CN110726596A - Method for collecting chloride ions in atmospheric environment - Google Patents
Method for collecting chloride ions in atmospheric environment Download PDFInfo
- Publication number
- CN110726596A CN110726596A CN201911051241.8A CN201911051241A CN110726596A CN 110726596 A CN110726596 A CN 110726596A CN 201911051241 A CN201911051241 A CN 201911051241A CN 110726596 A CN110726596 A CN 110726596A
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- collecting
- chloride ions
- frame
- rain
- gauze
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000001556 precipitation Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 230000035699 permeability Effects 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 description 15
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- -1 chlorine ions Chemical class 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D5/00—Control of dimensions of material
- G05D5/04—Control of dimensions of material of the size of items, e.g. of particles
- G05D5/06—Control of dimensions of material of the size of items, e.g. of particles characterised by the use of electric means
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- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Automation & Control Theory (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a method for collecting chloride ions in an atmospheric environment, which comprises the following steps: sleeving the collecting gauze on a cylindrical frame with hollowed four sides, marking a reference point and a collecting direction on the cylindrical frame or the collecting gauze, and hanging the marked cylindrical frame on the inner side of the rain shed frame according to the collecting direction; collecting at least four horizontal direction chloride ions without rain contacting the collecting gauze. The permeability of the whole acquisition process is very good; the collecting process of the invention has directionality, can collect the chloride ions in the atmosphere in different directions, at least can collect the chloride ions from 4 horizontal directions or 8 horizontal directions, and can also collect the chloride ions from the vertical direction.
Description
Technical Field
The invention relates to a method for collecting chloride ions in an atmospheric environment.
Background
The chlorine ions in the air are an important environmental factor for evaluating atmospheric corrosion and are main medium factors influencing metal corrosion, and particularly, the chlorine ion content in the atmosphere of coastal regions, the atmosphere of sea surfaces and the atmosphere of island reefs is much higher than that in inland. At present, many military and civil products in China sometimes happen under the condition that the current corrosion situation appears in the using process of the southeast coastal region, surface corrosion appears in many products, partial products even fail, and huge economic and military losses are caused to China.
The deposition rate of the chloride ions is a main environmental factor monitored by a national field scientific observation research station, particularly a field surgery observation research station in a marine climate region, and how to accurately and comprehensively collect the chloride ions in the air is particularly important. At present, the method for collecting chloride ions in air mainly comprises two methods, namely a wet candle method and a dry sheet method introduced in GB/T19292.3-2018 standard and ISO 9223.5-2012 standard. The wet candle method and the dry sheet method both have defects, the sampling of the collecting device of the wet candle method has no permeability, the hanging sheet placing direction of the dry sheet method has large influence on the collected chloride ions, and the two methods can not accurately obtain the deposition rate of the chloride ions in the air.
Disclosure of Invention
The invention aims to provide a method for collecting chloride ions in an atmospheric environment, which can more accurately acquire the deposition rate of the chloride ions in the air.
In order to achieve the purpose, the invention adopts the following technical scheme.
A method for collecting chloride ions in atmospheric environment comprises the following steps: sleeving the collecting gauze on a cylindrical frame with hollowed four sides, marking a reference point and a collecting direction on the cylindrical frame or the collecting gauze, and hanging the marked cylindrical frame on the inner side of the rain shed frame according to the collecting direction; collecting at least four horizontal direction chloride ions without rain contacting the collecting gauze.
Preferably, 4-8 horizontal direction chloride ions are collected without rain contacting the collection gauze.
Preferably, the chloride ions in 8 horizontal directions and two numerical directions are collected under the condition that no rainwater contacts the collection gauze; the collection directions include north, northeast, east, southeast, south, southwest, west, northwest, vertically up, and vertically down.
In order to further improve the accuracy of obtaining the deposition rate of the chloride ions in the air, the canopy frame comprises a vertical frame, a telescopic rain shield is arranged at the top of the vertical frame, and the telescopic rain shield can prevent rainwater from floating to the chloride ion collecting part after being stretched; the columnar frame comprises two circular rings, the two circular rings are connected into a four-side hollowed frame through at least four upright rods, and a hollow area is formed in a gap between every two adjacent upright rods.
Furthermore, the telescopic rain shielding plate comprises a splayed cover plate and a telescopic plate, the telescopic plate comprises an inclined telescopic plate and a vertical telescopic plate, the inclined telescopic plate is arranged along the inner wall of the splayed cover plate, and the vertical telescopic plate is arranged along the end side of the splayed cover plate; the expansion plate is driven by a push rod motor.
In order to further improve the accuracy of obtaining the deposition rate of the chloride ions in the air and facilitate collection, a precipitation sensor and a wind sensor are arranged outside the canopy frame, and the precipitation sensor, the wind sensor and the push rod motor are connected with a controller; when the wind sensor and the precipitation sensor simultaneously monitor data, the data are transmitted to the controller, and the controller sends a command to enable the push rod motor to act so as to drive the expansion plate to extend outwards to increase the rain shielding area; after the rain stops, when the precipitation sensor or the wind sensor does not monitor preset data, the telescopic plate is driven to reset through the motor.
Preferably, the included angle of the splayed cover plate is 120-160 degrees.
Has the advantages that: the adjustable rain shed frame is adopted, the rain shielding area can be adjusted according to the weather condition, and the chlorine ions can be collected conveniently according to the weather condition; according to the invention, the collecting gauze is sleeved on the columnar frame with the hollowed four sides, and the columnar frame is hung on the inner side of the canopy frame according to the collecting direction, so that the permeability in the whole collecting process is very good; the collecting process of the invention has directionality, can collect the chloride ions in the atmosphere in different directions, at least can collect the chloride ions from 4 horizontal directions or 8 horizontal directions, and can also collect the chloride ions from the vertical direction.
Drawings
FIG. 1 is a schematic view of an embodiment of a canopy frame;
FIG. 2 is a first schematic view of an embodiment of a columnar frame;
FIG. 3 is a second schematic diagram of the embodiment of the pillar frame.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the scope of the invention, and that modifications and variations that are not essential to the invention may be made by those skilled in the art in light of the teachings herein.
Examples
A method for collecting chloride ions in atmospheric environment comprises the following steps: sleeving the collecting gauze on a cylindrical frame with hollowed four sides, marking a reference point and a collecting direction on the cylindrical frame or the collecting gauze, and hanging the marked cylindrical frame on the inner side of the rain shed frame according to the collecting direction; and collecting the chloride ions in the atmosphere under the condition that no rainwater contacts the collecting gauze.
In this embodiment, the rain shed frame is as shown in fig. 1 to 3, and includes a vertical frame 4, a telescopic rain shielding plate is disposed on the top of the vertical frame 4, and the telescopic rain shielding plate can prevent rain water from floating to the chloride ion collecting part 16 after being stretched; the cylindrical frame comprises two circular rings 163, the two circular rings 163 are connected into a four-side hollow frame through at least four vertical rods 161, and a hollow area is formed in a gap between every two adjacent vertical rods 161. The upright post 161 is made of 304 stainless steel, the length of the upright post 161 is 14cm, and the diameter of the upright post 161 is 5 mm; the ring 163 is made of PVC material, the inner diameter of the ring 163 is 10cm, and the outer diameter of the ring 163 is 12 cm. The telescopic rain shielding plate comprises a splayed cover plate 1 (the included angle of the splayed cover plate 1 is 120-160 degrees) and a telescopic plate, the telescopic plate comprises an inclined telescopic plate 13 and a vertical telescopic plate 15, the inclined telescopic plate 13 is arranged along the inner wall of the splayed cover plate 1, and the vertical telescopic plate 15 is arranged along the end side of the splayed cover plate 1; the expansion plate is driven by a push rod motor 11. A precipitation sensor and a wind sensor are arranged outside the canopy frame, and the precipitation sensor, the wind sensor and the push rod motor 11 are connected with a controller; when the wind sensor and the precipitation sensor simultaneously monitor data, the data are transmitted to the controller, and the controller sends a command to enable the push rod motor 11 to act so as to drive the expansion plate to extend outwards to increase the rain shielding area; after the rain stops, when the precipitation sensor or the wind sensor does not monitor preset data, the telescopic plate is driven to reset through the motor.
If the chlorine ions in four horizontal directions need to be collected under the condition that no rainwater contacts the collection gauze, a columnar frame as shown in figure 3 can be adopted, and the gauze is sleeved on the side wall of the columnar frame; if the eight horizontal chloride ions are required to be collected under the condition that no rainwater contacts the collection gauze, a columnar frame as shown in figure 2 can be adopted, and the gauze is sleeved on the side wall of the columnar frame; if the chloride ions in eight horizontal directions and two numerical directions need to be collected under the condition that the gauze is collected without rainwater contact, a columnar frame as shown in figure 2 can be adopted, the side wall and the end face of the columnar frame are sleeved with gauze, the chloride ions can be deposited on the gauze at the top end of the column body under the action of gravity, and the chloride ions can be deposited on the gauze at the bottom end of the column body under the action of wind power vertically upwards from the ground. In addition, if it is required to collect two horizontal direction chloride ions without contacting the collecting gauze with rainwater, a columnar frame as shown in fig. 2 or fig. 3 may be used, and gauze may be wrapped on two upright rods oppositely arranged on the columnar frame.
Taking a certain area as an example, the chlorine ion deposition rate acquisition is carried out in four groups with one month as an acquisition period, wherein the first group adopts the traditional wet candle method, the second group adopts the north-south direction acquisition, the third group adopts the east-west direction acquisition, and the fourth group adopts the east-south-north direction acquisition. After each acquisition cycle is finished, the acquired gauze is detached, the chloride ions on the acquired gauze are further analyzed by referring to the method in the GJB 8894.1-2017 standard, and the deposition rate of the chloride ions in one acquisition cycle is counted, and the result is shown in Table 1.
Table 1 units of chloride ion deposition rate data collected: mg/(100 cm)2·d)
As can be seen from table 1, the deposition rate obtained by the conventional wet candle method is close to the deposition rate of chloride ions collected from two horizontal directions, the data of the deposition rate of chloride ions collected from the north-south direction and the south-north direction is equal to the sum of the data collected from the north-south direction and the east-west direction, and the data collected from the two horizontal directions is equal to the conventional dry sheet method. Therefore, accurate chloride ion deposition rate data cannot be directly obtained by adopting the traditional wet candle method and the traditional dry piece method, the method collects chloride ions in four horizontal directions under the condition of no rainwater contacting with the collected gauze, the obtained chloride ion deposition rate data is closer to an actual value, and the accuracy is higher.
The adjustable rain shed frame is adopted, the rain shielding area can be adjusted according to the weather condition, and the chlorine ions can be collected conveniently according to the weather condition; according to the invention, the collecting gauze is sleeved on the columnar frame with the hollowed four sides, and the columnar frame is hung on the inner side of the canopy frame according to the collecting direction, so that the permeability in the whole collecting process is very good; the collecting process of the invention has directionality, and can collect the chloride ions in the atmosphere in different directions, at least can collect the chloride ions from 4 horizontal directions or 8 horizontal directions, and can also collect the chloride ions from the vertical direction, compared with the existing wet candle method and dry sheet method, the collected chloride ions can represent the deposition characteristics of the chloride ions in the air more truly. During the use, can fix one side orientation north as the reference surface, confirm 4 or 8 orientation one by one according to clockwise, tailor the gauze after the collection cycle finishes one by one, just so can carry out the independent analysis to the chloride ion that 4 or 8 directions were gathered, can acquire 4 or 8 direction atmosphere chloride ion deposition rate data.
Claims (7)
1. A method for collecting chloride ions in atmospheric environment is characterized by comprising the following steps: sleeving the collecting gauze on a cylindrical frame with hollowed four sides, marking a reference point and a collecting direction on the cylindrical frame or the collecting gauze, and hanging the marked cylindrical frame on the inner side of the rain shed frame according to the collecting direction; collecting at least four horizontal direction chloride ions without rain contacting the collecting gauze.
2. The acquisition method according to claim 1, characterized in that: 4-8 horizontal direction chloride ions are collected under the condition that no rainwater contacts the collection gauze.
3. The acquisition method according to claim 1, characterized in that: collecting chloride ions in 8 horizontal directions and two numerical directions under the condition that no rainwater contacts the collection gauze; the collection directions include north, northeast, east, southeast, south, southwest, west, northwest, vertically up, and vertically down.
4. The acquisition method according to claim 1, 2 or 3, characterized in that: the rain shed frame comprises a vertical frame (4), a telescopic rain shield is arranged at the top of the vertical frame (4), and the telescopic rain shield can prevent rain water from floating to the chloride ion collecting part (16) after being stretched; the cylindrical frame comprises two circular rings (163), the two circular rings (163) are connected into a four-side hollowed frame through at least four vertical rods (161), and a hollow area is formed by a gap between every two adjacent vertical rods (161).
5. The acquisition method according to claim 4, characterized in that: the telescopic rain shielding plate comprises a splayed cover plate (1) and a telescopic plate, the telescopic plate comprises an inclined telescopic plate (13) and a vertical telescopic plate (15), the inclined telescopic plate (13) is arranged along the inner wall of the splayed cover plate (1), and the vertical telescopic plate (15) is arranged along the end side of the splayed cover plate (1); the expansion plate is driven by a push rod motor (11).
6. The acquisition method according to claim 5, characterized in that: a precipitation sensor and a wind sensor are arranged outside the canopy frame, and the precipitation sensor, the wind sensor and the push rod motor (11) are connected with a controller; when the wind sensor and the precipitation sensor simultaneously monitor data, the data are transmitted to the controller, and the controller sends a command to enable the push rod motor (11) to act so as to drive the expansion plate to extend outwards to increase the rain shielding area; after the rain stops, when the precipitation sensor or the wind sensor does not monitor preset data, the telescopic plate is driven to reset through the motor.
7. The collection method according to claim 6, wherein the angle of the splayed cover plate (1) is 120 ~ 160 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051241.8A CN110726596A (en) | 2019-10-31 | 2019-10-31 | Method for collecting chloride ions in atmospheric environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051241.8A CN110726596A (en) | 2019-10-31 | 2019-10-31 | Method for collecting chloride ions in atmospheric environment |
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| CN110726596A true CN110726596A (en) | 2020-01-24 |
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| CN201911051241.8A Pending CN110726596A (en) | 2019-10-31 | 2019-10-31 | Method for collecting chloride ions in atmospheric environment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198182A (en) * | 2020-10-10 | 2021-01-08 | 中国兵器工业第五九研究所 | Device and method for detecting content of chloride ions in atmospheric environment |
| CN112630397A (en) * | 2020-12-14 | 2021-04-09 | 中国兵器工业第五九研究所 | Rainwater monitoring device |
| CN113200447A (en) * | 2021-05-27 | 2021-08-03 | 中国兵器工业第五九研究所 | Near-ground three-dimensional observation device and method for marine atmospheric environmental factors |
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| CN205015201U (en) * | 2015-09-29 | 2016-02-03 | 国网福建省电力有限公司 | Collection system of chlorion deposition survey in atmospheric environment |
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| CN207867058U (en) * | 2018-03-13 | 2018-09-14 | 四川德创智谷科技有限公司 | A kind of forest intelligent gas is as monitor |
| CN109557019A (en) * | 2018-11-30 | 2019-04-02 | 国网四川省电力公司电力科学研究院 | A kind of atmospheric environment Cl ~-Monitoring device suitable for high wind weather |
| CN109997758A (en) * | 2019-03-01 | 2019-07-12 | 中山大学 | A kind of artificial fish nest and application thereof |
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2019
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Patent Citations (7)
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| US20100319248A1 (en) * | 2008-02-01 | 2010-12-23 | Pandurnena Reyankar Krishna Prasad | Device totrasfer and store freshwater, collect rainfall & grow vegetation |
| CN203629887U (en) * | 2013-11-08 | 2014-06-04 | 国家海洋环境监测中心（国家***海洋环境保护研究所） | Sediment capturing device with multi-directional collection function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198182A (en) * | 2020-10-10 | 2021-01-08 | 中国兵器工业第五九研究所 | Device and method for detecting content of chloride ions in atmospheric environment |
| CN112198182B (en) * | 2020-10-10 | 2023-07-14 | 中国兵器工业第五九研究所 | Device and method for detecting chloride ion content in atmospheric environment |
| CN112630397A (en) * | 2020-12-14 | 2021-04-09 | 中国兵器工业第五九研究所 | Rainwater monitoring device |
| CN113200447A (en) * | 2021-05-27 | 2021-08-03 | 中国兵器工业第五九研究所 | Near-ground three-dimensional observation device and method for marine atmospheric environmental factors |
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Application publication date: 20200124 |