CN108169110A - A kind of period soaking corrosion circulation testing machine and its period soaking corrosion cyclic test method - Google Patents
A kind of period soaking corrosion circulation testing machine and its period soaking corrosion cyclic test method Download PDFInfo
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- CN108169110A CN108169110A CN201711400491.9A CN201711400491A CN108169110A CN 108169110 A CN108169110 A CN 108169110A CN 201711400491 A CN201711400491 A CN 201711400491A CN 108169110 A CN108169110 A CN 108169110A
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- chamber
- pallet
- testing machine
- soaking corrosion
- immersion fluid
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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
- G01N17/002—Test chambers
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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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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of period soaking corrosion circulation testing machine and its period soaking corrosion cyclic test methods, the period soaking corrosion circulation testing machine includes chamber, pallet, dipping solution liquid reserve tank, water pump, infusion tube, electrical heating elements, temperature sensor and controller, the pallet level is set on inside chamber, pallet is in netted and has gap between chamber inner bottom surface, infusion tube one end is connected with dipping solution liquid reserve tank, it is connected inside the infusion tube other end and chamber and below pallet, temperature sensor, electrical heating elements are set on inside chamber, water pump, electrical heating elements, temperature sensor is electrically connected with the controller respectively；The present invention is stable during experiment, the reliability of guarantee test data result.
Description
Technical field
The invention belongs to weathering steel accelerated corrosion experimental rig technical fields, are specifically related to a kind of period soaking corrosion cycle examination
Test machine and its period soaking corrosion cyclic test method.
Background technology
The electric power pylon of power grid infrastructure, widely positioned at the various complex environments such as field, city, suburb, easily by
To all kinds of corrosivenesses；And the weatherability of weathering steel is 2~8 times of straight carbon steel, in transmission line of electricity application weathering steel steel tower, favorably
In reducing environmental pollution, dropping lower steel consumption, there is significant economic benefit and social benefit；Weatherability, that is, atmospheric corrosion resistance,
It is one of important performance indexes of weathering steel, is generally tested by accelerated test in atmospheric corrosion room, at present, period soaking corrosion
Cyclic test is a Typical Representative of accelerated test in atmospheric corrosion room, and this test method has a good reproducibility, one
As one is set inside chamber with rotating wheel mechanisms that, specimen clamping, can be by sample periodically at rotating wheel mechanisms that edge
Different immersion fluid simulations different atmospheric environment such as distilled water, NaHSO3 or NaCl solution is immersed to be respectively intended to simulate rural gas
Atmospheric corrosion situation under atmosphere, industrial atmosphere and marine atmosphere, after a period of time, sample raising removes solution, 40 DEG C~60
℃（It is toasted with hot wind or lamp）It is dry in temperature range, in machine cloudy day and fine day are represented with the adjusting of an infrared bulb not
Same season so that sample is in the state of alternation of wetting and drying, preferably simulates sample and drenches with rain in air the full-scale condition of sunshine；It is logical
Analysis is crossed it is found that this rotating wheel mechanisms that is complicated, rotating wheel mechanisms that needs the rotation of long time period, is susceptible to failure,
Cause test data result unreliable.
Invention content
In view of this, the purpose of the present invention is to provide a kind of period soaking corrosion circulation testing machines, eliminate rotating wheel mechanisms that, from
And overall structure is simplified, ensure that the present invention is stable during experiment, so as to the reliability of guarantee test data result.
In order to achieve the above object, a kind of period soaking corrosion circulation testing machine of the present invention, it is molten including chamber, pallet, dipping
Liquid liquid reserve tank, water pump, infusion tube, electrical heating elements, temperature sensor and controller, the pallet level are set in chamber
Portion, pallet are in netted and have gap between chamber inner bottom surface, and infusion tube one end is connected with dipping solution liquid reserve tank, defeated
It is connected inside the liquid hose other end and chamber and below pallet, temperature sensor, electrical heating elements are set on chamber
Inside, water pump, electrical heating elements, temperature sensor are electrically connected with the controller respectively.
Further, the liquid level sensor inside chamber is further included, liquid level sensor is electrically connected with the controller.
Further, the chamber medial surface is equipped with protrusion, and the pallet outer rim is positioned in protrusion.
Further, the electrical heating elements are infrared baking lamp.
Further, the pallet is made of ceramic materials.
It is another object of the present invention to provide a kind of period soaking corrosion cyclic test method, this method is based on period soaking corrosion
Circulation testing machine includes the following steps：
Step 1：Sample uses weather-proof steel angle profile, and multiple samples are emitted on pallet successively, and immersion fluid is molten using NaCl
Liquid；
Step 2：Invasive stages start water pump by controller, and immersion fluid is inputted to chamber inside by immersion fluid liquid reserve tank
Until sample is completely in immersion fluid, after the infiltrating time for reaching controller setting, the immersion fluid inside chamber flows back into
In immersion fluid liquid reserve tank；
Step 3：Drying stage controls electrical heating elements by controller so that chamber internal temperature increase, to sample into
Row drying；
Step 4：After the drying time for reaching controller setting, it is repeated in Step 2: step 3, in this way, moving in circles, is protected
Card sample is in the state of alternation of wetting and drying.
The beneficial effects of the present invention are：
1. a kind of period soaking corrosion circulation testing machine of the present invention is stable during experiment, guarantee test data result it is reliable
Property；Sample is placed by pallet, immersion fluid is inputted until sample is completely in leaching to chamber inside by immersion fluid liquid reserve tank
Moisten in liquid, water pump is controlled by controller, after the time for reaching setting, the immersion fluid inside chamber flows back into immersion fluid liquid storage
In case, at this point, controlling electrical heating elements by controller so that chamber internal temperature increases, and sample is dried；Such as
This, moves in circles so that sample is in the state of alternation of wetting and drying.
2. a kind of period soaking corrosion circulation testing machine of the present invention is by eliminating rotating wheel mechanisms that, so as to simplify overall structure,
Be conducive to reduce the volume of entirety of the invention, meanwhile, advantageously reduce manufacture cost and maintenance cost of the invention.
3. the liquid that a kind of period soaking corrosion circulation testing machine of the present invention passes through immersion fluid inside liquid level sensor monitoring test case
Position, so as to ensure that, in invasive stages, sample is completely in immersion fluid；In drying stage, sample is completely exposed outside immersion fluid
Portion.
4. pallet described in a kind of period soaking corrosion circulation testing machine of the present invention is in netted, the contact surface of pallet and sample can be avoided
Product is excessive, ensures that the corrosion that sample outer surface is subject to is uniform；In addition, due to having gap between pallet and chamber inner bottom surface,
In drying stage, ensure that sample lower surface does not have the immersion fluid of accumulation.
Description of the drawings
In order to make the purpose of the present invention, technical solution and advantageous effect clearer, the present invention provides drawings described below and carries out
Explanation：
Fig. 1 is a kind of structure diagram of period soaking corrosion circulation testing machine of the present invention；
Reference numeral：1- chambers；2- pallets；3- dipping solution liquid reserve tanks；4- water pumps；5- infusion tubes；6- electrical heating elements；
7- temperature sensors；8- controllers；9- liquid level sensors；10- samples.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
As shown in Figure 1；A kind of period soaking corrosion circulation testing machine of the present invention, including chamber 1, pallet 2, dipping solution liquid storage
Case 3, water pump 4, infusion tube 5, electrical heating elements 6, temperature sensor 7, controller 8 and liquid level sensor 9；2 level of pallet is set
Inside chamber 1, pallet 2 is in netted and has gap between 1 inner bottom surface of chamber, and here, pallet 2 is by ceramic material system
Into 1 medial surface of chamber is equipped with protrusion, and 2 outer rim of pallet is positioned in protrusion so that pallet 2 is installed and convenient disassembly；It is defeated
5 one end of liquid hose is connected with dipping solution liquid reserve tank 3, and 5 other end of infusion tube connects and with 1 inside of chamber positioned at pallet 2
Lower section；Electrical heating elements 6, temperature sensor 7 are set on inside chamber 1, and here, electrical heating elements 6 are infrared baking lamp；Water
Pump 4, electrical heating elements 6, temperature sensor 7 are electrically connected respectively with controller 8；Liquid level sensor 9 is set on inside chamber 1,
Liquid level sensor 9 is electrically connected with controller 8.
The test method of present embodiment：Sample 10 selects weather-proof steel angle profile, and multiple samples 10 are emitted on support successively
On disk 2；Immersion fluid selects NaCl solution；Invasive stages, controller 8 start water pump 4, by immersion fluid liquid reserve tank to chamber 1
Inside input immersion fluid is completely in up to sample 10 in immersion fluid, after reaching the infiltrating time that controller 8 is set, chamber 1
Internal immersion fluid is flowed back into immersion fluid liquid reserve tank；Drying stage controls electrical heating elements 6 so that experiment by controller 8
1 internal temperature of case increases, and sample 10 is dried, after reaching the drying time that controller 8 is set；Repeat invasive stages
Operation in this way, moving in circles, ensures that sample 10 is in the state of alternation of wetting and drying；Experiment passes through 9 monitoring test case of liquid level sensor
The liquid level of 1 inside immersion fluid, so as to ensure that, in invasive stages, sample 10 is completely in immersion fluid；In drying stage, sample 10
It is completely exposed outside immersion fluid.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (6)
1. a kind of period soaking corrosion circulation testing machine, it is characterised in that：Including chamber, pallet, immersion fluid liquid reserve tank, water pump, defeated
Liquid hose, electrical heating elements, temperature sensor and controller, the pallet level are set on inside chamber, pallet in netted and
There is gap between chamber inner bottom surface, infusion tube one end connects with dipping solution liquid reserve tank, the infusion tube other end and
Connect inside chamber and below pallet, temperature sensor, electrical heating elements are set on inside chamber, water pump, electricity plus
Thermal element, temperature sensor are electrically connected with the controller respectively.
2. a kind of period soaking corrosion circulation testing machine as described in claim 1, it is characterised in that：It further includes inside chamber
Liquid level sensor, liquid level sensor is electrically connected with the controller.
3. a kind of period soaking corrosion circulation testing machine as described in claim 1, it is characterised in that：The chamber medial surface is equipped with
Protrusion, the pallet outer rim are positioned in protrusion.
4. a kind of period soaking corrosion circulation testing machine as described in claim 1, it is characterised in that：The electrical heating elements are infrared
Drying lamp.
5. such as a kind of period soaking corrosion circulation testing machine of Claims 1 to 4 any one of them, it is characterised in that：The pallet by
Ceramic material is made.
6. a kind of period soaking corrosion cyclic test method, special based on a kind of period soaking corrosion circulation testing machine described in claim 1
Sign is：Include the following steps：
Step 1：Sample uses weather-proof steel angle profile, and multiple samples are emitted on pallet successively, and immersion fluid is molten using NaCl
Liquid；
Step 2：Invasive stages start water pump by controller, and immersion fluid is inputted to chamber inside by immersion fluid liquid reserve tank
Until sample is completely in immersion fluid, after the infiltrating time for reaching controller setting, the immersion fluid inside chamber flows back into
In immersion fluid liquid reserve tank；
Step 3：Drying stage controls electrical heating elements by controller so that chamber internal temperature increase, to sample into
Row drying；
Step 4：After the drying time for reaching controller setting, it is repeated in Step 2: step 3, in this way, moving in circles, is protected
Card sample is in the state of alternation of wetting and drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400491.9A CN108169110A (en) | 2017-12-22 | 2017-12-22 | A kind of period soaking corrosion circulation testing machine and its period soaking corrosion cyclic test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400491.9A CN108169110A (en) | 2017-12-22 | 2017-12-22 | A kind of period soaking corrosion circulation testing machine and its period soaking corrosion cyclic test method |
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| CN108169110A true CN108169110A (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711400491.9A Pending CN108169110A (en) | 2017-12-22 | 2017-12-22 | A kind of period soaking corrosion circulation testing machine and its period soaking corrosion cyclic test method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507091A (en) * | 2018-11-21 | 2019-03-22 | 昆明理工大学 | A kind of coupon alternation of wetting and drying week leaching corrosion testing apparatus |
| CN110567863A (en) * | 2019-08-20 | 2019-12-13 | 宁波市产品质量检验研究院 | Brine corrosion resistance test device for non-stick pan |
| CN110865023A (en) * | 2019-12-17 | 2020-03-06 | 西南石油大学 | Corrosion loop experiment device for seawater dry-wet alternative environment |
| CN115629029A (en) * | 2022-07-25 | 2023-01-20 | 中国长江三峡集团有限公司 | Steel strand dry-wet cycle corrosion test device and test method |
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| CN103776755A (en) * | 2013-08-15 | 2014-05-07 | 国家电网公司 | Corrosion, soaking and drying experimental system for reinforced concrete |
| CN104020099A (en) * | 2014-05-27 | 2014-09-03 | 中国科学院金属研究所 | Periodic soaking accelerated corrosion test system for metal material and metal protective coating and application thereof |
| CN104596913A (en) * | 2015-01-12 | 2015-05-06 | 深圳大学 | High-temperature dry-wet cycle automatic experiment equipment for simulating seaside corrosion environment |
| CN205538607U (en) * | 2016-04-21 | 2016-08-31 | 青岛科技大学 | A hydrochloric acid fumigation apparatus for filiform corrosion is experimental |
| CN205910101U (en) * | 2016-07-30 | 2017-01-25 | 广州市高比电梯装饰工程有限公司 | Ultraviolet ray weather resistance test equipment |
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2017
- 2017-12-22 CN CN201711400491.9A patent/CN108169110A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776755A (en) * | 2013-08-15 | 2014-05-07 | 国家电网公司 | Corrosion, soaking and drying experimental system for reinforced concrete |
| CN104020099A (en) * | 2014-05-27 | 2014-09-03 | 中国科学院金属研究所 | Periodic soaking accelerated corrosion test system for metal material and metal protective coating and application thereof |
| CN104596913A (en) * | 2015-01-12 | 2015-05-06 | 深圳大学 | High-temperature dry-wet cycle automatic experiment equipment for simulating seaside corrosion environment |
| CN205538607U (en) * | 2016-04-21 | 2016-08-31 | 青岛科技大学 | A hydrochloric acid fumigation apparatus for filiform corrosion is experimental |
| CN205910101U (en) * | 2016-07-30 | 2017-01-25 | 广州市高比电梯装饰工程有限公司 | Ultraviolet ray weather resistance test equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507091A (en) * | 2018-11-21 | 2019-03-22 | 昆明理工大学 | A kind of coupon alternation of wetting and drying week leaching corrosion testing apparatus |
| CN110567863A (en) * | 2019-08-20 | 2019-12-13 | 宁波市产品质量检验研究院 | Brine corrosion resistance test device for non-stick pan |
| CN110865023A (en) * | 2019-12-17 | 2020-03-06 | 西南石油大学 | Corrosion loop experiment device for seawater dry-wet alternative environment |
| CN115629029A (en) * | 2022-07-25 | 2023-01-20 | 中国长江三峡集团有限公司 | Steel strand dry-wet cycle corrosion test device and test method |
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Application publication date: 20180615 |
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| RJ01 | Rejection of invention patent application after publication |