CN203658226U - Metal part corrosion accelerating system - Google Patents
Metal part corrosion accelerating system Download PDFInfo
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- CN203658226U CN203658226U CN201320848193.7U CN201320848193U CN203658226U CN 203658226 U CN203658226 U CN 203658226U CN 201320848193 U CN201320848193 U CN 201320848193U CN 203658226 U CN203658226 U CN 203658226U
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- 230000007797 corrosion Effects 0.000 title claims abstract description 43
- 238000005260 corrosion Methods 0.000 title claims abstract description 43
- 239000002184 metal Substances 0.000 title claims abstract description 43
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims description 16
- 238000010276 construction Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000005485 electric heating Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 16
- 238000012360 testing method Methods 0.000 description 11
- 238000011156 evaluation Methods 0.000 description 8
- 238000005498 polishing Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 235000021053 average weight gain Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a metal part corrosion accelerating system. The metal part corrosion accelerating system comprises a main box body, wherein the main box body is divided into an upper part, a middle part and a lower part by using a moisture barrier plate and a heat insulating plate; the upper part of the main box body is provided with a control panel on which a humidity display, a temperature display and a corrosive gas display are arranged; the middle part of the main box body is provided with an experimental box body in which a storage rack, an electric heating plate, a humidity sensor, a temperature sensor and a corrosive gas sensor are arranged, and the storage rack is provided with a metal hanging piece to be tested; the lower part of the main box body is provided with a corrosive gas generating device and a saturated air barrel. The metal part corrosion accelerating system is low in manufacturing cost, accurate in experimental condition parameter control and capable of simulating metal corrosion under different environments, so that the suggestion with a reference value is provided for the construction and daily maintenance of a transformer substation.
Description
Technical field
The utility model belongs to corrosion technology field, especially a kind of metal parts accelerated corrosion device.
Background technology
In recent years because pollutant in atmosphere increases, be exposed to the impact that transformer station's metal parts of being on active service in atmosphere is alternately changed by Natural environment factors temperature/humidity not only, also will suffer the impact of chemical pollutant in atmosphere, these metal parts are very easy to corrode simultaneously.
The corrosion and protection technical research of power transformating and supplying facility has been listed in " 12 " program for the development of science and technology by State Grid Corporation of China, and call energetically Study on Problems such as comprehensively carrying out the corrosion of electrical network key member and protection within the scope of Guo Wang company, strong for building " intelligent grid " provides strong technical support.In recent years, Novel heavy anticorrosive paint and the resistant material of high performance, resistance to weather extremes, acid rain resistant, multi-functional, ornamental strong, economy, environmental protection low toxicity, long service life constantly occur, but be subject to the restriction of economy and service condition, existing facility is difficult to change and process, carry out facilities environment evaluation, according to environmental evaluation result, carry out and overhaul targetedly and processing seems very important.Therefore, in the urgent need to a kind of transformer station metal parts accelerated corrosion device, obtain by experiment accelerated corrosion evaluation method, instruct actual conditions with this evaluation method, not only can before have an accident, extract and take measures, but also can be cost-saving, ensure power supply safety, to national economy rapid growth and social stability important in inhibiting.
All there is certain defect in domestic published various accelerated corrosion experimental provisions at present, complicated structure, and use inconvenience, test findings reliability is poor.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, test is convenient and result metalwork accelerated corrosion accurately and reliably system.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of metalwork accelerated corrosion system, and it comprises a main box, described main box is divided into three of upper, middle and lower part by the thermal insulative board every wet plate and top that is positioned at its underpart;
Wherein, main box top is arranged with control panel, is provided with wetness, temperature indicator and etchant gas display on described control panel;
The middle part of main box is provided with experimental box body, described experimental box body inside is provided with rack, described rack is provided with metal lacing film to be tested, the bottom of described experimental box body is provided with electric hot plate and circulation exhaust fan, humidity sensor, temperature sensor and etchant gas sensor in being provided with in described experimental box body, described humidity sensor, temperature sensor and etchant gas sensor respectively with wetness, temperature indicator, etchant gas display; The top of described experimental box body is provided with escape pipe;
The bottom of main box is divided and is provided with etchant gas generating means and saturated air bucket, described etchant gas generating means is communicated with draft tube, described saturated air bucket connects experimental box body through gas piping, described etchant gas generating means connects gas piping by the pipeline of provided with electromagnetic valve, and described gas piping is connected with the gas meter being arranged on experimental box body.
Further improve, the utility model also comprises the atomizer of being located at experimental box body top, and described atomizer is communicated with the reserve tank that is positioned at main box bottom via the pipeline with pump.
Further improve, the utility model also comprises salt fog device, this salt fog device comprises the salt atomizing nozzle and the dehumidifier that are positioned at experimental box body bottom, described salt atomizing nozzle is connected with draft tube by the pipeline with gas control valve, described dehumidifier and salt atomizing nozzle are in same level, and dehumidizier is equipped with in its inside.
Preferably, in described experimental box body, be provided with the buffer board matching with gas piping air intake opening position.
Preferably, described wetness, temperature indicator and etchant gas display are in same level, and described main box sidewall is provided with exhaust fan.
Preferably, described electric hot plate and circulation exhaust fan are in same level.
Further improve, this is novel also comprises a PLC control module, and this PLC control module is located on control panel, and described humidity sensor, temperature sensor and etchant gas sensor all connect PLC control module.Described dehumidifier switch is connected with PLC control module.Described gas meter connects this PLC control module.
The method of operating of above-mentioned metalwork accelerated corrosion device is following steps:
1) metal lacing film is processed: metal lacing film is carrying out first using sand papering before corrosion experiment, till polishing successively and cannot see to the front vestige of once polishing by 3#, 5#, 6# order from coarse to fine, while changing the polishing of sand paper model at every turn, polishing direction changes 90 degree, polish to metal lacing film surface-brightening as mirror, then clean with distilled water, then putting into absolute ethyl alcohol cleans, finally fully clean with acetone, after cleaning, cold wind dries up, seal again four limits of metal lacing film with epoxy resin, put into the exsiccator that fills silica gel and store; Each every group of parallel sample of test material is 3, and metal lacing film is rectangular parallelepiped, and its length × wide × height is 50 × 25 × 2 mm, and the thickness of application epoxy resin is at 1～10 mm;
Carrying out before corrosion experiment, the metal lacing film weight that successively twice measurement made, the result of measuring weight for twice differs at 0.1mg, can be used for carrying out corrosion experiment; Metal lacing film records its original weight before putting experimental box into, and metal lacing film is hung on rack with fine rule, and the suspension height of each metal lacing film is consistent;
2) corrosive gas that etchant gas generating means is produced enters in experimental box body, control temperature, relative humidity and the volume fraction of corrosive gas, complete after stipulated time corrosion experiment, using the average surrosion of lacing film unit area as transformer station's metal parts accelerated corrosion evaluation method; According to experiment needs, open gas control valve and pump;
Described metal lacing film takes out 3 as one group after each accelerated corrosion experiment, calculates corrosion rate with the average weight gain of 3 lacing film unit areas.
Preferably, the temperature of described etchant gas is controlled at 25～40 DEG C, and relative humidity control RH is controlled at 40～90%, and volume fraction is controlled at 0～100 ppm.
Principle of work of the present utility model is: after the etchant gas that air produces with etchant gas generating means after saturated air bucket reaches constant temperature and humidity mixes, enter in experimental box body via gas meter, experimental box body bottom electrical hot plate adds hot-air, make hot-air in main tank body-internal-circulation by circulation exhaust fan, thereby realize experimental box body heating.For meeting the corrosion of simulation metal lacing film under different condition, be provided with water spray and salt fog device simultaneously.For controlling charge flow rate, the utility model is provided with gas meter on experimental box body; Excessive for preventing from entering the gas velocity of experimental box body, the utility model is equipped with buffer board in experimental box body, can effectively slow down gas velocity, avoids air-flow to impact experimental result, for avoiding experimental box body excess Temperature, the utility model is equipped with exhaust fan in main tank body wall side.
The beneficial effect that adopts technique scheme to produce is:
(1) the utility model is relatively simple for structure, it can see the parameters such as temperature, relative humidity and the etchant gas air inflow of experimental enviroment, and can control accordingly, improve reliability, the reappearance of test, can realize the Fast Evaluation of accelerated corrosion test;
(2) the effectively content of the interior gas of monitoring experiment casing of etchant gas sensor, the sensor such as temperature, humidity and the gas meter of setting can improve conventional efficient and degree of accuracy;
(3) exhaust fan can be introduced outdoor air and realize the reduction of experimental box body temperature;
(4) buffer board is equipped with in experimental box body inside, can reduce gas flow rate, avoids to greatest extent causing because of gas flow rate problem the precision of experiment;
(5) dehumidifier is equipped with in experimental box body inside, can accurately control the relative humidity in casing;
(6) in experimental box body, be provided with water spray and salt fog device, can meet the accelerated corrosion of metal under varying environment.
Brief description of the drawings
Fig. 1 is the structural representation that transformer station of the present utility model metal parts accelerates rotten device;
Fig. 2 is the schematic diagram of the utility model metal lacing film;
Fig. 3 is the test schematic diagram of this metal lacing film;
In figure: 1, heat-insulation layer; 2, draft tube; 3, every wet plate; 4, electric hot plate; 5, gas control valve; 6, salt atomizing nozzle; 7, metal lacing film; 8, humidity sensor; 9, temperature sensor; 10, gas outlet; 11, thermal insulative board; 12, wetness; 13, vent valve; 14, temperature indicator; 15, etchant gas display; 16, PLC control module; 17, control panel; 18, atomizer; 19, experimental box body; 20, etchant gas sensor; 21, rack; 22, dehumidifier; 23, gas meter; 24, exhaust fan; 25, buffer board; 26, circulation exhaust fan; 27, pump; 28, reserve tank; 29, etchant gas generating means; 30, solenoid valve; 31, liquid level gauge; 32, saturated air bucket; 33, gas admittance valve; 34, gas piping.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Referring to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, the present embodiment structure is: comprise control panel 17, experimental box body 19, main box, etchant gas generating means and saturated air bucket,
Described main box is separated into three of upper, middle and lower part by the thermal insulative board 11 every wet plate 3 and top of bottom;
On main box, on the control panel of part, be provided with wetness 14, temperature indicator 12, etchant gas display 15 and PLC control module 16; Described PLC control module 16 detects controller by temperature and humidity controller, gas and the time relay three parts form, it adopts existing control module, various controller all can be realized this type of and control function, such as adopting HC6800ES-V1.0 module and the XCZ-100F module of general middle scientific and technological development.This PLC control module 16 can further facilitate control, reduces manually amount, improves the reliability of test, choice for use as required.
The middle part of main box is provided with experimental box body 19, electric hot plate 4 and circulation exhaust fan 26;
The latter half of main box is provided with etchant gas generating means 29, saturated air bucket 32, reserve tank 28 and pump 27.
On control panel, wetness 12, temperature indicator 14, etchant gas display 15 and PLC control module 16 are in same level, and wetness 12, temperature indicator 14 and etchant gas display 15 are connected with humidity sensor 8, temperature sensor 9 and etchant gas sensor 20 in experimental box body 19 respectively, then are connected with PLC control module 16.
Atomizer 18 is equipped with on described experimental box body 19 tops, and atomizer 18 is connected with pump 27, reserve tank 28 by water pipe, and pump 27 switches are connected in PLC control module 16.
Salt atomizing nozzle 6 and dehumidifier 22 are equipped with in described experimental box body 19 bottoms, and salt atomizing nozzle 6, gas control valve 5 and draft tube 2 are connected, and dehumidifier 22 is with salt atomizing nozzle 6 in same level, and its inside is equipped with dehumidizier, and is connected with PLC control module 16.Gas meter 23 on described experimental box body 19 panels is connected with saturated air bucket 32, etchant gas generating means 29.
Described main box middle part electric hot plate 4 and the bottom of circulation exhaust fan 26 in experimental box body 19, and be positioned at same level, be connected with the PLC control module 16 on control panel respectively simultaneously.In described experimental box body, be provided with a buffer board 25, this buffer board 25 is positioned at gas piping air intake opening position, and buffer board 25 is that surface has the rectangle corrosion-resistant plate that many diameters are 5mm aperture.Gas meter on described experimental box body panel is connected with saturated air bucket, etchant gas generating means.Described electric hot plate and the bottom of circulation exhaust fan in experimental box body, and be positioned at same level, be connected with the PLC control module 16 on control panel respectively simultaneously.
The method of operating of said apparatus is specially:
The processing of metal lacing film corrosion front and rear surfaces:
Metal lacing film is carrying out first using sand papering before corrosion experiment, till polishing successively and cannot see to the front vestige of once polishing by 3#, 5#, 6# order from coarse to fine, while changing the polishing of sand paper model at every turn, polishing direction changes 90 degree, polish to metal lacing film surface-brightening as mirror, then clean with distilled water, then putting into absolute ethyl alcohol cleans, finally fully clean with acetone, after cleaning, cold wind dries up, seal again four limits of metal lacing film with epoxy resin, put into the exsiccator that fills silica gel and store.Each every group of parallel sample of test material is 3, and metal lacing film is rectangular parallelepiped, and the requirement of its size conforms Fig. 2 is specifically of a size of 50 × 25 × 2 mm(length × wide × height), the thickness of application epoxy resin is at 1～10 mm.
Carrying out before corrosion experiment, the metal lacing film weight that successively twice measurement made, the result of measuring weight for twice differs at 0.1mg, can be used for carrying out corrosion experiment.Metal lacing film records its original weight before putting experimental box into, and metal lacing film is hung on rack with fine rule, and the suspension height of each metal lacing film is consistent.
The careful clean surface of distilled water for metal lacing film after test, cold wind dries up afterwards, then puts into the exsiccator that fills silica gel and store 24 h, and metal lacing film is weighed.
Test specific operation process is as follows:
(1) device connects power supply, and in PLC control module 16, set temperature, humidity and etchant gas are containing numerical quantity.
(2) open gas admittance valve 33, open electric hot plate 4 and circulation exhaust fan 26 simultaneously, make the temperature and humidity of experimental box body 19 reach setting value.
(3) on rack 21, hang metal lacing film 7, then close rapidly chamber door.
(4) open solenoid valve 30, adjusting gas flow meter 23 simultaneously, makes etchant gas content reach the required numerical value of experiment.
(5) according to experiment needs, open gas control valve 5 and pump 27.
(6) start record, after experiment finishes, open vent valve 24, finally close instrument, disconnected power down source.
Complete and stop test after stipulated time corrosion experiment, using the average surrosion of lacing film unit area as transformer station's metal parts accelerated corrosion evaluation method.
Adopt this utility model to carry out the metal parts accelerated corrosion to transformer station, and then set up a kind of evaluation method, for transformer substation construction and daily servicing provide the suggestion with reference value.
Be more than for the illustrating of possible embodiments of the present utility model, but this embodiment is not only in order to limit the scope of the claims of the present utility model, allly do not depart from equivalence of the present utility model and implement or change, all should be contained in the scope of the claims of the present utility model.
Claims (8)
1. a metalwork accelerated corrosion system, is characterized in that: it comprises a main box, and described main box is divided into three of upper, middle and lower part by the thermal insulative board (11) every wet plate (3) and top that is positioned at its underpart;
Wherein, main box top is arranged with control panel (17), is provided with wetness (12), temperature indicator (14) and etchant gas display (15) on described control panel (17),
The middle part of main box is provided with experimental box body (19), described experimental box body (19) inside is provided with rack (21), described rack (21) is provided with metal lacing film to be tested, the bottom of described experimental box body (19) is provided with electric hot plate (4) and circulation exhaust fan (26), in described experimental box body (19), be provided with humidity sensor (8), temperature sensor (9) and etchant gas sensor (20), described humidity sensor (8), temperature sensor (9) and etchant gas sensor (20) respectively with wetness (12), temperature indicator (14), etchant gas display (15) is connected, the top of described experimental box body is provided with escape pipe (10),
The bottom of main box is divided and is provided with etchant gas generating means (29) and saturated air bucket (32), described etchant gas generating means is communicated with draft tube (2), described saturated air bucket (32) connects experimental box body (19) through gas piping (34), described etchant gas generating means (29) connects gas piping (34) by the pipeline of provided with electromagnetic valve (30), and described gas piping is connected with the gas meter (23) being arranged on experimental box body (19).
2. metalwork accelerated corrosion system according to claim 1, it is characterized in that: also comprise the atomizer (18) of being located at experimental box body (19) top, described atomizer (18) is communicated with the reserve tank (28) that is positioned at main box bottom via the pipeline with pump.
3. metalwork accelerated corrosion system according to claim 2, it is characterized in that: also comprise salt fog device, this salt fog device comprises the salt atomizing nozzle (6) and the dehumidifier (22) that are positioned at experimental box body (19) bottom, described salt atomizing nozzle (6) is connected with draft tube (2) by the pipeline of band gas control valve (5), described dehumidifier (22) is with salt atomizing nozzle (6) in same level, and dehumidizier is equipped with in its inside.
4. according to the metalwork accelerated corrosion system described in claim 1-3 any one, it is characterized in that: in described experimental box body (19), be provided with the buffer board (25) matching with gas piping (34) air intake opening position.
5. metalwork accelerated corrosion system according to claim 4, is characterized in that: described buffer board (25) is for opening foraminate rectangle corrosion-resistant plate in surface.
6. according to the metalwork accelerated corrosion system described in claim 1-3 any one, it is characterized in that: described wetness (12), temperature indicator (14) and etchant gas display (15) are in same level, and described main box sidewall is provided with exhaust fan (24).
7. according to the metalwork accelerated corrosion system described in claim 1-3 any one, it is characterized in that: described electric hot plate (4) and circulation exhaust fan (26) are in same level.
8. metalwork accelerated corrosion system according to claim 1, is characterized in that: also comprise a PLC control module (16), described humidity sensor, temperature sensor and etchant gas sensor all connect PLC control module (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848193.7U CN203658226U (en) | 2013-12-20 | 2013-12-20 | Metal part corrosion accelerating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848193.7U CN203658226U (en) | 2013-12-20 | 2013-12-20 | Metal part corrosion accelerating system |
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| CN203658226U true CN203658226U (en) | 2014-06-18 |
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| CN201320848193.7U Expired - Fee Related CN203658226U (en) | 2013-12-20 | 2013-12-20 | Metal part corrosion accelerating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698264A (en) * | 2013-12-20 | 2014-04-02 | 国家电网公司 | Accelerated-corroding device for metal parts of transformer station and corrosion evaluating method |
| CN106769079A (en) * | 2016-11-29 | 2017-05-31 | 上海机动车检测认证技术研究中心有限公司 | Fatigue test Multifunctional environment device |
| CN109569941A (en) * | 2017-09-28 | 2019-04-05 | 上海热策电子科技有限公司 | A kind of multiple spray system of white body accelerated corrosion experimental cabin |
| CN110907346A (en) * | 2019-12-05 | 2020-03-24 | 西安电力高等专科学校 | Electric power material accelerated corrosion simulation device under multiple media and use method |
| CN113916755A (en) * | 2021-08-19 | 2022-01-11 | 中国兵器工业第五九研究所 | Damp and hot salt fog atmosphere comprehensive test equipment |
-
2013
- 2013-12-20 CN CN201320848193.7U patent/CN203658226U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698264A (en) * | 2013-12-20 | 2014-04-02 | 国家电网公司 | Accelerated-corroding device for metal parts of transformer station and corrosion evaluating method |
| CN106769079A (en) * | 2016-11-29 | 2017-05-31 | 上海机动车检测认证技术研究中心有限公司 | Fatigue test Multifunctional environment device |
| CN106769079B (en) * | 2016-11-29 | 2020-05-01 | 上海机动车检测认证技术研究中心有限公司 | Multifunctional environment device for fatigue test |
| CN109569941A (en) * | 2017-09-28 | 2019-04-05 | 上海热策电子科技有限公司 | A kind of multiple spray system of white body accelerated corrosion experimental cabin |
| CN110907346A (en) * | 2019-12-05 | 2020-03-24 | 西安电力高等专科学校 | Electric power material accelerated corrosion simulation device under multiple media and use method |
| CN113916755A (en) * | 2021-08-19 | 2022-01-11 | 中国兵器工业第五九研究所 | Damp and hot salt fog atmosphere comprehensive test equipment |
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Granted publication date: 20140618 Termination date: 20161220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |