CN206906300U - Device for detecting water and soil pollution degree - Google Patents
Device for detecting water and soil pollution degree Download PDFInfo
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- CN206906300U CN206906300U CN201720245740.0U CN201720245740U CN206906300U CN 206906300 U CN206906300 U CN 206906300U CN 201720245740 U CN201720245740 U CN 201720245740U CN 206906300 U CN206906300 U CN 206906300U
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- microelectrode
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Abstract
The utility model relates to a detect device of soil and water pollution degree, the device include the feeler hydraulic system, set up at the microelectrode on feeler hydraulic system top, be used for the battery that the microelectrode provided the power and be used for collecting the record appearance of microelectrode signal, the method includes following several steps: (1) measuring the resistivity of a clean stratum near the stratum to be measured; (2) pressing the microelectrode into a soil layer to be detected through a penetration hydraulic system, and measuring the descending displacement and soil layer resistivity of the microelectrode in real time through a recorder; (3) and drawing a corresponding relation curve of the soil layer depth and the soil layer resistivity, comparing the soil layer resistivity with the resistivity of a clean soil layer, and determining the pollution tendency and the pollution degree of the soil layer in a shaping manner. Compared with the prior art, the utility model has the characteristics of efficient, with low costs, can guide drilling sample depth, sampling position, reduce invalid drilling sample, the sampling point is more pointed, improves soil and water pollution investigation work achievement.
Description
Technical field
It the utility model is related to water and soil pollution technique for investigation field, and in particular to a kind of dress for detecting water and soil pollution degree
Put.
Background technology
In order to prevent and treat water and soil pollution, State Council promulgates within 2015《Water prevention and cure of pollution action plan》(promulgated by the State Council [2015] 17
Number, i.e. " ten, water "), 2016 State Council promulgate《Soil Pollution Control action plan》(promulgated by the State Council [2016] 31, i.e. " soil ten
Bar "), be country to earth's surface and the regulation file of underground water and soil prevention and cure of pollution.Earth's surface water and soil pollution is easy to find and detected, and prevents
Control and relatively descend water and soil to be relatively easy to；But underground water and soil pollution is due to disguised, diffusivity and with spies such as chronicity, complexity
Point, it is always the difficult point of preventing and treating；Required for this " ten, soil ", " soil environment quality investigation is carried out in a deep going way, with farming land and emphasis
Industry and enterprise land used is attached most importance to, and carries out soil pollution situation detailed survey, and the area of farming land soil pollution will be found out before the end of the year 2018, is divided
Cloth and its influence to agricultural product quality；The distribution of pollution plot and its ring in key industry enterprise land used are grasped before the year two thousand twenty bottom
Border risk situation.Soil environment quality situation periodic investigation system is established, is carried out once within every ten years." therefore, soil environment quality
The task of investigation is very urgent and arduous.
Usual soil pollution environmental survey is in workspace, arranges and drills according to a determining deviation, water and soil is extracted in hole
Sample carries out laboratory assay, analysis pollutant kind, content and its depth.This method has the following disadvantages：(1) due to water
Native pollution depth fails to understand that depth selection is difficult to control；Increase unnecessary research cost, depth selection when depth selection is big
Hour depth of investigation is inadequate；(2) drill hole sampling is sampled by certain depth spacing, due to the chemical analysis Cost Problems of sample, institute
Typically will not be very high with sampling density, the sampled point for often leading to pollute peak value is easily omitted, and is polluted survey data and is forbidden
Really；(3) drill hole sampling, chemical analysis cost are high, time cycle length.
Utility model content
The purpose of this utility model be exactly in order to provided the defects of overcoming above-mentioned prior art to exist a kind of efficiency high, into
This is low, the device of the continuous detection water and soil pollution degree of sampling.
The purpose of this utility model can be achieved through the following technical solutions：A kind of dress for detecting water and soil pollution degree
Put, the device includes hydraulic system, is arranged on the microelectrode on hydraulic system top, the electric power storage for providing power supply for microelectrode
Microelectrode can be pressed into stratum by pond and the recorder for collecting microelectrode signal, the hydraulic system.The utility model
Device be different from the prior art, take out the soil layer of different depth, take laboratory to and analyzed, but pass through hydraulic system
Microelectrode is pressed directly into soil layer, can be eliminated the step of fetching earth layer sample with METHOD FOR CONTINUOUS DETERMINATION resistivity, substantially reduced survey
The time is tried, has saved testing cost.
Described hydraulic system includes setting the hydraulic press of anchoring and anchor connection on the ground and connected with hydraulic press
The drill bit connect, the microelectrode are arranged on the top of drill bit.Hydraulic system is the common equipment in engineering investigation, passes through the system
Counter-force is provided under the anchorage effect of ground, resistivity measurement microelectrode is uniformly pressed into stratum.
The middle part of the drill bit is in hollow structure, for connecting the wire of microelectrode and battery and for connecting micro- electricity
The wire of pole and recorder is arranged at the inside of drill bit, can so avoid the wire during probing from being ground away by soil layer,
Ensure the permanent use of experimental provision.
The top of the drill bit is provided with displacement transducer, and institute's displacement sensors are connected by wire with the recorder.
Described microelectrode includes current electrode and the measuring electrode being vertically arranged, and the current electrode connects with battery
Connect, measuring electrode is connected with recorder, and the distance between two electrodes are 0.03~0.08m.
A kind of method for carrying out detecting water and soil pollution degree using device as described above, including following steps：
(1) resistivity on clean stratum near stratum to be measured is determined；
(2) microelectrode is pressed into soil layer to be measured by hydraulic system, passes through the decline of recorder the real time measure microelectrode
Displacement and soil layer resistivity；
(3) the corresponding relation curve of soil depth and soil layer resistivity is drawn, and by soil layer resistivity and clean soil layer
Resistivity is compared, and sizing judges the pollution tendencies and pollution level of soil layer.
According to the resistivity curve of change in depth, dividing stratum water and soil pollution scope and pollution level, its principle is：Pollution
When thing leaks, spread from leakage point to surrounding, water-bearing layer is entered by aeration zone.When leakage rate is smaller, pollutant diffusion office
It is limited in soil and aeration zone, pollutant is based on vertical migration；When leakage rate is larger or the duration is longer, pollutant enters
Water-bearing layer, spread in liquid form by the seepage flow of underground water, based on lateral migration.To inorganic pollution (such as chromium, lead,
The heavy metals such as manganese), the resistivity after water and soil pollution can step-down；And to organic pollution (such as organophosphor, oily pollution etc.), water and soil
Resistivity after pollution can uprise；The amplitude of variation of resistivity is proportionate with pollution concentration.Therefore, according to the amplitude of resistivity
Pollutant scope and pollution level can be divided.By dividing water and soil pollution scope and degree, bore position, depth are arranged,
Resistivity amplitude abnormity point collection sample carries out chemical analysis, can accomplish to shoot the arrow at the target, play a multiplier role.
Compared with prior art, the beneficial effects of the utility model are embodied in following several respects：
(1) microelectrode is directly pressed into by soil layer to be measured by hydraulic system, soil depth to be measured and resistivity can be obtained
Variation tendency, so as to qualitatively judge the pollution level of soil layer, provided safeguard for subsequent analysis；
(2) device of the present utility model need not take out soil sample and measure resistivity to laboratory, thus the testing time it is short,
Efficiency high；
(3) device of the present utility model has only used the hydraulic system commonly used in engineering exploration, you can effectively measures soil layer
Pollution condition, testing cost are low.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the step block diagram of the utility model method of testing；
Fig. 3 is the corresponding relation curve of resistivity and soil depth in embodiment 1.
Wherein, 1 is anchoring, and 2 be hydraulic press, and 3 be drill bit, and 4 be battery, and 5 be recorder, and 6 be current electrode, and 7 be survey
Electrode is measured, 8 be displacement transducer.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Embodiment 1
A kind of device for detecting water and soil pollution degree, its structure is as shown in figure 1, including hydraulic system, be arranged on hydraulic pressure system
Microelectrode, the battery 4 for providing power supply for microelectrode and the recorder 5 for collecting microelectrode signal on system top,
Microelectrode can be pressed into stratum by hydraulic system.Wherein, hydraulic system includes setting anchoring 1 on the ground, is connected with anchoring 1
Hydraulic press 2 and the drill bit 3 that is connected with hydraulic press 2, microelectrode be arranged on the top of drill bit 3.The middle part of drill bit 3 is in hollow knot
Structure, wire and the wire for connecting microelectrode and recorder 5 for connecting microelectrode and battery 4 are arranged at drill bit
3 inside, it can so avoid the wire during probing from being ground away by soil layer, ensure the permanent use of experimental provision.Drill bit 3
Top be provided with displacement transducer 8, and displacement transducer 8 is connected by wire with the recorder 5, and microelectrode includes power supply electricity
Pole 6 and measuring electrode 7, wherein, current electrode 6 is connected with battery 4, and measuring electrode 7 is connected with recorder 5, the He of measuring electrode 7
The distance between current electrode 6 is 0.05m.
A kind of said apparatus carries out the method for detecting water and soil pollution degree, and its step block diagram is as shown in Fig. 2 including following several
Individual step：
(1) resistivity on clean stratum near stratum to be measured is determined；
(2) by the device number of building, by anchoring fixed hydraulic system by hydraulic system, by microelectrode and battery and note
Instrument connection is recorded, microelectrode is uniformly pressed into soil layer to be measured by hydraulic system, by under recorder the real time measure microelectrode
Decrease is moved and soil layer resistivity；
(3) the corresponding relation curve of soil depth and soil layer resistivity is drawn, and by soil layer resistivity and clean soil layer
Resistivity is compared, and sizing judges the pollution tendencies and pollution level of soil layer, divides the scope of water and soil pollution；
(4) measurement result is used to instruct drilling arrangement and sampling depth.
The soil depth and the corresponding relation curve of soil layer resistivity finally given is as shown in figure 3, as can be seen from the figure：
Aeration zone is higher without water resistance rate；Water-bearing interval below aeration zone, due to underground water containing mineral matter its resistivity relatively
It is low, uncontaminated area's water and soil resistivity changes with depth curve and contaminated area water and soil resistivity changes with depth curve as shown in figure 3,
Region is oily pollution, abnormal in high resistant, and the wherein resistivity of serious pollution band is apparently higher than normal band, depth 3.8m~5.8m；
The resistivity of slight pollution band is higher than normal band, depth 5.8m~7.4m, and the resistivity base of the following uncontaminated zones of depth 7.4m
This does not have difference；According to record, the sandy soil content of serious pollution band is higher, and its water penetration is strong, and oiliness organic matter passes through
Underground water is transmitted in stratum, is enriched with soil layer；From resistivity curve, also reflect the range of scatter of Pollution Plume.
Claims (5)
1. a kind of device for detecting water and soil pollution degree, it is characterised in that the device includes hydraulic system, is arranged on hydraulic system
The microelectrode on top, the battery for providing power supply for microelectrode and the recorder for collecting microelectrode signal, it is described
Microelectrode can be pressed into stratum by hydraulic system.
A kind of 2. device for detecting water and soil pollution degree according to claim 1, it is characterised in that described hydraulic system
Including setting anchoring on the ground, being set with the hydraulic press of anchor connection and the drill bit being connected with hydraulic press, the microelectrode
Put on the top of drill bit.
A kind of 3. device for detecting water and soil pollution degree according to claim 2, it is characterised in that the middle part of the drill bit
In hollow structure, wire and the wire for connecting microelectrode and recorder for connecting microelectrode and battery are respectively provided with
In the inside of drill bit.
A kind of 4. device for detecting water and soil pollution degree according to claim 2, it is characterised in that the top of the drill bit
Provided with displacement transducer, institute's displacement sensors are connected by wire with the recorder.
A kind of 5. device for detecting water and soil pollution degree according to claim 1, it is characterised in that described microelectrode bag
The current electrode being vertically arranged and measuring electrode are included, the current electrode is connected with battery, and measuring electrode is connected with recorder,
The distance between two electrodes are 0.03~0.08m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245740.0U CN206906300U (en) | 2017-03-14 | 2017-03-14 | Device for detecting water and soil pollution degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245740.0U CN206906300U (en) | 2017-03-14 | 2017-03-14 | Device for detecting water and soil pollution degree |
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| Publication Number | Publication Date |
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| CN206906300U true CN206906300U (en) | 2018-01-19 |
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ID=61294736
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720245740.0U Active CN206906300U (en) | 2017-03-14 | 2017-03-14 | Device for detecting water and soil pollution degree |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841322A (en) * | 2017-03-14 | 2017-06-13 | 上海市地矿工程勘察院 | Device and method for detecting water and soil pollution degree |
| CN108627552A (en) * | 2018-05-10 | 2018-10-09 | 中国能源建设集团广东省电力设计研究院有限公司 | Environment measuring electrode, system and method |
| CN112505104A (en) * | 2020-12-15 | 2021-03-16 | 重庆商勤科技有限公司 | Resistance and polarization-based soil pollution analysis method and device and storage medium |
-
2017
- 2017-03-14 CN CN201720245740.0U patent/CN206906300U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841322A (en) * | 2017-03-14 | 2017-06-13 | 上海市地矿工程勘察院 | Device and method for detecting water and soil pollution degree |
| CN108627552A (en) * | 2018-05-10 | 2018-10-09 | 中国能源建设集团广东省电力设计研究院有限公司 | Environment measuring electrode, system and method |
| CN112505104A (en) * | 2020-12-15 | 2021-03-16 | 重庆商勤科技有限公司 | Resistance and polarization-based soil pollution analysis method and device and storage medium |
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Address after: 200072 No. 930, Lingshi Road, Shanghai, Zhabei District Patentee after: SHANGHAI INSTITUTE OF GEOLOGICAL ENGINEERING EXPLORATION Patentee after: Shanghai Geotechnical Engineering Testing Center Co.,Ltd. Address before: 200072 No. 930, Lingshi Road, Shanghai, Zhabei District Patentee before: SHANGHAI INSTITUTE OF GEOLOGICAL ENGINEERING EXPLORATION Patentee before: SHANGHAI GEOTECHNICAL ENGINEERING DETECTING CENTER |
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