CN206557168U - One kind test volatile volatilization chamber device of agricultural chemicals - Google Patents
One kind test volatile volatilization chamber device of agricultural chemicals Download PDFInfo
- Publication number
- CN206557168U CN206557168U CN201720259779.8U CN201720259779U CN206557168U CN 206557168 U CN206557168 U CN 206557168U CN 201720259779 U CN201720259779 U CN 201720259779U CN 206557168 U CN206557168 U CN 206557168U
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- Prior art keywords
- volatilization
- agricultural chemicals
- sealing ring
- volatilization chamber
- chamber device
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Abstract
The utility model discloses a kind of test volatile volatilization chamber device of agricultural chemicals, including volatilization chamber body, top cover and sealing ring, the side of volatilization chamber body is provided with an air inlet and a gas outlet, and volatilization room inside cavity is provided with volatilization disk, and sealing ring is positioned at the outer of volatilization chamber body and top cover touching position.The utility model device is simple and easy to do, with good seal, prevents the escape of agricultural chemicals, it is ensured that the reliability of experimental result, workable, simple and practical.
Description
Technical field
The utility model is related to a kind of test volatile volatilization chamber device of agricultural chemicals, it is adaptable to test agricultural chemicals soil, water,
Volatility in the surrounding mediums such as the surface of solids, belongs to field of test instrument.
Background technology
The volatility of agricultural chemicals, refer to agricultural chemicals from plant surface, the water surface and soil surface by volatilization escape into air in show
As.The volatilization of agricultural chemicals can occur agricultural chemicals production, store and transport, use and use after each stage among, it not only can
The loss of agricultural chemicals is caused, the pollution of surrounding environment is also resulted in.Meanwhile, the volatile size of agricultural chemicals influences whether agricultural chemicals in soil
Withholding in earth and its situation about reallocating in the environment.
For volatility of the evaluating chemical agricultural chemicals in different medium, while registration for agricultural chemicals and using providing environmentology money
Material, experimental rig should meet the volatility the different mediums such as air, water body and soil suitable for agricultural chemicals.Agricultural chemicals is added
After into different medium, the agricultural chemicals evaporated is absorbed with absorbing liquid, by determining absorbing liquid and medium Pesticides content, is calculated
Go out the volatility of agricultural chemicals.For the requirement of device, to meet the relevant pesticide test criterion calls of country, the experiment rate of recovery will reach
Between 70%~110%.
Utility model content
Utility model purpose:Technical problem to be solved in the utility model is that there is provided one in view of the shortcomings of the prior art
Plant the volatile volatilization chamber device of test agricultural chemicals with good seal.
In order to solve the above-mentioned technical problem, the volatile volatilization chamber device of agricultural chemicals is tested the utility model discloses one kind,
Including volatilization chamber body, top cover and sealing ring;The side of volatilization chamber body is provided with an air inlet and a gas outlet, and volatilize chamber body
Inside is provided with volatilization disk;Sealing ring is located at the outer of volatilization chamber body and top cover touching position, and sealing ring can be by chamber of volatilizing
Body and top cover are fixed and closed.
Wherein, air inlet is located at the volatilization chamber body left and right sides with gas outlet respectively, and air inlet is in volatilization chamber body side surface
Middle part position on the lower side, gas outlet position on the upper side in the middle part of volatilization chamber body side surface.
Wherein, the outer bead of volatilization room cavity top end is provided with a sealing ring bayonet socket, and surface is frosted structure.
Wherein, bead is provided with sealing ring cover mouthful outside top cover bottom, and the top of top cover is provided with handle.
Wherein, sealing ring cover mouthful is adapted to sealing ring bayonet shape, and surface is frosted structure.
Wherein, the shape adaptation after sealing ring is combined with sealing ring cover mouthful and sealing ring bayonet socket, sealing ring and sealing ring card
Mouth and sealing ring cover mouthful formation enclosed construction.
Wherein, sealing ring is provided with fastener, for adjusting the elastic of sealing ring.
Wherein, volatilization disk be may move, and agricultural chemicals test medium is placed wherein, can be moved as needed before and after experiment.
Wherein, volatilization chamber body is one kind in glass, ceramics or metal material;Top cover is glass, ceramics or metal material
One kind in matter.
Wherein, sealing ring is ductile material.
Beneficial effect:The present apparatus is by setting sealing bayonet socket, sealing ring cover mouthful and sealing ring, with good seal,
Prevent the escape of agricultural chemicals, it is ensured that the reliability of experimental result, it is workable, it is simple and practical.
Brief description of the drawings
The utility model is done with reference to the accompanying drawings and detailed description and further illustrated, the utility model
Above-mentioned and/or otherwise advantage will become apparent.
Fig. 1 is structural representation of the present utility model.
Embodiment
Such as Fig. 1, the device includes volatilization chamber body 1, top cover 2 and sealing ring 3, wherein the upper end of volatilization chamber body 1 is provided with close
Seal bayonet socket 6, sideways provided with air inlet 5 and gas outlet 4, the position on the lower side in the middle part of side of air inlet 5, gas outlet 4 is that middle part is inclined
Upper position;There is volatilization disk 7 inside volatilization chamber body 1, volatilization disk 7 is removable, and volatilization chamber can be positioned over according to requirement of experiment
In body 1;Sealing ring 3 is provided with fastener 10, for adjusting the elastic of sealing ring 3.
Top cover 2 is containing sealing ring cover mouthful 9 and handle 8, wherein sealing ring cover mouthful 9 matches with sealing ring bayonet socket 6;Handle 8
Effect be to facilitate taking for top cover 2.
The size of sealing ring 3 is slightly larger than sealing ring bayonet socket 9 and sealing ring bayonet socket 6, with sealing ring bayonet socket 6 and sealing ring cover mouthful
Shape adaptation after 9 combinations, forms enclosed construction.
When in use, when top cover 2 is positioned on volatilization chamber body 1, sealing ring bayonet socket 9 with sealing ring bayonet socket 6 in correspondence with each other,
Then by the fixing seal ring cover mouthful 9 of sealing ring 3 and sealing ring bayonet socket 6, the fixed seal ring bayonet socket 9 of fastener 10 and sealing are used
Circle bayonet socket 6 is simultaneously sealed.By air inlet 5 and gas outlet 4 respectively at agricultural chemicals volatilization test device gas circuit connection, you can finishing device
Use.
It is below the specific steps of test agricultural chemicals volatilization:
A) preparation of standard liquid
Standard sample of pesticide accurately is weighed in 100ml volumetric flasks, scale is diluted to suitable solvent, obtains pesticide standard storage
Standby liquid is standby.Pesticide standard working solution is diluted by above-mentioned standard solution to be made.
B) volatilization experiment
1. volatilization of the agricultural chemicals in glass surface (air)
A certain amount of pesticide standard solution is accurately drawn in volatilization disk, after after solvent volatilization to the greatest extent, volatilization disk is put into and waved
Send out in room, sealing volatilization room connects air filtering system, volatilization room, absorption system pipeline.Start empty true at ambient temperature
Empty pump, room of volatilizing is passed through with 500ml/min gas flow rate.Absorbed by the gas behind room of volatilizing through multistage absorption pipe, every
Contain a certain amount of absorbing liquid in absorption tube, test duration 24h determines absorbing liquid and culture dish Pesticides respectively after off-test
Content.
2. volatilization of the agricultural chemicals in water
The certain density agricultural chemicals aqueous solution is prepared in volatilization disk, volatilization disk is put into volatilization room.Ibid 1. operate, 24
After hour, absorbing liquid and culture dish Pesticides content are determined respectively.
3. volatilization of the agricultural chemicals in soil surface
20g soil is claimed to be laid in volatilization disk, plus a certain amount of pesticide standard solution, after solvent volatilization is most, uniform drop
Plus pure water about 10ml.Ibid 1. operate, determine absorbing liquid and Pesticide Residue in Soil content after 24 hours respectively.
C) extracting method of sample
1. soil extract:By suitable soil extract method, pedotheque is extracted, purified, is concentrated, quantitative filtering
Afterwards, Instrument measuring is treated.
2. water sample is extracted:The agricultural chemicals aqueous solution through volatilization experiment is poured into separatory funnel, extracted with suitable extractant
Take, after concentration, constant volume, filtering, treat Instrument measuring.
3. absorbing liquid is handled:Merge the absorbing liquid in two grades of absorption tubes, concentration, constant volume treats Instrument measuring.
D) evaluation of pesticides
The measure of agricultural chemicals can select the Instrument measuring that gas-chromatography, liquid chromatogram etc. are adapted to the agricultural chemicals.
E) interpretation of result
Table 1 gives the volatilization experimental result of formamido group Sulfometuron Methyl.The experiment rate of recovery illustrates that the present apparatus can improve agriculture
The rate of recovery of medicine volatility test, meets the requirements for determining agricultural chemicals volatile performance.
Volatilization result of the test of the formamido group Sulfometuron Methyl of table 1 in different medium
The utility model provides a kind of thinking and method for testing the volatile volatilization chamber device of agricultural chemicals, implements this
The method and approach of technical scheme are a lot, and described above is only preferred embodiment of the present utility model, it is noted that for this
For the those of ordinary skill of technical field, on the premise of the utility model principle is not departed from, some improvement can also be made
And retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.Each composition portion being not known in the present embodiment
Divide and can use prior art to be realized.
Claims (10)
1. one kind test volatile volatilization chamber device of agricultural chemicals, it is characterised in that including volatilization chamber body (1), top cover (2) and close
Seal (3);The side of the volatilization chamber body (1) is provided with an air inlet (5) and a gas outlet (4), and volatilization chamber body (1) is internal
Provided with volatilization disk (7);The sealing ring (3) is located at the outer of volatilization chamber body (1) and top cover (2) touching position.
2. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 1, it is characterised in that the air inlet
(5) it is located at volatilization chamber body (1) left and right sides respectively with gas outlet (4), air inlet (5) is at volatilization chamber body (1) side middle part
Position on the lower side, gas outlet (4) are in volatilization chamber body (1) side middle part position on the upper side.
3. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 2, it is characterised in that the volatilization room
Bead is provided with a sealing ring bayonet socket (6) outside cavity (1) top.
4. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 3, it is characterised in that the top cover
(2) bead is provided with sealing ring cover mouthful (9) outside bottom, and the top of top cover (2) is provided with handle (8).
5. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 4, it is characterised in that the sealing ring
Lid mouth (9) and sealing ring bayonet socket (6) shape adaptation.
6. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 5, it is characterised in that the sealing ring
(3) shape adaptation after being combined with sealing ring cover mouthful (9) and sealing ring bayonet socket (6), sealing ring (3) and sealing ring bayonet socket (6) and
Seal ring cover mouthful (9) and form enclosed construction.
7. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 6, it is characterised in that the sealing ring
(3) it is provided with fastener (10).
8. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 7, it is characterised in that the volatilization disk
(7) it may move.
9. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 8, it is characterised in that the volatilization room
Cavity (1) is one kind in glass, ceramics or metal material;Top cover (2) is one kind in glass, ceramics or metal material.
10. a kind of test volatile volatilization chamber device of agricultural chemicals according to claim 9, it is characterised in that the sealing
It is ductile material to enclose (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720259779.8U CN206557168U (en) | 2017-03-16 | 2017-03-16 | One kind test volatile volatilization chamber device of agricultural chemicals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720259779.8U CN206557168U (en) | 2017-03-16 | 2017-03-16 | One kind test volatile volatilization chamber device of agricultural chemicals |
Publications (1)
Publication Number | Publication Date |
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CN206557168U true CN206557168U (en) | 2017-10-13 |
Family
ID=60365536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720259779.8U Expired - Fee Related CN206557168U (en) | 2017-03-16 | 2017-03-16 | One kind test volatile volatilization chamber device of agricultural chemicals |
Country Status (1)
Country | Link |
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CN (1) | CN206557168U (en) |
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2017
- 2017-03-16 CN CN201720259779.8U patent/CN206557168U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20200316 |