CN105651556A - Vacuum collection device for water sample in groundwater seepage model - Google Patents
Vacuum collection device for water sample in groundwater seepage model Download PDFInfo
- Publication number
- CN105651556A CN105651556A CN201610222628.5A CN201610222628A CN105651556A CN 105651556 A CN105651556 A CN 105651556A CN 201610222628 A CN201610222628 A CN 201610222628A CN 105651556 A CN105651556 A CN 105651556A
- Authority
- CN
- China
- Prior art keywords
- water
- vacuum
- water sample
- needle
- monitoring well
- 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.)
- Granted
Links
Classifications
-
- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
Abstract
The invention discloses a vacuum collection device for a water sample in a groundwater seepage model. The device comprises a simulated monitoring well, a sampling needle and a vacuum sampling pipe, wherein the simulated monitoring well and the sampling needle are hermitically connected to a simulated water separation layer of the seepage model. When the vacuum collection device is specifically used, a sealing plug of a vacuum sampling pipe cover is pressed on a bottle plug puncture needle to generate negative pressure in the vacuum sampling pipe; under the action of the negative pressure, the water sample is sucked into the vacuum sampling pipe through a water sample collection pipe; and after the sample is obtained, the vacuum sampling pipe is unplugged, and the sealing plug is still closed, so that the water sample is sealed in the vacuum sampling pipe. The vacuum collection device for the water sample is simple in structure and convenient to operate, and has the advantages of few retained water samples and implementation of no solute volatilization and leakage under multiple collection times.
Description
Technical field
The present invention relates to subsoil water acquisition technique field, be specifically related in a kind of seepage action of ground water model the vacuum harvesting apparatus of water sample.
Background technology
Subsoil water, is be stored in the following formation void of aeration zone, including the water among blowhole, crack and solution cavity. Subsoil water be main on the earth, be distributed one of most commonly used water resource. The whole world people more than 1,500,000,000 relies primarily on subsoil water as drinking water. 2008, China's total supply 591,000,000,000 m3, wherein, underground water source output accounts for 18.3%. There is more than 400 city exploiting groundwater in China, and North China, the Northwest's urban utilization subsoil water ratio are respectively up to 72% and 66%, and subsoil water is often the unique resource of water supply in urban and rural area. Subsoil water is China's economy and social development and people's lives are necessary, irreplaceable valuable source.
Over nearly 20 years, plains region comparatively intensive at China's population, that mankind's activity interference is big, industrial and agricultural production is flourishing, discharge due to industrial wastewater and sanitary sewage, the use of large area, excess chemical fertilizer and pesticide, the reasons such as the leaching in soot and the seepage of buried tank, subsoil water just suffer from increasingly severe pollution. According to the investigation of 118 the big city phreatic waters in the whole nation, the city of 97.5% is subject to pollution in various degree, and wherein the city of 40% is heavily contaminated. 1,970,000 km at whole nation water resources survey2In region of no relief phreatic water, the area in I class and II class water quality district is only the 4.98% of total drainage area, and III class area is 35.53%, and IV, V class area is up to 59.49%. The basin underground water pollutions such as Taihu Lake, the Liaohe River, Haihe River, Huaihe River are the most serious, and the water quality district area being inferior to III class water quality accounts for the 91.49%, 84.55%, 76.40% and 67.78% of each corresponding drainage area. The water quality type hydropenia that underground water pollution causes has become the important restriction factor of national economy and social development.Therefore, the research of the aspect such as ground water protection means, method for governing pollution is problem currently urgently to be resolved hurrily.
Small underground water seepage flow physical model is can simulated groundwater move in water-bearing layer and the model of water quality differentiation of utilizing that water proof material and water-bearing media build, is Study of The Underground water water movement and one of solute transport and the pollution Main Means controlling method.
The concentration of solute is the important indicator characterizing its migration rule in a model. For obtaining solute concentration, often utilize the modes such as suction pipe, siphon, peristaltic pump first to be taken out from flow model in porous media by water sample, place into and the container specified preserves or detection. In sampling process, part water sample may be trapped in sampling line, upper once sample time mix with fresh sample, cause that fresh sample concentration is inaccurate. And for the water sample containing volatile solutes, existing water sampling technology sealing is poor, and the volatile leakage of solute causes that sample concentration is inaccurate.
Summary of the invention
It is an object of the invention to provide the vacuum harvesting apparatus of water sample in a kind of seepage action of ground water model, in order to solve the existing inaccurate problem of sampling concentration.
In order to solve above-mentioned technical problem, the present invention provides following technical scheme:
The vacuum harvesting apparatus of water sample in a kind of seepage action of ground water model, described device includes simulation monitoring well, sampling needle and vacuum sampling tube, and described simulation monitoring well and sampling needle are all sealedly attached on the simulation water barrier of flow model in porous media.
The simulation water barrier of the flow model in porous media that the present invention adopts is the common ingredient of flow model in porous media, is for simulating the water-stop sheet of the waterproof soil body or rock stratum in underground environment, while intercepting current, also functions to the effect sealed.
In above-mentioned seepage action of ground water model in the vacuum harvesting apparatus of water sample, described simulation monitoring well includes monitoring well casing and filter, described monitoring well casing pipe shaft has and vertically cracks, it is easy to current flowing, while simulation true monitoring well, also function to avoid interference the purpose of Analysis of Ground-water Seepage Field; Described filter tight is wrapped in the filter screen on monitoring well casing pipe shaft, and the scope being wound around is more than the scope cracked, and one end of monitoring well casing has link, for being connected with simulation water barrier; Described filter be prevented from the fine particle in water-bearing media or in water fine impurities blocking monitoring well casing pipe shaft on seepage flow gap. The water-bearing media filled in flow model in porous media can produce lateral pressure, and simulation monitoring well withstands lateral pressure, it is prevented that the water sampling Guan Yin being placed in one is subject to lateral pressure and damages. Simulation monitoring well is applied not only to the monitoring well that simulation is actual, simultaneously works as the effect of protection water sampling pipe.
Preferably, in above-mentioned seepage action of ground water model in the vacuum harvesting apparatus of water sample, the external diameter of described monitoring well casing is 8mm, internal diameter is 6mm; The described seam width vertically cracked is 1mm, grows for 20mm, described monitoring well casing pipe shaft and the long 5mm of link simulating water barrier.
In above-mentioned seepage action of ground water model in the vacuum harvesting apparatus of water sample, described sampling needle includes water sampling pipe, needle stand and bottle cork needle, and described water sampling pipe and bottle cork needle are installed on needle stand, and described needle stand is fixed on simulation water barrier. Water sampling pipe is placed in simulation and monitors the tubule of extract water quality sample in well, and bottle cork needle is for puncturing vacuum sampling tube caulking gum, being transported to by water sample in vacuum sampling tube.
In above-mentioned seepage action of ground water model in the vacuum harvesting apparatus of water sample, the pipe shaft of described water sampling pipe having aperture, aperture is 0.5mm, it is simple to current flow, to reach to reduce the purpose being detained water sample in water sampling pipe.
In above-mentioned seepage action of ground water model in the vacuum harvesting apparatus of water sample, described bottle cork needle outer wrap self sealss rubber sleeve, it is possible to achieve multi collect and do not reveal, thus avoid volatile solutes volatilization reveal. Bottle cork needle adopts thinner internal diameter, to reach to reduce the purpose being wherein detained water sample.
In above-mentioned seepage action of ground water model in the vacuum harvesting apparatus of water sample, described vacuum sampling tube includes test tube, lid and sealing-plug.
Preferably, the material of described sealing-plug is politef so that the solute ensured in water sample not with sealing-plug generation chemical reaction, described sealing-plug was wanted closely with coordinating between test tube, and the air-tightness of sealing-plug self is good.
The material of described test tube is glass, it is preferred to high quality silicon boron glass, pipe external diameter 13mm, internal diameter 11m, and selected teat glass needs to carry out pickling, alkali cleaning and inside and carries out silicidation so that it is have good chemical inertness.
Described lid is to be enclosed within the working of plastics outside sealing-plug, the opening punctured for sampling needle is left in the middle of lid, lid to guarantee the vacuum and the capping processes that are conducive to vacuum sampling tube, the water sample not making inside when being easy to either manually or mechanically be opened by test tube spills, and the bottleneck of contamination water sample and plug contacts can not be made to the hands of operator and unlatching equipment, more the teat glass mouth of pipe can not be staved.
Wherein, vacuum sampling tube is the source pressure of extract water quality sample, is also the preservation container of water sample. The sampling method of the present invention is very convenient, only need to be pressed on bottle cork needle by the sealing-plug of vacuum sampling tube lid. Owing to there is negative pressure in vacuum sampling tube, after bottle cork needle punctures its sealing-plug, under the effect of negative pressure, water sample is inhaled in sampling tube via water sampling pipe. After obtaining sample, pulling out vacuum sampling tube, sealing-plug is still in air-tight state, and water sample is just sealed up for safekeeping in vacuum sampling tube.
Preferably, described simulation water barrier above and below being offered circular hole A and circular hole B for installing sampling needle, simulation monitoring well respectively, circular hole A and circular hole B is mutually communicated and the center of circle coincides.
It is highly preferred that be 5mm for installing the circular hole aperture of sampling needle, it is 8mm for installing the circular hole aperture of simulation monitoring well.
The inventive method has the advantage that
This water sample vacuum harvesting apparatus simple in construction, be easy to operation, have delay water sample few, it is achieved multi collect and without solute volatilization reveal advantage.
Accompanying drawing explanation
Fig. 1 is vacuum harvesting apparatus working method schematic diagram of the present invention;
Fig. 2 is the structural representation that the present invention simulates monitoring well;
Fig. 3 is the structural representation of sampling needle of the present invention;
Fig. 4 is the structural representation of vacuum sampling tube of the present invention;
Fig. 5 is apparatus of the present invention scheme of installations;
In figure, 1-simulation monitoring well, 2-sampling needle, 3-vacuum sampling tube, 4-simulates water barrier, and 11-monitors well casing, 12-filter 13-vertically cracks, 14-link, 21-water sampling pipe, 22-needle stand, 23-bottle cork needle, 24-self sealss rubber sleeve, 31-test tube, 32-lid, 33-sealing-plug, 41-circular hole A, 42-circular hole B, 211-aperture.
Detailed description of the invention
It is more fully described specific embodiment of the utility model below with reference to accompanying drawings.Although accompanying drawing showing specific embodiment of the utility model, it being understood, however, that may be realized in various forms this utility model and should do not limited by embodiments set forth here. On the contrary, it is provided that these embodiments are able to be best understood from this utility model, and complete for scope of the present utility model can be conveyed to those skilled in the art.
" comprising " or " including " as mentioned in the middle of description and claim in the whole text is an open language, therefore should be construed to " comprise but be not limited to ". Description subsequent descriptions is for implementing better embodiment of the present utility model, and right described description is for the purpose of the rule of description, is not limited to scope of the present utility model. Protection domain of the present utility model is when being as the criterion depending on the defined person of claims.
The vacuum harvesting apparatus of water sample in a kind of seepage action of ground water model, as it is shown in figure 1, described device includes simulation monitoring well 1, sampling needle 2 and vacuum sampling tube 3, described simulation monitoring well and sampling needle are all sealedly attached on the simulation water barrier 4 of flow model in porous media.
As in figure 2 it is shown, described simulation monitoring well 1 includes monitoring well casing 11 and filter 12, described monitoring well casing 11 pipe shaft has and vertically cracks 13, it is simple to current flow, while simulation true monitoring well, also functioned to avoid interference the purpose of Analysis of Ground-water Seepage Field; Described filter 12 is wound around the filter screen on monitoring well casing 11 pipe shaft by the copper wire that diameter is 0.1mm or stainless steel silk, and the scope being wound around is more than the scope vertically cracked, and one end of monitoring well casing 11 has link 14, for being connected with simulation water barrier 4; Described filter 12 be prevented from the fine particle in water-bearing media or in water fine impurities blocking monitoring well casing 11 pipe shaft on seepage flow gap. The water-bearing media filled in flow model in porous media can produce lateral pressure, and simulation monitoring well 1 withstands lateral pressure, it is prevented that the water sampling Guan Yin being placed in one is subject to lateral pressure and damages. Simulation monitoring well is applied not only to the monitoring well that simulation is actual, simultaneously works as the effect of protection water sampling pipe. When practical application, monitoring well casing length and filter length are determined by the requirement of concrete Seepage Experiment.
Preferably, the external diameter of described monitoring well casing 11 is 8mm, internal diameter is 6mm; Described vertically crack 13 seam width be 1mm, long for 20mm, the long 5mm of link 14 of described monitoring well casing 11 pipe shaft and simulation water barrier 4.
Further, as it is shown on figure 3, described sampling needle 2 includes water sampling pipe 21, needle stand 22 and bottle cork needle 23, described water sampling pipe 21 and bottle cork needle 23 are installed on needle stand 22, and described needle stand 22 is fixed on simulation water barrier 4. Water sampling pipe is placed in simulation and monitors the tubule of extract water quality sample in well, and bottle cork needle 23 is the caulking gum for puncturing vacuum sampling tube 3, is transported to by water sample in vacuum sampling tube. Water sampling pipe can be made by stainless steel tube, glass tubing and polyfluortetraethylene pipe, pipe external diameter 2.0mm, internal diameter 1.8mm, the pipe shaft of described water sampling pipe 21 has multiple aperture 211, the aperture in each hole is 0.5mm, it is easy to current flowing, to reach to reduce the purpose being detained water sample in water sampling pipe.
Preferably, described bottle cork needle 23 outer wrap self sealss rubber sleeve 24, it is possible to achieve multi collect and do not reveal, thus avoid volatile solutes volatilization reveal. Bottle cork needle adopts thinner internal diameter, to reach to reduce the purpose being wherein detained water sample. Bottle cork needle internal diameter 0.36mm, can be shortened by needle length, or the mode reducing its internal diameter reduces delay volume of water sample further.Water sampling pipe and bottle cork needle are installed on needle stand, are fixed on simulation water barrier by sampling needle again through needle stand.
Further, as shown in Figure 4, in above-mentioned seepage action of ground water model in the vacuum harvesting apparatus of water sample, described vacuum sampling tube 3 includes test tube 31, lid 32 and sealing-plug 33.
Preferably, the material of described sealing-plug is politef so that the solute ensured in water sample not with sealing-plug generation chemical reaction, described sealing-plug was wanted closely with coordinating between test tube, and the air-tightness of sealing-plug self is good.
The material of described test tube is glass, it is preferred to high quality silicon boron glass, pipe external diameter 13mm, internal diameter 11m, and selected teat glass needs to carry out pickling, alkali cleaning and inside and carries out silicidation so that it is have good chemical inertness.
Described lid is to be enclosed within the working of plastics outside sealing-plug, the opening punctured for sampling needle is left in the middle of lid, lid to guarantee the vacuum and the capping processes that are conducive to vacuum sampling tube, the water sample not making inside when being easy to either manually or mechanically be opened by test tube spills, and the bottleneck of contamination water sample and plug contacts can not be made to the hands of operator and unlatching equipment, more the teat glass mouth of pipe can not be staved.
Wherein, vacuum sampling tube is the source pressure of extract water quality sample, is also the preservation container of water sample. The sampling method of the present invention is very convenient, only need to be pressed on bottle cork needle by the sealing-plug of vacuum sampling tube lid.
Preferably, it is sealedly attached on simulation water barrier for simulation being monitored well and sampling needle, need to offer respectively on simulation water barrier for install sampling needle, simulation monitoring well the circular hole A41 that aperture is 5mm and circular hole B42, circular hole A41 and circular hole B42 that aperture is 8mm are mutually communicated and the center of circle coincides.
Time specifically used, simulation monitoring well and sampling needle installed, are specially (as shown in Figure 5):
First install and simulate monitoring well, teflin ring is placed in the circular hole B place installing simulation monitoring well, then simulation monitoring well link is put into sealing ring, and be firmly pressed in the circular hole B of correspondence. In the process of pressing, sealing ring deforms, and fills space between perforate and well casing, thus reaching the purpose being sealed. After simulation monitoring well is installed, sampling needle is installed again, first teflin ring is placed in the circular hole A place installing sampling needle, again sampling needle needle stand is put into sealing ring, and firmly by circular hole A corresponding for sampling needle press-in, in the process of pressing, sealing ring deforms, and fills space between perforate and needle stand, thus reaching the purpose being sealed.
After simulation monitoring well and the installing of sampling needle, in small underground water seepage flow physical model, namely the vacuum harvesting apparatus of water sample is completed, and when specifically used, only need to be pressed on bottle cork needle by the sealing-plug of vacuum sampling tube lid. Owing to there is negative pressure in vacuum sampling tube, after bottle cork needle punctures its sealing-plug, under the effect of negative pressure, water sample is inhaled in sampling tube via water sampling pipe. After obtaining sample, pulling out vacuum sampling tube, sealing-plug is still in air-tight state, and water sample is just sealed up for safekeeping in vacuum sampling tube.
Although, above with generality explanation and specific embodiment, the present invention is described in detail, but on basis of the present invention, it is possible to it is made some modifications or improvements, and this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (11)
1. the vacuum harvesting apparatus of water sample in seepage action of ground water model, it is characterized in that, described device includes simulation monitoring well (1), sampling needle (2) and vacuum sampling tube (3), and described simulation monitoring well (1) and sampling needle (2) are all sealedly attached on the simulation water barrier (4) of flow model in porous media.
2. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 1, it is characterized in that, described simulation monitoring well (1) includes monitoring well casing (11) and filter (12), described monitoring well casing (12) pipe shaft has vertically crack (13), it is simple to current flow; One end of monitoring well casing (11) has link (14), for being connected with simulation water barrier (4); Described filter (12) is to wind around the filter screen on monitoring well casing (11) pipe shaft, and the scope being wound around is more than the scope cracked.
3. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 2, it is characterised in that the external diameter of described monitoring well casing (11) is 8mm, internal diameter is 6mm; The seam width of described vertically crack (13) is 1mm, grows for 20mm, described link (14) long 5mm.
4. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 1, it is characterized in that, described sampling needle (2) includes water sampling pipe (21), needle stand (22) and bottle cork needle (23), described water sampling pipe (21) and bottle cork needle (23) are installed on needle stand (22), and described needle stand (22) is fixed in simulation water barrier (4).
5. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 4, it is characterized in that, having aperture (211) on the pipe shaft of described water sampling pipe (21), the aperture of aperture (211) is 0.5mm.
6. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 4, it is characterised in that described bottle cork needle (23) outer wrap self sealss rubber sleeve (24).
7. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 1, it is characterized in that, described vacuum sampling tube (3) includes test tube (31), lid (32) and sealing-plug (33).
8. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 7, it is characterised in that the material of described sealing-plug (33) is politef.
9. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 7, it is characterised in that the external diameter of described vacuum sampling tube (3) is 13mm, internal diameter is 11mm.
10. the vacuum harvesting apparatus of water sample in small underground water flow model in porous media according to claim 1, it is characterized in that, described simulation water barrier (4) above and below is offered the circular hole A (41) and circular hole B (42) for installing sampling needle (2), simulation monitoring well (1), circular hole A (41) respectively and circular hole B (42) is mutually communicated and the center of circle coincides.
11. the vacuum harvesting apparatus of water sample in seepage action of ground water model according to claim 10, it is characterised in that the aperture of circular hole A (41) is 5mm, the aperture of circular hole B (42) is 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222628.5A CN105651556B (en) | 2016-04-11 | 2016-04-11 | The vacuum harvesting apparatus of water sample in seepage action of ground water model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222628.5A CN105651556B (en) | 2016-04-11 | 2016-04-11 | The vacuum harvesting apparatus of water sample in seepage action of ground water model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105651556A true CN105651556A (en) | 2016-06-08 |
| CN105651556B CN105651556B (en) | 2018-12-25 |
Family
ID=56496315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610222628.5A Active CN105651556B (en) | 2016-04-11 | 2016-04-11 | The vacuum harvesting apparatus of water sample in seepage action of ground water model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105651556B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187103A (en) * | 2018-11-20 | 2019-01-11 | 美丽国土（北京）生态环境工程技术研究院有限公司 | A kind of layering sealing sampler |
| CN109752220A (en) * | 2019-03-21 | 2019-05-14 | 庞凯戈 | Water burst monitoring device in spring in spring pond |
| CN110104191A (en) * | 2019-05-27 | 2019-08-09 | 浙江省舟山中学 | A kind of underwater water sample automatic acquisition device based on unmanned plane |
| CN113588343A (en) * | 2021-08-04 | 2021-11-02 | 山东恒诚检测科技有限公司 | Sewage cross section sampling device for water quality environment detection |
| CN117554556A (en) * | 2024-01-12 | 2024-02-13 | 佳木斯大学 | Gastric juice acidity detection device for digestive system |
| CN117554556B (en) * | 2024-01-12 | 2024-05-10 | 佳木斯大学 | Gastric juice acidity detection device for digestive system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004212250A (en) * | 2003-01-06 | 2004-07-29 | Sekisui Chem Co Ltd | Specimen collection tool |
| CN102998149A (en) * | 2011-09-16 | 2013-03-27 | 江苏康健医疗用品有限公司 | Negative pressure urine collecting device |
| CN203465119U (en) * | 2013-09-11 | 2014-03-05 | 长沙环境保护职业技术学院 | Rice field soil water extraction device |
| CN105275075A (en) * | 2015-11-06 | 2016-01-27 | 江阴市星宇塑胶有限公司 | Internal and external water seepage filtering pipe and preparation method |
-
2016
- 2016-04-11 CN CN201610222628.5A patent/CN105651556B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004212250A (en) * | 2003-01-06 | 2004-07-29 | Sekisui Chem Co Ltd | Specimen collection tool |
| CN102998149A (en) * | 2011-09-16 | 2013-03-27 | 江苏康健医疗用品有限公司 | Negative pressure urine collecting device |
| CN203465119U (en) * | 2013-09-11 | 2014-03-05 | 长沙环境保护职业技术学院 | Rice field soil water extraction device |
| CN105275075A (en) * | 2015-11-06 | 2016-01-27 | 江阴市星宇塑胶有限公司 | Internal and external water seepage filtering pipe and preparation method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187103A (en) * | 2018-11-20 | 2019-01-11 | 美丽国土（北京）生态环境工程技术研究院有限公司 | A kind of layering sealing sampler |
| CN109187103B (en) * | 2018-11-20 | 2024-05-17 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Layered water stop sampling device |
| CN109752220A (en) * | 2019-03-21 | 2019-05-14 | 庞凯戈 | Water burst monitoring device in spring in spring pond |
| CN110104191A (en) * | 2019-05-27 | 2019-08-09 | 浙江省舟山中学 | A kind of underwater water sample automatic acquisition device based on unmanned plane |
| CN110104191B (en) * | 2019-05-27 | 2024-03-26 | 浙江省舟山中学 | Unmanned aerial vehicle-based underwater water sample automatic acquisition device |
| CN113588343A (en) * | 2021-08-04 | 2021-11-02 | 山东恒诚检测科技有限公司 | Sewage cross section sampling device for water quality environment detection |
| CN117554556A (en) * | 2024-01-12 | 2024-02-13 | 佳木斯大学 | Gastric juice acidity detection device for digestive system |
| CN117554556B (en) * | 2024-01-12 | 2024-05-10 | 佳木斯大学 | Gastric juice acidity detection device for digestive system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105651556B (en) | 2018-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214427419U (en) | Underground water layering monitoring well | |
| CN206114355U (en) | Underground water sampling device | |
| CN206292074U (en) | A kind of piston drawing-in type ground water fixed depth harvester | |
| CN107328903A (en) | Shallow Groundwater Pollution thing monitoring system | |
| CN205719647U (en) | The vacuum harvesting apparatus of water sample in seepage action of ground water model | |
| CN105651556A (en) | Vacuum collection device for water sample in groundwater seepage model | |
| CN106840759A (en) | A kind of soil infiltration water original position layered sampling device | |
| CN106153393A (en) | A kind of original position layering harvester of shallow water area column shaped deposit pore water | |
| CN206479368U (en) | A kind of underground water detects sampler | |
| WO2020108353A1 (en) | Multi-point sampling type water sample collector and water sample collection method | |
| CN105967358B (en) | Waste liquid and waste gas collecting device of small underground water seepage physical model | |
| CN202929029U (en) | Simulation test device for in-situ chemical and biological remediation of underground water | |
| CN110987525A (en) | Tube well device suitable for layered sampling of underground water in polluted site | |
| CN206556916U (en) | A kind of soil infiltration water layered sampling device in situ | |
| CN107894350A (en) | One kind pollution long-term sampling equipment of place phreatic water | |
| CN212134230U (en) | Water layering collection system | |
| CN212391467U (en) | Simple and easy coastal wetland shallow groundwater monitoring devices | |
| CN107449635A (en) | A kind of topsoil seepage flow liquor collecting device and preparation method | |
| CN203981448U (en) | Forced underground water original position rapid sampling attachment | |
| CN208206581U (en) | Portable aeration zone soil phreatic water collector | |
| CN111220790A (en) | Original state soil layering eluviation sampling device | |
| CN206057016U (en) | A kind of groundwater sampling device | |
| CN217277191U (en) | Novel gaseous sample of groundwater solution gas device | |
| CN203490100U (en) | In-situ sampling and on-line testing device for sewage plant and water recycling plant | |
| CN209858292U (en) | Soil gas layering sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |