CN209570404U - A kind of collection device of portable coastal building surface chloride ion - Google Patents
A kind of collection device of portable coastal building surface chloride ion Download PDFInfo
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- CN209570404U CN209570404U CN201920174795.6U CN201920174795U CN209570404U CN 209570404 U CN209570404 U CN 209570404U CN 201920174795 U CN201920174795 U CN 201920174795U CN 209570404 U CN209570404 U CN 209570404U
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- China
- Prior art keywords
- chloride ion
- sampling instrument
- sand core
- building surface
- atmospheric sampling
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Abstract
The utility model discloses a kind of collection devices of portable coastal building surface chloride ion;Including tripod, two-way atmospheric sampling instrument, the first and second sand core funnel, the first and second suck-back device;Two-way atmospheric sampling instrument is arranged on tripod, first sand core funnel, the second sand core funnel are separately positioned on the left and right sides of two-way atmospheric sampling instrument, one end of first suck-back device is connected with the larger diameter end of the first sand core funnel by rubber connecting leg, and the other end is connected with the pump orifice of two-way atmospheric sampling instrument by rubber connecting leg;Second suck-back device one end is connected with the larger diameter end of the second sand core funnel by rubber connecting leg, and the other end is connected with the pump orifice of two-way atmospheric sampling instrument by rubber connecting leg.The collection of coastal building surface chloride ion is carried out using the device of the utility model, process is simply easily operated, while eliminating the interference of the factors such as mean wind speed, wind direction, humidity, and precision is higher.
Description
Technical field
The utility model relates to a kind of collection devices of portable coastal building surface chloride ion.
Background technique
In atmospheric environment in coastal area, since seawater salt content is high, sea level overhead stream carry chloride ion with
Sea wind come land.Chloride ion is the main component of sea-water salt, for building especially concrete construction, metal structure
The corrosion of component has significant impact, and chloride ion content is higher in air, also bigger in outer surface of building deposition, to society
Economy causes tremendous influence.So particularly significant for the detection of the chloride ion in external surface of buildings.
The acquisition method of chloride ion mainly has two methods of wet candle method and hanging slice method at present.Wherein, chlorine in ISO9223 standard
The acquisition method of ion is wet candle method, and the domestic common acquisition method in atmosphere website is hanging slice method.The sampling cartridge of two methods
It sets and sees Fig. 1,2.Analysis method is mercurimetry and spectrophotometer method.Pass through the acquisition and comparison to different chlorine ion concentrations
Analysis shows: the chloride ion rate of settling that two kinds of method of samplings of wet candle method and hanging slice method obtain has obvious difference;In wind speed
In biggish situation, two methods can generate large error;Both of which does not reflect the shape of building surface simultaneously
Condition.
By the retrieval discovery to existing patent document, the Chinese utility model patent of application number 201520758395.1 is public
A kind of acquisition device of chloride ion deposition measurement in atmospheric environment is opened;Including the chloride ion in receiving flask and insertion receiving flask
Acquisition device;Receiving flask includes bottle body and the catch tray for filling solution, and catch tray is mounted on the lower part of the bottle body;Chloride ion is adopted
Acquisition means include column core, card slot, clip and gauze in a tubular form, and gauze in a tubular form is set on column core, and card slot will be on column core
The gauze card jail of side simultaneously seals, and bottleneck is fixed and be inserted into the gauze in the middle part of column core by the clip, under the free end nature of gauze
In the vertical solution being immersed in bottle.The measurement of chloride ion deposition is carried out using the device, equally exists the situation larger in wind speed
Under can generate large error;And it not can reflect the defect of the situation of building surface.
Utility model content
Since coastal area wind speed is generally all larger, and what is had a direct impact to building is that the chloride ion on its surface contains
Amount, therefore in consideration of it, the purpose of this utility model is to provide a kind of collection dresses of portable coastal building surface chloride ion
It sets;The device can preferably realize the high-precision collection for coast area object surface chloride ion.
The purpose of this utility model is achieved through the following technical solutions:
The utility model relates to a kind of collection device of portable coastal building surface chloride ion, described device includes three
Foot prop, two-way atmospheric sampling instrument, the first sand core funnel, the second sand core funnel, the first suck-back device and the second suck-back device;
The two-way atmospheric sampling instrument is arranged on the tripod, and first sand core funnel, the second sand core funnel are separately positioned on
The left and right sides of the two-way atmospheric sampling instrument, one end of first suck-back device and the larger diameter end of the first sand core funnel are logical
It crosses rubber connecting leg to be connected, the other end is connected with the pump orifice of two-way atmospheric sampling instrument by rubber connecting leg;Described second is anti-
Suck-back device one end is connected with the larger diameter end of the second sand core funnel by rubber connecting leg, the other end and two-way atmospheric sampling instrument
Pump orifice be connected by rubber connecting leg.
Preferably, the liftoff 1.2~2m of the tripod.
Preferably, the suction flow of the two-way atmospheric sampling instrument is 0.8~1.2L/min.
Preferably, the two-way atmospheric sampling instrument carries out aspirating for continual 2 hours at times.
Preferably, the collection device further includes the pipettor of transfer acquisition sample, and accommodates the collection of acquisition sample
Bottle.
Preferably, the collection liquid built in the receiving flask is the Na of 0.06% (mass percent concentration)2CO3Solution or
Deionized water.
It is collected using the device of the utility model and detects coastal building surface chloride ion, included the following steps:
S1, blank sample is being collected with a distance from extra large 1000m or more, blank sample concentration value: C is obtained by ion chromatography0,
Unit is mg/L;
S2, using two Duplicate Samples of the collection device disposable collecting;Two are obtained in parallel by ion chromatography
Concentration value: C1、C2, unit mg/L;
S3, chlorine ion concentration C in atmosphere is calculated according to the following formula*:
C is detectable concentration sample, unit mg/L;C*For chlorine ion concentration in atmosphere, unit mg/m3, t is the sampling time,
Unit is min, and v is sampling rate, unit min/L;
S4, chlorine ion concentration in atmosphere and building surface chlorine ion concentration be associated according to the following formula, is converted:
CS, air=C*e-0.005d, CS, airFor building surface concentration, d is linear distance of the measurement point apart from building surface.
The ion chromatography that the ion chromatography uses: ICS-2000, band KOH leacheate generating system;Analytical column:
IonPac AG15+IonPac AS19;Cleaning solution gradient: 3mM, 0-12.5min:3-43mM, 12.5-32.5min;Wash liquid stream
Speed: 1.0mL/min.
The ion chromatography uses detection mode for inhibition Conductivity detection.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the collection of coastal building surface chloride ion is carried out using the device of the utility model, process is simply easy to grasp
Make, while eliminating the interference of the factors such as mean wind speed, wind direction, humidity, precision is higher, is suitble to the case where cannot detecting in time;
2, the device of the utility model collects air, assembly pressure balance by the impinger mode of small-sized drawing-in type
Principle sample is recycled, greatly improve collection precision;
3, air-tightness and air-tightness when transport, improve the precision of preservation when the device also strictly considers to collect.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is wet candle method sampling apparatus schematic diagram;
Fig. 2 is dry slide method sampling apparatus schematic diagram;
Fig. 3 is the collection device schematic diagram of the portable coastal building surface chloride ion of the utility model;
Fig. 4 is the influence diagram of the chlorine ion concentration with a distance from seashore;
Wherein, 1 is tripod, and 2 be small-sized atmosphere sampling instrument, and 3 be the first sand core funnel, and 4 be the second sand core funnel, and 5 are
First suck-back device, 6 be the second suck-back device, and 7 be brandreth, and 8 be rubber connecting leg.
Specific embodiment
The utility model is described in detail below with reference to embodiment.Following embodiment will be helpful to the technology of this field
Personnel further understand the utility model, but do not limit the utility model in any form.It should be pointed out that this field
For those of ordinary skill, without departing from the concept of the premise utility, it can also make certain adjustments and improvements.These
Belong to the protection scope of the utility model.
Embodiment
The present embodiment is related to a kind of collection device of portable coastal building surface chloride ion: described device such as Fig. 3 institute
Show, described device includes tripod 1, two-way atmospheric sampling instrument 2, the first sand core funnel 3, the second sand core funnel 4, the first anti-suck
Device 5, the second suck-back device 6, pipettor and built-in deionized water or 0.06%Na2CO3The receiving flask of solution;It is described
Two-way atmospheric sampling instrument 2 is arranged on the tripod 1, and first sand core funnel 3, the second sand core funnel 4 are separately positioned on
On the side brandreth 7 of the left and right sides of the two-way atmospheric sampling instrument 2, one end of first suck-back device 5 and the first sand core
The larger diameter end of funnel 3 is connected by rubber connecting leg, and the pump orifice of the other end and two-way atmospheric sampling instrument 2 passes through rubber connecting leg
It is connected;Described second suck-back device, 6 one end is connected with the larger diameter end of the second sand core funnel 4 by rubber connecting leg, separately
One end is connected with the pump orifice of two-way atmospheric sampling instrument by rubber connecting leg.
After the entire aspiration procedure of two-way atmospheric sampling instrument terminates, after air pressure balance, simultaneously by aspirator suction
It is fitted into disposable collecting bottle, is sealed and (is sealed with adhesive tape or voltage indicating device).
In order to improve collection precision, the interference of the factors such as mean wind speed, wind direction, humidity is eliminated, and be to examine in setting
Consider in ocean chloride ion as entrained by sea wind, as a preferred embodiment of the present embodiment, be arranged tripod liftoff 1.2~
2m。
Precision is collected for the purposes of improving, the suction flow of two-way atmospheric sampling instrument is 0.8~1.2L/ in the present embodiment
min;And it takes and carries out continual 2 at times~aspirate for 24 hours.
The collection and detection method of the portable coastal building surface chloride ion of the present embodiment, include the following steps:
1, it collects and prepares:
1) selection and preparation of collection liquid
The Na of preparation 0.06%2CO3Solution or deionized water, and by the solution bottle of collection liquid cleaning, (solution bottle is needed
Clean, no chloride ion or low chlorine ion content) sealing of blend compounds band is dispensed to get the receiving flask arrived for accommodating acquisition sample.
2) preparation of instrument and consumptive material
The collection device of portable coastal building surface chloride ion above-mentioned, wherein two-way atmospheric sampling instrument uses TQ-
1000 two-way atmospheric sampling instrument, pipettor is using disposable pipette (or disposable graduated cylinder needle tubing);Also need prepare sealant tape,
Several vacuum bags.
2, it transports and saves:
It by all appts and prepares solution and is put into vacuum bag, prevent in transportational process chloride ion contamination in instrument.
3, measurement process:
1) collection of blank sample
It selects in 0.06% Na for collecting a 10ml with a distance from extra large 1000m or more2CO3Solution or 10ml deionization
Water carries out sealed storage as blank sample.
2) collection and sealing of sample are tested
By tripod set in liftoff 1.5m eminence, atmosphere collection is carried out using the collection device of the present embodiment.
Attachment device and glass apparatus will be washed with the solution of configuration when every sub-sampling, liquid is taken to be moved with disposable every time
Liquid pipe and ear washing bulb are used cooperatively;
Disposably two Duplicate Samples, each sample solution (deionized water or 0.06%Na are collected with receiving flask2CO3It is molten
Liquid) amount is 5ml, when collection, select the suction flow of two-way atmospheric sampling instrument for 1L/min, selects when taking whole day value uninterrupted for 24 hours
Work, if measurement at times (early, middle and late) value, be typically chosen morning (6. -8 point), in (12. -14 point), evening (18. -20
Point) three periods, aspirate within continual 2 hours;
After equally cooperate disposable pipette and ear washing bulb that experimental solutions are transferred to disposable dress liquid with a scale
Container (i.e. receiving flask), and be sealed against;
When if you need to continuously measure more day datas, instrument is washed 10 times with blank sample solution, to exclude as far as possible
Interference.
4. testing and analyzing:
Testing conditions:
Ion chromatography: ICS-2000, band KOH leacheate generating system
Analytical column: IonPac AG15+IonPac AS19
Cleaning solution gradient: 3mM, 0-12.5min:3-43mM, 12.5-32.5min
Wash flow velocity: 1.0mL/min
Detection mode: inhibition Conductivity detection
Two parallel concentration values: C can be obtained by ion chromatography1C2
Blank sample mean value are as follows: C0
5. concentration calculation formula:
C is detectable concentration sample, unit mg/L
C*For chlorine ion concentration in atmosphere, unit mg/m3
T is sampling time, unit min
V is sampling rate, unit min/L
6. the determination method of building surface chloride ion content:
Chlorine ion concentration according to coastline or apart from coastline certain distance, such as Fig. 4 can pass through CS, air=C*e-0.005d, CS, airFor building surface concentration, d is linear distance of the measurement point apart from building surface;It is converted, by air
Middle chlorine ion concentration is associated with building surface chlorine ion concentration, and realizes conversion.
In conclusion the utility model collects air by the impinger mode of small-sized drawing-in type, assembly pressure is flat
The principle of weighing apparatus recycles sample, is equipped with sealant tape and is sealed to solution;Greatly improve collection precision.In this base
On plinth, ion-chromatographic analyzer is taken to carry out the detection of chloride ion content to sealed sample, and by being connected with outer surface of building
System, through the air chloride ion with apart from available outer surface of building chlorine ion concentration.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims,
This has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily combined with each other.
Claims (6)
1. a kind of collection device of portable coastal building surface chloride ion, which is characterized in that described device include tripod,
Two-way atmospheric sampling instrument, the first sand core funnel, the second sand core funnel, the first suck-back device and the second suck-back device;It is described
Two-way atmospheric sampling instrument is arranged on the tripod, and first sand core funnel, the second sand core funnel are separately positioned on described
The left and right sides of two-way atmospheric sampling instrument, one end of first suck-back device and the larger diameter end of the first sand core funnel pass through rubber
Glue connection pipe is connected, and the other end is connected with the pump orifice of two-way atmospheric sampling instrument by rubber connecting leg;Second anti-suck
Device one end is connected with the larger diameter end of the second sand core funnel by rubber connecting leg, the pumping of the other end and two-way atmospheric sampling instrument
Suction inlet is connected by rubber connecting leg.
2. the collection device of portable coastal building surface chloride ion according to claim 1, which is characterized in that described
Tripod is liftoff 1.2~2m.
3. the collection device of portable coastal building surface chloride ion according to claim 1, which is characterized in that described
The suction flow of two-way atmospheric sampling instrument is 0.8~1.2L/min.
4. the collection device of portable coastal building surface chloride ion according to claim 1, which is characterized in that described
Two-way atmospheric sampling instrument carries out continual 2 at times~it aspirates for 24 hours.
5. the collection device of portable coastal building surface chloride ion according to claim 1, which is characterized in that described
Collection device further includes the pipettor of transfer acquisition sample, and accommodates the receiving flask of acquisition sample.
6. the collection device of portable coastal building surface chloride ion according to claim 5, which is characterized in that described
The Na that collection liquid built in receiving flask is 0.06%2CO3Solution or deionized water.
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CN201920174795.6U CN209570404U (en) | 2019-01-31 | 2019-01-31 | A kind of collection device of portable coastal building surface chloride ion |
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CN201920174795.6U CN209570404U (en) | 2019-01-31 | 2019-01-31 | A kind of collection device of portable coastal building surface chloride ion |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109682651A (en) * | 2019-01-31 | 2019-04-26 | 上海交通大学 | A kind of collection device and detection method of portable coastal building surface chloride ion |
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2019
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109682651A (en) * | 2019-01-31 | 2019-04-26 | 上海交通大学 | A kind of collection device and detection method of portable coastal building surface chloride ion |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20210131 |
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CF01 | Termination of patent right due to non-payment of annual fee |