CN104048855A - Rainfall isotope sample collection measurer - Google Patents
Rainfall isotope sample collection measurer Download PDFInfo
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- CN104048855A CN104048855A CN201410285840.7A CN201410285840A CN104048855A CN 104048855 A CN104048855 A CN 104048855A CN 201410285840 A CN201410285840 A CN 201410285840A CN 104048855 A CN104048855 A CN 104048855A
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Abstract
The invention discloses a rainfall isotope sample collection measurer which comprises a V-shaped funnel (5), wherein the V-shaped funnel (5) is communicated with a collection barrel (8) through a hose (6) and a U-shaped elbow (7); the U-shaped elbow (7) is fixed at an opening of the collection barrel (8) through a sealing rubber plug (2); the collection barrel (8) is fixed on a fixing frame (3) through an annular rubber ring (4); the fixing frame (3) is connected to a shell (15); the sealing rubber plug (2) is provided with a capillary (1); a movable sealing cover (18) is arranged at a pipe opening in the top end of the capillary (1); a valve (9) and a sample outlet (10) are arranged at the bottom of the collection barrel (8); metering scales are engraved on the collection barrel (8); an openable door (16) is arranged on the shell (15). The collection measurer can ensure that isotopes do not generate fractionation during outdoor water sample collection, so that reliable isotope data can be acquired.
Description
Technical field
The present invention relates to precipitation and gather measuring instrument, specifically a kind of instrument that utilizes former state water seal to deposit into row precipitation isotope sample collection and measurement.
Technical background
Isotope technology can be the research of River Basin Hydrology rule, the identification of hydrological model structure and parameter etc. details is provided, and can effectively avoid the problem of dtmf distortion DTMF to natural situation simulation, obtains real hydrology rule.Formation, flow path, age, supply elevation, source and composition ratio etc. that isotope technology can be Study of The Underground water provide direct information, for the understanding recharge of ground water and renewal Changing Pattern provide important evidence.In the quantitative and qualitative analysis research of each link of water circulation, the research of many hydrology problems such as isotope is applied to distinguishing that Regional Precipitation moisture source, precipitation discharge curve are cut apart, surface water and groundwater conversion, footpath flow path discriminating, residence time and Hydrology feature.And can be applied to the aspect researchs such as impact on hydrologic process such as paleoclimate research, leakage of dam foundation, plant water use efficiency variance and change in time and space and precipitation/snow, ice-melt, evaporation, arid, elevation, landform.Isotope technology has played unique effect in addressing the above problem.
Isotopic mensuration precision is had relatively high expectations to the sampling work of sample, and sampleman is done success or not and determined to a certain extent isotopic mensuration precision.Most of isotope fractionations are in water sampling, transportation, preservation process, via evaporation or diffusion, cause, wherein sampling work is major influence factors.Isotope sample sampling key is promptness and the sealing problem of sample, and especially, concerning precipitation, sampling work is just more difficult.Sampling job requirement gathers in the shortest time after precipitation, if long-time sudden and violent leakage of sample is subject to Influence of Evaporation, will have a strong impact on the isotopic composition of water sample, and this sample just can not be tested for isotope in this case.Therefore be badly in need of providing a kind of precipitation isotope sample collecting apparatus of science.
Summary of the invention
The present invention is directed to the problems such as isotope assay precision is high to sampling job requirement, precipitation sampling difficulty, a kind of precipitation isotope sample collecting apparatus is provided, when this device should be guaranteed water sampling in the wild, isotopic composition does not produce fractionation, thereby obtains reliable isotopic data.
A kind of precipitation isotope sample collection measuring instrument provided by the invention, comprise V-arrangement funnel, V-arrangement funnel is communicated with gathering barrel by flexible pipe, U-bend, U-bend is fixed on the mouth of gathering barrel with sealed rubber plug, gathering barrel is fixed on fixed mount with annular rubber band, fixed mount is connected on shell, and sealed rubber plug is provided with kapillary, and the kapillary top mouth of pipe arranges movable sealing lid; The bottom of gathering barrel is provided with valve and outlet; On gathering barrel, be carved with metering scale; Shell is provided with door that can switch.
The bottom of described shell can arrange three fixing feet, makes to gather measuring instrument installation and places more stable.
Described shell and door are flexibly connected by the first loose-leaf and the second loose-leaf; On described door, snap close is set.
Described cover top portion can be installed filter screen.
Precipitation isotope sample collection measuring instrument of the present invention, can move automatically according to design and technical requirement, gathers precipitation isotope analysis sample.Precipitation sample utilizes water seal to be sealed in and gathers in measuring instrument, can avoid sample affected by evaporation, distillation, recrystallization, thawing etc. and change initial isotopics, and sampling precision is high, and has promptness, rapidity and convenience.This measuring instrument also can be used as quantity of precipitation automatic measuring unit and records in time quantity of precipitation etc.
Accompanying drawing explanation
Fig. 1 is inner structure of the present invention and principle schematic
Fig. 2 is external structure schematic diagram of the present invention
Fig. 3 is top of the present invention filter screen schematic diagram
In figure: 1-kapillary; 2-sealed rubber plug; 3-fixed mount; 4-annular rubber band; 5-V shape funnel; 6-flexible pipe; 7-U shape bend pipe; 8-gathering barrel; 9-valve; 10-outlet; 11-the first loose-leaf; 12-snap close; 13-the second loose-leaf; 14-fixing feet; 15-shell; Door-16; Filter screen-17; Movable sealing lid-18.
Embodiment
A kind of precipitation isotope sample collection measuring instrument as Figure 1-3, comprise V-arrangement funnel 5, V-arrangement funnel 5 is communicated with gathering barrel 8 by flexible pipe 6, U-bend 7, U-bend 7 use sealed rubber plugs 2 are fixed on the mouth of gathering barrel 8, the annular rubber band 4 of gathering barrel 8 use is fixed on fixed mount 3, fixed mount 3 is connected on shell 15, and sealed rubber plug 2 is provided with kapillary 1, and the kapillary 1 top mouth of pipe arranges movable sealing lid 18; The bottom of gathering barrel 8 is provided with valve 9 and outlet 10; On gathering barrel 8, be carved with metering scale; Shell 15 is provided with door 16 that can switch.The bottom of shell 15 is provided with three fixing feet 14.Shell 15 and door 16 are flexibly connected by the first loose-leaf 11 and the second loose-leaf 13; On door 16, snap close 12 is set.At collection measuring instrument top, filter screen 17 is installed, in order to prevent that the objects such as leaf from falling into funnel impact and collecting precipitation.
Described U-bend 7 is a U-shaped glass component, and it can carry out water shut off treatment to sample, and precipitation will seal gathered water sample at U-bend place.
Described kapillary 1, V-arrangement funnel 5 and gathering barrel 8 are glass component or plastic member.
The kapillary 1 that sealed rubber plug 2 is provided with, it can guarantee the unimpeded of conduit precipitation current, the movable sealing lid 18 that kapillary 1 outlet arranges can, according to the automatic opening and closing of fault of gathering barrel 8 inner and outer air pressure pressure reduction, be conducive to automatically gather in time precipitation sealing in time.
Gather all junctions of measuring instrument and be tightly connected (as adopted rubber plug etc.).Gathering barrel 8 wherein can, with aluminium foil or polystyrene foam parcel, can be avoided along the evaporation of bucket wall like this.
Gather measuring instrument in use, by the fixing feet outside shell, whole device is fixed on to the spaciousness place away from buildings and trees.Sampler around basis is firm, and whole device is fixed on supporting surface, makes the opening of sampler in level, from the height of supporting surface, should be greater than 1m, and when avoiding quantity of precipitation large, muddy water is splashed in sampling thief screen pack.
In device upper end, filter screen 17 is installed, precipitation, by filter screen, through V-arrangement funnel 5, enters U-bend 7.At sampler U-bend place, to retain precipitation and form water seal (water surface seals up bent tube section).When U-bend 7 places are full of water, water sample continues overflow, utilizes the pressure reduction in conduit, makes the water of water-sealing part start to enter gathering barrel 8, and in this case, sampling work starts automatically, and gathering barrel starts to collect precipitation sample.The pattern that gathers all sealings of measuring instrument with encapsulant and be designed to stop moisture evaporation and spread, to avoid evaporation and diffusion loss, thereby reaches the object that improves sampling precision.
After precipitation stops, immediately sample in sampler being sealed up for safekeeping.Seal process should be rapid in time, avoids sample to contact with air, in order to avoid evaporation produces fractionation.Gathering barrel also can carry out the mensuration of quantity of precipitation.
Gather measuring instrument and answer periodic maintenance, comprise and clean water seal conduit, gathering barrel and screen pack.During cleaning, first take off screen pack, gathering barrel and water seal conduit, after with high purity water, water seal conduit gathering barrel and screen pack being cleaned, put back in device, connect conduit, guarantee the sealing of pipeline.
Claims (3)
1. a precipitation isotope sample collection measuring instrument, it is characterized in that, comprise V-arrangement funnel (5), V-arrangement funnel (5) is communicated with gathering barrel (8) by flexible pipe (6), U-bend (7), U-bend (7) is fixed on the mouth of gathering barrel (8) with sealed rubber plug (2), gathering barrel (8) is fixed on fixed mount (3) with annular rubber band (4), fixed mount (3) is connected on shell (15), sealed rubber plug (2) is provided with kapillary (1), and kapillary (1) the top mouth of pipe arranges movable sealing lid (18); The bottom of gathering barrel (8) is provided with valve (9) and outlet (10); Gathering barrel is carved with metering scale on (8); Shell (15) is provided with door (16).
2. a kind of precipitation isotope sample collection measuring instrument as claimed in claim 1, is characterized in that, the bottom of described shell (16) arranges three fixing feet (14).
3. a kind of precipitation isotope sample collection measuring instrument as claimed in claim 1, is characterized in that, described cover top portion is installed filter screen (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285840.7A CN104048855A (en) | 2014-06-24 | 2014-06-24 | Rainfall isotope sample collection measurer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410285840.7A CN104048855A (en) | 2014-06-24 | 2014-06-24 | Rainfall isotope sample collection measurer |
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| CN104048855A true CN104048855A (en) | 2014-09-17 |
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| CN201410285840.7A Pending CN104048855A (en) | 2014-06-24 | 2014-06-24 | Rainfall isotope sample collection measurer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502155A (en) * | 2014-12-31 | 2015-04-08 | 北京市水文地质工程地质大队 | Sealing sampling device for collecting rainwater |
| CN105910673A (en) * | 2016-05-02 | 2016-08-31 | 张洪美 | Integrated solution preparing and measuring glass device |
| CN105938060A (en) * | 2016-04-02 | 2016-09-14 | 西北农林科技大学 | Novel falling rain isotope sampling device |
| CN105953862A (en) * | 2016-05-02 | 2016-09-21 | 张洪美 | Integrated glass device for solution preparation and measurement |
| CN108187383A (en) * | 2018-03-06 | 2018-06-22 | 宁夏大学 | With the real-time filter wash formula filter for drawing filtrate detection function |
| CN108572092A (en) * | 2017-03-07 | 2018-09-25 | 中国科学院寒区旱区环境与工程研究所 | A kind of high altitude glacier zone of ablation precipitation collection device |
| CN109459279A (en) * | 2018-11-26 | 2019-03-12 | 核工业北京地质研究院 | A kind of precipitation automatic collecting device for arid-desert areas |
| CN112755620A (en) * | 2020-10-27 | 2021-05-07 | 湖北省银丰鼎诚生物工程有限公司 | Filtering and collecting device |
| CN115824724A (en) * | 2022-12-08 | 2023-03-21 | 中国地质科学院 | Novel preparation of radium isotope test sample device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104502155B (en) * | 2014-12-31 | 2017-07-18 | 北京市水文地质工程地质大队 | A kind of sealing sampling apparatus for being used to collect rainfall |
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| CN105938060A (en) * | 2016-04-02 | 2016-09-14 | 西北农林科技大学 | Novel falling rain isotope sampling device |
| CN105938060B (en) * | 2016-04-02 | 2023-08-22 | 长安大学 | Novel precipitation isotope sampling device |
| CN105910673B (en) * | 2016-05-02 | 2019-01-29 | 江苏馨安门窗有限公司 | A kind of integral type solution preparation measurement glass device |
| CN105910673A (en) * | 2016-05-02 | 2016-08-31 | 张洪美 | Integrated solution preparing and measuring glass device |
| CN105953862A (en) * | 2016-05-02 | 2016-09-21 | 张洪美 | Integrated glass device for solution preparation and measurement |
| CN105953862B (en) * | 2016-05-02 | 2018-11-16 | 曹红兵 | A kind of integral type solution preparation measurement glass device |
| CN108572092A (en) * | 2017-03-07 | 2018-09-25 | 中国科学院寒区旱区环境与工程研究所 | A kind of high altitude glacier zone of ablation precipitation collection device |
| CN108572092B (en) * | 2017-03-07 | 2023-08-01 | 中国科学院西北生态环境资源研究院 | Precipitation collection device for extremely high altitude glacier ablation area |
| CN108187383A (en) * | 2018-03-06 | 2018-06-22 | 宁夏大学 | With the real-time filter wash formula filter for drawing filtrate detection function |
| CN108187383B (en) * | 2018-03-06 | 2024-04-16 | 宁夏大学 | Washing filter with function of detecting filtrate in real time |
| CN109459279A (en) * | 2018-11-26 | 2019-03-12 | 核工业北京地质研究院 | A kind of precipitation automatic collecting device for arid-desert areas |
| CN112755620A (en) * | 2020-10-27 | 2021-05-07 | 湖北省银丰鼎诚生物工程有限公司 | Filtering and collecting device |
| CN115824724A (en) * | 2022-12-08 | 2023-03-21 | 中国地质科学院 | Novel preparation of radium isotope test sample device |
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Application publication date: 20140917 |