | 中国船舶重工集团公司第七二五研究所 | A kind of in-situ monitoring experimental rig and method for metal material crevice corrosion |
| CN110376120A (en) * | 2019-07-23 | 2019-10-25 | 杭州舒尔姿氨纶有限公司 | A kind of rag trade spandex thread chlorine-resistant property test method and device |
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Application publication date: 20170721 |