CN110749477A - Portable farmland shallow-buried underground water sampling and buried depth measuring device - Google Patents
Portable farmland shallow-buried underground water sampling and buried depth measuring device Download PDFInfo
- Publication number
- CN110749477A CN110749477A CN201910962654.5A CN201910962654A CN110749477A CN 110749477 A CN110749477 A CN 110749477A CN 201910962654 A CN201910962654 A CN 201910962654A CN 110749477 A CN110749477 A CN 110749477A
- Authority
- CN
- China
- Prior art keywords
- sampling bottle
- sampling
- buried
- water
- measuring device
- 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
Images
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F19/00—Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups
-
- 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
- G01N2001/1418—Depression, aspiration
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a portable farmland shallow-buried groundwater sampling and buried depth measuring device which comprises a sampling bottle and a top cover, wherein the sampling bottle is in threaded connection with the top cover, a water inlet pipe which is integrally formed with the sampling bottle is arranged on the sampling bottle, a one-way water inlet valve is arranged at the water outlet end of the water inlet pipe, a vertically arranged measuring pipe is in threaded connection with the top cover, the measuring pipe is of a hollow structure, and the measuring pipe is communicated with the inside of the sampling bottle. Compared with the existing device, the invention has the advantages of simple structure, low production cost, convenient carrying, simple operation, multiple purposes, and capability of rapidly and reliably obtaining groundwater samples and buried depth.
Description
Technical Field
The invention belongs to the technical field of farmland monitoring, and particularly relates to a portable farmland shallow-buried underground water sampling and buried depth measuring device.
Background
In northwest areas of China, a large amount of cultivated land is damaged by salinization, and the salinization of land becomes a major obstacle for the sustainable development of agriculture, and the areas are characterized in that underground water is shallow in buried depth and high in salt content. Therefore, dynamic monitoring of the buried depth and the water quality of the farmland underground water is an important link for saline-alkali soil treatment. The main means of monitoring is to set up the monitoring well in the field, because long-term monitoring well exists the investment big, influences field mechanical cultivation, and the point location is few, and representativeness is not strong scheduling problem, and managers often can add seasonal monitoring well in the field, and this type of monitoring well pipe diameter is less, makes things convenient for the dismouting, needs to take a sample and buried depth measurement to the groundwater of this type of seasonal monitoring well.
The existing field farmland underground water sampling and buried depth measuring device is inconvenient to carry, complex to operate, influences sampling work, or is not suitable for seasonal monitoring wells with small pipe diameters, is relatively limited in application range, and cannot achieve multiple purposes.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a portable farmland shallow-buried underground water sampling and buried depth measuring device, which solves the problems that the existing device is inconvenient to carry, complex to operate, influences the sampling work, is relatively limited in application range and cannot be used for multiple purposes.
The technical scheme is as follows: the invention relates to a portable farmland shallow groundwater sampling and buried depth measuring device which comprises a sampling bottle and a top cover, wherein the sampling bottle is in threaded connection with the top cover, a water inlet pipe which is integrally formed with the sampling bottle is arranged on the sampling bottle, a one-way water inlet valve is arranged at the water outlet end of the water inlet pipe, a vertically arranged measuring pipe is in threaded connection with the top cover, the measuring pipe is of a hollow structure, and the measuring pipe is communicated with the inside of the sampling bottle.
Further, the sampling bottle is made of light transparent material, and the measuring tube is made of light transparent material or alloy material.
Furthermore, height scale marks are arranged on the sampling bottle and the measuring tube, and 0 scale mark of the height scale marks is positioned at the bottom of the sampling bottle and sequentially and upwards scales; the sampling bottle is also provided with volume scale marks corresponding to the volume of the sampling bottle. The height scale marks and the volume scale marks can be used for conveniently calculating the underground water burial depth and the obtained water sample capacity.
Further, the inlet tube is located the lateral wall of sample bottle, and the direction of intaking is the horizontal direction, and the end of intaking of inlet tube is equipped with the filter screen. When the sampling bottle contacted the surface of water, operating personnel can perceive that the device received buoyancy, made operating personnel can judge that the device contacted groundwater, and the direction of intaking of inlet tube is the horizontal direction, and when the rivers level flowed into the sampling bottle, can neglect the influence that valve gravity produced, the end of intaking was equipped with the filter screen, can filter the impurity of groundwater.
Further, the inlet tube is located the diapire of sampling bottle, and the direction of intaking is vertical direction, and the end of intaking of inlet tube is equipped with the filter screen.
Furthermore, the one-way water inlet valve comprises a valve and a rotating shaft, the rotating shaft is installed on the water inlet pipe, the valve can rotate around the rotating shaft, and the outer edge of the valve protrudes and is buckled on the water outlet end of the water inlet pipe.
Furthermore, a sealing ring is arranged at the water outlet end of the water inlet pipe. The sealing ring can prevent the valve of the one-way water inlet valve from leaking when the valve is closed.
Furthermore, survey buret and form by a plurality of single sections survey buret combination, form into a whole extending structure's survey buret through recess and buckle between a plurality of single sections survey burets, lie in terminal single section survey buret and top cap threaded connection. The measuring tube of the telescopic structure can be telescopic but can not be separated.
When the portable farmland shallow buried groundwater sampling and buried depth measuring device is used, the device is vertically inserted into an groundwater sampling point until the groundwater liquid level submerges a water inlet pipe by at least 5cm, and after the liquid level flowing into the device is stable, the height scale reading of the leveling position of the upper end of a measuring pipe and the ground is read; taking out the device, and calculating the buried depth of the underground water according to the height scale reading of the liquid level position of the water flowing into the device and the height scale reading of the level position of the upper end of the measuring pipe and the ground; the water in the sampling bottle is the sampled water.
When the water level in the monitoring well is higher than the water level in the device, the underground water in the monitoring well supports the valve, the valve generates a deflection angle around the rotating shaft, the valve is in an open state, and the underground water flows into the sampling bottle; when the water level in the device is stable and the device is taken out vertically, the water level in the device is higher than the water level in the monitoring well, the water flow presses the valve, the valve is fastened on the water outlet end of the water inlet pipe, and the water flow is blocked by the one-way water inlet valve and cannot flow back to the monitoring well.
Has the advantages that: compared with the prior art, the underground water sampler has the advantages of simple structure, low production cost, convenience in carrying and simplicity in operation, realizes multiple purposes, and can quickly and reliably obtain an underground water sample and the buried depth.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is another schematic structural view of the present invention;
FIG. 3 is a schematic diagram of a structure in which the present invention is embodied.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The invention is further described below with reference to the following figures and examples:
example 1
As shown in fig. 1 and 3, the portable farmland shallow-buried groundwater sampling and buried depth measuring device comprises a sampling bottle 1 and a top cover 2, wherein the sampling bottle 1 is in threaded connection with the top cover 2, a water inlet pipe 3 which is integrally formed with the sampling bottle 1 is arranged on the sampling bottle 1, a one-way water inlet valve 4 is arranged at the water outlet end of the water inlet pipe 3, a vertically arranged measuring pipe 5 is in threaded connection with the top cover 2, the measuring pipe 5 is of a hollow structure, the measuring pipe 5 is communicated with the inside of the sampling bottle 1, and when groundwater flows into the sampling bottle 1 through the one-way water inlet valve 4, air in the sampling bottle 1 can be discharged through the measuring pipe 5;
wherein the sampling flask 1 and the measuring tube 5 are made of a light transparent material, such as plastic. Because the measuring tube 5 is made of light transparent material, when the device is used, the underground water level enters the measuring tube 5, and an operator can observe the position of the liquid level in the measuring tube 5 and read corresponding scales; the sampling bottle 1 and the measuring tube 5 are both provided with height scale marks, and the 0 scale mark of the height scale marks is positioned at the bottom of the sampling bottle 1 and sequentially goes up to be scaled by height; meanwhile, the sampling bottle 1 is also provided with volume scale marks corresponding to the volume of the sampling bottle. The height scale marks and the volume scale marks can be used for conveniently calculating the underground water burial depth and the acquired water sample capacity;
the water inlet pipe 3 in the embodiment is positioned on the side wall of the sampling bottle 1, the water inlet direction is the horizontal direction, and the water inlet end of the water inlet pipe 3 is provided with a filter screen 6; when the sampling bottle 1 contacts the water surface, an operator can sense that the device is subjected to buoyancy, so that the operator can judge that the device contacts the underground water, the water inlet direction of the water inlet pipe 3 is the horizontal direction, when water flows into the sampling bottle 1 horizontally, the influence generated by the gravity of the valve can be ignored, the water inlet end is provided with a filter screen 6 which can filter impurities in the underground water,
the one-way water inlet valve 4 comprises a valve and a rotating shaft, the rotating shaft is arranged on the water inlet pipe 3, the valve can rotate around the rotating shaft, the valve is made of rubber materials, and the outer edge of the valve protrudes and is buckled on the water outlet end of the water inlet pipe 3; meanwhile, a sealing ring is arranged at the water outlet end of the water inlet pipe 3, and the sealing ring can prevent the valve of the one-way water inlet valve 4 from leaking water when the valve is closed;
because the depths of the monitoring wells are different, the measuring tube 5 is formed by combining a plurality of single measuring tubes, the measuring tubes 5 of an integral telescopic structure are formed among the single measuring tubes through grooves and buckles, the single measuring tube at the tail end is in threaded connection with the top cover 2, the measuring tube 5 of the telescopic structure can be telescopic but cannot be separated, and the structure of the telescopic umbrella is the same as that of a telescopic umbrella in daily life;
during the use, survey buret extension at different levels, place perpendicularly in farmland monitoring well, 3 submergings of inlet tube on the sampling bottle 1 are in 5cm at least below the surface of water, water level is higher than the device water level in the monitoring well, under the effect of hydrostatic pressure, the valve of one-way water intaking valve 4 is held up to groundwater top, make the valve revolute the rotation of axes, produce the deflection angle, groundwater flows into in sampling bottle 1 and surveying buret 5, original air is discharged through surveying buret 5 in the sampling bottle 1, treat the liquid level stabilization back that flows into in the device, read survey buret 5 upper end and the height scale reading h of ground levelling department2；
The device is taken out vertically, the water level in the device is higher than that in the monitoring well at the moment, and the water in the device presses the valve under the action of hydrostatic pressure, so that the valve is enabled to be openedThe water flow is blocked by the one-way water inlet valve 4 and cannot flow back to the monitoring well after being tightly buckled on the water inlet pipe 3; according to the level position and height scale reading h of water flowing into the device1And the height scale reading h at the level of the upper end of the measuring tube and the ground2Calculating the buried depth of the underground water; when the underground water burial depth is measured, the water level in the device is flush with the water level in the monitoring well, and then the underground water burial depth h is h2-h1After the groundwater burial depth is measured, the water sample in the sampling bottle 1 is extracted, and the water in the sampling bottle 1 is the required water sample.
Example 2
As shown in fig. 2, this embodiment is substantially the same as embodiment 1, except that: the measuring tube 5 is made of alloy materials, and is molded into a groove and buckle structure by utilizing the characteristics of high strength and good ductility of metal materials, and scales are marked on the measuring tube 5; vertically inserting the device into an underground water sampling point, when the bottom of a sampling bottle 1 contacts the water surface, an operator can sense that the device is subjected to buoyancy, so that the operator can judge that the device contacts the underground water, and the immersion depth of the device is controlled through scales on a measuring pipe 5 so that the immersion depth of the device does not exceed the height of the sampling bottle 1;
in terms of the position of the water inlet pipe 3, the water inlet pipe 3 is positioned on the bottom wall of the sampling bottle 7, the water inlet direction is vertical, and the water inlet end of the water inlet pipe 3 is provided with a filter screen;
when the device is used, the measuring tubes 5 of all stages are extended and vertically placed in a farmland monitoring well, the sampling bottle 1 is immersed below the water level, the water level in the monitoring well is higher than the water level in the device, under the action of hydrostatic pressure, underground water supports the valve of the one-way water inlet valve 4, the valve rotates around a rotating shaft to generate an angle deviation, the underground water flows into the sampling bottle 1 and the measuring tubes 5, and original air in the sampling bottle 1 is discharged through the measuring tubes 5;
when the water level in the device is stable, the device is taken out vertically, the water level in the device is higher than the water level in the monitoring well at the moment, and under the action of hydrostatic pressure, water flow in the device presses the valve, so that the valve is tightly buckled on the water inlet pipe 3, and the water flow is blocked by the one-way water inlet valve 4 and cannot flow back to the monitoring well;
when measuring the buried depth of underground water, one-way water inletThe valve 4 has the gravity effect, the water level in the device is lower than the water level in the monitoring well, a fixed water level difference exists, the water level difference delta h can be measured through a preliminary test, and the underground water burial depth h is h2-h1+Δh。
And after the underground water burial depth is measured, extracting the water sample in the sampling bottle 1.
Claims (8)
1. The utility model provides a shallow groundwater sample of burying in portable farmland and buried depth measuring device, includes sampling bottle and top cap, sampling bottle and top cap threaded connection, its characterized in that: be equipped with on the sampling bottle with sampling bottle integrated into one piece's inlet tube, install one-way water intaking valve on the play water end of inlet tube, threaded connection has the survey buret of vertical setting on the top cap, survey buret and be hollow structure, and survey the inside of buret and sampling bottle and communicate with each other.
2. The portable farmland shallow buried groundwater sampling and buried depth measuring device as claimed in claim 1, wherein: the sampling bottle is made of light transparent material, and the measuring tube is made of light transparent material or alloy material.
3. The portable farmland shallow buried groundwater sampling and buried depth measuring device as claimed in claim 1, wherein: the sampling bottle and the measuring tube are both provided with height scale marks, and 0 scale mark of the height scale mark is positioned at the bottom of the sampling bottle and sequentially goes up to be scaled by height; the sampling bottle is also provided with volume scale marks corresponding to the volume of the sampling bottle.
4. The portable farmland shallow buried groundwater sampling and buried depth measuring device as claimed in claim 1, wherein: the inlet tube is located the lateral wall of sampling bottle, and the direction of intaking is the horizontal direction, and the end of intaking of inlet tube is equipped with the filter screen.
5. The portable farmland shallow buried groundwater sampling and buried depth measuring device as claimed in claim 1, wherein: the inlet tube is located the diapire of sampling bottle, and the direction of intaking is vertical direction, and the end of intaking of inlet tube is equipped with the filter screen.
6. The portable farmland shallow buried groundwater sampling and buried depth measuring device as claimed in claim 1, wherein: the one-way water inlet valve comprises a valve and a rotating shaft, the rotating shaft is installed on the water inlet pipe, the valve can rotate around the rotating shaft, and the outer edge of the valve protrudes and is buckled on the water outlet end of the water inlet pipe.
7. A portable farmland shallow groundwater sampling and burial depth measuring device according to claim 6, characterized in that: and a sealing ring is arranged at the water outlet end of the water inlet pipe.
8. The portable farmland shallow buried groundwater sampling and buried depth measuring device as claimed in claim 1, wherein: the measuring tube is formed by combining a plurality of single measuring tubes, the measuring tubes of the single measuring tubes form an integral telescopic structure through grooves and buckles, and the single measuring tube at the tail end is in threaded connection with the top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910962654.5A CN110749477A (en) | 2019-10-11 | 2019-10-11 | Portable farmland shallow-buried underground water sampling and buried depth measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910962654.5A CN110749477A (en) | 2019-10-11 | 2019-10-11 | Portable farmland shallow-buried underground water sampling and buried depth measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110749477A true CN110749477A (en) | 2020-02-04 |
Family
ID=69278015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910962654.5A Pending CN110749477A (en) | 2019-10-11 | 2019-10-11 | Portable farmland shallow-buried underground water sampling and buried depth measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110749477A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139665A (en) * | 2001-11-06 | 2003-05-14 | Geo Environment Technology Research Center | Method and apparatus for sampling groundwater as well as method and apparatus for measurement of groundwater level |
| CN201548427U (en) * | 2009-12-09 | 2010-08-11 | 长江大学 | Shallow groundwater sampler |
| CN103868569A (en) * | 2014-03-27 | 2014-06-18 | 水利部交通运输部国家能源局南京水利科学研究院 | Device and setting method for measuring underground water level of vacuum drainage prepressing sealing membrane |
| CN106703752A (en) * | 2016-12-03 | 2017-05-24 | 吉林大学 | System closing method used for oil shale underground in-situ exploitation |
| CN206339413U (en) * | 2016-12-30 | 2017-07-18 | 河海大学 | Ground water fixed depth quantitative water sampler |
| CN207095900U (en) * | 2017-08-10 | 2018-03-13 | 广西建工集团基础建设有限公司 | Ground water fixed depth water ampling device |
| CN110006785A (en) * | 2019-04-03 | 2019-07-12 | 河海大学 | A kind of dynamic auto monitoring device of soil water and salt transport |
-
2019
- 2019-10-11 CN CN201910962654.5A patent/CN110749477A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139665A (en) * | 2001-11-06 | 2003-05-14 | Geo Environment Technology Research Center | Method and apparatus for sampling groundwater as well as method and apparatus for measurement of groundwater level |
| CN201548427U (en) * | 2009-12-09 | 2010-08-11 | 长江大学 | Shallow groundwater sampler |
| CN103868569A (en) * | 2014-03-27 | 2014-06-18 | 水利部交通运输部国家能源局南京水利科学研究院 | Device and setting method for measuring underground water level of vacuum drainage prepressing sealing membrane |
| CN106703752A (en) * | 2016-12-03 | 2017-05-24 | 吉林大学 | System closing method used for oil shale underground in-situ exploitation |
| CN206339413U (en) * | 2016-12-30 | 2017-07-18 | 河海大学 | Ground water fixed depth quantitative water sampler |
| CN207095900U (en) * | 2017-08-10 | 2018-03-13 | 广西建工集团基础建设有限公司 | Ground water fixed depth water ampling device |
| CN110006785A (en) * | 2019-04-03 | 2019-07-12 | 河海大学 | A kind of dynamic auto monitoring device of soil water and salt transport |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205079838U (en) | Paddy field ground water level measures and water sample draw -out device | |
| CN202793984U (en) | Field infiltration instrument | |
| CN203745323U (en) | Remolded soil disintegration testing apparatus | |
| CN103868569A (en) | Device and setting method for measuring underground water level of vacuum drainage prepressing sealing membrane | |
| CN201340383Y (en) | Double-ring soil infiltration runoff measuring instrument | |
| WO2019033467A1 (en) | Range-adjustable dual-ring infiltration apparatus and in-situ testing method for soil permeability coefficient | |
| CN104330132B (en) | Device and method for measuring underground water level under negative pressure condition | |
| CN113884648A (en) | Underground water detection system and detection method | |
| CN113074989A (en) | Pressure-sensing self-sampling type sampling device for environment detection | |
| CN211652235U (en) | River deep water intake device | |
| CN110749477A (en) | Portable farmland shallow-buried underground water sampling and buried depth measuring device | |
| CN110907225B (en) | Underground water high-fidelity sampling system and sampling method | |
| CN110907332A (en) | Testing device and method for horizontal permeability coefficient of shallow soil | |
| CN109443833B (en) | Multifunctional underwater water and sand sampler | |
| CN110044660A (en) | A kind of petroleum-type quantitative sampling device | |
| CN215639651U (en) | Device for quickly measuring height of underground water level | |
| CN105388042A (en) | Floating type runoff sediment sampling total depth profile water inlet device | |
| CN114235601A (en) | Direct shear-seepage test device and method for soil-rock interface under constant normal stress condition | |
| CN210005287U (en) | Portable underground water level measuring and sampling device | |
| CN108680483B (en) | Soil body in-situ permeability coefficient measuring device and testing method | |
| CN208223588U (en) | A kind of groundwater level meter bracket | |
| CN208795559U (en) | It is a kind of for collecting water-vapor interface bubble device | |
| CN206321639U (en) | A kind of aquiclude bailing test device | |
| CN208270255U (en) | A kind of differential ground water fixed depth acquisition device | |
| CN208704844U (en) | A kind of subaqueous survey easy device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200204 |
|
| RJ01 | Rejection of invention patent application after publication |