CN107422102A - A kind of DGT shells that can be used for content of beary metal at detection soil different depth - Google Patents
A kind of DGT shells that can be used for content of beary metal at detection soil different depth Download PDFInfo
- Publication number
- CN107422102A CN107422102A CN201710817668.9A CN201710817668A CN107422102A CN 107422102 A CN107422102 A CN 107422102A CN 201710817668 A CN201710817668 A CN 201710817668A CN 107422102 A CN107422102 A CN 107422102A
- Authority
- CN
- China
- Prior art keywords
- dgt
- closure
- hole
- shells
- cuboid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 229960001866 silicon dioxide Drugs 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000499 gel Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 231100000783 metal toxicity Toxicity 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
Abstract
The invention provides a kind of DGT shells that can be used for content of beary metal at detection soil different depth, the deep gouge to cave inward is provided with including cuboid, in the middle part of cuboid upper surface, affiliated deep gouge inside circumference is provided with sealing plate, sealing plate surrounds first through hole, and deep gouge is separated into two parts by sealing plate；Cuboid front end is provided with inclined slope, cuboid rear end are provided with handle from the top down；DGT shells also include the closure corresponding with sealing plate, and closure is provided with the second through hole that the corresponding and size with first through hole is less than first through hole；Sealing plate upper end is provided with multiple grooves, and closure lower end is provided with multiple projections corresponding with groove.A kind of DGT shells for being used to detect the content of beary metal at soil different depth of the present invention, can facilitate and insert cuboid in soil；Graduation mark can insert cuboid at the different depth in soil according to being actually needed；It ensure that the sealing between closure and cuboid.
Description
Technical field
The invention belongs to DGT technical fields, can be used for heavy metal at detection soil different depth to contain more particularly, to one kind
The DGT shells of amount.
Background technology
After heavy metal ion enters soil, there is the metabolic activity that can effectively influence edaphon on a small quantity, turning into has
The effect toxic pollutant such as state metal, heavy metal is constantly put aside in bed body, as matrix accommodates " saturation " of heavy metal ion, is increased newly
Heavy metal ion will act on wetland microbiologic population in the form of available state, seriously suppress denitrification, although heavy metal full dose can
Using the important indicator as its poisonous effect, but correlation is not notable between full dose and its poisonous effect to biology, therefore
Scientific research personnel is exploring a kind of monitoring method that can effectively reflect heavy metal toxicity effect always, and a huge sum of money is assessed for substituting full dose
Belong to pollution risk；
The method of heavy metal in soil detection at present mainly has spectroscopic methodology, electrochemical method etc., and its detection method there are
Ion interference, need soil sampling, need the problems such as pre-treatment, equipment costliness；
The diffusion thin film technique (Diffusive Gradients in Thin-films, DGT) used at present can be with
More authentic and valid simulation soil dynamic reflects process, and performance model is estimated that the dynamics of soil dynamic process
Parameter, so as to preferably assess the importance of soil dynamic process.With the development of science and technology, DGT materials are not yet
The combination of disconnected improvement and renewal, such as use of liquid combination phase, thickness difference diffusion term and collecting terms so that traditional branch
Frame can not meet the needs of practical application.For example the DGT devices of the content of beary metal currently used for detecting different soils depth are deposited
Sealing it is not high, be difficult to insert soil, operation processed complex the problems such as.
The content of the invention
In view of this, the present invention is directed to propose a kind of can be used at detection soil different depth outside the DGT of content of beary metal
Shell, with the DGT devices for providing a kind of good airproof performance, being easily inserted in soil and operating simple processing.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of DGT shells that can be used for content of beary metal at detection soil different depth, including cuboid, cuboid upper end
Middle face is provided with the deep gouge to cave inward, and affiliated deep gouge inside circumference is provided with sealing plate, and sealing plate surrounds first through hole, sealing plate
Deep gouge is separated into two parts；
Cuboid front end is provided with inclined slope, cuboid rear end are provided with handle from the top down；
DGT shells also include the closure corresponding with sealing plate, and closure is provided with first through hole corresponding and chi
Very little the second through hole less than first through hole；
Sealing plate upper end is provided with multiple grooves, and closure lower end is provided with multiple projections corresponding with groove.
Further, the thickness of the closure is equal with the distance of the upper surface of sealing plate to cuboid upper surface.
Further, the closure is the closure that upper surface length direction is provided with graduation mark.
Further, second through hole is rectangular through-hole, and the inside circumference end face of the second through hole is from the top down
Inclined end face.
Further, the deep gouge is rectangle deep gouge；
First through hole is rectangular through-hole；
Closure is rectangular seal lid.
Further, the cuboid is PVC or PCR cuboids；
Sealing plate is PVC or PCR sealing plates；
Closure is PVC or PCR closures.
Further, the closure lower surface and surrounding are equipped with silicagel pad.
Further, the handle is rectangle handle.
It is of the present invention a kind of for detecting the content of beary metal at soil different depth relative to prior art
DGT shells have the advantage that：
A kind of DGT shells for being used to detect the content of beary metal at soil different depth of the present invention, by square
The front end of body sets slope, while sets handle in cuboid rear end, can facilitate and insert cuboid in soil；
It is deep that the closure of cuboid is provided with the difference that graduation mark can insert cuboid in soil according to being actually needed
Detected at degree；
Closure lower end and the setting of surrounding silicagel pad, and the slope of the second through hole internal end surface end face from top to bottom are set
It all ensure that the sealing between closure and cuboid；
The device simple processing, it is easy to operate in actual Soil K+adsorption, and good airproof performance, solve and utilize the inspection of DGT devices
In survey soil at different depth the problem of content of beary metal.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of for detecting outside the DGT of the content of beary metal at soil different depth described in the embodiment of the present invention
The structural representation of shell.
Description of reference numerals：
1- cuboids；2- deep gouges；3- sealing plates；4- first through hole；5- closures；The through holes of 6- second；7- grooves；8- is convex
Block；9- slopes；10- handles.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of DGT shells that can be used for content of beary metal at detection soil different depth, as shown in figure 1, including cuboid
1, the upper surface of cuboid 1 middle part is provided with the deep gouge 2 to cave inward, and the affiliated inside circumference of deep gouge 2 is provided with sealing plate 3, and sealing plate 3 encloses
Into first through hole 4, deep gouge 2 is separated into two parts by sealing plate 3；
The front end of cuboid 1 is provided with inclined slope 9, the rear end of cuboid 1 are provided with handle 10 from the top down；
DGT shells also include the closure 5 corresponding with sealing plate 3, and closure 5 is provided with corresponding with first through hole 4
And size is less than the second through hole 6 of first through hole 4；
The upper end of sealing plate 3 is provided with multiple grooves 7, and the lower end of closure 5 is provided with multiple projections 8 corresponding with groove 7.So that
Closure 5 is tightly combined with sealing plate 3, improves sealing.
The thickness of closure 5 is equal with the distance of upper surface to the upper surface of cuboid 1 of sealing plate 3.
Closure 5 is the closure that upper surface length direction is provided with graduation mark.Facilitate in tape deck insertion soil
Depth.
Second through hole 6 is rectangular through-hole, and the inside circumference end face of the second through hole 6 is inclined end face from the top down.
End face tilts from top to bottom, it is possible to increase sealing.
Deep gouge 2 is rectangle deep gouge；
First through hole 4 is rectangular through-hole；
Closure 5 is rectangular seal lid.
Cuboid 1 is PVC or PCR cuboids；
Sealing plate 3 is PVC or PCR sealing plates；
Closure 5 is PVC or PCR closures.
The lower surface of closure 5 and surrounding are equipped with silicagel pad.
Handle 10 is rectangle handle.
The specific workflow of this example is as follows：
DGT combination phases gel mould, diffusion phase gel mould and nitrocellulose filter are first laid in the bottom of deep gouge 2 successively, so
Closure 5 is covered on sealing plate 3 afterwards so that multiple projections 8 are just stuck in groove 7, and the second through hole 6 is pressed in reference to phase gel
On film, diffusion phase gel mould and nitrocellulose filter；The soil at different soil thickness is weighed, 2mm sieves is crossed respectively, is put into plastics
In container, it is 8cm to make soil thickness, and addition ultra-pure water causes water capacity to be measured to reach 60%, 48h is balanced after sealing, so
Addition ultra-pure water causes the water-holding capacity in soil to be measured to reach 100% again afterwards, balances 24h so that soil is in grume and table
Face is smooth；The nitric acid appeared at the second through hole 6 of closure 5 is gently applied to the soil to be measured at a small amount of different soil thickness
Cellulose membrane outer surface, with hand gently twisting handle 10, the present apparatus is pressed into the surface of soil by slope 9, it is ensured that the present apparatus
Good, immediate record time and environment temperature with soil contact；After placing 24h, the present apparatus is taken out rapidly, by different soil thickness
The soil combination phase gel mould at place is placed in 1.5mL centrifuge tubes, adds 1mL1mol L-1HNO3, it is ensured that with reference to mutually completely by HNO3
Submerge, diluted after placement 24h to be measured.In situ detection can also be carried out to soil.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
- A kind of 1. DGT shells that can be used for content of beary metal at detection soil different depth, it is characterised in that：Including cuboid (1) deep gouge (2) to cave inward, is provided with the middle part of cuboid (1) upper surface, affiliated deep gouge (2) inside circumference is provided with sealing Plate (3), the sealing plate (3) surround first through hole (4), and deep gouge (2) is separated into two parts by the sealing plate (3)；Cuboid (1) front end is provided with inclined slope (9), cuboid (1) rear end are provided with handle (10) from the top down；The DGT shells also include the closure (5) corresponding with the sealing plate (3), and the closure (5) is provided with and institute State that first through hole (4) is corresponding and size is less than the second through hole (6) of the first through hole (4)；Sealing plate (3) upper end is provided with multiple grooves (7), and closure (5) lower end is provided with multiple with the groove (7) phase Corresponding projection (8).
- 2. a kind of DGT shells that can be used for content of beary metal at detection soil different depth according to claim 1, it is special Sign is：The thickness of the closure (5) and the distance of the upper surface of the sealing plate (3) to the cuboid (1) upper surface It is equal.
- 3. a kind of DGT shells that can be used for content of beary metal at detection soil different depth according to claim 1, it is special Sign is：The closure (5) is the closure that upper surface length direction is provided with graduation mark.
- 4. a kind of DGT shells that can be used for content of beary metal at detection soil different depth according to claim 1, it is special Sign is：Second through hole (6) is rectangular through-hole, and the inside circumference end face of second through hole (6) is from the top down Inclined end face.
- 5. a kind of DGT shells that can be used for content of beary metal at detection soil different depth according to claim 1, it is special Sign is：The deep gouge (2) is rectangle deep gouge；The first through hole (4) is rectangular through-hole；The closure (5) is rectangular seal lid.
- 6. a kind of DGT shells that can be used for content of beary metal at detection soil different depth according to claim 1, it is special Sign is：The cuboid (1) is PVC or PCR cuboids；The sealing plate (3) is PVC or PCR sealing plates；The closure (5) is PVC or PCR closures.
- 7. a kind of DGT shells that can be used for content of beary metal at detection soil different depth according to claim 1, it is special Sign is：Closure (5) lower surface and surrounding are equipped with silicagel pad.
- 8. a kind of DGT shells that can be used for content of beary metal at detection soil different depth according to claim 1, it is special Sign is：The handle (10) is rectangle handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817668.9A CN107422102A (en) | 2017-09-12 | 2017-09-12 | A kind of DGT shells that can be used for content of beary metal at detection soil different depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817668.9A CN107422102A (en) | 2017-09-12 | 2017-09-12 | A kind of DGT shells that can be used for content of beary metal at detection soil different depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107422102A true CN107422102A (en) | 2017-12-01 |
Family
ID=60432877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710817668.9A Pending CN107422102A (en) | 2017-09-12 | 2017-09-12 | A kind of DGT shells that can be used for content of beary metal at detection soil different depth |
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| Country | Link |
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| CN (1) | CN107422102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459121A (en) * | 2018-02-12 | 2018-08-28 | 南京维申环保科技有限公司 | A kind of micropore diffusion film apparatus and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067376A (en) * | 2015-07-21 | 2015-11-18 | 仲恺农业工程学院 | Rapid soil collection apparatus |
| CN204924709U (en) * | 2015-09-01 | 2015-12-30 | 刘涛 | Soil layering sampling device |
| CN205665036U (en) * | 2016-05-31 | 2016-10-26 | 重庆市林业科学研究院 | Soil sampling ware of depthkeeping degree sample |
| CN205679503U (en) * | 2016-06-02 | 2016-11-09 | 南京智感环境科技有限公司 | A kind of deformation type diffusive gradients in thin-films device |
| CN207164047U (en) * | 2017-09-12 | 2018-03-30 | 天津天润益康环保科技有限公司 | A kind of DGT shells that can be used for content of beary metal at detection soil different depth |
-
2017
- 2017-09-12 CN CN201710817668.9A patent/CN107422102A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067376A (en) * | 2015-07-21 | 2015-11-18 | 仲恺农业工程学院 | Rapid soil collection apparatus |
| CN204924709U (en) * | 2015-09-01 | 2015-12-30 | 刘涛 | Soil layering sampling device |
| CN205665036U (en) * | 2016-05-31 | 2016-10-26 | 重庆市林业科学研究院 | Soil sampling ware of depthkeeping degree sample |
| CN205679503U (en) * | 2016-06-02 | 2016-11-09 | 南京智感环境科技有限公司 | A kind of deformation type diffusive gradients in thin-films device |
| CN207164047U (en) * | 2017-09-12 | 2018-03-30 | 天津天润益康环保科技有限公司 | A kind of DGT shells that can be used for content of beary metal at detection soil different depth |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459121A (en) * | 2018-02-12 | 2018-08-28 | 南京维申环保科技有限公司 | A kind of micropore diffusion film apparatus and application thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |