CN201653773U - Sample pretreatment device for simulating/accelerating corrosion experiment under atmospheric environment - Google Patents
Sample pretreatment device for simulating/accelerating corrosion experiment under atmospheric environment Download PDFInfo
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- CN201653773U CN201653773U CN2010201338718U CN201020133871U CN201653773U CN 201653773 U CN201653773 U CN 201653773U CN 2010201338718 U CN2010201338718 U CN 2010201338718U CN 201020133871 U CN201020133871 U CN 201020133871U CN 201653773 U CN201653773 U CN 201653773U
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Abstract
The utility model relates to a sample pretreatment device for simulating/accelerating a corrosion experiment under an atmospheric environment, which comprises a sample treatment box and a sample holder arranged in the middle of the inside of the sample treatment box, wherein the sample holder is arranged on a rotary tray, the lower part of the center of the rotary tray is connected on a rotary motor positioned at the bottom surface of the inside of the sample treatment box by a transmission shaft, one side of the upper part of the inside of the sample treatment box is provided with a placement platform of a solid powdery particle trier, and a blower which is over against the placement platform is arranged nearby the placement platform of the solid powdery particle trier. The utility model has simple structure, low cost, strong versatility, stable working and accurate experimental parameters. In addition, solid particles with various types and different granularity, such as soil dust in air, metal powder in the mechanical production and processing processes, dust discharged by the combustion of fuel and the like, can be used for pretreating a sample simulating/accelerating the corrosion experiment by the regulation of the experimental parameters and the process. The utility model is suitable for the field of the simulation/acceleration of the corrosion experiment in a laboratory.
Description
Technical field
The utility model relates to experiment and uses apparatus field, relates in particular to the sample pretreatment device of the laboratory simulation/accelerated corrosion experiment usefulness that can realize alternation of wetting and drying, constant temperature and humidity, different corrosive gas under a kind of atmospheric environment.
Background technology
Laboratory simulation/accelerated corrosion test under the prior art is by corresponding corrosion environment is controlled at present, as temperature, humidity, etc. correlation parameter, in the laboratory, utilize special corrosion experimental device that the decay resistance of material is estimated, have easy and simple to handle, test condition precise control, high repeatability and other advantages as a result; But the cycle of this type of test is often very long, and can not be authentic and valid reflect the corrosion behavior that the particulate pollutants such as dust under the actual environment cause in the sedimentation of surface of steel plate, this just need be before environmental simulation test, sample is carried out surface preparation, be particularly suitable for the corrosion resisting property assessment of various types of materials and composition, technology and the range of application of material are screened timely and determined that the research and development of instructing new material are had important significance.
Be used for laboratory simulation/accelerated corrosion test and mainly contain constant temperature and humidity corrosion experiment, alternation of wetting and drying corrosion test and cycle infiltration corrosion test etc., its corresponding testing equipment has also all formed relevant patent, discloses a kind of constant temperature and humidity experimental box as publication number CN2792608Y; CN2119662U discloses a kind of energy-saving constant damp heat test box.
But above-mentioned two kinds of simulation/accelerated corrosion experimental provisions though belonged to sale of finished goods, all do not relate to the sample pretreatment device.Above-mentioned patented invention and commercially produced product all can only be single the simulation of carrying out atmospheric environment/accelerated corrosion experiment, be difficult to realize the influence of surface contaminant sedimentation to the material corrosion behavior.By comprehensive regulation, simulate hot and humid corrosion environment as constant temperature and humidity corrosion experiment case to temperature in the casing and humidity.Under normal conditions, the Service Environment condition of material is not to be the effect of single corrosion factor, but multifactorial synergy.Atmospheric corrosion particularly, corrosion not only is subjected to SO in the atmosphere
2, pollutant such as chlorion effect, also be deposited in the combined influence of the dust contaminant particles such as (as smoke particle, salt particles etc.) of material surface simultaneously, dust granules is deposited in the material surface moisture absorption and forms local electrochemical corrosion course, has accelerated the corrosion speed of material greatly.Therefore, be the corrosive nature of more objective and accurate ground evaluating material, laboratory atmospheric simulation/accelerated corrosion equipment should develop to multifactor direction.This shows,, need to adopt special equipment or device that specimen surface is carried out pre-service in order to realize the evaluation of different surfaces particulate pollutant corrosion condition.
The utility model content
For the simulation/accelerated corrosion experimental provision that solves under the prior art can not carry out pretreated problem to sample, a kind of equipment is had laboratory environment simulation/accelerated corrosion experimental sample surface particles thing control function, the utility model provides the sample pretreatment device of simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment, utilize the utility model, parameter control can realize the variable grain degree by experiment, dissimilar settling particulate matters are to alternation of wetting and drying, constant temperature and humidity, laboratory simulation/accelerated corrosion test models such as different corrosive gas environment carry out pre-service, realize the simulation/accelerated corrosion experiment under the multiple-factor corrosion working conditions.The concrete structure of utility model is as described below:
The sample pretreatment device of simulation/accelerated corrosion experiment usefulness comprises sample treatment box and the specimen mounting that is arranged at sample treatment box bosom under a kind of atmospheric environment, it is characterized in that:
Described specimen mounting places on the rotary-tray, and the central lower of this rotary-tray is connected on the rotation motor that is positioned at sample treatment box inner bottom surface by a transmission shaft;
Described sample treatment box, portion top one side is provided with a solid powder particle trier mounting table within it, near this solid powder particle trier mounting table a hair-dryer over against this mounting table is set.
Sample pretreatment device according to simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment of the present utility model, it is characterized in that, described specimen mounting is provided with sample, and whole specimen mounting can be circumference around the transmission shaft that is driven by rotation motor along with the rotation of rotary-tray and rotatablely move in the sample treatment box.
The specimen mounting that is loaded with sample is placed on the rotary-tray and rotates around the transmission shaft that is connected with rotary-tray, and the circumferential size of its pitch of the laps can be adjusted according to the concrete condition of sample.
Sample pretreatment device according to simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment of the present utility model, it is characterized in that, described solid powder particle trier mounting table is provided with the solid powder particle trier, and the power of blowing that this solid powder particle trier is faced the hair-dryer of this mounting table setting influences.
When rotary-tray rotates, the solid powder particle trier under the effect of Hairdryer by the solid powder particle trier mounting table that blown off, be dispersed in the sample treatment box, after rotary-tray stops operating, sample pretreatment finishes, and the solid powder particle trier just is deposited in specimen surface naturally uniformly.
Sample pretreatment device according to simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment of the present utility model, it is characterized in that its rotational time of described rotation motor and rotational speed are subjected to the control of the rotating operation timing setting knob and the pallet rotational speed setting knob of sample treatment box outside.
During work, regulate pallet rotational speed setting knob, the rotational speed of pallet is set; Rotating operation timing setting knob, rotation motor can start automatically, rotates by transmission shaft driven in rotation pallet, and can take different rotational times and rotating speed at various sample.
Sample pretreatment device according to simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment of the present utility model is characterized in that described hair-dryer, its blow strength are subjected to the control of the blow strength setting knob of sample treatment box outside.
The blow strength scalable promptly equals scalable pretreatnlent of sample degree and pretreatment time, helps subsequent experimental accuracy and ageing.
By the adjustment of every test parameters, the sample pretreatment device controllable parameter scope of simulation/accelerated corrosion experiment usefulness is as follows under the atmospheric environment of the present utility model:
(1) simulation/accelerated corrosion test sample pretreatment case adjustable working time of scope: 1-15 minute;
(2) rotary-tray rotating speed adjustable extent: 2-15 circle/minute;
(3) air outlet air quantity adjustable extent: basic, normal, high third gear altogether;
(4) simulation/accelerated corrosion test sample pretreatment case humidity control:＜60%
Use the sample pretreatment device of simulation/accelerated corrosion experiment usefulness under the atmospheric environment of the present utility model to obtain following beneficial effect:
1. the sample pretreatment apparatus structure of simulation/accelerated corrosion experiment usefulness is simple, cheap for manufacturing cost under the atmospheric environment of the present utility model, highly versatile, and working stability, experiment parameter control is accurately.
2. the sample pretreatment device of simulation/accelerated corrosion experiment usefulness under the atmospheric environment of the present utility model, parameter and process adjustment by experiment, on the utility model, can use the solid particulate matter of polytype, variable grain degree, as the metal powder that produces in airborne soil dust, the machinery production process, the dust that the fuel combustion after funnel gives off etc., simulation/accelerated corrosion test sample is carried out pre-service, be particularly suitable for the atmospheric corrosion laboratory construction.
Description of drawings
Fig. 1 is the sample pretreatment device concrete structure synoptic diagram of simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment of the present utility model.
Among the figure: 1-sample treatment box, the 2-specimen mounting, 3-rotary-tray, 4-transmission shaft, the 5-rotation motor, 6-solid powder particle trier mounting table, 7-hair-dryer, 8-sample, 9-solid powder particle trier, 10-rotating operation timing setting knob, 11-pallet rotational speed setting knob, 12-blow strength setting knob.
Embodiment
Be described further below in conjunction with the sample pretreatment device of drawings and Examples simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment of the present utility model.
As shown in Figure 1, open the chamber door of sample treatment box 1, pretreated sample 8 is placed on the specimen mounting 2, again specimen mounting is positioned on the rotary-tray 3 after according to sample concrete condition adjusting position, solid powder particle trier 9 is positioned on the solid powder particle trier mounting table 6, closes the chamber door of sample treatment box, power-on, regulate blow strength setting knob 12, blow strength is set; Regulate pallet rotational speed setting knob 11, the rotational speed of pallet is set; Regulate rotating operation timing setting knob 10, rotation motor 5 can start automatically, drives connected transmission shaft 4 and comes the driven in rotation pallet to rotate.This moment the solid powder particle trier solid powder particle trier mounting table that under the effect of hair-dryer 7 blowings, blown off, be dispersed in the sample treatment box, after rotary-tray stops operating, sample pretreatment finishes, and the solid powder particle trier is with regard to nature and be deposited in specimen surface equably.
So far pre-service work finishes fully.
Embodiment 1-is through the processing of pre-service case and without the damp and hot accelerated corrosion test of pre-service cold-rolled steel sheet
Realize that the pretreated principle of work of constant temperature and humidity accelerated corrosion experimental sample is: the cold-rolled steel sheet of degreasing degreasing is positioned on the specimen mounting, specimen mounting is positioned on the rotary-tray, the soil dust is placed solid powder particle trier mounting table, close pre-service case chamber door; Power-on is regulated blow strength setting knob, pallet rotational speed setting knob, run timing setting knob, and blow strength, pallet rotational speed, working time are controlled.
Utilize this device that cold-rolled steel sheet is carried out the pre-service of soil dust, with together putting into damp and hot case without pretreated cold-rolled steel sheet, constant temperature and humidity (40 ℃, carry out simulation accelerated corrosion test under condition 98%RH), investigate through pre-service and the corrosion test cycle of not passing through the pre-service sample.
The specific operation process of this experiment is as follows:
(1) specimen mounting and sample are positioned on the rotary-tray;
(2) it be low-grade setting the blowing air quantity, rotational speed be 5 enclose/minute, be set at 5 minutes working time;
(3) behind the pre-service case end of run, take out specimen mounting, be positioned in the damp and hot case;
(4) 40 ℃ of damp and hot case constant temperature and humidities, 98%RH are set.
Test findings shows, through pre-service with do not pass through the pre-service sample through (40 ℃ of 7 days constant temperature and humidities, 98%RH) behind the damp heat test, the time cycle that produces corrosion is that there were significant differences, its main cause is the interior environmental facies of damp and hot case to purer, and no solid pollutant is deposited in specimen surface.
Embodiment 2-different process cold rolling weather resisting steel plate is the room atmosphere corrosion test after pretreatment unit is handled
This experiment utilizes this pretreatment unit that cold rolling weather resisting steel plate is carried out pre-service, and implementation step places room atmosphere with embodiment 1 with pretreated model, carries out atmospheric corrosion test.
The specific operation process of this experiment is as follows:
(1) specimen mounting and sample are positioned on the rotary-tray;
(2) it be low-grade setting the blowing air quantity, rotational speed be 5 enclose/minute, be set at 5 minutes working time;
(3) behind the pre-service case end of run, take out specimen mounting, be positioned in the room atmosphere;
Test findings shows, through after 10 days room atmosphere corrosion tests, observes the decay resistance of various samples, whether corrosion is arranged, compared, save experimental period through pretreated cold rolling weather resisting steel plate sample with directly putting into the room atmosphere observation in the past, and experiment effect is good, and data are accurate.
The sample pretreatment apparatus structure of simulation/accelerated corrosion experiment usefulness is simple under the atmospheric environment of the present utility model, cheap for manufacturing cost, highly versatile, working stability, experiment parameter control accurately, parameter and process adjustment by experiment in addition, on the utility model, can use polytype, the solid particulate matter of variable grain degree, as airborne soil dust, the metal powder that produces in the machinery production process, the dust that the fuel combustion after funnel gives off etc., simulation/accelerated corrosion test sample is carried out pre-service, be particularly suitable for the atmospheric corrosion laboratory construction, be applicable to laboratory simulation/accelerated corrosion experiment field.
Claims (5)
1. the sample pretreatment device of simulation/accelerated corrosion experiment usefulness under the atmospheric environment, the specimen mounting (2) that comprises sample treatment box (1) and be arranged at sample treatment box bosom is characterized in that:
Described specimen mounting (2) places on the rotary-tray (3), and the central lower of this rotary-tray is connected on the rotation motor (5) that is positioned at sample treatment box (1) inner bottom surface by a transmission shaft (4);
Described sample treatment box (1), portion top one side is provided with a solid powder particle trier mounting table (6) within it, and a hair-dryer over against this mounting table (7) is set near this solid powder particle trier mounting table.
2. the sample pretreatment device of simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment as claimed in claim 1, it is characterized in that, described specimen mounting (2) is provided with sample (8), and whole specimen mounting can be circumference around the transmission shaft (4) that is driven by rotation motor (5) along with the rotation of rotary-tray (3) and rotatablely move in sample treatment box (1).
3. the sample pretreatment device of simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment as claimed in claim 1, it is characterized in that, described solid powder particle trier mounting table (6) is provided with solid powder particle trier (9), and this solid powder particle trier is faced the power of the blowing influence of the hair-dryer (7) of this mounting table setting.
4. the sample pretreatment device of simulation/accelerated corrosion experiment usefulness under a kind of atmospheric environment as claimed in claim 1, it is characterized in that, described rotation motor (5), its rotational time and rotational speed are subjected to the outside rotating operation timing setting knob (10) of sample treatment box (1) and the control of pallet rotational speed setting knob (11).
5. the sample pretreatment device of simulation/accelerated corrosion experiment usefulness is characterized in that described hair-dryer (7), its blow strength are subjected to the control of the outside blow strength setting knob (12) of sample treatment box (1) under a kind of atmospheric environment as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201338718U CN201653773U (en) | 2010-03-18 | 2010-03-18 | Sample pretreatment device for simulating/accelerating corrosion experiment under atmospheric environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201338718U CN201653773U (en) | 2010-03-18 | 2010-03-18 | Sample pretreatment device for simulating/accelerating corrosion experiment under atmospheric environment |
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| CN201653773U true CN201653773U (en) | 2010-11-24 |
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| CN2010201338718U Expired - Fee Related CN201653773U (en) | 2010-03-18 | 2010-03-18 | Sample pretreatment device for simulating/accelerating corrosion experiment under atmospheric environment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403588A (en) * | 2015-12-28 | 2016-03-16 | 国电联合动力技术有限公司 | Test system for assessing freeze resistance of wind turbine blade coating, and method thereof |
| CN107314967A (en) * | 2016-06-12 | 2017-11-03 | 中国石油化工股份有限公司 | Method of testing of the chemical solid to metal protection |
| CN107782661A (en) * | 2017-10-27 | 2018-03-09 | 燕京啤酒(桂林漓泉)股份有限公司 | Whether the labeling binder that judgement beer valve protection cap mark uses can cause the method for crown plug corrosion in shelf life |
-
2010
- 2010-03-18 CN CN2010201338718U patent/CN201653773U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403588A (en) * | 2015-12-28 | 2016-03-16 | 国电联合动力技术有限公司 | Test system for assessing freeze resistance of wind turbine blade coating, and method thereof |
| CN107314967A (en) * | 2016-06-12 | 2017-11-03 | 中国石油化工股份有限公司 | Method of testing of the chemical solid to metal protection |
| CN107782661A (en) * | 2017-10-27 | 2018-03-09 | 燕京啤酒(桂林漓泉)股份有限公司 | Whether the labeling binder that judgement beer valve protection cap mark uses can cause the method for crown plug corrosion in shelf life |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20150318 |
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| EXPY | Termination of patent right or utility model |