CN220271122U - Automatic fluid infusion device for atmospheric corrosion simulation test - Google Patents
Automatic fluid infusion device for atmospheric corrosion simulation test Download PDFInfo
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- CN220271122U CN220271122U CN202320944118.4U CN202320944118U CN220271122U CN 220271122 U CN220271122 U CN 220271122U CN 202320944118 U CN202320944118 U CN 202320944118U CN 220271122 U CN220271122 U CN 220271122U
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- 230000007797 corrosion Effects 0.000 title claims abstract description 74
- 238000005260 corrosion Methods 0.000 title claims abstract description 74
- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 239000012530 fluid Substances 0.000 title claims abstract description 50
- 238000001802 infusion Methods 0.000 title claims abstract description 37
- 238000004088 simulation Methods 0.000 title abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 211
- 230000001502 supplementing effect Effects 0.000 claims abstract description 64
- 230000001133 acceleration Effects 0.000 claims abstract description 11
- 230000000737 periodic effect Effects 0.000 claims abstract description 11
- 230000008595 infiltration Effects 0.000 claims abstract description 8
- 238000001764 infiltration Methods 0.000 claims abstract description 8
- 238000012806 monitoring device Methods 0.000 claims abstract description 7
- 238000002637 fluid replacement therapy Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000013589 supplement Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000003670 easy-to-clean Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000007654 immersion Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000004140 cleaning Methods 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
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to an automatic liquid supplementing device for an atmospheric corrosion simulation test, which comprises a liquid storage barrel, a liquid supplementing pipe and a liquid level control system; a plurality of liquid tanks are arranged in the periodic infiltration corrosion acceleration test box; the liquid storage barrel is arranged above each liquid groove and is connected with each liquid groove through a liquid supplementing pipe; the liquid level control system consists of a liquid level monitoring device arranged on each liquid tank, an electromagnetic valve arranged on a liquid supplementing pipe connected with each liquid tank and a controller. The device can ensure that the height of the corrosion liquid level meets the requirement of the dry-wet cycle time ratio, and ensure the accuracy of corrosion test; meanwhile, the automatic liquid supplementing device can supplement liquid to a plurality of liquid tanks in the corrosion test box, so that the requirements of atmospheric corrosion tests in different environments are met; in addition, the automatic fluid infusion device has the advantages of being quick in disassembly and assembly, easy to clean and maintain and convenient to replace fluid infusion with different properties, and is beneficial to improving test efficiency.
Description
Technical Field
The utility model relates to the technical field of corrosion performance detection, in particular to an automatic fluid infusion device for an atmospheric corrosion simulation test.
Background
Atmospheric corrosion is related to factors such as temperature, humidity, and dry-wet alternation frequency of the air. The exposure test in natural environment is the most commonly used test method for researching atmospheric corrosion, and can truly reflect the corrosion condition of the place. However, guidance in the development and use of steel grades is limited to a certain extent due to the long cycle time of the atmospheric exposure test. The laboratory simulation acceleration evaluation method can rapidly and effectively evaluate the atmospheric corrosion of the steel through the correlation contrast between the simulation acceleration test and the outdoor exposure test.
The equipment used for simulating the atmospheric environment in the laboratory is a periodic infiltration corrosion acceleration test box, and a liquid supplement is required to be added in the test process to ensure a certain dry-wet time ratio. At present, most laboratories adopt a mode of manually adding and supplementing liquid, and the time interval is long, so that the dry-wet cycle time of the corrosion process is changed greatly, and the corrosion result is influenced. According to the utility model, the liquid is simultaneously replenished to the liquid tanks through automatic sensing, manual operation is not needed, the simulation effect is ensured, the corrosion performance testing accuracy is improved, and the atmospheric corrosion can be simulated more efficiently for an acceleration test.
Environmental immersion cycle test for simulating industrial atmospheric environmentThe solution is usually NaHSO 3 The solution and the NaCL solution are generally set to have a single dry-wet cycle corrosion cycle of 60 minutes, with a soak time of 12 minutes and a dry time of 48 minutes. The above-mentioned specified dry-wet cycle time is realized by controlling the liquid level of the corrosive liquid, that is, the accurate dry-wet cycle time ratio is ensured, and the corrosive liquid level is required to be accurately controlled. Because the time interval of manually adding and supplementing liquid is longer, the liquid level height cannot be ensured to be consistent in the test process, so that the requirement of the dry-wet time ratio cannot be met, and the accuracy of the dry-wet cycle test cannot be ensured. The automatic liquid supplementing device commonly used at present can only supplement liquid to one liquid tank, and the test efficiency is low. .
The Chinese patent application No. 201620380619.4 discloses an automatic fluid infusion soil simulation test device for metal corrosion in solution, which comprises a test container, a liquid level sensor, a fluid infusion valve, a fluid infusion bottle, a fluid infusion tube and a controller. The test container is filled with a simulation solution, the liquid level sensor is arranged on the liquid level, and the lead-out wire of the liquid level sensor is connected with the controller; the fluid infusion bottle is arranged at the upper part beside the test container and is connected with the inlet of the fluid infusion valve through a fluid infusion pipe; the outlet of the fluid supplementing valve is opposite to the test container; the control switch of the fluid infusion valve is connected with the controller through a lead. The device can supplement the liquid level drop caused by evaporation in real time, so that the concentration of the soil simulation solution is kept unchanged. The device is automatically controlled in the whole process, is convenient to operate, and ensures the accuracy of metal corrosion tests in soil simulation solutions.
The Chinese patent application No. 201320774101.5 discloses an automatic liquid supplementing device for a metal corrosion test box, which is used for solving the problems that the manual liquid supplementing workload of the existing test box is large and the corrosion test result is influenced. The device comprises a solution tank for containing corrosive liquid in a test box, wherein a liquid supplementing tank is arranged above the solution tank, a large solution tank is arranged below the solution tank, the large solution tank, the solution tank and the liquid supplementing tank are mutually communicated through a three-way pipeline, each branch of the three-way pipeline is provided with an electromagnetic valve, the electromagnetic valves of the large solution tank branch are connected with pumps in parallel, the solution tank and the liquid supplementing tank are provided with a liquid level meter and a thermometer, all the electromagnetic valves, the liquid level meter, the thermometer and the pumps are connected with a control system, and a heating rod connected with the control system is further arranged in the liquid supplementing tank. The device can realize the long-term automatic fluid infusion of metal corrosion test box, and manual intervention is few, has alleviateed operating personnel's maintenance quantity, has ensured experimental accuracy and repeatability, and the back is mended to the liquid simultaneously, and solution tank temperature fluctuation is little, and is little to experimental influence.
Compared with the device, the liquid storage tank can be used for simultaneously adding liquid into a plurality of liquid tanks, so that the requirements of atmospheric corrosion tests under different environments are met, the device is simple in structure and convenient to operate, the liquid storage tank and the liquid supplementing pipe are detachably connected, the assembly is rapid, and the liquid storage tank is more convenient to clean. The liquid storage barrel is arranged on the electric lifting table, liquid supplementing is added into the liquid storage barrel, liquid supplementing with different properties is replaced more conveniently and rapidly, liquid supplementing can be automatically added to a test required position in a test process, accurate control of the dry-wet cycle time ratio is achieved, labor is saved, and the corrosion test efficiency and accuracy are improved.
Disclosure of Invention
The utility model provides an automatic liquid supplementing device for simulating atmospheric corrosion test, which can ensure that the height of the corrosion liquid level meets the requirement of dry-wet cycle time ratio and ensures the accuracy of the corrosion test; meanwhile, the automatic liquid supplementing device can supplement liquid to a plurality of liquid tanks in the corrosion test box, so that the requirements of atmospheric corrosion tests in different environments are met; in addition, the automatic fluid infusion device has the advantages of being quick in disassembly and assembly, easy to clean and maintain and convenient to replace fluid infusion with different properties, and is beneficial to improving test efficiency.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
an automatic liquid supplementing device for an atmospheric corrosion simulation test comprises a liquid storage barrel, a liquid supplementing pipe and a liquid level control system; a plurality of liquid tanks are arranged in the periodic infiltration corrosion acceleration test box; the liquid storage barrel is arranged above each liquid groove and is connected with each liquid groove through a liquid supplementing pipe; the liquid level control system consists of a liquid level monitoring device arranged on each liquid tank, an electromagnetic valve arranged on a liquid supplementing pipe connected with each liquid tank and a controller, wherein the liquid level monitoring device in each liquid tank is connected with the corresponding electromagnetic valve through the corresponding controller to realize interlocking control.
Further, the liquid storage barrel is arranged on the electric lifting table; the electric lifting table is arranged on one side of the periodic infiltration corrosion acceleration test box.
Further, the fluid infusion pipe consists of a fluid infusion main pipe and a plurality of fluid infusion branch pipes; one end of the liquid supplementing main pipe is connected with the liquid outlet of the liquid storage barrel, the other end of the liquid supplementing main pipe is simultaneously connected with the liquid inlet ends of the liquid supplementing branch pipes, and the liquid outlet ends of the liquid supplementing branch pipes are respectively connected with corresponding liquid tanks; electromagnetic valves are respectively arranged on the fluid supplementing branch pipes.
Furthermore, the liquid storage barrel is made of a corrosion-resistant material or the inner surface of the liquid storage barrel is provided with a corrosion-resistant coating.
Further, the fluid replacement pipe is a corrosion-resistant pipe, wherein the fluid replacement main pipe is a flexible corrosion-resistant pipe; the liquid supplementing main pipe is detachably connected with the liquid storage barrel, and the liquid supplementing main pipe is detachably connected with each liquid supplementing branch pipe.
Further, the electromagnetic valve is a corrosion-resistant electromagnetic valve.
Further, the top of the liquid storage barrel is closed through a top cover, and an air inlet is formed in the top cover.
Compared with the prior art, the utility model has the beneficial effects that:
1) The liquid level control system can enable the height of the corrosion liquid level in the liquid tank to meet the requirement of the dry-wet cycle time ratio, and the accuracy of corrosion test is ensured;
2) The liquid can be added to a plurality of liquid tanks at the same time, so that the requirements of atmospheric corrosion tests in different environments are met;
3) The liquid storage barrel and the liquid supplementing pipe are detachably connected, so that the assembly is quick, and the cleaning of the liquid storage barrel is more convenient;
4) The liquid storage barrel is arranged on the electric lifting table, so that liquid supplementing is added into the liquid storage barrel, and liquid supplementing with different properties is more convenient and quicker to replace;
5) Through interlocking control of the controller and the electromagnetic valve, liquid can be automatically added to the position required by the test in the test process, so that manpower is saved, and the efficiency and the accuracy of the corrosion test are improved;
6) The device has simple structure and convenient operation.
Drawings
FIG. 1 is a schematic diagram of an automatic fluid replacement device for an atmospheric corrosion simulation test according to the present utility model.
In the figure: 1. the liquid storage barrel 2, the electric lifting platform 3, the liquid supplementing main pipe 4, the electromagnetic valve 5, the liquid level detection device 6, the controller 7, the liquid supplementing branch pipe 8 and the liquid groove
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in FIG. 1, the automatic liquid supplementing device for the simulated atmospheric corrosion test comprises a liquid storage barrel 1, a liquid supplementing pipe and a liquid level control system; a plurality of liquid tanks 8 are arranged in the periodic infiltration corrosion acceleration test box; the liquid storage barrel 1 is arranged above each liquid groove 8 and is connected with each liquid groove 8 through a liquid supplementing pipe; the liquid level control system consists of a liquid level monitoring device 5 arranged on each liquid tank 8, an electromagnetic valve 4 arranged on a liquid supplementing pipe connected with each liquid tank 8 and a controller 6, wherein the liquid level monitoring device 5 in each liquid tank 8 is connected with the corresponding electromagnetic valve 4 through the corresponding controller 6 to realize interlocking control.
Further, the liquid storage barrel 1 is arranged on the electric lifting table 2; the electric lifting table 2 is arranged on one side of the periodic infiltration corrosion acceleration test box.
Further, the fluid infusion pipe consists of a fluid infusion main pipe 3 and a plurality of fluid infusion branch pipes 7; one end of the liquid supplementing main pipe 3 is connected with the liquid outlet of the liquid storage barrel 1, the other end of the liquid supplementing main pipe 3 is simultaneously connected with the liquid inlet ends of a plurality of liquid supplementing branch pipes 7, and the liquid outlet ends of the liquid supplementing branch pipes 7 are respectively connected with corresponding liquid tanks 8; the fluid supplementing branch pipes 7 are respectively provided with electromagnetic valves 4.
Furthermore, the liquid storage barrel 1 is made of a corrosion-resistant material or the inner surface of the liquid storage barrel is provided with a corrosion-resistant coating.
Further, the fluid replacement pipe is a corrosion-resistant pipe, wherein the fluid replacement main pipe 3 is a flexible corrosion-resistant pipe; the liquid replenishing main pipe 3 is detachably connected with the liquid storage barrel 1, and the liquid replenishing main pipe 3 is detachably connected with each liquid replenishing branch pipe 7.
Further, the electromagnetic valve 4 is a corrosion-resistant electromagnetic valve.
Further, the top of the liquid storage barrel 1 is closed through a top cover, and an air inlet is formed in the top cover.
The use process of the automatic fluid infusion device for the simulated atmospheric corrosion test comprises the following steps: firstly, the electric lifting table 2 is lowered to the minimum, the prepared fluid infusion is injected into the liquid storage barrel 1, and then the electric lifting table 2 is lifted to a position higher than the liquid groove 8; the test specimens were placed on a turntable rack in a periodic immersion corrosion test chamber, and the prepared corrosion simulation solution was injected into the liquid bath 8. The controller 6 adopts a programmable controller, and a liquid level target value corresponding to the liquid tank 8 is preset in advance through a computer; the liquid level detecting device 5 is interlocked with the solenoid valve 4 by a controller 6. The liquid level detection device 5 transmits the detected real-time liquid level value to the controller 6, when the liquid level in the liquid tank 8 is lower than a set target value, the electromagnetic valve 4 is automatically opened by the controller 6, the liquid in the liquid storage barrel 1 automatically flows into the corresponding liquid tank 8 by the liquid supplementing pipe under the action of gravity to supplement the corrosion simulation solution until the liquid level reaches the set target value, the liquid level detection device 5 transmits a feedback signal to the controller 6, and the electromagnetic valve 4 is controlled by the controller 6 to automatically close and stop the liquid supplementing.
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present utility model, but the scope of the present utility model is not limited to the following examples.
[ example ]
As shown in fig. 1, in this embodiment, the automatic fluid infusion device for the periodic immersion corrosion test includes 1 fluid storage barrel 1, 1 electric lifting platform 2, 1 fluid infusion main pipe 3, 4 fluid infusion branch pipes 7, 4 solenoid valves 4, 4 liquid level detection devices 5 and 4 controllers 6, and can automatically and real-time supplement fluid to 4 fluid tanks 8 arranged in the same periodic immersion corrosion test box.
In this embodiment, the top of the liquid storage barrel 1 is provided with a top cover, and an air inlet is formed in the top cover. A liquid outlet is arranged on one side of the lower part of the liquid storage barrel 1, the liquid outlet is detachably connected with a liquid supplementing main pipe 3, and the liquid supplementing main pipe 3 adopts a polytetrafluoroethylene hose. The fluid infusion main pipe 3 is connected with the corresponding 4 fluid tanks 8 through the 4 fluid infusion branch pipes 7. The fluid supplementing branch pipe 7 adopts a polytetrafluoroethylene pipe.
The electric lifting platform 2 is an electric lifting platform (outsourcing can), when liquid replenishing is needed to be injected into the liquid storage barrel 1, the electric lifting platform 2 is lowered to the lowest position, then the liquid storage barrel 1 is lifted to the upper portion of the liquid tank 8 through the lifting of the electric lifting platform 2, and when liquid replenishing is carried out, the replenished corrosion simulation solution can automatically flow into the liquid tank 8 under the action of dead weight, power devices such as a pump are not needed, and energy conservation and consumption reduction are achieved.
The fluid infusion branch pipes 7 are provided with electromagnetic valves 4 in one-to-one correspondence, the fluid outlet of the fluid infusion branch pipe 7 at the downstream of the electromagnetic valve 4 is positioned right above the fluid tank 8, and the electromagnetic valve 4 is connected with the controller 6 through a lead.
In this embodiment, the liquid level detecting device 5 adopts a liquid level sensor, and the liquid level sensor is installed above the liquid level of the corresponding liquid tank 8 and is connected with the controller 6 through a wire.
In this embodiment, the controller 6 is a PLC programmable controller, and controls the opening and closing of the corresponding solenoid valve 4 according to the signal fed back by the liquid level sensor.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The automatic liquid supplementing device for the simulated atmospheric corrosion test is characterized by comprising a liquid storage barrel, a liquid supplementing pipe and a liquid level control system; a plurality of liquid tanks are arranged in the periodic infiltration corrosion acceleration test box; the liquid storage barrel is arranged above each liquid groove and is connected with each liquid groove through a liquid supplementing pipe; the liquid level control system consists of a liquid level monitoring device arranged on each liquid tank, an electromagnetic valve arranged on a liquid supplementing pipe connected with each liquid tank and a controller, wherein the liquid level monitoring device in each liquid tank is connected with the corresponding electromagnetic valve through the corresponding controller to realize interlocking control.
2. The automatic fluid replacement device for simulating atmospheric corrosion test of claim 1, wherein the liquid storage barrel is arranged on the electric lifting table; the electric lifting table is arranged on one side of the periodic infiltration corrosion acceleration test box.
3. The automatic fluid infusion device for simulating atmospheric corrosion tests according to claim 1, wherein the fluid infusion tube consists of a fluid infusion main tube and a plurality of fluid infusion branch tubes; one end of the liquid supplementing main pipe is connected with the liquid outlet of the liquid storage barrel, the other end of the liquid supplementing main pipe is simultaneously connected with the liquid inlet ends of the liquid supplementing branch pipes, and the liquid outlet ends of the liquid supplementing branch pipes are respectively connected with corresponding liquid tanks; electromagnetic valves are respectively arranged on the fluid supplementing branch pipes.
4. The automatic fluid infusion device for the simulated atmospheric corrosion test as claimed in claim 1, wherein said fluid storage barrel is made of a corrosion resistant material or has a corrosion resistant coating on an inner surface thereof.
5. The automatic fluid replacement device for simulating atmospheric corrosion according to claim 1, wherein the fluid replacement pipe is a corrosion-resistant pipe, and wherein the fluid replacement main pipe is a flexible corrosion-resistant pipe; the liquid supplementing main pipe is detachably connected with the liquid storage barrel, and the liquid supplementing main pipe is detachably connected with each liquid supplementing branch pipe.
6. The automatic fluid replacement device for simulating atmospheric corrosion testing of claim 1, wherein the solenoid valve is a corrosion resistant solenoid valve.
7. The automatic fluid infusion device for simulating atmospheric corrosion tests of claim 1, wherein the top of the fluid storage barrel is closed by a top cover, and an air inlet is formed in the top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320944118.4U CN220271122U (en) | 2023-04-24 | 2023-04-24 | Automatic fluid infusion device for atmospheric corrosion simulation test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320944118.4U CN220271122U (en) | 2023-04-24 | 2023-04-24 | Automatic fluid infusion device for atmospheric corrosion simulation test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220271122U true CN220271122U (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320944118.4U Active CN220271122U (en) | 2023-04-24 | 2023-04-24 | Automatic fluid infusion device for atmospheric corrosion simulation test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220271122U (en) |
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2023
- 2023-04-24 CN CN202320944118.4U patent/CN220271122U/en active Active
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