CN105973648A - Soil pore water sampling method - Google Patents
Soil pore water sampling method Download PDFInfo
- Publication number
- CN105973648A CN105973648A CN201610259802.3A CN201610259802A CN105973648A CN 105973648 A CN105973648 A CN 105973648A CN 201610259802 A CN201610259802 A CN 201610259802A CN 105973648 A CN105973648 A CN 105973648A
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- sampling
- steel pipe
- pipe
- soil
- pvb
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- 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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
-
- 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
- G01N2001/1031—Sampling from special places
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a soil pore water sampling method and sampling device; each steel pipe is internally sheathed with a layer of rubber pipe, and one end of each steel pipe is mounted on a fixed disc through a fixing riveting joint, the bottom end of each steel pipe is fixedly provided with a sampling probe, and the top of each steel pipe is connected with one PVB pipe; the PVB pipes are connected on a sampling box, the sampling box at least comprises six mutually-independent storage spaces, and each PVB pipe is separately connected on one storage space; each storage space is provided with a suction port; each PVB pipe is provided with a valve. The sampling probes with different depths are arranged, and soil pore water at different depths is sampled; through a way of firstly sampling upper-layer water and then sampling lower-layer soil water, the impact of different orders is solved; the sampling box with a plurality of different mutually-independent spaces is arranged, and collection and detection of the sampling water at different depths are achieved.
Description
Technical field
The invention belongs to soil sampling technical field, especially relate to one and be applied to study different depth soil
The soil pore water method of sampling of water characteristic.
Background technology
In environmental science, the field such as ecological and agriculture, need soil pore water is carried out sampling analysis,
The environmental behaviours such as the migration of research pollutant and the conversion of nutrient substance.In order to fully soil characteristic be entered
Row experimental study, scientific research institution establishes the most large-scale test percolating filter, by gathering the soil of percolating filter
Earth percolating water detects soil regime all-sidedly and accurately.The soil water carries out sample collection, and scientific analysis is studied,
Can be that environmental monitoring provides a large amount of visual data and ecological, environmental protection suggestion.Therefore, to soil pore water
Sampling analysis is of crucial importance, and the sampling of soil pore water is it is generally required to complete by special sampling tool.
The quality of sampling tool is related to sampling efficiency and the sampling precision of soil pore water, for sampling analysis
Have a very big impact.
Although starting that various sampling apparatus and the method for sampling occur at present, but, current sampling apparatus or
Person's method of sampling is when sampling, if being acquired the water sample of diverse location different depth analyzing, then by
In having two variablees, having bigger diversity, impact analysis precision, and if at same position pair
Different depth is sampled, if then the method for sampling and device are improper, and shadow of once sampling before also easily causing
Ring the extraction accuracy of a rear sample water, also affect the analysis precision of data, therefore, in order to study difference
The situation of level soil pore water, needs to design a kind of novel soil pore water method of sampling, in order to carry
The precision of high data analysis.
Summary of the invention
The present invention is directed to existing technical problem, it is provided that a kind of soil pore water method of sampling, it is by setting
Put the sampling probe of different depth, it is achieved that the sampling of different depth soil pore water, meanwhile, utilize weight
Power sinking principle, by first upper water being sampled, after mode that lower soil water is sampled,
Solving the impact that order is different, the present invention is provided with the sampling with multiple different separate spaces
Case, it is achieved that the collection of different depth sample water and detection, the inventive method is simple, easy to use, adopts
Sample precision is high.
For achieving the above object, the present invention provides following technical scheme: a kind of soil pore water method of sampling,
It is characterized in that, it comprises the following steps:
(1) sampling apparatus prepares and connects and install:
I () chooses the steel pipe that six length the most uniformly increase, sheathed one layer of rubber tube in steel pipe, so
After, one end of every steel pipe is arranged on fixed disk by fixing riveted joint, and ensures six roots of sensation length not
Same steel pipe stretches out the length of fixed disk lower surface and becomes gradient uniformity to increase successively；
(ii) sampling probe is fixed in the bottom at every steel pipe, it is desirable to each sampling probe and steel pipe
Interior rubber tube is connected firm, is embedded in by every steel pipe afterwards in the soil of required test, then
It is all connected with a PVB pipe on the top of every steel pipe, and PVB pipe is connected on sampling box, wherein,
Sampling box at least includes six separate memory spaces, and each PVB pipe is all connected with a storage sky
Between；
(iii) on every PVB pipe, a valve it is respectively provided with；
(2) sampling of soil pore water:
A () is first turned on the valve on the PVB pipe that is connected with the shortest steel pipe, then, and will be with this PVB
The air pressure that pipe is connected in the memory space of corresponding sampling box is set to negative pressure, to the soil being in the superiors
Earth pore water is sampled, and sample 10-15ml, closes this valve；
Open the valve on the PVB pipe being connected with secondary short steel pipe after (b), then, will be with this PVB
The air pressure that pipe is connected in the memory space of corresponding sampling box is set to negative pressure, to the soil being in time upper strata
Earth pore water is sampled, and sample 10-15ml, closes this valve afterwards；
C () repeats step (a) or (b), in order to carry out the soil water of the probe being in bottom successively
Sampling, in order to first upper layer of soil water is sampled, after lower soil water is sampled；
D (), sampling Multifunctional water instrument are the most successively to the difference stored respectively in sampling box
The soil water of level carries out detecting and record.
Further, as preferably, in step (a)-(c) in described step (2), by connecting
It is negative pressure that the mode of vacuum pump realizes each memory space.
Further, as preferably, in the step (ii) in described step (1), stretch in soil the shortest
The a length of 15-20cm of steel pipe, and the length difference of two steel pipes of adjacent lengths is 12cm.
Further, as preferably, in described step (1), described fixed disk is steel design.
Further, the invention provides a kind of soil pore water sampling apparatus, it is characterised in that: it includes
Steel pipe, fixed disk, valve and the sampling box that six length the most uniformly increases, wherein, in every steel pipe
The most sheathed one layer of rubber tube, and one end of every steel pipe is all arranged on fixed disk by fixing riveted joint,
The steel pipe that six roots of sensation length is different stretches out the length of fixed disk lower surface and becomes gradient uniformity to increase successively, every steel
A sampling probe is fixed in the bottom of pipe, and each sampling probe is connected firm with the rubber tube in steel pipe,
The top of every steel pipe is all connected with a PVB pipe, and PVB pipe is connected on sampling box, and sampling box at least wraps
Include six separate memory spaces, and each PVB pipe be all individually connected on a memory space,
It is provided with pump orifice on each memory space, and on every PVB pipe, is respectively provided with a valve.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is by arranging the sampling probe of different depth, it is achieved that adopting of different depth soil pore water
Sample, meanwhile, utilizes gravity sinking principle, by first upper water being sampled, after to lower soil water
Carrying out the mode sampled, solve the impact that order is different, the present invention is provided with has multiple different phase
The sampling box of separate space mutually, it is achieved that the collection of different depth sample water and detection, the inventive method letter
Single, easy to use, sampling precision is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention a kind of soil pore water sampling apparatus；
1-sampling probe one, 2-sampling probe two, 3-sampling probe three, 4-sampling probe four, 5-samples
Probe five, 6-sampling probe six, 7-fixes riveted joint, 8-fixed disk, 9-valve, 10-vasculum, 11-
Memory space, 12-aspirating hole.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme: a kind of soil pore water method of sampling, it is special
Levy and be, it is characterised in that it comprises the following steps:
(1) sampling apparatus prepares and connects and install:
I () chooses the steel pipe that six length the most uniformly increase, sheathed one layer of rubber tube in steel pipe, so
After, one end of every steel pipe is arranged on fixed disk 8 by fixing riveted joint 7, and ensures that the six roots of sensation is long
Spend different steel pipes to stretch out the length of fixed disk lower surface and become gradient uniformity to increase successively；
(ii) sampling probe, sampling probe 1, sampling probe two are fixed in the bottom at every steel pipe
2, sampling probe 33, sampling probe 44, sampling probe 55, sampling probe 66, it is desirable to each adopt
Sample probe is connected firm with the rubber tube in steel pipe, and every steel pipe is embedded in required test afterwards
In soil, then the top at every steel pipe is all connected with a PVB pipe, and PVB pipe is connected to sampling
On case, wherein, sampling box 10 at least includes six separate memory spaces 11, and each PVB pipe
It is all connected with a memory space；
(iii) on every PVB pipe, a valve 9 it is respectively provided with；
(2) sampling of soil pore water:
A () is first turned on the valve 9 on the PVB pipe that is connected with the shortest steel pipe, then, and will be with this PVB
The air pressure that pipe is connected in the memory space of corresponding sampling box 10 is set to negative pressure, to being in the superiors
Soil pore water is sampled, and sample 10-15ml, closes this valve；
Open the valve 9 on the PVB pipe being connected with secondary short steel pipe after (b), then, will be with this PVB
The air pressure that pipe is connected in the memory space of corresponding sampling box is set to negative pressure, to the soil being in time upper strata
Earth pore water is sampled, and sample 10-15ml, closes this valve 9 afterwards；
C () repeats step (a) or (b), in order to adopt the soil water of the probe being in bottom successively
Sample, in order to first upper layer of soil water is sampled, after lower soil water is sampled；
D (), sampling Multifunctional water instrument are the most successively to the different layers stored respectively in sampling box
The secondary soil water carries out detecting and record.
In the present embodiment, in step (a)-(c) in described step (2), by connecting vacuum pump
Mode to realize each memory space be negative pressure.In step (ii) in described step (1), stretch into soil
The a length of 15-20cm of steel pipe the shortest in earth, and the length difference of two steel pipes of adjacent lengths is 12cm.
In described step (1), described fixed disk is steel design.
Additionally, the invention provides a kind of soil pore water sampling apparatus, it is characterised in that: it includes six
Steel pipe, fixed disk 8, valve 9 and the sampling box 10 that length the most uniformly increases, wherein, every steel pipe
The most sheathed one layer of rubber tube, and one end of every steel pipe is all arranged on fixed disk by fixing riveted joint,
The steel pipe that six roots of sensation length is different stretches out the length of fixed disk lower surface and becomes gradient uniformity to increase successively, every steel
A sampling probe is fixed in the bottom of pipe, and each sampling probe is connected firm with the rubber tube in steel pipe,
The top of every steel pipe is all connected with a PVB pipe, and PVB pipe is connected on sampling box, and sampling box at least wraps
Include six separate memory spaces 11, and each PVB pipe is all individually connected to a memory space 11
On, each memory space is provided with pump orifice 12, and on every PVB pipe, is respectively provided with a valve
9。
The present invention is by arranging the sampling probe of different depth, it is achieved that adopting of different depth soil pore water
Sample, meanwhile, utilizes gravity sinking principle, by first upper water being sampled, after to lower soil water
Carrying out the mode sampled, solve the impact that order is different, the present invention is provided with has multiple different phase
The sampling box of separate space mutually, it is achieved that the collection of different depth sample water and detection, the inventive method letter
Single, easy to use, sampling precision is high.
Although an embodiment of the present invention has been shown and described, for those of ordinary skill in the art
Speech, it is possible to understand that these embodiments can be carried out without departing from the principles and spirit of the present invention
Multiple change, revising, replace and modification, the scope of the present invention is limited by claims and equivalent thereof
Fixed.
Claims (5)
1. a soil pore water method of sampling, it is characterised in that it comprises the following steps:
(1) sampling apparatus prepares and connects and install:
I () chooses the steel pipe that six length the most uniformly increase, sheathed one layer of rubber tube in steel pipe, so
After, one end of every steel pipe is arranged on fixed disk by fixing riveted joint, and ensures six roots of sensation length not
Same steel pipe stretches out the length of fixed disk lower surface and becomes gradient uniformity to increase successively；
(ii) sampling probe is fixed in the bottom at every steel pipe, it is desirable in each sampling probe and steel pipe
Rubber tube be connected firm, afterwards every steel pipe is embedded in the soil of required test, then exists
The top of every steel pipe is all connected with a PVB pipe, and is connected on sampling box by PVB pipe, wherein, adopts
Sample case at least includes six separate memory spaces, and each PVB pipe is all connected with a memory space；
(iii) on every PVB pipe, a valve it is respectively provided with；
(2) sampling of soil pore water:
A () is first turned on the valve on the PVB pipe that is connected with the shortest steel pipe, then, and will be with this PVB
The air pressure that pipe is connected in the memory space of corresponding sampling box is set to negative pressure, to the soil being in the superiors
Earth pore water is sampled, and sample 10-15ml, closes this valve；
Open the valve on the PVB pipe being connected with secondary short steel pipe after (b), then, will be with this PVB
The air pressure that pipe is connected in the memory space of corresponding sampling box is set to negative pressure, to the soil being in time upper strata
Earth pore water is sampled, and sample 10-15ml, closes this valve afterwards；
C () repeats step (a) or (b), in order to adopt the soil water of the probe being in bottom successively
Sample, in order to first upper layer of soil water is sampled, after lower soil water is sampled；
D (), sampling Multifunctional water instrument are the most successively to the different layers stored respectively in sampling box
The secondary soil water carries out detecting and record.
A kind of soil pore water method of sampling the most according to claim 1, it is characterised in that: described
In step (a)-(c) in step (2), by the way of connecting vacuum pump, realize each storage sky
Between be negative pressure.
A kind of soil pore water method of sampling the most according to claim 1, it is characterised in that: described
In step (ii) in step (1), stretch into a length of 15-20cm of steel pipe the shortest in soil, and
The length difference of two steel pipes of adjacent lengths is 12cm.
A kind of soil pore water method of sampling the most according to claim 1, it is characterised in that: described
In step (1), described fixed disk is steel design.
5. according to use in a kind of soil pore water method of sampling described in claim 1-4 any one
Sampling apparatus, it is characterised in that: it includes steel pipe that six length the most uniformly increase, fixed disk, valve
Door and sampling box, wherein, the most sheathed one layer of rubber tube in every steel pipe, and one end of every steel pipe is the most logical
Crossing fixing riveted joint to be arranged on fixed disk, the steel pipe that six roots of sensation length is different stretches out the length of fixed disk lower surface
Degree becomes gradient uniformity to increase successively, and a sampling probe, each sampling probe are fixed in the bottom of every steel pipe
Being connected firm with the rubber tube in steel pipe, the top of every steel pipe is all connected with a PVB pipe, and PVB manages
It is connected on sampling box, and sampling box at least includes six separate memory spaces, and each PVB
Guan Jun is individually connected on a memory space, and each memory space is provided with pump orifice, and often
A valve it is respectively provided with on root PVB pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259802.3A CN105973648A (en) | 2016-04-21 | 2016-04-21 | Soil pore water sampling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259802.3A CN105973648A (en) | 2016-04-21 | 2016-04-21 | Soil pore water sampling method |
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| CN105973648A true CN105973648A (en) | 2016-09-28 |
Family
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| CN201610259802.3A Pending CN105973648A (en) | 2016-04-21 | 2016-04-21 | Soil pore water sampling method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645668A (en) * | 2018-07-09 | 2018-10-12 | 广州海洋地质调查局 | The long-term in-situ sampling of pore water and analytical equipment and its method |
| CN109724842A (en) * | 2019-02-13 | 2019-05-07 | 江苏双双高新科技有限公司 | A kind of quick Qu Ye mechanism, robot |
| CN111397969A (en) * | 2020-04-22 | 2020-07-10 | 南京信息工程大学 | Passive in-situ high-resolution pore water sampling device and sampling method |
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| JP2013104194A (en) * | 2011-11-11 | 2013-05-30 | Shimizu Corp | Original position testing method and original position testing device |
| CN203705207U (en) * | 2013-12-31 | 2014-07-09 | 常州千帆环保科技有限公司 | Soil solution sampling device |
| CN104458339A (en) * | 2014-11-07 | 2015-03-25 | 中国科学院东北地理与农业生态研究所 | Fixed depth pore water monitoring sampler and sampling method |
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| CN2478104Y (en) * | 2001-05-15 | 2002-02-20 | 中国科学院南京土壤研究所 | Soil gap water analyzer |
| US20110242530A1 (en) * | 2007-11-09 | 2011-10-06 | The Regents Of The University Of California | In-situ soil nitrate ion concentration sensor |
| JP2010048029A (en) * | 2008-08-25 | 2010-03-04 | Machine Service:Kk | Improved ground testing method and unsolidified sample collector |
| CN201555741U (en) * | 2009-12-18 | 2010-08-18 | 宁夏农林科学院 | Soil leakage solution extraction device |
| JP2013104194A (en) * | 2011-11-11 | 2013-05-30 | Shimizu Corp | Original position testing method and original position testing device |
| CN202533269U (en) * | 2012-03-05 | 2012-11-14 | 华中农业大学 | Potting soil column device suitable for researching soil and soil solution |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645668A (en) * | 2018-07-09 | 2018-10-12 | 广州海洋地质调查局 | The long-term in-situ sampling of pore water and analytical equipment and its method |
| CN109724842A (en) * | 2019-02-13 | 2019-05-07 | 江苏双双高新科技有限公司 | A kind of quick Qu Ye mechanism, robot |
| CN109724842B (en) * | 2019-02-13 | 2021-06-01 | 江苏双双高新科技有限公司 | Robot gets liquid mechanism fast |
| CN111397969A (en) * | 2020-04-22 | 2020-07-10 | 南京信息工程大学 | Passive in-situ high-resolution pore water sampling device and sampling method |
| CN111397969B (en) * | 2020-04-22 | 2022-03-08 | 南京信息工程大学 | Passive in-situ high-resolution pore water sampling device and sampling method |
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